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, 58 deletions

diff --git a/external/vulkan/registry/spec_tools/util.py b/external/vulkan/registry/spec_tools/util.py
deleted file mode 100644
index ce11fd74f..000000000
--- a/external/vulkan/registry/spec_tools/util.py
+++ /dev/null
@@ -1,58 +0,0 @@
-"""Utility functions not closely tied to other spec_tools types."""
-# Copyright (c) 2018-2019 Collabora, Ltd.
-# Copyright (c) 2013-2020 The Khronos Group Inc.
-#
-# SPDX-License-Identifier: Apache-2.0
-
-
-def getElemName(elem, default=None):
-    """Get the name associated with an element, either a name child or name attribute."""
-    name_elem = elem.find('name')
-    if name_elem is not None:
-        return name_elem.text
-    # Fallback if there is no child.
-    return elem.get('name', default)
-
-
-def getElemType(elem, default=None):
-    """Get the type associated with an element, either a type child or type attribute."""
-    type_elem = elem.find('type')
-    if type_elem is not None:
-        return type_elem.text
-    # Fallback if there is no child.
-    return elem.get('type', default)
-
-
-def findFirstWithPredicate(collection, pred):
-    """Return the first element that satisfies the predicate, or None if none exist.
-
-    NOTE: Some places where this is used might be better served by changing to a dictionary.
-    """
-    for elt in collection:
-        if pred(elt):
-            return elt
-    return None
-
-
-def findNamedElem(elems, name):
-    """Traverse a collection of elements with 'name' nodes or attributes, looking for and returning one with the right name.
-
-    NOTE: Many places where this is used might be better served by changing to a dictionary.
-    """
-    return findFirstWithPredicate(elems, lambda elem: getElemName(elem) == name)
-
-
-def findTypedElem(elems, typename):
-    """Traverse a collection of elements with 'type' nodes or attributes, looking for and returning one with the right typename.
-
-    NOTE: Many places where this is used might be better served by changing to a dictionary.
-    """
-    return findFirstWithPredicate(elems, lambda elem: getElemType(elem) == typename)
-
-
-def findNamedObject(collection, name):
-    """Traverse a collection of elements with 'name' attributes, looking for and returning one with the right name.
-
-    NOTE: Many places where this is used might be better served by changing to a dictionary.
-    """
-    return findFirstWithPredicate(collection, lambda elt: elt.name == name)