cc/raster/scoped_gpu_raster.h

   1 // Copyright 2014 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 CC_RASTER_SCOPED_GPU_RASTER_H_
   6 #define CC_RASTER_SCOPED_GPU_RASTER_H_
   7
   8 #include "base/logging.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "cc/base/cc_export.h"
  11 #include "cc/output/context_provider.h"
  12
  13 namespace cc {
  14
  15 // The following class is needed to modify GL resources using GPU
  16 // raster. The user must ensure that they only use GPU raster on
  17 // GL resources while an instance of this class is alive.
  18 class CC_EXPORT ScopedGpuRaster {
  19  public:
  20   explicit ScopedGpuRaster(ContextProvider* context_provider);
  21   ~ScopedGpuRaster();
  22
  23  private:
  24   void BeginGpuRaster();
  25   void EndGpuRaster();
  26
  27   ContextProvider* context_provider_;
  28
  29   DISALLOW_COPY_AND_ASSIGN(ScopedGpuRaster);
  30 };
  31
  32 }  // namespace cc
  33
  34 #endif  // CC_RASTER_SCOPED_GPU_RASTER_H_