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Commit 0e32fcbe authored by Ryan C. Gordon's avatar Ryan C. Gordon
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GCC inline asm for MMX YUV processing no longer has textrels and now works when 

 gcc wants to hog %%ebx for the PIC register.

   Fixes Bugzilla #418.

--HG--
branch : SDL-1.2
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/branches/SDL-1.2%402479
parent ef9a7797
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Showing with 117 additions and 97 deletions
src/video/SDL_yuv_mmx.c
View file @ 0e32fcbe
...@@ -21,36 +21,35 @@ ...@@ -21,36 +21,35 @@
*/ */
#include "SDL_config.h" #include "SDL_config.h"
#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) */ #if (__GNUC__ > 2) && defined(__i386__) && SDL_ASSEMBLY_ROUTINES
#if defined(__GNUC__) && defined(__i386__) && SDL_ASSEMBLY_ROUTINES
#include "SDL_stdinc.h" #include "SDL_stdinc.h"
#define ASM_ARRAY(x) x[] __asm__("_" #x) __attribute__((used)) #include "mmx.h"
static unsigned int ASM_ARRAY(MMX_0080w) = {0x00800080, 0x00800080};
static unsigned int ASM_ARRAY(MMX_00FFw) = {0x00ff00ff, 0x00ff00ff};
static unsigned int ASM_ARRAY(MMX_FF00w) = {0xff00ff00, 0xff00ff00};
static unsigned short ASM_ARRAY(MMX_Ycoeff) = {0x004a, 0x004a, 0x004a, 0x004a}; static mmx_t MMX_0080w = { .ud = {0x00800080, 0x00800080} };
static mmx_t MMX_00FFw = { .ud = {0x00ff00ff, 0x00ff00ff} };
static mmx_t MMX_FF00w = { .ud = {0xff00ff00, 0xff00ff00} };
static unsigned short ASM_ARRAY(MMX_UbluRGB) = {0x0072, 0x0072, 0x0072, 0x0072}; static mmx_t MMX_Ycoeff = { .uw = {0x004a, 0x004a, 0x004a, 0x004a} };
static unsigned short ASM_ARRAY(MMX_VredRGB) = {0x0059, 0x0059, 0x0059, 0x0059};
static unsigned short ASM_ARRAY(MMX_UgrnRGB) = {0xffea, 0xffea, 0xffea, 0xffea};
static unsigned short ASM_ARRAY(MMX_VgrnRGB) = {0xffd2, 0xffd2, 0xffd2, 0xffd2};
static unsigned short ASM_ARRAY(MMX_Ublu5x5) = {0x0081, 0x0081, 0x0081, 0x0081}; static mmx_t MMX_UbluRGB = { .uw = {0x0072, 0x0072, 0x0072, 0x0072} };
static unsigned short ASM_ARRAY(MMX_Vred5x5) = {0x0066, 0x0066, 0x0066, 0x0066}; static mmx_t MMX_VredRGB = { .uw = {0x0059, 0x0059, 0x0059, 0x0059} };
static unsigned short ASM_ARRAY(MMX_Ugrn555) = {0xffe7, 0xffe7, 0xffe7, 0xffe7}; static mmx_t MMX_UgrnRGB = { .uw = {0xffea, 0xffea, 0xffea, 0xffea} };
static unsigned short ASM_ARRAY(MMX_Vgrn555) = {0xffcc, 0xffcc, 0xffcc, 0xffcc}; static mmx_t MMX_VgrnRGB = { .uw = {0xffd2, 0xffd2, 0xffd2, 0xffd2} };
static unsigned short ASM_ARRAY(MMX_Ugrn565) = {0xffe8, 0xffe8, 0xffe8, 0xffe8};
static unsigned short ASM_ARRAY(MMX_Vgrn565) = {0xffcd, 0xffcd, 0xffcd, 0xffcd};
static unsigned short ASM_ARRAY(MMX_red555) = {0x7c00, 0x7c00, 0x7c00, 0x7c00}; static mmx_t MMX_Ublu5x5 = { .uw = {0x0081, 0x0081, 0x0081, 0x0081} };
static unsigned short ASM_ARRAY(MMX_red565) = {0xf800, 0xf800, 0xf800, 0xf800}; static mmx_t MMX_Vred5x5 = { .uw = {0x0066, 0x0066, 0x0066, 0x0066} };
static unsigned short ASM_ARRAY(MMX_grn555) = {0x03e0, 0x03e0, 0x03e0, 0x03e0}; static mmx_t MMX_Ugrn555 = { .uw = {0xffe7, 0xffe7, 0xffe7, 0xffe7} };
static unsigned short ASM_ARRAY(MMX_grn565) = {0x07e0, 0x07e0, 0x07e0, 0x07e0}; static mmx_t MMX_Vgrn555 = { .uw = {0xffcc, 0xffcc, 0xffcc, 0xffcc} };
static unsigned short ASM_ARRAY(MMX_blu5x5) = {0x001f, 0x001f, 0x001f, 0x001f}; static mmx_t MMX_Ugrn565 = { .uw = {0xffe8, 0xffe8, 0xffe8, 0xffe8} };
static mmx_t MMX_Vgrn565 = { .uw = {0xffcd, 0xffcd, 0xffcd, 0xffcd} };
static mmx_t MMX_red555 = { .uw = {0x7c00, 0x7c00, 0x7c00, 0x7c00} };
static mmx_t MMX_red565 = { .uw = {0xf800, 0xf800, 0xf800, 0xf800} };
static mmx_t MMX_grn555 = { .uw = {0x03e0, 0x03e0, 0x03e0, 0x03e0} };
static mmx_t MMX_grn565 = { .uw = {0x07e0, 0x07e0, 0x07e0, 0x07e0} };
static mmx_t MMX_blu5x5 = { .uw = {0x001f, 0x001f, 0x001f, 0x001f} };
/** /**
This MMX assembler is my first assembler/MMX program ever. This MMX assembler is my first assembler/MMX program ever.
...@@ -86,38 +85,42 @@ void ColorRGBDitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix, ...@@ -86,38 +85,42 @@ void ColorRGBDitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix,
unsigned char *cb, unsigned char *out, unsigned char *cb, unsigned char *out,
int rows, int cols, int mod ) int rows, int cols, int mod )
{ {
Uint32 *row1; Uint32 *row1;
Uint32 *row2; Uint32 *row2;
unsigned char* y = lum +cols*rows; // Pointer to the end unsigned char* y = lum +cols*rows; // Pointer to the end
int x=0; int x = 0;
row1 = (Uint32 *)out; // 32 bit target row1 = (Uint32 *)out; // 32 bit target
row2 = (Uint32 *)out+cols+mod; // start of second row row2 = (Uint32 *)out+cols+mod; // start of second row
mod = (mod+cols+mod)*4; // increment for row1 in byte mod = (mod+cols+mod)*4; // increment for row1 in byte
__asm__ __volatile__ ( __asm__ __volatile__ (
/* We don't really care about PIC - the code should be rewritten to use // tap dance to workaround the inability to use %%ebx at will...
relative addressing for the static tables, so right now we take the // move one thing to the stack...
COW hit on the pages this code resides. Big deal. "pushl $0\n" // save a slot on the stack.
This spill is just to reduce register pressure in the PIC case. */ "pushl %%ebx\n" // save %%ebx.
"pushl %%ebx\n" "movl %0, %%ebx\n" // put the thing in ebx.
"movl %0, %%ebx\n" "movl %%ebx, 4(%%esp)\n" // put the thing in the stack slot.
"popl %%ebx\n" // get back %%ebx (the PIC register).
".align 8\n"
".align 8\n"
"1:\n" "1:\n"
// create Cr (result in mm1) // create Cr (result in mm1)
"pushl %%ebx\n"
"movl 4(%%esp), %%ebx\n"
"movd (%%ebx), %%mm1\n" // 0 0 0 0 v3 v2 v1 v0 "movd (%%ebx), %%mm1\n" // 0 0 0 0 v3 v2 v1 v0
"popl %%ebx\n"
"pxor %%mm7,%%mm7\n" // 00 00 00 00 00 00 00 00 "pxor %%mm7,%%mm7\n" // 00 00 00 00 00 00 00 00
"movd (%2), %%mm2\n" // 0 0 0 0 l3 l2 l1 l0 "movd (%2), %%mm2\n" // 0 0 0 0 l3 l2 l1 l0
"punpcklbw %%mm7,%%mm1\n" // 0 v3 0 v2 00 v1 00 v0 "punpcklbw %%mm7,%%mm1\n" // 0 v3 0 v2 00 v1 00 v0
"punpckldq %%mm1,%%mm1\n" // 00 v1 00 v0 00 v1 00 v0 "punpckldq %%mm1,%%mm1\n" // 00 v1 00 v0 00 v1 00 v0
"psubw _MMX_0080w,%%mm1\n" // mm1-128:r1 r1 r0 r0 r1 r1 r0 r0 "psubw %9,%%mm1\n" // mm1-128:r1 r1 r0 r0 r1 r1 r0 r0
// create Cr_g (result in mm0) // create Cr_g (result in mm0)
"movq %%mm1,%%mm0\n" // r1 r1 r0 r0 r1 r1 r0 r0 "movq %%mm1,%%mm0\n" // r1 r1 r0 r0 r1 r1 r0 r0
"pmullw _MMX_VgrnRGB,%%mm0\n"// red*-46dec=0.7136*64 "pmullw %10,%%mm0\n" // red*-46dec=0.7136*64
"pmullw _MMX_VredRGB,%%mm1\n"// red*89dec=1.4013*64 "pmullw %11,%%mm1\n" // red*89dec=1.4013*64
"psraw $6, %%mm0\n" // red=red/64 "psraw $6, %%mm0\n" // red=red/64
"psraw $6, %%mm1\n" // red=red/64 "psraw $6, %%mm1\n" // red=red/64
...@@ -126,8 +129,8 @@ void ColorRGBDitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix, ...@@ -126,8 +129,8 @@ void ColorRGBDitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix,
"movq (%2,%4),%%mm3\n" // 0 0 0 0 L3 L2 L1 L0 "movq (%2,%4),%%mm3\n" // 0 0 0 0 L3 L2 L1 L0
"punpckldq %%mm3,%%mm2\n" // L3 L2 L1 L0 l3 l2 l1 l0 "punpckldq %%mm3,%%mm2\n" // L3 L2 L1 L0 l3 l2 l1 l0
"movq %%mm2,%%mm4\n" // L3 L2 L1 L0 l3 l2 l1 l0 "movq %%mm2,%%mm4\n" // L3 L2 L1 L0 l3 l2 l1 l0
"pand _MMX_FF00w,%%mm2\n" // L3 0 L1 0 l3 0 l1 0 "pand %12,%%mm2\n" // L3 0 L1 0 l3 0 l1 0
"pand _MMX_00FFw,%%mm4\n" // 0 L2 0 L0 0 l2 0 l0 "pand %13,%%mm4\n" // 0 L2 0 L0 0 l2 0 l0
"psrlw $8,%%mm2\n" // 0 L3 0 L1 0 l3 0 l1 "psrlw $8,%%mm2\n" // 0 L3 0 L1 0 l3 0 l1
// create R (result in mm6) // create R (result in mm6)
...@@ -144,11 +147,11 @@ void ColorRGBDitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix, ...@@ -144,11 +147,11 @@ void ColorRGBDitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix,
"movd (%1), %%mm1\n" // 0 0 0 0 u3 u2 u1 u0 "movd (%1), %%mm1\n" // 0 0 0 0 u3 u2 u1 u0
"punpcklbw %%mm7,%%mm1\n" // 0 u3 0 u2 00 u1 00 u0 "punpcklbw %%mm7,%%mm1\n" // 0 u3 0 u2 00 u1 00 u0
"punpckldq %%mm1,%%mm1\n" // 00 u1 00 u0 00 u1 00 u0 "punpckldq %%mm1,%%mm1\n" // 00 u1 00 u0 00 u1 00 u0
"psubw _MMX_0080w,%%mm1\n" // mm1-128:u1 u1 u0 u0 u1 u1 u0 u0 "psubw %9,%%mm1\n" // mm1-128:u1 u1 u0 u0 u1 u1 u0 u0
// create Cb_g (result in mm5) // create Cb_g (result in mm5)
"movq %%mm1,%%mm5\n" // u1 u1 u0 u0 u1 u1 u0 u0 "movq %%mm1,%%mm5\n" // u1 u1 u0 u0 u1 u1 u0 u0
"pmullw _MMX_UgrnRGB,%%mm5\n" // blue*-109dec=1.7129*64 "pmullw %14,%%mm5\n" // blue*-109dec=1.7129*64
"pmullw _MMX_UbluRGB,%%mm1\n" // blue*114dec=1.78125*64 "pmullw %15,%%mm1\n" // blue*114dec=1.78125*64
"psraw $6, %%mm5\n" // blue=red/64 "psraw $6, %%mm5\n" // blue=red/64
"psraw $6, %%mm1\n" // blue=blue/64 "psraw $6, %%mm1\n" // blue=blue/64
...@@ -213,7 +216,7 @@ void ColorRGBDitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix, ...@@ -213,7 +216,7 @@ void ColorRGBDitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix,
"addl $4,%2\n" // lum+4 "addl $4,%2\n" // lum+4
"leal 16(%3),%3\n" // row1+16 "leal 16(%3),%3\n" // row1+16
"leal 16(%5),%5\n" // row2+16 "leal 16(%5),%5\n" // row2+16
"addl $2, %%ebx\n" // cr+2 "addl $2, (%%esp)\n" // cr+2
"addl $2, %1\n" // cb+2 "addl $2, %1\n" // cb+2
"addl $4,%6\n" // x+4 "addl $4,%6\n" // x+4
...@@ -226,11 +229,16 @@ void ColorRGBDitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix, ...@@ -226,11 +229,16 @@ void ColorRGBDitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix,
"movl $0, %6\n" // x=0 "movl $0, %6\n" // x=0
"cmpl %7, %2\n" "cmpl %7, %2\n"
"jl 1b\n" "jl 1b\n"
"emms\n"
"popl %%ebx\n" "addl $4, %%esp\n" // get rid of the stack slot we reserved.
"emms\n" // reset MMX registers.
: :
: "m" (cr), "r"(cb),"r"(lum), : "m" (cr), "r"(cb),"r"(lum),
"r"(row1),"r"(cols),"r"(row2),"m"(x),"m"(y),"m"(mod)); "r"(row1),"r"(cols),"r"(row2),"m"(x),"m"(y),"m"(mod),
"m"(MMX_0080w),"m"(MMX_VgrnRGB),"m"(MMX_VredRGB),
"m"(MMX_FF00w),"m"(MMX_00FFw),"m"(MMX_UgrnRGB),
"m"(MMX_UbluRGB)
);
} }
void Color565DitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix, void Color565DitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix,
...@@ -249,31 +257,40 @@ void Color565DitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix, ...@@ -249,31 +257,40 @@ void Color565DitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix,
__asm__ __volatile__( __asm__ __volatile__(
"pushl %%ebx\n" // tap dance to workaround the inability to use %%ebx at will...
"movl %0, %%ebx\n" // move one thing to the stack...
"pushl $0\n" // save a slot on the stack.
"pushl %%ebx\n" // save %%ebx.
"movl %0, %%ebx\n" // put the thing in ebx.
"movl %%ebx, 4(%%esp)\n" // put the thing in the stack slot.
"popl %%ebx\n" // get back %%ebx (the PIC register).
".align 8\n" ".align 8\n"
"1:\n" "1:\n"
"movd (%1), %%mm0\n" // 4 Cb 0 0 0 0 u3 u2 u1 u0 "movd (%1), %%mm0\n" // 4 Cb 0 0 0 0 u3 u2 u1 u0
"pxor %%mm7, %%mm7\n" "pxor %%mm7, %%mm7\n"
"movd (%%ebx), %%mm1\n" // 4 Cr 0 0 0 0 v3 v2 v1 v0 "pushl %%ebx\n"
"movl 4(%%esp), %%ebx\n"
"movd (%%ebx), %%mm1\n" // 4 Cr 0 0 0 0 v3 v2 v1 v0
"popl %%ebx\n"
"punpcklbw %%mm7, %%mm0\n" // 4 W cb 0 u3 0 u2 0 u1 0 u0 "punpcklbw %%mm7, %%mm0\n" // 4 W cb 0 u3 0 u2 0 u1 0 u0
"punpcklbw %%mm7, %%mm1\n" // 4 W cr 0 v3 0 v2 0 v1 0 v0 "punpcklbw %%mm7, %%mm1\n" // 4 W cr 0 v3 0 v2 0 v1 0 v0
"psubw _MMX_0080w, %%mm0\n" "psubw %9, %%mm0\n"
"psubw _MMX_0080w, %%mm1\n" "psubw %9, %%mm1\n"
"movq %%mm0, %%mm2\n" // Cb 0 u3 0 u2 0 u1 0 u0 "movq %%mm0, %%mm2\n" // Cb 0 u3 0 u2 0 u1 0 u0
"movq %%mm1, %%mm3\n" // Cr "movq %%mm1, %%mm3\n" // Cr
"pmullw _MMX_Ugrn565, %%mm2\n" // Cb2green 0 R3 0 R2 0 R1 0 R0 "pmullw %10, %%mm2\n" // Cb2green 0 R3 0 R2 0 R1 0 R0
"movq (%2), %%mm6\n" // L1 l7 L6 L5 L4 L3 L2 L1 L0 "movq (%2), %%mm6\n" // L1 l7 L6 L5 L4 L3 L2 L1 L0
"pmullw _MMX_Ublu5x5, %%mm0\n" // Cb2blue "pmullw %11, %%mm0\n" // Cb2blue
"pand _MMX_00FFw, %%mm6\n" // L1 00 L6 00 L4 00 L2 00 L0 "pand %12, %%mm6\n" // L1 00 L6 00 L4 00 L2 00 L0
"pmullw _MMX_Vgrn565, %%mm3\n" // Cr2green "pmullw %13, %%mm3\n" // Cr2green
"movq (%2), %%mm7\n" // L2 "movq (%2), %%mm7\n" // L2
"pmullw _MMX_Vred5x5, %%mm1\n" // Cr2red "pmullw %14, %%mm1\n" // Cr2red
"psrlw $8, %%mm7\n" // L2 00 L7 00 L5 00 L3 00 L1 "psrlw $8, %%mm7\n" // L2 00 L7 00 L5 00 L3 00 L1
"pmullw _MMX_Ycoeff, %%mm6\n" // lum1 "pmullw %15, %%mm6\n" // lum1
"paddw %%mm3, %%mm2\n" // Cb2green + Cr2green == green "paddw %%mm3, %%mm2\n" // Cb2green + Cr2green == green
"pmullw _MMX_Ycoeff, %%mm7\n" // lum2 "pmullw %15, %%mm7\n" // lum2
"movq %%mm6, %%mm4\n" // lum1 "movq %%mm6, %%mm4\n" // lum1
"paddw %%mm0, %%mm6\n" // lum1 +blue 00 B6 00 B4 00 B2 00 B0 "paddw %%mm0, %%mm6\n" // lum1 +blue 00 B6 00 B4 00 B2 00 B0
...@@ -291,11 +308,11 @@ void Color565DitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix, ...@@ -291,11 +308,11 @@ void Color565DitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix,
"punpcklbw %%mm4, %%mm4\n" "punpcklbw %%mm4, %%mm4\n"
"punpcklbw %%mm5, %%mm5\n" "punpcklbw %%mm5, %%mm5\n"
"pand _MMX_red565, %%mm4\n" "pand %16, %%mm4\n"
"psllw $3, %%mm5\n" // GREEN 1 "psllw $3, %%mm5\n" // GREEN 1
"punpcklbw %%mm6, %%mm6\n" "punpcklbw %%mm6, %%mm6\n"
"pand _MMX_grn565, %%mm5\n" "pand %17, %%mm5\n"
"pand _MMX_red565, %%mm6\n" "pand %16, %%mm6\n"
"por %%mm5, %%mm4\n" // "por %%mm5, %%mm4\n" //
"psrlw $11, %%mm6\n" // BLUE 1 "psrlw $11, %%mm6\n" // BLUE 1
"movq %%mm3, %%mm5\n" // lum2 "movq %%mm3, %%mm5\n" // lum2
...@@ -309,23 +326,23 @@ void Color565DitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix, ...@@ -309,23 +326,23 @@ void Color565DitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix,
"packuswb %%mm3, %%mm3\n" "packuswb %%mm3, %%mm3\n"
"packuswb %%mm5, %%mm5\n" "packuswb %%mm5, %%mm5\n"
"packuswb %%mm7, %%mm7\n" "packuswb %%mm7, %%mm7\n"
"pand _MMX_00FFw, %%mm6\n" // L3 "pand %12, %%mm6\n" // L3
"punpcklbw %%mm3, %%mm3\n" "punpcklbw %%mm3, %%mm3\n"
"punpcklbw %%mm5, %%mm5\n" "punpcklbw %%mm5, %%mm5\n"
"pmullw _MMX_Ycoeff, %%mm6\n" // lum3 "pmullw %15, %%mm6\n" // lum3
"punpcklbw %%mm7, %%mm7\n" "punpcklbw %%mm7, %%mm7\n"
"psllw $3, %%mm5\n" // GREEN 2 "psllw $3, %%mm5\n" // GREEN 2
"pand _MMX_red565, %%mm7\n" "pand %16, %%mm7\n"
"pand _MMX_red565, %%mm3\n" "pand %16, %%mm3\n"
"psrlw $11, %%mm7\n" // BLUE 2 "psrlw $11, %%mm7\n" // BLUE 2
"pand _MMX_grn565, %%mm5\n" "pand %17, %%mm5\n"
"por %%mm7, %%mm3\n" "por %%mm7, %%mm3\n"
"movq (%2,%4), %%mm7\n" // L4 load lum2 "movq (%2,%4), %%mm7\n" // L4 load lum2
"por %%mm5, %%mm3\n" // "por %%mm5, %%mm3\n" //
"psrlw $8, %%mm7\n" // L4 "psrlw $8, %%mm7\n" // L4
"movq %%mm4, %%mm5\n" "movq %%mm4, %%mm5\n"
"punpcklwd %%mm3, %%mm4\n" "punpcklwd %%mm3, %%mm4\n"
"pmullw _MMX_Ycoeff, %%mm7\n" // lum4 "pmullw %15, %%mm7\n" // lum4
"punpckhwd %%mm3, %%mm5\n" "punpckhwd %%mm3, %%mm5\n"
"movq %%mm4, (%3)\n" // write row1 "movq %%mm4, (%3)\n" // write row1
...@@ -352,11 +369,11 @@ void Color565DitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix, ...@@ -352,11 +369,11 @@ void Color565DitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix,
"punpcklbw %%mm5, %%mm5\n" "punpcklbw %%mm5, %%mm5\n"
"punpcklbw %%mm6, %%mm6\n" "punpcklbw %%mm6, %%mm6\n"
"psllw $3, %%mm5\n" // GREEN 3 "psllw $3, %%mm5\n" // GREEN 3
"pand _MMX_red565, %%mm4\n" "pand %16, %%mm4\n"
"psraw $6, %%mm3\n" // psr 6 "psraw $6, %%mm3\n" // psr 6
"psraw $6, %%mm0\n" "psraw $6, %%mm0\n"
"pand _MMX_red565, %%mm6\n" // BLUE "pand %16, %%mm6\n" // BLUE
"pand _MMX_grn565, %%mm5\n" "pand %17, %%mm5\n"
"psrlw $11, %%mm6\n" // BLUE 3 "psrlw $11, %%mm6\n" // BLUE 3
"por %%mm5, %%mm4\n" "por %%mm5, %%mm4\n"
"psraw $6, %%mm7\n" "psraw $6, %%mm7\n"
...@@ -367,11 +384,11 @@ void Color565DitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix, ...@@ -367,11 +384,11 @@ void Color565DitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix,
"punpcklbw %%mm3, %%mm3\n" "punpcklbw %%mm3, %%mm3\n"
"punpcklbw %%mm0, %%mm0\n" "punpcklbw %%mm0, %%mm0\n"
"punpcklbw %%mm7, %%mm7\n" "punpcklbw %%mm7, %%mm7\n"
"pand _MMX_red565, %%mm3\n" "pand %16, %%mm3\n"
"pand _MMX_red565, %%mm7\n" // BLUE "pand %16, %%mm7\n" // BLUE
"psllw $3, %%mm0\n" // GREEN 4 "psllw $3, %%mm0\n" // GREEN 4
"psrlw $11, %%mm7\n" "psrlw $11, %%mm7\n"
"pand _MMX_grn565, %%mm0\n" "pand %17, %%mm0\n"
"por %%mm7, %%mm3\n" "por %%mm7, %%mm3\n"
"por %%mm0, %%mm3\n" "por %%mm0, %%mm3\n"
...@@ -381,30 +398,33 @@ void Color565DitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix, ...@@ -381,30 +398,33 @@ void Color565DitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix,
"punpckhwd %%mm3, %%mm5\n" "punpckhwd %%mm3, %%mm5\n"
"movq %%mm4, (%5)\n" "movq %%mm4, (%5)\n"
"movq %%mm5, 8(%5)\n" "movq %%mm5, 8(%5)\n"
"addl $8, %6\n" "addl $8, %6\n"
"addl $8, %2\n" "addl $8, %2\n"
"addl $4, %%ebx\n" "addl $4, (%%esp)\n"
"addl $4, %1\n" "addl $4, %1\n"
"cmpl %4, %6\n" "cmpl %4, %6\n"
"leal 16(%3), %3\n" "leal 16(%3), %3\n"
"leal 16(%5),%5\n" // row2+16 "leal 16(%5),%5\n" // row2+16
"jl 1b\n" "jl 1b\n"
"addl %4, %2\n" // lum += cols "addl %4, %2\n" // lum += cols
"addl %8, %3\n" // row1+= mod "addl %8, %3\n" // row1+= mod
"addl %8, %5\n" // row2+= mod "addl %8, %5\n" // row2+= mod
"movl $0, %6\n" // x=0 "movl $0, %6\n" // x=0
"cmpl %7, %2\n" "cmpl %7, %2\n"
"jl 1b\n" "jl 1b\n"
"addl $4, %%esp\n" // get rid of the stack slot we reserved.
"emms\n" "emms\n"
"popl %%ebx\n"
: :
:"m" (cr), "r"(cb),"r"(lum), : "m" (cr), "r"(cb),"r"(lum),
"r"(row1),"r"(cols),"r"(row2),"m"(x),"m"(y),"m"(mod)); "r"(row1),"r"(cols),"r"(row2),"m"(x),"m"(y),"m"(mod),
"m"(MMX_0080w),"m"(MMX_Ugrn565),"m"(MMX_Ublu5x5),
"m"(MMX_00FFw),"m"(MMX_Vgrn565),"m"(MMX_Vred5x5),
"m"(MMX_Ycoeff),"m"(MMX_red565),"m"(MMX_grn565));
} }
#endif /* GCC i386 inline assembly */ #endif /* GCC3 i386 inline assembly */
#endif /* 0 */
src/video/SDL_yuv_sw.c
View file @ 0e32fcbe
...@@ -121,7 +121,7 @@ struct private_yuvhwdata { ...@@ -121,7 +121,7 @@ struct private_yuvhwdata {
/* The colorspace conversion functions */ /* The colorspace conversion functions */
#if 0 /*defined(__GNUC__) && defined(__i386__) && SDL_ASSEMBLY_ROUTINES*/ #if (__GNUC__ > 2) && defined(__i386__) && SDL_ASSEMBLY_ROUTINES
extern void Color565DitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix, extern void Color565DitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix,
unsigned char *lum, unsigned char *cr, unsigned char *lum, unsigned char *cr,
unsigned char *cb, unsigned char *out, unsigned char *cb, unsigned char *out,
...@@ -1061,7 +1061,7 @@ SDL_Overlay *SDL_CreateYUV_SW(_THIS, int width, int height, Uint32 format, SDL_S ...@@ -1061,7 +1061,7 @@ SDL_Overlay *SDL_CreateYUV_SW(_THIS, int width, int height, Uint32 format, SDL_S
case SDL_YV12_OVERLAY: case SDL_YV12_OVERLAY:
case SDL_IYUV_OVERLAY: case SDL_IYUV_OVERLAY:
if ( display->format->BytesPerPixel == 2 ) { if ( display->format->BytesPerPixel == 2 ) {
#if 0 /*defined(__GNUC__) && defined(__i386__) && SDL_ASSEMBLY_ROUTINES*/ #if (__GNUC__ > 2) && defined(__i386__) && SDL_ASSEMBLY_ROUTINES
/* inline assembly functions */ /* inline assembly functions */
if ( SDL_HasMMX() && (Rmask == 0xF800) && if ( SDL_HasMMX() && (Rmask == 0xF800) &&
(Gmask == 0x07E0) && (Gmask == 0x07E0) &&
...@@ -1083,7 +1083,7 @@ SDL_Overlay *SDL_CreateYUV_SW(_THIS, int width, int height, Uint32 format, SDL_S ...@@ -1083,7 +1083,7 @@ SDL_Overlay *SDL_CreateYUV_SW(_THIS, int width, int height, Uint32 format, SDL_S
swdata->Display2X = Color24DitherYV12Mod2X; swdata->Display2X = Color24DitherYV12Mod2X;
} }
if ( display->format->BytesPerPixel == 4 ) { if ( display->format->BytesPerPixel == 4 ) {
#if 0 /*defined(__GNUC__) && defined(__i386__) && SDL_ASSEMBLY_ROUTINES*/ #if (__GNUC__ > 2) && defined(__i386__) && SDL_ASSEMBLY_ROUTINES
/* inline assembly functions */ /* inline assembly functions */
if ( SDL_HasMMX() && (Rmask == 0x00FF0000) && if ( SDL_HasMMX() && (Rmask == 0x00FF0000) &&
(Gmask == 0x0000FF00) && (Gmask == 0x0000FF00) &&
......
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