[WebGPU, Dawn]: Enable WebGPU shader serialization on Linux

Author: MikhailGorobets

CMakeLists.txt

@@ -197,6 +197,7 @@ elseif(PLATFORM_ANDROID)
 elseif(PLATFORM_LINUX)
     set(GL_SUPPORTED       TRUE CACHE INTERNAL "OpenGL is supported on Linux platform")
     set(VULKAN_SUPPORTED   TRUE CACHE INTERNAL "Vulkan is supported on Linux platform")
+    set(WEBGPU_SUPPORTED   TRUE CACHE INTERNAL "WebGPU is supported on Linux platform via Dawn")
     set(ARCHIVER_SUPPORTED TRUE CACHE INTERNAL "Archiver is supported on Linux platform")
     target_compile_definitions(Diligent-PublicBuildSettings INTERFACE PLATFORM_LINUX=1)
 elseif(PLATFORM_MACOS)

Graphics/GraphicsEngineWebGPU/include/pch.h

@@ -32,6 +32,8 @@
 #pragma once
 
 #include <string>
+#include <cstring>
+#include <algorithm>
 
 #include <webgpu/webgpu.h>
 

Graphics/ShaderTools/include/WGSLShaderResources.hpp

@@ -37,6 +37,7 @@
 
 #include <memory>
 #include <string>
+#include <cstdint>
 
 #include "Shader.h"
 #include "PipelineState.h"

Graphics/ShaderTools/include/WGSLUtils.hpp

@@ -26,6 +26,7 @@
 
 #pragma once
 
+#include <cstdint>
 #include <string>
 #include <vector>
 #include <unordered_map>

Graphics/ShaderTools/src/WGSLShaderResources.cpp

@@ -25,6 +25,10 @@
  */
 
 #include "WGSLShaderResources.hpp"
+
+#include <algorithm>
+#include <cstring>
+
 #include "Align.hpp"
 #include "StringPool.hpp"
 #include "WGSLUtils.hpp"

Graphics/ShaderTools/src/WGSLUtils.cpp

@@ -25,6 +25,10 @@
  */
 
 #include "WGSLUtils.hpp"
+
+#include <algorithm>
+#include <cstring>
+
 #include "DebugUtilities.hpp"
 #include "ParsingTools.hpp"
 #include "ShaderToolsCommon.hpp"

ThirdParty/dawn/CMakeLists.txt

@@ -62,10 +62,17 @@ elseif(PLATFORM_MACOS)
 elseif(PLATFORM_WIN32)
     set(DAWN_ENABLE_D3D12 ON  CACHE BOOL "" FORCE)
     set(TINT_BUILD_HLSL_WRITER ON CACHE BOOL "" FORCE)
+elseif(PLATFORM_LINUX)
+    # Null device (serialization-only). dawn_native still references tint::Bindings, which Tint defines
+    # only when a backend writer is built — enable the HLSL writer (pure Tint, same as Windows).
+    set(DAWN_ENABLE_NULL ON CACHE BOOL "" FORCE)
+    set(TINT_BUILD_HLSL_WRITER ON CACHE BOOL "" FORCE)
 endif()
 
 set(DAWN_USE_GLFW                 OFF CACHE BOOL "" FORCE)
-set(DAWN_ENABLE_NULL              OFF CACHE BOOL "" FORCE)
+if(NOT PLATFORM_LINUX)
+    set(DAWN_ENABLE_NULL          OFF CACHE BOOL "" FORCE)
+endif()
 set(DAWN_USE_WINDOWS_UI           OFF CACHE BOOL "" FORCE)
 set(DAWN_ENABLE_SPIRV_VALIDATION  OFF CACHE BOOL "" FORCE)
 set(DAWN_BUILD_MONOLITHIC_LIBRARY OFF CACHE STRING "" FORCE)