Add read-only and read-write storage texture accesses (#21033)

Author: beaufortfrancois

src/library_webgpu.js

@@ -491,6 +491,8 @@ var LibraryWebGPU = {
     StorageTextureAccess: [
       undefined,
       'write-only',
+      'read-only',
+      'read-write',
     ],
     StoreOp: [
       undefined,

system/include/webgpu/README.md

@@ -19,9 +19,9 @@ Dawn additionally autogenerates two "snippets" that are used in Emscripten:
 Once that's done, you need to update the auto-generated files with the commands below:
 
 ```
-./tools/gen_struct_info.py
-./tools/gen_struct_info.py --wasm64
-./tools/gen_sig_info.py
+./tools/maint/gen_struct_info.py
+./tools/maint/gen_struct_info.py --wasm64
+./tools/maint/gen_sig_info.py
 ```
 
 ## Testing

system/include/webgpu/webgpu.h

@@ -451,6 +451,8 @@ typedef enum WGPUStencilOperation {
 typedef enum WGPUStorageTextureAccess {
     WGPUStorageTextureAccess_Undefined = 0x00000000,
     WGPUStorageTextureAccess_WriteOnly = 0x00000001,
+    WGPUStorageTextureAccess_ReadOnly = 0x00000002,
+    WGPUStorageTextureAccess_ReadWrite = 0x00000003,
     WGPUStorageTextureAccess_Force32 = 0x7FFFFFFF
 } WGPUStorageTextureAccess WGPU_ENUM_ATTRIBUTE;
 

system/include/webgpu/webgpu_cpp.h

@@ -394,6 +394,8 @@ namespace wgpu {
     enum class StorageTextureAccess : uint32_t {
         Undefined = 0x00000000,
         WriteOnly = 0x00000001,
+        ReadOnly = 0x00000002,
+        ReadWrite = 0x00000003,
     };
 
     enum class StoreOp : uint32_t {

system/lib/webgpu/webgpu_cpp.cpp

@@ -358,6 +358,8 @@ namespace wgpu {
 
     static_assert(static_cast<uint32_t>(StorageTextureAccess::Undefined) == WGPUStorageTextureAccess_Undefined, "value mismatch for StorageTextureAccess::Undefined");
     static_assert(static_cast<uint32_t>(StorageTextureAccess::WriteOnly) == WGPUStorageTextureAccess_WriteOnly, "value mismatch for StorageTextureAccess::WriteOnly");
+    static_assert(static_cast<uint32_t>(StorageTextureAccess::ReadOnly) == WGPUStorageTextureAccess_ReadOnly, "value mismatch for StorageTextureAccess::ReadOnly");
+    static_assert(static_cast<uint32_t>(StorageTextureAccess::ReadWrite) == WGPUStorageTextureAccess_ReadWrite, "value mismatch for StorageTextureAccess::ReadWrite");
 
     // StoreOp