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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef GPU_IPC_SERVICE_GLES2_COMMAND_BUFFER_STUB_H_
#define GPU_IPC_SERVICE_GLES2_COMMAND_BUFFER_STUB_H_
#include "base/containers/circular_deque.h"
#include "base/memory/raw_ptr.h"
#include "build/build_config.h"
#include "gpu/ipc/service/command_buffer_stub.h"
#include "ui/gfx/gpu_fence_handle.h"
namespace gpu {
struct Mailbox;
class GPU_IPC_SERVICE_EXPORT GLES2CommandBufferStub final
: public CommandBufferStub {
public:
GLES2CommandBufferStub(GpuChannel* channel,
const mojom::CreateCommandBufferParams& init_params,
CommandBufferId command_buffer_id,
SequenceId sequence_id,
int32_t stream_id,
int32_t route_id);
GLES2CommandBufferStub(const GLES2CommandBufferStub&) = delete;
GLES2CommandBufferStub& operator=(const GLES2CommandBufferStub&) = delete;
~GLES2CommandBufferStub() override;
// This must leave the GL context associated with the newly-created
// CommandBufferStub current, so the GpuChannel can initialize
// the gpu::Capabilities.
gpu::ContextResult Initialize(
CommandBufferStub* share_group,
const mojom::CreateCommandBufferParams& init_params,
base::UnsafeSharedMemoryRegion shared_state_shm) override;
MemoryTracker* GetContextGroupMemoryTracker() const override;
base::WeakPtr<CommandBufferStub> AsWeakPtr() override;
// DecoderClient implementation.
void OnGpuSwitched(gl::GpuPreference active_gpu_heuristic) override;
private:
// CommandBufferStub overrides:
void OnSetDefaultFramebufferSharedImage(const Mailbox& mailbox,
int samples_count,
bool preserve,
bool needs_depth,
bool needs_stencil) override;
void CreateGpuFenceFromHandle(uint32_t id,
gfx::GpuFenceHandle handle) override;
void GetGpuFenceHandle(uint32_t gpu_fence_id,
GetGpuFenceHandleCallback callback) override;
// The group of contexts that share namespaces with this context.
scoped_refptr<gles2::ContextGroup> context_group_;
// Keep a more specifically typed reference to the decoder to avoid
// unnecessary casts. Owned by parent class.
raw_ptr<gles2::GLES2Decoder> gles2_decoder_;
base::WeakPtrFactory<GLES2CommandBufferStub> weak_ptr_factory_{this};
};
} // namespace gpu
#endif // GPU_IPC_SERVICE_GLES2_COMMAND_BUFFER_STUB_H_
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