[dxgi] Use VK_FORMAT_A8_UNORM if supported

doitsujin · Dec 9, 2024 · 75d9101 · 75d9101
1 parent 58f1800
commit 75d9101
Showing 1 changed file with 12 additions and 4 deletions.
diff --git a/src/dxgi/dxgi_format.cpp b/src/dxgi/dxgi_format.cpp
@@ -318,12 +318,10 @@ namespace dxvk {
       VK_FORMAT_R8_UINT,
       VK_IMAGE_ASPECT_COLOR_BIT },
     // DXGI_FORMAT_A8_UNORM
-    { VK_FORMAT_R8_UNORM,
+    { VK_FORMAT_A8_UNORM_KHR,
       VK_FORMAT_UNDEFINED,
       VK_FORMAT_UNDEFINED,
-      VK_IMAGE_ASPECT_COLOR_BIT, 0,
-      { VK_COMPONENT_SWIZZLE_ZERO, VK_COMPONENT_SWIZZLE_ZERO,
-        VK_COMPONENT_SWIZZLE_ZERO, VK_COMPONENT_SWIZZLE_R }},
+      VK_IMAGE_ASPECT_COLOR_BIT },
     // DXGI_FORMAT_R1_UNORM
     { }, // Unsupported
     // DXGI_FORMAT_R9G9B9E5_SHAREDEXP
@@ -860,6 +858,16 @@ namespace dxvk {
       RemapDepthFormat(DXGI_FORMAT_X24_TYPELESS_G8_UINT,  VK_FORMAT_D32_SFLOAT_S8_UINT);
       RemapDepthFormat(DXGI_FORMAT_D24_UNORM_S8_UINT,     VK_FORMAT_D32_SFLOAT_S8_UINT);
     }
+
+    if (!CheckImageFormatSupport(device, VK_FORMAT_A8_UNORM_KHR,
+          VK_FORMAT_FEATURE_2_SAMPLED_IMAGE_BIT |
+          VK_FORMAT_FEATURE_2_STORAGE_IMAGE_BIT |
+          VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT)) {
+      Logger::info("DXGI: VK_FORMAT_A8_UNORM_KHR -> VK_FORMAT_R8_UNORM");
+      RemapColorFormat(DXGI_FORMAT_A8_UNORM, VK_FORMAT_R8_UNORM, {
+          VK_COMPONENT_SWIZZLE_ZERO, VK_COMPONENT_SWIZZLE_ZERO,
+          VK_COMPONENT_SWIZZLE_ZERO, VK_COMPONENT_SWIZZLE_R });
+    }
   }