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.
5 #ifndef CC_LAYERS_DELEGATED_RENDERER_LAYER_IMPL_H_
6 #define CC_LAYERS_DELEGATED_RENDERER_LAYER_IMPL_H_
8 #include "base/containers/hash_tables.h"
9 #include "base/memory/scoped_ptr.h"
10 #include "cc/base/cc_export.h"
11 #include "cc/base/scoped_ptr_vector.h"
12 #include "cc/layers/layer_impl.h"
15 class DelegatedFrameData;
18 class CC_EXPORT DelegatedRendererLayerImpl : public LayerImpl {
20 static scoped_ptr<DelegatedRendererLayerImpl> Create(
21 LayerTreeImpl* tree_impl, int id) {
22 return make_scoped_ptr(new DelegatedRendererLayerImpl(tree_impl, id));
24 virtual ~DelegatedRendererLayerImpl();
26 // LayerImpl overrides.
27 virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl)
29 virtual bool HasDelegatedContent() const OVERRIDE;
30 virtual bool HasContributingDelegatedRenderPasses() const OVERRIDE;
31 virtual RenderPassId FirstContributingRenderPassId() const OVERRIDE;
32 virtual RenderPassId NextContributingRenderPassId(
33 RenderPassId previous) const OVERRIDE;
34 virtual void ReleaseResources() OVERRIDE;
35 virtual bool WillDraw(DrawMode draw_mode,
36 ResourceProvider* resource_provider) OVERRIDE;
37 virtual void AppendQuads(RenderPass* render_pass,
38 const OcclusionTracker<LayerImpl>& occlusion_tracker,
39 AppendQuadsData* append_quads_data) OVERRIDE;
40 virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE;
42 void AppendContributingRenderPasses(RenderPassSink* render_pass_sink);
44 // Creates an ID with the resource provider for the child renderer
45 // that will be sending quads to the layer. Registers the callback to
46 // inform when resources are no longer in use.
47 void CreateChildIdIfNeeded(const ReturnCallback& return_callback);
49 void SetFrameData(const DelegatedFrameData* frame_data,
50 const gfx::RectF& damage_in_frame);
52 float inverse_device_scale_factor() const {
53 return inverse_device_scale_factor_;
57 DelegatedRendererLayerImpl(LayerTreeImpl* tree_impl, int id);
59 int ChildIdForTesting() const { return child_id_; }
60 const RenderPassList& RenderPassesInDrawOrderForTesting() const {
61 return render_passes_in_draw_order_;
63 const ResourceProvider::ResourceIdArray& ResourcesForTesting() const {
70 void AppendRainbowDebugBorder(RenderPass* render_pass,
71 AppendQuadsData* append_quads_data);
73 void SetRenderPasses(RenderPassList* render_passes_in_draw_order);
74 void ClearRenderPasses();
76 // Returns |true| if the delegated_render_pass_id is part of the current
77 // frame and can be converted.
78 bool ConvertDelegatedRenderPassId(RenderPassId delegated_render_pass_id,
79 RenderPassId* output_render_pass_id) const;
81 void AppendRenderPassQuads(
82 RenderPass* render_pass,
83 const OcclusionTracker<LayerImpl>& occlusion_tracker,
84 AppendQuadsData* append_quads_data,
85 const RenderPass* delegated_render_pass,
86 const gfx::Size& frame_size) const;
88 // LayerImpl overrides.
89 virtual const char* LayerTypeAsString() const OVERRIDE;
91 bool have_render_passes_to_push_;
92 float inverse_device_scale_factor_;
93 RenderPassList render_passes_in_draw_order_;
94 base::hash_map<RenderPassId, int> render_passes_index_by_id_;
95 ResourceProvider::ResourceIdArray resources_;
100 DISALLOW_COPY_AND_ASSIGN(DelegatedRendererLayerImpl);
105 #endif // CC_LAYERS_DELEGATED_RENDERER_LAYER_IMPL_H_