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// Copyright 2016 The SwiftShader Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Fence.h: Defines the Fence class, which supports the GL_NV_fence extension.
#ifndef LIBGLESV2_FENCE_H_
#define LIBGLESV2_FENCE_H_
#include "common/Object.hpp"
#include <GLES2/gl2.h>
namespace es2
{
class Fence
{
public:
Fence();
virtual ~Fence();
GLboolean isFence();
void setFence(GLenum condition);
GLboolean testFence();
void finishFence();
void getFenceiv(GLenum pname, GLint *params);
private:
bool mQuery;
GLenum mCondition;
GLboolean mStatus;
};
class FenceSync : public gl::NamedObject
{
public:
FenceSync(GLuint name, GLenum condition, GLbitfield flags);
virtual ~FenceSync();
GLenum clientWait(GLbitfield flags, GLuint64 timeout);
void serverWait(GLbitfield flags, GLuint64 timeout);
void getSynciv(GLenum pname, GLsizei *length, GLint *values);
GLenum getCondition() const { return mCondition; }
GLbitfield getFlags() const { return mFlags; }
private:
GLenum mCondition;
GLbitfield mFlags;
};
}
#endif // LIBGLESV2_FENCE_H_