Parameter layout and reflection for Metal bindings. (#4022)

1 files changed, 11 insertions, 0 deletions

diff --git a/slang.h b/slang.h
index fde61c957..dad2f1749 100644
--- a/slang.h
+++ b/slang.h
@@ -2259,9 +2259,16 @@ extern "C"
         // The input_attachment_index subpass occupancy tracker
         SLANG_PARAMETER_CATEGORY_SUBPASS,
 
+        // Metal resource binding points.
+        SLANG_PARAMETER_CATEGORY_METAL_ARGUMENT_BUFFER_ELEMENT,
+
         //
         SLANG_PARAMETER_CATEGORY_COUNT,
 
+        // Aliases for Metal-specific categories.
+        SLANG_PARAMETER_CATEGORY_METAL_BUFFER = SLANG_PARAMETER_CATEGORY_CONSTANT_BUFFER,
+        SLANG_PARAMETER_CATEGORY_METAL_TEXTURE = SLANG_PARAMETER_CATEGORY_SHADER_RESOURCE,
+        SLANG_PARAMETER_CATEGORY_METAL_SAMPLER = SLANG_PARAMETER_CATEGORY_SAMPLER_STATE,
 
         // DEPRECATED:
         SLANG_PARAMETER_CATEGORY_VERTEX_INPUT = SLANG_PARAMETER_CATEGORY_VARYING_INPUT,
@@ -2825,6 +2832,10 @@ namespace slang
 
         InputAttachmentIndex = SLANG_PARAMETER_CATEGORY_SUBPASS,
 
+        MetalBuffer = SLANG_PARAMETER_CATEGORY_CONSTANT_BUFFER,
+        MetalTexture = SLANG_PARAMETER_CATEGORY_METAL_TEXTURE,
+        MetalArgumentBufferElement = SLANG_PARAMETER_CATEGORY_METAL_ARGUMENT_BUFFER_ELEMENT,
+
         // DEPRECATED:
         VertexInput = SLANG_PARAMETER_CATEGORY_VERTEX_INPUT,
         FragmentOutput = SLANG_PARAMETER_CATEGORY_FRAGMENT_OUTPUT,