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Diffstat (limited to 'src/video/SDL_blit_N.c')
| -rw-r--r-- | src/video/SDL_blit_N.c | 2492 |
1 files changed, 2492 insertions, 0 deletions
diff --git a/src/video/SDL_blit_N.c b/src/video/SDL_blit_N.c new file mode 100644 index 0000000..e4f9589 --- /dev/null +++ b/src/video/SDL_blit_N.c @@ -0,0 +1,2492 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2009 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Sam Lantinga + slouken@libsdl.org +*/ +#include "SDL_config.h" + +#include "SDL_video.h" +#include "SDL_endian.h" +#include "SDL_cpuinfo.h" +#include "SDL_blit.h" + +/* Functions to blit from N-bit surfaces to other surfaces */ + +#if SDL_ALTIVEC_BLITTERS +#if __MWERKS__ +#pragma altivec_model on +#endif +#ifdef HAVE_ALTIVEC_H +#include <altivec.h> +#endif +#define assert(X) +#ifdef __MACOSX__ +#include <sys/sysctl.h> +static size_t GetL3CacheSize( void ) +{ + const char key[] = "hw.l3cachesize"; + u_int64_t result = 0; + size_t typeSize = sizeof( result ); + + + int err = sysctlbyname( key, &result, &typeSize, NULL, 0 ); + if( 0 != err ) return 0; + + return result; +} +#else +static size_t GetL3CacheSize( void ) +{ + /* XXX: Just guess G4 */ + return 2097152; +} +#endif /* __MACOSX__ */ + +#if (defined(__MACOSX__) && (__GNUC__ < 4)) + #define VECUINT8_LITERAL(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) \ + (vector unsigned char) ( a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p ) + #define VECUINT16_LITERAL(a,b,c,d,e,f,g,h) \ + (vector unsigned short) ( a,b,c,d,e,f,g,h ) +#else + #define VECUINT8_LITERAL(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) \ + (vector unsigned char) { a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p } + #define VECUINT16_LITERAL(a,b,c,d,e,f,g,h) \ + (vector unsigned short) { a,b,c,d,e,f,g,h } +#endif + +#define UNALIGNED_PTR(x) (((size_t) x) & 0x0000000F) +#define VSWIZZLE32(a,b,c,d) (vector unsigned char) \ + ( 0x00+a, 0x00+b, 0x00+c, 0x00+d, \ + 0x04+a, 0x04+b, 0x04+c, 0x04+d, \ + 0x08+a, 0x08+b, 0x08+c, 0x08+d, \ + 0x0C+a, 0x0C+b, 0x0C+c, 0x0C+d ) + +#define MAKE8888(dstfmt, r, g, b, a) \ + ( ((r<<dstfmt->Rshift)&dstfmt->Rmask) | \ + ((g<<dstfmt->Gshift)&dstfmt->Gmask) | \ + ((b<<dstfmt->Bshift)&dstfmt->Bmask) | \ + ((a<<dstfmt->Ashift)&dstfmt->Amask) ) + +/* + * Data Stream Touch...Altivec cache prefetching. + * + * Don't use this on a G5...however, the speed boost is very significant + * on a G4. + */ +#define DST_CHAN_SRC 1 +#define DST_CHAN_DEST 2 + +/* macro to set DST control word value... */ +#define DST_CTRL(size, count, stride) \ + (((size) << 24) | ((count) << 16) | (stride)) + +#define VEC_ALIGNER(src) ((UNALIGNED_PTR(src)) \ + ? vec_lvsl(0, src) \ + : vec_add(vec_lvsl(8, src), vec_splat_u8(8))) + +/* Calculate the permute vector used for 32->32 swizzling */ +static vector unsigned char calc_swizzle32(const SDL_PixelFormat *srcfmt, + const SDL_PixelFormat *dstfmt) +{ + /* + * We have to assume that the bits that aren't used by other + * colors is alpha, and it's one complete byte, since some formats + * leave alpha with a zero mask, but we should still swizzle the bits. + */ + /* ARGB */ + const static struct SDL_PixelFormat default_pixel_format = { + NULL, 0, 0, + 0, 0, 0, 0, + 16, 8, 0, 24, + 0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000, + 0, 0}; + if (!srcfmt) { + srcfmt = &default_pixel_format; + } + if (!dstfmt) { + dstfmt = &default_pixel_format; + } + const vector unsigned char plus = VECUINT8_LITERAL( + 0x00, 0x00, 0x00, 0x00, + 0x04, 0x04, 0x04, 0x04, + 0x08, 0x08, 0x08, 0x08, + 0x0C, 0x0C, 0x0C, 0x0C ); + vector unsigned char vswiz; + vector unsigned int srcvec; +#define RESHIFT(X) (3 - ((X) >> 3)) + Uint32 rmask = RESHIFT(srcfmt->Rshift) << (dstfmt->Rshift); + Uint32 gmask = RESHIFT(srcfmt->Gshift) << (dstfmt->Gshift); + Uint32 bmask = RESHIFT(srcfmt->Bshift) << (dstfmt->Bshift); + Uint32 amask; + /* Use zero for alpha if either surface doesn't have alpha */ + if (dstfmt->Amask) { + amask = ((srcfmt->Amask) ? RESHIFT(srcfmt->Ashift) : 0x10) << (dstfmt->Ashift); + } else { + amask = 0x10101010 & ((dstfmt->Rmask | dstfmt->Gmask | dstfmt->Bmask) ^ 0xFFFFFFFF); + } +#undef RESHIFT + ((unsigned int *)(char*)&srcvec)[0] = (rmask | gmask | bmask | amask); + vswiz = vec_add(plus, (vector unsigned char)vec_splat(srcvec, 0)); + return(vswiz); +} + +static void Blit_RGB888_RGB565(SDL_BlitInfo *info); +static void Blit_RGB888_RGB565Altivec(SDL_BlitInfo *info) { + int height = info->d_height; + Uint8 *src = (Uint8 *) info->s_pixels; + int srcskip = info->s_skip; + Uint8 *dst = (Uint8 *) info->d_pixels; + int dstskip = info->d_skip; + SDL_PixelFormat *srcfmt = info->src; + vector unsigned char valpha = vec_splat_u8(0); + vector unsigned char vpermute = calc_swizzle32(srcfmt, NULL); + vector unsigned char vgmerge = VECUINT8_LITERAL( + 0x00, 0x02, 0x00, 0x06, + 0x00, 0x0a, 0x00, 0x0e, + 0x00, 0x12, 0x00, 0x16, + 0x00, 0x1a, 0x00, 0x1e); + vector unsigned short v1 = vec_splat_u16(1); + vector unsigned short v3 = vec_splat_u16(3); + vector unsigned short v3f = VECUINT16_LITERAL( + 0x003f, 0x003f, 0x003f, 0x003f, + 0x003f, 0x003f, 0x003f, 0x003f); + vector unsigned short vfc = VECUINT16_LITERAL( + 0x00fc, 0x00fc, 0x00fc, 0x00fc, + 0x00fc, 0x00fc, 0x00fc, 0x00fc); + vector unsigned short vf800 = (vector unsigned short)vec_splat_u8(-7); + vf800 = vec_sl(vf800, vec_splat_u16(8)); + + while (height--) { + vector unsigned char valigner; + vector unsigned char voverflow; + vector unsigned char vsrc; + + int width = info->d_width; + int extrawidth; + + /* do scalar until we can align... */ +#define ONE_PIXEL_BLEND(condition, widthvar) \ + while (condition) { \ + Uint32 Pixel; \ + unsigned sR, sG, sB, sA; \ + DISEMBLE_RGBA((Uint8 *)src, 4, srcfmt, Pixel, \ + sR, sG, sB, sA); \ + *(Uint16 *)(dst) = (((sR << 8) & 0x0000F800) | \ + ((sG << 3) & 0x000007E0) | \ + ((sB >> 3) & 0x0000001F)); \ + dst += 2; \ + src += 4; \ + widthvar--; \ + } + + ONE_PIXEL_BLEND(((UNALIGNED_PTR(dst)) && (width)), width); + + /* After all that work, here's the vector part! */ + extrawidth = (width % 8); /* trailing unaligned stores */ + width -= extrawidth; + vsrc = vec_ld(0, src); + valigner = VEC_ALIGNER(src); + + while (width) { + vector unsigned short vpixel, vrpixel, vgpixel, vbpixel; + vector unsigned int vsrc1, vsrc2; + vector unsigned char vdst; + + voverflow = vec_ld(15, src); + vsrc = vec_perm(vsrc, voverflow, valigner); + vsrc1 = (vector unsigned int)vec_perm(vsrc, valpha, vpermute); + src += 16; + vsrc = voverflow; + voverflow = vec_ld(15, src); + vsrc = vec_perm(vsrc, voverflow, valigner); + vsrc2 = (vector unsigned int)vec_perm(vsrc, valpha, vpermute); + /* 1555 */ + vpixel = (vector unsigned short)vec_packpx(vsrc1, vsrc2); + vgpixel = (vector unsigned short)vec_perm(vsrc1, vsrc2, vgmerge); + vgpixel = vec_and(vgpixel, vfc); + vgpixel = vec_sl(vgpixel, v3); + vrpixel = vec_sl(vpixel, v1); + vrpixel = vec_and(vrpixel, vf800); + vbpixel = vec_and(vpixel, v3f); + vdst = vec_or((vector unsigned char)vrpixel, (vector unsigned char)vgpixel); + /* 565 */ + vdst = vec_or(vdst, (vector unsigned char)vbpixel); + vec_st(vdst, 0, dst); + + width -= 8; + src += 16; + dst += 16; + vsrc = voverflow; + } + + assert(width == 0); + + /* do scalar until we can align... */ + ONE_PIXEL_BLEND((extrawidth), extrawidth); +#undef ONE_PIXEL_BLEND + + src += srcskip; /* move to next row, accounting for pitch. */ + dst += dstskip; + } + + +} + +static void Blit_RGB565_32Altivec(SDL_BlitInfo *info) { + int height = info->d_height; + Uint8 *src = (Uint8 *) info->s_pixels; + int srcskip = info->s_skip; + Uint8 *dst = (Uint8 *) info->d_pixels; + int dstskip = info->d_skip; + SDL_PixelFormat *srcfmt = info->src; + SDL_PixelFormat *dstfmt = info->dst; + unsigned alpha; + vector unsigned char valpha; + vector unsigned char vpermute; + vector unsigned short vf800; + vector unsigned int v8 = vec_splat_u32(8); + vector unsigned int v16 = vec_add(v8, v8); + vector unsigned short v2 = vec_splat_u16(2); + vector unsigned short v3 = vec_splat_u16(3); + /* + 0x10 - 0x1f is the alpha + 0x00 - 0x0e evens are the red + 0x01 - 0x0f odds are zero + */ + vector unsigned char vredalpha1 = VECUINT8_LITERAL( + 0x10, 0x00, 0x01, 0x01, + 0x10, 0x02, 0x01, 0x01, + 0x10, 0x04, 0x01, 0x01, + 0x10, 0x06, 0x01, 0x01 + ); + vector unsigned char vredalpha2 = (vector unsigned char) ( + vec_add((vector unsigned int)vredalpha1, vec_sl(v8, v16)) + ); + /* + 0x00 - 0x0f is ARxx ARxx ARxx ARxx + 0x11 - 0x0f odds are blue + */ + vector unsigned char vblue1 = VECUINT8_LITERAL( + 0x00, 0x01, 0x02, 0x11, + 0x04, 0x05, 0x06, 0x13, + 0x08, 0x09, 0x0a, 0x15, + 0x0c, 0x0d, 0x0e, 0x17 + ); + vector unsigned char vblue2 = (vector unsigned char)( + vec_add((vector unsigned int)vblue1, v8) + ); + /* + 0x00 - 0x0f is ARxB ARxB ARxB ARxB + 0x10 - 0x0e evens are green + */ + vector unsigned char vgreen1 = VECUINT8_LITERAL( + 0x00, 0x01, 0x10, 0x03, + 0x04, 0x05, 0x12, 0x07, + 0x08, 0x09, 0x14, 0x0b, + 0x0c, 0x0d, 0x16, 0x0f + ); + vector unsigned char vgreen2 = (vector unsigned char)( + vec_add((vector unsigned int)vgreen1, vec_sl(v8, v8)) + ); + + + assert(srcfmt->BytesPerPixel == 2); + assert(dstfmt->BytesPerPixel == 4); + + vf800 = (vector unsigned short)vec_splat_u8(-7); + vf800 = vec_sl(vf800, vec_splat_u16(8)); + + if (dstfmt->Amask && srcfmt->alpha) { + ((unsigned char *)&valpha)[0] = alpha = srcfmt->alpha; + valpha = vec_splat(valpha, 0); + } else { + alpha = 0; + valpha = vec_splat_u8(0); + } + + vpermute = calc_swizzle32(NULL, dstfmt); + while (height--) { + vector unsigned char valigner; + vector unsigned char voverflow; + vector unsigned char vsrc; + + int width = info->d_width; + int extrawidth; + + /* do scalar until we can align... */ +#define ONE_PIXEL_BLEND(condition, widthvar) \ + while (condition) { \ + unsigned sR, sG, sB; \ + unsigned short Pixel = *((unsigned short *)src); \ + sR = (Pixel >> 8) & 0xf8; \ + sG = (Pixel >> 3) & 0xfc; \ + sB = (Pixel << 3) & 0xf8; \ + ASSEMBLE_RGBA(dst, 4, dstfmt, sR, sG, sB, alpha); \ + src += 2; \ + dst += 4; \ + widthvar--; \ + } + ONE_PIXEL_BLEND(((UNALIGNED_PTR(dst)) && (width)), width); + + /* After all that work, here's the vector part! */ + extrawidth = (width % 8); /* trailing unaligned stores */ + width -= extrawidth; + vsrc = vec_ld(0, src); + valigner = VEC_ALIGNER(src); + + while (width) { + vector unsigned short vR, vG, vB; + vector unsigned char vdst1, vdst2; + + voverflow = vec_ld(15, src); + vsrc = vec_perm(vsrc, voverflow, valigner); + + vR = vec_and((vector unsigned short)vsrc, vf800); + vB = vec_sl((vector unsigned short)vsrc, v3); + vG = vec_sl(vB, v2); + + vdst1 = (vector unsigned char)vec_perm((vector unsigned char)vR, valpha, vredalpha1); + vdst1 = vec_perm(vdst1, (vector unsigned char)vB, vblue1); + vdst1 = vec_perm(vdst1, (vector unsigned char)vG, vgreen1); + vdst1 = vec_perm(vdst1, valpha, vpermute); + vec_st(vdst1, 0, dst); + + vdst2 = (vector unsigned char)vec_perm((vector unsigned char)vR, valpha, vredalpha2); + vdst2 = vec_perm(vdst2, (vector unsigned char)vB, vblue2); + vdst2 = vec_perm(vdst2, (vector unsigned char)vG, vgreen2); + vdst2 = vec_perm(vdst2, valpha, vpermute); + vec_st(vdst2, 16, dst); + + width -= 8; + dst += 32; + src += 16; + vsrc = voverflow; + } + + assert(width == 0); + + + /* do scalar until we can align... */ + ONE_PIXEL_BLEND((extrawidth), extrawidth); +#undef ONE_PIXEL_BLEND + + src += srcskip; /* move to next row, accounting for pitch. */ + dst += dstskip; + } + +} + + +static void Blit_RGB555_32Altivec(SDL_BlitInfo *info) { + int height = info->d_height; + Uint8 *src = (Uint8 *) info->s_pixels; + int srcskip = info->s_skip; + Uint8 *dst = (Uint8 *) info->d_pixels; + int dstskip = info->d_skip; + SDL_PixelFormat *srcfmt = info->src; + SDL_PixelFormat *dstfmt = info->dst; + unsigned alpha; + vector unsigned char valpha; + vector unsigned char vpermute; + vector unsigned short vf800; + vector unsigned int v8 = vec_splat_u32(8); + vector unsigned int v16 = vec_add(v8, v8); + vector unsigned short v1 = vec_splat_u16(1); + vector unsigned short v3 = vec_splat_u16(3); + /* + 0x10 - 0x1f is the alpha + 0x00 - 0x0e evens are the red + 0x01 - 0x0f odds are zero + */ + vector unsigned char vredalpha1 = VECUINT8_LITERAL( + 0x10, 0x00, 0x01, 0x01, + 0x10, 0x02, 0x01, 0x01, + 0x10, 0x04, 0x01, 0x01, + 0x10, 0x06, 0x01, 0x01 + ); + vector unsigned char vredalpha2 = (vector unsigned char)( + vec_add((vector unsigned int)vredalpha1, vec_sl(v8, v16)) + ); + /* + 0x00 - 0x0f is ARxx ARxx ARxx ARxx + 0x11 - 0x0f odds are blue + */ + vector unsigned char vblue1 = VECUINT8_LITERAL( + 0x00, 0x01, 0x02, 0x11, + 0x04, 0x05, 0x06, 0x13, + 0x08, 0x09, 0x0a, 0x15, + 0x0c, 0x0d, 0x0e, 0x17 + ); + vector unsigned char vblue2 = (vector unsigned char)( + vec_add((vector unsigned int)vblue1, v8) + ); + /* + 0x00 - 0x0f is ARxB ARxB ARxB ARxB + 0x10 - 0x0e evens are green + */ + vector unsigned char vgreen1 = VECUINT8_LITERAL( + 0x00, 0x01, 0x10, 0x03, + 0x04, 0x05, 0x12, 0x07, + 0x08, 0x09, 0x14, 0x0b, + 0x0c, 0x0d, 0x16, 0x0f + ); + vector unsigned char vgreen2 = (vector unsigned char)( + vec_add((vector unsigned int)vgreen1, vec_sl(v8, v8)) + ); + + + assert(srcfmt->BytesPerPixel == 2); + assert(dstfmt->BytesPerPixel == 4); + + vf800 = (vector unsigned short)vec_splat_u8(-7); + vf800 = vec_sl(vf800, vec_splat_u16(8)); + + if (dstfmt->Amask && srcfmt->alpha) { + ((unsigned char *)&valpha)[0] = alpha = srcfmt->alpha; + valpha = vec_splat(valpha, 0); + } else { + alpha = 0; + valpha = vec_splat_u8(0); + } + + vpermute = calc_swizzle32(NULL, dstfmt); + while (height--) { + vector unsigned char valigner; + vector unsigned char voverflow; + vector unsigned char vsrc; + + int width = info->d_width; + int extrawidth; + + /* do scalar until we can align... */ +#define ONE_PIXEL_BLEND(condition, widthvar) \ + while (condition) { \ + unsigned sR, sG, sB; \ + unsigned short Pixel = *((unsigned short *)src); \ + sR = (Pixel >> 7) & 0xf8; \ + sG = (Pixel >> 2) & 0xf8; \ + sB = (Pixel << 3) & 0xf8; \ + ASSEMBLE_RGBA(dst, 4, dstfmt, sR, sG, sB, alpha); \ + src += 2; \ + dst += 4; \ + widthvar--; \ + } + ONE_PIXEL_BLEND(((UNALIGNED_PTR(dst)) && (width)), width); + + /* After all that work, here's the vector part! */ + extrawidth = (width % 8); /* trailing unaligned stores */ + width -= extrawidth; + vsrc = vec_ld(0, src); + valigner = VEC_ALIGNER(src); + + while (width) { + vector unsigned short vR, vG, vB; + vector unsigned char vdst1, vdst2; + + voverflow = vec_ld(15, src); + vsrc = vec_perm(vsrc, voverflow, valigner); + + vR = vec_and(vec_sl((vector unsigned short)vsrc,v1), vf800); + vB = vec_sl((vector unsigned short)vsrc, v3); + vG = vec_sl(vB, v3); + + vdst1 = (vector unsigned char)vec_perm((vector unsigned char)vR, valpha, vredalpha1); + vdst1 = vec_perm(vdst1, (vector unsigned char)vB, vblue1); + vdst1 = vec_perm(vdst1, (vector unsigned char)vG, vgreen1); + vdst1 = vec_perm(vdst1, valpha, vpermute); + vec_st(vdst1, 0, dst); + + vdst2 = (vector unsigned char)vec_perm((vector unsigned char)vR, valpha, vredalpha2); + vdst2 = vec_perm(vdst2, (vector unsigned char)vB, vblue2); + vdst2 = vec_perm(vdst2, (vector unsigned char)vG, vgreen2); + vdst2 = vec_perm(vdst2, valpha, vpermute); + vec_st(vdst2, 16, dst); + + width -= 8; + dst += 32; + src += 16; + vsrc = voverflow; + } + + assert(width == 0); + + + /* do scalar until we can align... */ + ONE_PIXEL_BLEND((extrawidth), extrawidth); +#undef ONE_PIXEL_BLEND + + src += srcskip; /* move to next row, accounting for pitch. */ + dst += dstskip; + } + +} + +static void BlitNtoNKey(SDL_BlitInfo *info); +static void BlitNtoNKeyCopyAlpha(SDL_BlitInfo *info); +static void Blit32to32KeyAltivec(SDL_BlitInfo *info) +{ + int height = info->d_height; + Uint32 *srcp = (Uint32 *) info->s_pixels; + int srcskip = info->s_skip; + Uint32 *dstp = (Uint32 *) info->d_pixels; + int dstskip = info->d_skip; + SDL_PixelFormat *srcfmt = info->src; + int srcbpp = srcfmt->BytesPerPixel; + SDL_PixelFormat *dstfmt = info->dst; + int dstbpp = dstfmt->BytesPerPixel; + int copy_alpha = (srcfmt->Amask && dstfmt->Amask); + unsigned alpha = dstfmt->Amask ? srcfmt->alpha : 0; + Uint32 rgbmask = srcfmt->Rmask | srcfmt->Gmask | srcfmt->Bmask; + Uint32 ckey = info->src->colorkey; + vector unsigned int valpha; + vector unsigned char vpermute; + vector unsigned char vzero; + vector unsigned int vckey; + vector unsigned int vrgbmask; + vpermute = calc_swizzle32(srcfmt, dstfmt); + if (info->d_width < 16) { + if(copy_alpha) { + BlitNtoNKeyCopyAlpha(info); + } else { + BlitNtoNKey(info); + } + return; + } + vzero = vec_splat_u8(0); + if (alpha) { + ((unsigned char *)&valpha)[0] = (unsigned char)alpha; + valpha = (vector unsigned int)vec_splat((vector unsigned char)valpha, 0); + } else { + valpha = (vector unsigned int)vzero; + } + ckey &= rgbmask; + ((unsigned int *)(char*)&vckey)[0] = ckey; + vckey = vec_splat(vckey, 0); + ((unsigned int *)(char*)&vrgbmask)[0] = rgbmask; + vrgbmask = vec_splat(vrgbmask, 0); + + while (height--) { +#define ONE_PIXEL_BLEND(condition, widthvar) \ + if (copy_alpha) { \ + while (condition) { \ + Uint32 Pixel; \ + unsigned sR, sG, sB, sA; \ + DISEMBLE_RGBA((Uint8 *)srcp, srcbpp, srcfmt, Pixel, \ + sR, sG, sB, sA); \ + if ( (Pixel & rgbmask) != ckey ) { \ + ASSEMBLE_RGBA((Uint8 *)dstp, dstbpp, dstfmt, \ + sR, sG, sB, sA); \ + } \ + dstp = (Uint32 *) (((Uint8 *) dstp) + dstbpp); \ + srcp = (Uint32 *) (((Uint8 *) srcp) + srcbpp); \ + widthvar--; \ + } \ + } else { \ + while (condition) { \ + Uint32 Pixel; \ + unsigned sR, sG, sB; \ + RETRIEVE_RGB_PIXEL((Uint8 *)srcp, srcbpp, Pixel); \ + if ( Pixel != ckey ) { \ + RGB_FROM_PIXEL(Pixel, srcfmt, sR, sG, sB); \ + ASSEMBLE_RGBA((Uint8 *)dstp, dstbpp, dstfmt, \ + sR, sG, sB, alpha); \ + } \ + dstp = (Uint32 *) (((Uint8 *)dstp) + dstbpp); \ + srcp = (Uint32 *) (((Uint8 *)srcp) + srcbpp); \ + widthvar--; \ + } \ + } + int width = info->d_width; + ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); + assert(width > 0); + if (width > 0) { + int extrawidth = (width % 4); + vector unsigned char valigner = VEC_ALIGNER(srcp); + vector unsigned int vs = vec_ld(0, srcp); + width -= extrawidth; + assert(width >= 4); + while (width) { + vector unsigned char vsel; + vector unsigned int vd; + vector unsigned int voverflow = vec_ld(15, srcp); + /* load the source vec */ + vs = vec_perm(vs, voverflow, valigner); + /* vsel is set for items that match the key */ + vsel = (vector unsigned char)vec_and(vs, vrgbmask); + vsel = (vector unsigned char)vec_cmpeq(vs, vckey); + /* permute the src vec to the dest format */ + vs = vec_perm(vs, valpha, vpermute); + /* load the destination vec */ + vd = vec_ld(0, dstp); + /* select the source and dest into vs */ + vd = (vector unsigned int)vec_sel((vector unsigned char)vs, (vector unsigned char)vd, vsel); + + vec_st(vd, 0, dstp); + srcp += 4; + width -= 4; + dstp += 4; + vs = voverflow; + } + ONE_PIXEL_BLEND((extrawidth), extrawidth); +#undef ONE_PIXEL_BLEND + srcp += srcskip >> 2; + dstp += dstskip >> 2; + } + } +} + +/* Altivec code to swizzle one 32-bit surface to a different 32-bit format. */ +/* Use this on a G5 */ +static void ConvertAltivec32to32_noprefetch(SDL_BlitInfo *info) +{ + int height = info->d_height; + Uint32 *src = (Uint32 *) info->s_pixels; + int srcskip = info->s_skip; + Uint32 *dst = (Uint32 *) info->d_pixels; + int dstskip = info->d_skip; + SDL_PixelFormat *srcfmt = info->src; + SDL_PixelFormat *dstfmt = info->dst; + vector unsigned int vzero = vec_splat_u32(0); + vector unsigned char vpermute = calc_swizzle32(srcfmt, dstfmt); + if (dstfmt->Amask && !srcfmt->Amask) { + if (srcfmt->alpha) { + vector unsigned char valpha; + ((unsigned char *)&valpha)[0] = srcfmt->alpha; + vzero = (vector unsigned int)vec_splat(valpha, 0); + } + } + + assert(srcfmt->BytesPerPixel == 4); + assert(dstfmt->BytesPerPixel == 4); + + while (height--) { + vector unsigned char valigner; + vector unsigned int vbits; + vector unsigned int voverflow; + Uint32 bits; + Uint8 r, g, b, a; + + int width = info->d_width; + int extrawidth; + + /* do scalar until we can align... */ + while ((UNALIGNED_PTR(dst)) && (width)) { + bits = *(src++); + RGBA_FROM_8888(bits, srcfmt, r, g, b, a); + *(dst++) = MAKE8888(dstfmt, r, g, b, a); + width--; + } + + /* After all that work, here's the vector part! */ + extrawidth = (width % 4); + width -= extrawidth; + valigner = VEC_ALIGNER(src); + vbits = vec_ld(0, src); + + while (width) { + voverflow = vec_ld(15, src); + src += 4; + width -= 4; + vbits = vec_perm(vbits, voverflow, valigner); /* src is ready. */ + vbits = vec_perm(vbits, vzero, vpermute); /* swizzle it. */ + vec_st(vbits, 0, dst); /* store it back out. */ + dst += 4; + vbits = voverflow; + } + + assert(width == 0); + + /* cover pixels at the end of the row that didn't fit in 16 bytes. */ + while (extrawidth) { + bits = *(src++); /* max 7 pixels, don't bother with prefetch. */ + RGBA_FROM_8888(bits, srcfmt, r, g, b, a); + *(dst++) = MAKE8888(dstfmt, r, g, b, a); + extrawidth--; + } + + src += srcskip >> 2; /* move to next row, accounting for pitch. */ + dst += dstskip >> 2; + } + +} + +/* Altivec code to swizzle one 32-bit surface to a different 32-bit format. */ +/* Use this on a G4 */ +static void ConvertAltivec32to32_prefetch(SDL_BlitInfo *info) +{ + const int scalar_dst_lead = sizeof (Uint32) * 4; + const int vector_dst_lead = sizeof (Uint32) * 16; + + int height = info->d_height; + Uint32 *src = (Uint32 *) info->s_pixels; + int srcskip = info->s_skip; + Uint32 *dst = (Uint32 *) info->d_pixels; + int dstskip = info->d_skip; + SDL_PixelFormat *srcfmt = info->src; + SDL_PixelFormat *dstfmt = info->dst; + vector unsigned int vzero = vec_splat_u32(0); + vector unsigned char vpermute = calc_swizzle32(srcfmt, dstfmt); + if (dstfmt->Amask && !srcfmt->Amask) { + if (srcfmt->alpha) { + vector unsigned char valpha; + ((unsigned char *)&valpha)[0] = srcfmt->alpha; + vzero = (vector unsigned int)vec_splat(valpha, 0); + } + } + + assert(srcfmt->BytesPerPixel == 4); + assert(dstfmt->BytesPerPixel == 4); + + while (height--) { + vector unsigned char valigner; + vector unsigned int vbits; + vector unsigned int voverflow; + Uint32 bits; + Uint8 r, g, b, a; + + int width = info->d_width; + int extrawidth; + + /* do scalar until we can align... */ + while ((UNALIGNED_PTR(dst)) && (width)) { + vec_dstt(src+scalar_dst_lead, DST_CTRL(2,32,1024), DST_CHAN_SRC); + vec_dstst(dst+scalar_dst_lead, DST_CTRL(2,32,1024), DST_CHAN_DEST); + bits = *(src++); + RGBA_FROM_8888(bits, srcfmt, r, g, b, a); + *(dst++) = MAKE8888(dstfmt, r, g, b, a); + width--; + } + + /* After all that work, here's the vector part! */ + extrawidth = (width % 4); + width -= extrawidth; + valigner = VEC_ALIGNER(src); + vbits = vec_ld(0, src); + + while (width) { + vec_dstt(src+vector_dst_lead, DST_CTRL(2,32,1024), DST_CHAN_SRC); + vec_dstst(dst+vector_dst_lead, DST_CTRL(2,32,1024), DST_CHAN_DEST); + voverflow = vec_ld(15, src); + src += 4; + width -= 4; + vbits = vec_perm(vbits, voverflow, valigner); /* src is ready. */ + vbits = vec_perm(vbits, vzero, vpermute); /* swizzle it. */ + vec_st(vbits, 0, dst); /* store it back out. */ + dst += 4; + vbits = voverflow; + } + + assert(width == 0); + + /* cover pixels at the end of the row that didn't fit in 16 bytes. */ + while (extrawidth) { + bits = *(src++); /* max 7 pixels, don't bother with prefetch. */ + RGBA_FROM_8888(bits, srcfmt, r, g, b, a); + *(dst++) = MAKE8888(dstfmt, r, g, b, a); + extrawidth--; + } + + src += srcskip >> 2; /* move to next row, accounting for pitch. */ + dst += dstskip >> 2; + } + + vec_dss(DST_CHAN_SRC); + vec_dss(DST_CHAN_DEST); +} + +static Uint32 GetBlitFeatures( void ) +{ + static Uint32 features = 0xffffffff; + if (features == 0xffffffff) { + /* Provide an override for testing .. */ + char *override = SDL_getenv("SDL_ALTIVEC_BLIT_FEATURES"); + if (override) { + features = 0; + SDL_sscanf(override, "%u", &features); + } else { + features = ( 0 + /* Feature 1 is has-MMX */ + | ((SDL_HasMMX()) ? 1 : 0) + /* Feature 2 is has-AltiVec */ + | ((SDL_HasAltiVec()) ? 2 : 0) + /* Feature 4 is dont-use-prefetch */ + /* !!!! FIXME: Check for G5 or later, not the cache size! Always prefetch on a G4. */ + | ((GetL3CacheSize() == 0) ? 4 : 0) + ); + } + } + return features; +} +#if __MWERKS__ +#pragma altivec_model off +#endif +#else +/* Feature 1 is has-MMX */ +#define GetBlitFeatures() ((Uint32)(SDL_HasMMX() ? 1 : 0)) +#endif + +/* This is now endian dependent */ +#if SDL_BYTEORDER == SDL_LIL_ENDIAN +#define HI 1 +#define LO 0 +#else /* SDL_BYTEORDER == SDL_BIG_ENDIAN */ +#define HI 0 +#define LO 1 +#endif + +#if SDL_HERMES_BLITTERS + +/* Heheheh, we coerce Hermes into using SDL blit information */ +#define X86_ASSEMBLER +#define HermesConverterInterface SDL_BlitInfo +#define HermesClearInterface void +#define STACKCALL + +#include "../hermes/HeadMMX.h" +#include "../hermes/HeadX86.h" + +#else + +/* Special optimized blit for RGB 8-8-8 --> RGB 3-3-2 */ +#define RGB888_RGB332(dst, src) { \ + dst = (Uint8)((((src)&0x00E00000)>>16)| \ + (((src)&0x0000E000)>>11)| \ + (((src)&0x000000C0)>>6)); \ +} +static void Blit_RGB888_index8(SDL_BlitInfo *info) +{ +#ifndef USE_DUFFS_LOOP + int c; +#endif + int width, height; + Uint32 *src; + const Uint8 *map; + Uint8 *dst; + int srcskip, dstskip; + + /* Set up some basic variables */ + width = info->d_width; + height = info->d_height; + src = (Uint32 *)info->s_pixels; + srcskip = info->s_skip/4; + dst = info->d_pixels; + dstskip = info->d_skip; + map = info->table; + + if ( map == NULL ) { + while ( height-- ) { +#ifdef USE_DUFFS_LOOP + DUFFS_LOOP( + RGB888_RGB332(*dst++, *src); + , width); +#else + for ( c=width/4; c; --c ) { + /* Pack RGB into 8bit pixel */ + ++src; + RGB888_RGB332(*dst++, *src); + ++src; + RGB888_RGB332(*dst++, *src); + ++src; + RGB888_RGB332(*dst++, *src); + ++src; + } + switch ( width & 3 ) { + case 3: + RGB888_RGB332(*dst++, *src); + ++src; + case 2: + RGB888_RGB332(*dst++, *src); + ++src; + case 1: + RGB888_RGB332(*dst++, *src); + ++src; + } +#endif /* USE_DUFFS_LOOP */ + src += srcskip; + dst += dstskip; + } + } else { + int Pixel; + + while ( height-- ) { +#ifdef USE_DUFFS_LOOP + DUFFS_LOOP( + RGB888_RGB332(Pixel, *src); + *dst++ = map[Pixel]; + ++src; + , width); +#else + for ( c=width/4; c; --c ) { + /* Pack RGB into 8bit pixel */ + RGB888_RGB332(Pixel, *src); + *dst++ = map[Pixel]; + ++src; + RGB888_RGB332(Pixel, *src); + *dst++ = map[Pixel]; + ++src; + RGB888_RGB332(Pixel, *src); + *dst++ = map[Pixel]; + ++src; + RGB888_RGB332(Pixel, *src); + *dst++ = map[Pixel]; + ++src; + } + switch ( width & 3 ) { + case 3: + RGB888_RGB332(Pixel, *src); + *dst++ = map[Pixel]; + ++src; + case 2: + RGB888_RGB332(Pixel, *src); + *dst++ = map[Pixel]; + ++src; + case 1: + RGB888_RGB332(Pixel, *src); + *dst++ = map[Pixel]; + ++src; + } +#endif /* USE_DUFFS_LOOP */ + src += srcskip; + dst += dstskip; + } + } +} +/* Special optimized blit for RGB 8-8-8 --> RGB 5-5-5 */ +#define RGB888_RGB555(dst, src) { \ + *(Uint16 *)(dst) = (Uint16)((((*src)&0x00F80000)>>9)| \ + (((*src)&0x0000F800)>>6)| \ + (((*src)&0x000000F8)>>3)); \ +} +#define RGB888_RGB555_TWO(dst, src) { \ + *(Uint32 *)(dst) = (((((src[HI])&0x00F80000)>>9)| \ + (((src[HI])&0x0000F800)>>6)| \ + (((src[HI])&0x000000F8)>>3))<<16)| \ + (((src[LO])&0x00F80000)>>9)| \ + (((src[LO])&0x0000F800)>>6)| \ + (((src[LO])&0x000000F8)>>3); \ +} +static void Blit_RGB888_RGB555(SDL_BlitInfo *info) +{ +#ifndef USE_DUFFS_LOOP + int c; +#endif + int width, height; + Uint32 *src; + Uint16 *dst; + int srcskip, dstskip; + + /* Set up some basic variables */ + width = info->d_width; + height = info->d_height; + src = (Uint32 *)info->s_pixels; + srcskip = info->s_skip/4; + dst = (Uint16 *)info->d_pixels; + dstskip = info->d_skip/2; + +#ifdef USE_DUFFS_LOOP + while ( height-- ) { + DUFFS_LOOP( + RGB888_RGB555(dst, src); + ++src; + ++dst; + , width); + src += srcskip; + dst += dstskip; + } +#else + /* Memory align at 4-byte boundary, if necessary */ + if ( (long)dst & 0x03 ) { + /* Don't do anything if width is 0 */ + if ( width == 0 ) { + return; + } + --width; + + while ( height-- ) { + /* Perform copy alignment */ + RGB888_RGB555(dst, src); + ++src; + ++dst; + + /* Copy in 4 pixel chunks */ + for ( c=width/4; c; --c ) { + RGB888_RGB555_TWO(dst, src); + src += 2; + dst += 2; + RGB888_RGB555_TWO(dst, src); + src += 2; + dst += 2; + } + /* Get any leftovers */ + switch (width & 3) { + case 3: + RGB888_RGB555(dst, src); + ++src; + ++dst; + case 2: + RGB888_RGB555_TWO(dst, src); + src += 2; + dst += 2; + break; + case 1: + RGB888_RGB555(dst, src); + ++src; + ++dst; + break; + } + src += srcskip; + dst += dstskip; + } + } else { + while ( height-- ) { + /* Copy in 4 pixel chunks */ + for ( c=width/4; c; --c ) { + RGB888_RGB555_TWO(dst, src); + src += 2; + dst += 2; + RGB888_RGB555_TWO(dst, src); + src += 2; + dst += 2; + } + /* Get any leftovers */ + switch (width & 3) { + case 3: + RGB888_RGB555(dst, src); + ++src; + ++dst; + case 2: + RGB888_RGB555_TWO(dst, src); + src += 2; + dst += 2; + break; + case 1: + RGB888_RGB555(dst, src); + ++src; + ++dst; + break; + } + src += srcskip; + dst += dstskip; + } + } +#endif /* USE_DUFFS_LOOP */ +} +/* Special optimized blit for RGB 8-8-8 --> RGB 5-6-5 */ +#define RGB888_RGB565(dst, src) { \ + *(Uint16 *)(dst) = (Uint16)((((*src)&0x00F80000)>>8)| \ + (((*src)&0x0000FC00)>>5)| \ + (((*src)&0x000000F8)>>3)); \ +} +#define RGB888_RGB565_TWO(dst, src) { \ + *(Uint32 *)(dst) = (((((src[HI])&0x00F80000)>>8)| \ + (((src[HI])&0x0000FC00)>>5)| \ + (((src[HI])&0x000000F8)>>3))<<16)| \ + (((src[LO])&0x00F80000)>>8)| \ + (((src[LO])&0x0000FC00)>>5)| \ + (((src[LO])&0x000000F8)>>3); \ +} +static void Blit_RGB888_RGB565(SDL_BlitInfo *info) +{ +#ifndef USE_DUFFS_LOOP + int c; +#endif + int width, height; + Uint32 *src; + Uint16 *dst; + int srcskip, dstskip; + + /* Set up some basic variables */ + width = info->d_width; + height = info->d_height; + src = (Uint32 *)info->s_pixels; + srcskip = info->s_skip/4; + dst = (Uint16 *)info->d_pixels; + dstskip = info->d_skip/2; + +#ifdef USE_DUFFS_LOOP + while ( height-- ) { + DUFFS_LOOP( + RGB888_RGB565(dst, src); + ++src; + ++dst; + , width); + src += srcskip; + dst += dstskip; + } +#else + /* Memory align at 4-byte boundary, if necessary */ + if ( (long)dst & 0x03 ) { + /* Don't do anything if width is 0 */ + if ( width == 0 ) { + return; + } + --width; + + while ( height-- ) { + /* Perform copy alignment */ + RGB888_RGB565(dst, src); + ++src; + ++dst; + + /* Copy in 4 pixel chunks */ + for ( c=width/4; c; --c ) { + RGB888_RGB565_TWO(dst, src); + src += 2; + dst += 2; + RGB888_RGB565_TWO(dst, src); + src += 2; + dst += 2; + } + /* Get any leftovers */ + switch (width & 3) { + case 3: + RGB888_RGB565(dst, src); + ++src; + ++dst; + case 2: + RGB888_RGB565_TWO(dst, src); + src += 2; + dst += 2; + break; + case 1: + RGB888_RGB565(dst, src); + ++src; + ++dst; + break; + } + src += srcskip; + dst += dstskip; + } + } else { + while ( height-- ) { + /* Copy in 4 pixel chunks */ + for ( c=width/4; c; --c ) { + RGB888_RGB565_TWO(dst, src); + src += 2; + dst += 2; + RGB888_RGB565_TWO(dst, src); + src += 2; + dst += 2; + } + /* Get any leftovers */ + switch (width & 3) { + case 3: + RGB888_RGB565(dst, src); + ++src; + ++dst; + case 2: + RGB888_RGB565_TWO(dst, src); + src += 2; + dst += 2; + break; + case 1: + RGB888_RGB565(dst, src); + ++src; + ++dst; + break; + } + src += srcskip; + dst += dstskip; + } + } +#endif /* USE_DUFFS_LOOP */ +} + +#endif /* SDL_HERMES_BLITTERS */ + + +/* Special optimized blit for RGB 5-6-5 --> 32-bit RGB surfaces */ +#define RGB565_32(dst, src, map) (map[src[LO]*2] + map[src[HI]*2+1]) +static void Blit_RGB565_32(SDL_BlitInfo *info, const Uint32 *map) +{ +#ifndef USE_DUFFS_LOOP + int c; +#endif + int width, height; + Uint8 *src; + Uint32 *dst; + int srcskip, dstskip; + + /* Set up some basic variables */ + width = info->d_width; + height = info->d_height; + src = (Uint8 *)info->s_pixels; + srcskip = info->s_skip; + dst = (Uint32 *)info->d_pixels; + dstskip = info->d_skip/4; + +#ifdef USE_DUFFS_LOOP + while ( height-- ) { + DUFFS_LOOP( + { + *dst++ = RGB565_32(dst, src, map); + src += 2; + }, + width); + src += srcskip; + dst += dstskip; + } +#else + while ( height-- ) { + /* Copy in 4 pixel chunks */ + for ( c=width/4; c; --c ) { + *dst++ = RGB565_32(dst, src, map); + src += 2; + *dst++ = RGB565_32(dst, src, map); + src += 2; + *dst++ = RGB565_32(dst, src, map); + src += 2; + *dst++ = RGB565_32(dst, src, map); + src += 2; + } + /* Get any leftovers */ + switch (width & 3) { + case 3: + *dst++ = RGB565_32(dst, src, map); + src += 2; + case 2: + *dst++ = RGB565_32(dst, src, map); + src += 2; + case 1: + *dst++ = RGB565_32(dst, src, map); + src += 2; + break; + } + src += srcskip; + dst += dstskip; + } +#endif /* USE_DUFFS_LOOP */ +} + +/* Special optimized blit for RGB 5-6-5 --> ARGB 8-8-8-8 */ +static const Uint32 RGB565_ARGB8888_LUT[512] = { + 0x00000000, 0xff000000, 0x00000008, 0xff002000, + 0x00000010, 0xff004000, 0x00000018, 0xff006100, + 0x00000020, 0xff008100, 0x00000029, 0xff00a100, + 0x00000031, 0xff00c200, 0x00000039, 0xff00e200, + 0x00000041, 0xff080000, 0x0000004a, 0xff082000, + 0x00000052, 0xff084000, 0x0000005a, 0xff086100, + 0x00000062, 0xff088100, 0x0000006a, 0xff08a100, + 0x00000073, 0xff08c200, 0x0000007b, 0xff08e200, + 0x00000083, 0xff100000, 0x0000008b, 0xff102000, + 0x00000094, 0xff104000, 0x0000009c, 0xff106100, + 0x000000a4, 0xff108100, 0x000000ac, 0xff10a100, + 0x000000b4, 0xff10c200, 0x000000bd, 0xff10e200, + 0x000000c5, 0xff180000, 0x000000cd, 0xff182000, + 0x000000d5, 0xff184000, 0x000000de, 0xff186100, + 0x000000e6, 0xff188100, 0x000000ee, 0xff18a100, + 0x000000f6, 0xff18c200, 0x000000ff, 0xff18e200, + 0x00000400, 0xff200000, 0x00000408, 0xff202000, + 0x00000410, 0xff204000, 0x00000418, 0xff206100, + 0x00000420, 0xff208100, 0x00000429, 0xff20a100, + 0x00000431, 0xff20c200, 0x00000439, 0xff20e200, + 0x00000441, 0xff290000, 0x0000044a, 0xff292000, + 0x00000452, 0xff294000, 0x0000045a, 0xff296100, + 0x00000462, 0xff298100, 0x0000046a, 0xff29a100, + 0x00000473, 0xff29c200, 0x0000047b, 0xff29e200, + 0x00000483, 0xff310000, 0x0000048b, 0xff312000, + 0x00000494, 0xff314000, 0x0000049c, 0xff316100, + 0x000004a4, 0xff318100, 0x000004ac, 0xff31a100, + 0x000004b4, 0xff31c200, 0x000004bd, 0xff31e200, + 0x000004c5, 0xff390000, 0x000004cd, 0xff392000, + 0x000004d5, 0xff394000, 0x000004de, 0xff396100, + 0x000004e6, 0xff398100, 0x000004ee, 0xff39a100, + 0x000004f6, 0xff39c200, 0x000004ff, 0xff39e200, + 0x00000800, 0xff410000, 0x00000808, 0xff412000, + 0x00000810, 0xff414000, 0x00000818, 0xff416100, + 0x00000820, 0xff418100, 0x00000829, 0xff41a100, + 0x00000831, 0xff41c200, 0x00000839, 0xff41e200, + 0x00000841, 0xff4a0000, 0x0000084a, 0xff4a2000, + 0x00000852, 0xff4a4000, 0x0000085a, 0xff4a6100, + 0x00000862, 0xff4a8100, 0x0000086a, 0xff4aa100, + 0x00000873, 0xff4ac200, 0x0000087b, 0xff4ae200, + 0x00000883, 0xff520000, 0x0000088b, 0xff522000, + 0x00000894, 0xff524000, 0x0000089c, 0xff526100, + 0x000008a4, 0xff528100, 0x000008ac, 0xff52a100, + 0x000008b4, 0xff52c200, 0x000008bd, 0xff52e200, + 0x000008c5, 0xff5a0000, 0x000008cd, 0xff5a2000, + 0x000008d5, 0xff5a4000, 0x000008de, 0xff5a6100, + 0x000008e6, 0xff5a8100, 0x000008ee, 0xff5aa100, + 0x000008f6, 0xff5ac200, 0x000008ff, 0xff5ae200, + 0x00000c00, 0xff620000, 0x00000c08, 0xff622000, + 0x00000c10, 0xff624000, 0x00000c18, 0xff626100, + 0x00000c20, 0xff628100, 0x00000c29, 0xff62a100, + 0x00000c31, 0xff62c200, 0x00000c39, 0xff62e200, + 0x00000c41, 0xff6a0000, 0x00000c4a, 0xff6a2000, + 0x00000c52, 0xff6a4000, 0x00000c5a, 0xff6a6100, + 0x00000c62, 0xff6a8100, 0x00000c6a, 0xff6aa100, + 0x00000c73, 0xff6ac200, 0x00000c7b, 0xff6ae200, + 0x00000c83, 0xff730000, 0x00000c8b, 0xff732000, + 0x00000c94, 0xff734000, 0x00000c9c, 0xff736100, + 0x00000ca4, 0xff738100, 0x00000cac, 0xff73a100, + 0x00000cb4, 0xff73c200, 0x00000cbd, 0xff73e200, + 0x00000cc5, 0xff7b0000, 0x00000ccd, 0xff7b2000, + 0x00000cd5, 0xff7b4000, 0x00000cde, 0xff7b6100, + 0x00000ce6, 0xff7b8100, 0x00000cee, 0xff7ba100, + 0x00000cf6, 0xff7bc200, 0x00000cff, 0xff7be200, + 0x00001000, 0xff830000, 0x00001008, 0xff832000, + 0x00001010, 0xff834000, 0x00001018, 0xff836100, + 0x00001020, 0xff838100, 0x00001029, 0xff83a100, + 0x00001031, 0xff83c200, 0x00001039, 0xff83e200, + 0x00001041, 0xff8b0000, 0x0000104a, 0xff8b2000, + 0x00001052, 0xff8b4000, 0x0000105a, 0xff8b6100, + 0x00001062, 0xff8b8100, 0x0000106a, 0xff8ba100, + 0x00001073, 0xff8bc200, 0x0000107b, 0xff8be200, + 0x00001083, 0xff940000, 0x0000108b, 0xff942000, + 0x00001094, 0xff944000, 0x0000109c, 0xff946100, + 0x000010a4, 0xff948100, 0x000010ac, 0xff94a100, + 0x000010b4, 0xff94c200, 0x000010bd, 0xff94e200, + 0x000010c5, 0xff9c0000, 0x000010cd, 0xff9c2000, + 0x000010d5, 0xff9c4000, 0x000010de, 0xff9c6100, + 0x000010e6, 0xff9c8100, 0x000010ee, 0xff9ca100, + 0x000010f6, 0xff9cc200, 0x000010ff, 0xff9ce200, + 0x00001400, 0xffa40000, 0x00001408, 0xffa42000, + 0x00001410, 0xffa44000, 0x00001418, 0xffa46100, + 0x00001420, 0xffa48100, 0x00001429, 0xffa4a100, + 0x00001431, 0xffa4c200, 0x00001439, 0xffa4e200, + 0x00001441, 0xffac0000, 0x0000144a, 0xffac2000, + 0x00001452, 0xffac4000, 0x0000145a, 0xffac6100, + 0x00001462, 0xffac8100, 0x0000146a, 0xffaca100, + 0x00001473, 0xffacc200, 0x0000147b, 0xfface200, + 0x00001483, 0xffb40000, 0x0000148b, 0xffb42000, + 0x00001494, 0xffb44000, 0x0000149c, 0xffb46100, + 0x000014a4, 0xffb48100, 0x000014ac, 0xffb4a100, + 0x000014b4, 0xffb4c200, 0x000014bd, 0xffb4e200, + 0x000014c5, 0xffbd0000, 0x000014cd, 0xffbd2000, + 0x000014d5, 0xffbd4000, 0x000014de, 0xffbd6100, + 0x000014e6, 0xffbd8100, 0x000014ee, 0xffbda100, + 0x000014f6, 0xffbdc200, 0x000014ff, 0xffbde200, + 0x00001800, 0xffc50000, 0x00001808, 0xffc52000, + 0x00001810, 0xffc54000, 0x00001818, 0xffc56100, + 0x00001820, 0xffc58100, 0x00001829, 0xffc5a100, + 0x00001831, 0xffc5c200, 0x00001839, 0xffc5e200, + 0x00001841, 0xffcd0000, 0x0000184a, 0xffcd2000, + 0x00001852, 0xffcd4000, 0x0000185a, 0xffcd6100, + 0x00001862, 0xffcd8100, 0x0000186a, 0xffcda100, + 0x00001873, 0xffcdc200, 0x0000187b, 0xffcde200, + 0x00001883, 0xffd50000, 0x0000188b, 0xffd52000, + 0x00001894, 0xffd54000, 0x0000189c, 0xffd56100, + 0x000018a4, 0xffd58100, 0x000018ac, 0xffd5a100, + 0x000018b4, 0xffd5c200, 0x000018bd, 0xffd5e200, + 0x000018c5, 0xffde0000, 0x000018cd, 0xffde2000, + 0x000018d5, 0xffde4000, 0x000018de, 0xffde6100, + 0x000018e6, 0xffde8100, 0x000018ee, 0xffdea100, + 0x000018f6, 0xffdec200, 0x000018ff, 0xffdee200, + 0x00001c00, 0xffe60000, 0x00001c08, 0xffe62000, + 0x00001c10, 0xffe64000, 0x00001c18, 0xffe66100, + 0x00001c20, 0xffe68100, 0x00001c29, 0xffe6a100, + 0x00001c31, 0xffe6c200, 0x00001c39, 0xffe6e200, + 0x00001c41, 0xffee0000, 0x00001c4a, 0xffee2000, + 0x00001c52, 0xffee4000, 0x00001c5a, 0xffee6100, + 0x00001c62, 0xffee8100, 0x00001c6a, 0xffeea100, + 0x00001c73, 0xffeec200, 0x00001c7b, 0xffeee200, + 0x00001c83, 0xfff60000, 0x00001c8b, 0xfff62000, + 0x00001c94, 0xfff64000, 0x00001c9c, 0xfff66100, + 0x00001ca4, 0xfff68100, 0x00001cac, 0xfff6a100, + 0x00001cb4, 0xfff6c200, 0x00001cbd, 0xfff6e200, + 0x00001cc5, 0xffff0000, 0x00001ccd, 0xffff2000, + 0x00001cd5, 0xffff4000, 0x00001cde, 0xffff6100, + 0x00001ce6, 0xffff8100, 0x00001cee, 0xffffa100, + 0x00001cf6, 0xffffc200, 0x00001cff, 0xffffe200 +}; +static void Blit_RGB565_ARGB8888(SDL_BlitInfo *info) +{ + Blit_RGB565_32(info, RGB565_ARGB8888_LUT); +} + +/* Special optimized blit for RGB 5-6-5 --> ABGR 8-8-8-8 */ +static const Uint32 RGB565_ABGR8888_LUT[512] = { + 0xff000000, 0x00000000, 0xff080000, 0x00002000, + 0xff100000, 0x00004000, 0xff180000, 0x00006100, + 0xff200000, 0x00008100, 0xff290000, 0x0000a100, + 0xff310000, 0x0000c200, 0xff390000, 0x0000e200, + 0xff410000, 0x00000008, 0xff4a0000, 0x00002008, + 0xff520000, 0x00004008, 0xff5a0000, 0x00006108, + 0xff620000, 0x00008108, 0xff6a0000, 0x0000a108, + 0xff730000, 0x0000c208, 0xff7b0000, 0x0000e208, + 0xff830000, 0x00000010, 0xff8b0000, 0x00002010, + 0xff940000, 0x00004010, 0xff9c0000, 0x00006110, + 0xffa40000, 0x00008110, 0xffac0000, 0x0000a110, + 0xffb40000, 0x0000c210, 0xffbd0000, 0x0000e210, + 0xffc50000, 0x00000018, 0xffcd0000, 0x00002018, + 0xffd50000, 0x00004018, 0xffde0000, 0x00006118, + 0xffe60000, 0x00008118, 0xffee0000, 0x0000a118, + 0xfff60000, 0x0000c218, 0xffff0000, 0x0000e218, + 0xff000400, 0x00000020, 0xff080400, 0x00002020, + 0xff100400, 0x00004020, 0xff180400, 0x00006120, + 0xff200400, 0x00008120, 0xff290400, 0x0000a120, + 0xff310400, 0x0000c220, 0xff390400, 0x0000e220, + 0xff410400, 0x00000029, 0xff4a0400, 0x00002029, + 0xff520400, 0x00004029, 0xff5a0400, 0x00006129, + 0xff620400, 0x00008129, 0xff6a0400, 0x0000a129, + 0xff730400, 0x0000c229, 0xff7b0400, 0x0000e229, + 0xff830400, 0x00000031, 0xff8b0400, 0x00002031, + 0xff940400, 0x00004031, 0xff9c0400, 0x00006131, + 0xffa40400, 0x00008131, 0xffac0400, 0x0000a131, + 0xffb40400, 0x0000c231, 0xffbd0400, 0x0000e231, + 0xffc50400, 0x00000039, 0xffcd0400, 0x00002039, + 0xffd50400, 0x00004039, 0xffde0400, 0x00006139, + 0xffe60400, 0x00008139, 0xffee0400, 0x0000a139, + 0xfff60400, 0x0000c239, 0xffff0400, 0x0000e239, + 0xff000800, 0x00000041, 0xff080800, 0x00002041, + 0xff100800, 0x00004041, 0xff180800, 0x00006141, + 0xff200800, 0x00008141, 0xff290800, 0x0000a141, + 0xff310800, 0x0000c241, 0xff390800, 0x0000e241, + 0xff410800, 0x0000004a, 0xff4a0800, 0x0000204a, + 0xff520800, 0x0000404a, 0xff5a0800, 0x0000614a, + 0xff620800, 0x0000814a, 0xff6a0800, 0x0000a14a, + 0xff730800, 0x0000c24a, 0xff7b0800, 0x0000e24a, + 0xff830800, 0x00000052, 0xff8b0800, 0x00002052, + 0xff940800, 0x00004052, 0xff9c0800, 0x00006152, + 0xffa40800, 0x00008152, 0xffac0800, 0x0000a152, + 0xffb40800, 0x0000c252, 0xffbd0800, 0x0000e252, + 0xffc50800, 0x0000005a, 0xffcd0800, 0x0000205a, + 0xffd50800, 0x0000405a, 0xffde0800, 0x0000615a, + 0xffe60800, 0x0000815a, 0xffee0800, 0x0000a15a, + 0xfff60800, 0x0000c25a, 0xffff0800, 0x0000e25a, + 0xff000c00, 0x00000062, 0xff080c00, 0x00002062, + 0xff100c00, 0x00004062, 0xff180c00, 0x00006162, + 0xff200c00, 0x00008162, 0xff290c00, 0x0000a162, + 0xff310c00, 0x0000c262, 0xff390c00, 0x0000e262, + 0xff410c00, 0x0000006a, 0xff4a0c00, 0x0000206a, + 0xff520c00, 0x0000406a, 0xff5a0c00, 0x0000616a, + 0xff620c00, 0x0000816a, 0xff6a0c00, 0x0000a16a, + 0xff730c00, 0x0000c26a, 0xff7b0c00, 0x0000e26a, + 0xff830c00, 0x00000073, 0xff8b0c00, 0x00002073, + 0xff940c00, 0x00004073, 0xff9c0c00, 0x00006173, + 0xffa40c00, 0x00008173, 0xffac0c00, 0x0000a173, + 0xffb40c00, 0x0000c273, 0xffbd0c00, 0x0000e273, + 0xffc50c00, 0x0000007b, 0xffcd0c00, 0x0000207b, + 0xffd50c00, 0x0000407b, 0xffde0c00, 0x0000617b, + 0xffe60c00, 0x0000817b, 0xffee0c00, 0x0000a17b, + 0xfff60c00, 0x0000c27b, 0xffff0c00, 0x0000e27b, + 0xff001000, 0x00000083, 0xff081000, 0x00002083, + 0xff101000, 0x00004083, 0xff181000, 0x00006183, + 0xff201000, 0x00008183, 0xff291000, 0x0000a183, + 0xff311000, 0x0000c283, 0xff391000, 0x0000e283, + 0xff411000, 0x0000008b, 0xff4a1000, 0x0000208b, + 0xff521000, 0x0000408b, 0xff5a1000, 0x0000618b, + 0xff621000, 0x0000818b, 0xff6a1000, 0x0000a18b, + 0xff731000, 0x0000c28b, 0xff7b1000, 0x0000e28b, + 0xff831000, 0x00000094, 0xff8b1000, 0x00002094, + 0xff941000, 0x00004094, 0xff9c1000, 0x00006194, + 0xffa41000, 0x00008194, 0xffac1000, 0x0000a194, + 0xffb41000, 0x0000c294, 0xffbd1000, 0x0000e294, + 0xffc51000, 0x0000009c, 0xffcd1000, 0x0000209c, + 0xffd51000, 0x0000409c, 0xffde1000, 0x0000619c, + 0xffe61000, 0x0000819c, 0xffee1000, 0x0000a19c, + 0xfff61000, 0x0000c29c, 0xffff1000, 0x0000e29c, + 0xff001400, 0x000000a4, 0xff081400, 0x000020a4, + 0xff101400, 0x000040a4, 0xff181400, 0x000061a4, + 0xff201400, 0x000081a4, 0xff291400, 0x0000a1a4, + 0xff311400, 0x0000c2a4, 0xff391400, 0x0000e2a4, + 0xff411400, 0x000000ac, 0xff4a1400, 0x000020ac, + 0xff521400, 0x000040ac, 0xff5a1400, 0x000061ac, + 0xff621400, 0x000081ac, 0xff6a1400, 0x0000a1ac, + 0xff731400, 0x0000c2ac, 0xff7b1400, 0x0000e2ac, + 0xff831400, 0x000000b4, 0xff8b1400, 0x000020b4, + 0xff941400, 0x000040b4, 0xff9c1400, 0x000061b4, + 0xffa41400, 0x000081b4, 0xffac1400, 0x0000a1b4, + 0xffb41400, 0x0000c2b4, 0xffbd1400, 0x0000e2b4, + 0xffc51400, 0x000000bd, 0xffcd1400, 0x000020bd, + 0xffd51400, 0x000040bd, 0xffde1400, 0x000061bd, + 0xffe61400, 0x000081bd, 0xffee1400, 0x0000a1bd, + 0xfff61400, 0x0000c2bd, 0xffff1400, 0x0000e2bd, + 0xff001800, 0x000000c5, 0xff081800, 0x000020c5, + 0xff101800, 0x000040c5, 0xff181800, 0x000061c5, + 0xff201800, 0x000081c5, 0xff291800, 0x0000a1c5, + 0xff311800, 0x0000c2c5, 0xff391800, 0x0000e2c5, + 0xff411800, 0x000000cd, 0xff4a1800, 0x000020cd, + 0xff521800, 0x000040cd, 0xff5a1800, 0x000061cd, + 0xff621800, 0x000081cd, 0xff6a1800, 0x0000a1cd, + 0xff731800, 0x0000c2cd, 0xff7b1800, 0x0000e2cd, + 0xff831800, 0x000000d5, 0xff8b1800, 0x000020d5, + 0xff941800, 0x000040d5, 0xff9c1800, 0x000061d5, + 0xffa41800, 0x000081d5, 0xffac1800, 0x0000a1d5, + 0xffb41800, 0x0000c2d5, 0xffbd1800, 0x0000e2d5, + 0xffc51800, 0x000000de, 0xffcd1800, 0x000020de, + 0xffd51800, 0x000040de, 0xffde1800, 0x000061de, + 0xffe61800, 0x000081de, 0xffee1800, 0x0000a1de, + 0xfff61800, 0x0000c2de, 0xffff1800, 0x0000e2de, + 0xff001c00, 0x000000e6, 0xff081c00, 0x000020e6, + 0xff101c00, 0x000040e6, 0xff181c00, 0x000061e6, + 0xff201c00, 0x000081e6, 0xff291c00, 0x0000a1e6, + 0xff311c00, 0x0000c2e6, 0xff391c00, 0x0000e2e6, + 0xff411c00, 0x000000ee, 0xff4a1c00, 0x000020ee, + 0xff521c00, 0x000040ee, 0xff5a1c00, 0x000061ee, + 0xff621c00, 0x000081ee, 0xff6a1c00, 0x0000a1ee, + 0xff731c00, 0x0000c2ee, 0xff7b1c00, 0x0000e2ee, + 0xff831c00, 0x000000f6, 0xff8b1c00, 0x000020f6, + 0xff941c00, 0x000040f6, 0xff9c1c00, 0x000061f6, + 0xffa41c00, 0x000081f6, 0xffac1c00, 0x0000a1f6, + 0xffb41c00, 0x0000c2f6, 0xffbd1c00, 0x0000e2f6, + 0xffc51c00, 0x000000ff, 0xffcd1c00, 0x000020ff, + 0xffd51c00, 0x000040ff, 0xffde1c00, 0x000061ff, + 0xffe61c00, 0x000081ff, 0xffee1c00, 0x0000a1ff, + 0xfff61c00, 0x0000c2ff, 0xffff1c00, 0x0000e2ff +}; +static void Blit_RGB565_ABGR8888(SDL_BlitInfo *info) +{ + Blit_RGB565_32(info, RGB565_ABGR8888_LUT); +} + +/* Special optimized blit for RGB 5-6-5 --> RGBA 8-8-8-8 */ +static const Uint32 RGB565_RGBA8888_LUT[512] = { + 0x000000ff, 0x00000000, 0x000008ff, 0x00200000, + 0x000010ff, 0x00400000, 0x000018ff, 0x00610000, + 0x000020ff, 0x00810000, 0x000029ff, 0x00a10000, + 0x000031ff, 0x00c20000, 0x000039ff, 0x00e20000, + 0x000041ff, 0x08000000, 0x00004aff, 0x08200000, + 0x000052ff, 0x08400000, 0x00005aff, 0x08610000, + 0x000062ff, 0x08810000, 0x00006aff, 0x08a10000, + 0x000073ff, 0x08c20000, 0x00007bff, 0x08e20000, + 0x000083ff, 0x10000000, 0x00008bff, 0x10200000, + 0x000094ff, 0x10400000, 0x00009cff, 0x10610000, + 0x0000a4ff, 0x10810000, 0x0000acff, 0x10a10000, + 0x0000b4ff, 0x10c20000, 0x0000bdff, 0x10e20000, + 0x0000c5ff, 0x18000000, 0x0000cdff, 0x18200000, + 0x0000d5ff, 0x18400000, 0x0000deff, 0x18610000, + 0x0000e6ff, 0x18810000, 0x0000eeff, 0x18a10000, + 0x0000f6ff, 0x18c20000, 0x0000ffff, 0x18e20000, + 0x000400ff, 0x20000000, 0x000408ff, 0x20200000, + 0x000410ff, 0x20400000, 0x000418ff, 0x20610000, + 0x000420ff, 0x20810000, 0x000429ff, 0x20a10000, + 0x000431ff, 0x20c20000, 0x000439ff, 0x20e20000, + 0x000441ff, 0x29000000, 0x00044aff, 0x29200000, + 0x000452ff, 0x29400000, 0x00045aff, 0x29610000, + 0x000462ff, 0x29810000, 0x00046aff, 0x29a10000, + 0x000473ff, 0x29c20000, 0x00047bff, 0x29e20000, + 0x000483ff, 0x31000000, 0x00048bff, 0x31200000, + 0x000494ff, 0x31400000, 0x00049cff, 0x31610000, + 0x0004a4ff, 0x31810000, 0x0004acff, 0x31a10000, + 0x0004b4ff, 0x31c20000, 0x0004bdff, 0x31e20000, + 0x0004c5ff, 0x39000000, 0x0004cdff, 0x39200000, + 0x0004d5ff, 0x39400000, 0x0004deff, 0x39610000, + 0x0004e6ff, 0x39810000, 0x0004eeff, 0x39a10000, + 0x0004f6ff, 0x39c20000, 0x0004ffff, 0x39e20000, + 0x000800ff, 0x41000000, 0x000808ff, 0x41200000, + 0x000810ff, 0x41400000, 0x000818ff, 0x41610000, + 0x000820ff, 0x41810000, 0x000829ff, 0x41a10000, + 0x000831ff, 0x41c20000, 0x000839ff, 0x41e20000, + 0x000841ff, 0x4a000000, 0x00084aff, 0x4a200000, + 0x000852ff, 0x4a400000, 0x00085aff, 0x4a610000, + 0x000862ff, 0x4a810000, 0x00086aff, 0x4aa10000, + 0x000873ff, 0x4ac20000, 0x00087bff, 0x4ae20000, + 0x000883ff, 0x52000000, 0x00088bff, 0x52200000, + 0x000894ff, 0x52400000, 0x00089cff, 0x52610000, + 0x0008a4ff, 0x52810000, 0x0008acff, 0x52a10000, + 0x0008b4ff, 0x52c20000, 0x0008bdff, 0x52e20000, + 0x0008c5ff, 0x5a000000, 0x0008cdff, 0x5a200000, + 0x0008d5ff, 0x5a400000, 0x0008deff, 0x5a610000, + 0x0008e6ff, 0x5a810000, 0x0008eeff, 0x5aa10000, + 0x0008f6ff, 0x5ac20000, 0x0008ffff, 0x5ae20000, + 0x000c00ff, 0x62000000, 0x000c08ff, 0x62200000, + 0x000c10ff, 0x62400000, 0x000c18ff, 0x62610000, + 0x000c20ff, 0x62810000, 0x000c29ff, 0x62a10000, + 0x000c31ff, 0x62c20000, 0x000c39ff, 0x62e20000, + 0x000c41ff, 0x6a000000, 0x000c4aff, 0x6a200000, + 0x000c52ff, 0x6a400000, 0x000c5aff, 0x6a610000, + 0x000c62ff, 0x6a810000, 0x000c6aff, 0x6aa10000, + 0x000c73ff, 0x6ac20000, 0x000c7bff, 0x6ae20000, + 0x000c83ff, 0x73000000, 0x000c8bff, 0x73200000, + 0x000c94ff, 0x73400000, 0x000c9cff, 0x73610000, + 0x000ca4ff, 0x73810000, 0x000cacff, 0x73a10000, + 0x000cb4ff, 0x73c20000, 0x000cbdff, 0x73e20000, + 0x000cc5ff, 0x7b000000, 0x000ccdff, 0x7b200000, + 0x000cd5ff, 0x7b400000, 0x000cdeff, 0x7b610000, + 0x000ce6ff, 0x7b810000, 0x000ceeff, 0x7ba10000, + 0x000cf6ff, 0x7bc20000, 0x000cffff, 0x7be20000, + 0x001000ff, 0x83000000, 0x001008ff, 0x83200000, + 0x001010ff, 0x83400000, 0x001018ff, 0x83610000, + 0x001020ff, 0x83810000, 0x001029ff, 0x83a10000, + 0x001031ff, 0x83c20000, 0x001039ff, 0x83e20000, + 0x001041ff, 0x8b000000, 0x00104aff, 0x8b200000, + 0x001052ff, 0x8b400000, 0x00105aff, 0x8b610000, + 0x001062ff, 0x8b810000, 0x00106aff, 0x8ba10000, + 0x001073ff, 0x8bc20000, 0x00107bff, 0x8be20000, + 0x001083ff, 0x94000000, 0x00108bff, 0x94200000, + 0x001094ff, 0x94400000, 0x00109cff, 0x94610000, + 0x0010a4ff, 0x94810000, 0x0010acff, 0x94a10000, + 0x0010b4ff, 0x94c20000, 0x0010bdff, 0x94e20000, + 0x0010c5ff, 0x9c000000, 0x0010cdff, 0x9c200000, + 0x0010d5ff, 0x9c400000, 0x0010deff, 0x9c610000, + 0x0010e6ff, 0x9c810000, 0x0010eeff, 0x9ca10000, + 0x0010f6ff, 0x9cc20000, 0x0010ffff, 0x9ce20000, + 0x001400ff, 0xa4000000, 0x001408ff, 0xa4200000, + 0x001410ff, 0xa4400000, 0x001418ff, 0xa4610000, + 0x001420ff, 0xa4810000, 0x001429ff, 0xa4a10000, + 0x001431ff, 0xa4c20000, 0x001439ff, 0xa4e20000, + 0x001441ff, 0xac000000, 0x00144aff, 0xac200000, + 0x001452ff, 0xac400000, 0x00145aff, 0xac610000, + 0x001462ff, 0xac810000, 0x00146aff, 0xaca10000, + 0x001473ff, 0xacc20000, 0x00147bff, 0xace20000, + 0x001483ff, 0xb4000000, 0x00148bff, 0xb4200000, + 0x001494ff, 0xb4400000, 0x00149cff, 0xb4610000, + 0x0014a4ff, 0xb4810000, 0x0014acff, 0xb4a10000, + 0x0014b4ff, 0xb4c20000, 0x0014bdff, 0xb4e20000, + 0x0014c5ff, 0xbd000000, 0x0014cdff, 0xbd200000, + 0x0014d5ff, 0xbd400000, 0x0014deff, 0xbd610000, + 0x0014e6ff, 0xbd810000, 0x0014eeff, 0xbda10000, + 0x0014f6ff, 0xbdc20000, 0x0014ffff, 0xbde20000, + 0x001800ff, 0xc5000000, 0x001808ff, 0xc5200000, + 0x001810ff, 0xc5400000, 0x001818ff, 0xc5610000, + 0x001820ff, 0xc5810000, 0x001829ff, 0xc5a10000, + 0x001831ff, 0xc5c20000, 0x001839ff, 0xc5e20000, + 0x001841ff, 0xcd000000, 0x00184aff, 0xcd200000, + 0x001852ff, 0xcd400000, 0x00185aff, 0xcd610000, + 0x001862ff, 0xcd810000, 0x00186aff, 0xcda10000, + 0x001873ff, 0xcdc20000, 0x00187bff, 0xcde20000, + 0x001883ff, 0xd5000000, 0x00188bff, 0xd5200000, + 0x001894ff, 0xd5400000, 0x00189cff, 0xd5610000, + 0x0018a4ff, 0xd5810000, 0x0018acff, 0xd5a10000, + 0x0018b4ff, 0xd5c20000, 0x0018bdff, 0xd5e20000, + 0x0018c5ff, 0xde000000, 0x0018cdff, 0xde200000, + 0x0018d5ff, 0xde400000, 0x0018deff, 0xde610000, + 0x0018e6ff, 0xde810000, 0x0018eeff, 0xdea10000, + 0x0018f6ff, 0xdec20000, 0x0018ffff, 0xdee20000, + 0x001c00ff, 0xe6000000, 0x001c08ff, 0xe6200000, + 0x001c10ff, 0xe6400000, 0x001c18ff, 0xe6610000, + 0x001c20ff, 0xe6810000, 0x001c29ff, 0xe6a10000, + 0x001c31ff, 0xe6c20000, 0x001c39ff, 0xe6e20000, + 0x001c41ff, 0xee000000, 0x001c4aff, 0xee200000, + 0x001c52ff, 0xee400000, 0x001c5aff, 0xee610000, + 0x001c62ff, 0xee810000, 0x001c6aff, 0xeea10000, + 0x001c73ff, 0xeec20000, 0x001c7bff, 0xeee20000, + 0x001c83ff, 0xf6000000, 0x001c8bff, 0xf6200000, + 0x001c94ff, 0xf6400000, 0x001c9cff, 0xf6610000, + 0x001ca4ff, 0xf6810000, 0x001cacff, 0xf6a10000, + 0x001cb4ff, 0xf6c20000, 0x001cbdff, 0xf6e20000, + 0x001cc5ff, 0xff000000, 0x001ccdff, 0xff200000, + 0x001cd5ff, 0xff400000, 0x001cdeff, 0xff610000, + 0x001ce6ff, 0xff810000, 0x001ceeff, 0xffa10000, + 0x001cf6ff, 0xffc20000, 0x001cffff, 0xffe20000, +}; +static void Blit_RGB565_RGBA8888(SDL_BlitInfo *info) +{ + Blit_RGB565_32(info, RGB565_RGBA8888_LUT); +} + +/* Special optimized blit for RGB 5-6-5 --> BGRA 8-8-8-8 */ +static const Uint32 RGB565_BGRA8888_LUT[512] = { + 0x00000000, 0x000000ff, 0x08000000, 0x002000ff, + 0x10000000, 0x004000ff, 0x18000000, 0x006100ff, + 0x20000000, 0x008100ff, 0x29000000, 0x00a100ff, + 0x31000000, 0x00c200ff, 0x39000000, 0x00e200ff, + 0x41000000, 0x000008ff, 0x4a000000, 0x002008ff, + 0x52000000, 0x004008ff, 0x5a000000, 0x006108ff, + 0x62000000, 0x008108ff, 0x6a000000, 0x00a108ff, + 0x73000000, 0x00c208ff, 0x7b000000, 0x00e208ff, + 0x83000000, 0x000010ff, 0x8b000000, 0x002010ff, + 0x94000000, 0x004010ff, 0x9c000000, 0x006110ff, + 0xa4000000, 0x008110ff, 0xac000000, 0x00a110ff, + 0xb4000000, 0x00c210ff, 0xbd000000, 0x00e210ff, + 0xc5000000, 0x000018ff, 0xcd000000, 0x002018ff, + 0xd5000000, 0x004018ff, 0xde000000, 0x006118ff, + 0xe6000000, 0x008118ff, 0xee000000, 0x00a118ff, + 0xf6000000, 0x00c218ff, 0xff000000, 0x00e218ff, + 0x00040000, 0x000020ff, 0x08040000, 0x002020ff, + 0x10040000, 0x004020ff, 0x18040000, 0x006120ff, + 0x20040000, 0x008120ff, 0x29040000, 0x00a120ff, + 0x31040000, 0x00c220ff, 0x39040000, 0x00e220ff, + 0x41040000, 0x000029ff, 0x4a040000, 0x002029ff, + 0x52040000, 0x004029ff, 0x5a040000, 0x006129ff, + 0x62040000, 0x008129ff, 0x6a040000, 0x00a129ff, + 0x73040000, 0x00c229ff, 0x7b040000, 0x00e229ff, + 0x83040000, 0x000031ff, 0x8b040000, 0x002031ff, + 0x94040000, 0x004031ff, 0x9c040000, 0x006131ff, + 0xa4040000, 0x008131ff, 0xac040000, 0x00a131ff, + 0xb4040000, 0x00c231ff, 0xbd040000, 0x00e231ff, + 0xc5040000, 0x000039ff, 0xcd040000, 0x002039ff, + 0xd5040000, 0x004039ff, 0xde040000, 0x006139ff, + 0xe6040000, 0x008139ff, 0xee040000, 0x00a139ff, + 0xf6040000, 0x00c239ff, 0xff040000, 0x00e239ff, + 0x00080000, 0x000041ff, 0x08080000, 0x002041ff, + 0x10080000, 0x004041ff, 0x18080000, 0x006141ff, + 0x20080000, 0x008141ff, 0x29080000, 0x00a141ff, + 0x31080000, 0x00c241ff, 0x39080000, 0x00e241ff, + 0x41080000, 0x00004aff, 0x4a080000, 0x00204aff, + 0x52080000, 0x00404aff, 0x5a080000, 0x00614aff, + 0x62080000, 0x00814aff, 0x6a080000, 0x00a14aff, + 0x73080000, 0x00c24aff, 0x7b080000, 0x00e24aff, + 0x83080000, 0x000052ff, 0x8b080000, 0x002052ff, + 0x94080000, 0x004052ff, 0x9c080000, 0x006152ff, + 0xa4080000, 0x008152ff, 0xac080000, 0x00a152ff, + 0xb4080000, 0x00c252ff, 0xbd080000, 0x00e252ff, + 0xc5080000, 0x00005aff, 0xcd080000, 0x00205aff, + 0xd5080000, 0x00405aff, 0xde080000, 0x00615aff, + 0xe6080000, 0x00815aff, 0xee080000, 0x00a15aff, + 0xf6080000, 0x00c25aff, 0xff080000, 0x00e25aff, + 0x000c0000, 0x000062ff, 0x080c0000, 0x002062ff, + 0x100c0000, 0x004062ff, 0x180c0000, 0x006162ff, + 0x200c0000, 0x008162ff, 0x290c0000, 0x00a162ff, + 0x310c0000, 0x00c262ff, 0x390c0000, 0x00e262ff, + 0x410c0000, 0x00006aff, 0x4a0c0000, 0x00206aff, + 0x520c0000, 0x00406aff, 0x5a0c0000, 0x00616aff, + 0x620c0000, 0x00816aff, 0x6a0c0000, 0x00a16aff, + 0x730c0000, 0x00c26aff, 0x7b0c0000, 0x00e26aff, + 0x830c0000, 0x000073ff, 0x8b0c0000, 0x002073ff, + 0x940c0000, 0x004073ff, 0x9c0c0000, 0x006173ff, + 0xa40c0000, 0x008173ff, 0xac0c0000, 0x00a173ff, + 0xb40c0000, 0x00c273ff, 0xbd0c0000, 0x00e273ff, + 0xc50c0000, 0x00007bff, 0xcd0c0000, 0x00207bff, + 0xd50c0000, 0x00407bff, 0xde0c0000, 0x00617bff, + 0xe60c0000, 0x00817bff, 0xee0c0000, 0x00a17bff, + 0xf60c0000, 0x00c27bff, 0xff0c0000, 0x00e27bff, + 0x00100000, 0x000083ff, 0x08100000, 0x002083ff, + 0x10100000, 0x004083ff, 0x18100000, 0x006183ff, + 0x20100000, 0x008183ff, 0x29100000, 0x00a183ff, + 0x31100000, 0x00c283ff, 0x39100000, 0x00e283ff, + 0x41100000, 0x00008bff, 0x4a100000, 0x00208bff, + 0x52100000, 0x00408bff, 0x5a100000, 0x00618bff, + 0x62100000, 0x00818bff, 0x6a100000, 0x00a18bff, + 0x73100000, 0x00c28bff, 0x7b100000, 0x00e28bff, + 0x83100000, 0x000094ff, 0x8b100000, 0x002094ff, + 0x94100000, 0x004094ff, 0x9c100000, 0x006194ff, + 0xa4100000, 0x008194ff, 0xac100000, 0x00a194ff, + 0xb4100000, 0x00c294ff, 0xbd100000, 0x00e294ff, + 0xc5100000, 0x00009cff, 0xcd100000, 0x00209cff, + 0xd5100000, 0x00409cff, 0xde100000, 0x00619cff, + 0xe6100000, 0x00819cff, 0xee100000, 0x00a19cff, + 0xf6100000, 0x00c29cff, 0xff100000, 0x00e29cff, + 0x00140000, 0x0000a4ff, 0x08140000, 0x0020a4ff, + 0x10140000, 0x0040a4ff, 0x18140000, 0x0061a4ff, + 0x20140000, 0x0081a4ff, 0x29140000, 0x00a1a4ff, + 0x31140000, 0x00c2a4ff, 0x39140000, 0x00e2a4ff, + 0x41140000, 0x0000acff, 0x4a140000, 0x0020acff, + 0x52140000, 0x0040acff, 0x5a140000, 0x0061acff, + 0x62140000, 0x0081acff, 0x6a140000, 0x00a1acff, + 0x73140000, 0x00c2acff, 0x7b140000, 0x00e2acff, + 0x83140000, 0x0000b4ff, 0x8b140000, 0x0020b4ff, + 0x94140000, 0x0040b4ff, 0x9c140000, 0x0061b4ff, + 0xa4140000, 0x0081b4ff, 0xac140000, 0x00a1b4ff, + 0xb4140000, 0x00c2b4ff, 0xbd140000, 0x00e2b4ff, + 0xc5140000, 0x0000bdff, 0xcd140000, 0x0020bdff, + 0xd5140000, 0x0040bdff, 0xde140000, 0x0061bdff, + 0xe6140000, 0x0081bdff, 0xee140000, 0x00a1bdff, + 0xf6140000, 0x00c2bdff, 0xff140000, 0x00e2bdff, + 0x00180000, 0x0000c5ff, 0x08180000, 0x0020c5ff, + 0x10180000, 0x0040c5ff, 0x18180000, 0x0061c5ff, + 0x20180000, 0x0081c5ff, 0x29180000, 0x00a1c5ff, + 0x31180000, 0x00c2c5ff, 0x39180000, 0x00e2c5ff, + 0x41180000, 0x0000cdff, 0x4a180000, 0x0020cdff, + 0x52180000, 0x0040cdff, 0x5a180000, 0x0061cdff, + 0x62180000, 0x0081cdff, 0x6a180000, 0x00a1cdff, + 0x73180000, 0x00c2cdff, 0x7b180000, 0x00e2cdff, + 0x83180000, 0x0000d5ff, 0x8b180000, 0x0020d5ff, + 0x94180000, 0x0040d5ff, 0x9c180000, 0x0061d5ff, + 0xa4180000, 0x0081d5ff, 0xac180000, 0x00a1d5ff, + 0xb4180000, 0x00c2d5ff, 0xbd180000, 0x00e2d5ff, + 0xc5180000, 0x0000deff, 0xcd180000, 0x0020deff, + 0xd5180000, 0x0040deff, 0xde180000, 0x0061deff, + 0xe6180000, 0x0081deff, 0xee180000, 0x00a1deff, + 0xf6180000, 0x00c2deff, 0xff180000, 0x00e2deff, + 0x001c0000, 0x0000e6ff, 0x081c0000, 0x0020e6ff, + 0x101c0000, 0x0040e6ff, 0x181c0000, 0x0061e6ff, + 0x201c0000, 0x0081e6ff, 0x291c0000, 0x00a1e6ff, + 0x311c0000, 0x00c2e6ff, 0x391c0000, 0x00e2e6ff, + 0x411c0000, 0x0000eeff, 0x4a1c0000, 0x0020eeff, + 0x521c0000, 0x0040eeff, 0x5a1c0000, 0x0061eeff, + 0x621c0000, 0x0081eeff, 0x6a1c0000, 0x00a1eeff, + 0x731c0000, 0x00c2eeff, 0x7b1c0000, 0x00e2eeff, + 0x831c0000, 0x0000f6ff, 0x8b1c0000, 0x0020f6ff, + 0x941c0000, 0x0040f6ff, 0x9c1c0000, 0x0061f6ff, + 0xa41c0000, 0x0081f6ff, 0xac1c0000, 0x00a1f6ff, + 0xb41c0000, 0x00c2f6ff, 0xbd1c0000, 0x00e2f6ff, + 0xc51c0000, 0x0000ffff, 0xcd1c0000, 0x0020ffff, + 0xd51c0000, 0x0040ffff, 0xde1c0000, 0x0061ffff, + 0xe61c0000, 0x0081ffff, 0xee1c0000, 0x00a1ffff, + 0xf61c0000, 0x00c2ffff, 0xff1c0000, 0x00e2ffff +}; +static void Blit_RGB565_BGRA8888(SDL_BlitInfo *info) +{ + Blit_RGB565_32(info, RGB565_BGRA8888_LUT); +} + +/* Special optimized blit for RGB 8-8-8 --> RGB 3-3-2 */ +#ifndef RGB888_RGB332 +#define RGB888_RGB332(dst, src) { \ + dst = (((src)&0x00E00000)>>16)| \ + (((src)&0x0000E000)>>11)| \ + (((src)&0x000000C0)>>6); \ +} +#endif +static void Blit_RGB888_index8_map(SDL_BlitInfo *info) +{ +#ifndef USE_DUFFS_LOOP + int c; +#endif + int Pixel; + int width, height; + Uint32 *src; + const Uint8 *map; + Uint8 *dst; + int srcskip, dstskip; + + /* Set up some basic variables */ + width = info->d_width; + height = info->d_height; + src = (Uint32 *)info->s_pixels; + srcskip = info->s_skip/4; + dst = info->d_pixels; + dstskip = info->d_skip; + map = info->table; + +#ifdef USE_DUFFS_LOOP + while ( height-- ) { + DUFFS_LOOP( + RGB888_RGB332(Pixel, *src); + *dst++ = map[Pixel]; + ++src; + , width); + src += srcskip; + dst += dstskip; + } +#else + while ( height-- ) { + for ( c=width/4; c; --c ) { + /* Pack RGB into 8bit pixel */ + RGB888_RGB332(Pixel, *src); + *dst++ = map[Pixel]; + ++src; + RGB888_RGB332(Pixel, *src); + *dst++ = map[Pixel]; + ++src; + RGB888_RGB332(Pixel, *src); + *dst++ = map[Pixel]; + ++src; + RGB888_RGB332(Pixel, *src); + *dst++ = map[Pixel]; + ++src; + } + switch ( width & 3 ) { + case 3: + RGB888_RGB332(Pixel, *src); + *dst++ = map[Pixel]; + ++src; + case 2: + RGB888_RGB332(Pixel, *src); + *dst++ = map[Pixel]; + ++src; + case 1: + RGB888_RGB332(Pixel, *src); + *dst++ = map[Pixel]; + ++src; + } + src += srcskip; + dst += dstskip; + } +#endif /* USE_DUFFS_LOOP */ +} +static void BlitNto1(SDL_BlitInfo *info) +{ +#ifndef USE_DUFFS_LOOP + int c; +#endif + int width, height; + Uint8 *src; + const Uint8 *map; + Uint8 *dst; + int srcskip, dstskip; + int srcbpp; + Uint32 Pixel; + int sR, sG, sB; + SDL_PixelFormat *srcfmt; + + /* Set up some basic variables */ + width = info->d_width; + height = info->d_height; + src = info->s_pixels; + srcskip = info->s_skip; + dst = info->d_pixels; + dstskip = info->d_skip; + map = info->table; + srcfmt = info->src; + srcbpp = srcfmt->BytesPerPixel; + + if ( map == NULL ) { + while ( height-- ) { +#ifdef USE_DUFFS_LOOP + DUFFS_LOOP( + DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, + sR, sG, sB); + if ( 1 ) { + /* Pack RGB into 8bit pixel */ + *dst = ((sR>>5)<<(3+2))| + ((sG>>5)<<(2)) | + ((sB>>6)<<(0)) ; + } + dst++; + src += srcbpp; + , width); +#else + for ( c=width; c; --c ) { + DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, + sR, sG, sB); + if ( 1 ) { + /* Pack RGB into 8bit pixel */ + *dst = ((sR>>5)<<(3+2))| + ((sG>>5)<<(2)) | + ((sB>>6)<<(0)) ; + } + dst++; + src += srcbpp; + } +#endif + src += srcskip; + dst += dstskip; + } + } else { + while ( height-- ) { +#ifdef USE_DUFFS_LOOP + DUFFS_LOOP( + DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, + sR, sG, sB); + if ( 1 ) { + /* Pack RGB into 8bit pixel */ + *dst = map[((sR>>5)<<(3+2))| + ((sG>>5)<<(2)) | + ((sB>>6)<<(0)) ]; + } + dst++; + src += srcbpp; + , width); +#else + for ( c=width; c; --c ) { + DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, + sR, sG, sB); + if ( 1 ) { + /* Pack RGB into 8bit pixel */ + *dst = map[((sR>>5)<<(3+2))| + ((sG>>5)<<(2)) | + ((sB>>6)<<(0)) ]; + } + dst++; + src += srcbpp; + } +#endif /* USE_DUFFS_LOOP */ + src += srcskip; + dst += dstskip; + } + } +} + +/* blits 32 bit RGB<->RGBA with both surfaces having the same R,G,B fields */ +static void Blit4to4MaskAlpha(SDL_BlitInfo *info) +{ + int width = info->d_width; + int height = info->d_height; + Uint32 *src = (Uint32 *)info->s_pixels; + int srcskip = info->s_skip; + Uint32 *dst = (Uint32 *)info->d_pixels; + int dstskip = info->d_skip; + SDL_PixelFormat *srcfmt = info->src; + SDL_PixelFormat *dstfmt = info->dst; + + if (dstfmt->Amask) { + /* RGB->RGBA, SET_ALPHA */ + Uint32 mask = (srcfmt->alpha >> dstfmt->Aloss) << dstfmt->Ashift; + + while ( height-- ) { + DUFFS_LOOP( + { + *dst = *src | mask; + ++dst; + ++src; + }, + width); + src = (Uint32*)((Uint8*)src + srcskip); + dst = (Uint32*)((Uint8*)dst + dstskip); + } + } else { + /* RGBA->RGB, NO_ALPHA */ + Uint32 mask = srcfmt->Rmask | srcfmt->Gmask | srcfmt->Bmask; + + while ( height-- ) { + DUFFS_LOOP( + { + *dst = *src & mask; + ++dst; + ++src; + }, + width); + src = (Uint32*)((Uint8*)src + srcskip); + dst = (Uint32*)((Uint8*)dst + dstskip); + } + } +} + +static void BlitNtoN(SDL_BlitInfo *info) +{ + int width = info->d_width; + int height = info->d_height; + Uint8 *src = info->s_pixels; + int srcskip = info->s_skip; + Uint8 *dst = info->d_pixels; + int dstskip = info->d_skip; + SDL_PixelFormat *srcfmt = info->src; + int srcbpp = srcfmt->BytesPerPixel; + SDL_PixelFormat *dstfmt = info->dst; + int dstbpp = dstfmt->BytesPerPixel; + unsigned alpha = dstfmt->Amask ? srcfmt->alpha : 0; + + while ( height-- ) { + DUFFS_LOOP( + { + Uint32 Pixel; + unsigned sR; + unsigned sG; + unsigned sB; + DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, sR, sG, sB); + ASSEMBLE_RGBA(dst, dstbpp, dstfmt, sR, sG, sB, alpha); + dst += dstbpp; + src += srcbpp; + }, + width); + src += srcskip; + dst += dstskip; + } +} + +static void BlitNtoNCopyAlpha(SDL_BlitInfo *info) +{ + int width = info->d_width; + int height = info->d_height; + Uint8 *src = info->s_pixels; + int srcskip = info->s_skip; + Uint8 *dst = info->d_pixels; + int dstskip = info->d_skip; + SDL_PixelFormat *srcfmt = info->src; + int srcbpp = srcfmt->BytesPerPixel; + SDL_PixelFormat *dstfmt = info->dst; + int dstbpp = dstfmt->BytesPerPixel; + int c; + + /* FIXME: should map alpha to [0..255] correctly! */ + while ( height-- ) { + for ( c=width; c; --c ) { + Uint32 Pixel; + unsigned sR, sG, sB, sA; + DISEMBLE_RGBA(src, srcbpp, srcfmt, Pixel, + sR, sG, sB, sA); + ASSEMBLE_RGBA(dst, dstbpp, dstfmt, + sR, sG, sB, sA); + dst += dstbpp; + src += srcbpp; + } + src += srcskip; + dst += dstskip; + } +} + +static void BlitNto1Key(SDL_BlitInfo *info) +{ + int width = info->d_width; + int height = info->d_height; + Uint8 *src = info->s_pixels; + int srcskip = info->s_skip; + Uint8 *dst = info->d_pixels; + int dstskip = info->d_skip; + SDL_PixelFormat *srcfmt = info->src; + const Uint8 *palmap = info->table; + Uint32 ckey = srcfmt->colorkey; + Uint32 rgbmask = ~srcfmt->Amask; + int srcbpp; + Uint32 Pixel; + unsigned sR, sG, sB; + + /* Set up some basic variables */ + srcbpp = srcfmt->BytesPerPixel; + ckey &= rgbmask; + + if ( palmap == NULL ) { + while ( height-- ) { + DUFFS_LOOP( + { + DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, + sR, sG, sB); + if ( (Pixel & rgbmask) != ckey ) { + /* Pack RGB into 8bit pixel */ + *dst = (Uint8)(((sR>>5)<<(3+2))| + ((sG>>5)<<(2)) | + ((sB>>6)<<(0))); + } + dst++; + src += srcbpp; + }, + width); + src += srcskip; + dst += dstskip; + } + } else { + while ( height-- ) { + DUFFS_LOOP( + { + DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, + sR, sG, sB); + if ( (Pixel & rgbmask) != ckey ) { + /* Pack RGB into 8bit pixel */ + *dst = (Uint8)palmap[((sR>>5)<<(3+2))| + ((sG>>5)<<(2)) | + ((sB>>6)<<(0)) ]; + } + dst++; + src += srcbpp; + }, + width); + src += srcskip; + dst += dstskip; + } + } +} + +static void Blit2to2Key(SDL_BlitInfo *info) +{ + int width = info->d_width; + int height = info->d_height; + Uint16 *srcp = (Uint16 *)info->s_pixels; + int srcskip = info->s_skip; + Uint16 *dstp = (Uint16 *)info->d_pixels; + int dstskip = info->d_skip; + Uint32 ckey = info->src->colorkey; + Uint32 rgbmask = ~info->src->Amask; + + /* Set up some basic variables */ + srcskip /= 2; + dstskip /= 2; + ckey &= rgbmask; + + while ( height-- ) { + DUFFS_LOOP( + { + if ( (*srcp & rgbmask) != ckey ) { + *dstp = *srcp; + } + dstp++; + srcp++; + }, + width); + srcp += srcskip; + dstp += dstskip; + } +} + +static void BlitNtoNKey(SDL_BlitInfo *info) +{ + int width = info->d_width; + int height = info->d_height; + Uint8 *src = info->s_pixels; + int srcskip = info->s_skip; + Uint8 *dst = info->d_pixels; + int dstskip = info->d_skip; + Uint32 ckey = info->src->colorkey; + SDL_PixelFormat *srcfmt = info->src; + SDL_PixelFormat *dstfmt = info->dst; + int srcbpp = srcfmt->BytesPerPixel; + int dstbpp = dstfmt->BytesPerPixel; + unsigned alpha = dstfmt->Amask ? srcfmt->alpha : 0; + Uint32 rgbmask = ~srcfmt->Amask; + + /* Set up some basic variables */ + ckey &= rgbmask; + + while ( height-- ) { + DUFFS_LOOP( + { + Uint32 Pixel; + unsigned sR; + unsigned sG; + unsigned sB; + RETRIEVE_RGB_PIXEL(src, srcbpp, Pixel); + if ( (Pixel & rgbmask) != ckey ) { + RGB_FROM_PIXEL(Pixel, srcfmt, sR, sG, sB); + ASSEMBLE_RGBA(dst, dstbpp, dstfmt, + sR, sG, sB, alpha); + } + dst += dstbpp; + src += srcbpp; + }, + width); + src += srcskip; + dst += dstskip; + } +} + +static void BlitNtoNKeyCopyAlpha(SDL_BlitInfo *info) +{ + int width = info->d_width; + int height = info->d_height; + Uint8 *src = info->s_pixels; + int srcskip = info->s_skip; + Uint8 *dst = info->d_pixels; + int dstskip = info->d_skip; + Uint32 ckey = info->src->colorkey; + SDL_PixelFormat *srcfmt = info->src; + SDL_PixelFormat *dstfmt = info->dst; + Uint32 rgbmask = ~srcfmt->Amask; + + Uint8 srcbpp; + Uint8 dstbpp; + Uint32 Pixel; + unsigned sR, sG, sB, sA; + + /* Set up some basic variables */ + srcbpp = srcfmt->BytesPerPixel; + dstbpp = dstfmt->BytesPerPixel; + ckey &= rgbmask; + + /* FIXME: should map alpha to [0..255] correctly! */ + while ( height-- ) { + DUFFS_LOOP( + { + DISEMBLE_RGBA(src, srcbpp, srcfmt, Pixel, + sR, sG, sB, sA); + if ( (Pixel & rgbmask) != ckey ) { + ASSEMBLE_RGBA(dst, dstbpp, dstfmt, + sR, sG, sB, sA); + } + dst += dstbpp; + src += srcbpp; + }, + width); + src += srcskip; + dst += dstskip; + } +} + +/* Normal N to N optimized blitters */ +struct blit_table { + Uint32 srcR, srcG, srcB; + int dstbpp; + Uint32 dstR, dstG, dstB; + Uint32 blit_features; + void *aux_data; + SDL_loblit blitfunc; + enum { NO_ALPHA=1, SET_ALPHA=2, COPY_ALPHA=4 } alpha; +}; +static const struct blit_table normal_blit_1[] = { + /* Default for 8-bit RGB source, an invalid combination */ + { 0,0,0, 0, 0,0,0, 0, NULL, NULL }, +}; +static const struct blit_table normal_blit_2[] = { +#if SDL_HERMES_BLITTERS + { 0x0000F800,0x000007E0,0x0000001F, 2, 0x0000001F,0x000007E0,0x0000F800, + 0, ConvertX86p16_16BGR565, ConvertX86, NO_ALPHA }, + { 0x0000F800,0x000007E0,0x0000001F, 2, 0x00007C00,0x000003E0,0x0000001F, + 0, ConvertX86p16_16RGB555, ConvertX86, NO_ALPHA }, + { 0x0000F800,0x000007E0,0x0000001F, 2, 0x0000001F,0x000003E0,0x00007C00, + 0, ConvertX86p16_16BGR555, ConvertX86, NO_ALPHA }, +#elif SDL_ALTIVEC_BLITTERS + /* has-altivec */ + { 0x0000F800,0x000007E0,0x0000001F, 4, 0x00000000,0x00000000,0x00000000, + 2, NULL, Blit_RGB565_32Altivec, NO_ALPHA | COPY_ALPHA | SET_ALPHA }, + { 0x00007C00,0x000003E0,0x0000001F, 4, 0x00000000,0x00000000,0x00000000, + 2, NULL, Blit_RGB555_32Altivec, NO_ALPHA | COPY_ALPHA | SET_ALPHA }, +#endif + { 0x0000F800,0x000007E0,0x0000001F, 4, 0x00FF0000,0x0000FF00,0x000000FF, + 0, NULL, Blit_RGB565_ARGB8888, SET_ALPHA }, + { 0x0000F800,0x000007E0,0x0000001F, 4, 0x000000FF,0x0000FF00,0x00FF0000, + 0, NULL, Blit_RGB565_ABGR8888, SET_ALPHA }, + { 0x0000F800,0x000007E0,0x0000001F, 4, 0xFF000000,0x00FF0000,0x0000FF00, + 0, NULL, Blit_RGB565_RGBA8888, SET_ALPHA }, + { 0x0000F800,0x000007E0,0x0000001F, 4, 0x0000FF00,0x00FF0000,0xFF000000, + 0, NULL, Blit_RGB565_BGRA8888, SET_ALPHA }, + + /* Default for 16-bit RGB source, used if no other blitter matches */ + { 0,0,0, 0, 0,0,0, 0, NULL, BlitNtoN, 0 } +}; +static const struct blit_table normal_blit_3[] = { + /* Default for 24-bit RGB source, never optimized */ + { 0,0,0, 0, 0,0,0, 0, NULL, BlitNtoN, 0 } +}; +static const struct blit_table normal_blit_4[] = { +#if SDL_HERMES_BLITTERS + { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000F800,0x000007E0,0x0000001F, + 1, ConvertMMXpII32_16RGB565, ConvertMMX, NO_ALPHA }, + { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000F800,0x000007E0,0x0000001F, + 0, ConvertX86p32_16RGB565, ConvertX86, NO_ALPHA }, + { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000007E0,0x0000F800, + 1, ConvertMMXpII32_16BGR565, ConvertMMX, NO_ALPHA }, + { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000007E0,0x0000F800, + 0, ConvertX86p32_16BGR565, ConvertX86, NO_ALPHA }, + { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x00007C00,0x000003E0,0x0000001F, + 1, ConvertMMXpII32_16RGB555, ConvertMMX, NO_ALPHA }, + { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x00007C00,0x000003E0,0x0000001F, + 0, ConvertX86p32_16RGB555, ConvertX86, NO_ALPHA }, + { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000003E0,0x00007C00, + 1, ConvertMMXpII32_16BGR555, ConvertMMX, NO_ALPHA }, + { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000003E0,0x00007C00, + 0, ConvertX86p32_16BGR555, ConvertX86, NO_ALPHA }, + { 0x00FF0000,0x0000FF00,0x000000FF, 3, 0x00FF0000,0x0000FF00,0x000000FF, + 1, ConvertMMXpII32_24RGB888, ConvertMMX, NO_ALPHA }, + { 0x00FF0000,0x0000FF00,0x000000FF, 3, 0x00FF0000,0x0000FF00,0x000000FF, + 0, ConvertX86p32_24RGB888, ConvertX86, NO_ALPHA }, + { 0x00FF0000,0x0000FF00,0x000000FF, 3, 0x000000FF,0x0000FF00,0x00FF0000, + 0, ConvertX86p32_24BGR888, ConvertX86, NO_ALPHA }, + { 0x00FF0000,0x0000FF00,0x000000FF, 4, 0x000000FF,0x0000FF00,0x00FF0000, + 0, ConvertX86p32_32BGR888, ConvertX86, NO_ALPHA }, + { 0x00FF0000,0x0000FF00,0x000000FF, 4, 0xFF000000,0x00FF0000,0x0000FF00, + 0, ConvertX86p32_32RGBA888, ConvertX86, NO_ALPHA }, + { 0x00FF0000,0x0000FF00,0x000000FF, 4, 0x0000FF00,0x00FF0000,0xFF000000, + 0, ConvertX86p32_32BGRA888, ConvertX86, NO_ALPHA }, +#else +#if SDL_ALTIVEC_BLITTERS + /* has-altivec | dont-use-prefetch */ + { 0x00000000,0x00000000,0x00000000, 4, 0x00000000,0x00000000,0x00000000, + 6, NULL, ConvertAltivec32to32_noprefetch, NO_ALPHA | COPY_ALPHA | SET_ALPHA }, + /* has-altivec */ + { 0x00000000,0x00000000,0x00000000, 4, 0x00000000,0x00000000,0x00000000, + 2, NULL, ConvertAltivec32to32_prefetch, NO_ALPHA | COPY_ALPHA | SET_ALPHA }, + /* has-altivec */ + { 0x00000000,0x00000000,0x00000000, 2, 0x0000F800,0x000007E0,0x0000001F, + 2, NULL, Blit_RGB888_RGB565Altivec, NO_ALPHA }, +#endif + { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000F800,0x000007E0,0x0000001F, + 0, NULL, Blit_RGB888_RGB565, NO_ALPHA }, + { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x00007C00,0x000003E0,0x0000001F, + 0, NULL, Blit_RGB888_RGB555, NO_ALPHA }, +#endif + /* Default for 32-bit RGB source, used if no other blitter matches */ + { 0,0,0, 0, 0,0,0, 0, NULL, BlitNtoN, 0 } +}; +static const struct blit_table *normal_blit[] = { + normal_blit_1, normal_blit_2, normal_blit_3, normal_blit_4 +}; + +/* Mask matches table, or table entry is zero */ +#define MASKOK(x, y) (((x) == (y)) || ((y) == 0x00000000)) + +SDL_loblit SDL_CalculateBlitN(SDL_Surface *surface, int blit_index) +{ + struct private_swaccel *sdata; + SDL_PixelFormat *srcfmt; + SDL_PixelFormat *dstfmt; + const struct blit_table *table; + int which; + SDL_loblit blitfun; + + /* Set up data for choosing the blit */ + sdata = surface->map->sw_data; + srcfmt = surface->format; + dstfmt = surface->map->dst->format; + + if ( blit_index & 2 ) { + /* alpha or alpha+colorkey */ + return SDL_CalculateAlphaBlit(surface, blit_index); + } + + /* We don't support destinations less than 8-bits */ + if ( dstfmt->BitsPerPixel < 8 ) { + return(NULL); + } + + if(blit_index == 1) { + /* colorkey blit: Here we don't have too many options, mostly + because RLE is the preferred fast way to deal with this. + If a particular case turns out to be useful we'll add it. */ + + if(srcfmt->BytesPerPixel == 2 + && surface->map->identity) + return Blit2to2Key; + else if(dstfmt->BytesPerPixel == 1) + return BlitNto1Key; + else { +#if SDL_ALTIVEC_BLITTERS + if((srcfmt->BytesPerPixel == 4) && (dstfmt->BytesPerPixel == 4) && SDL_HasAltiVec()) { + return Blit32to32KeyAltivec; + } else +#endif + + if(srcfmt->Amask && dstfmt->Amask) + return BlitNtoNKeyCopyAlpha; + else + return BlitNtoNKey; + } + } + + blitfun = NULL; + if ( dstfmt->BitsPerPixel == 8 ) { + /* We assume 8-bit destinations are palettized */ + if ( (srcfmt->BytesPerPixel == 4) && + (srcfmt->Rmask == 0x00FF0000) && + (srcfmt->Gmask == 0x0000FF00) && + (srcfmt->Bmask == 0x000000FF) ) { + if ( surface->map->table ) { + blitfun = Blit_RGB888_index8_map; + } else { +#if SDL_HERMES_BLITTERS + sdata->aux_data = ConvertX86p32_8RGB332; + blitfun = ConvertX86; +#else + blitfun = Blit_RGB888_index8; +#endif + } + } else { + blitfun = BlitNto1; + } + } else { + /* Now the meat, choose the blitter we want */ + int a_need = NO_ALPHA; + if(dstfmt->Amask) + a_need = srcfmt->Amask ? COPY_ALPHA : SET_ALPHA; + table = normal_blit[srcfmt->BytesPerPixel-1]; + for ( which=0; table[which].dstbpp; ++which ) { + if ( MASKOK(srcfmt->Rmask, table[which].srcR) && + MASKOK(srcfmt->Gmask, table[which].srcG) && + MASKOK(srcfmt->Bmask, table[which].srcB) && + MASKOK(dstfmt->Rmask, table[which].dstR) && + MASKOK(dstfmt->Gmask, table[which].dstG) && + MASKOK(dstfmt->Bmask, table[which].dstB) && + dstfmt->BytesPerPixel == table[which].dstbpp && + (a_need & table[which].alpha) == a_need && + ((table[which].blit_features & GetBlitFeatures()) == table[which].blit_features) ) + break; + } + sdata->aux_data = table[which].aux_data; + blitfun = table[which].blitfunc; + + if(blitfun == BlitNtoN) { /* default C fallback catch-all. Slow! */ + /* Fastpath C fallback: 32bit RGB<->RGBA blit with matching RGB */ + if ( srcfmt->BytesPerPixel == 4 && dstfmt->BytesPerPixel == 4 && + srcfmt->Rmask == dstfmt->Rmask && + srcfmt->Gmask == dstfmt->Gmask && + srcfmt->Bmask == dstfmt->Bmask ) { + blitfun = Blit4to4MaskAlpha; + } else if ( a_need == COPY_ALPHA ) { + blitfun = BlitNtoNCopyAlpha; + } + } + } + +#ifdef DEBUG_ASM +#if SDL_HERMES_BLITTERS + if ( blitfun == ConvertMMX ) + fprintf(stderr, "Using mmx blit\n"); + else + if ( blitfun == ConvertX86 ) + fprintf(stderr, "Using asm blit\n"); + else +#endif + if ( (blitfun == BlitNtoN) || (blitfun == BlitNto1) ) + fprintf(stderr, "Using C blit\n"); + else + fprintf(stderr, "Using optimized C blit\n"); +#endif /* DEBUG_ASM */ + + return(blitfun); +} |