| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CC_TILES_TILE_DRAW_INFO_H_ |
| #define CC_TILES_TILE_DRAW_INFO_H_ |
| |
| #include <memory> |
| |
| #include "base/trace_event/traced_value.h" |
| #include "cc/resources/resource_pool.h" |
| #include "components/viz/common/resources/platform_color.h" |
| #include "components/viz/common/resources/resource_format_utils.h" |
| #include "third_party/skia/include/core/SkColor.h" |
| |
| namespace cc { |
| |
| // This class holds all the state relevant to drawing a tile. |
| class CC_EXPORT TileDrawInfo { |
| public: |
| enum Mode { RESOURCE_MODE, SOLID_COLOR_MODE, OOM_MODE }; |
| |
| TileDrawInfo(); |
| ~TileDrawInfo(); |
| |
| Mode mode() const { return mode_; } |
| |
| bool IsReadyToDraw() const { |
| switch (mode_) { |
| case RESOURCE_MODE: |
| return is_resource_ready_to_draw_; |
| case SOLID_COLOR_MODE: |
| case OOM_MODE: |
| return true; |
| } |
| NOTREACHED(); |
| return false; |
| } |
| bool NeedsRaster() const { |
| switch (mode_) { |
| case RESOURCE_MODE: |
| return !resource_; |
| case SOLID_COLOR_MODE: |
| return false; |
| case OOM_MODE: |
| return true; |
| } |
| NOTREACHED(); |
| return false; |
| } |
| |
| viz::ResourceId resource_id_for_export() const { |
| DCHECK(mode_ == RESOURCE_MODE); |
| DCHECK(resource_); |
| return resource_.resource_id_for_export(); |
| } |
| |
| const gfx::Size& resource_size() const { |
| DCHECK(mode_ == RESOURCE_MODE); |
| DCHECK(resource_); |
| return resource_.size(); |
| } |
| |
| const viz::ResourceFormat& resource_format() const { |
| DCHECK(mode_ == RESOURCE_MODE); |
| DCHECK(resource_); |
| return resource_.format(); |
| } |
| |
| SkColor solid_color() const { |
| DCHECK(mode_ == SOLID_COLOR_MODE); |
| return solid_color_; |
| } |
| |
| bool contents_swizzled() const { return contents_swizzled_; } |
| bool is_premultiplied() const { return is_premultiplied_; } |
| |
| bool requires_resource() const { |
| return mode_ == RESOURCE_MODE || mode_ == OOM_MODE; |
| } |
| |
| inline bool has_resource() const { return !!resource_; } |
| |
| const ResourcePool::InUsePoolResource& GetResource(); |
| |
| bool is_checker_imaged() const { |
| DCHECK(!resource_is_checker_imaged_ || resource_); |
| return resource_is_checker_imaged_; |
| } |
| |
| void SetSolidColorForTesting(SkColor color) { set_solid_color(color); } |
| |
| void AsValueInto(base::trace_event::TracedValue* state) const; |
| |
| private: |
| friend class Tile; |
| friend class TileManager; |
| |
| void SetResource(ResourcePool::InUsePoolResource resource, |
| bool resource_is_checker_imaged, |
| bool contents_swizzled, |
| bool is_premultiplied); |
| ResourcePool::InUsePoolResource TakeResource(); |
| |
| void set_resource_ready_for_draw() { |
| is_resource_ready_to_draw_ = true; |
| } |
| |
| void set_solid_color(const SkColor& color) { |
| DCHECK(!resource_); |
| mode_ = SOLID_COLOR_MODE; |
| solid_color_ = color; |
| } |
| |
| void set_oom() { mode_ = OOM_MODE; } |
| |
| Mode mode_ = RESOURCE_MODE; |
| SkColor solid_color_ = SK_ColorWHITE; |
| ResourcePool::InUsePoolResource resource_; |
| bool contents_swizzled_ = false; |
| bool is_premultiplied_ = false; |
| bool is_resource_ready_to_draw_ = false; |
| |
| // Set to true if |resource_| was rasterized with checker-imaged content. The |
| // flag can only be true iff we have a valid |resource_|. |
| bool resource_is_checker_imaged_ = false; |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_TILES_TILE_DRAW_INFO_H_ |