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annotate src/video/SDL_yuv_mmx.c @ 1929:595ac54a8f9f

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Added an environment variable to select which driver the software renderer will use.
author Sam Lantinga <slouken@libsdl.org>
date Sun, 23 Jul 2006 00:48:12 +0000
parents c121d94672cb
children 8f2174e22cd5
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 0 /* FIXME: This code needs to be rewritten to reference the static data using relocatable addresses (e.g. http://www.gentoo.org/proj/en/hardened/pic-fix-guide.xml or http://nasm.sourceforge.net/doc/html/nasmdoc8.html#section-8.2) This code currently breaks on systems with readonly text segments (hardened Linux / Intel Mac) */
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25 #if defined(__GNUC__) && defined(__i386__) && SDL_ASSEMBLY_ROUTINES
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26
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27 #include "SDL_stdinc.h"
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28
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29 #define ASM_ARRAY(x) x[] __asm__("_" #x) __attribute__((used))
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30
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31 static unsigned int ASM_ARRAY(MMX_0080w) = {
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32 0x00800080, 0x00800080};
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33 static unsigned int ASM_ARRAY(MMX_00FFw) = {
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34 0x00ff00ff, 0x00ff00ff};
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35 static unsigned int ASM_ARRAY(MMX_FF00w) = {
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36 0xff00ff00, 0xff00ff00};
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37
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38 static unsigned short ASM_ARRAY(MMX_Ycoeff) = {
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39 0x004a, 0x004a, 0x004a, 0x004a};
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40
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41 static unsigned short ASM_ARRAY(MMX_UbluRGB) = {
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42 0x0072, 0x0072, 0x0072, 0x0072};
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43 static unsigned short ASM_ARRAY(MMX_VredRGB) = {
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44 0x0059, 0x0059, 0x0059, 0x0059};
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45 static unsigned short ASM_ARRAY(MMX_UgrnRGB) = {
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46 0xffea, 0xffea, 0xffea, 0xffea};
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47 static unsigned short ASM_ARRAY(MMX_VgrnRGB) = {
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48 0xffd2, 0xffd2, 0xffd2, 0xffd2};
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49
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50 static unsigned short ASM_ARRAY(MMX_Ublu5x5) = {
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51 0x0081, 0x0081, 0x0081, 0x0081};
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52 static unsigned short ASM_ARRAY(MMX_Vred5x5) = {
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53 0x0066, 0x0066, 0x0066, 0x0066};
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54 static unsigned short ASM_ARRAY(MMX_Ugrn555) = {
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55 0xffe7, 0xffe7, 0xffe7, 0xffe7};
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56 static unsigned short ASM_ARRAY(MMX_Vgrn555) = {
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57 0xffcc, 0xffcc, 0xffcc, 0xffcc};
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58 static unsigned short ASM_ARRAY(MMX_Ugrn565) = {
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59 0xffe8, 0xffe8, 0xffe8, 0xffe8};
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60 static unsigned short ASM_ARRAY(MMX_Vgrn565) = {
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61 0xffcd, 0xffcd, 0xffcd, 0xffcd};
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62
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63 static unsigned short ASM_ARRAY(MMX_red555) = {
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64 0x7c00, 0x7c00, 0x7c00, 0x7c00};
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65 static unsigned short ASM_ARRAY(MMX_red565) = {
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66 0xf800, 0xf800, 0xf800, 0xf800};
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67 static unsigned short ASM_ARRAY(MMX_grn555) = {
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68 0x03e0, 0x03e0, 0x03e0, 0x03e0};
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69 static unsigned short ASM_ARRAY(MMX_grn565) = {
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70 0x07e0, 0x07e0, 0x07e0, 0x07e0};
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71 static unsigned short ASM_ARRAY(MMX_blu5x5) = {
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72 0x001f, 0x001f, 0x001f, 0x001f};
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73
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74 /**
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75 This MMX assembler is my first assembler/MMX program ever.
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76 Thus it maybe buggy.
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77 Send patches to:
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78 mvogt@rhrk.uni-kl.de
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79
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80 After it worked fine I have "obfuscated" the code a bit to have
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81 more parallism in the MMX units. This means I moved
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82 initilisation around and delayed other instruction.
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83 Performance measurement did not show that this brought any advantage
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84 but in theory it _should_ be faster this way.
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85
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86 The overall performanve gain to the C based dither was 30%-40%.
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87 The MMX routine calculates 256bit=8RGB values in each cycle
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88 (4 for row1 & 4 for row2)
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89
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90 The red/green/blue.. coefficents are taken from the mpeg_play
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91 player. They look nice, but I dont know if you can have
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92 better values, to avoid integer rounding errors.
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93
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94
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95 IMPORTANT:
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96 ==========
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97
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98 It is a requirement that the cr/cb/lum are 8 byte aligned and
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99 the out are 16byte aligned or you will/may get segfaults
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100
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101 */
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102
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103 void
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104 ColorRGBDitherYV12MMX1X(int *colortab, Uint32 * rgb_2_pix,
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105 unsigned char *lum, unsigned char *cr,
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106 unsigned char *cb, unsigned char *out,
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107 int rows, int cols, int mod)
0
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108 {
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109 Uint32 *row1;
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110 Uint32 *row2;
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111
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112 unsigned char *y = lum + cols * rows; // Pointer to the end
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113 int x = 0;
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114 row1 = (Uint32 *) out; // 32 bit target
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115 row2 = (Uint32 *) out + cols + mod; // start of second row
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116 mod = (mod + cols + mod) * 4; // increment for row1 in byte
0
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117
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118 __asm__ __volatile__(
0
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119 /* We don't really care about PIC - the code should be rewritten to use
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120 relative addressing for the static tables, so right now we take the
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121 COW hit on the pages this code resides. Big deal.
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122 This spill is just to reduce register pressure in the PIC case. */
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123 "pushl %%ebx\n"
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124 "movl %0, %%ebx\n" ".align 8\n" "1:\n"
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125 // create Cr (result in mm1)
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126 "movd (%%ebx), %%mm1\n" // 0 0 0 0 v3 v2 v1 v0
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127 "pxor %%mm7,%%mm7\n" // 00 00 00 00 00 00 00 00
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parents: 1413
diff changeset
128 "movd (%2), %%mm2\n" // 0 0 0 0 l3 l2 l1 l0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
129 "punpcklbw %%mm7,%%mm1\n" // 0 v3 0 v2 00 v1 00 v0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
130 "punpckldq %%mm1,%%mm1\n" // 00 v1 00 v0 00 v1 00 v0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
131 "psubw _MMX_0080w,%%mm1\n" // mm1-128:r1 r1 r0 r0 r1 r1 r0 r0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
132 // create Cr_g (result in mm0)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
133 "movq %%mm1,%%mm0\n" // r1 r1 r0 r0 r1 r1 r0 r0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
134 "pmullw _MMX_VgrnRGB,%%mm0\n" // red*-46dec=0.7136*64
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
135 "pmullw _MMX_VredRGB,%%mm1\n" // red*89dec=1.4013*64
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
136 "psraw $6, %%mm0\n" // red=red/64
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
137 "psraw $6, %%mm1\n" // red=red/64
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
138 // create L1 L2 (result in mm2,mm4)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
139 // L2=lum+cols
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
140 "movq (%2,%4),%%mm3\n" // 0 0 0 0 L3 L2 L1 L0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
141 "punpckldq %%mm3,%%mm2\n" // L3 L2 L1 L0 l3 l2 l1 l0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
142 "movq %%mm2,%%mm4\n" // L3 L2 L1 L0 l3 l2 l1 l0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
143 "pand _MMX_FF00w,%%mm2\n" // L3 0 L1 0 l3 0 l1 0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
144 "pand _MMX_00FFw,%%mm4\n" // 0 L2 0 L0 0 l2 0 l0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
145 "psrlw $8,%%mm2\n" // 0 L3 0 L1 0 l3 0 l1
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
146 // create R (result in mm6)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
147 "movq %%mm2,%%mm5\n" // 0 L3 0 L1 0 l3 0 l1
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
148 "movq %%mm4,%%mm6\n" // 0 L2 0 L0 0 l2 0 l0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
149 "paddsw %%mm1, %%mm5\n" // lum1+red:x R3 x R1 x r3 x r1
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
150 "paddsw %%mm1, %%mm6\n" // lum1+red:x R2 x R0 x r2 x r0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
151 "packuswb %%mm5,%%mm5\n" // R3 R1 r3 r1 R3 R1 r3 r1
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
152 "packuswb %%mm6,%%mm6\n" // R2 R0 r2 r0 R2 R0 r2 r0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
153 "pxor %%mm7,%%mm7\n" // 00 00 00 00 00 00 00 00
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
154 "punpcklbw %%mm5,%%mm6\n" // R3 R2 R1 R0 r3 r2 r1 r0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
155 // create Cb (result in mm1)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
156 "movd (%1), %%mm1\n" // 0 0 0 0 u3 u2 u1 u0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
157 "punpcklbw %%mm7,%%mm1\n" // 0 u3 0 u2 00 u1 00 u0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
158 "punpckldq %%mm1,%%mm1\n" // 00 u1 00 u0 00 u1 00 u0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
159 "psubw _MMX_0080w,%%mm1\n" // mm1-128:u1 u1 u0 u0 u1 u1 u0 u0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
160 // create Cb_g (result in mm5)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
161 "movq %%mm1,%%mm5\n" // u1 u1 u0 u0 u1 u1 u0 u0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
162 "pmullw _MMX_UgrnRGB,%%mm5\n" // blue*-109dec=1.7129*64
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
163 "pmullw _MMX_UbluRGB,%%mm1\n" // blue*114dec=1.78125*64
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
164 "psraw $6, %%mm5\n" // blue=red/64
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
165 "psraw $6, %%mm1\n" // blue=blue/64
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
166 // create G (result in mm7)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
167 "movq %%mm2,%%mm3\n" // 0 L3 0 L1 0 l3 0 l1
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
168 "movq %%mm4,%%mm7\n" // 0 L2 0 L0 0 l2 0 l1
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
169 "paddsw %%mm5, %%mm3\n" // lum1+Cb_g:x G3t x G1t x g3t x g1t
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
170 "paddsw %%mm5, %%mm7\n" // lum1+Cb_g:x G2t x G0t x g2t x g0t
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
171 "paddsw %%mm0, %%mm3\n" // lum1+Cr_g:x G3 x G1 x g3 x g1
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
172 "paddsw %%mm0, %%mm7\n" // lum1+blue:x G2 x G0 x g2 x g0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
173 "packuswb %%mm3,%%mm3\n" // G3 G1 g3 g1 G3 G1 g3 g1
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
174 "packuswb %%mm7,%%mm7\n" // G2 G0 g2 g0 G2 G0 g2 g0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
175 "punpcklbw %%mm3,%%mm7\n" // G3 G2 G1 G0 g3 g2 g1 g0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
176 // create B (result in mm5)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
177 "movq %%mm2,%%mm3\n" // 0 L3 0 L1 0 l3 0 l1
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
178 "movq %%mm4,%%mm5\n" // 0 L2 0 L0 0 l2 0 l1
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
179 "paddsw %%mm1, %%mm3\n" // lum1+blue:x B3 x B1 x b3 x b1
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
180 "paddsw %%mm1, %%mm5\n" // lum1+blue:x B2 x B0 x b2 x b0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
181 "packuswb %%mm3,%%mm3\n" // B3 B1 b3 b1 B3 B1 b3 b1
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
182 "packuswb %%mm5,%%mm5\n" // B2 B0 b2 b0 B2 B0 b2 b0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
183 "punpcklbw %%mm3,%%mm5\n" // B3 B2 B1 B0 b3 b2 b1 b0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
184 // fill destination row1 (needed are mm6=Rr,mm7=Gg,mm5=Bb)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
185 "pxor %%mm2,%%mm2\n" // 0 0 0 0 0 0 0 0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
186 "pxor %%mm4,%%mm4\n" // 0 0 0 0 0 0 0 0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
187 "movq %%mm6,%%mm1\n" // R3 R2 R1 R0 r3 r2 r1 r0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
188 "movq %%mm5,%%mm3\n" // B3 B2 B1 B0 b3 b2 b1 b0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
189 // process lower lum
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
190 "punpcklbw %%mm4,%%mm1\n" // 0 r3 0 r2 0 r1 0 r0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
191 "punpcklbw %%mm4,%%mm3\n" // 0 b3 0 b2 0 b1 0 b0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
192 "movq %%mm1,%%mm2\n" // 0 r3 0 r2 0 r1 0 r0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
193 "movq %%mm3,%%mm0\n" // 0 b3 0 b2 0 b1 0 b0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
194 "punpcklwd %%mm1,%%mm3\n" // 0 r1 0 b1 0 r0 0 b0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
195 "punpckhwd %%mm2,%%mm0\n" // 0 r3 0 b3 0 r2 0 b2
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
196 "pxor %%mm2,%%mm2\n" // 0 0 0 0 0 0 0 0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
197 "movq %%mm7,%%mm1\n" // G3 G2 G1 G0 g3 g2 g1 g0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
198 "punpcklbw %%mm1,%%mm2\n" // g3 0 g2 0 g1 0 g0 0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
199 "punpcklwd %%mm4,%%mm2\n" // 0 0 g1 0 0 0 g0 0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
200 "por %%mm3, %%mm2\n" // 0 r1 g1 b1 0 r0 g0 b0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
201 "movq %%mm2,(%3)\n" // wrote out ! row1
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
202 "pxor %%mm2,%%mm2\n" // 0 0 0 0 0 0 0 0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
203 "punpcklbw %%mm1,%%mm4\n" // g3 0 g2 0 g1 0 g0 0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
204 "punpckhwd %%mm2,%%mm4\n" // 0 0 g3 0 0 0 g2 0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
205 "por %%mm0, %%mm4\n" // 0 r3 g3 b3 0 r2 g2 b2
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
206 "movq %%mm4,8(%3)\n" // wrote out ! row1
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
207 // fill destination row2 (needed are mm6=Rr,mm7=Gg,mm5=Bb)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
208 // this can be done "destructive"
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
209 "pxor %%mm2,%%mm2\n" // 0 0 0 0 0 0 0 0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
210 "punpckhbw %%mm2,%%mm6\n" // 0 R3 0 R2 0 R1 0 R0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
211 "punpckhbw %%mm1,%%mm5\n" // G3 B3 G2 B2 G1 B1 G0 B0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
212 "movq %%mm5,%%mm1\n" // G3 B3 G2 B2 G1 B1 G0 B0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
213 "punpcklwd %%mm6,%%mm1\n" // 0 R1 G1 B1 0 R0 G0 B0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
214 "movq %%mm1,(%5)\n" // wrote out ! row2
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
215 "punpckhwd %%mm6,%%mm5\n" // 0 R3 G3 B3 0 R2 G2 B2
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
216 "movq %%mm5,8(%5)\n" // wrote out ! row2
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
217 "addl $4,%2\n" // lum+4
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
218 "leal 16(%3),%3\n" // row1+16
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
219 "leal 16(%5),%5\n" // row2+16
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
220 "addl $2, %%ebx\n" // cr+2
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
221 "addl $2, %1\n" // cb+2
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
222 "addl $4,%6\n" // x+4
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
223 "cmpl %4,%6\n" "jl 1b\n" "addl %4, %2\n" // lum += cols
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
224 "addl %8, %3\n" // row1+= mod
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
225 "addl %8, %5\n" // row2+= mod
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
226 "movl $0, %6\n" // x=0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
227 "cmpl %7, %2\n"
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
228 "jl 1b\n"
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
229 "emms\n"
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
230 "popl %%ebx\n"::"m"(cr), "r"(cb), "r"(lum),
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
231 "r"(row1), "r"(cols), "r"(row2), "m"(x),
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
232 "m"(y), "m"(mod));
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
233 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
234
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
235 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
236 Color565DitherYV12MMX1X(int *colortab, Uint32 * rgb_2_pix,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
237 unsigned char *lum, unsigned char *cr,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
238 unsigned char *cb, unsigned char *out,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
239 int rows, int cols, int mod)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
240 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
241 Uint16 *row1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
242 Uint16 *row2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
243
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
244 unsigned char *y = lum + cols * rows; /* Pointer to the end */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
245 int x = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
246 row1 = (Uint16 *) out; /* 16 bit target */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
247 row2 = (Uint16 *) out + cols + mod; /* start of second row */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
248 mod = (mod + cols + mod) * 2; /* increment for row1 in byte */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
249
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
250
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
251 __asm__ __volatile__("pushl %%ebx\n" "movl %0, %%ebx\n" ".align 8\n" "1:\n" "movd (%1), %%mm0\n" // 4 Cb 0 0 0 0 u3 u2 u1 u0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
252 "pxor %%mm7, %%mm7\n" "movd (%%ebx), %%mm1\n" // 4 Cr 0 0 0 0 v3 v2 v1 v0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
253 "punpcklbw %%mm7, %%mm0\n" // 4 W cb 0 u3 0 u2 0 u1 0 u0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
254 "punpcklbw %%mm7, %%mm1\n" // 4 W cr 0 v3 0 v2 0 v1 0 v0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
255 "psubw _MMX_0080w, %%mm0\n" "psubw _MMX_0080w, %%mm1\n" "movq %%mm0, %%mm2\n" // Cb 0 u3 0 u2 0 u1 0 u0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
256 "movq %%mm1, %%mm3\n" // Cr
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
257 "pmullw _MMX_Ugrn565, %%mm2\n" // Cb2green 0 R3 0 R2 0 R1 0 R0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
258 "movq (%2), %%mm6\n" // L1 l7 L6 L5 L4 L3 L2 L1 L0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
259 "pmullw _MMX_Ublu5x5, %%mm0\n" // Cb2blue
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
260 "pand _MMX_00FFw, %%mm6\n" // L1 00 L6 00 L4 00 L2 00 L0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
261 "pmullw _MMX_Vgrn565, %%mm3\n" // Cr2green
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
262 "movq (%2), %%mm7\n" // L2
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
263 "pmullw _MMX_Vred5x5, %%mm1\n" // Cr2red
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
264 "psrlw $8, %%mm7\n" // L2 00 L7 00 L5 00 L3 00 L1
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
265 "pmullw _MMX_Ycoeff, %%mm6\n" // lum1
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
266 "paddw %%mm3, %%mm2\n" // Cb2green + Cr2green == green
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
267 "pmullw _MMX_Ycoeff, %%mm7\n" // lum2
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
268 "movq %%mm6, %%mm4\n" // lum1
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
269 "paddw %%mm0, %%mm6\n" // lum1 +blue 00 B6 00 B4 00 B2 00 B0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
270 "movq %%mm4, %%mm5\n" // lum1
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
271 "paddw %%mm1, %%mm4\n" // lum1 +red 00 R6 00 R4 00 R2 00 R0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
272 "paddw %%mm2, %%mm5\n" // lum1 +green 00 G6 00 G4 00 G2 00 G0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
273 "psraw $6, %%mm4\n" // R1 0 .. 64
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
274 "movq %%mm7, %%mm3\n" // lum2 00 L7 00 L5 00 L3 00 L1
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
275 "psraw $6, %%mm5\n" // G1 - .. +
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
276 "paddw %%mm0, %%mm7\n" // Lum2 +blue 00 B7 00 B5 00 B3 00 B1
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
277 "psraw $6, %%mm6\n" // B1 0 .. 64
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
278 "packuswb %%mm4, %%mm4\n" // R1 R1
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
279 "packuswb %%mm5, %%mm5\n" // G1 G1
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
280 "packuswb %%mm6, %%mm6\n" // B1 B1
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
281 "punpcklbw %%mm4, %%mm4\n" "punpcklbw %%mm5, %%mm5\n" "pand _MMX_red565, %%mm4\n" "psllw $3, %%mm5\n" // GREEN 1
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
282 "punpcklbw %%mm6, %%mm6\n" "pand _MMX_grn565, %%mm5\n" "pand _MMX_red565, %%mm6\n" "por %%mm5, %%mm4\n" //
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
283 "psrlw $11, %%mm6\n" // BLUE 1
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
284 "movq %%mm3, %%mm5\n" // lum2
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
285 "paddw %%mm1, %%mm3\n" // lum2 +red 00 R7 00 R5 00 R3 00 R1
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
286 "paddw %%mm2, %%mm5\n" // lum2 +green 00 G7 00 G5 00 G3 00 G1
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
287 "psraw $6, %%mm3\n" // R2
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
288 "por %%mm6, %%mm4\n" // MM4
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
289 "psraw $6, %%mm5\n" // G2
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
290 "movq (%2, %4), %%mm6\n" // L3 load lum2
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
291 "psraw $6, %%mm7\n" "packuswb %%mm3, %%mm3\n" "packuswb %%mm5, %%mm5\n" "packuswb %%mm7, %%mm7\n" "pand _MMX_00FFw, %%mm6\n" // L3
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
292 "punpcklbw %%mm3, %%mm3\n" "punpcklbw %%mm5, %%mm5\n" "pmullw _MMX_Ycoeff, %%mm6\n" // lum3
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
293 "punpcklbw %%mm7, %%mm7\n" "psllw $3, %%mm5\n" // GREEN 2
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
294 "pand _MMX_red565, %%mm7\n" "pand _MMX_red565, %%mm3\n" "psrlw $11, %%mm7\n" // BLUE 2
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
295 "pand _MMX_grn565, %%mm5\n" "por %%mm7, %%mm3\n" "movq (%2,%4), %%mm7\n" // L4 load lum2
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
296 "por %%mm5, %%mm3\n" //
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
297 "psrlw $8, %%mm7\n" // L4
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
298 "movq %%mm4, %%mm5\n" "punpcklwd %%mm3, %%mm4\n" "pmullw _MMX_Ycoeff, %%mm7\n" // lum4
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
299 "punpckhwd %%mm3, %%mm5\n" "movq %%mm4, (%3)\n" // write row1
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
300 "movq %%mm5, 8(%3)\n" // write row1
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
301 "movq %%mm6, %%mm4\n" // Lum3
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
302 "paddw %%mm0, %%mm6\n" // Lum3 +blue
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
303 "movq %%mm4, %%mm5\n" // Lum3
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
304 "paddw %%mm1, %%mm4\n" // Lum3 +red
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
305 "paddw %%mm2, %%mm5\n" // Lum3 +green
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
306 "psraw $6, %%mm4\n" "movq %%mm7, %%mm3\n" // Lum4
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
307 "psraw $6, %%mm5\n" "paddw %%mm0, %%mm7\n" // Lum4 +blue
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
308 "psraw $6, %%mm6\n" // Lum3 +blue
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
309 "movq %%mm3, %%mm0\n" // Lum4
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
310 "packuswb %%mm4, %%mm4\n" "paddw %%mm1, %%mm3\n" // Lum4 +red
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
311 "packuswb %%mm5, %%mm5\n" "paddw %%mm2, %%mm0\n" // Lum4 +green
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
312 "packuswb %%mm6, %%mm6\n" "punpcklbw %%mm4, %%mm4\n" "punpcklbw %%mm5, %%mm5\n" "punpcklbw %%mm6, %%mm6\n" "psllw $3, %%mm5\n" // GREEN 3
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
313 "pand _MMX_red565, %%mm4\n" "psraw $6, %%mm3\n" // psr 6
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
314 "psraw $6, %%mm0\n" "pand _MMX_red565, %%mm6\n" // BLUE
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
315 "pand _MMX_grn565, %%mm5\n" "psrlw $11, %%mm6\n" // BLUE 3
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
316 "por %%mm5, %%mm4\n" "psraw $6, %%mm7\n" "por %%mm6, %%mm4\n" "packuswb %%mm3, %%mm3\n" "packuswb %%mm0, %%mm0\n" "packuswb %%mm7, %%mm7\n" "punpcklbw %%mm3, %%mm3\n" "punpcklbw %%mm0, %%mm0\n" "punpcklbw %%mm7, %%mm7\n" "pand _MMX_red565, %%mm3\n" "pand _MMX_red565, %%mm7\n" // BLUE
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
317 "psllw $3, %%mm0\n" // GREEN 4
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
318 "psrlw $11, %%mm7\n" "pand _MMX_grn565, %%mm0\n" "por %%mm7, %%mm3\n" "por %%mm0, %%mm3\n" "movq %%mm4, %%mm5\n" "punpcklwd %%mm3, %%mm4\n" "punpckhwd %%mm3, %%mm5\n" "movq %%mm4, (%5)\n" "movq %%mm5, 8(%5)\n" "addl $8, %6\n" "addl $8, %2\n" "addl $4, %%ebx\n" "addl $4, %1\n" "cmpl %4, %6\n" "leal 16(%3), %3\n" "leal 16(%5),%5\n" // row2+16
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
319 "jl 1b\n" "addl %4, %2\n" // lum += cols
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
320 "addl %8, %3\n" // row1+= mod
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
321 "addl %8, %5\n" // row2+= mod
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
322 "movl $0, %6\n" // x=0
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1413
diff changeset
323 "cmpl %7, %2\n"
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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324 "jl 1b\n"
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325 "emms\n"
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326 "popl %%ebx\n"::"m"(cr), "r"(cb), "r"(lum),
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327 "r"(row1), "r"(cols), "r"(row2), "m"(x),
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328 "m"(y), "m"(mod));
0
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329 }
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330
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331 #endif /* GCC i386 inline assembly */
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332 #endif /* 0 */
1895
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333 /* vi: set ts=4 sw=4 expandtab: */