Mercurial > sdl-ios-xcode
diff src/video/SDL_blit.h @ 3054:8d93bfecb9dc
Fixed alpha blending textures with the GDI renderer
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Sat, 07 Feb 2009 17:56:08 +0000 |
parents | ff602fdfdedc |
children | 90aec03bf9fd |
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--- a/src/video/SDL_blit.h Fri Jan 30 06:40:16 2009 +0000 +++ b/src/video/SDL_blit.h Sat Feb 07 17:56:08 2009 +0000 @@ -240,6 +240,18 @@ { \ Pixel = (a<<24)|(r<<16)|(g<<8)|b; \ } +#define RGBA8888_FROM_RGBA(Pixel, r, g, b, a) \ +{ \ + Pixel = (r<<24)|(g<<16)|(b<<8)|a; \ +} +#define ABGR8888_FROM_RGBA(Pixel, r, g, b, a) \ +{ \ + Pixel = (a<<24)|(b<<16)|(g<<8)|r; \ +} +#define BGRA8888_FROM_RGBA(Pixel, r, g, b, a) \ +{ \ + Pixel = (b<<24)|(g<<16)|(r<<8)|a; \ +} #define ASSEMBLE_RGB(buf, bpp, fmt, r, g, b) \ { \ switch (bpp) { \ @@ -347,6 +359,13 @@ b = ((Pixel>>16)&0xFF); \ a = (Pixel>>24); \ } +#define RGBA_FROM_BGRA8888(Pixel, r, g, b, a) \ +{ \ + r = ((Pixel>>8)&0xFF); \ + g = ((Pixel>>16)&0xFF); \ + b = (Pixel>>24); \ + a = (Pixel&0xFF); \ +} #define DISEMBLE_RGBA(buf, bpp, fmt, Pixel, r, g, b, a) \ do { \ switch (bpp) { \