void PaintedSurface::prepare(GLWebViewState* state)
{
XLOG("PS %p has PL %p, DL %p", this, m_paintingLayer, m_drawingLayer);
LayerAndroid* paintingLayer = m_paintingLayer;
if (!paintingLayer)
paintingLayer = m_drawingLayer;
if (!paintingLayer)
return;
bool startFastSwap = false;
if (state->isScrolling()) {
// when scrolling, block updates and swap tiles as soon as they're ready
startFastSwap = true;
}
XLOG("prepare layer %d %x at scale %.2f",
paintingLayer->uniqueId(), paintingLayer,
paintingLayer->getScale());
IntRect visibleArea = computeVisibleArea(paintingLayer);
IntRect prepareArea = computePrepareArea(paintingLayer); // SAMSUNG CHANGE
m_scale = state->scale();
// If we do not have text, we may as well limit ourselves to
// a scale factor of one... this saves up textures.
if (m_scale > 1 && !paintingLayer->hasText())
m_scale = 1;
m_tiledTexture->prepare(state, m_scale, m_pictureUsed != paintingLayer->pictureUsed(),
startFastSwap, visibleArea, prepareArea); // SAMSUNG CHANGE
}
void Surface::prepareGL(bool layerTilesDisabled, bool updateWithBlit)
{
bool tilesDisabled = layerTilesDisabled && !isBase();
if (!m_surfaceBacking) {
ALOGV("prepareGL on Surf %p, no SurfBack, needsTexture? %d",
this, m_surfaceBacking, needsTexture());
if (needsTexture() || (isBase() && layerTilesDisabled))
m_surfaceBacking = new SurfaceBacking(isBase());
else
return;
}
if (tilesDisabled) {
m_surfaceBacking->discardTextures();
} else {
bool allowZoom = hasText(); // only allow for scale > 1 if painting vectors
IntRect prepareArea = computePrepareArea();
IntRect fullArea = fullContentArea();
ALOGV("prepareGL on Surf %p with SurfBack %p, %d layers, first layer %s (%d) "
"prepareArea(%d, %d - %d x %d) fullArea(%d, %d - %d x %d)",
this, m_surfaceBacking, m_layers.size(),
getFirstLayer()->subclassName().ascii().data(),
getFirstLayer()->uniqueId(),
prepareArea.x(), prepareArea.y(), prepareArea.width(), prepareArea.height(),
fullArea.x(), fullArea.y(), fullArea.width(), fullArea.height());
m_surfaceBacking->prepareGL(getFirstLayer()->state(), allowZoom,
prepareArea, fullArea,
this, useAggressiveRendering(), updateWithBlit);
}
for (size_t i = 0; i < m_layers.size(); i++) {
LayerContent* content = m_layers[i]->content();
if (content)
content->clearPrerenders();
}
}
