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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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