| // Copyright 2014 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. |
| |
| #ifndef GPU_COMMAND_BUFFER_CLIENT_GPU_CONTROL_H_ |
| #define GPU_COMMAND_BUFFER_CLIENT_GPU_CONTROL_H_ |
| |
| #include <stdint.h> |
| |
| #include <vector> |
| |
| #include "base/callback.h" |
| #include "base/macros.h" |
| #include "gpu/command_buffer/common/capabilities.h" |
| #include "gpu/command_buffer/common/mailbox.h" |
| #include "gpu/gpu_export.h" |
| |
| extern "C" typedef struct _ClientBuffer* ClientBuffer; |
| |
| namespace base { |
| class Lock; |
| } |
| |
| namespace gfx { |
| class GpuMemoryBuffer; |
| } |
| |
| namespace gpu { |
| |
| // Common interface for GpuControl implementations. |
| class GPU_EXPORT GpuControl { |
| public: |
| GpuControl() {} |
| virtual ~GpuControl() {} |
| |
| virtual Capabilities GetCapabilities() = 0; |
| |
| // Create an image for a client buffer with the given dimensions and |
| // format. Returns its ID or -1 on error. |
| virtual int32_t CreateImage(ClientBuffer buffer, |
| size_t width, |
| size_t height, |
| unsigned internalformat) = 0; |
| |
| // Destroy an image. The ID must be positive. |
| virtual void DestroyImage(int32_t id) = 0; |
| |
| // Create a gpu memory buffer backed image with the given dimensions and |
| // format for |usage|. Returns its ID or -1 on error. |
| virtual int32_t CreateGpuMemoryBufferImage(size_t width, |
| size_t height, |
| unsigned internalformat, |
| unsigned usage) = 0; |
| |
| // Inserts a sync point, returning its ID. Sync point IDs are global and can |
| // be used for cross-context synchronization. |
| virtual uint32_t InsertSyncPoint() = 0; |
| |
| // Inserts a future sync point, returning its ID. Sync point IDs are global |
| // and can be used for cross-context synchronization. The sync point won't be |
| // retired immediately. |
| virtual uint32_t InsertFutureSyncPoint() = 0; |
| |
| // Retires a future sync point. This will signal contexts that are waiting |
| // on it to start executing. |
| virtual void RetireSyncPoint(uint32_t sync_point) = 0; |
| |
| // Runs |callback| when a sync point is reached. |
| virtual void SignalSyncPoint(uint32_t sync_point, |
| const base::Closure& callback) = 0; |
| |
| // Runs |callback| when a query created via glCreateQueryEXT() has cleared |
| // passed the glEndQueryEXT() point. |
| virtual void SignalQuery(uint32_t query, const base::Closure& callback) = 0; |
| |
| virtual void SetSurfaceVisible(bool visible) = 0; |
| |
| // Attaches an external stream to the texture given by |texture_id| and |
| // returns a stream identifier. |
| virtual uint32_t CreateStreamTexture(uint32_t texture_id) = 0; |
| |
| // Sets a lock this will be held on every callback from the GPU |
| // implementation. This lock must be set and must be held on every call into |
| // the GPU implementation if it is to be used from multiple threads. This |
| // may not be supported with all implementations. |
| virtual void SetLock(base::Lock*) = 0; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(GpuControl); |
| }; |
| |
| } // namespace gpu |
| |
| #endif // GPU_COMMAND_BUFFER_CLIENT_GPU_CONTROL_H_ |