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// Copyright 2018 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 MEDIA_GPU_FAKE_COMMAND_BUFFER_HELPER_H_
#define MEDIA_GPU_FAKE_COMMAND_BUFFER_HELPER_H_
#include <map>
#include <set>
#include "base/macros.h"
#include "base/memory/scoped_refptr.h"
#include "base/single_thread_task_runner.h"
#include "media/gpu/command_buffer_helper.h"
namespace media {
class FakeCommandBufferHelper : public CommandBufferHelper {
public:
explicit FakeCommandBufferHelper(
scoped_refptr<base::SingleThreadTaskRunner> task_runner);
// Signal stub destruction. All textures will be deleted. Listeners will
// be notified that we have a current context unless one calls ContextLost
// before this.
void StubLost();
// Signal context loss. MakeContextCurrent() fails after this.
void ContextLost();
// Signal that the context is no longer current.
void CurrentContextLost();
// Complete a pending SyncToken wait.
void ReleaseSyncToken(gpu::SyncToken sync_token);
// Test whether a texture exists (has not been destroyed).
bool HasTexture(GLuint service_id);
// CommandBufferHelper implementation.
gl::GLContext* GetGLContext() override;
bool MakeContextCurrent() override;
bool IsContextCurrent() const override;
GLuint CreateTexture(GLenum target,
GLenum internal_format,
GLsizei width,
GLsizei height,
GLenum format,
GLenum type) override;
void DestroyTexture(GLuint service_id) override;
void SetCleared(GLuint service_id) override;
bool BindImage(GLuint service_id,
gl::GLImage* image,
bool client_managed) override;
gpu::Mailbox CreateMailbox(GLuint service_id) override;
void ProduceTexture(const gpu::Mailbox& mailbox, GLuint service_id) override;
void WaitForSyncToken(gpu::SyncToken sync_token,
base::OnceClosure done_cb) override;
void SetWillDestroyStubCB(WillDestroyStubCB will_destroy_stub_cb) override;
private:
~FakeCommandBufferHelper() override;
scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
bool has_stub_ = true;
bool is_context_lost_ = false;
bool is_context_current_ = false;
GLuint next_service_id_ = 1;
std::set<GLuint> service_ids_;
std::map<gpu::SyncToken, base::OnceClosure> waits_;
WillDestroyStubCB will_destroy_stub_cb_;
DISALLOW_COPY_AND_ASSIGN(FakeCommandBufferHelper);
};
} // namespace media
#endif // MEDIA_GPU_FAKE_COMMAND_BUFFER_HELPER_H_