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//
// 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
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