ui/gl/angle_platform_impl.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 UI_GL_ANGLE_PLATFORM_IMPL_H_
   6 #define UI_GL_ANGLE_PLATFORM_IMPL_H_
   7
   8 // Implements the ANGLE platform interface, for functionality like
   9 // histograms and trace profiling.
  10
  11 #include "base/macros.h"
  12 #include "third_party/angle/include/platform/Platform.h"
  13
  14 namespace gfx {
  15
  16 // Derives the base ANGLE platform and provides implementations
  17 class ANGLEPlatformImpl : public angle::Platform {
  18  public:
  19   ANGLEPlatformImpl();
  20   ~ANGLEPlatformImpl() override;
  21
  22   // angle::Platform:
  23   double currentTime() override;
  24   double monotonicallyIncreasingTime() override;
  25   const unsigned char* getTraceCategoryEnabledFlag(
  26       const char* category_group) override;
  27   TraceEventHandle addTraceEvent(char phase,
  28                                  const unsigned char* category_group_enabled,
  29                                  const char* name,
  30                                  unsigned long long id,
  31                                  double timestamp,
  32                                  int num_args,
  33                                  const char** arg_names,
  34                                  const unsigned char* arg_types,
  35                                  const unsigned long long* arg_values,
  36                                  unsigned char flags) override;
  37   void updateTraceEventDuration(const unsigned char* category_group_enabled,
  38                                 const char* name,
  39                                 TraceEventHandle handle) override;
  40   void histogramCustomCounts(const char* name,
  41                              int sample,
  42                              int min,
  43                              int max,
  44                              int bucket_count) override;
  45   void histogramEnumeration(const char* name,
  46                             int sample,
  47                             int boundary_value) override;
  48   void histogramSparse(const char* name, int sample) override;
  49   void histogramBoolean(const char* name, bool sample) override;
  50
  51  private:
  52   DISALLOW_COPY_AND_ASSIGN(ANGLEPlatformImpl);
  53 };
  54
  55 }  // namespace gfx
  56
  57 #endif  // UI_GL_ANGLE_PLATFORM_IMPL_H_