From d3ed08ec3073c3cb9ac24fa3670784dd6e97a164 Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Wed, 24 Apr 2024 16:23:35 -0700
Subject: Parameter layout and reflection for Metal bindings. (#4022)

---
 slang.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'slang.h')

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,
-- 
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