Fixed supported pixel formats on big endian systems (thanks @ccawley2011!)

src/render/gpu/SDL_render_gpu.c

@@ -1787,10 +1787,10 @@ static bool GPU_CreateRenderer(SDL_Renderer *renderer, SDL_Window *window, SDL_P
         }
     }
 
-    SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_ARGB8888);
-    SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_ABGR8888);
-    SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_XRGB8888);
-    SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_XBGR8888);
+    SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_BGRA32);    // SDL_PIXELFORMAT_ARGB8888 on little endian systems
+    SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_RGBA32);
+    SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_BGRX32);
+    SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_RGBX32);
     SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_ABGR2101010);
     SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_RGBA64_FLOAT);
     SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_INDEX8);

src/render/opengl/SDL_render_gl.c

@@ -1933,7 +1933,7 @@ static bool GL_CreateRenderer(SDL_Renderer *renderer, SDL_Window *window, SDL_Pr
 
     // RGBA32 is always supported with OpenGL
     if (bgra_supported) {
-        SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_BGRA32);
+        SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_BGRA32);    // SDL_PIXELFORMAT_ARGB8888 on little endian systems
     }
     SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_RGBA32);
 

src/render/opengles2/SDL_render_gles2.c

@@ -2430,10 +2430,10 @@ static bool GLES2_CreateRenderer(SDL_Renderer *renderer, SDL_Window *window, SDL
     data->glGetIntegerv(GL_FRAMEBUFFER_BINDING, &window_framebuffer);
     data->window_framebuffer = (GLuint)window_framebuffer;
 
-    SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_ARGB8888);
-    SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_ABGR8888);
-    SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_XRGB8888);
-    SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_XBGR8888);
+    SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_BGRA32);    // SDL_PIXELFORMAT_ARGB8888 on little endian systems
+    SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_RGBA32);
+    SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_BGRX32);
+    SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_RGBX32);
     SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_INDEX8);
 #ifdef SDL_HAVE_YUV
     SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_YV12);