gpu/command_buffer/service/framebuffer_completeness_cache.h

   1 // Copyright 2015 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_FRAMEBUFFER_COMPLETENESS_CACHE_H_
   6 #define GPU_COMMAND_BUFFER_SERVICE_FRAMEBUFFER_COMPLETENESS_CACHE_H_
   7
   8 #include "base/containers/hash_tables.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "gpu/gpu_export.h"
  11
  12 namespace gpu {
  13 namespace gles2 {
  14
  15 // Refcounted wrapper for a hash_set of framebuffer format signatures
  16 // representing framebuffer configurations that are reported by the GL
  17 // driver as complete according to glCheckFramebufferStatusEXT.
  18 class GPU_EXPORT FramebufferCompletenessCache
  19     : public base::RefCounted<FramebufferCompletenessCache> {
  20  public:
  21   FramebufferCompletenessCache();
  22
  23   bool IsComplete(const std::string& signature) const;
  24   void SetComplete(const std::string& signature);
  25
  26  protected:
  27   virtual ~FramebufferCompletenessCache();
  28
  29  private:
  30   friend class base::RefCounted<FramebufferCompletenessCache>;
  31
  32   typedef base::hash_set<std::string> Map;
  33
  34   Map cache_;
  35
  36   DISALLOW_COPY_AND_ASSIGN(FramebufferCompletenessCache);
  37 };
  38
  39 }  // namespace gles2
  40 }  // namespace gpu
  41
  42 #endif  // GPU_COMMAND_BUFFER_SERVICE_FRAMEBUFFER_COMPLETENESS_CACHE_H_