1// Copyright 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 GPU_COMMAND_BUFFER_COMMON_GPU_CONTROL_H_ 6#define GPU_COMMAND_BUFFER_COMMON_GPU_CONTROL_H_ 7 8#include <vector> 9 10#include "base/callback.h" 11#include "gpu/command_buffer/common/capabilities.h" 12#include "gpu/command_buffer/common/mailbox.h" 13#include "gpu/command_buffer/common/types.h" 14#include "gpu/gpu_export.h" 15 16namespace gfx { 17class GpuMemoryBuffer; 18} 19 20namespace gpu { 21struct ManagedMemoryStats; 22 23// Common interface for GpuControl implementations. 24class GPU_EXPORT GpuControl { 25 public: 26 GpuControl() {} 27 virtual ~GpuControl() {} 28 29 virtual Capabilities GetCapabilities() = 0; 30 31 // Create a gpu memory buffer of the given dimensions and format. Returns 32 // its ID or -1 on error. 33 virtual gfx::GpuMemoryBuffer* CreateGpuMemoryBuffer( 34 size_t width, 35 size_t height, 36 unsigned internalformat, 37 int32* id) = 0; 38 39 // Destroy a gpu memory buffer. The ID must be positive. 40 virtual void DestroyGpuMemoryBuffer(int32 id) = 0; 41 42 // Generates n unique mailbox names that can be used with 43 // GL_texture_mailbox_CHROMIUM. 44 virtual bool GenerateMailboxNames(unsigned num, 45 std::vector<gpu::Mailbox>* names) = 0; 46 47 // Inserts a sync point, returning its ID. Sync point IDs are global and can 48 // be used for cross-context synchronization. 49 virtual uint32 InsertSyncPoint() = 0; 50 51 // Runs |callback| when a sync point is reached. 52 virtual void SignalSyncPoint(uint32 sync_point, 53 const base::Closure& callback) = 0; 54 55 // Runs |callback| when a query created via glCreateQueryEXT() has cleared 56 // passed the glEndQueryEXT() point. 57 virtual void SignalQuery(uint32 query, const base::Closure& callback) = 0; 58 59 virtual void SetSurfaceVisible(bool visible) = 0; 60 61 virtual void SendManagedMemoryStats(const ManagedMemoryStats& stats) = 0; 62 63 // Invokes the callback once the context has been flushed. 64 virtual void Echo(const base::Closure& callback) = 0; 65 66 private: 67 DISALLOW_COPY_AND_ASSIGN(GpuControl); 68}; 69 70} // namespace gpu 71 72#endif // GPU_COMMAND_BUFFER_COMMON_GPU_CONTROL_H_ 73