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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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