pandory500/SDL-mirror
2
0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Restored SDL_BLENDMODE_MOD for MAME

Browse source
This commit is contained in:
Sam Lantinga 2011-02-04 19:50:56 -08:00
parent 31f1dceb0c
commit 8209e2a9a9
21 changed files with 1187 additions and 156 deletions
Download patch file Download diff file Expand all files Collapse all files

7
src/video/SDL_blit_slow.c
View file

@ -117,7 +117,7 @@ SDL_Blit_Slow(SDL_BlitInfo * info)
srcB = (srcB * srcA) / 255;
}
}
switch (flags & (SDL_COPY_BLEND | SDL_COPY_ADD)) {
switch (flags & (SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD)) {
case 0:
dstR = srcR;
dstG = srcG;
@ -140,6 +140,11 @@ SDL_Blit_Slow(SDL_BlitInfo * info)
if (dstB > 255)
dstB = 255;
break;
case SDL_COPY_MOD:
dstR = (srcR * dstR) / 255;
dstG = (srcG * dstG) / 255;
dstB = (srcB * dstB) / 255;
break;
}
if (dst_fmt->Amask) {
ASSEMBLE_RGBA(dst, dstbpp, dst_fmt, dstR, dstG, dstB, dstA);