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annotate src/video/SDL_blit_N.c @ 1232:0aa0000081d5

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Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov. Fixes Bugzilla #11.
author Ryan C. Gordon <icculus@icculus.org>
date Thu, 05 Jan 2006 16:40:51 +0000
parents f033d9589ca1
children c9b51268668f
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2004 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 #include <stdio.h>
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29
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30 #include "SDL_types.h"
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31 #include "SDL_video.h"
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32 #include "SDL_blit.h"
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33 #include "SDL_byteorder.h"
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34 #include "SDL_cpuinfo.h"
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35
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36 /* Functions to blit from N-bit surfaces to other surfaces */
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37
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38 #ifdef USE_ALTIVEC_BLITTERS
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39 #ifdef HAVE_ALTIVEC_H
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40 #include <altivec.h>
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41 #endif
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42 #include <assert.h>
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43 #include <stdlib.h>
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44 #ifdef MACOSX
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45 #include <sys/sysctl.h>
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46 static size_t GetL3CacheSize( void )
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47 {
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48 const char key[] = "hw.l3cachesize";
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49 u_int64_t result = 0;
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50 size_t typeSize = sizeof( result );
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51
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52
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53 int err = sysctlbyname( key, &result, &typeSize, NULL, 0 );
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54 if( 0 != err ) return 0;
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55
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56 return result;
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57 }
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58 #else
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59 static size_t GetL3CacheSize( void )
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60 {
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61 /* XXX: Just guess G4 */
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62 return 2097152;
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63 }
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64 #endif /* MACOSX */
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65
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66 #if ((defined MACOSX) && (__GNUC__ < 4))
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67 #define VECUINT8_LITERAL(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) \
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68 (vector unsigned char) ( a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p )
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69 #define VECUINT16_LITERAL(a,b,c,d,e,f,g,h) \
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70 (vector unsigned short) ( a,b,c,d,e,f,g,h )
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71 #else
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72 #define VECUINT8_LITERAL(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) \
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73 (vector unsigned char) { a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p }
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74 #define VECUINT16_LITERAL(a,b,c,d,e,f,g,h) \
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75 (vector unsigned short) { a,b,c,d,e,f,g,h }
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76 #endif
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77
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78 #define UNALIGNED_PTR(x) (((size_t) x) & 0x0000000F)
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79 #define VSWIZZLE32(a,b,c,d) (vector unsigned char) \
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80 ( 0x00+a, 0x00+b, 0x00+c, 0x00+d, \
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81 0x04+a, 0x04+b, 0x04+c, 0x04+d, \
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82 0x08+a, 0x08+b, 0x08+c, 0x08+d, \
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83 0x0C+a, 0x0C+b, 0x0C+c, 0x0C+d )
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84
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85 #define MAKE8888(dstfmt, r, g, b, a) \
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86 ( ((r<<dstfmt->Rshift)&dstfmt->Rmask) | \
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87 ((g<<dstfmt->Gshift)&dstfmt->Gmask) | \
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88 ((b<<dstfmt->Bshift)&dstfmt->Bmask) | \
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89 ((a<<dstfmt->Ashift)&dstfmt->Amask) )
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90
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91 /*
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92 * Data Stream Touch...Altivec cache prefetching.
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93 *
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94 * Don't use this on a G5...however, the speed boost is very significant
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95 * on a G4.
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96 */
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97 #define DST_CHAN_SRC 1
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98 #define DST_CHAN_DEST 2
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99
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100 /* macro to set DST control word value... */
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101 #define DST_CTRL(size, count, stride) \
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102 (((size) << 24) | ((count) << 16) | (stride))
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103
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104 #define VEC_ALIGNER(src) ((UNALIGNED_PTR(src)) \
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105 ? vec_lvsl(0, src) \
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106 : vec_add(vec_lvsl(8, src), vec_splat_u8(8)))
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107
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108 /* Calculate the permute vector used for 32->32 swizzling */
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109 static vector unsigned char calc_swizzle32(const SDL_PixelFormat *srcfmt,
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110 const SDL_PixelFormat *dstfmt)
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111 {
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112 /*
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113 * We have to assume that the bits that aren't used by other
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114 * colors is alpha, and it's one complete byte, since some formats
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115 * leave alpha with a zero mask, but we should still swizzle the bits.
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116 */
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117 /* ARGB */
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118 const static struct SDL_PixelFormat default_pixel_format = {
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119 NULL, 0, 0,
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120 0, 0, 0, 0,
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121 16, 8, 0, 24,
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122 0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000,
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123 0, 0};
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124 if (!srcfmt) {
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125 srcfmt = &default_pixel_format;
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126 }
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127 if (!dstfmt) {
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128 dstfmt = &default_pixel_format;
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129 }
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130 vector unsigned char plus = VECUINT8_LITERAL(
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131 0x00, 0x00, 0x00, 0x00,
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132 0x04, 0x04, 0x04, 0x04,
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133 0x08, 0x08, 0x08, 0x08,
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134 0x0C, 0x0C, 0x0C, 0x0C );
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135 vector unsigned char vswiz;
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136 vector unsigned int srcvec;
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137 #define RESHIFT(X) (3 - ((X) >> 3))
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138 Uint32 rmask = RESHIFT(srcfmt->Rshift) << (dstfmt->Rshift);
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139 Uint32 gmask = RESHIFT(srcfmt->Gshift) << (dstfmt->Gshift);
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140 Uint32 bmask = RESHIFT(srcfmt->Bshift) << (dstfmt->Bshift);
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141 Uint32 amask;
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diff changeset
142 /* Use zero for alpha if either surface doesn't have alpha */
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diff changeset
143 if (dstfmt->Amask) {
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144 amask = ((srcfmt->Amask) ? RESHIFT(srcfmt->Ashift) : 0x10) << (dstfmt->Ashift);
ffaaf7ecf685 Altivec-optimized blitters!
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145 } else {
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146 amask = 0x10101010 & ((dstfmt->Rmask | dstfmt->Gmask | dstfmt->Bmask) ^ 0xFFFFFFFF);
ffaaf7ecf685 Altivec-optimized blitters!
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147 }
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
148 #undef RESHIFT
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149 ((unsigned int *)(char*)&srcvec)[0] = (rmask | gmask | bmask | amask);
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diff changeset
150 vswiz = vec_add(plus, (vector unsigned char)vec_splat(srcvec, 0));
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
151 return(vswiz);
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152 }
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153
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diff changeset
154 static void Blit_RGB888_RGB565(SDL_BlitInfo *info);
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155 static void Blit_RGB888_RGB565Altivec(SDL_BlitInfo *info) {
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156 int height = info->d_height;
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157 Uint8 *src = (Uint8 *) info->s_pixels;
ffaaf7ecf685 Altivec-optimized blitters!
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158 int srcskip = info->s_skip;
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159 Uint8 *dst = (Uint8 *) info->d_pixels;
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160 int dstskip = info->d_skip;
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161 SDL_PixelFormat *srcfmt = info->src;
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
162 vector unsigned char valpha = vec_splat_u8(0);
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
163 vector unsigned char vpermute = calc_swizzle32(srcfmt, NULL);
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164 vector unsigned char vgmerge = VECUINT8_LITERAL(
1047
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diff changeset
165 0x00, 0x02, 0x00, 0x06,
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
166 0x00, 0x0a, 0x00, 0x0e,
ffaaf7ecf685 Altivec-optimized blitters!
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167 0x00, 0x12, 0x00, 0x16,
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168 0x00, 0x1a, 0x00, 0x1e);
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diff changeset
169 vector unsigned short v1 = vec_splat_u16(1);
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diff changeset
170 vector unsigned short v3 = vec_splat_u16(3);
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171 vector unsigned short v3f = VECUINT16_LITERAL(
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172 0x003f, 0x003f, 0x003f, 0x003f,
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173 0x003f, 0x003f, 0x003f, 0x003f);
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174 vector unsigned short vfc = VECUINT16_LITERAL(
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175 0x00fc, 0x00fc, 0x00fc, 0x00fc,
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176 0x00fc, 0x00fc, 0x00fc, 0x00fc);
ffaaf7ecf685 Altivec-optimized blitters!
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177 vector unsigned short vf800 = (vector unsigned short)vec_splat_u8(-7);
ffaaf7ecf685 Altivec-optimized blitters!
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178 vf800 = vec_sl(vf800, vec_splat_u16(8));
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179
ffaaf7ecf685 Altivec-optimized blitters!
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180 while (height--) {
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181 vector unsigned char valigner;
ffaaf7ecf685 Altivec-optimized blitters!
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182 vector unsigned char voverflow;
ffaaf7ecf685 Altivec-optimized blitters!
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183 vector unsigned char vsrc;
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184
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
185 int width = info->d_width;
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186 int extrawidth;
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187
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diff changeset
188 /* do scalar until we can align... */
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diff changeset
189 #define ONE_PIXEL_BLEND(condition, widthvar) \
ffaaf7ecf685 Altivec-optimized blitters!
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190 while (condition) { \
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191 Uint32 Pixel; \
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diff changeset
192 unsigned sR, sG, sB, sA; \
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193 DISEMBLE_RGBA((Uint8 *)src, 4, srcfmt, Pixel, \
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194 sR, sG, sB, sA); \
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195 *(Uint16 *)(dst) = (((sR << 8) & 0x0000F800) | \
ffaaf7ecf685 Altivec-optimized blitters!
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196 ((sG << 3) & 0x000007E0) | \
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197 ((sB >> 3) & 0x0000001F)); \
ffaaf7ecf685 Altivec-optimized blitters!
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198 dst += 2; \
ffaaf7ecf685 Altivec-optimized blitters!
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199 src += 4; \
ffaaf7ecf685 Altivec-optimized blitters!
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200 widthvar--; \
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201 }
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202
ffaaf7ecf685 Altivec-optimized blitters!
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203 ONE_PIXEL_BLEND(((UNALIGNED_PTR(dst)) && (width)), width);
ffaaf7ecf685 Altivec-optimized blitters!
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204
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
205 /* After all that work, here's the vector part! */
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
206 extrawidth = (width % 8); /* trailing unaligned stores */
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
207 width -= extrawidth;
ffaaf7ecf685 Altivec-optimized blitters!
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208 vsrc = vec_ld(0, src);
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
209 valigner = VEC_ALIGNER(src);
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diff changeset
210
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diff changeset
211 while (width) {
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diff changeset
212 vector unsigned short vpixel, vrpixel, vgpixel, vbpixel;
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
213 vector unsigned int vsrc1, vsrc2;
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
214 vector unsigned char vdst;
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215
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
216 voverflow = vec_ld(15, src);
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
217 vsrc = vec_perm(vsrc, voverflow, valigner);
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
218 vsrc1 = (vector unsigned int)vec_perm(vsrc, valpha, vpermute);
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
219 src += 16;
ffaaf7ecf685 Altivec-optimized blitters!
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220 vsrc = voverflow;
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
221 voverflow = vec_ld(15, src);
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
222 vsrc = vec_perm(vsrc, voverflow, valigner);
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
223 vsrc2 = (vector unsigned int)vec_perm(vsrc, valpha, vpermute);
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
224 /* 1555 */
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
225 vpixel = (vector unsigned short)vec_packpx(vsrc1, vsrc2);
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
226 vgpixel = (vector unsigned short)vec_perm(vsrc1, vsrc2, vgmerge);
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diff changeset
227 vgpixel = vec_and(vgpixel, vfc);
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
228 vgpixel = vec_sl(vgpixel, v3);
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
229 vrpixel = vec_sl(vpixel, v1);
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
230 vrpixel = vec_and(vrpixel, vf800);
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
231 vbpixel = vec_and(vpixel, v3f);
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
232 vdst = vec_or((vector unsigned char)vrpixel, (vector unsigned char)vgpixel);
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
233 /* 565 */
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
234 vdst = vec_or(vdst, (vector unsigned char)vbpixel);
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diff changeset
235 vec_st(vdst, 0, dst);
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
236
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
237 width -= 8;
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
238 src += 16;
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
239 dst += 16;
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
240 vsrc = voverflow;
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diff changeset
241 }
ffaaf7ecf685 Altivec-optimized blitters!
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242
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
243 assert(width == 0);
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244
ffaaf7ecf685 Altivec-optimized blitters!
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245
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
246 /* do scalar until we can align... */
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diff changeset
247 ONE_PIXEL_BLEND((extrawidth), extrawidth);
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diff changeset
248 #undef ONE_PIXEL_BLEND
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249
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250 src += srcskip; /* move to next row, accounting for pitch. */
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diff changeset
251 dst += dstskip;
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diff changeset
252 }
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253
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254
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255 }
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
256
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
257 static void Blit_RGB565_32Altivec(SDL_BlitInfo *info) {
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258 int height = info->d_height;
ffaaf7ecf685 Altivec-optimized blitters!
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259 Uint8 *src = (Uint8 *) info->s_pixels;
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260 int srcskip = info->s_skip;
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diff changeset
261 Uint8 *dst = (Uint8 *) info->d_pixels;
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262 int dstskip = info->d_skip;
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
263 SDL_PixelFormat *srcfmt = info->src;
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
264 SDL_PixelFormat *dstfmt = info->dst;
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
265 unsigned alpha;
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
266 vector unsigned char valpha;
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
267 vector unsigned char vpermute;
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
268 vector unsigned short vf800;
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
269 vector unsigned int v8 = vec_splat_u32(8);
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
270 vector unsigned int v16 = vec_add(v8, v8);
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
271 vector unsigned short v2 = vec_splat_u16(2);
ffaaf7ecf685 Altivec-optimized blitters!
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272 vector unsigned short v3 = vec_splat_u16(3);
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diff changeset
273 /*
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diff changeset
274 0x10 - 0x1f is the alpha
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
275 0x00 - 0x0e evens are the red
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diff changeset
276 0x01 - 0x0f odds are zero
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277 */
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278 vector unsigned char vredalpha1 = VECUINT8_LITERAL(
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diff changeset
279 0x10, 0x00, 0x01, 0x01,
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
280 0x10, 0x02, 0x01, 0x01,
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
281 0x10, 0x04, 0x01, 0x01,
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
282 0x10, 0x06, 0x01, 0x01
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diff changeset
283 );
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284 vector unsigned char vredalpha2 = (vector unsigned char) (
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diff changeset
285 vec_add((vector unsigned int)vredalpha1, vec_sl(v8, v16))
ffaaf7ecf685 Altivec-optimized blitters!
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286 );
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
287 /*
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
288 0x00 - 0x0f is ARxx ARxx ARxx ARxx
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
289 0x11 - 0x0f odds are blue
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diff changeset
290 */
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diff changeset
291 vector unsigned char vblue1 = VECUINT8_LITERAL(
1047
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diff changeset
292 0x00, 0x01, 0x02, 0x11,
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
293 0x04, 0x05, 0x06, 0x13,
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
294 0x08, 0x09, 0x0a, 0x15,
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
295 0x0c, 0x0d, 0x0e, 0x17
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296 );
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
297 vector unsigned char vblue2 = (vector unsigned char)(
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
298 vec_add((vector unsigned int)vblue1, v8)
ffaaf7ecf685 Altivec-optimized blitters!
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299 );
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
300 /*
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
301 0x00 - 0x0f is ARxB ARxB ARxB ARxB
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
302 0x10 - 0x0e evens are green
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
303 */
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304 vector unsigned char vgreen1 = VECUINT8_LITERAL(
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305 0x00, 0x01, 0x10, 0x03,
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
306 0x04, 0x05, 0x12, 0x07,
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
307 0x08, 0x09, 0x14, 0x0b,
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
308 0x0c, 0x0d, 0x16, 0x0f
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diff changeset
309 );
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
310 vector unsigned char vgreen2 = (vector unsigned char)(
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
311 vec_add((vector unsigned int)vgreen1, vec_sl(v8, v8))
ffaaf7ecf685 Altivec-optimized blitters!
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312 );
ffaaf7ecf685 Altivec-optimized blitters!
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313
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314
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
315 assert(srcfmt->BytesPerPixel == 2);
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
316 assert(dstfmt->BytesPerPixel == 4);
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317
ffaaf7ecf685 Altivec-optimized blitters!
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318 vf800 = (vector unsigned short)vec_splat_u8(-7);
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
319 vf800 = vec_sl(vf800, vec_splat_u16(8));
ffaaf7ecf685 Altivec-optimized blitters!
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320
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
321 if (dstfmt->Amask && srcfmt->alpha) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
322 ((unsigned char *)&valpha)[0] = alpha = srcfmt->alpha;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
323 valpha = vec_splat(valpha, 0);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
324 } else {
ffaaf7ecf685 Altivec-optimized blitters!
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325 alpha = 0;
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
326 valpha = vec_splat_u8(0);
ffaaf7ecf685 Altivec-optimized blitters!
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327 }
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
328
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
329 vpermute = calc_swizzle32(NULL, dstfmt);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
330 while (height--) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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331 vector unsigned char valigner;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
332 vector unsigned char voverflow;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
333 vector unsigned char vsrc;
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
334
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
335 int width = info->d_width;
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
336 int extrawidth;
ffaaf7ecf685 Altivec-optimized blitters!
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337
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
338 /* do scalar until we can align... */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
339 #define ONE_PIXEL_BLEND(condition, widthvar) \
ffaaf7ecf685 Altivec-optimized blitters!
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340 while (condition) { \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
341 unsigned sR, sG, sB; \
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342 unsigned short Pixel = *((unsigned short *)src); \
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343 sR = (Pixel >> 8) & 0xf8; \
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344 sG = (Pixel >> 3) & 0xfc; \
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345 sB = (Pixel << 3) & 0xf8; \
1047
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diff changeset
346 ASSEMBLE_RGBA(dst, 4, dstfmt, sR, sG, sB, alpha); \
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
347 src += 2; \
ffaaf7ecf685 Altivec-optimized blitters!
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348 dst += 4; \
ffaaf7ecf685 Altivec-optimized blitters!
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349 widthvar--; \
ffaaf7ecf685 Altivec-optimized blitters!
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350 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
351 ONE_PIXEL_BLEND(((UNALIGNED_PTR(dst)) && (width)), width);
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
352
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
353 /* After all that work, here's the vector part! */
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
354 extrawidth = (width % 8); /* trailing unaligned stores */
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
355 width -= extrawidth;
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
356 vsrc = vec_ld(0, src);
ffaaf7ecf685 Altivec-optimized blitters!
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357 valigner = VEC_ALIGNER(src);
ffaaf7ecf685 Altivec-optimized blitters!
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358
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
359 while (width) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
360 vector unsigned short vR, vG, vB;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
361 vector unsigned char vdst1, vdst2;
ffaaf7ecf685 Altivec-optimized blitters!
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362
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
363 voverflow = vec_ld(15, src);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
364 vsrc = vec_perm(vsrc, voverflow, valigner);
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
365
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
366 vR = vec_and((vector unsigned short)vsrc, vf800);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
367 vB = vec_sl((vector unsigned short)vsrc, v3);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
368 vG = vec_sl(vB, v2);
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
369
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
370 vdst1 = (vector unsigned char)vec_perm((vector unsigned char)vR, valpha, vredalpha1);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
371 vdst1 = vec_perm(vdst1, (vector unsigned char)vB, vblue1);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
372 vdst1 = vec_perm(vdst1, (vector unsigned char)vG, vgreen1);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
373 vdst1 = vec_perm(vdst1, valpha, vpermute);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
374 vec_st(vdst1, 0, dst);
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
375
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
376 vdst2 = (vector unsigned char)vec_perm((vector unsigned char)vR, valpha, vredalpha2);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
377 vdst2 = vec_perm(vdst2, (vector unsigned char)vB, vblue2);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
378 vdst2 = vec_perm(vdst2, (vector unsigned char)vG, vgreen2);
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
379 vdst2 = vec_perm(vdst2, valpha, vpermute);
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
380 vec_st(vdst2, 16, dst);
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
381
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
382 width -= 8;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
383 dst += 32;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
384 src += 16;
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
385 vsrc = voverflow;
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
386 }
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
387
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
388 assert(width == 0);
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
389
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
390
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
391 /* do scalar until we can align... */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
392 ONE_PIXEL_BLEND((extrawidth), extrawidth);
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
393 #undef ONE_PIXEL_BLEND
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
394
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
395 src += srcskip; /* move to next row, accounting for pitch. */
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
396 dst += dstskip;
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
397 }
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
398
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
399 }
ffaaf7ecf685 Altivec-optimized blitters!
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diff changeset
400
1139
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
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diff changeset
401
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
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diff changeset
402 static void Blit_RGB555_32Altivec(SDL_BlitInfo *info) {
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
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diff changeset
403 int height = info->d_height;
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
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diff changeset
404 Uint8 *src = (Uint8 *) info->s_pixels;
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
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diff changeset
405 int srcskip = info->s_skip;
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
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diff changeset
406 Uint8 *dst = (Uint8 *) info->d_pixels;
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
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diff changeset
407 int dstskip = info->d_skip;
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
408 SDL_PixelFormat *srcfmt = info->src;
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
409 SDL_PixelFormat *dstfmt = info->dst;
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
410 unsigned alpha;
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
411 vector unsigned char valpha;
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
412 vector unsigned char vpermute;
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
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parents: 1053
diff changeset
413 vector unsigned short vf800;
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
414 vector unsigned int v8 = vec_splat_u32(8);
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
415 vector unsigned int v16 = vec_add(v8, v8);
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
416 vector unsigned short v1 = vec_splat_u16(1);
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
417 vector unsigned short v3 = vec_splat_u16(3);
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
418 /*
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
419 0x10 - 0x1f is the alpha
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
420 0x00 - 0x0e evens are the red
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
421 0x01 - 0x0f odds are zero
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
422 */
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
423 vector unsigned char vredalpha1 = VECUINT8_LITERAL(
1139
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
424 0x10, 0x00, 0x01, 0x01,
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
425 0x10, 0x02, 0x01, 0x01,
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
426 0x10, 0x04, 0x01, 0x01,
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
427 0x10, 0x06, 0x01, 0x01
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
428 );
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
429 vector unsigned char vredalpha2 = (vector unsigned char)(
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
430 vec_add((vector unsigned int)vredalpha1, vec_sl(v8, v16))
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
431 );
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
432 /*
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
433 0x00 - 0x0f is ARxx ARxx ARxx ARxx
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
434 0x11 - 0x0f odds are blue
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
435 */
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
436 vector unsigned char vblue1 = VECUINT8_LITERAL(
1139
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
437 0x00, 0x01, 0x02, 0x11,
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
438 0x04, 0x05, 0x06, 0x13,
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
439 0x08, 0x09, 0x0a, 0x15,
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
440 0x0c, 0x0d, 0x0e, 0x17
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
441 );
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
442 vector unsigned char vblue2 = (vector unsigned char)(
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
443 vec_add((vector unsigned int)vblue1, v8)
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
444 );
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
445 /*
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
446 0x00 - 0x0f is ARxB ARxB ARxB ARxB
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
447 0x10 - 0x0e evens are green
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
448 */
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
449 vector unsigned char vgreen1 = VECUINT8_LITERAL(
1139
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
450 0x00, 0x01, 0x10, 0x03,
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
451 0x04, 0x05, 0x12, 0x07,
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
452 0x08, 0x09, 0x14, 0x0b,
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
453 0x0c, 0x0d, 0x16, 0x0f
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
454 );
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
455 vector unsigned char vgreen2 = (vector unsigned char)(
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
456 vec_add((vector unsigned int)vgreen1, vec_sl(v8, v8))
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
457 );
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
458
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
459
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
460 assert(srcfmt->BytesPerPixel == 2);
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
461 assert(dstfmt->BytesPerPixel == 4);
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
462
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
463 vf800 = (vector unsigned short)vec_splat_u8(-7);
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
464 vf800 = vec_sl(vf800, vec_splat_u16(8));
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
465
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
466 if (dstfmt->Amask && srcfmt->alpha) {
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
467 ((unsigned char *)&valpha)[0] = alpha = srcfmt->alpha;
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
468 valpha = vec_splat(valpha, 0);
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
469 } else {
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
470 alpha = 0;
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
471 valpha = vec_splat_u8(0);
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
472 }
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
473
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
474 vpermute = calc_swizzle32(NULL, dstfmt);
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
475 while (height--) {
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
476 vector unsigned char valigner;
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
477 vector unsigned char voverflow;
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
478 vector unsigned char vsrc;
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
479
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
480 int width = info->d_width;
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
481 int extrawidth;
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
482
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
483 /* do scalar until we can align... */
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
484 #define ONE_PIXEL_BLEND(condition, widthvar) \
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
485 while (condition) { \
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
486 unsigned sR, sG, sB; \
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
487 unsigned short Pixel = *((unsigned short *)src); \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
488 sR = (Pixel >> 7) & 0xf8; \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
489 sG = (Pixel >> 2) & 0xf8; \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
490 sB = (Pixel << 3) & 0xf8; \
1139
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
491 ASSEMBLE_RGBA(dst, 4, dstfmt, sR, sG, sB, alpha); \
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
492 src += 2; \
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
493 dst += 4; \
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
494 widthvar--; \
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
495 }
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
496 ONE_PIXEL_BLEND(((UNALIGNED_PTR(dst)) && (width)), width);
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
497
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
498 /* After all that work, here's the vector part! */
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
499 extrawidth = (width % 8); /* trailing unaligned stores */
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
500 width -= extrawidth;
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
501 vsrc = vec_ld(0, src);
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
502 valigner = VEC_ALIGNER(src);
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
503
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
504 while (width) {
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
505 vector unsigned short vR, vG, vB;
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
506 vector unsigned char vdst1, vdst2;
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
507
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
508 voverflow = vec_ld(15, src);
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
509 vsrc = vec_perm(vsrc, voverflow, valigner);
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
510
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
511 vR = vec_and(vec_sl((vector unsigned short)vsrc,v1), vf800);
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
512 vB = vec_sl((vector unsigned short)vsrc, v3);
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
513 vG = vec_sl(vB, v3);
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
514
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
515 vdst1 = (vector unsigned char)vec_perm((vector unsigned char)vR, valpha, vredalpha1);
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
516 vdst1 = vec_perm(vdst1, (vector unsigned char)vB, vblue1);
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
517 vdst1 = vec_perm(vdst1, (vector unsigned char)vG, vgreen1);
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
518 vdst1 = vec_perm(vdst1, valpha, vpermute);
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
519 vec_st(vdst1, 0, dst);
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
520
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
521 vdst2 = (vector unsigned char)vec_perm((vector unsigned char)vR, valpha, vredalpha2);
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
522 vdst2 = vec_perm(vdst2, (vector unsigned char)vB, vblue2);
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
523 vdst2 = vec_perm(vdst2, (vector unsigned char)vG, vgreen2);
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
524 vdst2 = vec_perm(vdst2, valpha, vpermute);
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
525 vec_st(vdst2, 16, dst);
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
526
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
527 width -= 8;
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
528 dst += 32;
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
529 src += 16;
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
530 vsrc = voverflow;
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
531 }
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
532
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
533 assert(width == 0);
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
534
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
535
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
536 /* do scalar until we can align... */
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
537 ONE_PIXEL_BLEND((extrawidth), extrawidth);
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
538 #undef ONE_PIXEL_BLEND
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
539
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
540 src += srcskip; /* move to next row, accounting for pitch. */
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
541 dst += dstskip;
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
542 }
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
543
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
544 }
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
545
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
546 static void BlitNtoNKey(SDL_BlitInfo *info);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
547 static void BlitNtoNKeyCopyAlpha(SDL_BlitInfo *info);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
548 static void Blit32to32KeyAltivec(SDL_BlitInfo *info)
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
549 {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
550 int height = info->d_height;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
551 Uint32 *srcp = (Uint32 *) info->s_pixels;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
552 int srcskip = info->s_skip;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
553 Uint32 *dstp = (Uint32 *) info->d_pixels;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
554 int dstskip = info->d_skip;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
555 SDL_PixelFormat *srcfmt = info->src;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
556 int srcbpp = srcfmt->BytesPerPixel;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
557 SDL_PixelFormat *dstfmt = info->dst;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
558 int dstbpp = dstfmt->BytesPerPixel;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
559 int copy_alpha = (srcfmt->Amask && dstfmt->Amask);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
560 unsigned alpha = dstfmt->Amask ? srcfmt->alpha : 0;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
561 Uint32 rgbmask = srcfmt->Rmask | srcfmt->Gmask | srcfmt->Bmask;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
562 Uint32 ckey = info->src->colorkey;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
563 vector unsigned int valpha;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
564 vector unsigned char vpermute;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
565 vector unsigned char vzero;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
566 vector unsigned int vckey;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
567 vector unsigned int vrgbmask;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
568 vpermute = calc_swizzle32(srcfmt, dstfmt);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
569 if (info->d_width < 16) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
570 if(copy_alpha) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
571 return BlitNtoNKeyCopyAlpha(info);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
572 } else {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
573 return BlitNtoNKey(info);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
574 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
575 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
576 vzero = vec_splat_u8(0);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
577 if (alpha) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
578 ((unsigned char *)&valpha)[0] = (unsigned char)alpha;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
579 valpha = (vector unsigned int)vec_splat((vector unsigned char)valpha, 0);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
580 } else {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
581 valpha = (vector unsigned int)vzero;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
582 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
583 ckey &= rgbmask;
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
584 ((unsigned int *)(char*)&vckey)[0] = ckey;
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
585 vckey = vec_splat(vckey, 0);
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
586 ((unsigned int *)(char*)&vrgbmask)[0] = rgbmask;
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
587 vrgbmask = vec_splat(vrgbmask, 0);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
588
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
589 while (height--) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
590 #define ONE_PIXEL_BLEND(condition, widthvar) \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
591 if (copy_alpha) { \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
592 while (condition) { \
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
593 Uint32 Pixel; \
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
594 unsigned sR, sG, sB, sA; \
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
595 DISEMBLE_RGBA((Uint8 *)srcp, srcbpp, srcfmt, Pixel, \
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
596 sR, sG, sB, sA); \
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
597 if ( (Pixel & rgbmask) != ckey ) { \
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
598 ASSEMBLE_RGBA((Uint8 *)dstp, dstbpp, dstfmt, \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
599 sR, sG, sB, sA); \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
600 } \
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
601 dstp = (Uint32 *) (((Uint8 *) dstp) + dstbpp); \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
602 srcp = (Uint32 *) (((Uint8 *) srcp) + srcbpp); \
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
603 widthvar--; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
604 } \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
605 } else { \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
606 while (condition) { \
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
607 Uint32 Pixel; \
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
608 unsigned sR, sG, sB; \
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
609 RETRIEVE_RGB_PIXEL((Uint8 *)srcp, srcbpp, Pixel); \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
610 if ( Pixel != ckey ) { \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
611 RGB_FROM_PIXEL(Pixel, srcfmt, sR, sG, sB); \
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
612 ASSEMBLE_RGBA((Uint8 *)dstp, dstbpp, dstfmt, \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
613 sR, sG, sB, alpha); \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
614 } \
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
615 dstp = (Uint32 *) (((Uint8 *)dstp) + dstbpp); \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
616 srcp = (Uint32 *) (((Uint8 *)srcp) + srcbpp); \
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
617 widthvar--; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
618 } \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
619 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
620 int width = info->d_width;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
621 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
622 assert(width > 0);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
623 if (width > 0) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
624 int extrawidth = (width % 4);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
625 vector unsigned char valigner = VEC_ALIGNER(srcp);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
626 vector unsigned int vs = vec_ld(0, srcp);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
627 width -= extrawidth;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
628 assert(width >= 4);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
629 while (width) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
630 vector unsigned char vsel;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
631 vector unsigned int vd;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
632 vector unsigned int voverflow = vec_ld(15, srcp);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
633 /* load the source vec */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
634 vs = vec_perm(vs, voverflow, valigner);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
635 /* vsel is set for items that match the key */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
636 vsel = (vector unsigned char)vec_and(vs, vrgbmask);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
637 vsel = (vector unsigned char)vec_cmpeq(vs, vckey);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
638 /* permute the src vec to the dest format */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
639 vs = vec_perm(vs, valpha, vpermute);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
640 /* load the destination vec */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
641 vd = vec_ld(0, dstp);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
642 /* select the source and dest into vs */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
643 vd = (vector unsigned int)vec_sel((vector unsigned char)vs, (vector unsigned char)vd, vsel);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
644
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
645 vec_st(vd, 0, dstp);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
646 srcp += 4;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
647 width -= 4;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
648 dstp += 4;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
649 vs = voverflow;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
650 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
651 ONE_PIXEL_BLEND((extrawidth), extrawidth);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
652 #undef ONE_PIXEL_BLEND
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
653 srcp += srcskip >> 2;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
654 dstp += dstskip >> 2;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
655 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
656 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
657 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
658
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
659 /* Altivec code to swizzle one 32-bit surface to a different 32-bit format. */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
660 /* Use this on a G5 */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
661 static void ConvertAltivec32to32_noprefetch(SDL_BlitInfo *info)
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
662 {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
663 int height = info->d_height;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
664 Uint32 *src = (Uint32 *) info->s_pixels;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
665 int srcskip = info->s_skip;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
666 Uint32 *dst = (Uint32 *) info->d_pixels;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
667 int dstskip = info->d_skip;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
668 SDL_PixelFormat *srcfmt = info->src;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
669 int srcbpp = srcfmt->BytesPerPixel;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
670 SDL_PixelFormat *dstfmt = info->dst;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
671 int dstbpp = dstfmt->BytesPerPixel;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
672 vector unsigned int vzero = vec_splat_u32(0);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
673 vector unsigned char vpermute = calc_swizzle32(srcfmt, dstfmt);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
674 if (dstfmt->Amask && !srcfmt->Amask) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
675 if (srcfmt->alpha) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
676 vector unsigned char valpha;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
677 ((unsigned char *)&valpha)[0] = srcfmt->alpha;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
678 vzero = (vector unsigned int)vec_splat(valpha, 0);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
679 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
680 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
681
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
682 assert(srcbpp == 4);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
683 assert(dstbpp == 4);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
684
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
685 while (height--) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
686 vector unsigned char valigner;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
687 vector unsigned int vbits;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
688 vector unsigned int voverflow;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
689 Uint32 bits;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
690 Uint8 r, g, b, a;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
691
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
692 int width = info->d_width;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
693 int extrawidth;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
694
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
695 /* do scalar until we can align... */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
696 while ((UNALIGNED_PTR(dst)) && (width)) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
697 bits = *(src++);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
698 RGBA_FROM_8888(bits, srcfmt, r, g, b, a);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
699 *(dst++) = MAKE8888(dstfmt, r, g, b, a);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
700 width--;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
701 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
702
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
703 /* After all that work, here's the vector part! */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
704 extrawidth = (width % 4);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
705 width -= extrawidth;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
706 valigner = VEC_ALIGNER(src);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
707 vbits = vec_ld(0, src);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
708
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
709 while (width) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
710 voverflow = vec_ld(15, src);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
711 src += 4;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
712 width -= 4;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
713 vbits = vec_perm(vbits, voverflow, valigner); /* src is ready. */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
714 vbits = vec_perm(vbits, vzero, vpermute); /* swizzle it. */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
715 vec_st(vbits, 0, dst); /* store it back out. */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
716 dst += 4;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
717 vbits = voverflow;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
718 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
719
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
720 assert(width == 0);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
721
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
722 /* cover pixels at the end of the row that didn't fit in 16 bytes. */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
723 while (extrawidth) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
724 bits = *(src++); /* max 7 pixels, don't bother with prefetch. */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
725 RGBA_FROM_8888(bits, srcfmt, r, g, b, a);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
726 *(dst++) = MAKE8888(dstfmt, r, g, b, a);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
727 extrawidth--;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
728 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
729
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
730 src += srcskip >> 2; /* move to next row, accounting for pitch. */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
731 dst += dstskip >> 2;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
732 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
733
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
734 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
735
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
736 /* Altivec code to swizzle one 32-bit surface to a different 32-bit format. */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
737 /* Use this on a G4 */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
738 static void ConvertAltivec32to32_prefetch(SDL_BlitInfo *info)
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
739 {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
740 const int scalar_dst_lead = sizeof (Uint32) * 4;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
741 const int vector_dst_lead = sizeof (Uint32) * 16;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
742
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
743 int height = info->d_height;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
744 Uint32 *src = (Uint32 *) info->s_pixels;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
745 int srcskip = info->s_skip;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
746 Uint32 *dst = (Uint32 *) info->d_pixels;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
747 int dstskip = info->d_skip;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
748 SDL_PixelFormat *srcfmt = info->src;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
749 int srcbpp = srcfmt->BytesPerPixel;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
750 SDL_PixelFormat *dstfmt = info->dst;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
751 int dstbpp = dstfmt->BytesPerPixel;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
752 vector unsigned int vzero = vec_splat_u32(0);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
753 vector unsigned char vpermute = calc_swizzle32(srcfmt, dstfmt);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
754 if (dstfmt->Amask && !srcfmt->Amask) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
755 if (srcfmt->alpha) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
756 vector unsigned char valpha;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
757 ((unsigned char *)&valpha)[0] = srcfmt->alpha;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
758 vzero = (vector unsigned int)vec_splat(valpha, 0);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
759 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
760 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
761
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
762 assert(srcbpp == 4);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
763 assert(dstbpp == 4);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
764
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
765 while (height--) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
766 vector unsigned char valigner;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
767 vector unsigned int vbits;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
768 vector unsigned int voverflow;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
769 Uint32 bits;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
770 Uint8 r, g, b, a;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
771
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
772 int width = info->d_width;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
773 int extrawidth;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
774
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
775 /* do scalar until we can align... */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
776 while ((UNALIGNED_PTR(dst)) && (width)) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
777 vec_dstt(src+scalar_dst_lead, DST_CTRL(2,32,1024), DST_CHAN_SRC);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
778 vec_dstst(dst+scalar_dst_lead, DST_CTRL(2,32,1024), DST_CHAN_DEST);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
779 bits = *(src++);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
780 RGBA_FROM_8888(bits, srcfmt, r, g, b, a);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
781 *(dst++) = MAKE8888(dstfmt, r, g, b, a);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
782 width--;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
783 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
784
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
785 /* After all that work, here's the vector part! */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
786 extrawidth = (width % 4);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
787 width -= extrawidth;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
788 valigner = VEC_ALIGNER(src);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
789 vbits = vec_ld(0, src);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
790
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
791 while (width) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
792 vec_dstt(src+vector_dst_lead, DST_CTRL(2,32,1024), DST_CHAN_SRC);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
793 vec_dstst(dst+vector_dst_lead, DST_CTRL(2,32,1024), DST_CHAN_DEST);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
794 voverflow = vec_ld(15, src);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
795 src += 4;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
796 width -= 4;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
797 vbits = vec_perm(vbits, voverflow, valigner); /* src is ready. */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
798 vbits = vec_perm(vbits, vzero, vpermute); /* swizzle it. */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
799 vec_st(vbits, 0, dst); /* store it back out. */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
800 dst += 4;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
801 vbits = voverflow;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
802 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
803
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
804 assert(width == 0);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
805
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
806 /* cover pixels at the end of the row that didn't fit in 16 bytes. */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
807 while (extrawidth) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
808 bits = *(src++); /* max 7 pixels, don't bother with prefetch. */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
809 RGBA_FROM_8888(bits, srcfmt, r, g, b, a);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
810 *(dst++) = MAKE8888(dstfmt, r, g, b, a);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
811 extrawidth--;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
812 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
813
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
814 src += srcskip >> 2; /* move to next row, accounting for pitch. */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
815 dst += dstskip >> 2;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
816 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
817
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
818 vec_dss(DST_CHAN_SRC);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
819 vec_dss(DST_CHAN_DEST);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
820 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
821
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
822 static Uint32 GetBlitFeatures( void )
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
823 {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
824 static Uint32 features = 0xffffffff;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
825 if (features == 0xffffffff) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
826 /* Provide an override for testing .. */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
827 char *override = getenv("SDL_ALTIVEC_BLIT_FEATURES");
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
828 if (override) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
829 features = 0;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
830 sscanf(override, "%u", &features);
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
831 } else {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
832 features = ( 0
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
833 /* Feature 1 is has-MMX */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
834 | ((SDL_HasMMX()) ? 1 : 0)
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
835 /* Feature 2 is has-AltiVec */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
836 | ((SDL_HasAltiVec()) ? 2 : 0)
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
837 /* Feature 4 is dont-use-prefetch */
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
838 /* !!!! FIXME: Check for G5 or later, not the cache size! Always prefetch on a G4. */
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
839 | ((GetL3CacheSize() == 0) ? 4 : 0)
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
840 );
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
841 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
842 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
843 return features;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
844 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
845 #else
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
846 /* Feature 1 is has-MMX */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
847 #define GetBlitFeatures() ((Uint32)(SDL_HasMMX() ? 1 : 0))
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
848 #endif
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
849
1053
f596fa4f17a6 Patched to compile again on x86 systems that use the assembly blitters.
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
850 /* This is now endian dependent */
f596fa4f17a6 Patched to compile again on x86 systems that use the assembly blitters.
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
851 #if ( SDL_BYTEORDER == SDL_LIL_ENDIAN )
f596fa4f17a6 Patched to compile again on x86 systems that use the assembly blitters.
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
852 #define HI 1
f596fa4f17a6 Patched to compile again on x86 systems that use the assembly blitters.
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
853 #define LO 0
f596fa4f17a6 Patched to compile again on x86 systems that use the assembly blitters.
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
854 #else /* ( SDL_BYTEORDER == SDL_BIG_ENDIAN ) */
f596fa4f17a6 Patched to compile again on x86 systems that use the assembly blitters.
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
855 #define HI 0
f596fa4f17a6 Patched to compile again on x86 systems that use the assembly blitters.
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
856 #define LO 1
f596fa4f17a6 Patched to compile again on x86 systems that use the assembly blitters.
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
857 #endif
f596fa4f17a6 Patched to compile again on x86 systems that use the assembly blitters.
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
858
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
859 #ifdef USE_ASMBLIT
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
860
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
861 /* Heheheh, we coerce Hermes into using SDL blit information */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
862 #define X86_ASSEMBLER
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
863 #define HermesConverterInterface SDL_BlitInfo
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
864 #define HermesClearInterface void
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
865 #define STACKCALL
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
866
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
867 #include "HeadMMX.h"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
868 #include "HeadX86.h"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
869
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
870 #else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
871
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
872 /* Special optimized blit for RGB 8-8-8 --> RGB 3-3-2 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
873 #define RGB888_RGB332(dst, src) { \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
874 dst = (((src)&0x00E00000)>>16)| \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
875 (((src)&0x0000E000)>>11)| \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
876 (((src)&0x000000C0)>>6); \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
877 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
878 static void Blit_RGB888_index8(SDL_BlitInfo *info)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
879 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
880 #ifndef USE_DUFFS_LOOP
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
881 int c;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
882 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
883 int width, height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
884 Uint32 *src;
91
e85e03f195b4 From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
885 const Uint8 *map;
e85e03f195b4 From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
886 Uint8 *dst;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
887 int srcskip, dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
888
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
889 /* Set up some basic variables */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
890 width = info->d_width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
891 height = info->d_height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
892 src = (Uint32 *)info->s_pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
893 srcskip = info->s_skip/4;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
894 dst = info->d_pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
895 dstskip = info->d_skip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
896 map = info->table;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
897
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
898 if ( map == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
899 while ( height-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
900 #ifdef USE_DUFFS_LOOP
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
901 DUFFS_LOOP(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
902 RGB888_RGB332(*dst++, *src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
903 , width);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
904 #else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
905 for ( c=width/4; c; --c ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
906 /* Pack RGB into 8bit pixel */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
907 ++src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
908 RGB888_RGB332(*dst++, *src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
909 ++src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
910 RGB888_RGB332(*dst++, *src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
911 ++src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
912 RGB888_RGB332(*dst++, *src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
913 ++src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
914 }
91
e85e03f195b4 From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
915 switch ( width & 3 ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
916 case 3:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
917 RGB888_RGB332(*dst++, *src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
918 ++src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
919 case 2:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
920 RGB888_RGB332(*dst++, *src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
921 ++src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
922 case 1:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
923 RGB888_RGB332(*dst++, *src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
924 ++src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
925 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
926 #endif /* USE_DUFFS_LOOP */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
927 src += srcskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
928 dst += dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
929 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
930 } else {
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
931 int Pixel;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
932
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
933 while ( height-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
934 #ifdef USE_DUFFS_LOOP
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
935 DUFFS_LOOP(
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
936 RGB888_RGB332(Pixel, *src);
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
937 *dst++ = map[Pixel];
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
938 ++src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
939 , width);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
940 #else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
941 for ( c=width/4; c; --c ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
942 /* Pack RGB into 8bit pixel */
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
943 RGB888_RGB332(Pixel, *src);
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
944 *dst++ = map[Pixel];
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
945 ++src;
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
946 RGB888_RGB332(Pixel, *src);
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
947 *dst++ = map[Pixel];
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
948 ++src;
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
949 RGB888_RGB332(Pixel, *src);
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
950 *dst++ = map[Pixel];
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
951 ++src;
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
952 RGB888_RGB332(Pixel, *src);
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
953 *dst++ = map[Pixel];
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
954 ++src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
955 }
91
e85e03f195b4 From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
956 switch ( width & 3 ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
957 case 3:
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
958 RGB888_RGB332(Pixel, *src);
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
959 *dst++ = map[Pixel];
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
960 ++src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
961 case 2:
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
962 RGB888_RGB332(Pixel, *src);
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
963 *dst++ = map[Pixel];
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
964 ++src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
965 case 1:
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
966 RGB888_RGB332(Pixel, *src);
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
967 *dst++ = map[Pixel];
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
968 ++src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
969 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
970 #endif /* USE_DUFFS_LOOP */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
971 src += srcskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
972 dst += dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
973 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
974 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
975 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
976 /* Special optimized blit for RGB 8-8-8 --> RGB 5-5-5 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
977 #define RGB888_RGB555(dst, src) { \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
978 *(Uint16 *)(dst) = (((*src)&0x00F80000)>>9)| \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
979 (((*src)&0x0000F800)>>6)| \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
980 (((*src)&0x000000F8)>>3); \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
981 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
982 #define RGB888_RGB555_TWO(dst, src) { \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
983 *(Uint32 *)(dst) = (((((src[HI])&0x00F80000)>>9)| \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
984 (((src[HI])&0x0000F800)>>6)| \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
985 (((src[HI])&0x000000F8)>>3))<<16)| \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
986 (((src[LO])&0x00F80000)>>9)| \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
987 (((src[LO])&0x0000F800)>>6)| \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
988 (((src[LO])&0x000000F8)>>3); \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
989 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
990 static void Blit_RGB888_RGB555(SDL_BlitInfo *info)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
991 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
992 #ifndef USE_DUFFS_LOOP
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
993 int c;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
994 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
995 int width, height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
996 Uint32 *src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
997 Uint16 *dst;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
998 int srcskip, dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
999
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1000 /* Set up some basic variables */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1001 width = info->d_width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1002 height = info->d_height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1003 src = (Uint32 *)info->s_pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1004 srcskip = info->s_skip/4;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1005 dst = (Uint16 *)info->d_pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1006 dstskip = info->d_skip/2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1007
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1008 #ifdef USE_DUFFS_LOOP
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1009 while ( height-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1010 DUFFS_LOOP(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1011 RGB888_RGB555(dst, src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1012 ++src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1013 ++dst;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1014 , width);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1015 src += srcskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1016 dst += dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1017 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1018 #else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1019 /* Memory align at 4-byte boundary, if necessary */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1020 if ( (long)dst & 0x03 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1021 /* Don't do anything if width is 0 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1022 if ( width == 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1023 return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1024 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1025 --width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1026
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1027 while ( height-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1028 /* Perform copy alignment */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1029 RGB888_RGB555(dst, src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1030 ++src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1031 ++dst;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1032
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1033 /* Copy in 4 pixel chunks */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1034 for ( c=width/4; c; --c ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1035 RGB888_RGB555_TWO(dst, src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1036 src += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1037 dst += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1038 RGB888_RGB555_TWO(dst, src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1039 src += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1040 dst += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1041 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1042 /* Get any leftovers */
91
e85e03f195b4 From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1043 switch (width & 3) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1044 case 3:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1045 RGB888_RGB555(dst, src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1046 ++src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1047 ++dst;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1048 case 2:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1049 RGB888_RGB555_TWO(dst, src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1050 src += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1051 dst += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1052 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1053 case 1:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1054 RGB888_RGB555(dst, src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1055 ++src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1056 ++dst;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1057 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1058 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1059 src += srcskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1060 dst += dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1061 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1062 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1063 while ( height-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1064 /* Copy in 4 pixel chunks */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1065 for ( c=width/4; c; --c ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1066 RGB888_RGB555_TWO(dst, src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1067 src += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1068 dst += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1069 RGB888_RGB555_TWO(dst, src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1070 src += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1071 dst += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1072 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1073 /* Get any leftovers */
91
e85e03f195b4 From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1074 switch (width & 3) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1075 case 3:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1076 RGB888_RGB555(dst, src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1077 ++src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1078 ++dst;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1079 case 2:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1080 RGB888_RGB555_TWO(dst, src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1081 src += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1082 dst += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1083 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1084 case 1:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1085 RGB888_RGB555(dst, src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1086 ++src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1087 ++dst;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1088 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1089 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1090 src += srcskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1091 dst += dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1092 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1093 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1094 #endif /* USE_DUFFS_LOOP */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1095 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1096 /* Special optimized blit for RGB 8-8-8 --> RGB 5-6-5 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1097 #define RGB888_RGB565(dst, src) { \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1098 *(Uint16 *)(dst) = (((*src)&0x00F80000)>>8)| \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1099 (((*src)&0x0000FC00)>>5)| \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1100 (((*src)&0x000000F8)>>3); \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1101 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1102 #define RGB888_RGB565_TWO(dst, src) { \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1103 *(Uint32 *)(dst) = (((((src[HI])&0x00F80000)>>8)| \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1104 (((src[HI])&0x0000FC00)>>5)| \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1105 (((src[HI])&0x000000F8)>>3))<<16)| \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1106 (((src[LO])&0x00F80000)>>8)| \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1107 (((src[LO])&0x0000FC00)>>5)| \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1108 (((src[LO])&0x000000F8)>>3); \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1109 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1110 static void Blit_RGB888_RGB565(SDL_BlitInfo *info)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1111 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1112 #ifndef USE_DUFFS_LOOP
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1113 int c;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1114 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1115 int width, height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1116 Uint32 *src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1117 Uint16 *dst;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1118 int srcskip, dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1119
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1120 /* Set up some basic variables */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1121 width = info->d_width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1122 height = info->d_height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1123 src = (Uint32 *)info->s_pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1124 srcskip = info->s_skip/4;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1125 dst = (Uint16 *)info->d_pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1126 dstskip = info->d_skip/2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1127
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1128 #ifdef USE_DUFFS_LOOP
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1129 while ( height-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1130 DUFFS_LOOP(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1131 RGB888_RGB565(dst, src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1132 ++src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1133 ++dst;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1134 , width);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1135 src += srcskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1136 dst += dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1137 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1138 #else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1139 /* Memory align at 4-byte boundary, if necessary */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1140 if ( (long)dst & 0x03 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1141 /* Don't do anything if width is 0 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1142 if ( width == 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1143 return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1144 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1145 --width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1146
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1147 while ( height-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1148 /* Perform copy alignment */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1149 RGB888_RGB565(dst, src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1150 ++src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1151 ++dst;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1152
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1153 /* Copy in 4 pixel chunks */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1154 for ( c=width/4; c; --c ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1155 RGB888_RGB565_TWO(dst, src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1156 src += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1157 dst += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1158 RGB888_RGB565_TWO(dst, src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1159 src += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1160 dst += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1161 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1162 /* Get any leftovers */
91
e85e03f195b4 From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1163 switch (width & 3) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1164 case 3:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1165 RGB888_RGB565(dst, src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1166 ++src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1167 ++dst;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1168 case 2:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1169 RGB888_RGB565_TWO(dst, src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1170 src += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1171 dst += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1172 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1173 case 1:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1174 RGB888_RGB565(dst, src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1175 ++src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1176 ++dst;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1177 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1178 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1179 src += srcskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1180 dst += dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1181 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1182 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1183 while ( height-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1184 /* Copy in 4 pixel chunks */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1185 for ( c=width/4; c; --c ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1186 RGB888_RGB565_TWO(dst, src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1187 src += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1188 dst += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1189 RGB888_RGB565_TWO(dst, src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1190 src += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1191 dst += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1192 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1193 /* Get any leftovers */
91
e85e03f195b4 From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1194 switch (width & 3) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1195 case 3:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1196 RGB888_RGB565(dst, src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1197 ++src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1198 ++dst;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1199 case 2:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1200 RGB888_RGB565_TWO(dst, src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1201 src += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1202 dst += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1203 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1204 case 1:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1205 RGB888_RGB565(dst, src);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1206 ++src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1207 ++dst;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1208 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1209 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1210 src += srcskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1211 dst += dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1212 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1213 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1214 #endif /* USE_DUFFS_LOOP */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1215 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1216
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1217 #endif /* USE_ASMBLIT */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1218
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1219
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1220 /* Special optimized blit for RGB 5-6-5 --> 32-bit RGB surfaces */
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
1221 #define RGB565_32(dst, src, map) (map[src[LO]*2] + map[src[HI]*2+1])
91
e85e03f195b4 From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1222 static void Blit_RGB565_32(SDL_BlitInfo *info, const Uint32 *map)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1223 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1224 #ifndef USE_DUFFS_LOOP
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1225 int c;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1226 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1227 int width, height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1228 Uint8 *src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1229 Uint32 *dst;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1230 int srcskip, dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1231
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1232 /* Set up some basic variables */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1233 width = info->d_width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1234 height = info->d_height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1235 src = (Uint8 *)info->s_pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1236 srcskip = info->s_skip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1237 dst = (Uint32 *)info->d_pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1238 dstskip = info->d_skip/4;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1239
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1240 #ifdef USE_DUFFS_LOOP
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1241 while ( height-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1242 DUFFS_LOOP(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1243 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1244 *dst++ = RGB565_32(dst, src, map);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1245 src += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1246 },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1247 width);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1248 src += srcskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1249 dst += dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1250 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1251 #else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1252 while ( height-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1253 /* Copy in 4 pixel chunks */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1254 for ( c=width/4; c; --c ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1255 *dst++ = RGB565_32(dst, src, map);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1256 src += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1257 *dst++ = RGB565_32(dst, src, map);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1258 src += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1259 *dst++ = RGB565_32(dst, src, map);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1260 src += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1261 *dst++ = RGB565_32(dst, src, map);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1262 src += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1263 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1264 /* Get any leftovers */
91
e85e03f195b4 From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1265 switch (width & 3) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1266 case 3:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1267 *dst++ = RGB565_32(dst, src, map);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1268 src += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1269 case 2:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1270 *dst++ = RGB565_32(dst, src, map);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1271 src += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1272 case 1:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1273 *dst++ = RGB565_32(dst, src, map);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1274 src += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1275 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1276 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1277 src += srcskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1278 dst += dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1279 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1280 #endif /* USE_DUFFS_LOOP */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1281 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1282
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1283 /* Special optimized blit for RGB 5-6-5 --> ARGB 8-8-8-8 */
91
e85e03f195b4 From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1284 static const Uint32 RGB565_ARGB8888_LUT[512] = {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1285 0x00000000, 0xff000000, 0x00000008, 0xff002000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1286 0x00000010, 0xff004000, 0x00000018, 0xff006100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1287 0x00000020, 0xff008100, 0x00000029, 0xff00a100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1288 0x00000031, 0xff00c200, 0x00000039, 0xff00e200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1289 0x00000041, 0xff080000, 0x0000004a, 0xff082000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1290 0x00000052, 0xff084000, 0x0000005a, 0xff086100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1291 0x00000062, 0xff088100, 0x0000006a, 0xff08a100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1292 0x00000073, 0xff08c200, 0x0000007b, 0xff08e200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1293 0x00000083, 0xff100000, 0x0000008b, 0xff102000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1294 0x00000094, 0xff104000, 0x0000009c, 0xff106100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1295 0x000000a4, 0xff108100, 0x000000ac, 0xff10a100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1296 0x000000b4, 0xff10c200, 0x000000bd, 0xff10e200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1297 0x000000c5, 0xff180000, 0x000000cd, 0xff182000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1298 0x000000d5, 0xff184000, 0x000000de, 0xff186100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1299 0x000000e6, 0xff188100, 0x000000ee, 0xff18a100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1300 0x000000f6, 0xff18c200, 0x000000ff, 0xff18e200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1301 0x00000400, 0xff200000, 0x00000408, 0xff202000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1302 0x00000410, 0xff204000, 0x00000418, 0xff206100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1303 0x00000420, 0xff208100, 0x00000429, 0xff20a100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1304 0x00000431, 0xff20c200, 0x00000439, 0xff20e200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1305 0x00000441, 0xff290000, 0x0000044a, 0xff292000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1306 0x00000452, 0xff294000, 0x0000045a, 0xff296100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1307 0x00000462, 0xff298100, 0x0000046a, 0xff29a100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1308 0x00000473, 0xff29c200, 0x0000047b, 0xff29e200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1309 0x00000483, 0xff310000, 0x0000048b, 0xff312000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1310 0x00000494, 0xff314000, 0x0000049c, 0xff316100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1311 0x000004a4, 0xff318100, 0x000004ac, 0xff31a100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1312 0x000004b4, 0xff31c200, 0x000004bd, 0xff31e200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1313 0x000004c5, 0xff390000, 0x000004cd, 0xff392000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1314 0x000004d5, 0xff394000, 0x000004de, 0xff396100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1315 0x000004e6, 0xff398100, 0x000004ee, 0xff39a100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1316 0x000004f6, 0xff39c200, 0x000004ff, 0xff39e200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1317 0x00000800, 0xff410000, 0x00000808, 0xff412000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1318 0x00000810, 0xff414000, 0x00000818, 0xff416100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1319 0x00000820, 0xff418100, 0x00000829, 0xff41a100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1320 0x00000831, 0xff41c200, 0x00000839, 0xff41e200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1321 0x00000841, 0xff4a0000, 0x0000084a, 0xff4a2000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1322 0x00000852, 0xff4a4000, 0x0000085a, 0xff4a6100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1323 0x00000862, 0xff4a8100, 0x0000086a, 0xff4aa100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1324 0x00000873, 0xff4ac200, 0x0000087b, 0xff4ae200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1325 0x00000883, 0xff520000, 0x0000088b, 0xff522000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1326 0x00000894, 0xff524000, 0x0000089c, 0xff526100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1327 0x000008a4, 0xff528100, 0x000008ac, 0xff52a100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1328 0x000008b4, 0xff52c200, 0x000008bd, 0xff52e200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1329 0x000008c5, 0xff5a0000, 0x000008cd, 0xff5a2000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1330 0x000008d5, 0xff5a4000, 0x000008de, 0xff5a6100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1331 0x000008e6, 0xff5a8100, 0x000008ee, 0xff5aa100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1332 0x000008f6, 0xff5ac200, 0x000008ff, 0xff5ae200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1333 0x00000c00, 0xff620000, 0x00000c08, 0xff622000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1334 0x00000c10, 0xff624000, 0x00000c18, 0xff626100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1335 0x00000c20, 0xff628100, 0x00000c29, 0xff62a100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1336 0x00000c31, 0xff62c200, 0x00000c39, 0xff62e200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1337 0x00000c41, 0xff6a0000, 0x00000c4a, 0xff6a2000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1338 0x00000c52, 0xff6a4000, 0x00000c5a, 0xff6a6100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1339 0x00000c62, 0xff6a8100, 0x00000c6a, 0xff6aa100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1340 0x00000c73, 0xff6ac200, 0x00000c7b, 0xff6ae200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1341 0x00000c83, 0xff730000, 0x00000c8b, 0xff732000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1342 0x00000c94, 0xff734000, 0x00000c9c, 0xff736100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1343 0x00000ca4, 0xff738100, 0x00000cac, 0xff73a100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1344 0x00000cb4, 0xff73c200, 0x00000cbd, 0xff73e200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1345 0x00000cc5, 0xff7b0000, 0x00000ccd, 0xff7b2000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1346 0x00000cd5, 0xff7b4000, 0x00000cde, 0xff7b6100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1347 0x00000ce6, 0xff7b8100, 0x00000cee, 0xff7ba100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1348 0x00000cf6, 0xff7bc200, 0x00000cff, 0xff7be200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1349 0x00001000, 0xff830000, 0x00001008, 0xff832000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1350 0x00001010, 0xff834000, 0x00001018, 0xff836100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1351 0x00001020, 0xff838100, 0x00001029, 0xff83a100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1352 0x00001031, 0xff83c200, 0x00001039, 0xff83e200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1353 0x00001041, 0xff8b0000, 0x0000104a, 0xff8b2000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1354 0x00001052, 0xff8b4000, 0x0000105a, 0xff8b6100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1355 0x00001062, 0xff8b8100, 0x0000106a, 0xff8ba100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1356 0x00001073, 0xff8bc200, 0x0000107b, 0xff8be200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1357 0x00001083, 0xff940000, 0x0000108b, 0xff942000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1358 0x00001094, 0xff944000, 0x0000109c, 0xff946100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1359 0x000010a4, 0xff948100, 0x000010ac, 0xff94a100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1360 0x000010b4, 0xff94c200, 0x000010bd, 0xff94e200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1361 0x000010c5, 0xff9c0000, 0x000010cd, 0xff9c2000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1362 0x000010d5, 0xff9c4000, 0x000010de, 0xff9c6100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1363 0x000010e6, 0xff9c8100, 0x000010ee, 0xff9ca100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1364 0x000010f6, 0xff9cc200, 0x000010ff, 0xff9ce200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1365 0x00001400, 0xffa40000, 0x00001408, 0xffa42000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1366 0x00001410, 0xffa44000, 0x00001418, 0xffa46100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1367 0x00001420, 0xffa48100, 0x00001429, 0xffa4a100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1368 0x00001431, 0xffa4c200, 0x00001439, 0xffa4e200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1369 0x00001441, 0xffac0000, 0x0000144a, 0xffac2000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1370 0x00001452, 0xffac4000, 0x0000145a, 0xffac6100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1371 0x00001462, 0xffac8100, 0x0000146a, 0xffaca100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1372 0x00001473, 0xffacc200, 0x0000147b, 0xfface200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1373 0x00001483, 0xffb40000, 0x0000148b, 0xffb42000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1374 0x00001494, 0xffb44000, 0x0000149c, 0xffb46100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1375 0x000014a4, 0xffb48100, 0x000014ac, 0xffb4a100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1376 0x000014b4, 0xffb4c200, 0x000014bd, 0xffb4e200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1377 0x000014c5, 0xffbd0000, 0x000014cd, 0xffbd2000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1378 0x000014d5, 0xffbd4000, 0x000014de, 0xffbd6100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1379 0x000014e6, 0xffbd8100, 0x000014ee, 0xffbda100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1380 0x000014f6, 0xffbdc200, 0x000014ff, 0xffbde200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1381 0x00001800, 0xffc50000, 0x00001808, 0xffc52000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1382 0x00001810, 0xffc54000, 0x00001818, 0xffc56100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1383 0x00001820, 0xffc58100, 0x00001829, 0xffc5a100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1384 0x00001831, 0xffc5c200, 0x00001839, 0xffc5e200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1385 0x00001841, 0xffcd0000, 0x0000184a, 0xffcd2000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1386 0x00001852, 0xffcd4000, 0x0000185a, 0xffcd6100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1387 0x00001862, 0xffcd8100, 0x0000186a, 0xffcda100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1388 0x00001873, 0xffcdc200, 0x0000187b, 0xffcde200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1389 0x00001883, 0xffd50000, 0x0000188b, 0xffd52000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1390 0x00001894, 0xffd54000, 0x0000189c, 0xffd56100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1391 0x000018a4, 0xffd58100, 0x000018ac, 0xffd5a100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1392 0x000018b4, 0xffd5c200, 0x000018bd, 0xffd5e200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1393 0x000018c5, 0xffde0000, 0x000018cd, 0xffde2000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1394 0x000018d5, 0xffde4000, 0x000018de, 0xffde6100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1395 0x000018e6, 0xffde8100, 0x000018ee, 0xffdea100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1396 0x000018f6, 0xffdec200, 0x000018ff, 0xffdee200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1397 0x00001c00, 0xffe60000, 0x00001c08, 0xffe62000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1398 0x00001c10, 0xffe64000, 0x00001c18, 0xffe66100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1399 0x00001c20, 0xffe68100, 0x00001c29, 0xffe6a100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1400 0x00001c31, 0xffe6c200, 0x00001c39, 0xffe6e200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1401 0x00001c41, 0xffee0000, 0x00001c4a, 0xffee2000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1402 0x00001c52, 0xffee4000, 0x00001c5a, 0xffee6100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1403 0x00001c62, 0xffee8100, 0x00001c6a, 0xffeea100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1404 0x00001c73, 0xffeec200, 0x00001c7b, 0xffeee200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1405 0x00001c83, 0xfff60000, 0x00001c8b, 0xfff62000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1406 0x00001c94, 0xfff64000, 0x00001c9c, 0xfff66100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1407 0x00001ca4, 0xfff68100, 0x00001cac, 0xfff6a100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1408 0x00001cb4, 0xfff6c200, 0x00001cbd, 0xfff6e200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1409 0x00001cc5, 0xffff0000, 0x00001ccd, 0xffff2000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1410 0x00001cd5, 0xffff4000, 0x00001cde, 0xffff6100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1411 0x00001ce6, 0xffff8100, 0x00001cee, 0xffffa100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1412 0x00001cf6, 0xffffc200, 0x00001cff, 0xffffe200
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1413 };
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1414 static void Blit_RGB565_ARGB8888(SDL_BlitInfo *info)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1415 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1416 Blit_RGB565_32(info, RGB565_ARGB8888_LUT);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1417 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1418
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1419 /* Special optimized blit for RGB 5-6-5 --> ABGR 8-8-8-8 */
91
e85e03f195b4 From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1420 static const Uint32 RGB565_ABGR8888_LUT[512] = {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1421 0xff000000, 0x00000000, 0xff080000, 0x00002000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1422 0xff100000, 0x00004000, 0xff180000, 0x00006100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1423 0xff200000, 0x00008100, 0xff290000, 0x0000a100,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1424 0xff310000, 0x0000c200, 0xff390000, 0x0000e200,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1425 0xff410000, 0x00000008, 0xff4a0000, 0x00002008,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1426 0xff520000, 0x00004008, 0xff5a0000, 0x00006108,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1427 0xff620000, 0x00008108, 0xff6a0000, 0x0000a108,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1428 0xff730000, 0x0000c208, 0xff7b0000, 0x0000e208,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1429 0xff830000, 0x00000010, 0xff8b0000, 0x00002010,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1430 0xff940000, 0x00004010, 0xff9c0000, 0x00006110,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1431 0xffa40000, 0x00008110, 0xffac0000, 0x0000a110,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1432 0xffb40000, 0x0000c210, 0xffbd0000, 0x0000e210,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1433 0xffc50000, 0x00000018, 0xffcd0000, 0x00002018,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1434 0xffd50000, 0x00004018, 0xffde0000, 0x00006118,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1435 0xffe60000, 0x00008118, 0xffee0000, 0x0000a118,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1436 0xfff60000, 0x0000c218, 0xffff0000, 0x0000e218,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1437 0xff000400, 0x00000020, 0xff080400, 0x00002020,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1438 0xff100400, 0x00004020, 0xff180400, 0x00006120,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1439 0xff200400, 0x00008120, 0xff290400, 0x0000a120,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1440 0xff310400, 0x0000c220, 0xff390400, 0x0000e220,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1441 0xff410400, 0x00000029, 0xff4a0400, 0x00002029,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1442 0xff520400, 0x00004029, 0xff5a0400, 0x00006129,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1443 0xff620400, 0x00008129, 0xff6a0400, 0x0000a129,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1444 0xff730400, 0x0000c229, 0xff7b0400, 0x0000e229,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1445 0xff830400, 0x00000031, 0xff8b0400, 0x00002031,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1446 0xff940400, 0x00004031, 0xff9c0400, 0x00006131,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1447 0xffa40400, 0x00008131, 0xffac0400, 0x0000a131,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1448 0xffb40400, 0x0000c231, 0xffbd0400, 0x0000e231,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1449 0xffc50400, 0x00000039, 0xffcd0400, 0x00002039,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1450 0xffd50400, 0x00004039, 0xffde0400, 0x00006139,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1451 0xffe60400, 0x00008139, 0xffee0400, 0x0000a139,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1452 0xfff60400, 0x0000c239, 0xffff0400, 0x0000e239,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1453 0xff000800, 0x00000041, 0xff080800, 0x00002041,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1454 0xff100800, 0x00004041, 0xff180800, 0x00006141,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1455 0xff200800, 0x00008141, 0xff290800, 0x0000a141,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1456 0xff310800, 0x0000c241, 0xff390800, 0x0000e241,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1457 0xff410800, 0x0000004a, 0xff4a0800, 0x0000204a,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1458 0xff520800, 0x0000404a, 0xff5a0800, 0x0000614a,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1459 0xff620800, 0x0000814a, 0xff6a0800, 0x0000a14a,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1460 0xff730800, 0x0000c24a, 0xff7b0800, 0x0000e24a,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1461 0xff830800, 0x00000052, 0xff8b0800, 0x00002052,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1462 0xff940800, 0x00004052, 0xff9c0800, 0x00006152,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1463 0xffa40800, 0x00008152, 0xffac0800, 0x0000a152,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1464 0xffb40800, 0x0000c252, 0xffbd0800, 0x0000e252,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1465 0xffc50800, 0x0000005a, 0xffcd0800, 0x0000205a,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1466 0xffd50800, 0x0000405a, 0xffde0800, 0x0000615a,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1467 0xffe60800, 0x0000815a, 0xffee0800, 0x0000a15a,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1468 0xfff60800, 0x0000c25a, 0xffff0800, 0x0000e25a,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1469 0xff000c00, 0x00000062, 0xff080c00, 0x00002062,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1470 0xff100c00, 0x00004062, 0xff180c00, 0x00006162,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1471 0xff200c00, 0x00008162, 0xff290c00, 0x0000a162,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1472 0xff310c00, 0x0000c262, 0xff390c00, 0x0000e262,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1473 0xff410c00, 0x0000006a, 0xff4a0c00, 0x0000206a,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1474 0xff520c00, 0x0000406a, 0xff5a0c00, 0x0000616a,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1475 0xff620c00, 0x0000816a, 0xff6a0c00, 0x0000a16a,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1476 0xff730c00, 0x0000c26a, 0xff7b0c00, 0x0000e26a,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1477 0xff830c00, 0x00000073, 0xff8b0c00, 0x00002073,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1478 0xff940c00, 0x00004073, 0xff9c0c00, 0x00006173,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1479 0xffa40c00, 0x00008173, 0xffac0c00, 0x0000a173,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1480 0xffb40c00, 0x0000c273, 0xffbd0c00, 0x0000e273,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1481 0xffc50c00, 0x0000007b, 0xffcd0c00, 0x0000207b,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1482 0xffd50c00, 0x0000407b, 0xffde0c00, 0x0000617b,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1483 0xffe60c00, 0x0000817b, 0xffee0c00, 0x0000a17b,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1484 0xfff60c00, 0x0000c27b, 0xffff0c00, 0x0000e27b,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1485 0xff001000, 0x00000083, 0xff081000, 0x00002083,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1486 0xff101000, 0x00004083, 0xff181000, 0x00006183,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1487 0xff201000, 0x00008183, 0xff291000, 0x0000a183,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1488 0xff311000, 0x0000c283, 0xff391000, 0x0000e283,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1489 0xff411000, 0x0000008b, 0xff4a1000, 0x0000208b,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1490 0xff521000, 0x0000408b, 0xff5a1000, 0x0000618b,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1491 0xff621000, 0x0000818b, 0xff6a1000, 0x0000a18b,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1492 0xff731000, 0x0000c28b, 0xff7b1000, 0x0000e28b,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1493 0xff831000, 0x00000094, 0xff8b1000, 0x00002094,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1494 0xff941000, 0x00004094, 0xff9c1000, 0x00006194,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1495 0xffa41000, 0x00008194, 0xffac1000, 0x0000a194,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1496 0xffb41000, 0x0000c294, 0xffbd1000, 0x0000e294,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1497 0xffc51000, 0x0000009c, 0xffcd1000, 0x0000209c,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1498 0xffd51000, 0x0000409c, 0xffde1000, 0x0000619c,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1499 0xffe61000, 0x0000819c, 0xffee1000, 0x0000a19c,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1500 0xfff61000, 0x0000c29c, 0xffff1000, 0x0000e29c,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1501 0xff001400, 0x000000a4, 0xff081400, 0x000020a4,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1502 0xff101400, 0x000040a4, 0xff181400, 0x000061a4,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1503 0xff201400, 0x000081a4, 0xff291400, 0x0000a1a4,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1504 0xff311400, 0x0000c2a4, 0xff391400, 0x0000e2a4,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1505 0xff411400, 0x000000ac, 0xff4a1400, 0x000020ac,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1506 0xff521400, 0x000040ac, 0xff5a1400, 0x000061ac,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1507 0xff621400, 0x000081ac, 0xff6a1400, 0x0000a1ac,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1508 0xff731400, 0x0000c2ac, 0xff7b1400, 0x0000e2ac,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1509 0xff831400, 0x000000b4, 0xff8b1400, 0x000020b4,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1510 0xff941400, 0x000040b4, 0xff9c1400, 0x000061b4,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1511 0xffa41400, 0x000081b4, 0xffac1400, 0x0000a1b4,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1512 0xffb41400, 0x0000c2b4, 0xffbd1400, 0x0000e2b4,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1513 0xffc51400, 0x000000bd, 0xffcd1400, 0x000020bd,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1514 0xffd51400, 0x000040bd, 0xffde1400, 0x000061bd,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1515 0xffe61400, 0x000081bd, 0xffee1400, 0x0000a1bd,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1516 0xfff61400, 0x0000c2bd, 0xffff1400, 0x0000e2bd,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1517 0xff001800, 0x000000c5, 0xff081800, 0x000020c5,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1518 0xff101800, 0x000040c5, 0xff181800, 0x000061c5,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1519 0xff201800, 0x000081c5, 0xff291800, 0x0000a1c5,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1520 0xff311800, 0x0000c2c5, 0xff391800, 0x0000e2c5,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1521 0xff411800, 0x000000cd, 0xff4a1800, 0x000020cd,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1522 0xff521800, 0x000040cd, 0xff5a1800, 0x000061cd,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1523 0xff621800, 0x000081cd, 0xff6a1800, 0x0000a1cd,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1524 0xff731800, 0x0000c2cd, 0xff7b1800, 0x0000e2cd,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1525 0xff831800, 0x000000d5, 0xff8b1800, 0x000020d5,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1526 0xff941800, 0x000040d5, 0xff9c1800, 0x000061d5,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1527 0xffa41800, 0x000081d5, 0xffac1800, 0x0000a1d5,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1528 0xffb41800, 0x0000c2d5, 0xffbd1800, 0x0000e2d5,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1529 0xffc51800, 0x000000de, 0xffcd1800, 0x000020de,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1530 0xffd51800, 0x000040de, 0xffde1800, 0x000061de,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1531 0xffe61800, 0x000081de, 0xffee1800, 0x0000a1de,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1532 0xfff61800, 0x0000c2de, 0xffff1800, 0x0000e2de,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1533 0xff001c00, 0x000000e6, 0xff081c00, 0x000020e6,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1534 0xff101c00, 0x000040e6, 0xff181c00, 0x000061e6,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1535 0xff201c00, 0x000081e6, 0xff291c00, 0x0000a1e6,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1536 0xff311c00, 0x0000c2e6, 0xff391c00, 0x0000e2e6,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1537 0xff411c00, 0x000000ee, 0xff4a1c00, 0x000020ee,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1538 0xff521c00, 0x000040ee, 0xff5a1c00, 0x000061ee,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1539 0xff621c00, 0x000081ee, 0xff6a1c00, 0x0000a1ee,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1540 0xff731c00, 0x0000c2ee, 0xff7b1c00, 0x0000e2ee,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1541 0xff831c00, 0x000000f6, 0xff8b1c00, 0x000020f6,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1542 0xff941c00, 0x000040f6, 0xff9c1c00, 0x000061f6,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1543 0xffa41c00, 0x000081f6, 0xffac1c00, 0x0000a1f6,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1544 0xffb41c00, 0x0000c2f6, 0xffbd1c00, 0x0000e2f6,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1545 0xffc51c00, 0x000000ff, 0xffcd1c00, 0x000020ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1546 0xffd51c00, 0x000040ff, 0xffde1c00, 0x000061ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1547 0xffe61c00, 0x000081ff, 0xffee1c00, 0x0000a1ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1548 0xfff61c00, 0x0000c2ff, 0xffff1c00, 0x0000e2ff
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1549 };
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1550 static void Blit_RGB565_ABGR8888(SDL_BlitInfo *info)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1551 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1552 Blit_RGB565_32(info, RGB565_ABGR8888_LUT);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1553 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1554
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1555 /* Special optimized blit for RGB 5-6-5 --> RGBA 8-8-8-8 */
91
e85e03f195b4 From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1556 static const Uint32 RGB565_RGBA8888_LUT[512] = {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1557 0x000000ff, 0x00000000, 0x000008ff, 0x00200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1558 0x000010ff, 0x00400000, 0x000018ff, 0x00610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1559 0x000020ff, 0x00810000, 0x000029ff, 0x00a10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1560 0x000031ff, 0x00c20000, 0x000039ff, 0x00e20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1561 0x000041ff, 0x08000000, 0x00004aff, 0x08200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1562 0x000052ff, 0x08400000, 0x00005aff, 0x08610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1563 0x000062ff, 0x08810000, 0x00006aff, 0x08a10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1564 0x000073ff, 0x08c20000, 0x00007bff, 0x08e20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1565 0x000083ff, 0x10000000, 0x00008bff, 0x10200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1566 0x000094ff, 0x10400000, 0x00009cff, 0x10610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1567 0x0000a4ff, 0x10810000, 0x0000acff, 0x10a10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1568 0x0000b4ff, 0x10c20000, 0x0000bdff, 0x10e20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1569 0x0000c5ff, 0x18000000, 0x0000cdff, 0x18200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1570 0x0000d5ff, 0x18400000, 0x0000deff, 0x18610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1571 0x0000e6ff, 0x18810000, 0x0000eeff, 0x18a10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1572 0x0000f6ff, 0x18c20000, 0x0000ffff, 0x18e20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1573 0x000400ff, 0x20000000, 0x000408ff, 0x20200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1574 0x000410ff, 0x20400000, 0x000418ff, 0x20610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1575 0x000420ff, 0x20810000, 0x000429ff, 0x20a10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1576 0x000431ff, 0x20c20000, 0x000439ff, 0x20e20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1577 0x000441ff, 0x29000000, 0x00044aff, 0x29200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1578 0x000452ff, 0x29400000, 0x00045aff, 0x29610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1579 0x000462ff, 0x29810000, 0x00046aff, 0x29a10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1580 0x000473ff, 0x29c20000, 0x00047bff, 0x29e20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1581 0x000483ff, 0x31000000, 0x00048bff, 0x31200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1582 0x000494ff, 0x31400000, 0x00049cff, 0x31610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1583 0x0004a4ff, 0x31810000, 0x0004acff, 0x31a10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1584 0x0004b4ff, 0x31c20000, 0x0004bdff, 0x31e20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1585 0x0004c5ff, 0x39000000, 0x0004cdff, 0x39200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1586 0x0004d5ff, 0x39400000, 0x0004deff, 0x39610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1587 0x0004e6ff, 0x39810000, 0x0004eeff, 0x39a10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1588 0x0004f6ff, 0x39c20000, 0x0004ffff, 0x39e20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1589 0x000800ff, 0x41000000, 0x000808ff, 0x41200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1590 0x000810ff, 0x41400000, 0x000818ff, 0x41610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1591 0x000820ff, 0x41810000, 0x000829ff, 0x41a10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1592 0x000831ff, 0x41c20000, 0x000839ff, 0x41e20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1593 0x000841ff, 0x4a000000, 0x00084aff, 0x4a200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1594 0x000852ff, 0x4a400000, 0x00085aff, 0x4a610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1595 0x000862ff, 0x4a810000, 0x00086aff, 0x4aa10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1596 0x000873ff, 0x4ac20000, 0x00087bff, 0x4ae20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1597 0x000883ff, 0x52000000, 0x00088bff, 0x52200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1598 0x000894ff, 0x52400000, 0x00089cff, 0x52610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1599 0x0008a4ff, 0x52810000, 0x0008acff, 0x52a10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1600 0x0008b4ff, 0x52c20000, 0x0008bdff, 0x52e20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1601 0x0008c5ff, 0x5a000000, 0x0008cdff, 0x5a200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1602 0x0008d5ff, 0x5a400000, 0x0008deff, 0x5a610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1603 0x0008e6ff, 0x5a810000, 0x0008eeff, 0x5aa10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1604 0x0008f6ff, 0x5ac20000, 0x0008ffff, 0x5ae20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1605 0x000c00ff, 0x62000000, 0x000c08ff, 0x62200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1606 0x000c10ff, 0x62400000, 0x000c18ff, 0x62610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1607 0x000c20ff, 0x62810000, 0x000c29ff, 0x62a10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1608 0x000c31ff, 0x62c20000, 0x000c39ff, 0x62e20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1609 0x000c41ff, 0x6a000000, 0x000c4aff, 0x6a200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1610 0x000c52ff, 0x6a400000, 0x000c5aff, 0x6a610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1611 0x000c62ff, 0x6a810000, 0x000c6aff, 0x6aa10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1612 0x000c73ff, 0x6ac20000, 0x000c7bff, 0x6ae20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1613 0x000c83ff, 0x73000000, 0x000c8bff, 0x73200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1614 0x000c94ff, 0x73400000, 0x000c9cff, 0x73610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1615 0x000ca4ff, 0x73810000, 0x000cacff, 0x73a10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1616 0x000cb4ff, 0x73c20000, 0x000cbdff, 0x73e20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1617 0x000cc5ff, 0x7b000000, 0x000ccdff, 0x7b200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1618 0x000cd5ff, 0x7b400000, 0x000cdeff, 0x7b610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1619 0x000ce6ff, 0x7b810000, 0x000ceeff, 0x7ba10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1620 0x000cf6ff, 0x7bc20000, 0x000cffff, 0x7be20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1621 0x001000ff, 0x83000000, 0x001008ff, 0x83200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1622 0x001010ff, 0x83400000, 0x001018ff, 0x83610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1623 0x001020ff, 0x83810000, 0x001029ff, 0x83a10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1624 0x001031ff, 0x83c20000, 0x001039ff, 0x83e20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1625 0x001041ff, 0x8b000000, 0x00104aff, 0x8b200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1626 0x001052ff, 0x8b400000, 0x00105aff, 0x8b610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1627 0x001062ff, 0x8b810000, 0x00106aff, 0x8ba10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1628 0x001073ff, 0x8bc20000, 0x00107bff, 0x8be20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1629 0x001083ff, 0x94000000, 0x00108bff, 0x94200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1630 0x001094ff, 0x94400000, 0x00109cff, 0x94610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1631 0x0010a4ff, 0x94810000, 0x0010acff, 0x94a10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1632 0x0010b4ff, 0x94c20000, 0x0010bdff, 0x94e20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1633 0x0010c5ff, 0x9c000000, 0x0010cdff, 0x9c200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1634 0x0010d5ff, 0x9c400000, 0x0010deff, 0x9c610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1635 0x0010e6ff, 0x9c810000, 0x0010eeff, 0x9ca10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1636 0x0010f6ff, 0x9cc20000, 0x0010ffff, 0x9ce20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1637 0x001400ff, 0xa4000000, 0x001408ff, 0xa4200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1638 0x001410ff, 0xa4400000, 0x001418ff, 0xa4610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1639 0x001420ff, 0xa4810000, 0x001429ff, 0xa4a10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1640 0x001431ff, 0xa4c20000, 0x001439ff, 0xa4e20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1641 0x001441ff, 0xac000000, 0x00144aff, 0xac200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1642 0x001452ff, 0xac400000, 0x00145aff, 0xac610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1643 0x001462ff, 0xac810000, 0x00146aff, 0xaca10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1644 0x001473ff, 0xacc20000, 0x00147bff, 0xace20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1645 0x001483ff, 0xb4000000, 0x00148bff, 0xb4200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1646 0x001494ff, 0xb4400000, 0x00149cff, 0xb4610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1647 0x0014a4ff, 0xb4810000, 0x0014acff, 0xb4a10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1648 0x0014b4ff, 0xb4c20000, 0x0014bdff, 0xb4e20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1649 0x0014c5ff, 0xbd000000, 0x0014cdff, 0xbd200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1650 0x0014d5ff, 0xbd400000, 0x0014deff, 0xbd610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1651 0x0014e6ff, 0xbd810000, 0x0014eeff, 0xbda10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1652 0x0014f6ff, 0xbdc20000, 0x0014ffff, 0xbde20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1653 0x001800ff, 0xc5000000, 0x001808ff, 0xc5200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1654 0x001810ff, 0xc5400000, 0x001818ff, 0xc5610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1655 0x001820ff, 0xc5810000, 0x001829ff, 0xc5a10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1656 0x001831ff, 0xc5c20000, 0x001839ff, 0xc5e20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1657 0x001841ff, 0xcd000000, 0x00184aff, 0xcd200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1658 0x001852ff, 0xcd400000, 0x00185aff, 0xcd610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1659 0x001862ff, 0xcd810000, 0x00186aff, 0xcda10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1660 0x001873ff, 0xcdc20000, 0x00187bff, 0xcde20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1661 0x001883ff, 0xd5000000, 0x00188bff, 0xd5200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1662 0x001894ff, 0xd5400000, 0x00189cff, 0xd5610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1663 0x0018a4ff, 0xd5810000, 0x0018acff, 0xd5a10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1664 0x0018b4ff, 0xd5c20000, 0x0018bdff, 0xd5e20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1665 0x0018c5ff, 0xde000000, 0x0018cdff, 0xde200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1666 0x0018d5ff, 0xde400000, 0x0018deff, 0xde610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1667 0x0018e6ff, 0xde810000, 0x0018eeff, 0xdea10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1668 0x0018f6ff, 0xdec20000, 0x0018ffff, 0xdee20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1669 0x001c00ff, 0xe6000000, 0x001c08ff, 0xe6200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1670 0x001c10ff, 0xe6400000, 0x001c18ff, 0xe6610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1671 0x001c20ff, 0xe6810000, 0x001c29ff, 0xe6a10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1672 0x001c31ff, 0xe6c20000, 0x001c39ff, 0xe6e20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1673 0x001c41ff, 0xee000000, 0x001c4aff, 0xee200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1674 0x001c52ff, 0xee400000, 0x001c5aff, 0xee610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1675 0x001c62ff, 0xee810000, 0x001c6aff, 0xeea10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1676 0x001c73ff, 0xeec20000, 0x001c7bff, 0xeee20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1677 0x001c83ff, 0xf6000000, 0x001c8bff, 0xf6200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1678 0x001c94ff, 0xf6400000, 0x001c9cff, 0xf6610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1679 0x001ca4ff, 0xf6810000, 0x001cacff, 0xf6a10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1680 0x001cb4ff, 0xf6c20000, 0x001cbdff, 0xf6e20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1681 0x001cc5ff, 0xff000000, 0x001ccdff, 0xff200000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1682 0x001cd5ff, 0xff400000, 0x001cdeff, 0xff610000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1683 0x001ce6ff, 0xff810000, 0x001ceeff, 0xffa10000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1684 0x001cf6ff, 0xffc20000, 0x001cffff, 0xffe20000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1685 };
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1686 static void Blit_RGB565_RGBA8888(SDL_BlitInfo *info)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1687 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1688 Blit_RGB565_32(info, RGB565_RGBA8888_LUT);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1689 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1690
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1691 /* Special optimized blit for RGB 5-6-5 --> BGRA 8-8-8-8 */
91
e85e03f195b4 From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1692 static const Uint32 RGB565_BGRA8888_LUT[512] = {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1693 0x00000000, 0x000000ff, 0x08000000, 0x002000ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1694 0x10000000, 0x004000ff, 0x18000000, 0x006100ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1695 0x20000000, 0x008100ff, 0x29000000, 0x00a100ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1696 0x31000000, 0x00c200ff, 0x39000000, 0x00e200ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1697 0x41000000, 0x000008ff, 0x4a000000, 0x002008ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1698 0x52000000, 0x004008ff, 0x5a000000, 0x006108ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1699 0x62000000, 0x008108ff, 0x6a000000, 0x00a108ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1700 0x73000000, 0x00c208ff, 0x7b000000, 0x00e208ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1701 0x83000000, 0x000010ff, 0x8b000000, 0x002010ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1702 0x94000000, 0x004010ff, 0x9c000000, 0x006110ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1703 0xa4000000, 0x008110ff, 0xac000000, 0x00a110ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1704 0xb4000000, 0x00c210ff, 0xbd000000, 0x00e210ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1705 0xc5000000, 0x000018ff, 0xcd000000, 0x002018ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1706 0xd5000000, 0x004018ff, 0xde000000, 0x006118ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1707 0xe6000000, 0x008118ff, 0xee000000, 0x00a118ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1708 0xf6000000, 0x00c218ff, 0xff000000, 0x00e218ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1709 0x00040000, 0x000020ff, 0x08040000, 0x002020ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1710 0x10040000, 0x004020ff, 0x18040000, 0x006120ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1711 0x20040000, 0x008120ff, 0x29040000, 0x00a120ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1712 0x31040000, 0x00c220ff, 0x39040000, 0x00e220ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1713 0x41040000, 0x000029ff, 0x4a040000, 0x002029ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1714 0x52040000, 0x004029ff, 0x5a040000, 0x006129ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1715 0x62040000, 0x008129ff, 0x6a040000, 0x00a129ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1716 0x73040000, 0x00c229ff, 0x7b040000, 0x00e229ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1717 0x83040000, 0x000031ff, 0x8b040000, 0x002031ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1718 0x94040000, 0x004031ff, 0x9c040000, 0x006131ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1719 0xa4040000, 0x008131ff, 0xac040000, 0x00a131ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1720 0xb4040000, 0x00c231ff, 0xbd040000, 0x00e231ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1721 0xc5040000, 0x000039ff, 0xcd040000, 0x002039ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1722 0xd5040000, 0x004039ff, 0xde040000, 0x006139ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1723 0xe6040000, 0x008139ff, 0xee040000, 0x00a139ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1724 0xf6040000, 0x00c239ff, 0xff040000, 0x00e239ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1725 0x00080000, 0x000041ff, 0x08080000, 0x002041ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1726 0x10080000, 0x004041ff, 0x18080000, 0x006141ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1727 0x20080000, 0x008141ff, 0x29080000, 0x00a141ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1728 0x31080000, 0x00c241ff, 0x39080000, 0x00e241ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1729 0x41080000, 0x00004aff, 0x4a080000, 0x00204aff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1730 0x52080000, 0x00404aff, 0x5a080000, 0x00614aff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1731 0x62080000, 0x00814aff, 0x6a080000, 0x00a14aff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1732 0x73080000, 0x00c24aff, 0x7b080000, 0x00e24aff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1733 0x83080000, 0x000052ff, 0x8b080000, 0x002052ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1734 0x94080000, 0x004052ff, 0x9c080000, 0x006152ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1735 0xa4080000, 0x008152ff, 0xac080000, 0x00a152ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1736 0xb4080000, 0x00c252ff, 0xbd080000, 0x00e252ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1737 0xc5080000, 0x00005aff, 0xcd080000, 0x00205aff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1738 0xd5080000, 0x00405aff, 0xde080000, 0x00615aff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1739 0xe6080000, 0x00815aff, 0xee080000, 0x00a15aff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1740 0xf6080000, 0x00c25aff, 0xff080000, 0x00e25aff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1741 0x000c0000, 0x000062ff, 0x080c0000, 0x002062ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1742 0x100c0000, 0x004062ff, 0x180c0000, 0x006162ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1743 0x200c0000, 0x008162ff, 0x290c0000, 0x00a162ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1744 0x310c0000, 0x00c262ff, 0x390c0000, 0x00e262ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1745 0x410c0000, 0x00006aff, 0x4a0c0000, 0x00206aff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1746 0x520c0000, 0x00406aff, 0x5a0c0000, 0x00616aff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1747 0x620c0000, 0x00816aff, 0x6a0c0000, 0x00a16aff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1748 0x730c0000, 0x00c26aff, 0x7b0c0000, 0x00e26aff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1749 0x830c0000, 0x000073ff, 0x8b0c0000, 0x002073ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1750 0x940c0000, 0x004073ff, 0x9c0c0000, 0x006173ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1751 0xa40c0000, 0x008173ff, 0xac0c0000, 0x00a173ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1752 0xb40c0000, 0x00c273ff, 0xbd0c0000, 0x00e273ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1753 0xc50c0000, 0x00007bff, 0xcd0c0000, 0x00207bff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1754 0xd50c0000, 0x00407bff, 0xde0c0000, 0x00617bff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1755 0xe60c0000, 0x00817bff, 0xee0c0000, 0x00a17bff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1756 0xf60c0000, 0x00c27bff, 0xff0c0000, 0x00e27bff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1757 0x00100000, 0x000083ff, 0x08100000, 0x002083ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1758 0x10100000, 0x004083ff, 0x18100000, 0x006183ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1759 0x20100000, 0x008183ff, 0x29100000, 0x00a183ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1760 0x31100000, 0x00c283ff, 0x39100000, 0x00e283ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1761 0x41100000, 0x00008bff, 0x4a100000, 0x00208bff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1762 0x52100000, 0x00408bff, 0x5a100000, 0x00618bff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1763 0x62100000, 0x00818bff, 0x6a100000, 0x00a18bff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1764 0x73100000, 0x00c28bff, 0x7b100000, 0x00e28bff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1765 0x83100000, 0x000094ff, 0x8b100000, 0x002094ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1766 0x94100000, 0x004094ff, 0x9c100000, 0x006194ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1767 0xa4100000, 0x008194ff, 0xac100000, 0x00a194ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1768 0xb4100000, 0x00c294ff, 0xbd100000, 0x00e294ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1769 0xc5100000, 0x00009cff, 0xcd100000, 0x00209cff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1770 0xd5100000, 0x00409cff, 0xde100000, 0x00619cff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1771 0xe6100000, 0x00819cff, 0xee100000, 0x00a19cff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1772 0xf6100000, 0x00c29cff, 0xff100000, 0x00e29cff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1773 0x00140000, 0x0000a4ff, 0x08140000, 0x0020a4ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1774 0x10140000, 0x0040a4ff, 0x18140000, 0x0061a4ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1775 0x20140000, 0x0081a4ff, 0x29140000, 0x00a1a4ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1776 0x31140000, 0x00c2a4ff, 0x39140000, 0x00e2a4ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1777 0x41140000, 0x0000acff, 0x4a140000, 0x0020acff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1778 0x52140000, 0x0040acff, 0x5a140000, 0x0061acff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1779 0x62140000, 0x0081acff, 0x6a140000, 0x00a1acff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1780 0x73140000, 0x00c2acff, 0x7b140000, 0x00e2acff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1781 0x83140000, 0x0000b4ff, 0x8b140000, 0x0020b4ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1782 0x94140000, 0x0040b4ff, 0x9c140000, 0x0061b4ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1783 0xa4140000, 0x0081b4ff, 0xac140000, 0x00a1b4ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1784 0xb4140000, 0x00c2b4ff, 0xbd140000, 0x00e2b4ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1785 0xc5140000, 0x0000bdff, 0xcd140000, 0x0020bdff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1786 0xd5140000, 0x0040bdff, 0xde140000, 0x0061bdff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1787 0xe6140000, 0x0081bdff, 0xee140000, 0x00a1bdff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1788 0xf6140000, 0x00c2bdff, 0xff140000, 0x00e2bdff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1789 0x00180000, 0x0000c5ff, 0x08180000, 0x0020c5ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1790 0x10180000, 0x0040c5ff, 0x18180000, 0x0061c5ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1791 0x20180000, 0x0081c5ff, 0x29180000, 0x00a1c5ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1792 0x31180000, 0x00c2c5ff, 0x39180000, 0x00e2c5ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1793 0x41180000, 0x0000cdff, 0x4a180000, 0x0020cdff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1794 0x52180000, 0x0040cdff, 0x5a180000, 0x0061cdff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1795 0x62180000, 0x0081cdff, 0x6a180000, 0x00a1cdff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1796 0x73180000, 0x00c2cdff, 0x7b180000, 0x00e2cdff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1797 0x83180000, 0x0000d5ff, 0x8b180000, 0x0020d5ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1798 0x94180000, 0x0040d5ff, 0x9c180000, 0x0061d5ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1799 0xa4180000, 0x0081d5ff, 0xac180000, 0x00a1d5ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1800 0xb4180000, 0x00c2d5ff, 0xbd180000, 0x00e2d5ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1801 0xc5180000, 0x0000deff, 0xcd180000, 0x0020deff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1802 0xd5180000, 0x0040deff, 0xde180000, 0x0061deff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1803 0xe6180000, 0x0081deff, 0xee180000, 0x00a1deff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1804 0xf6180000, 0x00c2deff, 0xff180000, 0x00e2deff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1805 0x001c0000, 0x0000e6ff, 0x081c0000, 0x0020e6ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1806 0x101c0000, 0x0040e6ff, 0x181c0000, 0x0061e6ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1807 0x201c0000, 0x0081e6ff, 0x291c0000, 0x00a1e6ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1808 0x311c0000, 0x00c2e6ff, 0x391c0000, 0x00e2e6ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1809 0x411c0000, 0x0000eeff, 0x4a1c0000, 0x0020eeff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1810 0x521c0000, 0x0040eeff, 0x5a1c0000, 0x0061eeff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1811 0x621c0000, 0x0081eeff, 0x6a1c0000, 0x00a1eeff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1812 0x731c0000, 0x00c2eeff, 0x7b1c0000, 0x00e2eeff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1813 0x831c0000, 0x0000f6ff, 0x8b1c0000, 0x0020f6ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1814 0x941c0000, 0x0040f6ff, 0x9c1c0000, 0x0061f6ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1815 0xa41c0000, 0x0081f6ff, 0xac1c0000, 0x00a1f6ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1816 0xb41c0000, 0x00c2f6ff, 0xbd1c0000, 0x00e2f6ff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1817 0xc51c0000, 0x0000ffff, 0xcd1c0000, 0x0020ffff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1818 0xd51c0000, 0x0040ffff, 0xde1c0000, 0x0061ffff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1819 0xe61c0000, 0x0081ffff, 0xee1c0000, 0x00a1ffff,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1820 0xf61c0000, 0x00c2ffff, 0xff1c0000, 0x00e2ffff
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1821 };
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1822 static void Blit_RGB565_BGRA8888(SDL_BlitInfo *info)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1823 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1824 Blit_RGB565_32(info, RGB565_BGRA8888_LUT);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1825 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1826
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1827 /* Special optimized blit for RGB 8-8-8 --> RGB 3-3-2 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1828 #ifndef RGB888_RGB332
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1829 #define RGB888_RGB332(dst, src) { \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1830 dst = (((src)&0x00E00000)>>16)| \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1831 (((src)&0x0000E000)>>11)| \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1832 (((src)&0x000000C0)>>6); \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1833 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1834 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1835 static void Blit_RGB888_index8_map(SDL_BlitInfo *info)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1836 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1837 #ifndef USE_DUFFS_LOOP
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1838 int c;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1839 #endif
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
1840 int Pixel;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1841 int width, height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1842 Uint32 *src;
91
e85e03f195b4 From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1843 const Uint8 *map;
e85e03f195b4 From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1844 Uint8 *dst;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1845 int srcskip, dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1846
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1847 /* Set up some basic variables */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1848 width = info->d_width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1849 height = info->d_height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1850 src = (Uint32 *)info->s_pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1851 srcskip = info->s_skip/4;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1852 dst = info->d_pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1853 dstskip = info->d_skip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1854 map = info->table;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1855
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1856 #ifdef USE_DUFFS_LOOP
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1857 while ( height-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1858 DUFFS_LOOP(
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
1859 RGB888_RGB332(Pixel, *src);
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
1860 *dst++ = map[Pixel];
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1861 ++src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1862 , width);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1863 src += srcskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1864 dst += dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1865 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1866 #else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1867 while ( height-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1868 for ( c=width/4; c; --c ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1869 /* Pack RGB into 8bit pixel */
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
1870 RGB888_RGB332(Pixel, *src);
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
1871 *dst++ = map[Pixel];
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1872 ++src;
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
1873 RGB888_RGB332(Pixel, *src);
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
1874 *dst++ = map[Pixel];
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1875 ++src;
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
1876 RGB888_RGB332(Pixel, *src);
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
1877 *dst++ = map[Pixel];
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1878 ++src;
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
1879 RGB888_RGB332(Pixel, *src);
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
1880 *dst++ = map[Pixel];
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1881 ++src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1882 }
91
e85e03f195b4 From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1883 switch ( width & 3 ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1884 case 3:
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
1885 RGB888_RGB332(Pixel, *src);
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
1886 *dst++ = map[Pixel];
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1887 ++src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1888 case 2:
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
1889 RGB888_RGB332(Pixel, *src);
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
1890 *dst++ = map[Pixel];
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1891 ++src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1892 case 1:
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
1893 RGB888_RGB332(Pixel, *src);
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
1894 *dst++ = map[Pixel];
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1895 ++src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1896 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1897 src += srcskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1898 dst += dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1899 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1900 #endif /* USE_DUFFS_LOOP */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1901 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1902 static void BlitNto1(SDL_BlitInfo *info)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1903 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1904 #ifndef USE_DUFFS_LOOP
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1905 int c;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1906 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1907 int width, height;
91
e85e03f195b4 From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1908 Uint8 *src;
e85e03f195b4 From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1909 const Uint8 *map;
e85e03f195b4 From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1910 Uint8 *dst;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1911 int srcskip, dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1912 int srcbpp;
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
1913 Uint32 Pixel;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1914 int sR, sG, sB;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1915 SDL_PixelFormat *srcfmt;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1916
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1917 /* Set up some basic variables */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1918 width = info->d_width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1919 height = info->d_height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1920 src = info->s_pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1921 srcskip = info->s_skip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1922 dst = info->d_pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1923 dstskip = info->d_skip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1924 map = info->table;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1925 srcfmt = info->src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1926 srcbpp = srcfmt->BytesPerPixel;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1927
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1928 if ( map == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1929 while ( height-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1930 #ifdef USE_DUFFS_LOOP
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1931 DUFFS_LOOP(
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
1932 DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1933 sR, sG, sB);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1934 if ( 1 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1935 /* Pack RGB into 8bit pixel */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1936 *dst = ((sR>>5)<<(3+2))|
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1937 ((sG>>5)<<(2)) |
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1938 ((sB>>6)<<(0)) ;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1939 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1940 dst++;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1941 src += srcbpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1942 , width);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1943 #else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1944 for ( c=width; c; --c ) {
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
1945 DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1946 sR, sG, sB);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1947 if ( 1 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1948 /* Pack RGB into 8bit pixel */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1949 *dst = ((sR>>5)<<(3+2))|
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1950 ((sG>>5)<<(2)) |
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1951 ((sB>>6)<<(0)) ;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1952 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1953 dst++;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1954 src += srcbpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1955 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1956 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1957 src += srcskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1958 dst += dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1959 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1960 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1961 while ( height-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1962 #ifdef USE_DUFFS_LOOP
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1963 DUFFS_LOOP(
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
1964 DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1965 sR, sG, sB);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1966 if ( 1 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1967 /* Pack RGB into 8bit pixel */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1968 *dst = map[((sR>>5)<<(3+2))|
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1969 ((sG>>5)<<(2)) |
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1970 ((sB>>6)<<(0)) ];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1971 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1972 dst++;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1973 src += srcbpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1974 , width);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1975 #else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1976 for ( c=width; c; --c ) {
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
1977 DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1978 sR, sG, sB);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1979 if ( 1 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1980 /* Pack RGB into 8bit pixel */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1981 *dst = map[((sR>>5)<<(3+2))|
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1982 ((sG>>5)<<(2)) |
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1983 ((sB>>6)<<(0)) ];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1984 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1985 dst++;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1986 src += srcbpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1987 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1988 #endif /* USE_DUFFS_LOOP */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1989 src += srcskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1990 dst += dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1991 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1992 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1993 }
1232
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
1994
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
1995 /* blits 32 bit RGB<->RGBA with both surfaces having the same R,G,B fields */
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
1996 static void Blit4to4MaskAlpha(SDL_BlitInfo *info)
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
1997 {
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
1998 int width = info->d_width;
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
1999 int height = info->d_height;
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2000 Uint32 *src = (Uint32 *)info->s_pixels;
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2001 int srcskip = info->s_skip;
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2002 Uint32 *dst = (Uint32 *)info->d_pixels;
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2003 int dstskip = info->d_skip;
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2004 SDL_PixelFormat *srcfmt = info->src;
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2005 SDL_PixelFormat *dstfmt = info->dst;
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2006
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2007 if (dstfmt->Amask) {
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2008 /* RGB->RGBA, SET_ALPHA */
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2009 Uint32 mask = (srcfmt->alpha >> dstfmt->Aloss) << dstfmt->Ashift;
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2010
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2011 while ( height-- ) {
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2012 DUFFS_LOOP(
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2013 {
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2014 *dst = *src | mask;
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2015 ++dst;
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2016 ++src;
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2017 },
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2018 width);
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2019 src = (Uint32*)((Uint8*)src + srcskip);
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2020 dst = (Uint32*)((Uint8*)dst + dstskip);
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2021 }
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2022 } else {
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2023 /* RGBA->RGB, NO_ALPHA */
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2024 Uint32 mask = srcfmt->Rmask | srcfmt->Gmask | srcfmt->Bmask;
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2025
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2026 while ( height-- ) {
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2027 DUFFS_LOOP(
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2028 {
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2029 *dst = *src & mask;
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2030 ++dst;
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2031 ++src;
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2032 },
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2033 width);
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2034 src = (Uint32*)((Uint8*)src + srcskip);
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2035 dst = (Uint32*)((Uint8*)dst + dstskip);
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2036 }
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2037 }
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2038 }
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2039
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2040 static void BlitNtoN(SDL_BlitInfo *info)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2041 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2042 int width = info->d_width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2043 int height = info->d_height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2044 Uint8 *src = info->s_pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2045 int srcskip = info->s_skip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2046 Uint8 *dst = info->d_pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2047 int dstskip = info->d_skip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2048 SDL_PixelFormat *srcfmt = info->src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2049 int srcbpp = srcfmt->BytesPerPixel;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2050 SDL_PixelFormat *dstfmt = info->dst;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2051 int dstbpp = dstfmt->BytesPerPixel;
431
41cadcba32e8 Fixed SDL_DisplayFormatAlpha() on RGB surfaces with alpha
Sam Lantinga <slouken@libsdl.org>
parents: 366
diff changeset
2052 unsigned alpha = dstfmt->Amask ? srcfmt->alpha : 0;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2053
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2054 while ( height-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2055 DUFFS_LOOP(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2056 {
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
2057 Uint32 Pixel;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2058 unsigned sR;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2059 unsigned sG;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2060 unsigned sB;
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
2061 DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, sR, sG, sB);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2062 ASSEMBLE_RGBA(dst, dstbpp, dstfmt, sR, sG, sB, alpha);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2063 dst += dstbpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2064 src += srcbpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2065 },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2066 width);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2067 src += srcskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2068 dst += dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2069 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2070 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2071
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2072 static void BlitNtoNCopyAlpha(SDL_BlitInfo *info)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2073 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2074 int width = info->d_width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2075 int height = info->d_height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2076 Uint8 *src = info->s_pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2077 int srcskip = info->s_skip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2078 Uint8 *dst = info->d_pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2079 int dstskip = info->d_skip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2080 SDL_PixelFormat *srcfmt = info->src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2081 int srcbpp = srcfmt->BytesPerPixel;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2082 SDL_PixelFormat *dstfmt = info->dst;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2083 int dstbpp = dstfmt->BytesPerPixel;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2084 int c;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2085
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2086 /* FIXME: should map alpha to [0..255] correctly! */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2087 while ( height-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2088 for ( c=width; c; --c ) {
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
2089 Uint32 Pixel;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2090 unsigned sR, sG, sB, sA;
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
2091 DISEMBLE_RGBA(src, srcbpp, srcfmt, Pixel,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2092 sR, sG, sB, sA);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2093 ASSEMBLE_RGBA(dst, dstbpp, dstfmt,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2094 sR, sG, sB, sA);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2095 dst += dstbpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2096 src += srcbpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2097 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2098 src += srcskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2099 dst += dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2100 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2101 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2102
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2103 static void BlitNto1Key(SDL_BlitInfo *info)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2104 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2105 int width = info->d_width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2106 int height = info->d_height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2107 Uint8 *src = info->s_pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2108 int srcskip = info->s_skip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2109 Uint8 *dst = info->d_pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2110 int dstskip = info->d_skip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2111 SDL_PixelFormat *srcfmt = info->src;
91
e85e03f195b4 From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2112 const Uint8 *palmap = info->table;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2113 Uint32 ckey = srcfmt->colorkey;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2114 Uint32 rgbmask = ~srcfmt->Amask;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2115 int srcbpp;
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
2116 Uint32 Pixel;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2117 Uint8 sR, sG, sB;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2118
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2119 /* Set up some basic variables */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2120 srcbpp = srcfmt->BytesPerPixel;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2121 ckey &= rgbmask;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2122
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2123 if ( palmap == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2124 while ( height-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2125 DUFFS_LOOP(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2126 {
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
2127 DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2128 sR, sG, sB);
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
2129 if ( (Pixel & rgbmask) != ckey ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2130 /* Pack RGB into 8bit pixel */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2131 *dst = ((sR>>5)<<(3+2))|
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2132 ((sG>>5)<<(2)) |
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2133 ((sB>>6)<<(0)) ;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2134 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2135 dst++;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2136 src += srcbpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2137 },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2138 width);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2139 src += srcskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2140 dst += dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2141 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2142 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2143 while ( height-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2144 DUFFS_LOOP(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2145 {
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
2146 DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2147 sR, sG, sB);
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
2148 if ( (Pixel & rgbmask) != ckey ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2149 /* Pack RGB into 8bit pixel */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2150 *dst = palmap[((sR>>5)<<(3+2))|
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2151 ((sG>>5)<<(2)) |
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2152 ((sB>>6)<<(0)) ];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2153 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2154 dst++;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2155 src += srcbpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2156 },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2157 width);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2158 src += srcskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2159 dst += dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2160 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2161 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2162 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2163
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2164 static void Blit2to2Key(SDL_BlitInfo *info)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2165 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2166 int width = info->d_width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2167 int height = info->d_height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2168 Uint16 *srcp = (Uint16 *)info->s_pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2169 int srcskip = info->s_skip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2170 Uint16 *dstp = (Uint16 *)info->d_pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2171 int dstskip = info->d_skip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2172 Uint32 ckey = info->src->colorkey;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2173 Uint32 rgbmask = ~info->src->Amask;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2174
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2175 /* Set up some basic variables */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2176 srcskip /= 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2177 dstskip /= 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2178 ckey &= rgbmask;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2179
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2180 while ( height-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2181 DUFFS_LOOP(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2182 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2183 if ( (*srcp & rgbmask) != ckey ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2184 *dstp = *srcp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2185 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2186 dstp++;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2187 srcp++;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2188 },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2189 width);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2190 srcp += srcskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2191 dstp += dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2192 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2193 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2194
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2195 static void BlitNtoNKey(SDL_BlitInfo *info)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2196 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2197 int width = info->d_width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2198 int height = info->d_height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2199 Uint8 *src = info->s_pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2200 int srcskip = info->s_skip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2201 Uint8 *dst = info->d_pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2202 int dstskip = info->d_skip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2203 Uint32 ckey = info->src->colorkey;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2204 SDL_PixelFormat *srcfmt = info->src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2205 SDL_PixelFormat *dstfmt = info->dst;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2206 int srcbpp = srcfmt->BytesPerPixel;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2207 int dstbpp = dstfmt->BytesPerPixel;
431
41cadcba32e8 Fixed SDL_DisplayFormatAlpha() on RGB surfaces with alpha
Sam Lantinga <slouken@libsdl.org>
parents: 366
diff changeset
2208 unsigned alpha = dstfmt->Amask ? srcfmt->alpha : 0;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2209
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2210 while ( height-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2211 DUFFS_LOOP(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2212 {
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
2213 Uint32 Pixel;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2214 unsigned sR;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2215 unsigned sG;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2216 unsigned sB;
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
2217 RETRIEVE_RGB_PIXEL(src, srcbpp, Pixel);
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
2218 if ( Pixel != ckey ) {
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
2219 RGB_FROM_PIXEL(Pixel, srcfmt, sR, sG, sB);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2220 ASSEMBLE_RGBA(dst, dstbpp, dstfmt,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2221 sR, sG, sB, alpha);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2222 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2223 dst += dstbpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2224 src += srcbpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2225 },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2226 width);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2227 src += srcskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2228 dst += dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2229 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2230 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2231
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2232 static void BlitNtoNKeyCopyAlpha(SDL_BlitInfo *info)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2233 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2234 int width = info->d_width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2235 int height = info->d_height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2236 Uint8 *src = info->s_pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2237 int srcskip = info->s_skip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2238 Uint8 *dst = info->d_pixels;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2239 int dstskip = info->d_skip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2240 Uint32 ckey = info->src->colorkey;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2241 SDL_PixelFormat *srcfmt = info->src;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2242 SDL_PixelFormat *dstfmt = info->dst;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2243 Uint32 rgbmask = ~srcfmt->Amask;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2244
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2245 Uint8 srcbpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2246 Uint8 dstbpp;
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
2247 Uint32 Pixel;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2248 Uint8 sR, sG, sB, sA;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2249
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2250 /* Set up some basic variables */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2251 srcbpp = srcfmt->BytesPerPixel;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2252 dstbpp = dstfmt->BytesPerPixel;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2253 ckey &= rgbmask;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2254
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2255 /* FIXME: should map alpha to [0..255] correctly! */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2256 while ( height-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2257 DUFFS_LOOP(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2258 {
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
2259 DISEMBLE_RGBA(src, srcbpp, srcfmt, Pixel,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2260 sR, sG, sB, sA);
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1139
diff changeset
2261 if ( (Pixel & rgbmask) != ckey ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2262 ASSEMBLE_RGBA(dst, dstbpp, dstfmt,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2263 sR, sG, sB, sA);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2264 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2265 dst += dstbpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2266 src += srcbpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2267 },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2268 width);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2269 src += srcskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2270 dst += dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2271 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2272 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2273
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2274 /* Normal N to N optimized blitters */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2275 struct blit_table {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2276 Uint32 srcR, srcG, srcB;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2277 int dstbpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2278 Uint32 dstR, dstG, dstB;
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2279 Uint32 blit_features;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2280 void *aux_data;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2281 SDL_loblit blitfunc;
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2282 enum { NO_ALPHA=1, SET_ALPHA=2, COPY_ALPHA=4 } alpha;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2283 };
91
e85e03f195b4 From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2284 static const struct blit_table normal_blit_1[] = {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2285 /* Default for 8-bit RGB source, an invalid combination */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2286 { 0,0,0, 0, 0,0,0, 0, NULL, NULL },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2287 };
91
e85e03f195b4 From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2288 static const struct blit_table normal_blit_2[] = {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2289 #ifdef USE_ASMBLIT
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2290 { 0x0000F800,0x000007E0,0x0000001F, 2, 0x0000001F,0x000007E0,0x0000F800,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2291 0, ConvertX86p16_16BGR565, ConvertX86, NO_ALPHA },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2292 { 0x0000F800,0x000007E0,0x0000001F, 2, 0x00007C00,0x000003E0,0x0000001F,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2293 0, ConvertX86p16_16RGB555, ConvertX86, NO_ALPHA },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2294 { 0x0000F800,0x000007E0,0x0000001F, 2, 0x0000001F,0x000003E0,0x00007C00,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2295 0, ConvertX86p16_16BGR555, ConvertX86, NO_ALPHA },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2296 #endif
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2297 #ifdef USE_ALTIVEC_BLITTERS
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2298 /* has-altivec */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2299 { 0x0000F800,0x000007E0,0x0000001F, 4, 0x00000000,0x00000000,0x00000000,
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2300 2, NULL, Blit_RGB565_32Altivec, NO_ALPHA | COPY_ALPHA | SET_ALPHA },
1139
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
2301 { 0x00007C00,0x000003E0,0x0000001F, 4, 0x00000000,0x00000000,0x00000000,
d0ae4dff7208 Altivec blitter for 555 -> 8888 surface, written by me.
Ryan C. Gordon <icculus@icculus.org>
parents: 1053
diff changeset
2302 2, NULL, Blit_RGB555_32Altivec, NO_ALPHA | COPY_ALPHA | SET_ALPHA },
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2303 #endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2304 { 0x0000F800,0x000007E0,0x0000001F, 4, 0x00FF0000,0x0000FF00,0x000000FF,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2305 0, NULL, Blit_RGB565_ARGB8888, SET_ALPHA },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2306 { 0x0000F800,0x000007E0,0x0000001F, 4, 0x000000FF,0x0000FF00,0x00FF0000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2307 0, NULL, Blit_RGB565_ABGR8888, SET_ALPHA },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2308 { 0x0000F800,0x000007E0,0x0000001F, 4, 0xFF000000,0x00FF0000,0x0000FF00,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2309 0, NULL, Blit_RGB565_RGBA8888, SET_ALPHA },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2310 { 0x0000F800,0x000007E0,0x0000001F, 4, 0x0000FF00,0x00FF0000,0xFF000000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2311 0, NULL, Blit_RGB565_BGRA8888, SET_ALPHA },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2312
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2313 /* Default for 16-bit RGB source, used if no other blitter matches */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2314 { 0,0,0, 0, 0,0,0, 0, NULL, BlitNtoN, 0 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2315 };
91
e85e03f195b4 From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2316 static const struct blit_table normal_blit_3[] = {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2317 /* Default for 24-bit RGB source, never optimized */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2318 { 0,0,0, 0, 0,0,0, 0, NULL, BlitNtoN, 0 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2319 };
91
e85e03f195b4 From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2320 static const struct blit_table normal_blit_4[] = {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2321 #ifdef USE_ASMBLIT
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2322 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000F800,0x000007E0,0x0000001F,
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 431
diff changeset
2323 1, ConvertMMXpII32_16RGB565, ConvertMMX, NO_ALPHA },
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2324 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000F800,0x000007E0,0x0000001F,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2325 0, ConvertX86p32_16RGB565, ConvertX86, NO_ALPHA },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2326 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000007E0,0x0000F800,
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 431
diff changeset
2327 1, ConvertMMXpII32_16BGR565, ConvertMMX, NO_ALPHA },
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2328 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000007E0,0x0000F800,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2329 0, ConvertX86p32_16BGR565, ConvertX86, NO_ALPHA },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2330 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x00007C00,0x000003E0,0x0000001F,
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 431
diff changeset
2331 1, ConvertMMXpII32_16RGB555, ConvertMMX, NO_ALPHA },
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2332 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x00007C00,0x000003E0,0x0000001F,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2333 0, ConvertX86p32_16RGB555, ConvertX86, NO_ALPHA },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2334 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000003E0,0x00007C00,
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 431
diff changeset
2335 1, ConvertMMXpII32_16BGR555, ConvertMMX, NO_ALPHA },
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2336 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000003E0,0x00007C00,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2337 0, ConvertX86p32_16BGR555, ConvertX86, NO_ALPHA },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2338 { 0x00FF0000,0x0000FF00,0x000000FF, 3, 0x00FF0000,0x0000FF00,0x000000FF,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2339 0, ConvertX86p32_24RGB888, ConvertX86, NO_ALPHA },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2340 { 0x00FF0000,0x0000FF00,0x000000FF, 3, 0x000000FF,0x0000FF00,0x00FF0000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2341 0, ConvertX86p32_24BGR888, ConvertX86, NO_ALPHA },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2342 { 0x00FF0000,0x0000FF00,0x000000FF, 4, 0x000000FF,0x0000FF00,0x00FF0000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2343 0, ConvertX86p32_32BGR888, ConvertX86, NO_ALPHA },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2344 { 0x00FF0000,0x0000FF00,0x000000FF, 4, 0xFF000000,0x00FF0000,0x0000FF00,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2345 0, ConvertX86p32_32RGBA888, ConvertX86, NO_ALPHA },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2346 { 0x00FF0000,0x0000FF00,0x000000FF, 4, 0x0000FF00,0x00FF0000,0xFF000000,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2347 0, ConvertX86p32_32BGRA888, ConvertX86, NO_ALPHA },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2348 #else
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2349 #ifdef USE_ALTIVEC_BLITTERS
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2350 /* has-altivec | dont-use-prefetch */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2351 { 0x00000000,0x00000000,0x00000000, 4, 0x00000000,0x00000000,0x00000000,
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2352 6, NULL, ConvertAltivec32to32_noprefetch, NO_ALPHA | COPY_ALPHA | SET_ALPHA },
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2353 /* has-altivec */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2354 { 0x00000000,0x00000000,0x00000000, 4, 0x00000000,0x00000000,0x00000000,
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2355 2, NULL, ConvertAltivec32to32_prefetch, NO_ALPHA | COPY_ALPHA | SET_ALPHA },
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2356 /* has-altivec */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2357 { 0x00000000,0x00000000,0x00000000, 2, 0x0000F800,0x000007E0,0x0000001F,
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2358 2, NULL, Blit_RGB888_RGB565Altivec, NO_ALPHA },
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2359 #endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2360 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000F800,0x000007E0,0x0000001F,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2361 0, NULL, Blit_RGB888_RGB565, NO_ALPHA },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2362 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x00007C00,0x000003E0,0x0000001F,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2363 0, NULL, Blit_RGB888_RGB555, NO_ALPHA },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2364 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2365 /* Default for 32-bit RGB source, used if no other blitter matches */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2366 { 0,0,0, 0, 0,0,0, 0, NULL, BlitNtoN, 0 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2367 };
91
e85e03f195b4 From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2368 static const struct blit_table *normal_blit[] = {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2369 normal_blit_1, normal_blit_2, normal_blit_3, normal_blit_4
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2370 };
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2371
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2372 /* Mask matches table, or table entry is zero */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2373 #define MASKOK(x, y) (((x) == (y)) || ((y) == 0x00000000))
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2374
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2375 SDL_loblit SDL_CalculateBlitN(SDL_Surface *surface, int blit_index)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2376 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2377 struct private_swaccel *sdata;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2378 SDL_PixelFormat *srcfmt;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2379 SDL_PixelFormat *dstfmt;
91
e85e03f195b4 From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2380 const struct blit_table *table;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2381 int which;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2382 SDL_loblit blitfun;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2383
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2384 /* Set up data for choosing the blit */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2385 sdata = surface->map->sw_data;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2386 srcfmt = surface->format;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2387 dstfmt = surface->map->dst->format;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2388
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2389 if ( blit_index & 2 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2390 /* alpha or alpha+colorkey */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2391 return SDL_CalculateAlphaBlit(surface, blit_index);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2392 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2393
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2394 /* We don't support destinations less than 8-bits */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2395 if ( dstfmt->BitsPerPixel < 8 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2396 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2397 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2398
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2399 if(blit_index == 1) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2400 /* colorkey blit: Here we don't have too many options, mostly
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2401 because RLE is the preferred fast way to deal with this.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2402 If a particular case turns out to be useful we'll add it. */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2403
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2404 if(srcfmt->BytesPerPixel == 2
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2405 && surface->map->identity)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2406 return Blit2to2Key;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2407 else if(dstfmt->BytesPerPixel == 1)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2408 return BlitNto1Key;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2409 else {
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2410 #ifdef USE_ALTIVEC_BLITTERS
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2411 if((srcfmt->BytesPerPixel == 4) && (dstfmt->BytesPerPixel == 4) && SDL_HasAltiVec()) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2412 return Blit32to32KeyAltivec;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2413 } else
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2414 #endif
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2415
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2416 if(srcfmt->Amask && dstfmt->Amask)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2417 return BlitNtoNKeyCopyAlpha;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2418 else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2419 return BlitNtoNKey;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2420 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2421 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2422
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2423 blitfun = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2424 if ( dstfmt->BitsPerPixel == 8 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2425 /* We assume 8-bit destinations are palettized */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2426 if ( (srcfmt->BytesPerPixel == 4) &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2427 (srcfmt->Rmask == 0x00FF0000) &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2428 (srcfmt->Gmask == 0x0000FF00) &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2429 (srcfmt->Bmask == 0x000000FF) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2430 if ( surface->map->table ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2431 blitfun = Blit_RGB888_index8_map;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2432 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2433 #ifdef USE_ASMBLIT
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2434 sdata->aux_data = ConvertX86p32_8RGB332;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2435 blitfun = ConvertX86;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2436 #else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2437 blitfun = Blit_RGB888_index8;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2438 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2439 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2440 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2441 blitfun = BlitNto1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2442 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2443 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2444 /* Now the meat, choose the blitter we want */
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2445 int a_need = 0;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2446 if(dstfmt->Amask)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2447 a_need = srcfmt->Amask ? COPY_ALPHA : SET_ALPHA;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2448 table = normal_blit[srcfmt->BytesPerPixel-1];
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2449 for ( which=0; table[which].dstbpp; ++which ) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2450 if ( MASKOK(srcfmt->Rmask, table[which].srcR) &&
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2451 MASKOK(srcfmt->Gmask, table[which].srcG) &&
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2452 MASKOK(srcfmt->Bmask, table[which].srcB) &&
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2453 MASKOK(dstfmt->Rmask, table[which].dstR) &&
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2454 MASKOK(dstfmt->Gmask, table[which].dstG) &&
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2455 MASKOK(dstfmt->Bmask, table[which].dstB) &&
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2456 dstfmt->BytesPerPixel == table[which].dstbpp &&
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2457 (a_need & table[which].alpha) == a_need &&
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
2458 ((table[which].blit_features & GetBlitFeatures()) == table[which].blit_features) )
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2459 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2460 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2461 sdata->aux_data = table[which].aux_data;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2462 blitfun = table[which].blitfunc;
1232
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2463
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2464 if(blitfun == BlitNtoN) { /* default C fallback catch-all. Slow! */
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2465 /* Fastpath C fallback: 32bit RGB<->RGBA blit with matching RGB */
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2466 if ( srcfmt->BytesPerPixel == 4 && dstfmt->BytesPerPixel == 4 &&
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2467 srcfmt->Rmask == dstfmt->Rmask &&
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2468 srcfmt->Gmask == dstfmt->Gmask &&
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2469 srcfmt->Bmask == dstfmt->Bmask ) {
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2470 blitfun = Blit4to4MaskAlpha;
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2471 } else if ( a_need == COPY_ALPHA ) {
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2472 blitfun = BlitNtoNCopyAlpha;
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2473 }
0aa0000081d5 Added optimized C 32bit RGB<->RGBA alpha masking blitter from Alex Volkov.
Ryan C. Gordon <icculus@icculus.org>
parents: 1224
diff changeset
2474 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2475 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2476
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2477 #ifdef DEBUG_ASM
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2478 #ifdef USE_ASMBLIT
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2479 if ( blitfun == ConvertMMX )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2480 fprintf(stderr, "Using mmx blit\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2481 else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2482 if ( blitfun == ConvertX86 )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2483 fprintf(stderr, "Using asm blit\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2484 else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2485 #endif
1224
f033d9589ca1 Debug code should check right function names.
Ryan C. Gordon <icculus@icculus.org>
parents: 1175
diff changeset
2486 if ( (blitfun == BlitNtoN) || (blitfun == BlitNto1) )
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2487 fprintf(stderr, "Using C blit\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2488 else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2489 fprintf(stderr, "Using optimized C blit\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2490 #endif /* DEBUG_ASM */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2491
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2492 return(blitfun);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2493 }