Fixed bug 4229 - Add support for ABGR format in DirectFB renderer

Alexandre

DirectFB supports 32-bit ABGR pixel format via DSPF_ABGR, but SDL doesn't map SDL_PIXELFORMAT_ABGR8888 to DSPF_ABGR.

A patch is attached and should add support for ABGR pixel format devices.

src/video/directfb/SDL_DirectFB_video.c

@@ -324,6 +324,7 @@ static const struct {
     { DSPF_YUY2, SDL_PIXELFORMAT_YUY2 },                /* 16 bit YUV (4 byte/ 2 pixel, macropixel contains CbYCrY [31:0]) */
     { DSPF_UYVY, SDL_PIXELFORMAT_UYVY },                /* 16 bit YUV (4 byte/ 2 pixel, macropixel contains YCbYCr [31:0]) */
     { DSPF_RGB555, SDL_PIXELFORMAT_RGB555 },            /* 16 bit RGB (2 byte, nothing @15, red 5@10, green 5@5, blue 5@0) */
+    { DSPF_ABGR, SDL_PIXELFORMAT_ABGR8888 },		/* 32 bit ABGR (4  byte, alpha 8@24, blue 8@16, green 8@8, red 8@0) */
 #if (ENABLE_LUT8)
     { DSPF_LUT8, SDL_PIXELFORMAT_INDEX8 },              /* 8 bit LUT (8 bit color and alpha lookup from palette) */
 #endif
@@ -370,7 +371,6 @@ static const struct {
     { DSPF_UNKNOWN, SDL_PIXELFORMAT_BGR24 },
     { DSPF_UNKNOWN, SDL_PIXELFORMAT_BGR888 },
     { DSPF_UNKNOWN, SDL_PIXELFORMAT_RGBA8888 },
-    { DSPF_UNKNOWN, SDL_PIXELFORMAT_ABGR8888 },
     { DSPF_UNKNOWN, SDL_PIXELFORMAT_BGRA8888 },
     { DSPF_UNKNOWN, SDL_PIXELFORMAT_ARGB2101010 },
     { DSPF_UNKNOWN, SDL_PIXELFORMAT_ABGR4444 },