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_SERVICE_GPU_STATE_TRACER_H_ 6 #define GPU_COMMAND_BUFFER_SERVICE_GPU_STATE_TRACER_H_ 7 8 #include "base/basictypes.h" 9 #include "base/memory/scoped_ptr.h" 10 11 namespace gfx { 12 class Size; 13 } 14 15 namespace gpu { 16 namespace gles2 { 17 18 struct ContextState; 19 20 // Saves GPU state such as framebuffer contents while tracing. 21 class GPUStateTracer { 22 public: 23 static scoped_ptr<GPUStateTracer> Create(const ContextState* state); 24 ~GPUStateTracer(); 25 26 // Take a state snapshot with a screenshot of the currently bound framebuffer. 27 void TakeSnapshotWithCurrentFramebuffer(const gfx::Size& size); 28 29 private: 30 explicit GPUStateTracer(const ContextState* state); 31 32 const ContextState* state_; 33 DISALLOW_COPY_AND_ASSIGN(GPUStateTracer); 34 }; 35 36 } // namespace gles2 37 } // namespace gpu 38 39 #endif // GPU_COMMAND_BUFFER_SERVICE_GPU_STATE_TRACER_H_ 40