cc/quads/render_pass_id.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_QUADS_RENDER_PASS_ID_H_
   6 #define CC_QUADS_RENDER_PASS_ID_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/containers/hash_tables.h"
  10 #include "cc/base/cc_export.h"
  11
  12 namespace cc {
  13
  14 class CC_EXPORT RenderPassId {
  15  public:
  16   int layer_id;
  17   size_t index;
  18
  19   RenderPassId() : layer_id(-1), index(0) {}
  20   RenderPassId(int layer_id, size_t index) : layer_id(layer_id), index(index) {}
  21   void* AsTracingId() const;
  22
  23   bool IsValid() const { return layer_id >= 0; }
  24
  25   bool operator==(const RenderPassId& other) const {
  26     return layer_id == other.layer_id && index == other.index;
  27   }
  28   bool operator!=(const RenderPassId& other) const { return !(*this == other); }
  29   bool operator<(const RenderPassId& other) const {
  30     return layer_id < other.layer_id ||
  31            (layer_id == other.layer_id && index < other.index);
  32   }
  33 };
  34
  35 }  // namespace cc
  36
  37 #endif  // CC_QUADS_RENDER_PASS_ID_H_