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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CC_LAYERS_TEXTURE_LAYER_IMPL_H_ | |
| 6 #define CC_LAYERS_TEXTURE_LAYER_IMPL_H_ | |
| 7 | |
| 8 #include <string> | |
| 9 | |
| 10 #include "base/callback.h" | |
| 11 #include "cc/base/cc_export.h" | |
| 12 #include "cc/layers/layer_impl.h" | |
| 13 | |
| 14 namespace cc { | |
| 15 class SingleReleaseCallbackImpl; | |
| 16 class ScopedResource; | |
| 17 | |
| 18 class CC_EXPORT TextureLayerImpl : public LayerImpl { | |
| 19 public: | |
| 20 static scoped_ptr<TextureLayerImpl> Create(LayerTreeImpl* tree_impl, int id) { | |
| 21 return make_scoped_ptr(new TextureLayerImpl(tree_impl, id)); | |
| 22 } | |
| 23 ~TextureLayerImpl() override; | |
| 24 | |
| 25 scoped_ptr<LayerImpl> CreateLayerImpl( | |
| 26 LayerTreeImpl* layer_tree_impl) override; | |
| 27 void PushPropertiesTo(LayerImpl* layer) override; | |
| 28 | |
| 29 bool WillDraw(DrawMode draw_mode, | |
| 30 ResourceProvider* resource_provider) override; | |
| 31 void AppendQuads(RenderPass* render_pass, | |
| 32 AppendQuadsData* append_quads_data) override; | |
| 33 SimpleEnclosedRegion VisibleContentOpaqueRegion() const override; | |
| 34 void ReleaseResources() override; | |
| 35 | |
| 36 // These setter methods don't cause any implicit damage, so the texture client | |
| 37 // must explicitly invalidate if they intend to cause a visible change in the | |
| 38 // layer's output. | |
| 39 void SetTextureId(unsigned id); | |
| 40 void SetPremultipliedAlpha(bool premultiplied_alpha); | |
| 41 void SetBlendBackgroundColor(bool blend); | |
| 42 void SetFlipped(bool flipped); | |
| 43 void SetNearestNeighbor(bool nearest_neighbor); | |
| 44 void SetUVTopLeft(const gfx::PointF top_left); | |
| 45 void SetUVBottomRight(const gfx::PointF bottom_right); | |
| 46 | |
| 47 // 1--2 | |
| 48 // | | | |
| 49 // 0--3 | |
| 50 void SetVertexOpacity(const float vertex_opacity[4]); | |
| 51 | |
| 52 void SetTextureMailbox( | |
| 53 const TextureMailbox& mailbox, | |
| 54 scoped_ptr<SingleReleaseCallbackImpl> release_callback); | |
| 55 | |
| 56 private: | |
| 57 TextureLayerImpl(LayerTreeImpl* tree_impl, int id); | |
| 58 | |
| 59 const char* LayerTypeAsString() const override; | |
| 60 void FreeTextureMailbox(); | |
| 61 | |
| 62 ResourceProvider::ResourceId external_texture_resource_; | |
| 63 bool premultiplied_alpha_; | |
| 64 bool blend_background_color_; | |
| 65 bool flipped_; | |
| 66 bool nearest_neighbor_; | |
| 67 gfx::PointF uv_top_left_; | |
| 68 gfx::PointF uv_bottom_right_; | |
| 69 float vertex_opacity_[4]; | |
| 70 // This is a resource that's a GL copy of a software texture mailbox. | |
| 71 scoped_ptr<ScopedResource> texture_copy_; | |
| 72 | |
| 73 TextureMailbox texture_mailbox_; | |
| 74 scoped_ptr<SingleReleaseCallbackImpl> release_callback_; | |
| 75 bool own_mailbox_; | |
| 76 bool valid_texture_copy_; | |
| 77 | |
| 78 DISALLOW_COPY_AND_ASSIGN(TextureLayerImpl); | |
| 79 }; | |
| 80 | |
| 81 } // namespace cc | |
| 82 | |
| 83 #endif // CC_LAYERS_TEXTURE_LAYER_IMPL_H_ | |
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