Fix mapping between surface and GPU pixel formats

src/gpu/SDL_gpu.c

@@ -3508,11 +3508,11 @@ SDL_PixelFormat SDL_GetPixelFormatFromGPUTextureFormat(SDL_GPUTextureFormat form
 {
     switch (format) {
     case SDL_GPU_TEXTUREFORMAT_B4G4R4A4_UNORM:
-        return SDL_PIXELFORMAT_BGRA4444;
+        return SDL_PIXELFORMAT_ARGB4444;
     case SDL_GPU_TEXTUREFORMAT_B5G6R5_UNORM:
-        return SDL_PIXELFORMAT_BGR565;
+        return SDL_PIXELFORMAT_RGB565;
     case SDL_GPU_TEXTUREFORMAT_B5G5R5A1_UNORM:
-        return SDL_PIXELFORMAT_BGRA5551;
+        return SDL_PIXELFORMAT_ARGB1555;
     case SDL_GPU_TEXTUREFORMAT_R8G8B8A8_UINT:
         return SDL_PIXELFORMAT_RGBA32;
     case SDL_GPU_TEXTUREFORMAT_R8G8B8A8_SNORM:
@@ -3543,11 +3543,11 @@ SDL_PixelFormat SDL_GetPixelFormatFromGPUTextureFormat(SDL_GPUTextureFormat form
 SDL_GPUTextureFormat SDL_GetGPUTextureFormatFromPixelFormat(SDL_PixelFormat format)
 {
     switch (format) {
-    case SDL_PIXELFORMAT_BGRA4444:
+    case SDL_PIXELFORMAT_ARGB4444:
         return SDL_GPU_TEXTUREFORMAT_B4G4R4A4_UNORM;
-    case SDL_PIXELFORMAT_BGR565:
+    case SDL_PIXELFORMAT_RGB565:
         return SDL_GPU_TEXTUREFORMAT_B5G6R5_UNORM;
-    case SDL_PIXELFORMAT_BGRA5551:
+    case SDL_PIXELFORMAT_ARGB1555:
         return SDL_GPU_TEXTUREFORMAT_B5G5R5A1_UNORM;
     case SDL_PIXELFORMAT_BGRA32:
     case SDL_PIXELFORMAT_BGRX32: