bool TiledPage::swapBuffersIfReady(const SkIRect& tileBounds, float scale)
{
if (!m_glWebViewState)
return false;
if (!m_invalRegion.isEmpty() && !m_prepare)
return false;
if (m_scale != scale)
return false;
int swaps = 0;
bool fullSwap = true;
for (int x = tileBounds.fLeft; x < tileBounds.fRight; x++) {
for (int y = tileBounds.fTop; y < tileBounds.fBottom; y++) {
BaseTile* t = getBaseTile(x, y);
if (!t || !t->isTileReady())
fullSwap = false;
}
}
// swap every tile on page (even if off screen)
for (int j = 0; j < m_baseTileSize; j++) {
BaseTile& tile = m_baseTiles[j];
if (tile.swapTexturesIfNeeded())
swaps++;
}
XLOG("%p greedy swapped %d textures, returning true", this, swaps);
return fullSwap;
}
void TilesProfiler::nextTile(BaseTile& tile, float scale, bool inView)
{
if (!m_enabled || (m_records.size() > MAX_PROF_FRAMES) || (m_records.size() == 0))
return;
bool isReady = tile.isTileReady();
int left = tile.x() * TilesManager::tileWidth();
int top = tile.y() * TilesManager::tileWidth();
int right = left + TilesManager::tileWidth();
int bottom = top + TilesManager::tileWidth();
if (inView) {
if (isReady)
m_goodTiles++;
else
m_badTiles++;
}
m_records.last().append(TileProfileRecord(
left, top, right, bottom,
scale, isReady, (int)tile.drawCount()));
XLOG("adding tile %d %d %d %d, scale %f", left, top, right, bottom, scale);
}