kc3-lang/angle/src/libANGLE/renderer/wgpu/ShaderWgpu.cpp

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• Hash : 67fc293a
  Author :
  Date : 2024-04-05T13:25:12
  

  WebGPU: Add shader translation and program linking stubs.
  
  Add a TranslatorWGSL which outputs the same translated shaders every
  time.
  
  Implement the compile and link tasks.
  
  Bug: angleproject:8662
  Change-Id: I62bbd6c528e1d671d0f4becc38f15f1eceb0336c
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5428807
  Commit-Queue: Geoff Lang <geofflang@chromium.org>
  Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
  Reviewed-by: Matthew Denton <mpdenton@chromium.org>
  

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• src/libANGLE/renderer/wgpu/ShaderWgpu.cpp

• //
  // Copyright 2024 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  // ShaderWgpu.cpp:
  //    Implements the class methods for ShaderWgpu.
  //
  
  #include "libANGLE/renderer/wgpu/ShaderWgpu.h"
  
  #include "common/debug.h"
  #include "libANGLE/Context.h"
  #include "libANGLE/renderer/ContextImpl.h"
  #include "libANGLE/trace.h"
  
  namespace rx
  {
  
  namespace
  {
  class ShaderTranslateTaskWgpu final : public ShaderTranslateTask
  {
      bool translate(ShHandle compiler,
                     const ShCompileOptions &options,
                     const std::string &source) override
      {
          ANGLE_TRACE_EVENT1("gpu.angle", "ShaderTranslateTaskWgpu::translate", "source", source);
  
          const char *srcStrings[] = {source.c_str()};
          return sh::Compile(compiler, srcStrings, ArraySize(srcStrings), options);
      }
  
      void postTranslate(ShHandle compiler, const gl::CompiledShaderState &compiledState) override {}
  };
  }  // namespace
  
  ShaderWgpu::ShaderWgpu(const gl::ShaderState &data) : ShaderImpl(data) {}
  
  ShaderWgpu::~ShaderWgpu() {}
  
  std::shared_ptr<ShaderTranslateTask> ShaderWgpu::compile(const gl::Context *context,
                                                           ShCompileOptions *options)
  {
      const gl::Extensions &extensions = context->getImplementation()->getExtensions();
      if (extensions.shaderPixelLocalStorageANGLE)
      {
          options->pls = context->getImplementation()->getNativePixelLocalStorageOptions();
      }
  
      options->validateAST = true;
  
      return std::shared_ptr<ShaderTranslateTask>(new ShaderTranslateTaskWgpu);
  }
  
  std::string ShaderWgpu::getDebugInfo() const
  {
      return "";
  }
  
  }  // namespace rx
  

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