Add Mesh and Task shader support to GFX (#3190)

* Bump vulkan headers

Also just use vulkan-headers as a submodule

* Add drawMeshTasks to gfx graphics pipelines

* Add DispatchMesh overload with no payload, with GLSL intrinsic

* Require spirv 1.4 for mesh shaders

* Add vulkan mesh shader feature discovery

* Add mesh shader stage bits to vk-util

* Add mesh and task shader support to render-test

* Add mesh and task tests

* Preserve "payload" specifier in task shaders

* Add mesh shader pipeline support to gfx

* Add TODO

* Add numThreads attribute for amplification stage

* Add payload to task shader test

* Drop dependency on d3dx12

* Allow passing payloads from task to mesh shaders

* regenerate vs projects

* check DispatchMesh name correctly

* Add mesh shader tests to failing tests

* Detect wave-ops feature on vulkan

* Add fuse-product to expected failures

This fails because the global varaible `count` is not initialized

* Add required extension to WaveMaskMatch SPIR-V impl

* Remove meshShader member from pipeline desc

* Identify mesh shader support on d3d12

1 files changed, 8 insertions, 0 deletions

diff --git a/tools/render-test/options.h b/tools/render-test/options.h
index c2466f671..e3b19c272 100644
--- a/tools/render-test/options.h
+++ b/tools/render-test/options.h
@@ -33,10 +33,18 @@ struct Options
 
     enum class ShaderProgramType
     {
+        // Vertex and Fragment shader, writing an image out
         Graphics,
+        // Compute shader, writing buffer contents out
         Compute,
+        // Vertex and Fragment shader, writing buffer contents out
         GraphicsCompute,
+        // Ray tracing shaders, writing buffer contents out
         RayTracing,
+        // Mesh and Fragment shader, writing buffer contents out
+        GraphicsMeshCompute,
+        // Task, Mesh and Fragment shader, writing buffer contents out
+        GraphicsTaskMeshCompute,
     };
 
     Slang::String appName = "render-test";