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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "cc/delegated_renderer_layer_impl.h" | 5 #include "cc/delegated_renderer_layer_impl.h" |
6 | 6 |
7 #include "cc/append_quads_data.h" | 7 #include "cc/append_quads_data.h" |
8 #include "cc/math_util.h" | 8 #include "cc/math_util.h" |
9 #include "cc/quad_sink.h" | 9 #include "cc/quad_sink.h" |
10 #include "cc/render_pass_draw_quad.h" | 10 #include "cc/render_pass_draw_quad.h" |
11 #include "cc/render_pass_sink.h" | 11 #include "cc/render_pass_sink.h" |
12 | 12 |
13 namespace cc { | 13 namespace cc { |
14 | 14 |
15 DelegatedRendererLayerImpl::DelegatedRendererLayerImpl(int id) | 15 DelegatedRendererLayerImpl::DelegatedRendererLayerImpl(int id) |
16 : LayerImpl(id) | 16 : LayerImpl(id) |
17 { | 17 { |
18 } | 18 } |
19 | 19 |
20 DelegatedRendererLayerImpl::~DelegatedRendererLayerImpl() | 20 DelegatedRendererLayerImpl::~DelegatedRendererLayerImpl() |
21 { | 21 { |
22 clearRenderPasses(); | 22 clearRenderPasses(); |
23 } | 23 } |
24 | 24 |
25 bool DelegatedRendererLayerImpl::descendantDrawsContent() | |
26 { | |
27 // FIXME: This could possibly return false even though there are some | |
28 // quads present as they could all be from a single layer (or set of | |
29 // layers without children). If this happens, then make a test that | |
30 // ensures the opacity is being changed on quads in the root RenderPass | |
31 // when this layer doesn't own a RenderSurfaceImpl. | |
32 return !m_renderPassesInDrawOrder.isEmpty(); | |
33 } | |
34 | |
35 bool DelegatedRendererLayerImpl::hasContributingDelegatedRenderPasses() const | 25 bool DelegatedRendererLayerImpl::hasContributingDelegatedRenderPasses() const |
36 { | 26 { |
37 // The root RenderPass for the layer is merged with its target | 27 // The root RenderPass for the layer is merged with its target |
38 // RenderPass in each frame. So we only have extra RenderPasses | 28 // RenderPass in each frame. So we only have extra RenderPasses |
39 // to merge when we have a non-root RenderPass present. | 29 // to merge when we have a non-root RenderPass present. |
40 return m_renderPassesInDrawOrder.size() > 1; | 30 return m_renderPassesInDrawOrder.size() > 1; |
41 } | 31 } |
42 | 32 |
43 void DelegatedRendererLayerImpl::setRenderPasses(ScopedPtrVector<RenderPass>& re
nderPassesInDrawOrder) | 33 void DelegatedRendererLayerImpl::setRenderPasses(ScopedPtrVector<RenderPass>& re
nderPassesInDrawOrder) |
44 { | 34 { |
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172 quadSink.append(copyQuad.Pass(), appendQuadsData); | 162 quadSink.append(copyQuad.Pass(), appendQuadsData); |
173 } | 163 } |
174 } | 164 } |
175 | 165 |
176 const char* DelegatedRendererLayerImpl::layerTypeAsString() const | 166 const char* DelegatedRendererLayerImpl::layerTypeAsString() const |
177 { | 167 { |
178 return "DelegatedRendererLayer"; | 168 return "DelegatedRendererLayer"; |
179 } | 169 } |
180 | 170 |
181 } // namespace cc | 171 } // namespace cc |
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