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// Copyright (c) 2013 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 CONTENT_COMMON_GPU_STREAM_TEXTURE_ANDROID_H_
#define CONTENT_COMMON_GPU_STREAM_TEXTURE_ANDROID_H_
#include "base/basictypes.h"
#include "base/memory/weak_ptr.h"
#include "content/common/gpu/gpu_command_buffer_stub.h"
#include "ipc/ipc_listener.h"
#include "ui/gl/android/surface_texture.h"
#include "ui/gl/gl_image.h"
namespace gfx {
class Size;
}
namespace content {
class StreamTexture : public gfx::GLImage,
public IPC::Listener,
public GpuCommandBufferStub::DestructionObserver {
public:
static bool Create(GpuCommandBufferStub* owner_stub,
uint32 client_texture_id,
int stream_id);
private:
StreamTexture(GpuCommandBufferStub* owner_stub,
int32 route_id,
uint32 texture_id);
~StreamTexture() override;
// gfx::GLImage implementation:
void Destroy(bool have_context) override;
gfx::Size GetSize() override;
unsigned GetInternalFormat() override;
bool BindTexImage(unsigned target) override;
void ReleaseTexImage(unsigned target) override;
bool CopyTexImage(unsigned target) override;
bool CopyTexSubImage(unsigned target,
const gfx::Point& offset,
const gfx::Rect& rect) override;
bool ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
int z_order,
gfx::OverlayTransform transform,
const gfx::Rect& bounds_rect,
const gfx::RectF& crop_rect) override;
void OnMemoryDump(base::trace_event::ProcessMemoryDump* pmd,
uint64_t process_tracing_id,
const std::string& dump_name) override;
// GpuCommandBufferStub::DestructionObserver implementation.
void OnWillDestroyStub() override;
// Called when a new frame is available for the SurfaceTexture.
void OnFrameAvailable();
// IPC::Listener implementation:
bool OnMessageReceived(const IPC::Message& message) override;
// IPC message handlers:
void OnStartListening();
void OnEstablishPeer(int32 primary_id, int32 secondary_id);
void OnSetSize(const gfx::Size& size) { size_ = size; }
scoped_refptr<gfx::SurfaceTexture> surface_texture_;
// Current transform matrix of the surface texture.
float current_matrix_[16];
// Current size of the surface texture.
gfx::Size size_;
// Whether we ever bound a valid frame.
bool has_valid_frame_;
// Whether a new frame is available that we should update to.
bool has_pending_frame_;
GpuCommandBufferStub* owner_stub_;
int32 route_id_;
bool has_listener_;
uint32 texture_id_;
base::WeakPtrFactory<StreamTexture> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(StreamTexture);
};
} // namespace content
#endif // CONTENT_COMMON_GPU_STREAM_TEXTURE_ANDROID_H_
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