SDL_blit_N.c
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "../SDL_internal.h"
#include "SDL_video.h"
#include "SDL_endian.h"
#include "SDL_cpuinfo.h"
#include "SDL_blit.h"
#include "SDL_assert.h"
/* Functions to blit from N-bit surfaces to other surfaces */
#if SDL_ALTIVEC_BLITTERS
#ifdef HAVE_ALTIVEC_H
#include <altivec.h>
#endif
#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 const struct SDL_PixelFormat default_pixel_format = {
0, NULL, 0, 0,
{0, 0},
0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000,
0, 0, 0, 0,
16, 8, 0, 24,
0, NULL
};
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->dst_h;
Uint8 *src = (Uint8 *) info->src;
int srcskip = info->src_skip;
Uint8 *dst = (Uint8 *) info->dst;
int dstskip = info->dst_skip;
SDL_PixelFormat *srcfmt = info->src_fmt;
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->dst_w;
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;
}
SDL_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->dst_h;
Uint8 *src = (Uint8 *) info->src;
int srcskip = info->src_skip;
Uint8 *dst = (Uint8 *) info->dst;
int dstskip = info->dst_skip;
SDL_PixelFormat *srcfmt = info->src_fmt;
SDL_PixelFormat *dstfmt = info->dst_fmt;
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))
);
SDL_assert(srcfmt->BytesPerPixel == 2);
SDL_assert(dstfmt->BytesPerPixel == 4);
vf800 = (vector unsigned short) vec_splat_u8(-7);
vf800 = vec_sl(vf800, vec_splat_u16(8));
if (dstfmt->Amask && info->a) {
((unsigned char *) &valpha)[0] = alpha = info->a;
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->dst_w;
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;
}
SDL_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->dst_h;
Uint8 *src = (Uint8 *) info->src;
int srcskip = info->src_skip;
Uint8 *dst = (Uint8 *) info->dst;
int dstskip = info->dst_skip;
SDL_PixelFormat *srcfmt = info->src_fmt;
SDL_PixelFormat *dstfmt = info->dst_fmt;
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))
);
SDL_assert(srcfmt->BytesPerPixel == 2);
SDL_assert(dstfmt->BytesPerPixel == 4);
vf800 = (vector unsigned short) vec_splat_u8(-7);
vf800 = vec_sl(vf800, vec_splat_u16(8));
if (dstfmt->Amask && info->a) {
((unsigned char *) &valpha)[0] = alpha = info->a;
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->dst_w;
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;
}
SDL_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->dst_h;
Uint32 *srcp = (Uint32 *) info->src;
int srcskip = info->src_skip / 4;
Uint32 *dstp = (Uint32 *) info->dst;
int dstskip = info->dst_skip / 4;
SDL_PixelFormat *srcfmt = info->src_fmt;
int srcbpp = srcfmt->BytesPerPixel;
SDL_PixelFormat *dstfmt = info->dst_fmt;
int dstbpp = dstfmt->BytesPerPixel;
int copy_alpha = (srcfmt->Amask && dstfmt->Amask);
unsigned alpha = dstfmt->Amask ? info->a : 0;
Uint32 rgbmask = srcfmt->Rmask | srcfmt->Gmask | srcfmt->Bmask;
Uint32 ckey = info->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->dst_w < 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->dst_w;
ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width);
SDL_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;
SDL_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;
dstp += dstskip;
}
}
}
/* 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->dst_h;
Uint32 *src = (Uint32 *) info->src;
int srcskip = info->src_skip / 4;
Uint32 *dst = (Uint32 *) info->dst;
int dstskip = info->dst_skip / 4;
SDL_PixelFormat *srcfmt = info->src_fmt;
SDL_PixelFormat *dstfmt = info->dst_fmt;
vector unsigned int vzero = vec_splat_u32(0);
vector unsigned char vpermute = calc_swizzle32(srcfmt, dstfmt);
if (dstfmt->Amask && !srcfmt->Amask) {
if (info->a) {
vector unsigned char valpha;
((unsigned char *) &valpha)[0] = info->a;
vzero = (vector unsigned int) vec_splat(valpha, 0);
}
}
SDL_assert(srcfmt->BytesPerPixel == 4);
SDL_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->dst_w;
int extrawidth;
/* do scalar until we can align... */
while ((UNALIGNED_PTR(dst)) && (width)) {
bits = *(src++);
RGBA_FROM_8888(bits, srcfmt, r, g, b, a);
if(!srcfmt->Amask)
a = info->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;
}
SDL_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);
if(!srcfmt->Amask)
a = info->a;
*(dst++) = MAKE8888(dstfmt, r, g, b, a);
extrawidth--;
}
src += srcskip;
dst += dstskip;
}
}
/* 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->dst_h;
Uint32 *src = (Uint32 *) info->src;
int srcskip = info->src_skip / 4;
Uint32 *dst = (Uint32 *) info->dst;
int dstskip = info->dst_skip / 4;
SDL_PixelFormat *srcfmt = info->src_fmt;
SDL_PixelFormat *dstfmt = info->dst_fmt;
vector unsigned int vzero = vec_splat_u32(0);
vector unsigned char vpermute = calc_swizzle32(srcfmt, dstfmt);
if (dstfmt->Amask && !srcfmt->Amask) {
if (info->a) {
vector unsigned char valpha;
((unsigned char *) &valpha)[0] = info->a;
vzero = (vector unsigned int) vec_splat(valpha, 0);
}
}
SDL_assert(srcfmt->BytesPerPixel == 4);
SDL_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->dst_w;
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);
if(!srcfmt->Amask)
a = info->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;
}
SDL_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);
if(!srcfmt->Amask)
a = info->a;
*(dst++) = MAKE8888(dstfmt, r, g, b, a);
extrawidth--;
}
src += srcskip;
dst += dstskip;
}
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
/* 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->dst_w;
height = info->dst_h;
src = (Uint32 *) info->src;
srcskip = info->src_skip / 4;
dst = info->dst;
dstskip = info->dst_skip;
map = info->table;
if (map == NULL) {
while (height--) {
#ifdef USE_DUFFS_LOOP
/* *INDENT-OFF* */
DUFFS_LOOP(
RGB888_RGB332(*dst++, *src);
, width);
/* *INDENT-ON* */
#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
/* *INDENT-OFF* */
DUFFS_LOOP(
RGB888_RGB332(Pixel, *src);
*dst++ = map[Pixel];
++src;
, width);
/* *INDENT-ON* */
#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 10-10-10 --> RGB 3-3-2 */
#define RGB101010_RGB332(dst, src) { \
dst = (Uint8)((((src)&0x38000000)>>22)| \
(((src)&0x000E0000)>>15)| \
(((src)&0x00000300)>>8)); \
}
static void
Blit_RGB101010_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->dst_w;
height = info->dst_h;
src = (Uint32 *) info->src;
srcskip = info->src_skip / 4;
dst = info->dst;
dstskip = info->dst_skip;
map = info->table;
if (map == NULL) {
while (height--) {
#ifdef USE_DUFFS_LOOP
/* *INDENT-OFF* */
DUFFS_LOOP(
RGB101010_RGB332(*dst++, *src);
, width);
/* *INDENT-ON* */
#else
for (c = width / 4; c; --c) {
/* Pack RGB into 8bit pixel */
++src;
RGB101010_RGB332(*dst++, *src);
++src;
RGB101010_RGB332(*dst++, *src);
++src;
RGB101010_RGB332(*dst++, *src);
++src;
}
switch (width & 3) {
case 3:
RGB101010_RGB332(*dst++, *src);
++src;
case 2:
RGB101010_RGB332(*dst++, *src);
++src;
case 1:
RGB101010_RGB332(*dst++, *src);
++src;
}
#endif /* USE_DUFFS_LOOP */
src += srcskip;
dst += dstskip;
}
} else {
int Pixel;
while (height--) {
#ifdef USE_DUFFS_LOOP
/* *INDENT-OFF* */
DUFFS_LOOP(
RGB101010_RGB332(Pixel, *src);
*dst++ = map[Pixel];
++src;
, width);
/* *INDENT-ON* */
#else
for (c = width / 4; c; --c) {
/* Pack RGB into 8bit pixel */
RGB101010_RGB332(Pixel, *src);
*dst++ = map[Pixel];
++src;
RGB101010_RGB332(Pixel, *src);
*dst++ = map[Pixel];
++src;
RGB101010_RGB332(Pixel, *src);
*dst++ = map[Pixel];
++src;
RGB101010_RGB332(Pixel, *src);
*dst++ = map[Pixel];
++src;
}
switch (width & 3) {
case 3:
RGB101010_RGB332(Pixel, *src);
*dst++ = map[Pixel];
++src;
case 2:
RGB101010_RGB332(Pixel, *src);
*dst++ = map[Pixel];
++src;
case 1:
RGB101010_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->dst_w;
height = info->dst_h;
src = (Uint32 *) info->src;
srcskip = info->src_skip / 4;
dst = (Uint16 *) info->dst;
dstskip = info->dst_skip / 2;
#ifdef USE_DUFFS_LOOP
while (height--) {
/* *INDENT-OFF* */
DUFFS_LOOP(
RGB888_RGB555(dst, src);
++src;
++dst;
, width);
/* *INDENT-ON* */
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->dst_w;
height = info->dst_h;
src = (Uint32 *) info->src;
srcskip = info->src_skip / 4;
dst = (Uint16 *) info->dst;
dstskip = info->dst_skip / 2;
#ifdef USE_DUFFS_LOOP
while (height--) {
/* *INDENT-OFF* */
DUFFS_LOOP(
RGB888_RGB565(dst, src);
++src;
++dst;
, width);
/* *INDENT-ON* */
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 */
}
/* 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->dst_w;
height = info->dst_h;
src = (Uint8 *) info->src;
srcskip = info->src_skip;
dst = (Uint32 *) info->dst;
dstskip = info->dst_skip / 4;
#ifdef USE_DUFFS_LOOP
while (height--) {
/* *INDENT-OFF* */
DUFFS_LOOP(
{
*dst++ = RGB565_32(dst, src, map);
src += 2;
},
width);
/* *INDENT-ON* */
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);
}
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->dst_w;
height = info->dst_h;
src = info->src;
srcskip = info->src_skip;
dst = info->dst;
dstskip = info->dst_skip;
map = info->table;
srcfmt = info->src_fmt;
srcbpp = srcfmt->BytesPerPixel;
if (map == NULL) {
while (height--) {
#ifdef USE_DUFFS_LOOP
/* *INDENT-OFF* */
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);
/* *INDENT-ON* */
#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
/* *INDENT-OFF* */
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);
/* *INDENT-ON* */
#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->dst_w;
int height = info->dst_h;
Uint32 *src = (Uint32 *) info->src;
int srcskip = info->src_skip;
Uint32 *dst = (Uint32 *) info->dst;
int dstskip = info->dst_skip;
SDL_PixelFormat *srcfmt = info->src_fmt;
SDL_PixelFormat *dstfmt = info->dst_fmt;
if (dstfmt->Amask) {
/* RGB->RGBA, SET_ALPHA */
Uint32 mask = (info->a >> dstfmt->Aloss) << dstfmt->Ashift;
while (height--) {
/* *INDENT-OFF* */
DUFFS_LOOP(
{
*dst = *src | mask;
++dst;
++src;
},
width);
/* *INDENT-ON* */
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--) {
/* *INDENT-OFF* */
DUFFS_LOOP(
{
*dst = *src & mask;
++dst;
++src;
},
width);
/* *INDENT-ON* */
src = (Uint32 *) ((Uint8 *) src + srcskip);
dst = (Uint32 *) ((Uint8 *) dst + dstskip);
}
}
}
/* blits 32 bit RGBA<->RGBA with both surfaces having the same R,G,B,A fields */
static void
Blit4to4CopyAlpha(SDL_BlitInfo * info)
{
int width = info->dst_w;
int height = info->dst_h;
Uint32 *src = (Uint32 *) info->src;
int srcskip = info->src_skip;
Uint32 *dst = (Uint32 *) info->dst;
int dstskip = info->dst_skip;
/* RGBA->RGBA, COPY_ALPHA */
while (height--) {
/* *INDENT-OFF* */
DUFFS_LOOP(
{
*dst = *src;
++dst;
++src;
},
width);
/* *INDENT-ON* */
src = (Uint32 *) ((Uint8 *) src + srcskip);
dst = (Uint32 *) ((Uint8 *) dst + dstskip);
}
}
static void
BlitNtoN(SDL_BlitInfo * info)
{
int width = info->dst_w;
int height = info->dst_h;
Uint8 *src = info->src;
int srcskip = info->src_skip;
Uint8 *dst = info->dst;
int dstskip = info->dst_skip;
SDL_PixelFormat *srcfmt = info->src_fmt;
int srcbpp = srcfmt->BytesPerPixel;
SDL_PixelFormat *dstfmt = info->dst_fmt;
int dstbpp = dstfmt->BytesPerPixel;
unsigned alpha = dstfmt->Amask ? info->a : 0;
while (height--) {
/* *INDENT-OFF* */
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);
/* *INDENT-ON* */
src += srcskip;
dst += dstskip;
}
}
static void
BlitNtoNCopyAlpha(SDL_BlitInfo * info)
{
int width = info->dst_w;
int height = info->dst_h;
Uint8 *src = info->src;
int srcskip = info->src_skip;
Uint8 *dst = info->dst;
int dstskip = info->dst_skip;
SDL_PixelFormat *srcfmt = info->src_fmt;
int srcbpp = srcfmt->BytesPerPixel;
SDL_PixelFormat *dstfmt = info->dst_fmt;
int dstbpp = dstfmt->BytesPerPixel;
int c;
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->dst_w;
int height = info->dst_h;
Uint8 *src = info->src;
int srcskip = info->src_skip;
Uint8 *dst = info->dst;
int dstskip = info->dst_skip;
SDL_PixelFormat *srcfmt = info->src_fmt;
const Uint8 *palmap = info->table;
Uint32 ckey = info->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--) {
/* *INDENT-OFF* */
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);
/* *INDENT-ON* */
src += srcskip;
dst += dstskip;
}
} else {
while (height--) {
/* *INDENT-OFF* */
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);
/* *INDENT-ON* */
src += srcskip;
dst += dstskip;
}
}
}
static void
Blit2to2Key(SDL_BlitInfo * info)
{
int width = info->dst_w;
int height = info->dst_h;
Uint16 *srcp = (Uint16 *) info->src;
int srcskip = info->src_skip;
Uint16 *dstp = (Uint16 *) info->dst;
int dstskip = info->dst_skip;
Uint32 ckey = info->colorkey;
Uint32 rgbmask = ~info->src_fmt->Amask;
/* Set up some basic variables */
srcskip /= 2;
dstskip /= 2;
ckey &= rgbmask;
while (height--) {
/* *INDENT-OFF* */
DUFFS_LOOP(
{
if ( (*srcp & rgbmask) != ckey ) {
*dstp = *srcp;
}
dstp++;
srcp++;
},
width);
/* *INDENT-ON* */
srcp += srcskip;
dstp += dstskip;
}
}
static void
BlitNtoNKey(SDL_BlitInfo * info)
{
int width = info->dst_w;
int height = info->dst_h;
Uint8 *src = info->src;
int srcskip = info->src_skip;
Uint8 *dst = info->dst;
int dstskip = info->dst_skip;
Uint32 ckey = info->colorkey;
SDL_PixelFormat *srcfmt = info->src_fmt;
SDL_PixelFormat *dstfmt = info->dst_fmt;
int srcbpp = srcfmt->BytesPerPixel;
int dstbpp = dstfmt->BytesPerPixel;
unsigned alpha = dstfmt->Amask ? info->a : 0;
Uint32 rgbmask = ~srcfmt->Amask;
/* Set up some basic variables */
ckey &= rgbmask;
while (height--) {
/* *INDENT-OFF* */
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);
/* *INDENT-ON* */
src += srcskip;
dst += dstskip;
}
}
static void
BlitNtoNKeyCopyAlpha(SDL_BlitInfo * info)
{
int width = info->dst_w;
int height = info->dst_h;
Uint8 *src = info->src;
int srcskip = info->src_skip;
Uint8 *dst = info->dst;
int dstskip = info->dst_skip;
Uint32 ckey = info->colorkey;
SDL_PixelFormat *srcfmt = info->src_fmt;
SDL_PixelFormat *dstfmt = info->dst_fmt;
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;
while (height--) {
/* *INDENT-OFF* */
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);
/* *INDENT-ON* */
src += srcskip;
dst += dstskip;
}
}
/* Special optimized blit for ARGB 2-10-10-10 --> RGBA */
static void
Blit2101010toN(SDL_BlitInfo * info)
{
int width = info->dst_w;
int height = info->dst_h;
Uint8 *src = info->src;
int srcskip = info->src_skip;
Uint8 *dst = info->dst;
int dstskip = info->dst_skip;
SDL_PixelFormat *dstfmt = info->dst_fmt;
int dstbpp = dstfmt->BytesPerPixel;
Uint32 Pixel;
unsigned sR, sG, sB, sA;
while (height--) {
/* *INDENT-OFF* */
DUFFS_LOOP(
{
Pixel = *(Uint32 *)src;
RGBA_FROM_ARGB2101010(Pixel, sR, sG, sB, sA);
ASSEMBLE_RGBA(dst, dstbpp, dstfmt, sR, sG, sB, sA);
dst += dstbpp;
src += 4;
},
width);
/* *INDENT-ON* */
src += srcskip;
dst += dstskip;
}
}
/* Special optimized blit for RGBA --> ARGB 2-10-10-10 */
static void
BlitNto2101010(SDL_BlitInfo * info)
{
int width = info->dst_w;
int height = info->dst_h;
Uint8 *src = info->src;
int srcskip = info->src_skip;
Uint8 *dst = info->dst;
int dstskip = info->dst_skip;
SDL_PixelFormat *srcfmt = info->src_fmt;
int srcbpp = srcfmt->BytesPerPixel;
Uint32 Pixel;
unsigned sR, sG, sB, sA;
while (height--) {
/* *INDENT-OFF* */
DUFFS_LOOP(
{
DISEMBLE_RGBA(src, srcbpp, srcfmt, Pixel, sR, sG, sB, sA);
ARGB2101010_FROM_RGBA(Pixel, sR, sG, sB, sA);
*(Uint32 *)dst = Pixel;
dst += 4;
src += srcbpp;
},
width);
/* *INDENT-ON* */
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;
SDL_BlitFunc 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, never optimized */
{0, 0, 0, 0, 0, 0, 0, 0, BlitNtoN, 0}
};
static const struct blit_table normal_blit_2[] = {
#if SDL_ALTIVEC_BLITTERS
/* has-altivec */
{0x0000F800, 0x000007E0, 0x0000001F, 4, 0x00000000, 0x00000000, 0x00000000,
2, Blit_RGB565_32Altivec, NO_ALPHA | COPY_ALPHA | SET_ALPHA},
{0x00007C00, 0x000003E0, 0x0000001F, 4, 0x00000000, 0x00000000, 0x00000000,
2, Blit_RGB555_32Altivec, NO_ALPHA | COPY_ALPHA | SET_ALPHA},
#endif
{0x0000F800, 0x000007E0, 0x0000001F, 4, 0x00FF0000, 0x0000FF00, 0x000000FF,
0, Blit_RGB565_ARGB8888, NO_ALPHA | COPY_ALPHA | SET_ALPHA},
{0x0000F800, 0x000007E0, 0x0000001F, 4, 0x000000FF, 0x0000FF00, 0x00FF0000,
0, Blit_RGB565_ABGR8888, NO_ALPHA | COPY_ALPHA | SET_ALPHA},
{0x0000F800, 0x000007E0, 0x0000001F, 4, 0xFF000000, 0x00FF0000, 0x0000FF00,
0, Blit_RGB565_RGBA8888, NO_ALPHA | COPY_ALPHA | SET_ALPHA},
{0x0000F800, 0x000007E0, 0x0000001F, 4, 0x0000FF00, 0x00FF0000, 0xFF000000,
0, Blit_RGB565_BGRA8888, NO_ALPHA | COPY_ALPHA | SET_ALPHA},
/* Default for 16-bit RGB source, used if no other blitter matches */
{0, 0, 0, 0, 0, 0, 0, 0, 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, BlitNtoN, 0}
};
static const struct blit_table normal_blit_4[] = {
#if SDL_ALTIVEC_BLITTERS
/* has-altivec | dont-use-prefetch */
{0x00000000, 0x00000000, 0x00000000, 4, 0x00000000, 0x00000000, 0x00000000,
6, ConvertAltivec32to32_noprefetch, NO_ALPHA | COPY_ALPHA | SET_ALPHA},
/* has-altivec */
{0x00000000, 0x00000000, 0x00000000, 4, 0x00000000, 0x00000000, 0x00000000,
2, ConvertAltivec32to32_prefetch, NO_ALPHA | COPY_ALPHA | SET_ALPHA},
/* has-altivec */
{0x00000000, 0x00000000, 0x00000000, 2, 0x0000F800, 0x000007E0, 0x0000001F,
2, Blit_RGB888_RGB565Altivec, NO_ALPHA},
#endif
{0x00FF0000, 0x0000FF00, 0x000000FF, 2, 0x0000F800, 0x000007E0, 0x0000001F,
0, Blit_RGB888_RGB565, NO_ALPHA},
{0x00FF0000, 0x0000FF00, 0x000000FF, 2, 0x00007C00, 0x000003E0, 0x0000001F,
0, Blit_RGB888_RGB555, NO_ALPHA},
/* Default for 32-bit RGB source, used if no other blitter matches */
{0, 0, 0, 0, 0, 0, 0, 0, BlitNtoN, 0}
};
static const struct blit_table *const 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_BlitFunc
SDL_CalculateBlitN(SDL_Surface * surface)
{
SDL_PixelFormat *srcfmt;
SDL_PixelFormat *dstfmt;
const struct blit_table *table;
int which;
SDL_BlitFunc blitfun;
/* Set up data for choosing the blit */
srcfmt = surface->format;
dstfmt = surface->map->dst->format;
/* We don't support destinations less than 8-bits */
if (dstfmt->BitsPerPixel < 8) {
return (NULL);
}
switch (surface->map->info.flags & ~SDL_COPY_RLE_MASK) {
case 0:
blitfun = NULL;
if (dstfmt->BitsPerPixel == 8) {
if ((srcfmt->BytesPerPixel == 4) &&
(srcfmt->Rmask == 0x00FF0000) &&
(srcfmt->Gmask == 0x0000FF00) &&
(srcfmt->Bmask == 0x000000FF)) {
blitfun = Blit_RGB888_index8;
} else if ((srcfmt->BytesPerPixel == 4) &&
(srcfmt->Rmask == 0x3FF00000) &&
(srcfmt->Gmask == 0x000FFC00) &&
(srcfmt->Bmask == 0x000003FF)) {
blitfun = Blit_RGB101010_index8;
} 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;
}
blitfun = table[which].blitfunc;
if (blitfun == BlitNtoN) { /* default C fallback catch-all. Slow! */
if (srcfmt->format == SDL_PIXELFORMAT_ARGB2101010) {
blitfun = Blit2101010toN;
} else if (dstfmt->format == SDL_PIXELFORMAT_ARGB2101010) {
blitfun = BlitNto2101010;
} else if (srcfmt->BytesPerPixel == 4 &&
dstfmt->BytesPerPixel == 4 &&
srcfmt->Rmask == dstfmt->Rmask &&
srcfmt->Gmask == dstfmt->Gmask &&
srcfmt->Bmask == dstfmt->Bmask) {
if (a_need == COPY_ALPHA) {
if (srcfmt->Amask == dstfmt->Amask) {
/* Fastpath C fallback: 32bit RGBA<->RGBA blit with matching RGBA */
blitfun = Blit4to4CopyAlpha;
} else {
blitfun = BlitNtoNCopyAlpha;
}
} else {
/* Fastpath C fallback: 32bit RGB<->RGBA blit with matching RGB */
blitfun = Blit4to4MaskAlpha;
}
} else if (a_need == COPY_ALPHA) {
blitfun = BlitNtoNCopyAlpha;
}
}
}
return (blitfun);
case SDL_COPY_COLORKEY:
/* 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;
}
}
}
return NULL;
}
/* vi: set ts=4 sw=4 expandtab: */
blit_table::blitfunc
SDL_BlitFunc blitfunc
Definition: SDL_blit_N.c:2464
SDL_PixelFormat::Aloss
Uint8 Aloss
Definition: SDL_pixels.h:313
SDL_BlitInfo::table
Uint8 * table
Definition: SDL_blit.h:67
blit_table::alpha
enum blit_table::@28 alpha
dst
GLenum GLenum dst
Definition: SDL_opengl_glext.h:1737
SDL_HasAltiVec
#define SDL_HasAltiVec
Definition: SDL_dynapi_overrides.h:110
blit_table::srcG
Uint32 srcG
Definition: SDL_blit_N.c:2460
blit_table::srcB
Uint32 srcB
Definition: SDL_blit_N.c:2460
normal_blit_2
static const struct blit_table normal_blit_2[]
Definition: SDL_blit_N.c:2473
RGB888_RGB555_TWO
#define RGB888_RGB555_TWO(dst, src)
Definition: SDL_blit_N.c:1112
Blit_RGB565_32
static void Blit_RGB565_32(SDL_BlitInfo *info, const Uint32 *map)
Definition: SDL_blit_N.c:1358
MASKOK
#define MASKOK(x, y)
Definition: SDL_blit_N.c:2524
r
GLdouble GLdouble GLdouble r
Definition: SDL_opengl.h:2072
SDL_PIXELFORMAT_ARGB2101010
Definition: SDL_pixels.h:259
table
GLenum GLsizei GLenum GLenum const void * table
Definition: SDL_opengl_glext.h:3118
result
GLuint64EXT * result
Definition: SDL_opengl_glext.h:9432
SDL_COPY_COLORKEY
#define SDL_COPY_COLORKEY
Definition: SDL_blit.h:39
blit_table::blit_features
Uint32 blit_features
Definition: SDL_blit_N.c:2463
width
GLint GLint GLsizei width
Definition: SDL_opengl.h:1565
SDL_BlitInfo::src_skip
int src_skip
Definition: SDL_blit.h:60
Uint32
uint32_t Uint32
An unsigned 32-bit integer type.
Definition: SDL_stdinc.h:155
RETRIEVE_RGB_PIXEL
#define RETRIEVE_RGB_PIXEL(buf, bpp, Pixel)
Definition: SDL_blit.h:145
RGB888_RGB332
#define RGB888_RGB332(dst, src)
Definition: SDL_blit_N.c:887
SDL_PixelFormat::Gmask
Uint32 Gmask
Definition: SDL_pixels.h:307
blit_table::SET_ALPHA
Definition: SDL_blit_N.c:2466
blit_table::dstB
Uint32 dstB
Definition: SDL_blit_N.c:2462
blit_table::dstR
Uint32 dstR
Definition: SDL_blit_N.c:2462
RGB888_RGB565
#define RGB888_RGB565(dst, src)
Definition: SDL_blit_N.c:1231
SDL_PixelFormat::BytesPerPixel
Uint8 BytesPerPixel
Definition: SDL_pixels.h:304
SDL_BlitInfo::flags
int flags
Definition: SDL_blit.h:68
SDL_BlitInfo::src_fmt
SDL_PixelFormat * src_fmt
Definition: SDL_blit.h:65
BlitNto2101010
static void BlitNto2101010(SDL_BlitInfo *info)
Definition: SDL_blit_N.c:2427
ASSEMBLE_RGBA
#define ASSEMBLE_RGBA(buf, bpp, fmt, r, g, b, a)
Definition: SDL_blit.h:401
SDL_Surface
A collection of pixels used in software blitting.
Definition: SDL_surface.h:69
RGB565_RGBA8888_LUT
static const Uint32 RGB565_RGBA8888_LUT[512]
Definition: SDL_blit_N.c:1698
SDL_PixelFormat::Bmask
Uint32 Bmask
Definition: SDL_pixels.h:308
SDL_PixelFormat::Ashift
Uint8 Ashift
Definition: SDL_pixels.h:317
SDL_COPY_RLE_MASK
#define SDL_COPY_RLE_MASK
Definition: SDL_blit.h:44
RGBA_FROM_ARGB2101010
#define RGBA_FROM_ARGB2101010(Pixel, r, g, b, a)
Definition: SDL_blit.h:345
normal_blit_3
static const struct blit_table normal_blit_3[]
Definition: SDL_blit_N.c:2494
bits
GLenum GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const void * bits
Definition: SDL_opengl_glext.h:6176
SDL_BlitInfo::dst_skip
int dst_skip
Definition: SDL_blit.h:64
RGB565_ABGR8888_LUT
static const Uint32 RGB565_ABGR8888_LUT[512]
Definition: SDL_blit_N.c:1560
height
GLint GLint GLsizei GLsizei height
Definition: SDL_opengl.h:1565
v2
GLfloat GLfloat GLfloat v2
Definition: SDL_opengl_glext.h:692
SDL_BlitInfo::dst_h
int dst_h
Definition: SDL_blit.h:62
Blit_RGB565_ARGB8888
static void Blit_RGB565_ARGB8888(SDL_BlitInfo *info)
Definition: SDL_blit_N.c:1554
blit_table::dstbpp
int dstbpp
Definition: SDL_blit_N.c:2461
alpha
GLfloat GLfloat GLfloat alpha
Definition: SDL_opengl_glext.h:412
SDL_BlitInfo::colorkey
Uint32 colorkey
Definition: SDL_blit.h:69
SDL_cpuinfo.h
g
GLboolean GLboolean g
Definition: SDL_opengl_glext.h:1109
normal_blit_1
static const struct blit_table normal_blit_1[]
Definition: SDL_blit_N.c:2468
SDL_BlitInfo::dst
Uint8 * dst
Definition: SDL_blit.h:61
blit_table::srcR
Uint32 srcR
Definition: SDL_blit_N.c:2460
v3
GLfloat GLfloat GLfloat GLfloat v3
Definition: SDL_opengl_glext.h:693
BlitNtoNCopyAlpha
static void BlitNtoNCopyAlpha(SDL_BlitInfo *info)
Definition: SDL_blit_N.c:2180
SDL_Surface::map
struct SDL_BlitMap * map
Definition: SDL_surface.h:88
RGB565_ARGB8888_LUT
static const Uint32 RGB565_ARGB8888_LUT[512]
Definition: SDL_blit_N.c:1422
RGB565_BGRA8888_LUT
static const Uint32 RGB565_BGRA8888_LUT[512]
Definition: SDL_blit_N.c:1836
SDL_video.h
DISEMBLE_RGBA
#define DISEMBLE_RGBA(buf, bpp, fmt, Pixel, r, g, b, a)
Definition: SDL_blit.h:352
blit_table::dstG
Uint32 dstG
Definition: SDL_blit_N.c:2462
RGB101010_RGB332
#define RGB101010_RGB332(dst, src)
Definition: SDL_blit_N.c:997
Blit2to2Key
static void Blit2to2Key(SDL_BlitInfo *info)
Definition: SDL_blit_N.c:2275
SDL_BlitInfo
Definition: SDL_blit.h:55
SDL_PixelFormat::Bshift
Uint8 Bshift
Definition: SDL_pixels.h:316
SDL_PixelFormat::Rshift
Uint8 Rshift
Definition: SDL_pixels.h:314
Uint8
uint8_t Uint8
An unsigned 8-bit integer type.
Definition: SDL_stdinc.h:139
RGB_FROM_PIXEL
#define RGB_FROM_PIXEL(Pixel, fmt, r, g, b)
Definition: SDL_blit.h:121
SDL_PixelFormat::BitsPerPixel
Uint8 BitsPerPixel
Definition: SDL_pixels.h:303
Blit4to4MaskAlpha
static void Blit4to4MaskAlpha(SDL_BlitInfo *info)
Definition: SDL_blit_N.c:2069
normal_blit_4
static const struct blit_table normal_blit_4[]
Definition: SDL_blit_N.c:2499
BlitNto1Key
static void BlitNto1Key(SDL_BlitInfo *info)
Definition: SDL_blit_N.c:2209
RGB888_RGB565_TWO
#define RGB888_RGB565_TWO(dst, src)
Definition: SDL_blit_N.c:1236
DUFFS_LOOP
#define DUFFS_LOOP(pixel_copy_increment, width)
Definition: SDL_blit.h:499
Blit_RGB888_index8
static void Blit_RGB888_index8(SDL_BlitInfo *info)
Definition: SDL_blit_N.c:893
c
const GLubyte * c
Definition: SDL_opengl_glext.h:11093
blit_table::NO_ALPHA
Definition: SDL_blit_N.c:2466
Blit_RGB565_RGBA8888
static void Blit_RGB565_RGBA8888(SDL_BlitInfo *info)
Definition: SDL_blit_N.c:1830
SDL_sscanf
#define SDL_sscanf
Definition: SDL_dynapi_overrides.h:45
Blit_RGB565_BGRA8888
static void Blit_RGB565_BGRA8888(SDL_BlitInfo *info)
Definition: SDL_blit_N.c:1968
SDL_HasMMX
#define SDL_HasMMX
Definition: SDL_dynapi_overrides.h:111
SDL_BlitInfo::src
Uint8 * src
Definition: SDL_blit.h:57
blit_table
Definition: SDL_blit_N.c:2458
mask
GLenum GLint GLuint mask
Definition: SDL_opengl_glext.h:657
SDL_BlitInfo::dst_fmt
SDL_PixelFormat * dst_fmt
Definition: SDL_blit.h:66
blit_table::COPY_ALPHA
Definition: SDL_blit_N.c:2466
SDL_getenv
#define SDL_getenv
Definition: SDL_dynapi_overrides.h:384
SDL_endian.h
RGB565_32
#define RGB565_32(dst, src, map)
Definition: SDL_blit_N.c:1356
SDL_assert
#define SDL_assert(condition)
Definition: SDL_assert.h:167
SDL_BlitMap::dst
SDL_Surface * dst
Definition: SDL_blit.h:87
NULL
#define NULL
Definition: begin_code.h:143
SDL_Surface::format
SDL_PixelFormat * format
Definition: SDL_surface.h:72
normal_blit
static const struct blit_table *const normal_blit[]
Definition: SDL_blit_N.c:2519
BlitNtoNKey
static void BlitNtoNKey(SDL_BlitInfo *info)
Definition: SDL_blit_N.c:2309
Blit2101010toN
static void Blit2101010toN(SDL_BlitInfo *info)
Definition: SDL_blit_N.c:2395
SDL_PixelFormat::Gshift
Uint8 Gshift
Definition: SDL_pixels.h:315
SDL_PixelFormat::Rmask
Uint32 Rmask
Definition: SDL_pixels.h:306
SDL_blit.h
BlitNtoNKeyCopyAlpha
static void BlitNtoNKeyCopyAlpha(SDL_BlitInfo *info)
Definition: SDL_blit_N.c:2352
v1
GLfloat GLfloat v1
Definition: SDL_opengl_glext.h:691
GetBlitFeatures
#define GetBlitFeatures()
Definition: SDL_blit_N.c:874
SDL_PixelFormat
Definition: SDL_pixels.h:299
SDL_BlitFunc
void(* SDL_BlitFunc)(SDL_BlitInfo *info)
Definition: SDL_blit.h:73
SDL_CalculateBlitN
SDL_BlitFunc SDL_CalculateBlitN(SDL_Surface *surface)
Definition: SDL_blit_N.c:2527
Uint16
uint16_t Uint16
An unsigned 16-bit integer type.
Definition: SDL_stdinc.h:147
DISEMBLE_RGB
#define DISEMBLE_RGB(buf, bpp, fmt, Pixel, r, g, b)
Definition: SDL_blit.h:176
Blit_RGB101010_index8
static void Blit_RGB101010_index8(SDL_BlitInfo *info)
Definition: SDL_blit_N.c:1003
ARGB2101010_FROM_RGBA
#define ARGB2101010_FROM_RGBA(Pixel, r, g, b, a)
Definition: SDL_blit.h:252
Blit4to4CopyAlpha
static void Blit4to4CopyAlpha(SDL_BlitInfo *info)
Definition: SDL_blit_N.c:2119
BlitNtoN
static void BlitNtoN(SDL_BlitInfo *info)
Definition: SDL_blit_N.c:2145
SDL_PixelFormat::Amask
Uint32 Amask
Definition: SDL_pixels.h:309
RGBA_FROM_8888
#define RGBA_FROM_8888(Pixel, fmt, r, g, b, a)
Definition: SDL_blit.h:310
SDL_PixelFormat::format
Uint32 format
Definition: SDL_pixels.h:301
SDL_BlitInfo::dst_w
int dst_w
Definition: SDL_blit.h:62
map
const GLubyte GLuint GLuint GLuint GLuint alpha GLboolean GLboolean GLboolean GLboolean alpha GLint GLint GLsizei GLsizei GLenum type GLenum GLint GLenum GLint GLint GLsizei GLsizei GLint border GLenum GLint GLint GLint GLint GLint GLsizei GLsizei height GLsizei GLsizei GLenum GLenum const GLvoid *pixels GLenum GLint GLint GLint GLint j2 GLdouble GLdouble GLdouble GLdouble GLdouble GLdouble zFar GLenum GLenum GLint *params GLenum GLenum GLint *params GLenum GLenum GLint *params GLenum GLenum GLfloat *params GLenum GLint GLenum GLenum GLvoid *pixels GLenum GLint GLenum GLint *params GLenum GLenum GLint *params GLenum GLsizei const GLvoid *pointer GLenum GLenum const GLint *params GLenum GLfloat GLfloat GLint GLint const GLfloat *points GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat *points GLint GLfloat GLfloat GLint GLfloat GLfloat v2 GLenum GLenum const GLint *params GLdouble GLdouble GLdouble GLdouble GLdouble GLdouble zFar GLenum map
Definition: SDL_glfuncs.h:289
a
GLboolean GLboolean GLboolean GLboolean a
Definition: SDL_opengl_glext.h:1109
Blit_RGB565_ABGR8888
static void Blit_RGB565_ABGR8888(SDL_BlitInfo *info)
Definition: SDL_blit_N.c:1692
src
GLenum src
Definition: SDL_opengl_glext.h:1737
b
GLboolean GLboolean GLboolean b
Definition: SDL_opengl_glext.h:1109
SDL_BlitMap::identity
int identity
Definition: SDL_blit.h:88
Blit_RGB888_RGB555
static void Blit_RGB888_RGB555(SDL_BlitInfo *info)
Definition: SDL_blit_N.c:1121
SDL_BlitMap::info
SDL_BlitInfo info
Definition: SDL_blit.h:91
SDL_assert.h
Blit_RGB888_RGB565
static void Blit_RGB888_RGB565(SDL_BlitInfo *info)
Definition: SDL_blit_N.c:1245
RGB888_RGB555
#define RGB888_RGB555(dst, src)
Definition: SDL_blit_N.c:1107
SDL_BlitInfo::a
Uint8 a
Definition: SDL_blit.h:70
BlitNto1
static void BlitNto1(SDL_BlitInfo *info)
Definition: SDL_blit_N.c:1974