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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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/output/overlay_strategy_underlay.h" | 5 #include "cc/output/overlay_strategy_underlay.h" |
| 6 | 6 |
| 7 #include "cc/output/overlay_candidate_validator.h" | 7 #include "cc/output/overlay_candidate_validator.h" |
| 8 #include "cc/quads/draw_quad.h" | 8 #include "cc/quads/draw_quad.h" |
| 9 #include "cc/quads/solid_color_draw_quad.h" | 9 #include "cc/quads/solid_color_draw_quad.h" |
| 10 | 10 |
| 11 namespace cc { | 11 namespace cc { |
| 12 | 12 |
| 13 OverlayStrategyUnderlay::OverlayStrategyUnderlay( | 13 OverlayStrategyUnderlay::OverlayStrategyUnderlay( |
| 14 OverlayCandidateValidator* capability_checker) | 14 OverlayCandidateValidator* capability_checker) |
| 15 : capability_checker_(capability_checker) { | 15 : capability_checker_(capability_checker) { |
| 16 DCHECK(capability_checker); | 16 DCHECK(capability_checker); |
| 17 } | 17 } |
| 18 | 18 |
| 19 OverlayStrategyUnderlay::~OverlayStrategyUnderlay() {} | 19 OverlayStrategyUnderlay::~OverlayStrategyUnderlay() {} |
| 20 | 20 |
| 21 bool OverlayStrategyUnderlay::Attempt(RenderPassList* render_passes, | 21 bool OverlayStrategyUnderlay::Attempt(ResourceProvider* resource_provider, |
| 22 RenderPassList* render_passes, |
| 22 OverlayCandidateList* candidate_list) { | 23 OverlayCandidateList* candidate_list) { |
| 23 QuadList& quad_list = render_passes->back()->quad_list; | 24 QuadList& quad_list = render_passes->back()->quad_list; |
| 24 for (auto it = quad_list.begin(); it != quad_list.end(); ++it) { | 25 for (auto it = quad_list.begin(); it != quad_list.end(); ++it) { |
| 25 OverlayCandidate candidate; | 26 OverlayCandidate candidate; |
| 26 if (!OverlayCandidate::FromDrawQuad(*it, &candidate)) | 27 if (!OverlayCandidate::FromDrawQuad(resource_provider, *it, &candidate)) |
| 27 continue; | 28 continue; |
| 28 | 29 |
| 29 // Add the overlay. | 30 // Add the overlay. |
| 30 OverlayCandidateList new_candidate_list = *candidate_list; | 31 OverlayCandidateList new_candidate_list = *candidate_list; |
| 31 new_candidate_list.push_back(candidate); | 32 new_candidate_list.push_back(candidate); |
| 32 new_candidate_list.back().plane_z_order = -1; | 33 new_candidate_list.back().plane_z_order = -1; |
| 33 | 34 |
| 34 // Check for support. | 35 // Check for support. |
| 35 capability_checker_->CheckOverlaySupport(&new_candidate_list); | 36 capability_checker_->CheckOverlaySupport(&new_candidate_list); |
| 36 | 37 |
| 37 // If the candidate can be handled by an overlay, create a pass for it. We | 38 // If the candidate can be handled by an overlay, create a pass for it. We |
| 38 // need to switch out the video quad with a black transparent one. | 39 // need to switch out the video quad with a black transparent one. |
| 39 if (new_candidate_list.back().overlay_handled) { | 40 if (new_candidate_list.back().overlay_handled) { |
| 40 const SharedQuadState* shared_quad_state = it->shared_quad_state; | 41 const SharedQuadState* shared_quad_state = it->shared_quad_state; |
| 41 gfx::Rect rect = it->visible_rect; | 42 gfx::Rect rect = it->visible_rect; |
| 42 SolidColorDrawQuad* replacement = | 43 SolidColorDrawQuad* replacement = |
| 43 quad_list.ReplaceExistingElement<SolidColorDrawQuad>(it); | 44 quad_list.ReplaceExistingElement<SolidColorDrawQuad>(it); |
| 44 replacement->SetAll(shared_quad_state, rect, rect, rect, false, | 45 replacement->SetAll(shared_quad_state, rect, rect, rect, false, |
| 45 SK_ColorTRANSPARENT, true); | 46 SK_ColorTRANSPARENT, true); |
| 46 candidate_list->swap(new_candidate_list); | 47 candidate_list->swap(new_candidate_list); |
| 47 return true; | 48 return true; |
| 48 } | 49 } |
| 49 } | 50 } |
| 50 | 51 |
| 51 return false; | 52 return false; |
| 52 } | 53 } |
| 53 | 54 |
| 54 } // namespace cc | 55 } // namespace cc |
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