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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 "config.h" | 5 #include "config.h" |
6 | 6 |
7 #include "cc/direct_renderer.h" | 7 #include "cc/direct_renderer.h" |
8 | 8 |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
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59 , flippedY(false) | 59 , flippedY(false) |
60 { | 60 { |
61 } | 61 } |
62 | 62 |
63 DirectRenderer::DrawingFrame::~DrawingFrame() | 63 DirectRenderer::DrawingFrame::~DrawingFrame() |
64 { | 64 { |
65 } | 65 } |
66 | 66 |
67 // | 67 // |
68 // static | 68 // static |
69 FloatRect DirectRenderer::quadVertexRect() | 69 gfx::RectF DirectRenderer::quadVertexRect() |
70 { | 70 { |
71 return FloatRect(-0.5, -0.5, 1, 1); | 71 return gfx::RectF(-0.5, -0.5, 1, 1); |
72 } | 72 } |
73 | 73 |
74 // static | 74 // static |
75 void DirectRenderer::quadRectTransform(WebKit::WebTransformationMatrix* quadRect
Transform, const WebKit::WebTransformationMatrix& quadTransform, const gfx::Rect
F& quadRect) | 75 void DirectRenderer::quadRectTransform(WebKit::WebTransformationMatrix* quadRect
Transform, const WebKit::WebTransformationMatrix& quadTransform, const gfx::Rect
F& quadRect) |
76 { | 76 { |
77 *quadRectTransform = quadTransform; | 77 *quadRectTransform = quadTransform; |
78 quadRectTransform->translate(0.5 * quadRect.width() + quadRect.x(), 0.5 * qu
adRect.height() + quadRect.y()); | 78 quadRectTransform->translate(0.5 * quadRect.width() + quadRect.x(), 0.5 * qu
adRect.height() + quadRect.y()); |
79 quadRectTransform->scaleNonUniform(quadRect.width(), quadRect.height()); | 79 quadRectTransform->scaleNonUniform(quadRect.width(), quadRect.height()); |
80 } | 80 } |
81 | 81 |
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124 std::vector<RenderPass::Id> passesToDelete; | 124 std::vector<RenderPass::Id> passesToDelete; |
125 ScopedPtrHashMap<RenderPass::Id, CachedTexture>::const_iterator passIterator
; | 125 ScopedPtrHashMap<RenderPass::Id, CachedTexture>::const_iterator passIterator
; |
126 for (passIterator = m_renderPassTextures.begin(); passIterator != m_renderPa
ssTextures.end(); ++passIterator) { | 126 for (passIterator = m_renderPassTextures.begin(); passIterator != m_renderPa
ssTextures.end(); ++passIterator) { |
127 base::hash_map<RenderPass::Id, const RenderPass*>::const_iterator it = r
enderPassesInFrame.find(passIterator->first); | 127 base::hash_map<RenderPass::Id, const RenderPass*>::const_iterator it = r
enderPassesInFrame.find(passIterator->first); |
128 if (it == renderPassesInFrame.end()) { | 128 if (it == renderPassesInFrame.end()) { |
129 passesToDelete.push_back(passIterator->first); | 129 passesToDelete.push_back(passIterator->first); |
130 continue; | 130 continue; |
131 } | 131 } |
132 | 132 |
133 const RenderPass* renderPassInFrame = it->second; | 133 const RenderPass* renderPassInFrame = it->second; |
134 const IntSize& requiredSize = renderPassTextureSize(renderPassInFrame); | 134 const gfx::Size& requiredSize = renderPassTextureSize(renderPassInFrame)
; |
135 GLenum requiredFormat = renderPassTextureFormat(renderPassInFrame); | 135 GLenum requiredFormat = renderPassTextureFormat(renderPassInFrame); |
136 CachedTexture* texture = passIterator->second; | 136 CachedTexture* texture = passIterator->second; |
137 DCHECK(texture); | 137 DCHECK(texture); |
138 | 138 |
139 if (texture->id() && (texture->size() != requiredSize || texture->format
() != requiredFormat)) | 139 if (texture->id() && (texture->size() != requiredSize || texture->format
() != requiredFormat)) |
140 texture->free(); | 140 texture->free(); |
141 } | 141 } |
142 | 142 |
143 // Delete RenderPass textures from the previous frame that will not be used
again. | 143 // Delete RenderPass textures from the previous frame that will not be used
again. |
144 for (size_t i = 0; i < passesToDelete.size(); ++i) | 144 for (size_t i = 0; i < passesToDelete.size(); ++i) |
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170 } | 170 } |
171 | 171 |
172 void DirectRenderer::drawRenderPass(DrawingFrame& frame, const RenderPass* rende
rPass) | 172 void DirectRenderer::drawRenderPass(DrawingFrame& frame, const RenderPass* rende
rPass) |
173 { | 173 { |
174 if (!useRenderPass(frame, renderPass)) | 174 if (!useRenderPass(frame, renderPass)) |
175 return; | 175 return; |
176 | 176 |
177 frame.scissorRectInRenderPassSpace = frame.currentRenderPass->outputRect(); | 177 frame.scissorRectInRenderPassSpace = frame.currentRenderPass->outputRect(); |
178 if (frame.rootDamageRect != frame.rootRenderPass->outputRect()) { | 178 if (frame.rootDamageRect != frame.rootRenderPass->outputRect()) { |
179 WebTransformationMatrix inverseTransformToRoot = frame.currentRenderPass
->transformToRootTarget().inverse(); | 179 WebTransformationMatrix inverseTransformToRoot = frame.currentRenderPass
->transformToRootTarget().inverse(); |
180 gfx::RectF damageRectInRenderPassSpace = MathUtil::projectClippedRect(in
verseTransformToRoot, cc::FloatRect(frame.rootDamageRect)); | 180 gfx::RectF damageRectInRenderPassSpace = MathUtil::projectClippedRect(in
verseTransformToRoot, frame.rootDamageRect); |
181 frame.scissorRectInRenderPassSpace.Intersect(damageRectInRenderPassSpace
); | 181 frame.scissorRectInRenderPassSpace.Intersect(damageRectInRenderPassSpace
); |
182 } | 182 } |
183 | 183 |
184 enableScissorTestRect(moveScissorToWindowSpace(frame, frame.scissorRectInRen
derPassSpace)); | 184 enableScissorTestRect(moveScissorToWindowSpace(frame, frame.scissorRectInRen
derPassSpace)); |
185 clearFramebuffer(frame); | 185 clearFramebuffer(frame); |
186 | 186 |
187 const QuadList& quadList = renderPass->quadList(); | 187 const QuadList& quadList = renderPass->quadList(); |
188 for (QuadList::constBackToFrontIterator it = quadList.backToFrontBegin(); it
!= quadList.backToFrontEnd(); ++it) { | 188 for (QuadList::constBackToFrontIterator it = quadList.backToFrontBegin(); it
!= quadList.backToFrontEnd(); ++it) { |
189 gfx::RectF quadScissorRect = gfx::IntersectRects(frame.scissorRectInRend
erPassSpace, (*it)->clippedRectInTarget()); | 189 gfx::RectF quadScissorRect = gfx::IntersectRects(frame.scissorRectInRend
erPassSpace, (*it)->clippedRectInTarget()); |
190 if (!quadScissorRect.IsEmpty()) { | 190 if (!quadScissorRect.IsEmpty()) { |
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218 return bindFramebufferToTexture(frame, texture, renderPass->outputRect()); | 218 return bindFramebufferToTexture(frame, texture, renderPass->outputRect()); |
219 } | 219 } |
220 | 220 |
221 bool DirectRenderer::haveCachedResourcesForRenderPassId(RenderPass::Id id) const | 221 bool DirectRenderer::haveCachedResourcesForRenderPassId(RenderPass::Id id) const |
222 { | 222 { |
223 CachedTexture* texture = m_renderPassTextures.get(id); | 223 CachedTexture* texture = m_renderPassTextures.get(id); |
224 return texture && texture->id() && texture->isComplete(); | 224 return texture && texture->id() && texture->isComplete(); |
225 } | 225 } |
226 | 226 |
227 // static | 227 // static |
228 IntSize DirectRenderer::renderPassTextureSize(const RenderPass* pass) | 228 gfx::Size DirectRenderer::renderPassTextureSize(const RenderPass* pass) |
229 { | 229 { |
230 return cc::IntSize(pass->outputRect().size()); | 230 return pass->outputRect().size(); |
231 } | 231 } |
232 | 232 |
233 // static | 233 // static |
234 GLenum DirectRenderer::renderPassTextureFormat(const RenderPass*) | 234 GLenum DirectRenderer::renderPassTextureFormat(const RenderPass*) |
235 { | 235 { |
236 return GL_RGBA; | 236 return GL_RGBA; |
237 } | 237 } |
238 | 238 |
239 } | 239 } |
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