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 ScopedResource; 16 17 class CC_EXPORT TextureLayerImpl : public LayerImpl { 18 public: 19 static scoped_ptr<TextureLayerImpl> Create(LayerTreeImpl* tree_impl, 20 int id, 21 bool uses_mailbox) { 22 return make_scoped_ptr(new TextureLayerImpl(tree_impl, id, uses_mailbox)); 23 } 24 virtual ~TextureLayerImpl(); 25 26 virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* layer_tree_impl) 27 OVERRIDE; 28 virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE; 29 30 virtual bool WillDraw(DrawMode draw_mode, 31 ResourceProvider* resource_provider) OVERRIDE; 32 virtual void AppendQuads(QuadSink* quad_sink, 33 AppendQuadsData* append_quads_data) OVERRIDE; 34 virtual void DidDraw(ResourceProvider* resource_provider) OVERRIDE; 35 virtual Region VisibleContentOpaqueRegion() const OVERRIDE; 36 virtual void DidLoseOutputSurface() OVERRIDE; 37 38 unsigned texture_id() const { return texture_id_; } 39 void set_texture_id(unsigned id) { texture_id_ = id; } 40 void set_premultiplied_alpha(bool premultiplied_alpha) { 41 premultiplied_alpha_ = premultiplied_alpha; 42 } 43 void set_blend_background_color(bool blend) { 44 blend_background_color_ = blend; 45 } 46 void set_flipped(bool flipped) { flipped_ = flipped; } 47 void set_uv_top_left(gfx::PointF top_left) { uv_top_left_ = top_left; } 48 void set_uv_bottom_right(gfx::PointF bottom_right) { 49 uv_bottom_right_ = bottom_right; 50 } 51 52 // 1--2 53 // | | 54 // 0--3 55 void set_vertex_opacity(const float vertex_opacity[4]) { 56 vertex_opacity_[0] = vertex_opacity[0]; 57 vertex_opacity_[1] = vertex_opacity[1]; 58 vertex_opacity_[2] = vertex_opacity[2]; 59 vertex_opacity_[3] = vertex_opacity[3]; 60 } 61 62 virtual bool CanClipSelf() const OVERRIDE; 63 64 void SetTextureMailbox(const TextureMailbox& mailbox); 65 66 private: 67 TextureLayerImpl(LayerTreeImpl* tree_impl, int id, bool uses_mailbox); 68 69 virtual const char* LayerTypeAsString() const OVERRIDE; 70 void FreeTextureMailbox(); 71 72 unsigned texture_id_; 73 ResourceProvider::ResourceId external_texture_resource_; 74 bool premultiplied_alpha_; 75 bool blend_background_color_; 76 bool flipped_; 77 gfx::PointF uv_top_left_; 78 gfx::PointF uv_bottom_right_; 79 float vertex_opacity_[4]; 80 // This is a resource that's a GL copy of a software texture mailbox. 81 scoped_ptr<ScopedResource> texture_copy_; 82 83 TextureMailbox texture_mailbox_; 84 bool uses_mailbox_; 85 bool own_mailbox_; 86 bool valid_texture_copy_; 87 88 DISALLOW_COPY_AND_ASSIGN(TextureLayerImpl); 89 }; 90 91 } // namespace cc 92 93 #endif // CC_LAYERS_TEXTURE_LAYER_IMPL_H_ 94