fix runtime failure (1)

Author: fs-eire

cmake/external/onnxruntime_external_deps.cmake

@@ -644,10 +644,8 @@ if (onnxruntime_USE_WEBGPU)
 
     # file "${DAWN_EMSCRIPTEN_TOOLCHAIN}/tools/maint/gen_struct_info.py" is missing from emsdk installation.
     # we should copy if from ${PROJECT_SOURCE_DIR}/patches/
-    file(COPY_FILE
-         "${PROJECT_SOURCE_DIR}/patches/emscripten/tools/maint/gen_struct_info.py"
-         "${DAWN_EMSCRIPTEN_TOOLCHAIN}/tools/maint/gen_struct_info.py"
-         ONLY_IF_DIFFERENT)
+    file(COPY "${PROJECT_SOURCE_DIR}/patches/emscripten/tools/maint/gen_struct_info.py"
+         DESTINATION "${DAWN_EMSCRIPTEN_TOOLCHAIN}/tools/maint/")
   else()
     if (onnxruntime_BUILD_DAWN_MONOLITHIC_LIBRARY)
       set(DAWN_BUILD_MONOLITHIC_LIBRARY ON CACHE BOOL "" FORCE)

cmake/onnxruntime_providers_webgpu.cmake

@@ -32,6 +32,7 @@
     endif()
 
     target_link_libraries(onnxruntime_providers_webgpu PUBLIC emdawnwebgpu_cpp)
+    target_link_options(onnxruntime_providers_webgpu PUBLIC "SHELL:-s ASYNCIFY=1")
   else()
     onnxruntime_add_include_to_target(onnxruntime_providers_webgpu dawn::dawncpp_headers dawn::dawn_headers)
 

js/build_webgpu.bat

@@ -17,7 +17,8 @@ set BUILD_DIR=%ROOT%build_webgpu
 :arg1
 if ["%~1"]==["d"] (
     set CONFIG=Debug
-    set CONFIG_EXTRA_FLAG=--enable_wasm_profiling --cmake_extra_defines onnxruntime_ENABLE_WEBASSEMBLY_OUTPUT_OPTIMIZED_MODEL=1
+    set CONFIG_EXTRA_FLAG=--enable_wasm_profiling --wasm_run_tests_in_browser
+    @rem --cmake_extra_defines onnxruntime_ENABLE_WEBASSEMBLY_OUTPUT_OPTIMIZED_MODEL=1
     @rem --enable_wasm_debug_info
     goto :arg2
 )

onnxruntime/core/providers/webgpu/webgpu_context.cc

@@ -696,9 +696,13 @@ WebGpuContext& WebGpuContextFactory::CreateContext(const WebGpuContextConfig& co
 #endif
 
       // Step.2 - Create wgpu::Instance
+#if !defined(__wasm__)
       wgpu::InstanceDescriptor instance_desc{};
       instance_desc.features.timedWaitAnyEnable = true;
       default_instance_ = wgpu::CreateInstance(&instance_desc);
+#else
+      default_instance_ = wgpu::CreateInstance(nullptr);
+#endif
 
       ORT_ENFORCE(default_instance_ != nullptr, "Failed to create wgpu::Instance.");
     });