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Add big-endian support. I think someone on a Solaris box

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requested this.  This just barely pre-dates me getting the iBook
v2.9.4c
This commit is contained in:
Vince Weaver 2001-10-04 18:36:00 -04:00
parent 2fc24406a5
commit ecb5d89bc8
1 changed files with 22 additions and 16 deletions
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38
svmwgraph/sdl_svmwgraph.c
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@ -58,6 +58,16 @@ void *SDL_setupGraphics(int *xsize,int *ysize,int *bpp,
if (verbose) {
printf(" + SDL Graphics Initialization successful...\n");
printf(" + Using %dx%dx%dbpp Visual...\n",*xsize,*ysize,*bpp);
#if BYTE_ORDER==LITTLE_ENDIAN
printf(" + Little-endian byte-order detected\n");
#else
printf(" + Big-endian byte-order detected\n");
#endif
printf(" + Red: %x Green: %x Blue: %x Alpha: %x\n",
sdl_screen->format->Rmask,
sdl_screen->format->Gmask,
sdl_screen->format->Bmask,
sdl_screen->format->Amask);
}
return sdl_screen;
}
@ -104,11 +114,9 @@ void SDL_NoScale32bpp_BlitMem(vmwSVMWGraphState *target_p, vmwVisual *source) {
for (x=0;x<source->xsize;x++)
for (y=0;y<source->ysize;y++) {
color=( (target_p->actual_pal[*(s_pointer)].r<<24)+
(target_p->actual_pal[*(s_pointer)].g<<16)+
(target_p->actual_pal[*(s_pointer)].b<<8)+
255);
color=SDL_MapRGB(target->format,target_p->actual_pal[*(s_pointer)].r,
target_p->actual_pal[*(s_pointer)].g,
target_p->actual_pal[*(s_pointer)].b);
*((Uint32 *)(t_pointer))=color;
s_pointer++; t_pointer+=4;
@ -148,26 +156,24 @@ void SDL_Double32bpp_BlitMem(vmwSVMWGraphState *target_p, vmwVisual *source) {
for (y=0;y<source->ysize;y++) {
for (x=0;x<source->xsize;x++) {
color=( (target_p->actual_pal[*(s_pointer)].r<<24)+
(target_p->actual_pal[*(s_pointer)].g<<16)+
(target_p->actual_pal[*(s_pointer)].b<<8)+
255);
color=SDL_MapRGB(target->format,target_p->actual_pal[*(s_pointer)].r,
target_p->actual_pal[*(s_pointer)].g,
target_p->actual_pal[*(s_pointer)].b);
/* i=0, j=0 */
*((Uint16 *) ( (t_pointer)))=color;
*((Uint32 *) ( (t_pointer)))=color;
/* i=1, j=0 */
*((Uint16 *) ( (t_pointer+(2*target_p->xsize) )))=color;
*((Uint32 *) ( (t_pointer+(2*target_p->xsize) )))=color;
/* i=0, j=1 */
*((Uint16 *) ( (t_pointer+2) ))=color;
*((Uint32 *) ( (t_pointer+4) ))=color;
/* i=1 j=1 */
*((Uint16 *) ( (t_pointer+2+(2*target_p->xsize) )))=color;
*((Uint32 *) ( (t_pointer+4+(2*target_p->xsize) )))=color;
s_pointer++; t_pointer+=4;
s_pointer++; t_pointer+=8;
}
t_pointer+=2*target_p->xsize;
}
@ -262,7 +268,7 @@ void SDL_Double16bpp_BlitMem(vmwSVMWGraphState *target_p, vmwVisual *source) {
s_pointer++; t_pointer+=4;
}
t_pointer+=4*target_p->xsize;
t_pointer+=2*target_p->xsize;
}