annotate src/video/SDL_yuv_mmx.c @ 1038:29d7db09776e

Ugly hack to make this work with gcc 2.x and 3.x Thanks to Stephane Marchesin for the dirty dirty work.
author Sam Lantinga <slouken@libsdl.org>
date Sun, 13 Feb 2005 07:10:02 +0000
parents e0d96eb0af19
children 63fb2da89a4b
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
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29 #if defined(i386) && defined(__GNUC__) && defined(USE_ASMBLIT)
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30
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31 #include "SDL_types.h"
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32
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33 #if __GNUC__ > 2
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34 # undef GCC2_HACK
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35 #else
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36 # define GCC2_HACK
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37 #endif
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38
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39
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40 #if defined(GCC2_HACK) && defined (__ELF__)
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41 #define ASM_VAR(X) _##X
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42 #else
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43 #define ASM_VAR(X) X
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44 #endif
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45
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46 static volatile unsigned int ASM_VAR(MMX_0080w)[] = {0x00800080, 0x00800080};
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47 static volatile unsigned int ASM_VAR(MMX_00FFw)[] = {0x00ff00ff, 0x00ff00ff};
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48 static volatile unsigned int ASM_VAR(MMX_FF00w)[] = {0xff00ff00, 0xff00ff00};
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49
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50 static volatile unsigned short ASM_VAR(MMX_Ycoeff)[] = {0x004a, 0x004a, 0x004a, 0x004a};
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51
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52 static volatile unsigned short ASM_VAR(MMX_UbluRGB)[] = {0x0072, 0x0072, 0x0072, 0x0072};
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53 static volatile unsigned short ASM_VAR(MMX_VredRGB)[] = {0x0059, 0x0059, 0x0059, 0x0059};
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54 static volatile unsigned short ASM_VAR(MMX_UgrnRGB)[] = {0xffea, 0xffea, 0xffea, 0xffea};
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55 static volatile unsigned short ASM_VAR(MMX_VgrnRGB)[] = {0xffd2, 0xffd2, 0xffd2, 0xffd2};
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56
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57 static volatile unsigned short ASM_VAR(MMX_Ublu5x5)[] = {0x0081, 0x0081, 0x0081, 0x0081};
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58 static volatile unsigned short ASM_VAR(MMX_Vred5x5)[] = {0x0066, 0x0066, 0x0066, 0x0066};
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59 static volatile unsigned short ASM_VAR(MMX_Ugrn555)[] = {0xffe7, 0xffe7, 0xffe7, 0xffe7};
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60 static volatile unsigned short ASM_VAR(MMX_Vgrn555)[] = {0xffcc, 0xffcc, 0xffcc, 0xffcc};
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61 static volatile unsigned short ASM_VAR(MMX_Ugrn565)[] = {0xffe8, 0xffe8, 0xffe8, 0xffe8};
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62 static volatile unsigned short ASM_VAR(MMX_Vgrn565)[] = {0xffcd, 0xffcd, 0xffcd, 0xffcd};
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63
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64 static volatile unsigned short ASM_VAR(MMX_red555)[] = {0x7c00, 0x7c00, 0x7c00, 0x7c00};
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65 static volatile unsigned short ASM_VAR(MMX_red565)[] = {0xf800, 0xf800, 0xf800, 0xf800};
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66 static volatile unsigned short ASM_VAR(MMX_grn555)[] = {0x03e0, 0x03e0, 0x03e0, 0x03e0};
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67 static volatile unsigned short ASM_VAR(MMX_grn565)[] = {0x07e0, 0x07e0, 0x07e0, 0x07e0};
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68 static volatile unsigned short ASM_VAR(MMX_blu5x5)[] = {0x001f, 0x001f, 0x001f, 0x001f};
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69
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70 /**
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71 This MMX assembler is my first assembler/MMX program ever.
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72 Thus it maybe buggy.
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73 Send patches to:
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74 mvogt@rhrk.uni-kl.de
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75
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76 After it worked fine I have "obfuscated" the code a bit to have
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77 more parallism in the MMX units. This means I moved
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78 initilisation around and delayed other instruction.
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79 Performance measurement did not show that this brought any advantage
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80 but in theory it _should_ be faster this way.
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81
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82 The overall performanve gain to the C based dither was 30%-40%.
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83 The MMX routine calculates 256bit=8RGB values in each cycle
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84 (4 for row1 & 4 for row2)
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85
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86 The red/green/blue.. coefficents are taken from the mpeg_play
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87 player. They look nice, but I dont know if you can have
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88 better values, to avoid integer rounding errors.
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89
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90
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91 IMPORTANT:
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92 ==========
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93
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94 It is a requirement that the cr/cb/lum are 8 byte aligned and
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95 the out are 16byte aligned or you will/may get segfaults
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96
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97 */
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98
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99 void ColorRGBDitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix,
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100 unsigned char *lum, unsigned char *cr,
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101 unsigned char *cb, unsigned char *out,
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102 int rows, int cols, int mod )
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103 {
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104 Uint32 *row1;
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105 Uint32 *row2;
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106
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107 unsigned char* y = lum +cols*rows; // Pointer to the end
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108 int x=0;
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109 row1 = (Uint32 *)out; // 32 bit target
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110 row2 = (Uint32 *)out+cols+mod; // start of second row
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111 mod = (mod+cols+mod)*4; // increment for row1 in byte
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112
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113 __asm__ __volatile__ (
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114 /* We don't really care about PIC - the code should be rewritten to use
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115 relative addressing for the static tables, so right now we take the
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116 COW hit on the pages this code resides. Big deal.
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117 This spill is just to reduce register pressure in the PIC case. */
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118 "pushl %%ebx\n"
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119 "movl %0, %%ebx\n"
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120
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121 ".align 8\n"
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122 "1:\n"
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123
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124 // create Cr (result in mm1)
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125 "movd (%%ebx), %%mm1\n" // 0 0 0 0 v3 v2 v1 v0
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126 "pxor %%mm7,%%mm7\n" // 00 00 00 00 00 00 00 00
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127 "movd (%2), %%mm2\n" // 0 0 0 0 l3 l2 l1 l0
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128 "punpcklbw %%mm7,%%mm1\n" // 0 v3 0 v2 00 v1 00 v0
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129 "punpckldq %%mm1,%%mm1\n" // 00 v1 00 v0 00 v1 00 v0
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130 #ifdef GCC2_HACK
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131 "psubw _MMX_0080w,%%mm1\n" // mm1-128:r1 r1 r0 r0 r1 r1 r0 r0
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132 #else
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133 "psubw %[_MMX_0080w],%%mm1\n" // mm1-128:r1 r1 r0 r0 r1 r1 r0 r0
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134 #endif
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135
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136 // create Cr_g (result in mm0)
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137 "movq %%mm1,%%mm0\n" // r1 r1 r0 r0 r1 r1 r0 r0
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138 #ifdef GCC2_HACK
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139 "pmullw _MMX_VgrnRGB,%%mm0\n"// red*-46dec=0.7136*64
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parents: 949
diff changeset
140 "pmullw _MMX_VredRGB,%%mm1\n"// red*89dec=1.4013*64
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
141 #else
887
b4b64bb88f2f Date: Mon, 10 May 2004 10:17:46 -0400
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parents: 769
diff changeset
142 "pmullw %[_MMX_VgrnRGB],%%mm0\n"// red*-46dec=0.7136*64
b4b64bb88f2f Date: Mon, 10 May 2004 10:17:46 -0400
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parents: 769
diff changeset
143 "pmullw %[_MMX_VredRGB],%%mm1\n"// red*89dec=1.4013*64
1038
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Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
144 #endif
0
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parents:
diff changeset
145 "psraw $6, %%mm0\n" // red=red/64
74212992fb08 Initial revision
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parents:
diff changeset
146 "psraw $6, %%mm1\n" // red=red/64
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parents:
diff changeset
147
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diff changeset
148 // create L1 L2 (result in mm2,mm4)
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diff changeset
149 // L2=lum+cols
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diff changeset
150 "movq (%2,%4),%%mm3\n" // 0 0 0 0 L3 L2 L1 L0
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parents:
diff changeset
151 "punpckldq %%mm3,%%mm2\n" // L3 L2 L1 L0 l3 l2 l1 l0
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parents:
diff changeset
152 "movq %%mm2,%%mm4\n" // L3 L2 L1 L0 l3 l2 l1 l0
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
153 #ifdef GCC2_HACK
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
154 "pand _MMX_FF00w,%%mm2\n" // L3 0 L1 0 l3 0 l1 0
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
155 "pand _MMX_00FFw,%%mm4\n" // 0 L2 0 L0 0 l2 0 l0
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
156 #else
887
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Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
157 "pand %[_MMX_FF00w],%%mm2\n" // L3 0 L1 0 l3 0 l1 0
b4b64bb88f2f Date: Mon, 10 May 2004 10:17:46 -0400
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
158 "pand %[_MMX_00FFw],%%mm4\n" // 0 L2 0 L0 0 l2 0 l0
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
159 #endif
0
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parents:
diff changeset
160 "psrlw $8,%%mm2\n" // 0 L3 0 L1 0 l3 0 l1
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parents:
diff changeset
161
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parents:
diff changeset
162 // create R (result in mm6)
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parents:
diff changeset
163 "movq %%mm2,%%mm5\n" // 0 L3 0 L1 0 l3 0 l1
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parents:
diff changeset
164 "movq %%mm4,%%mm6\n" // 0 L2 0 L0 0 l2 0 l0
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parents:
diff changeset
165 "paddsw %%mm1, %%mm5\n" // lum1+red:x R3 x R1 x r3 x r1
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parents:
diff changeset
166 "paddsw %%mm1, %%mm6\n" // lum1+red:x R2 x R0 x r2 x r0
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parents:
diff changeset
167 "packuswb %%mm5,%%mm5\n" // R3 R1 r3 r1 R3 R1 r3 r1
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parents:
diff changeset
168 "packuswb %%mm6,%%mm6\n" // R2 R0 r2 r0 R2 R0 r2 r0
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parents:
diff changeset
169 "pxor %%mm7,%%mm7\n" // 00 00 00 00 00 00 00 00
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parents:
diff changeset
170 "punpcklbw %%mm5,%%mm6\n" // R3 R2 R1 R0 r3 r2 r1 r0
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parents:
diff changeset
171
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diff changeset
172 // create Cb (result in mm1)
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parents:
diff changeset
173 "movd (%1), %%mm1\n" // 0 0 0 0 u3 u2 u1 u0
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parents:
diff changeset
174 "punpcklbw %%mm7,%%mm1\n" // 0 u3 0 u2 00 u1 00 u0
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parents:
diff changeset
175 "punpckldq %%mm1,%%mm1\n" // 00 u1 00 u0 00 u1 00 u0
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
176 #ifdef GCC2_HACK
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
177 "psubw _MMX_0080w,%%mm1\n" // mm1-128:u1 u1 u0 u0 u1 u1 u0 u0
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
178 #else
887
b4b64bb88f2f Date: Mon, 10 May 2004 10:17:46 -0400
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parents: 769
diff changeset
179 "psubw %[_MMX_0080w],%%mm1\n" // mm1-128:u1 u1 u0 u0 u1 u1 u0 u0
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
180 #endif
0
74212992fb08 Initial revision
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parents:
diff changeset
181 // create Cb_g (result in mm5)
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parents:
diff changeset
182 "movq %%mm1,%%mm5\n" // u1 u1 u0 u0 u1 u1 u0 u0
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
183 #ifdef GCC2_HACK
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
184 "pmullw _MMX_UgrnRGB,%%mm5\n" // blue*-109dec=1.7129*64
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
185 "pmullw _MMX_UbluRGB,%%mm1\n" // blue*114dec=1.78125*64
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
186 #else
887
b4b64bb88f2f Date: Mon, 10 May 2004 10:17:46 -0400
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
187 "pmullw %[_MMX_UgrnRGB],%%mm5\n" // blue*-109dec=1.7129*64
b4b64bb88f2f Date: Mon, 10 May 2004 10:17:46 -0400
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
188 "pmullw %[_MMX_UbluRGB],%%mm1\n" // blue*114dec=1.78125*64
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
189 #endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
190 "psraw $6, %%mm5\n" // blue=red/64
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parents:
diff changeset
191 "psraw $6, %%mm1\n" // blue=blue/64
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parents:
diff changeset
192
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parents:
diff changeset
193 // create G (result in mm7)
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parents:
diff changeset
194 "movq %%mm2,%%mm3\n" // 0 L3 0 L1 0 l3 0 l1
74212992fb08 Initial revision
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parents:
diff changeset
195 "movq %%mm4,%%mm7\n" // 0 L2 0 L0 0 l2 0 l1
74212992fb08 Initial revision
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parents:
diff changeset
196 "paddsw %%mm5, %%mm3\n" // lum1+Cb_g:x G3t x G1t x g3t x g1t
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
197 "paddsw %%mm5, %%mm7\n" // lum1+Cb_g:x G2t x G0t x g2t x g0t
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
198 "paddsw %%mm0, %%mm3\n" // lum1+Cr_g:x G3 x G1 x g3 x g1
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
199 "paddsw %%mm0, %%mm7\n" // lum1+blue:x G2 x G0 x g2 x g0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
200 "packuswb %%mm3,%%mm3\n" // G3 G1 g3 g1 G3 G1 g3 g1
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
201 "packuswb %%mm7,%%mm7\n" // G2 G0 g2 g0 G2 G0 g2 g0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
202 "punpcklbw %%mm3,%%mm7\n" // G3 G2 G1 G0 g3 g2 g1 g0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
203
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
204 // create B (result in mm5)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
205 "movq %%mm2,%%mm3\n" // 0 L3 0 L1 0 l3 0 l1
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
206 "movq %%mm4,%%mm5\n" // 0 L2 0 L0 0 l2 0 l1
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
207 "paddsw %%mm1, %%mm3\n" // lum1+blue:x B3 x B1 x b3 x b1
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
208 "paddsw %%mm1, %%mm5\n" // lum1+blue:x B2 x B0 x b2 x b0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
209 "packuswb %%mm3,%%mm3\n" // B3 B1 b3 b1 B3 B1 b3 b1
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
210 "packuswb %%mm5,%%mm5\n" // B2 B0 b2 b0 B2 B0 b2 b0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
211 "punpcklbw %%mm3,%%mm5\n" // B3 B2 B1 B0 b3 b2 b1 b0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
212
74212992fb08 Initial revision
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parents:
diff changeset
213 // fill destination row1 (needed are mm6=Rr,mm7=Gg,mm5=Bb)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
214
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
215 "pxor %%mm2,%%mm2\n" // 0 0 0 0 0 0 0 0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
216 "pxor %%mm4,%%mm4\n" // 0 0 0 0 0 0 0 0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
217 "movq %%mm6,%%mm1\n" // R3 R2 R1 R0 r3 r2 r1 r0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
218 "movq %%mm5,%%mm3\n" // B3 B2 B1 B0 b3 b2 b1 b0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
219 // process lower lum
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
220 "punpcklbw %%mm4,%%mm1\n" // 0 r3 0 r2 0 r1 0 r0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
221 "punpcklbw %%mm4,%%mm3\n" // 0 b3 0 b2 0 b1 0 b0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
222 "movq %%mm1,%%mm2\n" // 0 r3 0 r2 0 r1 0 r0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
223 "movq %%mm3,%%mm0\n" // 0 b3 0 b2 0 b1 0 b0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
224 "punpcklwd %%mm1,%%mm3\n" // 0 r1 0 b1 0 r0 0 b0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
225 "punpckhwd %%mm2,%%mm0\n" // 0 r3 0 b3 0 r2 0 b2
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
226
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
227 "pxor %%mm2,%%mm2\n" // 0 0 0 0 0 0 0 0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
228 "movq %%mm7,%%mm1\n" // G3 G2 G1 G0 g3 g2 g1 g0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
229 "punpcklbw %%mm1,%%mm2\n" // g3 0 g2 0 g1 0 g0 0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
230 "punpcklwd %%mm4,%%mm2\n" // 0 0 g1 0 0 0 g0 0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
231 "por %%mm3, %%mm2\n" // 0 r1 g1 b1 0 r0 g0 b0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
232 "movq %%mm2,(%3)\n" // wrote out ! row1
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
233
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
234 "pxor %%mm2,%%mm2\n" // 0 0 0 0 0 0 0 0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
235 "punpcklbw %%mm1,%%mm4\n" // g3 0 g2 0 g1 0 g0 0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
236 "punpckhwd %%mm2,%%mm4\n" // 0 0 g3 0 0 0 g2 0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
237 "por %%mm0, %%mm4\n" // 0 r3 g3 b3 0 r2 g2 b2
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
238 "movq %%mm4,8(%3)\n" // wrote out ! row1
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
239
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
240 // fill destination row2 (needed are mm6=Rr,mm7=Gg,mm5=Bb)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
241 // this can be done "destructive"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
242 "pxor %%mm2,%%mm2\n" // 0 0 0 0 0 0 0 0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
243 "punpckhbw %%mm2,%%mm6\n" // 0 R3 0 R2 0 R1 0 R0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
244 "punpckhbw %%mm1,%%mm5\n" // G3 B3 G2 B2 G1 B1 G0 B0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
245 "movq %%mm5,%%mm1\n" // G3 B3 G2 B2 G1 B1 G0 B0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
246 "punpcklwd %%mm6,%%mm1\n" // 0 R1 G1 B1 0 R0 G0 B0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
247 "movq %%mm1,(%5)\n" // wrote out ! row2
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
248 "punpckhwd %%mm6,%%mm5\n" // 0 R3 G3 B3 0 R2 G2 B2
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
249 "movq %%mm5,8(%5)\n" // wrote out ! row2
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
250
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
251 "addl $4,%2\n" // lum+4
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
252 "leal 16(%3),%3\n" // row1+16
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
253 "leal 16(%5),%5\n" // row2+16
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
254 "addl $2, %%ebx\n" // cr+2
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
255 "addl $2, %1\n" // cb+2
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
256
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
257 "addl $4,%6\n" // x+4
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
258 "cmpl %4,%6\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
259
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
260 "jl 1b\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
261 "addl %4, %2\n" // lum += cols
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
262 "addl %8, %3\n" // row1+= mod
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
263 "addl %8, %5\n" // row2+= mod
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
264 "movl $0, %6\n" // x=0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
265 "cmpl %7, %2\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
266 "jl 1b\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
267 "emms\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
268 "popl %%ebx\n"
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269 :
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270 : "m" (cr), "r"(cb),"r"(lum),
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271 "r"(row1),"r"(cols),"r"(row2),"m"(x),"m"(y),"m"(mod)
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272 #ifndef GCC2_HACK
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273 ,[_MMX_0080w] "m" (*MMX_0080w),
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274 [_MMX_00FFw] "m" (*MMX_00FFw),
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275 [_MMX_FF00w] "m" (*MMX_FF00w),
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276 [_MMX_VgrnRGB] "m" (*MMX_VgrnRGB),
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277 [_MMX_VredRGB] "m" (*MMX_VredRGB),
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278 [_MMX_UgrnRGB] "m" (*MMX_UgrnRGB),
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279 [_MMX_UbluRGB] "m" (*MMX_UbluRGB)
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280 #endif
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281 );
0
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282 }
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283
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284 void Color565DitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix,
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285 unsigned char *lum, unsigned char *cr,
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286 unsigned char *cb, unsigned char *out,
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287 int rows, int cols, int mod )
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288 {
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289 Uint16 *row1;
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290 Uint16 *row2;
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291
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292 unsigned char* y = lum +cols*rows; /* Pointer to the end */
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293 int x=0;
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294 row1 = (Uint16 *)out; /* 16 bit target */
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295 row2 = (Uint16 *)out+cols+mod; /* start of second row */
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296 mod = (mod+cols+mod)*2; /* increment for row1 in byte */
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297
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298
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299 __asm__ __volatile__(
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300 "pushl %%ebx\n"
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301 "movl %0, %%ebx\n"
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302
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303 ".align 8\n"
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304 "1:\n"
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305 "movd (%1), %%mm0\n" // 4 Cb 0 0 0 0 u3 u2 u1 u0
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306 "pxor %%mm7, %%mm7\n"
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307 "movd (%%ebx), %%mm1\n" // 4 Cr 0 0 0 0 v3 v2 v1 v0
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308 "punpcklbw %%mm7, %%mm0\n" // 4 W cb 0 u3 0 u2 0 u1 0 u0
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309 "punpcklbw %%mm7, %%mm1\n" // 4 W cr 0 v3 0 v2 0 v1 0 v0
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310 #ifdef GCC2_HACK
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311 "psubw _MMX_0080w, %%mm0\n"
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312 "psubw _MMX_0080w, %%mm1\n"
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313 #else
949
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314 "psubw %[_MMX_0080w], %%mm0\n"
e0d96eb0af19 I don't know how this got missed, but...
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315 "psubw %[_MMX_0080w], %%mm1\n"
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316 #endif
0
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317 "movq %%mm0, %%mm2\n" // Cb 0 u3 0 u2 0 u1 0 u0
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318 "movq %%mm1, %%mm3\n" // Cr
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319 #ifdef GCC2_HACK
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320 "pmullw _MMX_Ugrn565, %%mm2\n" // Cb2green 0 R3 0 R2 0 R1 0 R0
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321 #else
949
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322 "pmullw %[_MMX_Ugrn565], %%mm2\n" // Cb2green 0 R3 0 R2 0 R1 0 R0
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
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323 #endif
0
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324 "movq (%2), %%mm6\n" // L1 l7 L6 L5 L4 L3 L2 L1 L0
1038
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325 #ifdef GCC2_HACK
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326 "pmullw _MMX_Ublu5x5, %%mm0\n" // Cb2blue
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327 "pand _MMX_00FFw, %%mm6\n" // L1 00 L6 00 L4 00 L2 00 L0
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328 "pmullw _MMX_Vgrn565, %%mm3\n" // Cr2green
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329 #else
949
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330 "pmullw %[_MMX_Ublu5x5], %%mm0\n" // Cb2blue
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
331 "pand %[_MMX_00FFw], %%mm6\n" // L1 00 L6 00 L4 00 L2 00 L0
e0d96eb0af19 I don't know how this got missed, but...
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diff changeset
332 "pmullw %[_MMX_Vgrn565], %%mm3\n" // Cr2green
1038
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333 #endif
0
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334 "movq (%2), %%mm7\n" // L2
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335 #ifdef GCC2_HACK
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336 "pmullw _MMX_Vred5x5, %%mm1\n" // Cr2red
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337 #else
949
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338 "pmullw %[_MMX_Vred5x5], %%mm1\n" // Cr2red
1038
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339 #endif
0
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340 "psrlw $8, %%mm7\n" // L2 00 L7 00 L5 00 L3 00 L1
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
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341 #ifdef GCC2_HACK
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342 "pmullw _MMX_Ycoeff, %%mm6\n" // lum1
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diff changeset
343 #else
949
e0d96eb0af19 I don't know how this got missed, but...
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344 "pmullw %[_MMX_Ycoeff], %%mm6\n" // lum1
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
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diff changeset
345 #endif
0
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346 "paddw %%mm3, %%mm2\n" // Cb2green + Cr2green == green
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
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diff changeset
347 #ifdef GCC2_HACK
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diff changeset
348 "pmullw _MMX_Ycoeff, %%mm7\n" // lum2
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diff changeset
349 #else
949
e0d96eb0af19 I don't know how this got missed, but...
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diff changeset
350 "pmullw %[_MMX_Ycoeff], %%mm7\n" // lum2
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
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diff changeset
351 #endif
0
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diff changeset
352
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diff changeset
353 "movq %%mm6, %%mm4\n" // lum1
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diff changeset
354 "paddw %%mm0, %%mm6\n" // lum1 +blue 00 B6 00 B4 00 B2 00 B0
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parents:
diff changeset
355 "movq %%mm4, %%mm5\n" // lum1
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diff changeset
356 "paddw %%mm1, %%mm4\n" // lum1 +red 00 R6 00 R4 00 R2 00 R0
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parents:
diff changeset
357 "paddw %%mm2, %%mm5\n" // lum1 +green 00 G6 00 G4 00 G2 00 G0
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parents:
diff changeset
358 "psraw $6, %%mm4\n" // R1 0 .. 64
74212992fb08 Initial revision
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parents:
diff changeset
359 "movq %%mm7, %%mm3\n" // lum2 00 L7 00 L5 00 L3 00 L1
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parents:
diff changeset
360 "psraw $6, %%mm5\n" // G1 - .. +
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parents:
diff changeset
361 "paddw %%mm0, %%mm7\n" // Lum2 +blue 00 B7 00 B5 00 B3 00 B1
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
362 "psraw $6, %%mm6\n" // B1 0 .. 64
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
363 "packuswb %%mm4, %%mm4\n" // R1 R1
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parents:
diff changeset
364 "packuswb %%mm5, %%mm5\n" // G1 G1
74212992fb08 Initial revision
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parents:
diff changeset
365 "packuswb %%mm6, %%mm6\n" // B1 B1
74212992fb08 Initial revision
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parents:
diff changeset
366 "punpcklbw %%mm4, %%mm4\n"
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parents:
diff changeset
367 "punpcklbw %%mm5, %%mm5\n"
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diff changeset
368
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
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parents: 949
diff changeset
369 #ifdef GCC2_HACK
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diff changeset
370 "pand _MMX_red565, %%mm4\n"
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
371 #else
949
e0d96eb0af19 I don't know how this got missed, but...
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parents: 946
diff changeset
372 "pand %[_MMX_red565], %%mm4\n"
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
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diff changeset
373 #endif
0
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parents:
diff changeset
374 "psllw $3, %%mm5\n" // GREEN 1
74212992fb08 Initial revision
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diff changeset
375 "punpcklbw %%mm6, %%mm6\n"
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
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diff changeset
376 #ifdef GCC2_HACK
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
377 "pand _MMX_grn565, %%mm5\n"
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
378 "pand _MMX_red565, %%mm6\n"
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
379 #else
949
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
380 "pand %[_MMX_grn565], %%mm5\n"
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
381 "pand %[_MMX_red565], %%mm6\n"
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
382 #endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
383 "por %%mm5, %%mm4\n" //
74212992fb08 Initial revision
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parents:
diff changeset
384 "psrlw $11, %%mm6\n" // BLUE 1
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
385 "movq %%mm3, %%mm5\n" // lum2
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
386 "paddw %%mm1, %%mm3\n" // lum2 +red 00 R7 00 R5 00 R3 00 R1
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
387 "paddw %%mm2, %%mm5\n" // lum2 +green 00 G7 00 G5 00 G3 00 G1
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
388 "psraw $6, %%mm3\n" // R2
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
389 "por %%mm6, %%mm4\n" // MM4
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
390 "psraw $6, %%mm5\n" // G2
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
391 "movq (%2, %4), %%mm6\n" // L3 load lum2
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
392 "psraw $6, %%mm7\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
393 "packuswb %%mm3, %%mm3\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
394 "packuswb %%mm5, %%mm5\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
395 "packuswb %%mm7, %%mm7\n"
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
396 #ifdef GCC2_HACK
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
397 "pand _MMX_00FFw, %%mm6\n" // L3
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
398 #else
949
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
399 "pand %[_MMX_00FFw], %%mm6\n" // L3
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
400 #endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
401 "punpcklbw %%mm3, %%mm3\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
402 "punpcklbw %%mm5, %%mm5\n"
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
403 #ifdef GCC2_HACK
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
404 "pmullw _MMX_Ycoeff, %%mm6\n" // lum3
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
405 #else
949
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
406 "pmullw %[_MMX_Ycoeff], %%mm6\n" // lum3
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
407 #endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
408 "punpcklbw %%mm7, %%mm7\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
409 "psllw $3, %%mm5\n" // GREEN 2
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
410 #ifdef GCC2_HACK
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
411 "pand _MMX_red565, %%mm7\n"
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
412 "pand _MMX_red565, %%mm3\n"
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
413 #else
949
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
414 "pand %[_MMX_red565], %%mm7\n"
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
415 "pand %[_MMX_red565], %%mm3\n"
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
416 #endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
417 "psrlw $11, %%mm7\n" // BLUE 2
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
418 #ifdef GCC2_HACK
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
419 "pand _MMX_grn565, %%mm5\n"
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
420 #else
949
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
421 "pand %[_MMX_grn565], %%mm5\n"
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
422 #endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
423 "por %%mm7, %%mm3\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
424 "movq (%2,%4), %%mm7\n" // L4 load lum2
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
425 "por %%mm5, %%mm3\n" //
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
426 "psrlw $8, %%mm7\n" // L4
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
427 "movq %%mm4, %%mm5\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
428 "punpcklwd %%mm3, %%mm4\n"
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
429 #ifdef GCC2_HACK
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
430 "pmullw _MMX_Ycoeff, %%mm7\n" // lum4
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
431 #else
949
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
432 "pmullw %[_MMX_Ycoeff], %%mm7\n" // lum4
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
433 #endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
434 "punpckhwd %%mm3, %%mm5\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
435
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
436 "movq %%mm4, (%3)\n" // write row1
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
437 "movq %%mm5, 8(%3)\n" // write row1
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
438
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
439 "movq %%mm6, %%mm4\n" // Lum3
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
440 "paddw %%mm0, %%mm6\n" // Lum3 +blue
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
441
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
442 "movq %%mm4, %%mm5\n" // Lum3
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
443 "paddw %%mm1, %%mm4\n" // Lum3 +red
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
444 "paddw %%mm2, %%mm5\n" // Lum3 +green
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
445 "psraw $6, %%mm4\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
446 "movq %%mm7, %%mm3\n" // Lum4
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
447 "psraw $6, %%mm5\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
448 "paddw %%mm0, %%mm7\n" // Lum4 +blue
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
449 "psraw $6, %%mm6\n" // Lum3 +blue
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
450 "movq %%mm3, %%mm0\n" // Lum4
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
451 "packuswb %%mm4, %%mm4\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
452 "paddw %%mm1, %%mm3\n" // Lum4 +red
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
453 "packuswb %%mm5, %%mm5\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
454 "paddw %%mm2, %%mm0\n" // Lum4 +green
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
455 "packuswb %%mm6, %%mm6\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
456 "punpcklbw %%mm4, %%mm4\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
457 "punpcklbw %%mm5, %%mm5\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
458 "punpcklbw %%mm6, %%mm6\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
459 "psllw $3, %%mm5\n" // GREEN 3
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
460 #ifdef GCC2_HACK
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
461 "pand _MMX_red565, %%mm4\n"
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
462 #else
949
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
463 "pand %[_MMX_red565], %%mm4\n"
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
464 #endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
465 "psraw $6, %%mm3\n" // psr 6
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
466 "psraw $6, %%mm0\n"
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
467 #ifdef GCC2_HACK
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
468 "pand _MMX_red565, %%mm6\n" // BLUE
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
469 "pand _MMX_grn565, %%mm5\n"
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
470 #else
949
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
471 "pand %[_MMX_red565], %%mm6\n" // BLUE
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
472 "pand %[_MMX_grn565], %%mm5\n"
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
473 #endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
474 "psrlw $11, %%mm6\n" // BLUE 3
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
475 "por %%mm5, %%mm4\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
476 "psraw $6, %%mm7\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
477 "por %%mm6, %%mm4\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
478 "packuswb %%mm3, %%mm3\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
479 "packuswb %%mm0, %%mm0\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
480 "packuswb %%mm7, %%mm7\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
481 "punpcklbw %%mm3, %%mm3\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
482 "punpcklbw %%mm0, %%mm0\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
483 "punpcklbw %%mm7, %%mm7\n"
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
484 #ifdef GCC2_HACK
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
485 "pand _MMX_red565, %%mm3\n"
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
486 "pand _MMX_red565, %%mm7\n" // BLUE
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
487 #else
949
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
488 "pand %[_MMX_red565], %%mm3\n"
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
489 "pand %[_MMX_red565], %%mm7\n" // BLUE
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
490 #endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
491 "psllw $3, %%mm0\n" // GREEN 4
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
492 "psrlw $11, %%mm7\n"
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
493 #ifdef GCC2_HACK
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
494 "pand _MMX_grn565, %%mm0\n"
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
495 #else
949
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
496 "pand %[_MMX_grn565], %%mm0\n"
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
497 #endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
498 "por %%mm7, %%mm3\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
499 "por %%mm0, %%mm3\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
500
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
501 "movq %%mm4, %%mm5\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
502
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
503 "punpcklwd %%mm3, %%mm4\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
504 "punpckhwd %%mm3, %%mm5\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
505
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
506 "movq %%mm4, (%5)\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
507 "movq %%mm5, 8(%5)\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
508
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
509 "addl $8, %6\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
510 "addl $8, %2\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
511 "addl $4, %%ebx\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
512 "addl $4, %1\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
513 "cmpl %4, %6\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
514 "leal 16(%3), %3\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
515 "leal 16(%5),%5\n" // row2+16
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
516
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
517
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
518 "jl 1b\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
519 "addl %4, %2\n" // lum += cols
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
520 "addl %8, %3\n" // row1+= mod
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
521 "addl %8, %5\n" // row2+= mod
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
522 "movl $0, %6\n" // x=0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
523 "cmpl %7, %2\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
524 "jl 1b\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
525 "emms\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
526 "popl %%ebx\n"
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
527 :
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
528 :"m" (cr), "r"(cb),"r"(lum),
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
529 "r"(row1),"r"(cols),"r"(row2),"m"(x),"m"(y),"m"(mod)
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
530 #ifndef GCC2_HACK
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
531 ,[_MMX_0080w] "m" (*MMX_0080w),
949
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
532 [_MMX_Ugrn565] "m" (*MMX_Ugrn565),
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
533 [_MMX_Ublu5x5] "m" (*MMX_Ublu5x5),
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
534 [_MMX_00FFw] "m" (*MMX_00FFw),
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
535 [_MMX_Vgrn565] "m" (*MMX_Vgrn565),
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
536 [_MMX_Vred5x5] "m" (*MMX_Vred5x5),
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
537 [_MMX_Ycoeff] "m" (*MMX_Ycoeff),
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538 [_MMX_red565] "m" (*MMX_red565),
e0d96eb0af19 I don't know how this got missed, but...
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539 [_MMX_grn565] "m" (*MMX_grn565)
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
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540 #endif
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
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541 );
0
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542 }
74212992fb08 Initial revision
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parents:
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543
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
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544 #undef GCC2_HACK
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
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545
0
74212992fb08 Initial revision
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546 #endif /* GCC i386 inline assembly */