blob: ce8f405a0360a900bab8bb5ed8bce1d93803a55c [file] [log] [blame]
// 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.
#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 {
static bool Create(GpuCommandBufferStub* owner_stub,
uint32 client_texture_id,
int stream_id);
StreamTexture(GpuCommandBufferStub* owner_stub,
int32 route_id,
uint32 texture_id);
virtual ~StreamTexture();
// gfx::GLImage implementation:
virtual void Destroy() OVERRIDE;
virtual gfx::Size GetSize() OVERRIDE;
virtual bool BindTexImage(unsigned target) OVERRIDE;
virtual void ReleaseTexImage(unsigned target) OVERRIDE;
virtual void WillUseTexImage() OVERRIDE;
virtual void DidUseTexImage() OVERRIDE {}
virtual void WillModifyTexImage() OVERRIDE {}
virtual void DidModifyTexImage() OVERRIDE {}
// GpuCommandBufferStub::DestructionObserver implementation.
virtual void OnWillDestroyStub() OVERRIDE;
// Called when a new frame is available for the SurfaceTexture.
void OnFrameAvailable();
// IPC::Listener implementation:
virtual 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_;
base::WeakPtrFactory<StreamTexture> weak_factory_;
} // namespace content