head/tail and back to previous emsdk

.github/workflows/build.yml

@@ -17,15 +17,15 @@ jobs:
              cd ..
              git clone https://github.com/emscripten-core/emsdk.git
              cd emsdk
-             ./emsdk install latest
+             ./emsdk install 3.1.24
       - name: Clone DepotTools
         run: |
              cd ..
              git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git
       - name: Build
         run: |
              cd ../emsdk
-             ./emsdk activate latest
+             ./emsdk activate 3.1.24
              source "emsdk_env.sh"
              cd ../depot_tools
              export PATH=$(pwd):$PATH

Core/twgsl/CMakeLists.txt

@@ -7,6 +7,8 @@ target_compile_options(twgsl PUBLIC "SHELL:-s ALLOW_MEMORY_GROWTH=1")
 target_link_libraries(twgsl PRIVATE libtint)
 target_link_options(twgsl PRIVATE -s EXPORTED_FUNCTIONS=["_test","_spirv_to_wgsl","_free","_malloc"])
 target_link_options(twgsl PRIVATE -s --js-library ${CMAKE_CURRENT_SOURCE_DIR}/Source/callbacks.js)
+target_link_options(twgsl PRIVATE --extern-pre-js ${CMAKE_CURRENT_SOURCE_DIR}/head.js)
+target_link_options(twgsl PRIVATE --extern-post-js ${CMAKE_CURRENT_SOURCE_DIR}/tail.js)
 target_link_options(twgsl PUBLIC "SHELL:-s ALLOW_MEMORY_GROWTH=1")
 target_link_options(twgsl PRIVATE -Oz)
 target_link_options(twgsl PRIVATE -flto)

Core/twgsl/head.js

@@ -0,0 +1,2 @@
+var Module = function(Module) {
+    Module = Module || {};

Core/twgsl/tail.js

@@ -0,0 +1,49 @@
+return Module;
+};
+(function tryToExport(root, factory) {
+    if (typeof exports === 'object' && typeof module === 'object')
+      module.exports = factory();
+    else if (typeof define === 'function' && define.amd)
+      define("twgsl", [], factory);
+    else if (typeof exports === 'object')
+      exports["twgsl"] = factory();
+    else      root["twgsl"] = factory();
+  })(typeof self !== "undefined" ? self : typeof global !== "undefined" ? global : this, () => {
+    const initialize = (wasmPath) => {
+      wasmPath = wasmPath || 'twgsl.wasm'      return new Promise(resolve => {
+          Module({
+              locateFile() {
+                  return wasmPath;
+              },
+              onRuntimeInitialized() {
+                  var twgsl = this;
+                  var wgsl = "";
+                  var textDecoder = new TextDecoder();
+                  var convertSpirV2WGSL = (code) => {
+                    if (!twgsl._return_string_callback) {
+                        twgsl._return_string_callback = (data, length) => {
+                            const bytes = new Uint8ClampedArray(twgsl.HEAPU8.subarray(data, data + length));
+                            wgsl = textDecoder.decode(bytes);
+                        };
+                    }
+                    let addr = twgsl._malloc(code.byteLength);
+                    twgsl.HEAPU32.set(code, addr / 4);
+                    twgsl._spirv_to_wgsl(addr, code.byteLength);
+                    twgsl._free(addr);
+                    return wgsl;
+                  };
+                  resolve({
+                    convertSpirV2WGSL: convertSpirV2WGSL,
+                  });
+              },
+          });
+      });
+    };
+    let instance;
+    return (wasmPath) => {
+        if (!instance) {
+            instance = initialize(wasmPath);
+        }
+        return instance;
+    };
+});

Dependencies/CMakeLists.txt

@@ -6,14 +6,3 @@ option(TINT_BUILD_SPV_WRITER "Build the SPIR-V output writer" OFF)
 option(TINT_BUILD_WGSL_WRITER "Build the WGSL output writer" ON)
 add_subdirectory(tint EXCLUDE_FROM_ALL)
 
-# Patch compile option
-function(tint_patch_compile_options TARGET)
-  set(COMMON_CLANG_OPTIONS -Wno-unsafe-buffer-usage)
-  target_compile_options(${TARGET} PRIVATE ${COMMON_CLANG_OPTIONS})
-endfunction()
-
-tint_patch_compile_options(tint_diagnostic_utils)
-tint_patch_compile_options(tint_utils_io)
-tint_patch_compile_options(tint_val)
-tint_patch_compile_options(libtint)
-tint_patch_compile_options(tint)