diff options
| -rw-r--r-- | backends/platform/sdl/sdl.h | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/backends/platform/sdl/sdl.h b/backends/platform/sdl/sdl.h index 074a55069d..598b943e4b 100644 --- a/backends/platform/sdl/sdl.h +++ b/backends/platform/sdl/sdl.h @@ -92,13 +92,26 @@ public: // Highest supported virtual Graphics::PixelFormat getBestFormat() const { //TODO scale down 16/32 bit based on hardware support -#ifdef ENABLE_32BIT - return Graphics::PixelFormat(Graphics::kFormatRGBA8888); -#elif defined ENABLE_16BIT - return Graphics::PixelFormat(Graphics::kFormatRGB565); -#else +#if (defined ENABLE_32BIT) || (defined ENABLE_16BIT) + { + SDL_PixelFormat *HWFormat = SDL_GetVideoInfo()->vfmt; +#ifdef ENABLE_32BIT + if (HWFormat->BitsPerPixel > 32) + return Graphics::PixelFormat(Graphics::kFormatRGBA8888); + return Graphics::PixelFormat(HWFormat->BytesPerPixel, + HWFormat->Rloss, HWFormat->Gloss, HWFormat->Bloss, HWFormat->Aloss, + HWFormat->Rshift, HWFormat->Gshift, HWFormat->Bshift, HWFormat->Ashift); +#else //16 + if (HWFormat->BitsPerPixel > 16) + return Graphics::PixelFormat(Graphics::kFormatRGB565); + return Graphics::PixelFormat(HWFormat->BytesPerPixel, + HWFormat->Rloss, HWFormat->Gloss, HWFormat->Bloss, HWFormat->Aloss, + HWFormat->Rshift, HWFormat->Gshift, HWFormat->Bshift, HWFormat->Ashift); + } +#endif //ENABLE_32BIT +#else //8BIT only return Graphics::PixelFormat(Graphics::kFormatCLUT8); -#endif +#endif //ENABLE_32BIT or ENABLE_16BIT } #endif |