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//
// Copyright (c) 2002-2013 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.
//
// Fence.cpp: Implements the gl::FenceNV and gl::Sync classes, which support the GL_NV_fence
// extension and GLES3 sync objects.
#include "libANGLE/Fence.h"
#include "angle_gl.h"
#include "common/utilities.h"
#include "libANGLE/renderer/FenceNVImpl.h"
#include "libANGLE/renderer/SyncImpl.h"
namespace gl
{
FenceNV::FenceNV(rx::FenceNVImpl *impl)
: mFence(impl),
mIsSet(false),
mStatus(GL_FALSE),
mCondition(GL_NONE)
{
}
FenceNV::~FenceNV()
{
SafeDelete(mFence);
}
Error FenceNV::set(GLenum condition)
{
Error error = mFence->set(condition);
if (error.isError())
{
return error;
}
mCondition = condition;
mStatus = GL_FALSE;
mIsSet = true;
return NoError();
}
Error FenceNV::test(GLboolean *outResult)
{
// Flush the command buffer by default
Error error = mFence->test(&mStatus);
if (error.isError())
{
return error;
}
*outResult = mStatus;
return NoError();
}
Error FenceNV::finish()
{
ASSERT(mIsSet);
gl::Error error = mFence->finish();
if (error.isError())
{
return error;
}
mStatus = GL_TRUE;
return NoError();
}
Sync::Sync(rx::SyncImpl *impl, GLuint id)
: RefCountObject(id),
mFence(impl),
mLabel(),
mCondition(GL_SYNC_GPU_COMMANDS_COMPLETE),
mFlags(0)
{
}
Error Sync::onDestroy(const Context *context)
{
return NoError();
}
Sync::~Sync()
{
SafeDelete(mFence);
}
void Sync::setLabel(const std::string &label)
{
mLabel = label;
}
const std::string &Sync::getLabel() const
{
return mLabel;
}
Error Sync::set(GLenum condition, GLbitfield flags)
{
Error error = mFence->set(condition, flags);
if (error.isError())
{
return error;
}
mCondition = condition;
mFlags = flags;
return NoError();
}
Error Sync::clientWait(GLbitfield flags, GLuint64 timeout, GLenum *outResult)
{
ASSERT(mCondition != GL_NONE);
return mFence->clientWait(flags, timeout, outResult);
}
Error Sync::serverWait(GLbitfield flags, GLuint64 timeout)
{
return mFence->serverWait(flags, timeout);
}
Error Sync::getStatus(GLint *outResult) const
{
return mFence->getStatus(outResult);
}
} // namespace gl
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