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annotate src/video/SDL_yuv_mmx.c @ 2457:946f43d71626 gsoc2008_iphone

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author Holmes Futrell <hfutrell@umail.ucsb.edu>
date Sat, 16 Aug 2008 00:25:55 +0000
parents 2ff40f30af31
children 99210400e8b9
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 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 Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 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 Lesser 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 Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 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 #include "SDL_config.h"
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23
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24 #if (__GNUC__ > 2) && defined(__i386__) && __OPTIMIZE__ && SDL_ASSEMBLY_ROUTINES
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25
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26 #include "SDL_stdinc.h"
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27
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28 #include "mmx.h"
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29
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30 /* *INDENT-OFF* */
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31
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32 static mmx_t MMX_0080w = { .ud = {0x00800080, 0x00800080} };
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33 static mmx_t MMX_00FFw = { .ud = {0x00ff00ff, 0x00ff00ff} };
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34 static mmx_t MMX_FF00w = { .ud = {0xff00ff00, 0xff00ff00} };
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35
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36 static mmx_t MMX_Ycoeff = { .uw = {0x004a, 0x004a, 0x004a, 0x004a} };
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37
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38 static mmx_t MMX_UbluRGB = { .uw = {0x0072, 0x0072, 0x0072, 0x0072} };
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39 static mmx_t MMX_VredRGB = { .uw = {0x0059, 0x0059, 0x0059, 0x0059} };
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40 static mmx_t MMX_UgrnRGB = { .uw = {0xffea, 0xffea, 0xffea, 0xffea} };
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41 static mmx_t MMX_VgrnRGB = { .uw = {0xffd2, 0xffd2, 0xffd2, 0xffd2} };
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42
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43 static mmx_t MMX_Ublu5x5 = { .uw = {0x0081, 0x0081, 0x0081, 0x0081} };
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44 static mmx_t MMX_Vred5x5 = { .uw = {0x0066, 0x0066, 0x0066, 0x0066} };
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45 static mmx_t MMX_Ugrn565 = { .uw = {0xffe8, 0xffe8, 0xffe8, 0xffe8} };
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46 static mmx_t MMX_Vgrn565 = { .uw = {0xffcd, 0xffcd, 0xffcd, 0xffcd} };
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47
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48 static mmx_t MMX_red565 = { .uw = {0xf800, 0xf800, 0xf800, 0xf800} };
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49 static mmx_t MMX_grn565 = { .uw = {0x07e0, 0x07e0, 0x07e0, 0x07e0} };
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50
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51 /**
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52 This MMX assembler is my first assembler/MMX program ever.
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53 Thus it maybe buggy.
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54 Send patches to:
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55 mvogt@rhrk.uni-kl.de
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56
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57 After it worked fine I have "obfuscated" the code a bit to have
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58 more parallism in the MMX units. This means I moved
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59 initilisation around and delayed other instruction.
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60 Performance measurement did not show that this brought any advantage
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61 but in theory it _should_ be faster this way.
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62
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63 The overall performanve gain to the C based dither was 30%-40%.
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64 The MMX routine calculates 256bit=8RGB values in each cycle
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65 (4 for row1 & 4 for row2)
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66
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67 The red/green/blue.. coefficents are taken from the mpeg_play
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68 player. They look nice, but I dont know if you can have
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69 better values, to avoid integer rounding errors.
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70
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71
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72 IMPORTANT:
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73 ==========
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74
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75 It is a requirement that the cr/cb/lum are 8 byte aligned and
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76 the out are 16byte aligned or you will/may get segfaults
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77
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78 */
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79
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80 void ColorRGBDitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix,
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81 unsigned char *lum, unsigned char *cr,
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82 unsigned char *cb, unsigned char *out,
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83 int rows, int cols, int mod )
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84 {
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85 Uint32 *row1;
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86 Uint32 *row2;
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87
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88 unsigned char* y = lum +cols*rows; // Pointer to the end
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89 int x = 0;
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90 row1 = (Uint32 *)out; // 32 bit target
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91 row2 = (Uint32 *)out+cols+mod; // start of second row
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92 mod = (mod+cols+mod)*4; // increment for row1 in byte
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93
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94 __asm__ __volatile__ (
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95 // tap dance to workaround the inability to use %%ebx at will...
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96 // move one thing to the stack...
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97 "pushl $0\n" // save a slot on the stack.
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98 "pushl %%ebx\n" // save %%ebx.
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99 "movl %0, %%ebx\n" // put the thing in ebx.
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100 "movl %%ebx,4(%%esp)\n" // put the thing in the stack slot.
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101 "popl %%ebx\n" // get back %%ebx (the PIC register).
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102
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103 ".align 8\n"
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104 "1:\n"
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105
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106 // create Cr (result in mm1)
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107 "pushl %%ebx\n"
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108 "movl 4(%%esp),%%ebx\n"
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109 "movd (%%ebx),%%mm1\n" // 0 0 0 0 v3 v2 v1 v0
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110 "popl %%ebx\n"
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111 "pxor %%mm7,%%mm7\n" // 00 00 00 00 00 00 00 00
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112 "movd (%2), %%mm2\n" // 0 0 0 0 l3 l2 l1 l0
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113 "punpcklbw %%mm7,%%mm1\n" // 0 v3 0 v2 00 v1 00 v0
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114 "punpckldq %%mm1,%%mm1\n" // 00 v1 00 v0 00 v1 00 v0
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115 "psubw %9,%%mm1\n" // mm1-128:r1 r1 r0 r0 r1 r1 r0 r0
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116
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117 // create Cr_g (result in mm0)
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118 "movq %%mm1,%%mm0\n" // r1 r1 r0 r0 r1 r1 r0 r0
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119 "pmullw %10,%%mm0\n" // red*-46dec=0.7136*64
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120 "pmullw %11,%%mm1\n" // red*89dec=1.4013*64
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121 "psraw $6, %%mm0\n" // red=red/64
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122 "psraw $6, %%mm1\n" // red=red/64
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123
2168
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124 // create L1 L2 (result in mm2,mm4)
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125 // L2=lum+cols
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126 "movq (%2,%4),%%mm3\n" // 0 0 0 0 L3 L2 L1 L0
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127 "punpckldq %%mm3,%%mm2\n" // L3 L2 L1 L0 l3 l2 l1 l0
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128 "movq %%mm2,%%mm4\n" // L3 L2 L1 L0 l3 l2 l1 l0
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diff changeset
129 "pand %12,%%mm2\n" // L3 0 L1 0 l3 0 l1 0
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130 "pand %13,%%mm4\n" // 0 L2 0 L0 0 l2 0 l0
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diff changeset
131 "psrlw $8,%%mm2\n" // 0 L3 0 L1 0 l3 0 l1
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132
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133 // create R (result in mm6)
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134 "movq %%mm2,%%mm5\n" // 0 L3 0 L1 0 l3 0 l1
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135 "movq %%mm4,%%mm6\n" // 0 L2 0 L0 0 l2 0 l0
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136 "paddsw %%mm1, %%mm5\n" // lum1+red:x R3 x R1 x r3 x r1
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137 "paddsw %%mm1, %%mm6\n" // lum1+red:x R2 x R0 x r2 x r0
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138 "packuswb %%mm5,%%mm5\n" // R3 R1 r3 r1 R3 R1 r3 r1
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139 "packuswb %%mm6,%%mm6\n" // R2 R0 r2 r0 R2 R0 r2 r0
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diff changeset
140 "pxor %%mm7,%%mm7\n" // 00 00 00 00 00 00 00 00
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141 "punpcklbw %%mm5,%%mm6\n" // R3 R2 R1 R0 r3 r2 r1 r0
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142
2168
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143 // create Cb (result in mm1)
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144 "movd (%1), %%mm1\n" // 0 0 0 0 u3 u2 u1 u0
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145 "punpcklbw %%mm7,%%mm1\n" // 0 u3 0 u2 00 u1 00 u0
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diff changeset
146 "punpckldq %%mm1,%%mm1\n" // 00 u1 00 u0 00 u1 00 u0
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diff changeset
147 "psubw %9,%%mm1\n" // mm1-128:u1 u1 u0 u0 u1 u1 u0 u0
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148
2168
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149 // create Cb_g (result in mm5)
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150 "movq %%mm1,%%mm5\n" // u1 u1 u0 u0 u1 u1 u0 u0
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diff changeset
151 "pmullw %14,%%mm5\n" // blue*-109dec=1.7129*64
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diff changeset
152 "pmullw %15,%%mm1\n" // blue*114dec=1.78125*64
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diff changeset
153 "psraw $6, %%mm5\n" // blue=red/64
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154 "psraw $6, %%mm1\n" // blue=blue/64
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155
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156 // create G (result in mm7)
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diff changeset
157 "movq %%mm2,%%mm3\n" // 0 L3 0 L1 0 l3 0 l1
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diff changeset
158 "movq %%mm4,%%mm7\n" // 0 L2 0 L0 0 l2 0 l1
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159 "paddsw %%mm5, %%mm3\n" // lum1+Cb_g:x G3t x G1t x g3t x g1t
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160 "paddsw %%mm5, %%mm7\n" // lum1+Cb_g:x G2t x G0t x g2t x g0t
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diff changeset
161 "paddsw %%mm0, %%mm3\n" // lum1+Cr_g:x G3 x G1 x g3 x g1
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162 "paddsw %%mm0, %%mm7\n" // lum1+blue:x G2 x G0 x g2 x g0
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diff changeset
163 "packuswb %%mm3,%%mm3\n" // G3 G1 g3 g1 G3 G1 g3 g1
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164 "packuswb %%mm7,%%mm7\n" // G2 G0 g2 g0 G2 G0 g2 g0
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diff changeset
165 "punpcklbw %%mm3,%%mm7\n" // G3 G2 G1 G0 g3 g2 g1 g0
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166
2168
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167 // create B (result in mm5)
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168 "movq %%mm2,%%mm3\n" // 0 L3 0 L1 0 l3 0 l1
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169 "movq %%mm4,%%mm5\n" // 0 L2 0 L0 0 l2 0 l1
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170 "paddsw %%mm1, %%mm3\n" // lum1+blue:x B3 x B1 x b3 x b1
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171 "paddsw %%mm1, %%mm5\n" // lum1+blue:x B2 x B0 x b2 x b0
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172 "packuswb %%mm3,%%mm3\n" // B3 B1 b3 b1 B3 B1 b3 b1
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173 "packuswb %%mm5,%%mm5\n" // B2 B0 b2 b0 B2 B0 b2 b0
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174 "punpcklbw %%mm3,%%mm5\n" // B3 B2 B1 B0 b3 b2 b1 b0
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175
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176 // fill destination row1 (needed are mm6=Rr,mm7=Gg,mm5=Bb)
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177
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diff changeset
178 "pxor %%mm2,%%mm2\n" // 0 0 0 0 0 0 0 0
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diff changeset
179 "pxor %%mm4,%%mm4\n" // 0 0 0 0 0 0 0 0
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diff changeset
180 "movq %%mm6,%%mm1\n" // R3 R2 R1 R0 r3 r2 r1 r0
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181 "movq %%mm5,%%mm3\n" // B3 B2 B1 B0 b3 b2 b1 b0
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182
2168
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183 // process lower lum
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184 "punpcklbw %%mm4,%%mm1\n" // 0 r3 0 r2 0 r1 0 r0
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185 "punpcklbw %%mm4,%%mm3\n" // 0 b3 0 b2 0 b1 0 b0
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diff changeset
186 "movq %%mm1,%%mm2\n" // 0 r3 0 r2 0 r1 0 r0
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diff changeset
187 "movq %%mm3,%%mm0\n" // 0 b3 0 b2 0 b1 0 b0
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diff changeset
188 "punpcklwd %%mm1,%%mm3\n" // 0 r1 0 b1 0 r0 0 b0
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diff changeset
189 "punpckhwd %%mm2,%%mm0\n" // 0 r3 0 b3 0 r2 0 b2
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190
2168
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diff changeset
191 "pxor %%mm2,%%mm2\n" // 0 0 0 0 0 0 0 0
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diff changeset
192 "movq %%mm7,%%mm1\n" // G3 G2 G1 G0 g3 g2 g1 g0
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diff changeset
193 "punpcklbw %%mm1,%%mm2\n" // g3 0 g2 0 g1 0 g0 0
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diff changeset
194 "punpcklwd %%mm4,%%mm2\n" // 0 0 g1 0 0 0 g0 0
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diff changeset
195 "por %%mm3, %%mm2\n" // 0 r1 g1 b1 0 r0 g0 b0
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diff changeset
196 "movq %%mm2,(%3)\n" // wrote out ! row1
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diff changeset
197
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diff changeset
198 "pxor %%mm2,%%mm2\n" // 0 0 0 0 0 0 0 0
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diff changeset
199 "punpcklbw %%mm1,%%mm4\n" // g3 0 g2 0 g1 0 g0 0
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diff changeset
200 "punpckhwd %%mm2,%%mm4\n" // 0 0 g3 0 0 0 g2 0
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diff changeset
201 "por %%mm0, %%mm4\n" // 0 r3 g3 b3 0 r2 g2 b2
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diff changeset
202 "movq %%mm4,8(%3)\n" // wrote out ! row1
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203
2168
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204 // fill destination row2 (needed are mm6=Rr,mm7=Gg,mm5=Bb)
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205 // this can be done "destructive"
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diff changeset
206 "pxor %%mm2,%%mm2\n" // 0 0 0 0 0 0 0 0
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diff changeset
207 "punpckhbw %%mm2,%%mm6\n" // 0 R3 0 R2 0 R1 0 R0
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
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diff changeset
208 "punpckhbw %%mm1,%%mm5\n" // G3 B3 G2 B2 G1 B1 G0 B0
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diff changeset
209 "movq %%mm5,%%mm1\n" // G3 B3 G2 B2 G1 B1 G0 B0
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
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diff changeset
210 "punpcklwd %%mm6,%%mm1\n" // 0 R1 G1 B1 0 R0 G0 B0
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
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diff changeset
211 "movq %%mm1,(%5)\n" // wrote out ! row2
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diff changeset
212 "punpckhwd %%mm6,%%mm5\n" // 0 R3 G3 B3 0 R2 G2 B2
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diff changeset
213 "movq %%mm5,8(%5)\n" // wrote out ! row2
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diff changeset
214
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215 "addl $4,%2\n" // lum+4
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216 "leal 16(%3),%3\n" // row1+16
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217 "leal 16(%5),%5\n" // row2+16
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218 "addl $2,(%%esp)\n" // cr+2
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219 "addl $2,%1\n" // cb+2
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220
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221 "addl $4,%6\n" // x+4
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222 "cmpl %4,%6\n"
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223
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224 "jl 1b\n"
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225 "addl %4,%2\n" // lum += cols
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226 "addl %8,%3\n" // row1+= mod
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227 "addl %8,%5\n" // row2+= mod
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228 "movl $0,%6\n" // x=0
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229 "cmpl %7,%2\n"
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230 "jl 1b\n"
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231
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232 "addl $4,%%esp\n" // get rid of the stack slot we reserved.
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233 "emms\n" // reset MMX registers.
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234 :
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235 : "m" (cr), "r"(cb),"r"(lum),
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236 "r"(row1),"r"(cols),"r"(row2),"m"(x),"m"(y),"m"(mod),
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237 "m"(MMX_0080w),"m"(MMX_VgrnRGB),"m"(MMX_VredRGB),
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238 "m"(MMX_FF00w),"m"(MMX_00FFw),"m"(MMX_UgrnRGB),
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239 "m"(MMX_UbluRGB)
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240 );
0
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241 }
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242
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243 void Color565DitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix,
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244 unsigned char *lum, unsigned char *cr,
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245 unsigned char *cb, unsigned char *out,
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246 int rows, int cols, int mod )
0
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247 {
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248 Uint16 *row1;
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249 Uint16 *row2;
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250
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251 unsigned char* y = lum +cols*rows; /* Pointer to the end */
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252 int x = 0;
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253 row1 = (Uint16 *)out; /* 16 bit target */
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254 row2 = (Uint16 *)out+cols+mod; /* start of second row */
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255 mod = (mod+cols+mod)*2; /* increment for row1 in byte */
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256
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257 __asm__ __volatile__(
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258 // tap dance to workaround the inability to use %%ebx at will...
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259 // move one thing to the stack...
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260 "pushl $0\n" // save a slot on the stack.
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261 "pushl %%ebx\n" // save %%ebx.
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262 "movl %0, %%ebx\n" // put the thing in ebx.
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263 "movl %%ebx, 4(%%esp)\n" // put the thing in the stack slot.
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264 "popl %%ebx\n" // get back %%ebx (the PIC register).
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265
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266 ".align 8\n"
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267 "1:\n"
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268
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269 "movd (%1), %%mm0\n" // 4 Cb 0 0 0 0 u3 u2 u1 u0
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270 "pxor %%mm7, %%mm7\n"
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271 "pushl %%ebx\n"
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272 "movl 4(%%esp), %%ebx\n"
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273 "movd (%%ebx), %%mm1\n" // 4 Cr 0 0 0 0 v3 v2 v1 v0
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274 "popl %%ebx\n"
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275
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276 "punpcklbw %%mm7, %%mm0\n" // 4 W cb 0 u3 0 u2 0 u1 0 u0
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277 "punpcklbw %%mm7, %%mm1\n" // 4 W cr 0 v3 0 v2 0 v1 0 v0
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278 "psubw %9, %%mm0\n"
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279 "psubw %9, %%mm1\n"
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280 "movq %%mm0, %%mm2\n" // Cb 0 u3 0 u2 0 u1 0 u0
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281 "movq %%mm1, %%mm3\n" // Cr
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282 "pmullw %10, %%mm2\n" // Cb2green 0 R3 0 R2 0 R1 0 R0
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283 "movq (%2), %%mm6\n" // L1 l7 L6 L5 L4 L3 L2 L1 L0
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284 "pmullw %11, %%mm0\n" // Cb2blue
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285 "pand %12, %%mm6\n" // L1 00 L6 00 L4 00 L2 00 L0
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286 "pmullw %13, %%mm3\n" // Cr2green
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287 "movq (%2), %%mm7\n" // L2
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288 "pmullw %14, %%mm1\n" // Cr2red
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289 "psrlw $8, %%mm7\n" // L2 00 L7 00 L5 00 L3 00 L1
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290 "pmullw %15, %%mm6\n" // lum1
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291 "paddw %%mm3, %%mm2\n" // Cb2green + Cr2green == green
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292 "pmullw %15, %%mm7\n" // lum2
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293
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294 "movq %%mm6, %%mm4\n" // lum1
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295 "paddw %%mm0, %%mm6\n" // lum1 +blue 00 B6 00 B4 00 B2 00 B0
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296 "movq %%mm4, %%mm5\n" // lum1
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297 "paddw %%mm1, %%mm4\n" // lum1 +red 00 R6 00 R4 00 R2 00 R0
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298 "paddw %%mm2, %%mm5\n" // lum1 +green 00 G6 00 G4 00 G2 00 G0
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299 "psraw $6, %%mm4\n" // R1 0 .. 64
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300 "movq %%mm7, %%mm3\n" // lum2 00 L7 00 L5 00 L3 00 L1
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301 "psraw $6, %%mm5\n" // G1 - .. +
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302 "paddw %%mm0, %%mm7\n" // Lum2 +blue 00 B7 00 B5 00 B3 00 B1
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303 "psraw $6, %%mm6\n" // B1 0 .. 64
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304 "packuswb %%mm4, %%mm4\n" // R1 R1
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305 "packuswb %%mm5, %%mm5\n" // G1 G1
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306 "packuswb %%mm6, %%mm6\n" // B1 B1
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307 "punpcklbw %%mm4, %%mm4\n"
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308 "punpcklbw %%mm5, %%mm5\n"
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309
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310 "pand %16, %%mm4\n"
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311 "psllw $3, %%mm5\n" // GREEN 1
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312 "punpcklbw %%mm6, %%mm6\n"
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313 "pand %17, %%mm5\n"
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314 "pand %16, %%mm6\n"
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315 "por %%mm5, %%mm4\n" //
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316 "psrlw $11, %%mm6\n" // BLUE 1
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317 "movq %%mm3, %%mm5\n" // lum2
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318 "paddw %%mm1, %%mm3\n" // lum2 +red 00 R7 00 R5 00 R3 00 R1
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diff changeset
319 "paddw %%mm2, %%mm5\n" // lum2 +green 00 G7 00 G5 00 G3 00 G1
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
320 "psraw $6, %%mm3\n" // R2
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
321 "por %%mm6, %%mm4\n" // MM4
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
322 "psraw $6, %%mm5\n" // G2
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
323 "movq (%2, %4), %%mm6\n" // L3 load lum2
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
324 "psraw $6, %%mm7\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
325 "packuswb %%mm3, %%mm3\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
326 "packuswb %%mm5, %%mm5\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
327 "packuswb %%mm7, %%mm7\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
328 "pand %12, %%mm6\n" // L3
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
329 "punpcklbw %%mm3, %%mm3\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
330 "punpcklbw %%mm5, %%mm5\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
331 "pmullw %15, %%mm6\n" // lum3
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
332 "punpcklbw %%mm7, %%mm7\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
333 "psllw $3, %%mm5\n" // GREEN 2
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
334 "pand %16, %%mm7\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
335 "pand %16, %%mm3\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
336 "psrlw $11, %%mm7\n" // BLUE 2
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
337 "pand %17, %%mm5\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
338 "por %%mm7, %%mm3\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
339 "movq (%2,%4), %%mm7\n" // L4 load lum2
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
340 "por %%mm5, %%mm3\n" //
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
341 "psrlw $8, %%mm7\n" // L4
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
342 "movq %%mm4, %%mm5\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
343 "punpcklwd %%mm3, %%mm4\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
344 "pmullw %15, %%mm7\n" // lum4
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
345 "punpckhwd %%mm3, %%mm5\n"
2167
8f2174e22cd5 indent doesn't know how to handle inline asm
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
346
2168
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
347 "movq %%mm4, (%3)\n" // write row1
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
348 "movq %%mm5, 8(%3)\n" // write row1
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
349
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
350 "movq %%mm6, %%mm4\n" // Lum3
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
351 "paddw %%mm0, %%mm6\n" // Lum3 +blue
2167
8f2174e22cd5 indent doesn't know how to handle inline asm
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
352
2168
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
353 "movq %%mm4, %%mm5\n" // Lum3
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
354 "paddw %%mm1, %%mm4\n" // Lum3 +red
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
355 "paddw %%mm2, %%mm5\n" // Lum3 +green
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
356 "psraw $6, %%mm4\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
357 "movq %%mm7, %%mm3\n" // Lum4
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
358 "psraw $6, %%mm5\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
359 "paddw %%mm0, %%mm7\n" // Lum4 +blue
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
360 "psraw $6, %%mm6\n" // Lum3 +blue
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
361 "movq %%mm3, %%mm0\n" // Lum4
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
362 "packuswb %%mm4, %%mm4\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
363 "paddw %%mm1, %%mm3\n" // Lum4 +red
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
364 "packuswb %%mm5, %%mm5\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
365 "paddw %%mm2, %%mm0\n" // Lum4 +green
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
366 "packuswb %%mm6, %%mm6\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
367 "punpcklbw %%mm4, %%mm4\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
368 "punpcklbw %%mm5, %%mm5\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
369 "punpcklbw %%mm6, %%mm6\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
370 "psllw $3, %%mm5\n" // GREEN 3
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
371 "pand %16, %%mm4\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
372 "psraw $6, %%mm3\n" // psr 6
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
373 "psraw $6, %%mm0\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
374 "pand %16, %%mm6\n" // BLUE
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
375 "pand %17, %%mm5\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
376 "psrlw $11, %%mm6\n" // BLUE 3
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
377 "por %%mm5, %%mm4\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
378 "psraw $6, %%mm7\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
379 "por %%mm6, %%mm4\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
380 "packuswb %%mm3, %%mm3\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
381 "packuswb %%mm0, %%mm0\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
382 "packuswb %%mm7, %%mm7\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
383 "punpcklbw %%mm3, %%mm3\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
384 "punpcklbw %%mm0, %%mm0\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
385 "punpcklbw %%mm7, %%mm7\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
386 "pand %16, %%mm3\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
387 "pand %16, %%mm7\n" // BLUE
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
388 "psllw $3, %%mm0\n" // GREEN 4
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
389 "psrlw $11, %%mm7\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
390 "pand %17, %%mm0\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
391 "por %%mm7, %%mm3\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
392 "por %%mm0, %%mm3\n"
2167
8f2174e22cd5 indent doesn't know how to handle inline asm
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
393
2168
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
394 "movq %%mm4, %%mm5\n"
2167
8f2174e22cd5 indent doesn't know how to handle inline asm
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
395
2168
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
396 "punpcklwd %%mm3, %%mm4\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
397 "punpckhwd %%mm3, %%mm5\n"
2167
8f2174e22cd5 indent doesn't know how to handle inline asm
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
398
2168
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
399 "movq %%mm4, (%5)\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
400 "movq %%mm5, 8(%5)\n"
2167
8f2174e22cd5 indent doesn't know how to handle inline asm
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
401
2168
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
402 "addl $8, %6\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
403 "addl $8, %2\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
404 "addl $4, (%%esp)\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
405 "addl $4, %1\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
406 "cmpl %4, %6\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
407 "leal 16(%3), %3\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
408 "leal 16(%5),%5\n" // row2+16
2167
8f2174e22cd5 indent doesn't know how to handle inline asm
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
409
2168
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
410 "jl 1b\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
411 "addl %4, %2\n" // lum += cols
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
412 "addl %8, %3\n" // row1+= mod
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
413 "addl %8, %5\n" // row2+= mod
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
414 "movl $0, %6\n" // x=0
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
415 "cmpl %7, %2\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
416 "jl 1b\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
417 "addl $4, %%esp\n" // get rid of the stack slot we reserved.
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
418 "emms\n"
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
419 :
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
420 : "m" (cr), "r"(cb),"r"(lum),
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
421 "r"(row1),"r"(cols),"r"(row2),"m"(x),"m"(y),"m"(mod),
07f084fe97d0 Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
Ryan C. Gordon <icculus@icculus.org>
parents: 2167
diff changeset
422 "m"(MMX_0080w),"m"(MMX_Ugrn565),"m"(MMX_Ublu5x5),
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423 "m"(MMX_00FFw),"m"(MMX_Vgrn565),"m"(MMX_Vred5x5),
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424 "m"(MMX_Ycoeff),"m"(MMX_red565),"m"(MMX_grn565)
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425 );
0
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426 }
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427
2167
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428 /* *INDENT-ON* */
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429
2168
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430 #endif /* GCC3 i386 inline assembly */
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431
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c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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432 /* vi: set ts=4 sw=4 expandtab: */