| 998 | } |
| 999 | |
| 1000 | static Uint32 |
| 1001 | GetClosestSupportedFormat(SDL_Renderer * renderer, Uint32 format) |
| 1002 | { |
| 1003 | Uint32 i; |
| 1004 | |
| 1005 | if (SDL_ISPIXELFORMAT_FOURCC(format)) { |
| 1006 | /* Look for an exact match */ |
| 1007 | for (i = 0; i < renderer->info.num_texture_formats; ++i) { |
| 1008 | if (renderer->info.texture_formats[i] == format) { |
| 1009 | return renderer->info.texture_formats[i]; |
| 1010 | } |
| 1011 | } |
| 1012 | } else { |
| 1013 | SDL_bool hasAlpha = SDL_ISPIXELFORMAT_ALPHA(format); |
| 1014 | |
| 1015 | /* We just want to match the first format that has the same channels */ |
| 1016 | for (i = 0; i < renderer->info.num_texture_formats; ++i) { |
| 1017 | if (!SDL_ISPIXELFORMAT_FOURCC(renderer->info.texture_formats[i]) && |
| 1018 | SDL_ISPIXELFORMAT_ALPHA(renderer->info.texture_formats[i]) == hasAlpha) { |
| 1019 | return renderer->info.texture_formats[i]; |
| 1020 | } |
| 1021 | } |
| 1022 | } |
| 1023 | return renderer->info.texture_formats[0]; |
| 1024 | } |
| 1025 | |
| 1026 | |
| 1027 | static SDL_ScaleMode SDL_GetScaleMode(void) |