Remove explicit typeless formats (#241)

* add TextureUsage::Typeless

* remove explicit typeless formats and reorder the list

* improve metal getFormatSupport

* fix metal

* fix metal pixel format translation

* fix d3d table

* add metal format table

* fix metal

* metal fix

* fix

* use getVertexFormat for input layout

* d3d11 typeless support

* d3d12 typeless support

* cleanup

* fix buffer/texture labels

* remove dead code

Author: skallweitNV

include/slang-rhi.h

@@ -157,91 +157,79 @@ enum class Format
     // has a matching Vulkan format but is also omitted as it is only supported by Nvidia.
     Undefined,
 
-    R32G32B32A32_TYPELESS,
-    R32G32B32_TYPELESS,
-    R32G32_TYPELESS,
-    R32_TYPELESS,
-
-    R16G16B16A16_TYPELESS,
-    R16G16_TYPELESS,
-    R16_TYPELESS,
-
-    R8G8B8A8_TYPELESS,
-    R8G8_TYPELESS,
-    R8_TYPELESS,
-    B8G8R8A8_TYPELESS,
-
-    R32G32B32A32_FLOAT,
-    R32G32B32_FLOAT,
-    R32G32_FLOAT,
-    R32_FLOAT,
-
-    R16G16B16A16_FLOAT,
-    R16G16_FLOAT,
-    R16_FLOAT,
-
-    R32G32B32A32_UINT,
-    R32G32B32_UINT,
-    R32G32_UINT,
-    R32_UINT,
-
-    R16G16B16A16_UINT,
-    R16G16_UINT,
-    R16_UINT,
-
-    R8G8B8A8_UINT,
-    R8G8_UINT,
     R8_UINT,
-
-    R32G32B32A32_SINT,
-    R32G32B32_SINT,
-    R32G32_SINT,
-    R32_SINT,
-
-    R16G16B16A16_SINT,
-    R16G16_SINT,
-    R16_SINT,
-
-    R8G8B8A8_SINT,
-    R8G8_SINT,
     R8_SINT,
+    R8_UNORM,
+    R8_SNORM,
 
-    R16G16B16A16_UNORM,
-    R16G16_UNORM,
-    R16_UNORM,
+    R8G8_UINT,
+    R8G8_SINT,
+    R8G8_UNORM,
+    R8G8_SNORM,
 
+    R8G8B8A8_UINT,
+    R8G8B8A8_SINT,
     R8G8B8A8_UNORM,
     R8G8B8A8_UNORM_SRGB,
-    R8G8_UNORM,
-    R8_UNORM,
+    R8G8B8A8_SNORM,
+
     B8G8R8A8_UNORM,
     B8G8R8A8_UNORM_SRGB,
     B8G8R8X8_UNORM,
     B8G8R8X8_UNORM_SRGB,
 
-    R16G16B16A16_SNORM,
-    R16G16_SNORM,
+    R16_UINT,
+    R16_SINT,
+    R16_UNORM,
     R16_SNORM,
+    R16_FLOAT,
 
-    R8G8B8A8_SNORM,
-    R8G8_SNORM,
-    R8_SNORM,
+    R16G16_UINT,
+    R16G16_SINT,
+    R16G16_UNORM,
+    R16G16_SNORM,
+    R16G16_FLOAT,
 
-    D32_FLOAT,
-    D16_UNORM,
-    D32_FLOAT_S8_UINT,
-    R32_FLOAT_X32_TYPELESS,
+    R16G16B16A16_UINT,
+    R16G16B16A16_SINT,
+    R16G16B16A16_UNORM,
+    R16G16B16A16_SNORM,
+    R16G16B16A16_FLOAT,
+
+    R32_UINT,
+    R32_SINT,
+    R32_FLOAT,
+
+    R32G32_UINT,
+    R32G32_SINT,
+    R32G32_FLOAT,
+
+    R32G32B32_UINT,
+    R32G32B32_SINT,
+    R32G32B32_FLOAT,
+
+    R32G32B32A32_UINT,
+    R32G32B32A32_SINT,
+    R32G32B32A32_FLOAT,
+
+    R64_UINT,
+    R64_SINT,
 
     B4G4R4A4_UNORM,
     B5G6R5_UNORM,
     B5G5R5A1_UNORM,
 
     R9G9B9E5_SHAREDEXP,
-    R10G10B10A2_TYPELESS,
-    R10G10B10A2_UNORM,
     R10G10B10A2_UINT,
+    R10G10B10A2_UNORM,
     R11G11B10_FLOAT,
 
+    // Depth/stencil formats
+    D32_FLOAT,
+    D16_UNORM,
+    D32_FLOAT_S8_UINT,
+
+    // Compressed formats
     BC1_UNORM,
     BC1_UNORM_SRGB,
     BC2_UNORM,
@@ -257,9 +245,6 @@ enum class Format
     BC7_UNORM,
     BC7_UNORM_SRGB,
 
-    R64_UINT,
-    R64_SINT,
-
     _Count,
 };
 
@@ -290,7 +275,6 @@ struct FormatInfo
     /// The height of a block in pixels.
     uint8_t blockHeight;
 
-    bool isTypeless : 1;
     bool isCompressed : 1;
 };
 
@@ -587,7 +571,8 @@ enum class TextureUsage
     CopyDestination = (1 << 7),
     ResolveSource = (1 << 8),
     ResolveDestination = (1 << 9),
-    Shared = (1 << 10),
+    Typeless = (1 << 10),
+    Shared = (1 << 11),
 };
 SLANG_RHI_ENUM_CLASS_OPERATORS(TextureUsage);