Tutorial 21: use VK_IMAGE_FORMAT shader macro

Author: TheMostDiligent

Tutorials/Tutorial21_RayTracing/assets/RayTrace.rgen

@@ -2,13 +2,7 @@
 #include "structures.fxh"
 #include "RayUtils.fxh"
 
-#ifdef VULKAN
-#   define VK_IMAGE_FORMAT_RGBA8 [[vk::image_format("rgba8")]]
-#else
-#   define VK_IMAGE_FORMAT_RGBA8
-#endif
-
-VK_IMAGE_FORMAT_RGBA8 RWTexture2D<float4> g_ColorBuffer;
+VK_IMAGE_FORMAT("rgba8") RWTexture2D<float4> g_ColorBuffer;
 
 [shader("raygeneration")]
 void main()