Mercurial > sdl-ios-xcode
diff src/video/SDL_yuv_mmx.c @ 1038:29d7db09776e
Ugly hack to make this work with gcc 2.x and 3.x
Thanks to Stephane Marchesin for the dirty dirty work.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sun, 13 Feb 2005 07:10:02 +0000 |
| parents | e0d96eb0af19 |
| children | 63fb2da89a4b |
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--- a/src/video/SDL_yuv_mmx.c Sat Feb 12 19:39:08 2005 +0000 +++ b/src/video/SDL_yuv_mmx.c Sun Feb 13 07:10:02 2005 +0000 @@ -30,29 +30,42 @@ #include "SDL_types.h" -static unsigned int MMX_0080w[] = {0x00800080, 0x00800080}; -static unsigned int MMX_00FFw[] = {0x00ff00ff, 0x00ff00ff}; -static unsigned int MMX_FF00w[] = {0xff00ff00, 0xff00ff00}; +#if __GNUC__ > 2 +# undef GCC2_HACK +#else +# define GCC2_HACK +#endif -static unsigned short MMX_Ycoeff[] = {0x004a, 0x004a, 0x004a, 0x004a}; - -static unsigned short MMX_UbluRGB[] = {0x0072, 0x0072, 0x0072, 0x0072}; -static unsigned short MMX_VredRGB[] = {0x0059, 0x0059, 0x0059, 0x0059}; -static unsigned short MMX_UgrnRGB[] = {0xffea, 0xffea, 0xffea, 0xffea}; -static unsigned short MMX_VgrnRGB[] = {0xffd2, 0xffd2, 0xffd2, 0xffd2}; + +#if defined(GCC2_HACK) && defined (__ELF__) +#define ASM_VAR(X) _##X +#else +#define ASM_VAR(X) X +#endif + +static volatile unsigned int ASM_VAR(MMX_0080w)[] = {0x00800080, 0x00800080}; +static volatile unsigned int ASM_VAR(MMX_00FFw)[] = {0x00ff00ff, 0x00ff00ff}; +static volatile unsigned int ASM_VAR(MMX_FF00w)[] = {0xff00ff00, 0xff00ff00}; -static unsigned short MMX_Ublu5x5[] = {0x0081, 0x0081, 0x0081, 0x0081}; -static unsigned short MMX_Vred5x5[] = {0x0066, 0x0066, 0x0066, 0x0066}; -static unsigned short MMX_Ugrn555[] = {0xffe7, 0xffe7, 0xffe7, 0xffe7}; -static unsigned short MMX_Vgrn555[] = {0xffcc, 0xffcc, 0xffcc, 0xffcc}; -static unsigned short MMX_Ugrn565[] = {0xffe8, 0xffe8, 0xffe8, 0xffe8}; -static unsigned short MMX_Vgrn565[] = {0xffcd, 0xffcd, 0xffcd, 0xffcd}; +static volatile unsigned short ASM_VAR(MMX_Ycoeff)[] = {0x004a, 0x004a, 0x004a, 0x004a}; + +static volatile unsigned short ASM_VAR(MMX_UbluRGB)[] = {0x0072, 0x0072, 0x0072, 0x0072}; +static volatile unsigned short ASM_VAR(MMX_VredRGB)[] = {0x0059, 0x0059, 0x0059, 0x0059}; +static volatile unsigned short ASM_VAR(MMX_UgrnRGB)[] = {0xffea, 0xffea, 0xffea, 0xffea}; +static volatile unsigned short ASM_VAR(MMX_VgrnRGB)[] = {0xffd2, 0xffd2, 0xffd2, 0xffd2}; -static unsigned short MMX_red555[] = {0x7c00, 0x7c00, 0x7c00, 0x7c00}; -static unsigned short MMX_red565[] = {0xf800, 0xf800, 0xf800, 0xf800}; -static unsigned short MMX_grn555[] = {0x03e0, 0x03e0, 0x03e0, 0x03e0}; -static unsigned short MMX_grn565[] = {0x07e0, 0x07e0, 0x07e0, 0x07e0}; -static unsigned short MMX_blu5x5[] = {0x001f, 0x001f, 0x001f, 0x001f}; +static volatile unsigned short ASM_VAR(MMX_Ublu5x5)[] = {0x0081, 0x0081, 0x0081, 0x0081}; +static volatile unsigned short ASM_VAR(MMX_Vred5x5)[] = {0x0066, 0x0066, 0x0066, 0x0066}; +static volatile unsigned short ASM_VAR(MMX_Ugrn555)[] = {0xffe7, 0xffe7, 0xffe7, 0xffe7}; +static volatile unsigned short ASM_VAR(MMX_Vgrn555)[] = {0xffcc, 0xffcc, 0xffcc, 0xffcc}; +static volatile unsigned short ASM_VAR(MMX_Ugrn565)[] = {0xffe8, 0xffe8, 0xffe8, 0xffe8}; +static volatile unsigned short ASM_VAR(MMX_Vgrn565)[] = {0xffcd, 0xffcd, 0xffcd, 0xffcd}; + +static volatile unsigned short ASM_VAR(MMX_red555)[] = {0x7c00, 0x7c00, 0x7c00, 0x7c00}; +static volatile unsigned short ASM_VAR(MMX_red565)[] = {0xf800, 0xf800, 0xf800, 0xf800}; +static volatile unsigned short ASM_VAR(MMX_grn555)[] = {0x03e0, 0x03e0, 0x03e0, 0x03e0}; +static volatile unsigned short ASM_VAR(MMX_grn565)[] = {0x07e0, 0x07e0, 0x07e0, 0x07e0}; +static volatile unsigned short ASM_VAR(MMX_blu5x5)[] = {0x001f, 0x001f, 0x001f, 0x001f}; /** This MMX assembler is my first assembler/MMX program ever. @@ -114,12 +127,21 @@ "movd (%2), %%mm2\n" // 0 0 0 0 l3 l2 l1 l0 "punpcklbw %%mm7,%%mm1\n" // 0 v3 0 v2 00 v1 00 v0 "punpckldq %%mm1,%%mm1\n" // 00 v1 00 v0 00 v1 00 v0 +#ifdef GCC2_HACK + "psubw _MMX_0080w,%%mm1\n" // mm1-128:r1 r1 r0 r0 r1 r1 r0 r0 +#else "psubw %[_MMX_0080w],%%mm1\n" // mm1-128:r1 r1 r0 r0 r1 r1 r0 r0 +#endif // create Cr_g (result in mm0) "movq %%mm1,%%mm0\n" // r1 r1 r0 r0 r1 r1 r0 r0 +#ifdef GCC2_HACK + "pmullw _MMX_VgrnRGB,%%mm0\n"// red*-46dec=0.7136*64 + "pmullw _MMX_VredRGB,%%mm1\n"// red*89dec=1.4013*64 +#else "pmullw %[_MMX_VgrnRGB],%%mm0\n"// red*-46dec=0.7136*64 "pmullw %[_MMX_VredRGB],%%mm1\n"// red*89dec=1.4013*64 +#endif "psraw $6, %%mm0\n" // red=red/64 "psraw $6, %%mm1\n" // red=red/64 @@ -128,8 +150,13 @@ "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 "movq %%mm2,%%mm4\n" // L3 L2 L1 L0 l3 l2 l1 l0 +#ifdef GCC2_HACK + "pand _MMX_FF00w,%%mm2\n" // L3 0 L1 0 l3 0 l1 0 + "pand _MMX_00FFw,%%mm4\n" // 0 L2 0 L0 0 l2 0 l0 +#else "pand %[_MMX_FF00w],%%mm2\n" // L3 0 L1 0 l3 0 l1 0 "pand %[_MMX_00FFw],%%mm4\n" // 0 L2 0 L0 0 l2 0 l0 +#endif "psrlw $8,%%mm2\n" // 0 L3 0 L1 0 l3 0 l1 // create R (result in mm6) @@ -146,11 +173,20 @@ "movd (%1), %%mm1\n" // 0 0 0 0 u3 u2 u1 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 +#ifdef GCC2_HACK + "psubw _MMX_0080w,%%mm1\n" // mm1-128:u1 u1 u0 u0 u1 u1 u0 u0 +#else "psubw %[_MMX_0080w],%%mm1\n" // mm1-128:u1 u1 u0 u0 u1 u1 u0 u0 +#endif // create Cb_g (result in mm5) "movq %%mm1,%%mm5\n" // u1 u1 u0 u0 u1 u1 u0 u0 +#ifdef GCC2_HACK + "pmullw _MMX_UgrnRGB,%%mm5\n" // blue*-109dec=1.7129*64 + "pmullw _MMX_UbluRGB,%%mm1\n" // blue*114dec=1.78125*64 +#else "pmullw %[_MMX_UgrnRGB],%%mm5\n" // blue*-109dec=1.7129*64 "pmullw %[_MMX_UbluRGB],%%mm1\n" // blue*114dec=1.78125*64 +#endif "psraw $6, %%mm5\n" // blue=red/64 "psraw $6, %%mm1\n" // blue=blue/64 @@ -232,15 +268,17 @@ "popl %%ebx\n" : : "m" (cr), "r"(cb),"r"(lum), - "r"(row1),"r"(cols),"r"(row2),"m"(x),"m"(y),"m"(mod), - [_MMX_0080w] "m" (*MMX_0080w), - [_MMX_00FFw] "m" (*MMX_00FFw), - [_MMX_FF00w] "m" (*MMX_FF00w), - [_MMX_VgrnRGB] "m" (*MMX_VgrnRGB), - [_MMX_VredRGB] "m" (*MMX_VredRGB), - [_MMX_UgrnRGB] "m" (*MMX_UgrnRGB), - [_MMX_UbluRGB] "m" (*MMX_UbluRGB) - ); + "r"(row1),"r"(cols),"r"(row2),"m"(x),"m"(y),"m"(mod) +#ifndef GCC2_HACK + ,[_MMX_0080w] "m" (*MMX_0080w), + [_MMX_00FFw] "m" (*MMX_00FFw), + [_MMX_FF00w] "m" (*MMX_FF00w), + [_MMX_VgrnRGB] "m" (*MMX_VgrnRGB), + [_MMX_VredRGB] "m" (*MMX_VredRGB), + [_MMX_UgrnRGB] "m" (*MMX_UgrnRGB), + [_MMX_UbluRGB] "m" (*MMX_UbluRGB) +#endif + ); } void Color565DitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix, @@ -269,21 +307,48 @@ "movd (%%ebx), %%mm1\n" // 4 Cr 0 0 0 0 v3 v2 v1 v0 "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 +#ifdef GCC2_HACK + "psubw _MMX_0080w, %%mm0\n" + "psubw _MMX_0080w, %%mm1\n" +#else "psubw %[_MMX_0080w], %%mm0\n" "psubw %[_MMX_0080w], %%mm1\n" +#endif "movq %%mm0, %%mm2\n" // Cb 0 u3 0 u2 0 u1 0 u0 "movq %%mm1, %%mm3\n" // Cr +#ifdef GCC2_HACK + "pmullw _MMX_Ugrn565, %%mm2\n" // Cb2green 0 R3 0 R2 0 R1 0 R0 +#else "pmullw %[_MMX_Ugrn565], %%mm2\n" // Cb2green 0 R3 0 R2 0 R1 0 R0 +#endif "movq (%2), %%mm6\n" // L1 l7 L6 L5 L4 L3 L2 L1 L0 +#ifdef GCC2_HACK + "pmullw _MMX_Ublu5x5, %%mm0\n" // Cb2blue + "pand _MMX_00FFw, %%mm6\n" // L1 00 L6 00 L4 00 L2 00 L0 + "pmullw _MMX_Vgrn565, %%mm3\n" // Cr2green +#else "pmullw %[_MMX_Ublu5x5], %%mm0\n" // Cb2blue "pand %[_MMX_00FFw], %%mm6\n" // L1 00 L6 00 L4 00 L2 00 L0 "pmullw %[_MMX_Vgrn565], %%mm3\n" // Cr2green +#endif "movq (%2), %%mm7\n" // L2 +#ifdef GCC2_HACK + "pmullw _MMX_Vred5x5, %%mm1\n" // Cr2red +#else "pmullw %[_MMX_Vred5x5], %%mm1\n" // Cr2red +#endif "psrlw $8, %%mm7\n" // L2 00 L7 00 L5 00 L3 00 L1 +#ifdef GCC2_HACK + "pmullw _MMX_Ycoeff, %%mm6\n" // lum1 +#else "pmullw %[_MMX_Ycoeff], %%mm6\n" // lum1 +#endif "paddw %%mm3, %%mm2\n" // Cb2green + Cr2green == green +#ifdef GCC2_HACK + "pmullw _MMX_Ycoeff, %%mm7\n" // lum2 +#else "pmullw %[_MMX_Ycoeff], %%mm7\n" // lum2 +#endif "movq %%mm6, %%mm4\n" // lum1 "paddw %%mm0, %%mm6\n" // lum1 +blue 00 B6 00 B4 00 B2 00 B0 @@ -301,11 +366,20 @@ "punpcklbw %%mm4, %%mm4\n" "punpcklbw %%mm5, %%mm5\n" +#ifdef GCC2_HACK + "pand _MMX_red565, %%mm4\n" +#else "pand %[_MMX_red565], %%mm4\n" +#endif "psllw $3, %%mm5\n" // GREEN 1 "punpcklbw %%mm6, %%mm6\n" +#ifdef GCC2_HACK + "pand _MMX_grn565, %%mm5\n" + "pand _MMX_red565, %%mm6\n" +#else "pand %[_MMX_grn565], %%mm5\n" "pand %[_MMX_red565], %%mm6\n" +#endif "por %%mm5, %%mm4\n" // "psrlw $11, %%mm6\n" // BLUE 1 "movq %%mm3, %%mm5\n" // lum2 @@ -319,23 +393,44 @@ "packuswb %%mm3, %%mm3\n" "packuswb %%mm5, %%mm5\n" "packuswb %%mm7, %%mm7\n" +#ifdef GCC2_HACK + "pand _MMX_00FFw, %%mm6\n" // L3 +#else "pand %[_MMX_00FFw], %%mm6\n" // L3 +#endif "punpcklbw %%mm3, %%mm3\n" "punpcklbw %%mm5, %%mm5\n" +#ifdef GCC2_HACK + "pmullw _MMX_Ycoeff, %%mm6\n" // lum3 +#else "pmullw %[_MMX_Ycoeff], %%mm6\n" // lum3 +#endif "punpcklbw %%mm7, %%mm7\n" "psllw $3, %%mm5\n" // GREEN 2 +#ifdef GCC2_HACK + "pand _MMX_red565, %%mm7\n" + "pand _MMX_red565, %%mm3\n" +#else "pand %[_MMX_red565], %%mm7\n" "pand %[_MMX_red565], %%mm3\n" +#endif "psrlw $11, %%mm7\n" // BLUE 2 +#ifdef GCC2_HACK + "pand _MMX_grn565, %%mm5\n" +#else "pand %[_MMX_grn565], %%mm5\n" +#endif "por %%mm7, %%mm3\n" "movq (%2,%4), %%mm7\n" // L4 load lum2 "por %%mm5, %%mm3\n" // "psrlw $8, %%mm7\n" // L4 "movq %%mm4, %%mm5\n" "punpcklwd %%mm3, %%mm4\n" +#ifdef GCC2_HACK + "pmullw _MMX_Ycoeff, %%mm7\n" // lum4 +#else "pmullw %[_MMX_Ycoeff], %%mm7\n" // lum4 +#endif "punpckhwd %%mm3, %%mm5\n" "movq %%mm4, (%3)\n" // write row1 @@ -362,11 +457,20 @@ "punpcklbw %%mm5, %%mm5\n" "punpcklbw %%mm6, %%mm6\n" "psllw $3, %%mm5\n" // GREEN 3 +#ifdef GCC2_HACK + "pand _MMX_red565, %%mm4\n" +#else "pand %[_MMX_red565], %%mm4\n" +#endif "psraw $6, %%mm3\n" // psr 6 "psraw $6, %%mm0\n" +#ifdef GCC2_HACK + "pand _MMX_red565, %%mm6\n" // BLUE + "pand _MMX_grn565, %%mm5\n" +#else "pand %[_MMX_red565], %%mm6\n" // BLUE "pand %[_MMX_grn565], %%mm5\n" +#endif "psrlw $11, %%mm6\n" // BLUE 3 "por %%mm5, %%mm4\n" "psraw $6, %%mm7\n" @@ -377,11 +481,20 @@ "punpcklbw %%mm3, %%mm3\n" "punpcklbw %%mm0, %%mm0\n" "punpcklbw %%mm7, %%mm7\n" +#ifdef GCC2_HACK + "pand _MMX_red565, %%mm3\n" + "pand _MMX_red565, %%mm7\n" // BLUE +#else "pand %[_MMX_red565], %%mm3\n" "pand %[_MMX_red565], %%mm7\n" // BLUE +#endif "psllw $3, %%mm0\n" // GREEN 4 "psrlw $11, %%mm7\n" +#ifdef GCC2_HACK + "pand _MMX_grn565, %%mm0\n" +#else "pand %[_MMX_grn565], %%mm0\n" +#endif "por %%mm7, %%mm3\n" "por %%mm0, %%mm3\n" @@ -411,10 +524,11 @@ "jl 1b\n" "emms\n" "popl %%ebx\n" - : - :"m" (cr), "r"(cb),"r"(lum), - "r"(row1),"r"(cols),"r"(row2),"m"(x),"m"(y),"m"(mod), - [_MMX_0080w] "m" (*MMX_0080w), + : + :"m" (cr), "r"(cb),"r"(lum), + "r"(row1),"r"(cols),"r"(row2),"m"(x),"m"(y),"m"(mod) +#ifndef GCC2_HACK + ,[_MMX_0080w] "m" (*MMX_0080w), [_MMX_Ugrn565] "m" (*MMX_Ugrn565), [_MMX_Ublu5x5] "m" (*MMX_Ublu5x5), [_MMX_00FFw] "m" (*MMX_00FFw), @@ -423,7 +537,10 @@ [_MMX_Ycoeff] "m" (*MMX_Ycoeff), [_MMX_red565] "m" (*MMX_red565), [_MMX_grn565] "m" (*MMX_grn565) - ); +#endif + ); } +#undef GCC2_HACK + #endif /* GCC i386 inline assembly */