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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/direct_renderer.h" | 5 #include "cc/direct_renderer.h" |
| 6 | 6 |
| 7 #include <vector> | 7 #include <vector> |
| 8 | 8 |
| 9 #include "base/debug/trace_event.h" | 9 #include "base/debug/trace_event.h" |
| 10 #include "cc/math_util.h" | 10 #include "cc/math_util.h" |
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| 129 continue; | 129 continue; |
| 130 } | 130 } |
| 131 | 131 |
| 132 const RenderPass* renderPassInFrame = it->second; | 132 const RenderPass* renderPassInFrame = it->second; |
| 133 const gfx::Size& requiredSize = renderPassTextureSize(renderPassInFrame)
; | 133 const gfx::Size& requiredSize = renderPassTextureSize(renderPassInFrame)
; |
| 134 GLenum requiredFormat = renderPassTextureFormat(renderPassInFrame); | 134 GLenum requiredFormat = renderPassTextureFormat(renderPassInFrame); |
| 135 CachedResource* texture = passIterator->second; | 135 CachedResource* texture = passIterator->second; |
| 136 DCHECK(texture); | 136 DCHECK(texture); |
| 137 | 137 |
| 138 if (texture->id() && (texture->size() != requiredSize || texture->format
() != requiredFormat)) | 138 if (texture->id() && (texture->size() != requiredSize || texture->format
() != requiredFormat)) |
| 139 texture->free(); | 139 texture->Free(); |
| 140 } | 140 } |
| 141 | 141 |
| 142 // Delete RenderPass textures from the previous frame that will not be used
again. | 142 // Delete RenderPass textures from the previous frame that will not be used
again. |
| 143 for (size_t i = 0; i < passesToDelete.size(); ++i) | 143 for (size_t i = 0; i < passesToDelete.size(); ++i) |
| 144 m_renderPassTextures.erase(passesToDelete[i]); | 144 m_renderPassTextures.erase(passesToDelete[i]); |
| 145 | 145 |
| 146 for (size_t i = 0; i < renderPassesInDrawOrder.size(); ++i) { | 146 for (size_t i = 0; i < renderPassesInDrawOrder.size(); ++i) { |
| 147 if (!m_renderPassTextures.contains(renderPassesInDrawOrder[i]->id())) { | 147 if (!m_renderPassTextures.contains(renderPassesInDrawOrder[i]->id())) { |
| 148 scoped_ptr<CachedResource> texture = CachedResource::create(m_resource
Provider); | 148 scoped_ptr<CachedResource> texture = CachedResource::create(m_resource
Provider); |
| 149 m_renderPassTextures.set(renderPassesInDrawOrder[i]->id(), texture.P
ass()); | 149 m_renderPassTextures.set(renderPassesInDrawOrder[i]->id(), texture.P
ass()); |
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| 206 | 206 |
| 207 if (renderPass == frame.rootRenderPass) { | 207 if (renderPass == frame.rootRenderPass) { |
| 208 bindFramebufferToOutputSurface(frame); | 208 bindFramebufferToOutputSurface(frame); |
| 209 initializeMatrices(frame, renderPass->outputRect(), flippedFramebuffer()
); | 209 initializeMatrices(frame, renderPass->outputRect(), flippedFramebuffer()
); |
| 210 setDrawViewportSize(renderPass->outputRect().size()); | 210 setDrawViewportSize(renderPass->outputRect().size()); |
| 211 return true; | 211 return true; |
| 212 } | 212 } |
| 213 | 213 |
| 214 CachedResource* texture = m_renderPassTextures.get(renderPass->id()); | 214 CachedResource* texture = m_renderPassTextures.get(renderPass->id()); |
| 215 DCHECK(texture); | 215 DCHECK(texture); |
| 216 if (!texture->id() && !texture->allocate(Renderer::ImplPool, renderPassTextu
reSize(renderPass), renderPassTextureFormat(renderPass), ResourceProvider::Textu
reUsageFramebuffer)) | 216 if (!texture->id() && !texture->Allocate(Renderer::ImplPool, renderPassTextu
reSize(renderPass), renderPassTextureFormat(renderPass), ResourceProvider::Textu
reUsageFramebuffer)) |
| 217 return false; | 217 return false; |
| 218 | 218 |
| 219 return bindFramebufferToTexture(frame, texture, renderPass->outputRect()); | 219 return bindFramebufferToTexture(frame, texture, renderPass->outputRect()); |
| 220 } | 220 } |
| 221 | 221 |
| 222 bool DirectRenderer::haveCachedResourcesForRenderPassId(RenderPass::Id id) const | 222 bool DirectRenderer::haveCachedResourcesForRenderPassId(RenderPass::Id id) const |
| 223 { | 223 { |
| 224 CachedResource* texture = m_renderPassTextures.get(id); | 224 CachedResource* texture = m_renderPassTextures.get(id); |
| 225 return texture && texture->id() && texture->isComplete(); | 225 return texture && texture->id() && texture->isComplete(); |
| 226 } | 226 } |
| 227 | 227 |
| 228 // static | 228 // static |
| 229 gfx::Size DirectRenderer::renderPassTextureSize(const RenderPass* pass) | 229 gfx::Size DirectRenderer::renderPassTextureSize(const RenderPass* pass) |
| 230 { | 230 { |
| 231 return pass->outputRect().size(); | 231 return pass->outputRect().size(); |
| 232 } | 232 } |
| 233 | 233 |
| 234 // static | 234 // static |
| 235 GLenum DirectRenderer::renderPassTextureFormat(const RenderPass*) | 235 GLenum DirectRenderer::renderPassTextureFormat(const RenderPass*) |
| 236 { | 236 { |
| 237 return GL_RGBA; | 237 return GL_RGBA; |
| 238 } | 238 } |
| 239 | 239 |
| 240 } // namespace cc | 240 } // namespace cc |
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