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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CONTENT_COMMON_GPU_STREAM_TEXTURE_ANDROID_H_ | |
| 6 #define CONTENT_COMMON_GPU_STREAM_TEXTURE_ANDROID_H_ | |
| 7 | |
| 8 #include <stdint.h> | |
| 9 | |
| 10 #include "base/macros.h" | |
| 11 #include "base/memory/weak_ptr.h" | |
| 12 #include "content/common/gpu/gpu_command_buffer_stub.h" | |
| 13 #include "ipc/ipc_listener.h" | |
| 14 #include "ui/gl/android/surface_texture.h" | |
| 15 #include "ui/gl/gl_image.h" | |
| 16 | |
| 17 namespace ui { | |
| 18 class ScopedMakeCurrent; | |
| 19 } | |
| 20 | |
| 21 namespace gfx { | |
| 22 class Size; | |
| 23 } | |
| 24 | |
| 25 namespace content { | |
| 26 | |
| 27 class StreamTexture : public gl::GLImage, | |
| 28 public IPC::Listener, | |
| 29 public GpuCommandBufferStub::DestructionObserver { | |
| 30 public: | |
| 31 static bool Create(GpuCommandBufferStub* owner_stub, | |
| 32 uint32_t client_texture_id, | |
| 33 int stream_id); | |
| 34 | |
| 35 private: | |
| 36 StreamTexture(GpuCommandBufferStub* owner_stub, | |
| 37 int32_t route_id, | |
| 38 uint32_t texture_id); | |
| 39 ~StreamTexture() override; | |
| 40 | |
| 41 // gl::GLImage implementation: | |
| 42 void Destroy(bool have_context) override; | |
| 43 gfx::Size GetSize() override; | |
| 44 unsigned GetInternalFormat() override; | |
| 45 bool BindTexImage(unsigned target) override; | |
| 46 void ReleaseTexImage(unsigned target) override; | |
| 47 bool CopyTexImage(unsigned target) override; | |
| 48 bool CopyTexSubImage(unsigned target, | |
| 49 const gfx::Point& offset, | |
| 50 const gfx::Rect& rect) override; | |
| 51 bool ScheduleOverlayPlane(gfx::AcceleratedWidget widget, | |
| 52 int z_order, | |
| 53 gfx::OverlayTransform transform, | |
| 54 const gfx::Rect& bounds_rect, | |
| 55 const gfx::RectF& crop_rect) override; | |
| 56 void OnMemoryDump(base::trace_event::ProcessMemoryDump* pmd, | |
| 57 uint64_t process_tracing_id, | |
| 58 const std::string& dump_name) override; | |
| 59 | |
| 60 // GpuCommandBufferStub::DestructionObserver implementation. | |
| 61 void OnWillDestroyStub() override; | |
| 62 | |
| 63 scoped_ptr<ui::ScopedMakeCurrent> MakeStubCurrent(); | |
| 64 | |
| 65 void UpdateTexImage(); | |
| 66 | |
| 67 // Called when a new frame is available for the SurfaceTexture. | |
| 68 void OnFrameAvailable(); | |
| 69 | |
| 70 // IPC::Listener implementation: | |
| 71 bool OnMessageReceived(const IPC::Message& message) override; | |
| 72 | |
| 73 // IPC message handlers: | |
| 74 void OnStartListening(); | |
| 75 void OnEstablishPeer(int32_t primary_id, int32_t secondary_id); | |
| 76 void OnSetSize(const gfx::Size& size) { size_ = size; } | |
| 77 | |
| 78 scoped_refptr<gfx::SurfaceTexture> surface_texture_; | |
| 79 | |
| 80 // Current transform matrix of the surface texture. | |
| 81 float current_matrix_[16]; | |
| 82 | |
| 83 // Current size of the surface texture. | |
| 84 gfx::Size size_; | |
| 85 | |
| 86 // Whether we ever bound a valid frame. | |
| 87 bool has_valid_frame_; | |
| 88 | |
| 89 // Whether a new frame is available that we should update to. | |
| 90 bool has_pending_frame_; | |
| 91 | |
| 92 GpuCommandBufferStub* owner_stub_; | |
| 93 int32_t route_id_; | |
| 94 bool has_listener_; | |
| 95 uint32_t texture_id_; | |
| 96 | |
| 97 unsigned framebuffer_; | |
| 98 unsigned vertex_shader_; | |
| 99 unsigned fragment_shader_; | |
| 100 unsigned program_; | |
| 101 unsigned vertex_buffer_; | |
| 102 int u_xform_location_; | |
| 103 | |
| 104 base::WeakPtrFactory<StreamTexture> weak_factory_; | |
| 105 DISALLOW_COPY_AND_ASSIGN(StreamTexture); | |
| 106 }; | |
| 107 | |
| 108 } // namespace content | |
| 109 | |
| 110 #endif // CONTENT_COMMON_GPU_STREAM_TEXTURE_ANDROID_H_ | |
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