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Side by Side Diff: cc/layers/draw_properties.h

Issue 271533011: cc: Move tiling management out of draw properties calculation. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: debug build unit test failures addressed Created 6 years, 6 months ago
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1 // Copyright 2012 The Chromium Authors. All rights reserved. 1 // Copyright 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef CC_LAYERS_DRAW_PROPERTIES_H_ 5 #ifndef CC_LAYERS_DRAW_PROPERTIES_H_
6 #define CC_LAYERS_DRAW_PROPERTIES_H_ 6 #define CC_LAYERS_DRAW_PROPERTIES_H_
7 7
8 #include "base/memory/scoped_ptr.h" 8 #include "base/memory/scoped_ptr.h"
9 #include "ui/gfx/rect.h" 9 #include "ui/gfx/rect.h"
10 #include "ui/gfx/transform.h" 10 #include "ui/gfx/transform.h"
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121 size_t num_render_surfaces_added; 121 size_t num_render_surfaces_added;
122 122
123 // Each time we generate a new render surface layer list, an ID is used to 123 // Each time we generate a new render surface layer list, an ID is used to
124 // identify it. |last_drawn_render_surface_layer_list_id| is set to the ID 124 // identify it. |last_drawn_render_surface_layer_list_id| is set to the ID
125 // that marked the render surface layer list generation which last updated 125 // that marked the render surface layer list generation which last updated
126 // these draw properties and determined that this layer will draw itself. 126 // these draw properties and determined that this layer will draw itself.
127 // If these draw properties are not a part of the render surface layer list, 127 // If these draw properties are not a part of the render surface layer list,
128 // or the layer doesn't contribute anything, then this ID will be either out 128 // or the layer doesn't contribute anything, then this ID will be either out
129 // of date or 0. 129 // of date or 0.
130 int last_drawn_render_surface_layer_list_id; 130 int last_drawn_render_surface_layer_list_id;
131
132 // The scale at which content for the layer should be rastered in order to be
133 // perfectly crisp.
134 float ideal_contents_scale;
135
136 // The maximum scale during the layers current animation at which content
137 // should be rastered at to be crisp.
138 float maximum_animation_contents_scale;
139
140 // The page scale factor that is applied to the layer. Since some layers may
141 // have page scale applied and others not, this may differ between layers.
142 float page_scale_factor;
143
144 // The device scale factor that is applied to the layer.
145 float device_scale_factor;
131 }; 146 };
132 147
133 } // namespace cc 148 } // namespace cc
134 149
135 #endif // CC_LAYERS_DRAW_PROPERTIES_H_ 150 #endif // CC_LAYERS_DRAW_PROPERTIES_H_
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