| // Copyright 2012 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_LAYERS_TEXTURE_LAYER_IMPL_H_ |
| #define CC_LAYERS_TEXTURE_LAYER_IMPL_H_ |
| |
| #include <string> |
| |
| #include "base/callback.h" |
| #include "cc/base/cc_export.h" |
| #include "cc/layers/layer_impl.h" |
| |
| namespace cc { |
| class SingleReleaseCallback; |
| class ScopedResource; |
| |
| class CC_EXPORT TextureLayerImpl : public LayerImpl { |
| public: |
| static scoped_ptr<TextureLayerImpl> Create(LayerTreeImpl* tree_impl, int id) { |
| return make_scoped_ptr(new TextureLayerImpl(tree_impl, id)); |
| } |
| virtual ~TextureLayerImpl(); |
| |
| virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* layer_tree_impl) |
| OVERRIDE; |
| virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE; |
| |
| virtual bool WillDraw(DrawMode draw_mode, |
| ResourceProvider* resource_provider) OVERRIDE; |
| virtual void AppendQuads(QuadSink* quad_sink, |
| AppendQuadsData* append_quads_data) OVERRIDE; |
| virtual Region VisibleContentOpaqueRegion() const OVERRIDE; |
| virtual void ReleaseResources() OVERRIDE; |
| |
| // These setter methods don't cause any implicit damage, so the texture client |
| // must explicitly invalidate if they intend to cause a visible change in the |
| // layer's output. |
| void SetTextureId(unsigned id); |
| void SetPremultipliedAlpha(bool premultiplied_alpha); |
| void SetBlendBackgroundColor(bool blend); |
| void SetFlipped(bool flipped); |
| void SetUVTopLeft(const gfx::PointF top_left); |
| void SetUVBottomRight(const gfx::PointF bottom_right); |
| |
| // 1--2 |
| // | | |
| // 0--3 |
| void SetVertexOpacity(const float vertex_opacity[4]); |
| |
| void SetTextureMailbox(const TextureMailbox& mailbox, |
| scoped_ptr<SingleReleaseCallback> release_callback); |
| |
| private: |
| TextureLayerImpl(LayerTreeImpl* tree_impl, int id); |
| |
| virtual const char* LayerTypeAsString() const OVERRIDE; |
| void FreeTextureMailbox(); |
| |
| ResourceProvider::ResourceId external_texture_resource_; |
| bool premultiplied_alpha_; |
| bool blend_background_color_; |
| bool flipped_; |
| gfx::PointF uv_top_left_; |
| gfx::PointF uv_bottom_right_; |
| float vertex_opacity_[4]; |
| // This is a resource that's a GL copy of a software texture mailbox. |
| scoped_ptr<ScopedResource> texture_copy_; |
| |
| TextureMailbox texture_mailbox_; |
| scoped_ptr<SingleReleaseCallback> release_callback_; |
| bool own_mailbox_; |
| bool valid_texture_copy_; |
| |
| DISALLOW_COPY_AND_ASSIGN(TextureLayerImpl); |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_LAYERS_TEXTURE_LAYER_IMPL_H_ |