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//
// Copyright 2002 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.h: Defines the gl::FenceNV and gl::Sync classes, which support the GL_NV_fence
// extension and GLES3 sync objects.
#ifndef LIBANGLE_FENCE_H_
#define LIBANGLE_FENCE_H_
#include "libANGLE/Debug.h"
#include "libANGLE/Error.h"
#include "libANGLE/RefCountObject.h"
#include "common/angleutils.h"
namespace rx
{
class GLImplFactory;
class FenceNVImpl;
class SyncImpl;
} // namespace rx
namespace gl
{
class FenceNV final : angle::NonCopyable
{
public:
explicit FenceNV(rx::GLImplFactory *factory);
virtual ~FenceNV();
void onDestroy(const gl::Context *context);
angle::Result set(const Context *context, GLenum condition);
angle::Result test(const Context *context, GLboolean *outResult);
angle::Result finish(const Context *context);
bool isSet() const { return mIsSet; }
GLboolean getStatus() const { return mStatus; }
GLenum getCondition() const { return mCondition; }
private:
rx::FenceNVImpl *mFence;
bool mIsSet;
GLboolean mStatus;
GLenum mCondition;
};
class Sync final : public RefCountObject<GLuint>, public LabeledObject
{
public:
Sync(rx::GLImplFactory *factory, GLuint id);
~Sync() override;
void onDestroy(const Context *context) override;
angle::Result setLabel(const Context *context, const std::string &label) override;
const std::string &getLabel() const override;
angle::Result set(const Context *context, GLenum condition, GLbitfield flags);
angle::Result clientWait(const Context *context,
GLbitfield flags,
GLuint64 timeout,
GLenum *outResult);
angle::Result serverWait(const Context *context, GLbitfield flags, GLuint64 timeout);
angle::Result getStatus(const Context *context, GLint *outResult) const;
GLenum getCondition() const { return mCondition; }
GLbitfield getFlags() const { return mFlags; }
rx::SyncImpl *getImplementation() const { return mFence; }
private:
rx::SyncImpl *mFence;
std::string mLabel;
GLenum mCondition;
GLbitfield mFlags;
};
} // namespace gl
#endif // LIBANGLE_FENCE_H_
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