Use the correct pixel formats for Vulkan on big endian

Author: ccawley2011

src/render/vulkan/SDL_render_vulkan.c

@@ -395,9 +395,11 @@ static bool VULKAN_UpdateTextureInternal(VULKAN_RenderData *rendererData, VkImag
 static SDL_PixelFormat VULKAN_VkFormatToSDLPixelFormat(VkFormat vkFormat)
 {
     switch (vkFormat) {
-    case VK_FORMAT_B8G8R8A8_UNORM:
-        return SDL_PIXELFORMAT_ARGB8888;
     case VK_FORMAT_R8G8B8A8_UNORM:
+        return SDL_PIXELFORMAT_RGBA32;
+    case VK_FORMAT_B8G8R8A8_UNORM:
+        return SDL_PIXELFORMAT_BGRA32;
+    case VK_FORMAT_A8B8G8R8_UNORM_PACK32:
         return SDL_PIXELFORMAT_ABGR8888;
     case VK_FORMAT_A2R10G10B10_UNORM_PACK32:
         return SDL_PIXELFORMAT_ABGR2101010;
@@ -430,8 +432,12 @@ static VkDeviceSize VULKAN_GetBytesPerPixel(VkFormat vkFormat, int plane)
         return 2;
     case VK_FORMAT_R16G16_UNORM:
         return 4;
+    case VK_FORMAT_R8G8B8A8_SRGB:
+    case VK_FORMAT_R8G8B8A8_UNORM:
     case VK_FORMAT_B8G8R8A8_SRGB:
     case VK_FORMAT_B8G8R8A8_UNORM:
+    case VK_FORMAT_A8B8G8R8_SRGB_PACK32:
+    case VK_FORMAT_A8B8G8R8_UNORM_PACK32:
     case VK_FORMAT_A2R10G10B10_UNORM_PACK32:
         return 4;
     case VK_FORMAT_R16G16B16A16_SFLOAT:
@@ -454,16 +460,23 @@ static VkFormat SDLPixelFormatToVkTextureFormat(Uint32 format, Uint32 output_col
         return VK_FORMAT_R16G16B16A16_SFLOAT;
     case SDL_PIXELFORMAT_ABGR2101010:
         return VK_FORMAT_A2B10G10R10_UNORM_PACK32;
-    case SDL_PIXELFORMAT_ARGB8888:
+    case SDL_PIXELFORMAT_RGBA32:
+        if (output_colorspace == SDL_COLORSPACE_SRGB_LINEAR) {
+            return VK_FORMAT_R8G8B8A8_SRGB;
+        }
+        return VK_FORMAT_R8G8B8A8_UNORM;
+    case SDL_PIXELFORMAT_BGRA32:
         if (output_colorspace == SDL_COLORSPACE_SRGB_LINEAR) {
             return VK_FORMAT_B8G8R8A8_SRGB;
         }
         return VK_FORMAT_B8G8R8A8_UNORM;
+#if SDL_BYTEORDER == SDL_BIG_ENDIAN
     case SDL_PIXELFORMAT_ABGR8888:
         if (output_colorspace == SDL_COLORSPACE_SRGB_LINEAR) {
-            return VK_FORMAT_R8G8B8A8_SRGB;
+            return VK_FORMAT_A8B8G8R8_SRGB_PACK32;
         }
-        return VK_FORMAT_R8G8B8A8_UNORM;
+        return VK_FORMAT_A8B8G8R8_UNORM_PACK32;
+#endif
     case SDL_PIXELFORMAT_INDEX8:
         return VK_FORMAT_R8_UNORM;
     case SDL_PIXELFORMAT_YUY2:
@@ -4553,8 +4566,11 @@ static bool VULKAN_CreateRenderer(SDL_Renderer *renderer, SDL_Window *window, SD
     VULKAN_InvalidateCachedState(renderer);
 
     renderer->name = VULKAN_RenderDriver.name;
-    SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_ARGB8888);
+    SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_BGRA32);    // SDL_PIXELFORMAT_ARGB8888 on little endian systems
+    SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_RGBA32);
+#if SDL_BYTEORDER == SDL_BIG_ENDIAN
     SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_ABGR8888);
+#endif
     SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_ABGR2101010);
     SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_RGBA64_FLOAT);
     SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_INDEX8);