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| 1 // Copyright 2011 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "config.h" | |
| 6 | |
| 7 #if USE(ACCELERATED_COMPOSITING) | |
| 8 | |
| 9 #include "CCTextureLayerImpl.h" | |
| 10 | |
| 11 #include "base/stringprintf.h" | |
| 12 #include "CCQuadSink.h" | |
| 13 #include "CCRenderer.h" | |
| 14 #include "CCTextureDrawQuad.h" | |
| 15 | |
| 16 namespace cc { | |
| 17 | |
| 18 CCTextureLayerImpl::CCTextureLayerImpl(int id) | |
| 19 : CCLayerImpl(id) | |
| 20 , m_textureId(0) | |
| 21 , m_externalTextureResource(0) | |
| 22 , m_premultipliedAlpha(true) | |
| 23 , m_flipped(true) | |
| 24 , m_uvRect(0, 0, 1, 1) | |
| 25 { | |
| 26 } | |
| 27 | |
| 28 CCTextureLayerImpl::~CCTextureLayerImpl() | |
| 29 { | |
| 30 } | |
| 31 | |
| 32 void CCTextureLayerImpl::willDraw(CCResourceProvider* resourceProvider) | |
| 33 { | |
| 34 if (!m_textureId) | |
| 35 return; | |
| 36 ASSERT(!m_externalTextureResource); | |
| 37 m_externalTextureResource = resourceProvider->createResourceFromExternalText
ure(m_textureId); | |
| 38 } | |
| 39 | |
| 40 void CCTextureLayerImpl::appendQuads(CCQuadSink& quadSink, CCAppendQuadsData& ap
pendQuadsData) | |
| 41 { | |
| 42 if (!m_externalTextureResource) | |
| 43 return; | |
| 44 | |
| 45 CCSharedQuadState* sharedQuadState = quadSink.useSharedQuadState(createShare
dQuadState()); | |
| 46 appendDebugBorderQuad(quadSink, sharedQuadState, appendQuadsData); | |
| 47 | |
| 48 IntRect quadRect(IntPoint(), contentBounds()); | |
| 49 quadSink.append(CCTextureDrawQuad::create(sharedQuadState, quadRect, m_exter
nalTextureResource, m_premultipliedAlpha, m_uvRect, m_flipped).PassAs<CCDrawQuad
>(), appendQuadsData); | |
| 50 } | |
| 51 | |
| 52 void CCTextureLayerImpl::didDraw(CCResourceProvider* resourceProvider) | |
| 53 { | |
| 54 if (!m_externalTextureResource) | |
| 55 return; | |
| 56 // FIXME: the following assert will not be true when sending resources to a | |
| 57 // parent compositor. A synchronization scheme (double-buffering or | |
| 58 // pipelining of updates) for the client will need to exist to solve this. | |
| 59 ASSERT(!resourceProvider->inUseByConsumer(m_externalTextureResource)); | |
| 60 resourceProvider->deleteResource(m_externalTextureResource); | |
| 61 m_externalTextureResource = 0; | |
| 62 } | |
| 63 | |
| 64 void CCTextureLayerImpl::dumpLayerProperties(std::string* str, int indent) const | |
| 65 { | |
| 66 str->append(indentString(indent)); | |
| 67 base::StringAppendF(str, "texture layer texture id: %u premultiplied: %d\n",
m_textureId, m_premultipliedAlpha); | |
| 68 CCLayerImpl::dumpLayerProperties(str, indent); | |
| 69 } | |
| 70 | |
| 71 void CCTextureLayerImpl::didLoseContext() | |
| 72 { | |
| 73 m_textureId = 0; | |
| 74 m_externalTextureResource = 0; | |
| 75 } | |
| 76 | |
| 77 const char* CCTextureLayerImpl::layerTypeAsString() const | |
| 78 { | |
| 79 return "TextureLayer"; | |
| 80 } | |
| 81 | |
| 82 } | |
| 83 | |
| 84 #endif // USE(ACCELERATED_COMPOSITING) | |
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Chromium Code Reviews
Issue 11122003:
[cc] Rename all cc/ filenames to Chromium style (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src