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1 // Copyright 2010 The Chromium Authors. All rights reserved. | 1 // Copyright 2010 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/gl_renderer.h" | 5 #include "cc/gl_renderer.h" |
6 | 6 |
7 #include "base/debug/trace_event.h" | 7 #include "base/debug/trace_event.h" |
8 #include "base/logging.h" | 8 #include "base/logging.h" |
9 #include "base/string_split.h" | 9 #include "base/string_split.h" |
10 #include "base/string_util.h" | 10 #include "base/string_util.h" |
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471 return scoped_ptr<ScopedResource>(); | 471 return scoped_ptr<ScopedResource>(); |
472 | 472 |
473 SkBitmap filteredDeviceBackground = applyFilters(this, filters, deviceBackgr
oundTexture.get(), m_client->hasImplThread()); | 473 SkBitmap filteredDeviceBackground = applyFilters(this, filters, deviceBackgr
oundTexture.get(), m_client->hasImplThread()); |
474 if (!filteredDeviceBackground.getTexture()) | 474 if (!filteredDeviceBackground.getTexture()) |
475 return scoped_ptr<ScopedResource>(); | 475 return scoped_ptr<ScopedResource>(); |
476 | 476 |
477 GrTexture* texture = reinterpret_cast<GrTexture*>(filteredDeviceBackground.g
etTexture()); | 477 GrTexture* texture = reinterpret_cast<GrTexture*>(filteredDeviceBackground.g
etTexture()); |
478 int filteredDeviceBackgroundTextureId = texture->getTextureHandle(); | 478 int filteredDeviceBackgroundTextureId = texture->getTextureHandle(); |
479 | 479 |
480 scoped_ptr<ScopedResource> backgroundTexture = ScopedResource::create(m_reso
urceProvider); | 480 scoped_ptr<ScopedResource> backgroundTexture = ScopedResource::create(m_reso
urceProvider); |
481 if (!backgroundTexture->allocate(Renderer::ImplPool, quad->quadRect().size()
, GL_RGBA, ResourceProvider::TextureUsageFramebuffer)) | 481 if (!backgroundTexture->Allocate(Renderer::ImplPool, quad->quadRect().size()
, GL_RGBA, ResourceProvider::TextureUsageFramebuffer)) |
482 return scoped_ptr<ScopedResource>(); | 482 return scoped_ptr<ScopedResource>(); |
483 | 483 |
484 const RenderPass* targetRenderPass = frame.currentRenderPass; | 484 const RenderPass* targetRenderPass = frame.currentRenderPass; |
485 bool usingBackgroundTexture = useScopedTexture(frame, backgroundTexture.get(
), quad->quadRect()); | 485 bool usingBackgroundTexture = useScopedTexture(frame, backgroundTexture.get(
), quad->quadRect()); |
486 | 486 |
487 if (usingBackgroundTexture) { | 487 if (usingBackgroundTexture) { |
488 // Copy the readback pixels from device to the background texture for th
e surface. | 488 // Copy the readback pixels from device to the background texture for th
e surface. |
489 WebTransformationMatrix deviceToFramebufferTransform; | 489 WebTransformationMatrix deviceToFramebufferTransform; |
490 deviceToFramebufferTransform.translate(quad->quadRect().width() / 2.0, q
uad->quadRect().height() / 2.0); | 490 deviceToFramebufferTransform.translate(quad->quadRect().width() / 2.0, q
uad->quadRect().height() / 2.0); |
491 deviceToFramebufferTransform.scale3d(quad->quadRect().width(), quad->qua
dRect().height(), 1); | 491 deviceToFramebufferTransform.scale3d(quad->quadRect().width(), quad->qua
dRect().height(), 1); |
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1270 GLC(m_context, m_context->deleteTexture(temporaryTexture)); | 1270 GLC(m_context, m_context->deleteTexture(temporaryTexture)); |
1271 } | 1271 } |
1272 | 1272 |
1273 enforceMemoryPolicy(); | 1273 enforceMemoryPolicy(); |
1274 } | 1274 } |
1275 | 1275 |
1276 bool GLRenderer::getFramebufferTexture(ScopedResource* texture, const gfx::Rect&
deviceRect) | 1276 bool GLRenderer::getFramebufferTexture(ScopedResource* texture, const gfx::Rect&
deviceRect) |
1277 { | 1277 { |
1278 DCHECK(!texture->id() || (texture->size() == deviceRect.size() && texture->f
ormat() == GL_RGB)); | 1278 DCHECK(!texture->id() || (texture->size() == deviceRect.size() && texture->f
ormat() == GL_RGB)); |
1279 | 1279 |
1280 if (!texture->id() && !texture->allocate(Renderer::ImplPool, deviceRect.size
(), GL_RGB, ResourceProvider::TextureUsageAny)) | 1280 if (!texture->id() && !texture->Allocate(Renderer::ImplPool, deviceRect.size
(), GL_RGB, ResourceProvider::TextureUsageAny)) |
1281 return false; | 1281 return false; |
1282 | 1282 |
1283 ResourceProvider::ScopedWriteLockGL lock(m_resourceProvider, texture->id()); | 1283 ResourceProvider::ScopedWriteLockGL lock(m_resourceProvider, texture->id()); |
1284 GLC(m_context, m_context->bindTexture(GL_TEXTURE_2D, lock.textureId())); | 1284 GLC(m_context, m_context->bindTexture(GL_TEXTURE_2D, lock.textureId())); |
1285 GLC(m_context, m_context->copyTexImage2D(GL_TEXTURE_2D, 0, texture->format()
, | 1285 GLC(m_context, m_context->copyTexImage2D(GL_TEXTURE_2D, 0, texture->format()
, |
1286 deviceRect.x(), deviceRect.y(), dev
iceRect.width(), deviceRect.height(), 0)); | 1286 deviceRect.x(), deviceRect.y(), dev
iceRect.width(), deviceRect.height(), 0)); |
1287 return true; | 1287 return true; |
1288 } | 1288 } |
1289 | 1289 |
1290 bool GLRenderer::useScopedTexture(DrawingFrame& frame, const ScopedResource* tex
ture, const gfx::Rect& viewportRect) | 1290 bool GLRenderer::useScopedTexture(DrawingFrame& frame, const ScopedResource* tex
ture, const gfx::Rect& viewportRect) |
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1588 | 1588 |
1589 releaseRenderPassTextures(); | 1589 releaseRenderPassTextures(); |
1590 } | 1590 } |
1591 | 1591 |
1592 bool GLRenderer::isContextLost() | 1592 bool GLRenderer::isContextLost() |
1593 { | 1593 { |
1594 return (m_context->getGraphicsResetStatusARB() != GL_NO_ERROR); | 1594 return (m_context->getGraphicsResetStatusARB() != GL_NO_ERROR); |
1595 } | 1595 } |
1596 | 1596 |
1597 } // namespace cc | 1597 } // namespace cc |
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