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//
// Copyright 2015 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.
//
// FenceSyncGL.cpp: Implements the class methods for FenceSyncGL.
#include "libANGLE/renderer/gl/FenceSyncGL.h"
#include "common/debug.h"
#include "libANGLE/renderer/gl/FunctionsGL.h"
namespace rx
{
FenceSyncGL::FenceSyncGL(const FunctionsGL *functions)
: FenceSyncImpl(),
mFunctions(functions),
mSyncObject(0)
{
ASSERT(mFunctions);
}
FenceSyncGL::~FenceSyncGL()
{
if (mSyncObject != 0)
{
mFunctions->deleteSync(mSyncObject);
}
}
gl::Error FenceSyncGL::set(GLenum condition, GLbitfield flags)
{
ASSERT(condition == GL_SYNC_GPU_COMMANDS_COMPLETE && flags == 0);
mSyncObject = mFunctions->fenceSync(condition, flags);
if (mSyncObject == 0)
{
// if glFenceSync fails, it returns 0.
return gl::Error(GL_OUT_OF_MEMORY, "glFenceSync failed to create a GLsync object.");
}
return gl::Error(GL_NO_ERROR);
}
gl::Error FenceSyncGL::clientWait(GLbitfield flags, GLuint64 timeout, GLenum *outResult)
{
ASSERT(mSyncObject != 0);
*outResult = mFunctions->clientWaitSync(mSyncObject, flags, timeout);
return gl::Error(GL_NO_ERROR);
}
gl::Error FenceSyncGL::serverWait(GLbitfield flags, GLuint64 timeout)
{
ASSERT(mSyncObject != 0);
mFunctions->waitSync(mSyncObject, flags, timeout);
return gl::Error(GL_NO_ERROR);
}
gl::Error FenceSyncGL::getStatus(GLint *outResult)
{
ASSERT(mSyncObject != 0);
mFunctions->getSynciv(mSyncObject, GL_SYNC_STATUS, 1, nullptr, outResult);
return gl::Error(GL_NO_ERROR);
}
}
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