Re-subimission of https://codereview.chromium.org/1041213003/
[chromium-blink-merge.git] / content / renderer / pepper / ppb_graphics_3d_impl.h
blob729971275ac815c33bd4cb42060db0ba5abf2352
1 // Copyright (c) 2012 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.
5 #ifndef CONTENT_RENDERER_PEPPER_PPB_GRAPHICS_3D_IMPL_H_
6 #define CONTENT_RENDERER_PEPPER_PPB_GRAPHICS_3D_IMPL_H_
8 #include "base/memory/shared_memory.h"
9 #include "base/memory/weak_ptr.h"
10 #include "gpu/command_buffer/common/mailbox.h"
11 #include "ppapi/shared_impl/ppb_graphics_3d_shared.h"
12 #include "ppapi/shared_impl/resource.h"
14 namespace gpu {
15 struct Capabilities;
18 namespace content {
19 class CommandBufferProxyImpl;
20 class GpuChannelHost;
22 class PPB_Graphics3D_Impl : public ppapi::PPB_Graphics3D_Shared {
23 public:
24 static PP_Resource Create(PP_Instance instance,
25 PP_Resource share_context,
26 const int32_t* attrib_list);
27 static PP_Resource CreateRaw(
28 PP_Instance instance,
29 PP_Resource share_context,
30 const int32_t* attrib_list,
31 gpu::Capabilities* capabilities,
32 base::SharedMemoryHandle* shared_state_handle);
34 // PPB_Graphics3D_API trusted implementation.
35 PP_Bool SetGetBuffer(int32_t transfer_buffer_id) override;
36 scoped_refptr<gpu::Buffer> CreateTransferBuffer(uint32_t size,
37 int32* id) override;
38 PP_Bool DestroyTransferBuffer(int32_t id) override;
39 PP_Bool Flush(int32_t put_offset) override;
40 gpu::CommandBuffer::State WaitForTokenInRange(int32_t start,
41 int32_t end) override;
42 gpu::CommandBuffer::State WaitForGetOffsetInRange(int32_t start,
43 int32_t end) override;
44 uint32_t InsertSyncPoint() override;
45 uint32_t InsertFutureSyncPoint() override;
46 void RetireSyncPoint(uint32_t) override;
48 // Binds/unbinds the graphics of this context with the associated instance.
49 // Returns true if binding/unbinding is successful.
50 bool BindToInstance(bool bind);
52 // Returns true if the backing texture is always opaque.
53 bool IsOpaque();
55 // Notifications about the view's progress painting. See PluginInstance.
56 // These messages are used to send Flush callbacks to the plugin.
57 void ViewInitiatedPaint();
59 void GetBackingMailbox(gpu::Mailbox* mailbox, uint32* sync_point) {
60 *mailbox = mailbox_;
61 *sync_point = sync_point_;
64 int GetCommandBufferRouteId();
66 GpuChannelHost* channel() { return channel_.get(); }
68 protected:
69 ~PPB_Graphics3D_Impl() override;
70 // ppapi::PPB_Graphics3D_Shared overrides.
71 gpu::CommandBuffer* GetCommandBuffer() override;
72 gpu::GpuControl* GetGpuControl() override;
73 int32 DoSwapBuffers() override;
75 private:
76 explicit PPB_Graphics3D_Impl(PP_Instance instance);
78 bool Init(PPB_Graphics3D_API* share_context, const int32_t* attrib_list);
79 bool InitRaw(PPB_Graphics3D_API* share_context,
80 const int32_t* attrib_list,
81 gpu::Capabilities* capabilities,
82 base::SharedMemoryHandle* shared_state_handle);
84 // Notifications received from the GPU process.
85 void OnSwapBuffers();
86 void OnContextLost();
87 void OnConsoleMessage(const std::string& msg, int id);
88 // Notifications sent to plugin.
89 void SendContextLost();
91 // True if context is bound to instance.
92 bool bound_to_instance_;
93 // True when waiting for compositor to commit our backing texture.
94 bool commit_pending_;
96 gpu::Mailbox mailbox_;
97 uint32 sync_point_;
98 bool has_alpha_;
99 scoped_refptr<GpuChannelHost> channel_;
100 CommandBufferProxyImpl* command_buffer_;
102 base::WeakPtrFactory<PPB_Graphics3D_Impl> weak_ptr_factory_;
104 DISALLOW_COPY_AND_ASSIGN(PPB_Graphics3D_Impl);
107 } // namespace content
109 #endif // CONTENT_RENDERER_PEPPER_PPB_GRAPHICS_3D_IMPL_H_