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Fixed bug 2639 - SDL_BLENDMODE_BLEND not working properly for software renderer, thanks to Melker Narikka

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Sam Lantinga 2014-07-12 16:21:56 -07:00
parent d1ca658c45
commit fd1da994fa
1 changed files with 2 additions and 1 deletions
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3
src/render/software/SDL_draw.h
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@ -51,11 +51,12 @@ do { \
#define DRAW_SETPIXEL_BLEND(getpixel, setpixel) \ #define DRAW_SETPIXEL_BLEND(getpixel, setpixel) \
do { \ do { \
unsigned sr, sg, sb, sa; (void) sa; \ unsigned sr, sg, sb, sa; \
getpixel; \ getpixel; \
sr = DRAW_MUL(inva, sr) + r; \ sr = DRAW_MUL(inva, sr) + r; \
sg = DRAW_MUL(inva, sg) + g; \ sg = DRAW_MUL(inva, sg) + g; \
sb = DRAW_MUL(inva, sb) + b; \ sb = DRAW_MUL(inva, sb) + b; \
sa = DRAW_MUL(inva, sa) + a; \
setpixel; \ setpixel; \
} while (0) } while (0)