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Commit ffec21f2 authored by Ryan C. Gordon's avatar Ryan C. Gordon
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Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC. 

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src/video/SDL_yuv_mmx.c
View file @ ffec21f2
...@@ -21,38 +21,37 @@ ...@@ -21,38 +21,37 @@
*/ */
#include "SDL_config.h" #include "SDL_config.h"
/* *INDENT-OFF* */ #if (__GNUC__ > 2) && defined(__i386__) && SDL_ASSEMBLY_ROUTINES
#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 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}; /* *INDENT-OFF* */
static unsigned int ASM_ARRAY(MMX_00FFw) = {0x00ff00ff, 0x00ff00ff};
static unsigned int ASM_ARRAY(MMX_FF00w) = {0xff00ff00, 0xff00ff00}; 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_Ycoeff) = {0x004a, 0x004a, 0x004a, 0x004a}; static mmx_t MMX_Ycoeff = { .uw = {0x004a, 0x004a, 0x004a, 0x004a} };
static unsigned short ASM_ARRAY(MMX_UbluRGB) = {0x0072, 0x0072, 0x0072, 0x0072}; static mmx_t MMX_UbluRGB = { .uw = {0x0072, 0x0072, 0x0072, 0x0072} };
static unsigned short ASM_ARRAY(MMX_VredRGB) = {0x0059, 0x0059, 0x0059, 0x0059}; static mmx_t MMX_VredRGB = { .uw = {0x0059, 0x0059, 0x0059, 0x0059} };
static unsigned short ASM_ARRAY(MMX_UgrnRGB) = {0xffea, 0xffea, 0xffea, 0xffea}; static mmx_t MMX_UgrnRGB = { .uw = {0xffea, 0xffea, 0xffea, 0xffea} };
static unsigned short ASM_ARRAY(MMX_VgrnRGB) = {0xffd2, 0xffd2, 0xffd2, 0xffd2}; static mmx_t MMX_VgrnRGB = { .uw = {0xffd2, 0xffd2, 0xffd2, 0xffd2} };
static unsigned short ASM_ARRAY(MMX_Ublu5x5) = {0x0081, 0x0081, 0x0081, 0x0081}; static mmx_t MMX_Ublu5x5 = { .uw = {0x0081, 0x0081, 0x0081, 0x0081} };
static unsigned short ASM_ARRAY(MMX_Vred5x5) = {0x0066, 0x0066, 0x0066, 0x0066}; static mmx_t MMX_Vred5x5 = { .uw = {0x0066, 0x0066, 0x0066, 0x0066} };
static unsigned short ASM_ARRAY(MMX_Ugrn555) = {0xffe7, 0xffe7, 0xffe7, 0xffe7}; static mmx_t MMX_Ugrn555 = { .uw = {0xffe7, 0xffe7, 0xffe7, 0xffe7} };
static unsigned short ASM_ARRAY(MMX_Vgrn555) = {0xffcc, 0xffcc, 0xffcc, 0xffcc}; static mmx_t MMX_Vgrn555 = { .uw = {0xffcc, 0xffcc, 0xffcc, 0xffcc} };
static unsigned short ASM_ARRAY(MMX_Ugrn565) = {0xffe8, 0xffe8, 0xffe8, 0xffe8}; static mmx_t MMX_Ugrn565 = { .uw = {0xffe8, 0xffe8, 0xffe8, 0xffe8} };
static unsigned short ASM_ARRAY(MMX_Vgrn565) = {0xffcd, 0xffcd, 0xffcd, 0xffcd}; static mmx_t MMX_Vgrn565 = { .uw = {0xffcd, 0xffcd, 0xffcd, 0xffcd} };
static unsigned short ASM_ARRAY(MMX_red555) = {0x7c00, 0x7c00, 0x7c00, 0x7c00}; static mmx_t MMX_red555 = { .uw = {0x7c00, 0x7c00, 0x7c00, 0x7c00} };
static unsigned short ASM_ARRAY(MMX_red565) = {0xf800, 0xf800, 0xf800, 0xf800}; static mmx_t MMX_red565 = { .uw = {0xf800, 0xf800, 0xf800, 0xf800} };
static unsigned short ASM_ARRAY(MMX_grn555) = {0x03e0, 0x03e0, 0x03e0, 0x03e0}; static mmx_t MMX_grn555 = { .uw = {0x03e0, 0x03e0, 0x03e0, 0x03e0} };
static unsigned short ASM_ARRAY(MMX_grn565) = {0x07e0, 0x07e0, 0x07e0, 0x07e0}; static mmx_t MMX_grn565 = { .uw = {0x07e0, 0x07e0, 0x07e0, 0x07e0} };
static unsigned short ASM_ARRAY(MMX_blu5x5) = {0x001f, 0x001f, 0x001f, 0x001f}; 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.
...@@ -92,147 +91,158 @@ void ColorRGBDitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix, ...@@ -92,147 +91,158 @@ void ColorRGBDitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix,
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"
"1:\n" ".align 8\n"
"1:\n"
// create Cr (result in mm1)
"movd (%%ebx), %%mm1\n" // 0 0 0 0 v3 v2 v1 v0 // create Cr (result in mm1)
"pxor %%mm7,%%mm7\n" // 00 00 00 00 00 00 00 00 "pushl %%ebx\n"
"movd (%2), %%mm2\n" // 0 0 0 0 l3 l2 l1 l0 "movl 4(%%esp),%%ebx\n"
"punpcklbw %%mm7,%%mm1\n" // 0 v3 0 v2 00 v1 00 v0 "movd (%%ebx),%%mm1\n" // 0 0 0 0 v3 v2 v1 v0
"punpckldq %%mm1,%%mm1\n" // 00 v1 00 v0 00 v1 00 v0 "popl %%ebx\n"
"psubw _MMX_0080w,%%mm1\n" // mm1-128:r1 r1 r0 r0 r1 r1 r0 r0 "pxor %%mm7,%%mm7\n" // 00 00 00 00 00 00 00 00
"movd (%2), %%mm2\n" // 0 0 0 0 l3 l2 l1 l0
// create Cr_g (result in mm0) "punpcklbw %%mm7,%%mm1\n" // 0 v3 0 v2 00 v1 00 v0
"movq %%mm1,%%mm0\n" // r1 r1 r0 r0 r1 r1 r0 r0 "punpckldq %%mm1,%%mm1\n" // 00 v1 00 v0 00 v1 00 v0
"pmullw _MMX_VgrnRGB,%%mm0\n"// red*-46dec=0.7136*64 "psubw %9,%%mm1\n" // mm1-128:r1 r1 r0 r0 r1 r1 r0 r0
"pmullw _MMX_VredRGB,%%mm1\n"// red*89dec=1.4013*64
"psraw $6, %%mm0\n" // red=red/64 // create Cr_g (result in mm0)
"psraw $6, %%mm1\n" // red=red/64 "movq %%mm1,%%mm0\n" // r1 r1 r0 r0 r1 r1 r0 r0
"pmullw %10,%%mm0\n" // red*-46dec=0.7136*64
// create L1 L2 (result in mm2,mm4) "pmullw %11,%%mm1\n" // red*89dec=1.4013*64
// L2=lum+cols "psraw $6, %%mm0\n" // red=red/64
"movq (%2,%4),%%mm3\n" // 0 0 0 0 L3 L2 L1 L0 "psraw $6, %%mm1\n" // red=red/64
"punpckldq %%mm3,%%mm2\n" // L3 L2 L1 L0 l3 l2 l1 l0
"movq %%mm2,%%mm4\n" // L3 L2 L1 L0 l3 l2 l1 l0 // create L1 L2 (result in mm2,mm4)
"pand _MMX_FF00w,%%mm2\n" // L3 0 L1 0 l3 0 l1 0 // L2=lum+cols
"pand _MMX_00FFw,%%mm4\n" // 0 L2 0 L0 0 l2 0 l0 "movq (%2,%4),%%mm3\n" // 0 0 0 0 L3 L2 L1 L0
"psrlw $8,%%mm2\n" // 0 L3 0 L1 0 l3 0 l1 "punpckldq %%mm3,%%mm2\n" // L3 L2 L1 L0 l3 l2 l1 l0
"movq %%mm2,%%mm4\n" // L3 L2 L1 L0 l3 l2 l1 l0
// create R (result in mm6) "pand %12,%%mm2\n" // L3 0 L1 0 l3 0 l1 0
"movq %%mm2,%%mm5\n" // 0 L3 0 L1 0 l3 0 l1 "pand %13,%%mm4\n" // 0 L2 0 L0 0 l2 0 l0
"movq %%mm4,%%mm6\n" // 0 L2 0 L0 0 l2 0 l0 "psrlw $8,%%mm2\n" // 0 L3 0 L1 0 l3 0 l1
"paddsw %%mm1, %%mm5\n" // lum1+red:x R3 x R1 x r3 x r1
"paddsw %%mm1, %%mm6\n" // lum1+red:x R2 x R0 x r2 x r0 // create R (result in mm6)
"packuswb %%mm5,%%mm5\n" // R3 R1 r3 r1 R3 R1 r3 r1 "movq %%mm2,%%mm5\n" // 0 L3 0 L1 0 l3 0 l1
"packuswb %%mm6,%%mm6\n" // R2 R0 r2 r0 R2 R0 r2 r0 "movq %%mm4,%%mm6\n" // 0 L2 0 L0 0 l2 0 l0
"pxor %%mm7,%%mm7\n" // 00 00 00 00 00 00 00 00 "paddsw %%mm1, %%mm5\n" // lum1+red:x R3 x R1 x r3 x r1
"punpcklbw %%mm5,%%mm6\n" // R3 R2 R1 R0 r3 r2 r1 r0 "paddsw %%mm1, %%mm6\n" // lum1+red:x R2 x R0 x r2 x r0
"packuswb %%mm5,%%mm5\n" // R3 R1 r3 r1 R3 R1 r3 r1
// create Cb (result in mm1) "packuswb %%mm6,%%mm6\n" // R2 R0 r2 r0 R2 R0 r2 r0
"movd (%1), %%mm1\n" // 0 0 0 0 u3 u2 u1 u0 "pxor %%mm7,%%mm7\n" // 00 00 00 00 00 00 00 00
"punpcklbw %%mm7,%%mm1\n" // 0 u3 0 u2 00 u1 00 u0 "punpcklbw %%mm5,%%mm6\n" // R3 R2 R1 R0 r3 r2 r1 r0
"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 // create Cb (result in mm1)
// create Cb_g (result in mm5) "movd (%1), %%mm1\n" // 0 0 0 0 u3 u2 u1 u0
"movq %%mm1,%%mm5\n" // u1 u1 u0 u0 u1 u1 u0 u0 "punpcklbw %%mm7,%%mm1\n" // 0 u3 0 u2 00 u1 00 u0
"pmullw _MMX_UgrnRGB,%%mm5\n" // blue*-109dec=1.7129*64 "punpckldq %%mm1,%%mm1\n" // 00 u1 00 u0 00 u1 00 u0
"pmullw _MMX_UbluRGB,%%mm1\n" // blue*114dec=1.78125*64 "psubw %9,%%mm1\n" // mm1-128:u1 u1 u0 u0 u1 u1 u0 u0
"psraw $6, %%mm5\n" // blue=red/64
"psraw $6, %%mm1\n" // blue=blue/64 // create Cb_g (result in mm5)
"movq %%mm1,%%mm5\n" // u1 u1 u0 u0 u1 u1 u0 u0
// create G (result in mm7) "pmullw %14,%%mm5\n" // blue*-109dec=1.7129*64
"movq %%mm2,%%mm3\n" // 0 L3 0 L1 0 l3 0 l1 "pmullw %15,%%mm1\n" // blue*114dec=1.78125*64
"movq %%mm4,%%mm7\n" // 0 L2 0 L0 0 l2 0 l1 "psraw $6, %%mm5\n" // blue=red/64
"paddsw %%mm5, %%mm3\n" // lum1+Cb_g:x G3t x G1t x g3t x g1t "psraw $6, %%mm1\n" // blue=blue/64
"paddsw %%mm5, %%mm7\n" // lum1+Cb_g:x G2t x G0t x g2t x g0t
"paddsw %%mm0, %%mm3\n" // lum1+Cr_g:x G3 x G1 x g3 x g1 // create G (result in mm7)
"paddsw %%mm0, %%mm7\n" // lum1+blue:x G2 x G0 x g2 x g0 "movq %%mm2,%%mm3\n" // 0 L3 0 L1 0 l3 0 l1
"packuswb %%mm3,%%mm3\n" // G3 G1 g3 g1 G3 G1 g3 g1 "movq %%mm4,%%mm7\n" // 0 L2 0 L0 0 l2 0 l1
"packuswb %%mm7,%%mm7\n" // G2 G0 g2 g0 G2 G0 g2 g0 "paddsw %%mm5, %%mm3\n" // lum1+Cb_g:x G3t x G1t x g3t x g1t
"punpcklbw %%mm3,%%mm7\n" // G3 G2 G1 G0 g3 g2 g1 g0 "paddsw %%mm5, %%mm7\n" // lum1+Cb_g:x G2t x G0t x g2t x g0t
"paddsw %%mm0, %%mm3\n" // lum1+Cr_g:x G3 x G1 x g3 x g1
// create B (result in mm5) "paddsw %%mm0, %%mm7\n" // lum1+blue:x G2 x G0 x g2 x g0
"movq %%mm2,%%mm3\n" // 0 L3 0 L1 0 l3 0 l1 "packuswb %%mm3,%%mm3\n" // G3 G1 g3 g1 G3 G1 g3 g1
"movq %%mm4,%%mm5\n" // 0 L2 0 L0 0 l2 0 l1 "packuswb %%mm7,%%mm7\n" // G2 G0 g2 g0 G2 G0 g2 g0
"paddsw %%mm1, %%mm3\n" // lum1+blue:x B3 x B1 x b3 x b1 "punpcklbw %%mm3,%%mm7\n" // G3 G2 G1 G0 g3 g2 g1 g0
"paddsw %%mm1, %%mm5\n" // lum1+blue:x B2 x B0 x b2 x b0
"packuswb %%mm3,%%mm3\n" // B3 B1 b3 b1 B3 B1 b3 b1 // create B (result in mm5)
"packuswb %%mm5,%%mm5\n" // B2 B0 b2 b0 B2 B0 b2 b0 "movq %%mm2,%%mm3\n" // 0 L3 0 L1 0 l3 0 l1
"punpcklbw %%mm3,%%mm5\n" // B3 B2 B1 B0 b3 b2 b1 b0 "movq %%mm4,%%mm5\n" // 0 L2 0 L0 0 l2 0 l1
"paddsw %%mm1, %%mm3\n" // lum1+blue:x B3 x B1 x b3 x b1
// fill destination row1 (needed are mm6=Rr,mm7=Gg,mm5=Bb) "paddsw %%mm1, %%mm5\n" // lum1+blue:x B2 x B0 x b2 x b0
"packuswb %%mm3,%%mm3\n" // B3 B1 b3 b1 B3 B1 b3 b1
"pxor %%mm2,%%mm2\n" // 0 0 0 0 0 0 0 0 "packuswb %%mm5,%%mm5\n" // B2 B0 b2 b0 B2 B0 b2 b0
"pxor %%mm4,%%mm4\n" // 0 0 0 0 0 0 0 0 "punpcklbw %%mm3,%%mm5\n" // B3 B2 B1 B0 b3 b2 b1 b0
"movq %%mm6,%%mm1\n" // R3 R2 R1 R0 r3 r2 r1 r0
"movq %%mm5,%%mm3\n" // B3 B2 B1 B0 b3 b2 b1 b0 // fill destination row1 (needed are mm6=Rr,mm7=Gg,mm5=Bb)
// process lower lum
"punpcklbw %%mm4,%%mm1\n" // 0 r3 0 r2 0 r1 0 r0 "pxor %%mm2,%%mm2\n" // 0 0 0 0 0 0 0 0
"punpcklbw %%mm4,%%mm3\n" // 0 b3 0 b2 0 b1 0 b0 "pxor %%mm4,%%mm4\n" // 0 0 0 0 0 0 0 0
"movq %%mm1,%%mm2\n" // 0 r3 0 r2 0 r1 0 r0 "movq %%mm6,%%mm1\n" // R3 R2 R1 R0 r3 r2 r1 r0
"movq %%mm3,%%mm0\n" // 0 b3 0 b2 0 b1 0 b0 "movq %%mm5,%%mm3\n" // B3 B2 B1 B0 b3 b2 b1 b0
"punpcklwd %%mm1,%%mm3\n" // 0 r1 0 b1 0 r0 0 b0
"punpckhwd %%mm2,%%mm0\n" // 0 r3 0 b3 0 r2 0 b2 // process lower lum
"punpcklbw %%mm4,%%mm1\n" // 0 r3 0 r2 0 r1 0 r0
"pxor %%mm2,%%mm2\n" // 0 0 0 0 0 0 0 0 "punpcklbw %%mm4,%%mm3\n" // 0 b3 0 b2 0 b1 0 b0
"movq %%mm7,%%mm1\n" // G3 G2 G1 G0 g3 g2 g1 g0 "movq %%mm1,%%mm2\n" // 0 r3 0 r2 0 r1 0 r0
"punpcklbw %%mm1,%%mm2\n" // g3 0 g2 0 g1 0 g0 0 "movq %%mm3,%%mm0\n" // 0 b3 0 b2 0 b1 0 b0
"punpcklwd %%mm4,%%mm2\n" // 0 0 g1 0 0 0 g0 0 "punpcklwd %%mm1,%%mm3\n" // 0 r1 0 b1 0 r0 0 b0
"por %%mm3, %%mm2\n" // 0 r1 g1 b1 0 r0 g0 b0 "punpckhwd %%mm2,%%mm0\n" // 0 r3 0 b3 0 r2 0 b2
"movq %%mm2,(%3)\n" // wrote out ! row1
"pxor %%mm2,%%mm2\n" // 0 0 0 0 0 0 0 0
"pxor %%mm2,%%mm2\n" // 0 0 0 0 0 0 0 0 "movq %%mm7,%%mm1\n" // G3 G2 G1 G0 g3 g2 g1 g0
"punpcklbw %%mm1,%%mm4\n" // g3 0 g2 0 g1 0 g0 0 "punpcklbw %%mm1,%%mm2\n" // g3 0 g2 0 g1 0 g0 0
"punpckhwd %%mm2,%%mm4\n" // 0 0 g3 0 0 0 g2 0 "punpcklwd %%mm4,%%mm2\n" // 0 0 g1 0 0 0 g0 0
"por %%mm0, %%mm4\n" // 0 r3 g3 b3 0 r2 g2 b2 "por %%mm3, %%mm2\n" // 0 r1 g1 b1 0 r0 g0 b0
"movq %%mm4,8(%3)\n" // wrote out ! row1 "movq %%mm2,(%3)\n" // wrote out ! row1
// fill destination row2 (needed are mm6=Rr,mm7=Gg,mm5=Bb) "pxor %%mm2,%%mm2\n" // 0 0 0 0 0 0 0 0
// this can be done "destructive" "punpcklbw %%mm1,%%mm4\n" // g3 0 g2 0 g1 0 g0 0
"pxor %%mm2,%%mm2\n" // 0 0 0 0 0 0 0 0 "punpckhwd %%mm2,%%mm4\n" // 0 0 g3 0 0 0 g2 0
"punpckhbw %%mm2,%%mm6\n" // 0 R3 0 R2 0 R1 0 R0 "por %%mm0, %%mm4\n" // 0 r3 g3 b3 0 r2 g2 b2
"punpckhbw %%mm1,%%mm5\n" // G3 B3 G2 B2 G1 B1 G0 B0 "movq %%mm4,8(%3)\n" // wrote out ! row1
"movq %%mm5,%%mm1\n" // G3 B3 G2 B2 G1 B1 G0 B0
"punpcklwd %%mm6,%%mm1\n" // 0 R1 G1 B1 0 R0 G0 B0 // fill destination row2 (needed are mm6=Rr,mm7=Gg,mm5=Bb)
"movq %%mm1,(%5)\n" // wrote out ! row2 // this can be done "destructive"
"punpckhwd %%mm6,%%mm5\n" // 0 R3 G3 B3 0 R2 G2 B2 "pxor %%mm2,%%mm2\n" // 0 0 0 0 0 0 0 0
"movq %%mm5,8(%5)\n" // wrote out ! row2 "punpckhbw %%mm2,%%mm6\n" // 0 R3 0 R2 0 R1 0 R0
"punpckhbw %%mm1,%%mm5\n" // G3 B3 G2 B2 G1 B1 G0 B0
"addl $4,%2\n" // lum+4 "movq %%mm5,%%mm1\n" // G3 B3 G2 B2 G1 B1 G0 B0
"leal 16(%3),%3\n" // row1+16 "punpcklwd %%mm6,%%mm1\n" // 0 R1 G1 B1 0 R0 G0 B0
"leal 16(%5),%5\n" // row2+16 "movq %%mm1,(%5)\n" // wrote out ! row2
"addl $2, %%ebx\n" // cr+2 "punpckhwd %%mm6,%%mm5\n" // 0 R3 G3 B3 0 R2 G2 B2
"addl $2, %1\n" // cb+2 "movq %%mm5,8(%5)\n" // wrote out ! row2
"addl $4,%6\n" // x+4 "addl $4,%2\n" // lum+4
"cmpl %4,%6\n" "leal 16(%3),%3\n" // row1+16
"leal 16(%5),%5\n" // row2+16
"jl 1b\n" "addl $2,(%%esp)\n" // cr+2
"addl %4, %2\n" // lum += cols "addl $2,%1\n" // cb+2
"addl %8, %3\n" // row1+= mod
"addl %8, %5\n" // row2+= mod "addl $4,%6\n" // x+4
"movl $0, %6\n" // x=0 "cmpl %4,%6\n"
"cmpl %7, %2\n"
"jl 1b\n" "jl 1b\n"
"emms\n" "addl %4,%2\n" // lum += cols
"popl %%ebx\n" "addl %8,%3\n" // row1+= mod
: "addl %8,%5\n" // row2+= mod
: "m" (cr), "r"(cb),"r"(lum), "movl $0,%6\n" // x=0
"r"(row1),"r"(cols),"r"(row2),"m"(x),"m"(y),"m"(mod)); "cmpl %7,%2\n"
"jl 1b\n"
"addl $4,%%esp\n" // get rid of the stack slot we reserved.
"emms\n" // reset MMX registers.
:
: "m" (cr), "r"(cb),"r"(lum),
"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,
...@@ -244,173 +254,185 @@ void Color565DitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix, ...@@ -244,173 +254,185 @@ void Color565DitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix,
Uint16 *row2; Uint16 *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 = (Uint16 *)out; /* 16 bit target */ row1 = (Uint16 *)out; /* 16 bit target */
row2 = (Uint16 *)out+cols+mod; /* start of second row */ row2 = (Uint16 *)out+cols+mod; /* start of second row */
mod = (mod+cols+mod)*2; /* increment for row1 in byte */ mod = (mod+cols+mod)*2; /* increment for row1 in byte */
__asm__ __volatile__(
__asm__ __volatile__( // tap dance to workaround the inability to use %%ebx at will...
"pushl %%ebx\n" // move one thing to the stack...
"movl %0, %%ebx\n" "pushl $0\n" // save a slot on the stack.
"pushl %%ebx\n" // save %%ebx.
".align 8\n" "movl %0, %%ebx\n" // put the thing in ebx.
"1:\n" "movl %%ebx, 4(%%esp)\n" // put the thing in the stack slot.
"movd (%1), %%mm0\n" // 4 Cb 0 0 0 0 u3 u2 u1 u0 "popl %%ebx\n" // get back %%ebx (the PIC register).
"pxor %%mm7, %%mm7\n"
"movd (%%ebx), %%mm1\n" // 4 Cr 0 0 0 0 v3 v2 v1 v0 ".align 8\n"
"punpcklbw %%mm7, %%mm0\n" // 4 W cb 0 u3 0 u2 0 u1 0 u0 "1:\n"
"punpcklbw %%mm7, %%mm1\n" // 4 W cr 0 v3 0 v2 0 v1 0 v0
"psubw _MMX_0080w, %%mm0\n" "movd (%1), %%mm0\n" // 4 Cb 0 0 0 0 u3 u2 u1 u0
"psubw _MMX_0080w, %%mm1\n" "pxor %%mm7, %%mm7\n"
"movq %%mm0, %%mm2\n" // Cb 0 u3 0 u2 0 u1 0 u0 "pushl %%ebx\n"
"movq %%mm1, %%mm3\n" // Cr "movl 4(%%esp), %%ebx\n"
"pmullw _MMX_Ugrn565, %%mm2\n" // Cb2green 0 R3 0 R2 0 R1 0 R0 "movd (%%ebx), %%mm1\n" // 4 Cr 0 0 0 0 v3 v2 v1 v0
"movq (%2), %%mm6\n" // L1 l7 L6 L5 L4 L3 L2 L1 L0 "popl %%ebx\n"
"pmullw _MMX_Ublu5x5, %%mm0\n" // Cb2blue
"pand _MMX_00FFw, %%mm6\n" // L1 00 L6 00 L4 00 L2 00 L0 "punpcklbw %%mm7, %%mm0\n" // 4 W cb 0 u3 0 u2 0 u1 0 u0
"pmullw _MMX_Vgrn565, %%mm3\n" // Cr2green "punpcklbw %%mm7, %%mm1\n" // 4 W cr 0 v3 0 v2 0 v1 0 v0
"movq (%2), %%mm7\n" // L2 "psubw %9, %%mm0\n"
"pmullw _MMX_Vred5x5, %%mm1\n" // Cr2red "psubw %9, %%mm1\n"
"psrlw $8, %%mm7\n" // L2 00 L7 00 L5 00 L3 00 L1 "movq %%mm0, %%mm2\n" // Cb 0 u3 0 u2 0 u1 0 u0
"pmullw _MMX_Ycoeff, %%mm6\n" // lum1 "movq %%mm1, %%mm3\n" // Cr
"paddw %%mm3, %%mm2\n" // Cb2green + Cr2green == green "pmullw %10, %%mm2\n" // Cb2green 0 R3 0 R2 0 R1 0 R0
"pmullw _MMX_Ycoeff, %%mm7\n" // lum2 "movq (%2), %%mm6\n" // L1 l7 L6 L5 L4 L3 L2 L1 L0
"pmullw %11, %%mm0\n" // Cb2blue
"movq %%mm6, %%mm4\n" // lum1 "pand %12, %%mm6\n" // L1 00 L6 00 L4 00 L2 00 L0
"paddw %%mm0, %%mm6\n" // lum1 +blue 00 B6 00 B4 00 B2 00 B0 "pmullw %13, %%mm3\n" // Cr2green
"movq %%mm4, %%mm5\n" // lum1 "movq (%2), %%mm7\n" // L2
"paddw %%mm1, %%mm4\n" // lum1 +red 00 R6 00 R4 00 R2 00 R0 "pmullw %14, %%mm1\n" // Cr2red
"paddw %%mm2, %%mm5\n" // lum1 +green 00 G6 00 G4 00 G2 00 G0 "psrlw $8, %%mm7\n" // L2 00 L7 00 L5 00 L3 00 L1
"psraw $6, %%mm4\n" // R1 0 .. 64 "pmullw %15, %%mm6\n" // lum1
"movq %%mm7, %%mm3\n" // lum2 00 L7 00 L5 00 L3 00 L1 "paddw %%mm3, %%mm2\n" // Cb2green + Cr2green == green
"psraw $6, %%mm5\n" // G1 - .. + "pmullw %15, %%mm7\n" // lum2
"paddw %%mm0, %%mm7\n" // Lum2 +blue 00 B7 00 B5 00 B3 00 B1
"psraw $6, %%mm6\n" // B1 0 .. 64 "movq %%mm6, %%mm4\n" // lum1
"packuswb %%mm4, %%mm4\n" // R1 R1 "paddw %%mm0, %%mm6\n" // lum1 +blue 00 B6 00 B4 00 B2 00 B0
"packuswb %%mm5, %%mm5\n" // G1 G1 "movq %%mm4, %%mm5\n" // lum1
"packuswb %%mm6, %%mm6\n" // B1 B1 "paddw %%mm1, %%mm4\n" // lum1 +red 00 R6 00 R4 00 R2 00 R0
"punpcklbw %%mm4, %%mm4\n" "paddw %%mm2, %%mm5\n" // lum1 +green 00 G6 00 G4 00 G2 00 G0
"punpcklbw %%mm5, %%mm5\n" "psraw $6, %%mm4\n" // R1 0 .. 64
"movq %%mm7, %%mm3\n" // lum2 00 L7 00 L5 00 L3 00 L1
"pand _MMX_red565, %%mm4\n" "psraw $6, %%mm5\n" // G1 - .. +
"psllw $3, %%mm5\n" // GREEN 1 "paddw %%mm0, %%mm7\n" // Lum2 +blue 00 B7 00 B5 00 B3 00 B1
"punpcklbw %%mm6, %%mm6\n" "psraw $6, %%mm6\n" // B1 0 .. 64
"pand _MMX_grn565, %%mm5\n" "packuswb %%mm4, %%mm4\n" // R1 R1
"pand _MMX_red565, %%mm6\n" "packuswb %%mm5, %%mm5\n" // G1 G1
"por %%mm5, %%mm4\n" // "packuswb %%mm6, %%mm6\n" // B1 B1
"psrlw $11, %%mm6\n" // BLUE 1 "punpcklbw %%mm4, %%mm4\n"
"movq %%mm3, %%mm5\n" // lum2 "punpcklbw %%mm5, %%mm5\n"
"paddw %%mm1, %%mm3\n" // lum2 +red 00 R7 00 R5 00 R3 00 R1
"paddw %%mm2, %%mm5\n" // lum2 +green 00 G7 00 G5 00 G3 00 G1 "pand %16, %%mm4\n"
"psraw $6, %%mm3\n" // R2 "psllw $3, %%mm5\n" // GREEN 1
"por %%mm6, %%mm4\n" // MM4 "punpcklbw %%mm6, %%mm6\n"
"psraw $6, %%mm5\n" // G2 "pand %17, %%mm5\n"
"movq (%2, %4), %%mm6\n" // L3 load lum2 "pand %16, %%mm6\n"
"psraw $6, %%mm7\n" "por %%mm5, %%mm4\n" //
"packuswb %%mm3, %%mm3\n" "psrlw $11, %%mm6\n" // BLUE 1
"packuswb %%mm5, %%mm5\n" "movq %%mm3, %%mm5\n" // lum2
"packuswb %%mm7, %%mm7\n" "paddw %%mm1, %%mm3\n" // lum2 +red 00 R7 00 R5 00 R3 00 R1
"pand _MMX_00FFw, %%mm6\n" // L3 "paddw %%mm2, %%mm5\n" // lum2 +green 00 G7 00 G5 00 G3 00 G1
"punpcklbw %%mm3, %%mm3\n" "psraw $6, %%mm3\n" // R2
"punpcklbw %%mm5, %%mm5\n" "por %%mm6, %%mm4\n" // MM4
"pmullw _MMX_Ycoeff, %%mm6\n" // lum3 "psraw $6, %%mm5\n" // G2
"punpcklbw %%mm7, %%mm7\n" "movq (%2, %4), %%mm6\n" // L3 load lum2
"psllw $3, %%mm5\n" // GREEN 2 "psraw $6, %%mm7\n"
"pand _MMX_red565, %%mm7\n" "packuswb %%mm3, %%mm3\n"
"pand _MMX_red565, %%mm3\n" "packuswb %%mm5, %%mm5\n"
"psrlw $11, %%mm7\n" // BLUE 2 "packuswb %%mm7, %%mm7\n"
"pand _MMX_grn565, %%mm5\n" "pand %12, %%mm6\n" // L3
"por %%mm7, %%mm3\n" "punpcklbw %%mm3, %%mm3\n"
"movq (%2,%4), %%mm7\n" // L4 load lum2 "punpcklbw %%mm5, %%mm5\n"
"por %%mm5, %%mm3\n" // "pmullw %15, %%mm6\n" // lum3
"psrlw $8, %%mm7\n" // L4 "punpcklbw %%mm7, %%mm7\n"
"movq %%mm4, %%mm5\n" "psllw $3, %%mm5\n" // GREEN 2
"punpcklwd %%mm3, %%mm4\n" "pand %16, %%mm7\n"
"pmullw _MMX_Ycoeff, %%mm7\n" // lum4 "pand %16, %%mm3\n"
"punpckhwd %%mm3, %%mm5\n" "psrlw $11, %%mm7\n" // BLUE 2
"pand %17, %%mm5\n"
"movq %%mm4, (%3)\n" // write row1 "por %%mm7, %%mm3\n"
"movq %%mm5, 8(%3)\n" // write row1 "movq (%2,%4), %%mm7\n" // L4 load lum2
"por %%mm5, %%mm3\n" //
"movq %%mm6, %%mm4\n" // Lum3 "psrlw $8, %%mm7\n" // L4
"paddw %%mm0, %%mm6\n" // Lum3 +blue "movq %%mm4, %%mm5\n"
"punpcklwd %%mm3, %%mm4\n"
"movq %%mm4, %%mm5\n" // Lum3 "pmullw %15, %%mm7\n" // lum4
"paddw %%mm1, %%mm4\n" // Lum3 +red "punpckhwd %%mm3, %%mm5\n"
"paddw %%mm2, %%mm5\n" // Lum3 +green
"psraw $6, %%mm4\n" "movq %%mm4, (%3)\n" // write row1
"movq %%mm7, %%mm3\n" // Lum4 "movq %%mm5, 8(%3)\n" // write row1
"psraw $6, %%mm5\n"
"paddw %%mm0, %%mm7\n" // Lum4 +blue "movq %%mm6, %%mm4\n" // Lum3
"psraw $6, %%mm6\n" // Lum3 +blue "paddw %%mm0, %%mm6\n" // Lum3 +blue
"movq %%mm3, %%mm0\n" // Lum4
"packuswb %%mm4, %%mm4\n" "movq %%mm4, %%mm5\n" // Lum3
"paddw %%mm1, %%mm3\n" // Lum4 +red "paddw %%mm1, %%mm4\n" // Lum3 +red
"packuswb %%mm5, %%mm5\n" "paddw %%mm2, %%mm5\n" // Lum3 +green
"paddw %%mm2, %%mm0\n" // Lum4 +green "psraw $6, %%mm4\n"
"packuswb %%mm6, %%mm6\n" "movq %%mm7, %%mm3\n" // Lum4
"punpcklbw %%mm4, %%mm4\n" "psraw $6, %%mm5\n"
"punpcklbw %%mm5, %%mm5\n" "paddw %%mm0, %%mm7\n" // Lum4 +blue
"punpcklbw %%mm6, %%mm6\n" "psraw $6, %%mm6\n" // Lum3 +blue
"psllw $3, %%mm5\n" // GREEN 3 "movq %%mm3, %%mm0\n" // Lum4
"pand _MMX_red565, %%mm4\n" "packuswb %%mm4, %%mm4\n"
"psraw $6, %%mm3\n" // psr 6 "paddw %%mm1, %%mm3\n" // Lum4 +red
"psraw $6, %%mm0\n" "packuswb %%mm5, %%mm5\n"
"pand _MMX_red565, %%mm6\n" // BLUE "paddw %%mm2, %%mm0\n" // Lum4 +green
"pand _MMX_grn565, %%mm5\n" "packuswb %%mm6, %%mm6\n"
"psrlw $11, %%mm6\n" // BLUE 3 "punpcklbw %%mm4, %%mm4\n"
"por %%mm5, %%mm4\n" "punpcklbw %%mm5, %%mm5\n"
"psraw $6, %%mm7\n" "punpcklbw %%mm6, %%mm6\n"
"por %%mm6, %%mm4\n" "psllw $3, %%mm5\n" // GREEN 3
"packuswb %%mm3, %%mm3\n" "pand %16, %%mm4\n"
"packuswb %%mm0, %%mm0\n" "psraw $6, %%mm3\n" // psr 6
"packuswb %%mm7, %%mm7\n" "psraw $6, %%mm0\n"
"punpcklbw %%mm3, %%mm3\n" "pand %16, %%mm6\n" // BLUE
"punpcklbw %%mm0, %%mm0\n" "pand %17, %%mm5\n"
"punpcklbw %%mm7, %%mm7\n" "psrlw $11, %%mm6\n" // BLUE 3
"pand _MMX_red565, %%mm3\n" "por %%mm5, %%mm4\n"
"pand _MMX_red565, %%mm7\n" // BLUE "psraw $6, %%mm7\n"
"psllw $3, %%mm0\n" // GREEN 4 "por %%mm6, %%mm4\n"
"psrlw $11, %%mm7\n" "packuswb %%mm3, %%mm3\n"
"pand _MMX_grn565, %%mm0\n" "packuswb %%mm0, %%mm0\n"
"por %%mm7, %%mm3\n" "packuswb %%mm7, %%mm7\n"
"por %%mm0, %%mm3\n" "punpcklbw %%mm3, %%mm3\n"
"punpcklbw %%mm0, %%mm0\n"
"movq %%mm4, %%mm5\n" "punpcklbw %%mm7, %%mm7\n"
"pand %16, %%mm3\n"
"punpcklwd %%mm3, %%mm4\n" "pand %16, %%mm7\n" // BLUE
"punpckhwd %%mm3, %%mm5\n" "psllw $3, %%mm0\n" // GREEN 4
"psrlw $11, %%mm7\n"
"movq %%mm4, (%5)\n" "pand %17, %%mm0\n"
"movq %%mm5, 8(%5)\n" "por %%mm7, %%mm3\n"
"por %%mm0, %%mm3\n"
"addl $8, %6\n"
"addl $8, %2\n" "movq %%mm4, %%mm5\n"
"addl $4, %%ebx\n"
"addl $4, %1\n" "punpcklwd %%mm3, %%mm4\n"
"cmpl %4, %6\n" "punpckhwd %%mm3, %%mm5\n"
"leal 16(%3), %3\n"
"leal 16(%5),%5\n" // row2+16 "movq %%mm4, (%5)\n"
"movq %%mm5, 8(%5)\n"
"jl 1b\n" "addl $8, %6\n"
"addl %4, %2\n" // lum += cols "addl $8, %2\n"
"addl %8, %3\n" // row1+= mod "addl $4, (%%esp)\n"
"addl %8, %5\n" // row2+= mod "addl $4, %1\n"
"movl $0, %6\n" // x=0 "cmpl %4, %6\n"
"cmpl %7, %2\n" "leal 16(%3), %3\n"
"jl 1b\n" "leal 16(%5),%5\n" // row2+16
"emms\n"
"popl %%ebx\n" "jl 1b\n"
: "addl %4, %2\n" // lum += cols
:"m" (cr), "r"(cb),"r"(lum), "addl %8, %3\n" // row1+= mod
"r"(row1),"r"(cols),"r"(row2),"m"(x),"m"(y),"m"(mod)); "addl %8, %5\n" // row2+= mod
"movl $0, %6\n" // x=0
"cmpl %7, %2\n"
"jl 1b\n"
"addl $4, %%esp\n" // get rid of the stack slot we reserved.
"emms\n"
:
: "m" (cr), "r"(cb),"r"(lum),
"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 /* 0 */
/* *INDENT-ON* */ /* *INDENT-ON* */
#endif /* GCC3 i386 inline assembly */
/* vi: set ts=4 sw=4 expandtab: */ /* vi: set ts=4 sw=4 expandtab: */
src/video/SDL_yuv_sw.c
View file @ ffec21f2
...@@ -117,7 +117,7 @@ struct SDL_SW_YUVTexture ...@@ -117,7 +117,7 @@ struct SDL_SW_YUVTexture
/* 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,
...@@ -978,7 +978,7 @@ SDL_SW_SetupYUVDisplay(SDL_SW_YUVTexture * swdata, Uint32 target_format) ...@@ -978,7 +978,7 @@ SDL_SW_SetupYUVDisplay(SDL_SW_YUVTexture * swdata, Uint32 target_format)
case SDL_PIXELFORMAT_YV12: case SDL_PIXELFORMAT_YV12:
case SDL_PIXELFORMAT_IYUV: case SDL_PIXELFORMAT_IYUV:
if (SDL_BYTESPERPIXEL(target_format) == 2) { if (SDL_BYTESPERPIXEL(target_format) == 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) && (Bmask == 0x001F) && (width & 15) == 0) { (Gmask == 0x07E0) && (Bmask == 0x001F) && (width & 15) == 0) {
...@@ -998,7 +998,7 @@ SDL_SW_SetupYUVDisplay(SDL_SW_YUVTexture * swdata, Uint32 target_format) ...@@ -998,7 +998,7 @@ SDL_SW_SetupYUVDisplay(SDL_SW_YUVTexture * swdata, Uint32 target_format)
swdata->Display2X = Color24DitherYV12Mod2X; swdata->Display2X = Color24DitherYV12Mod2X;
} }
if (SDL_BYTESPERPIXEL(target_format) == 4) { if (SDL_BYTESPERPIXEL(target_format) == 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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