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

Issue 227413011: Remove old texture path in TextureLayer (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 6 years, 8 months ago
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1 // Copyright 2010 The Chromium Authors. All rights reserved. 1 // Copyright 2010 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_TEXTURE_LAYER_H_ 5 #ifndef CC_LAYERS_TEXTURE_LAYER_H_
6 #define CC_LAYERS_TEXTURE_LAYER_H_ 6 #define CC_LAYERS_TEXTURE_LAYER_H_
7 7
8 #include <string> 8 #include <string>
9 9
10 #include "base/callback.h" 10 #include "base/callback.h"
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74 // This lock guards the sync_point_ and is_lost_ fields because they can be 74 // This lock guards the sync_point_ and is_lost_ fields because they can be
75 // accessed on both the impl and main thread. We do this to ensure that the 75 // accessed on both the impl and main thread. We do this to ensure that the
76 // values of these fields are well-ordered such that the last call to 76 // values of these fields are well-ordered such that the last call to
77 // ReturnAndReleaseOnImplThread() defines their values. 77 // ReturnAndReleaseOnImplThread() defines their values.
78 base::Lock arguments_lock_; 78 base::Lock arguments_lock_;
79 uint32 sync_point_; 79 uint32 sync_point_;
80 bool is_lost_; 80 bool is_lost_;
81 DISALLOW_COPY_AND_ASSIGN(TextureMailboxHolder); 81 DISALLOW_COPY_AND_ASSIGN(TextureMailboxHolder);
82 }; 82 };
83 83
84 // If this texture layer requires special preparation logic for each frame
85 // driven by the compositor, pass in a non-nil client. Pass in a nil client
86 // pointer if texture updates are driven by an external process.
87 static scoped_refptr<TextureLayer> Create(TextureLayerClient* client);
88
89 // Used when mailbox names are specified instead of texture IDs. 84 // Used when mailbox names are specified instead of texture IDs.
90 static scoped_refptr<TextureLayer> CreateForMailbox( 85 static scoped_refptr<TextureLayer> CreateForMailbox(
91 TextureLayerClient* client); 86 TextureLayerClient* client);
92 87
93 // Resets the client, which also resets the texture. This may synchronize with 88 // Resets the client, which also resets the texture.
94 // the impl thread if it is currently drawing a texture from the client, that
95 // was given via TextureLayerClient::PrepareTexture. After this call it is
96 // safe to destroy that texture. Note: it doesn't synchronize for mailboxes,
97 // those can only be destroyed after the release callback has been called.
98 void ClearClient(); 89 void ClearClient();
99 90
100 // Resets the texture. This may synchronize with the impl thread if it is 91 // Resets the texture.
101 // currently drawing a texture from the client, that was given via
102 // TextureLayerClient::PrepareTexture. After this call it is safe to destroy
103 // that texture. Note: it doesn't synchronize for mailboxes, those can only be
104 // destroyed after the release callback has been called.
105 void ClearTexture(); 92 void ClearTexture();
106 93
107 virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) 94 virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl)
108 OVERRIDE; 95 OVERRIDE;
109 96
110 // Sets whether this texture should be Y-flipped at draw time. Defaults to 97 // Sets whether this texture should be Y-flipped at draw time. Defaults to
111 // true. 98 // true.
112 void SetFlipped(bool flipped); 99 void SetFlipped(bool flipped);
113 100
114 // Sets a UV transform to be used at draw time. Defaults to (0, 0) and (1, 1). 101 // Sets a UV transform to be used at draw time. Defaults to (0, 0) and (1, 1).
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128 // Sets whether the texture should be blended with the background color 115 // Sets whether the texture should be blended with the background color
129 // at draw time. Defaults to false. 116 // at draw time. Defaults to false.
130 void SetBlendBackgroundColor(bool blend); 117 void SetBlendBackgroundColor(bool blend);
131 118
132 // Sets whether this context should rate limit on damage to prevent too many 119 // Sets whether this context should rate limit on damage to prevent too many
133 // frames from being queued up before the compositor gets a chance to run. 120 // frames from being queued up before the compositor gets a chance to run.
134 // Requires a non-nil client. Defaults to false. 121 // Requires a non-nil client. Defaults to false.
135 void SetRateLimitContext(bool rate_limit); 122 void SetRateLimitContext(bool rate_limit);
136 123
137 // Code path for plugins which supply their own mailbox. 124 // Code path for plugins which supply their own mailbox.
138 bool uses_mailbox() const { return uses_mailbox_; }
139 void SetTextureMailbox(const TextureMailbox& mailbox, 125 void SetTextureMailbox(const TextureMailbox& mailbox,
140 scoped_ptr<SingleReleaseCallback> release_callback); 126 scoped_ptr<SingleReleaseCallback> release_callback);
141 127
142 // Use this for special cases where the same texture is used to back the 128 // Use this for special cases where the same texture is used to back the
143 // TextureLayer across all frames. 129 // TextureLayer across all frames.
144 // WARNING: DON'T ACTUALLY USE THIS WHAT YOU ARE DOING IS WRONG. 130 // WARNING: DON'T ACTUALLY USE THIS WHAT YOU ARE DOING IS WRONG.
145 // TODO(danakj): Remove this when pepper doesn't need it. crbug.com/350204 131 // TODO(danakj): Remove this when pepper doesn't need it. crbug.com/350204
146 void SetTextureMailboxWithoutReleaseCallback(const TextureMailbox& mailbox); 132 void SetTextureMailboxWithoutReleaseCallback(const TextureMailbox& mailbox);
147 133
148 virtual void SetNeedsDisplayRect(const gfx::RectF& dirty_rect) OVERRIDE; 134 virtual void SetNeedsDisplayRect(const gfx::RectF& dirty_rect) OVERRIDE;
149 135
150 virtual void SetLayerTreeHost(LayerTreeHost* layer_tree_host) OVERRIDE; 136 virtual void SetLayerTreeHost(LayerTreeHost* layer_tree_host) OVERRIDE;
151 virtual bool DrawsContent() const OVERRIDE; 137 virtual bool DrawsContent() const OVERRIDE;
152 virtual bool Update(ResourceUpdateQueue* queue, 138 virtual bool Update(ResourceUpdateQueue* queue,
153 const OcclusionTracker<Layer>* occlusion) OVERRIDE; 139 const OcclusionTracker<Layer>* occlusion) OVERRIDE;
154 virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE; 140 virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE;
155 virtual Region VisibleContentOpaqueRegion() const OVERRIDE; 141 virtual Region VisibleContentOpaqueRegion() const OVERRIDE;
156 142
157 protected: 143 protected:
158 TextureLayer(TextureLayerClient* client, bool uses_mailbox); 144 explicit TextureLayer(TextureLayerClient* client);
159 virtual ~TextureLayer(); 145 virtual ~TextureLayer();
160 146
161 private: 147 private:
162 void SetTextureMailboxInternal( 148 void SetTextureMailboxInternal(
163 const TextureMailbox& mailbox, 149 const TextureMailbox& mailbox,
164 scoped_ptr<SingleReleaseCallback> release_callback, 150 scoped_ptr<SingleReleaseCallback> release_callback,
165 bool requires_commit, 151 bool requires_commit,
166 bool allow_mailbox_reuse); 152 bool allow_mailbox_reuse);
167 153
168 TextureLayerClient* client_; 154 TextureLayerClient* client_;
169 bool uses_mailbox_;
170 155
171 bool flipped_; 156 bool flipped_;
172 gfx::PointF uv_top_left_; 157 gfx::PointF uv_top_left_;
173 gfx::PointF uv_bottom_right_; 158 gfx::PointF uv_bottom_right_;
174 // [bottom left, top left, top right, bottom right] 159 // [bottom left, top left, top right, bottom right]
175 float vertex_opacity_[4]; 160 float vertex_opacity_[4];
176 bool premultiplied_alpha_; 161 bool premultiplied_alpha_;
177 bool blend_background_color_; 162 bool blend_background_color_;
178 bool rate_limit_context_; 163 bool rate_limit_context_;
179 bool impl_may_draw_client_data_;
180 164
181 unsigned texture_id_;
182 scoped_ptr<TextureMailboxHolder::MainThreadReference> holder_ref_; 165 scoped_ptr<TextureMailboxHolder::MainThreadReference> holder_ref_;
183 bool needs_set_mailbox_; 166 bool needs_set_mailbox_;
184 167
185 DISALLOW_COPY_AND_ASSIGN(TextureLayer); 168 DISALLOW_COPY_AND_ASSIGN(TextureLayer);
186 }; 169 };
187 170
188 } // namespace cc 171 } // namespace cc
189 #endif // CC_LAYERS_TEXTURE_LAYER_H_ 172 #endif // CC_LAYERS_TEXTURE_LAYER_H_
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