kc3-lang/angle/src/libANGLE/renderer/ShaderImpl.cpp

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  Commit

• Author : jchen10
  Date : 2019-02-15 21:06:42
  Hash : 7d53c60b
  Message : ParallelCompile: use the native extensions This enhances to use the native parallel compile extensions if available. Bug: 873724 Change-Id: I0aaed314accd75e1bfa596b322225b56d729d3a6 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1475234 Commit-Queue: Jie A Chen <jie.a.chen@intel.com> Reviewed-by: Jamie Madill <jmadill@chromium.org>

• src/libANGLE/renderer/ShaderImpl.cpp

• //
  // Copyright 2019 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.
  //
  
  // ShaderImpl.cpp: Implementation methods of ShaderImpl
  
  #include "libANGLE/renderer/ShaderImpl.h"
  
  #include "libANGLE/Context.h"
  
  namespace rx
  {
  
  WaitableCompileEvent::WaitableCompileEvent(std::shared_ptr<angle::WaitableEvent> waitableEvent)
      : mWaitableEvent(waitableEvent)
  {}
  
  WaitableCompileEvent::~WaitableCompileEvent()
  {
      mWaitableEvent.reset();
  }
  
  void WaitableCompileEvent::wait()
  {
      mWaitableEvent->wait();
  }
  
  bool WaitableCompileEvent::isReady()
  {
      return mWaitableEvent->isReady();
  }
  
  const std::string &WaitableCompileEvent::getInfoLog()
  {
      return mInfoLog;
  }
  
  class TranslateTask : public angle::Closure
  {
    public:
      TranslateTask(ShHandle handle, ShCompileOptions options, const std::string &source)
          : mHandle(handle), mOptions(options), mSource(source), mResult(false)
      {}
  
      void operator()() override
      {
          const char *source = mSource.c_str();
          mResult            = sh::Compile(mHandle, &source, 1, mOptions);
      }
  
      bool getResult() { return mResult; }
  
      ShHandle getHandle() { return mHandle; }
  
    private:
      ShHandle mHandle;
      ShCompileOptions mOptions;
      std::string mSource;
      bool mResult;
  };
  
  class WaitableCompileEventImpl final : public WaitableCompileEvent
  {
    public:
      WaitableCompileEventImpl(std::shared_ptr<angle::WaitableEvent> waitableEvent,
                               std::shared_ptr<TranslateTask> translateTask)
          : WaitableCompileEvent(waitableEvent), mTranslateTask(translateTask)
      {}
  
      bool getResult() override { return mTranslateTask->getResult(); }
  
      bool postTranslate(std::string *infoLog) override { return true; }
  
    private:
      std::shared_ptr<TranslateTask> mTranslateTask;
  };
  
  std::shared_ptr<WaitableCompileEvent> ShaderImpl::compileImpl(
      const gl::Context *context,
      gl::ShCompilerInstance *compilerInstance,
      const std::string &source,
      ShCompileOptions compileOptions)
  {
      auto workerThreadPool = context->getWorkerThreadPool();
      auto translateTask =
          std::make_shared<TranslateTask>(compilerInstance->getHandle(), compileOptions, source);
  
      return std::make_shared<WaitableCompileEventImpl>(
          angle::WorkerThreadPool::PostWorkerTask(workerThreadPool, translateTask), translateTask);
  }
  
  }  // namespace rx