cc/tiles/tile_draw_info.cc

   1 // Copyright 2013 The Chromium Authors
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "cc/tiles/tile_draw_info.h"
   6
   7 #include <utility>
   8
   9 #include "base/metrics/histogram_macros.h"
  10 #include "cc/base/math_util.h"
  11
  12 namespace cc {
  13
  14 TileDrawInfo::TileDrawInfo() = default;
  15 TileDrawInfo::~TileDrawInfo() {
  16   DCHECK(!resource_);
  17 }
  18
  19 void TileDrawInfo::AsValueInto(base::trace_event::TracedValue* state) const {
  20   state->SetBoolean("is_solid_color", mode_ == SOLID_COLOR_MODE);
  21   state->SetBoolean("is_transparent",
  22                     mode_ == SOLID_COLOR_MODE && !solid_color_.isOpaque());
  23 }
  24
  25 void TileDrawInfo::SetResource(ResourcePool::InUsePoolResource resource,
  26                                bool resource_is_checker_imaged,
  27                                bool is_premultiplied) {
  28   DCHECK(!resource_);
  29   DCHECK(resource);
  30
  31   mode_ = RESOURCE_MODE;
  32   is_resource_ready_to_draw_ = false;
  33   resource_is_checker_imaged_ = resource_is_checker_imaged;
  34   is_premultiplied_ = is_premultiplied;
  35   resource_ = std::move(resource);
  36 }
  37
  38 const ResourcePool::InUsePoolResource& TileDrawInfo::GetResource() const {
  39   DCHECK_EQ(mode_, RESOURCE_MODE);
  40   DCHECK(resource_);
  41   return resource_;
  42 }
  43
  44 ResourcePool::InUsePoolResource TileDrawInfo::TakeResource() {
  45   DCHECK_EQ(mode_, RESOURCE_MODE);
  46   DCHECK(resource_);
  47   is_resource_ready_to_draw_ = false;
  48   resource_is_checker_imaged_ = false;
  49   is_premultiplied_ = false;
  50   return std::move(resource_);
  51 }
  52
  53 }  // namespace cc