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, 0 insertions, 57 deletions

diff --git a/external/vulkan/README.md b/external/vulkan/README.md
deleted file mode 100644
index 775c02759..000000000
--- a/external/vulkan/README.md
+++ /dev/null
@@ -1,57 +0,0 @@
-# Vulkan-Headers
-
-Vulkan header files and API registry
-
-## Repository Content
-
-The contents of this repository are largely obtained from other repositories
-and are collected, coordinated, and curated here.
-
-If proposing changes to any file originating from a different repository,
-please propose such changes in that repository, rather than Vulkan-Headers.
-Files in this repository originate from:
-
-### Specification repository (https://github.com/KhronosGroup/Vulkan-Docs)
-
-* registry/cgenerator.py
-* registry/conventions.py
-* registry/generator.py
-* registry/genvk.py
-* registry/reg.py
-* registry/spec_tools/util.py
-* registry/validusage.json
-* registry/vk.xml
-* registry/vkconventions.py
-* All files under include/vulkan/ which are *not* listed explicitly as originating from another repository.
-
-### This repository (https://github.com/KhronosGroup/Vulkan-Headers)
-
-* .cmake-format.py
-* BUILD.gn
-* BUILD.md
-* CMakeLists.txt
-* CODE_OF_CONDUCT.md
-* LICENSE.txt
-* README.md
-* cmake/Copyright_cmake.txt
-* cmake/cmake_uninstall.cmake.in
-* Non-API headers (report issues against @lenny-lunarg)
-  * include/vulkan/vk_icd.h
-  * include/vulkan/vk_layer.h
-  * include/vulkan/vk_sdk_platform.h
-
-### Vulkan C++ Binding Repository (https://github.com/KhronosGroup/Vulkan-Hpp)
-
-* include/vulkan/vulkan.hpp
-
-## Version Tagging Scheme
-
-Updates to the `Vulkan-Headers` repository which correspond to a new Vulkan
-specification release are tagged using the following format:
-`v<`_`version`_`>` (e.g., `v1.1.96`).
-
-**Note**: Marked version releases have undergone thorough testing but do not
-imply the same quality level as SDK tags. SDK tags follow the
-`sdk-<`_`version`_`>.<`_`patch`_`>` format (e.g., `sdk-1.1.92.0`).
-
-This scheme was adopted following the 1.1.96 Vulkan specification release.