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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_WEBGL_WEBGL_SYNC_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_WEBGL_WEBGL_SYNC_H_
#include "base/single_thread_task_runner.h"
#include "third_party/blink/renderer/modules/webgl/webgl_shared_object.h"
#include "third_party/blink/renderer/platform/scheduler/public/post_cancellable_task.h"
namespace gpu {
namespace gles2 {
class GLES2Interface;
}
} // namespace gpu
namespace blink {
class WebGL2RenderingContextBase;
class WebGLSync : public WebGLSharedObject {
DEFINE_WRAPPERTYPEINFO();
public:
~WebGLSync() override;
GLuint Object() const { return object_; }
void UpdateCache(gpu::gles2::GLES2Interface*);
GLint GetCachedResult(GLenum pname);
bool IsSignaled() const;
protected:
WebGLSync(WebGL2RenderingContextBase*, GLuint, GLenum object_type);
bool HasObject() const override { return object_ != 0; }
void DeleteObjectImpl(gpu::gles2::GLES2Interface*) override;
GLenum ObjectType() const { return object_type_; }
private:
bool IsSync() const override { return true; }
void ScheduleAllowCacheUpdate();
void AllowCacheUpdate();
bool allow_cache_update_ = false;
// Initialized in cpp file to avoid including gl3.h in this header.
GLint sync_status_;
GLuint object_;
GLenum object_type_;
scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
TaskHandle task_handle_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_WEBGL_WEBGL_SYNC_H_
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