Add WGSL support for slang-test (#5174)

* Use the assembly description as target when disassembling

I believe this is a bugfix.
It seems to have worked before because up until the WGSL case, the disassembler has been
the same executable as the one producing the binary to be disassembled.

* Add Tint as a downstream compiler

This closes issue #5104.

* Add downstream compiler for Tint.
 * Tint is wrapped in a shared library, 'slang-tint' available from [1].
 * The header file for slang-tint.dll is added in external/slang-tint-headers.
* Add some boilerplate for WGSL targets.
* Add an entry point test for WGSL.

[1] https://github.com/shader-slang/dawn/releases/tag/slang-tint-0

* Add WGSL_SPIRV as supported target for Glslang

* Add WebGPU support to slang-test

This helps to address issue #5051.

* Disable lots of crashing compute tests for 'wgpu'

This closes issue #5051.

---------

Co-authored-by: Yong He <yonghe@outlook.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/source/compiler-core/slang-glslang-compiler.cpp b/source/compiler-core/slang-glslang-compiler.cpp
index 9ef8e7fb4..54635873a 100644
--- a/source/compiler-core/slang-glslang-compiler.cpp
+++ b/source/compiler-core/slang-glslang-compiler.cpp
@@ -301,7 +301,9 @@ SlangResult GlslangDownstreamCompiler::validate(const uint32_t* contents, int co
 bool GlslangDownstreamCompiler::canConvert(const ArtifactDesc& from, const ArtifactDesc& to)
 {
     // Can only disassemble blobs that are SPIR-V
-    return ArtifactDescUtil::isDisassembly(from, to) && from.payload == ArtifactPayload::SPIRV;
+    return ArtifactDescUtil::isDisassembly(from, to) && (
+        (from.payload == ArtifactPayload::SPIRV) ||
+        (from.payload == ArtifactPayload::WGSL_SPIRV));
 }
 
 SlangResult GlslangDownstreamCompiler::convert(IArtifact* from, const ArtifactDesc& to, IArtifact** outArtifact)