diff options
Diffstat (limited to 'Source/WebCore')
8 files changed, 79 insertions, 17 deletions
diff --git a/Source/WebCore/html/HTMLCanvasElement.cpp b/Source/WebCore/html/HTMLCanvasElement.cpp index 764620c..9f51f10 100644 --- a/Source/WebCore/html/HTMLCanvasElement.cpp +++ b/Source/WebCore/html/HTMLCanvasElement.cpp @@ -79,7 +79,19 @@ HTMLCanvasElement::HTMLCanvasElement(const QualifiedName& tagName, Document* doc , m_size(DefaultWidth, DefaultHeight) , m_rendererIsCanvas(false) , m_ignoreReset(false) +#ifdef ANDROID + /* In Android we capture the drawing into a displayList, and then + replay that list at various scale factors (sometimes zoomed out, other + times zoomed in for "normal" reading, yet other times at arbitrary + zoom values based on the user's choice). In all of these cases, we do + not re-record the displayList, hence it is usually harmful to perform + any pre-rounding, since we just don't know the actual drawing resolution + at record time. + */ + , m_pageScaleFactor(1) +#else , m_pageScaleFactor(document->frame() ? document->frame()->page()->chrome()->scaleFactor() : 1) +#endif , m_originClean(true) , m_hasCreatedImageBuffer(false) { diff --git a/Source/WebCore/platform/graphics/android/LayerAndroid.cpp b/Source/WebCore/platform/graphics/android/LayerAndroid.cpp index 97ff692..65e0ec1 100644 --- a/Source/WebCore/platform/graphics/android/LayerAndroid.cpp +++ b/Source/WebCore/platform/graphics/android/LayerAndroid.cpp @@ -706,23 +706,38 @@ void LayerAndroid::showLayer(int indent) this->getChild(i)->showLayer(indent + 1); } -void LayerAndroid::assignTexture(LayerAndroid* oldTree) +// We go through our tree, and if we have layer in the new +// tree that is similar, we tranfer our texture to it. +// Otherwise, we remove ourselves from the texture so +// that TilesManager::swapLayersTextures() have a chance +// at deallocating the textures (PaintedSurfaces) +void LayerAndroid::assignTextureTo(LayerAndroid* newTree) { int count = this->countChildren(); for (int i = 0; i < count; i++) - this->getChild(i)->assignTexture(oldTree); + this->getChild(i)->assignTextureTo(newTree); - if (oldTree) { - LayerAndroid* oldLayer = oldTree->findById(uniqueId()); - if (oldLayer == this) + if (newTree) { + LayerAndroid* newLayer = newTree->findById(uniqueId()); + if (newLayer == this) return; - - if (oldLayer && oldLayer->texture()) { - oldLayer->texture()->replaceLayer(this); - m_texture = oldLayer->texture(); - SkSafeRef(m_texture); + if (newLayer && m_texture) { + m_texture->replaceLayer(newLayer); + newLayer->m_texture = m_texture; + SkSafeRef(newLayer->m_texture); + } + if (!newLayer && m_texture) { + m_texture->removeLayer(this); + m_texture = 0; } } +} + +void LayerAndroid::createTexture() +{ + int count = this->countChildren(); + for (int i = 0; i < count; i++) + this->getChild(i)->createTexture(); if (needsTexture() && !m_texture) m_texture = new PaintedSurface(this); diff --git a/Source/WebCore/platform/graphics/android/LayerAndroid.h b/Source/WebCore/platform/graphics/android/LayerAndroid.h index c4ed9fe..8ad52e0 100644 --- a/Source/WebCore/platform/graphics/android/LayerAndroid.h +++ b/Source/WebCore/platform/graphics/android/LayerAndroid.h @@ -252,7 +252,8 @@ public: friend LayerAndroid* android::deserializeLayer(SkStream* stream); PaintedSurface* texture() { return m_texture; } - void assignTexture(LayerAndroid* oldTree); + void assignTextureTo(LayerAndroid* newTree); + void createTexture(); protected: virtual void onDraw(SkCanvas*, SkScalar opacity); diff --git a/Source/WebCore/platform/graphics/android/MediaTexture.cpp b/Source/WebCore/platform/graphics/android/MediaTexture.cpp index 3fecfb5..96d136a 100644 --- a/Source/WebCore/platform/graphics/android/MediaTexture.cpp +++ b/Source/WebCore/platform/graphics/android/MediaTexture.cpp @@ -104,10 +104,20 @@ void MediaTexture::drawContent(const TransformationMatrix& matrix) m_surfaceTexture->updateTexImage(); - bool forceBlending = ANativeWindow_getFormat(m_surfaceTextureClient.get()) == WINDOW_FORMAT_RGB_565; + sp<GraphicBuffer> buf = m_surfaceTexture->getCurrentBuffer(); + + PixelFormat f = buf->getPixelFormat(); + // only attempt to use alpha blending if alpha channel exists + bool forceAlphaBlending = !( + PIXEL_FORMAT_RGBX_8888 == f || + PIXEL_FORMAT_RGB_888 == f || + PIXEL_FORMAT_RGB_565 == f || + PIXEL_FORMAT_RGB_332 == f); + TilesManager::instance()->shader()->drawLayerQuad(matrix, m_dimensions, m_textureId, 1.0f, - forceBlending, GL_TEXTURE_EXTERNAL_OES); + forceAlphaBlending, + GL_TEXTURE_EXTERNAL_OES); } void MediaTexture::drawVideo(const TransformationMatrix& matrix, const SkRect& parentBounds) diff --git a/Source/WebCore/platform/graphics/android/PaintedSurface.cpp b/Source/WebCore/platform/graphics/android/PaintedSurface.cpp index fe7044c..fd4475b 100644 --- a/Source/WebCore/platform/graphics/android/PaintedSurface.cpp +++ b/Source/WebCore/platform/graphics/android/PaintedSurface.cpp @@ -60,6 +60,7 @@ void PaintedSurface::removeLayer(LayerAndroid* layer) android::Mutex::Autolock lock(m_layerLock); if (m_layer != layer) return; + SkSafeUnref(m_layer); m_layer = 0; } @@ -72,6 +73,8 @@ void PaintedSurface::replaceLayer(LayerAndroid* layer) if (m_layer && layer->uniqueId() != m_layer->uniqueId()) return; + SkSafeRef(layer); + SkSafeUnref(m_layer); m_layer = layer; } @@ -140,6 +143,7 @@ bool PaintedSurface::paint(BaseTile* tile, SkCanvas* canvas, unsigned int* pictu { m_layerLock.lock(); LayerAndroid* layer = m_layer; + SkSafeRef(layer); m_layerLock.unlock(); if (!layer) @@ -148,6 +152,7 @@ bool PaintedSurface::paint(BaseTile* tile, SkCanvas* canvas, unsigned int* pictu layer->contentDraw(canvas); m_pictureUsed = layer->pictureUsed(); *pictureUsed = m_pictureUsed; + SkSafeUnref(layer); return true; } @@ -156,10 +161,13 @@ void PaintedSurface::paintExtra(SkCanvas* canvas) { m_layerLock.lock(); LayerAndroid* layer = m_layer; + SkSafeRef(layer); m_layerLock.unlock(); if (layer) layer->extraDraw(canvas); + + SkSafeUnref(layer); } float PaintedSurface::opacity() { diff --git a/Source/WebCore/platform/graphics/android/PaintedSurface.h b/Source/WebCore/platform/graphics/android/PaintedSurface.h index 84fe64c..6b6c74f 100644 --- a/Source/WebCore/platform/graphics/android/PaintedSurface.h +++ b/Source/WebCore/platform/graphics/android/PaintedSurface.h @@ -51,12 +51,14 @@ public: , m_busy(false) { TilesManager::instance()->addPaintedSurface(this); + SkSafeRef(m_layer); #ifdef DEBUG_COUNT ClassTracker::instance()->increment("PaintedSurface"); #endif } virtual ~PaintedSurface() { + SkSafeUnref(m_layer); #ifdef DEBUG_COUNT ClassTracker::instance()->decrement("PaintedSurface"); #endif diff --git a/Source/WebCore/platform/graphics/android/TilesManager.cpp b/Source/WebCore/platform/graphics/android/TilesManager.cpp index ba48111..4ada041 100644 --- a/Source/WebCore/platform/graphics/android/TilesManager.cpp +++ b/Source/WebCore/platform/graphics/android/TilesManager.cpp @@ -189,8 +189,22 @@ void TilesManager::resetTextureUsage(TiledPage* page) void TilesManager::swapLayersTextures(LayerAndroid* oldTree, LayerAndroid* newTree) { + if (oldTree) + oldTree->assignTextureTo(newTree); + if (newTree) - newTree->assignTexture(oldTree); + newTree->createTexture(); + + WTF::Vector<PaintedSurface*> collect; + for (unsigned int i = 0; i < m_paintedSurfaces.size(); i++) { + PaintedSurface* surface = m_paintedSurfaces[i]; + if (!surface->layer()) + collect.append(surface); + } + for (unsigned int i = 0; i < collect.size(); i++) { + m_paintedSurfaces.remove(m_paintedSurfaces.find(collect[i])); + SkSafeUnref(collect[i]); + } } void TilesManager::addPaintedSurface(PaintedSurface* surface) diff --git a/Source/WebCore/rendering/RenderLayerCompositor.cpp b/Source/WebCore/rendering/RenderLayerCompositor.cpp index b8e30cb..e757080 100644 --- a/Source/WebCore/rendering/RenderLayerCompositor.cpp +++ b/Source/WebCore/rendering/RenderLayerCompositor.cpp @@ -621,10 +621,10 @@ bool RenderLayerCompositor::overlapsCompositedLayers(OverlapMap& overlapMap, con // bool RenderLayerCompositor::checkForFixedLayers(Vector<RenderLayer*>* list, bool stopAtFixedLayer) { - size_t listSize = list->size(); + int listSize = list->size(); int haveFixedLayer = -1; bool fixedSibling = false; - for (size_t j = 0; j < listSize; ++j) { + for (int j = 0; j < listSize; ++j) { RenderLayer* currentLayer = list->at(j); if (currentLayer->isFixed() && needsToBeComposited(currentLayer)) { haveFixedLayer = j; @@ -644,7 +644,7 @@ bool RenderLayerCompositor::checkForFixedLayers(Vector<RenderLayer*>* list, bool if (stopAtFixedLayer) stop = haveFixedLayer + 1; - for (size_t k = j - 1; k >= stop; --k) { + for (int k = j - 1; k >= stop; --k) { RenderLayer* aLayer = list->at(k); if (aLayer && aLayer->renderer()) { IntRect bounds = aLayer->renderer()->localToAbsoluteQuad( |