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Bug 1023882 - Part 7 - Move down the calculation of the low-precision invalid region so it happens later. r=Cwiiis

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This commit is contained in:
Kartikaya Gupta 2014-06-11 12:42:46 -04:00
parent b4f8a15744
commit e93f73042e
1 changed files with 26 additions and 33 deletions
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59
gfx/layers/client/ClientTiledThebesLayer.cpp
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@ -242,10 +242,9 @@ ClientTiledThebesLayer::RenderLowPrecision(nsIntRegion& aInvalidRegion,
LayerManager::DrawThebesLayerCallback aCallback,
void* aCallbackData)
{
// Render the low precision buffer, if there's area to invalidate and the
// visible region is larger than the critical display port.
if (!aInvalidRegion.IsEmpty() &&
!nsIntRegion(LayerIntRect::ToUntyped(mPaintData.mCriticalDisplayPort)).Contains(mVisibleRegion)) {
// Render the low precision buffer, if the visible region is larger than the
// critical display port.
if (!nsIntRegion(LayerIntRect::ToUntyped(mPaintData.mCriticalDisplayPort)).Contains(mVisibleRegion)) {
nsIntRegion oldValidRegion = mContentClient->mLowPrecisionTiledBuffer.GetValidRegion();
oldValidRegion.And(oldValidRegion, mVisibleRegion);
@ -334,6 +333,7 @@ ClientTiledThebesLayer::RenderLayer()
TILING_PRLOG_OBJ(("TILING 0x%p: Initial visible region %s\n", this, tmpstr.get()), mVisibleRegion);
TILING_PRLOG_OBJ(("TILING 0x%p: Initial valid region %s\n", this, tmpstr.get()), mValidRegion);
TILING_PRLOG_OBJ(("TILING 0x%p: Initial low-precision valid region %s\n", this, tmpstr.get()), mLowPrecisionValidRegion);
nsIntRegion invalidRegion;
invalidRegion.Sub(mVisibleRegion, mValidRegion);
@ -384,23 +384,13 @@ ClientTiledThebesLayer::RenderLayer()
}
nsIntRegion lowPrecisionInvalidRegion;
if (!mPaintData.mCriticalDisplayPort.IsEmpty()) {
if (gfxPrefs::UseLowPrecisionBuffer()) {
// Calculate the invalid region for the low precision buffer
lowPrecisionInvalidRegion.Sub(mVisibleRegion, mLowPrecisionValidRegion);
// Remove the valid region from the low precision valid region (we don't
// validate this part of the low precision buffer).
lowPrecisionInvalidRegion.Sub(lowPrecisionInvalidRegion, mValidRegion);
}
if (invalidRegion.IsEmpty() && lowPrecisionInvalidRegion.IsEmpty()) {
EndPaint(true);
return;
}
if (gfxPrefs::UseLowPrecisionBuffer()) {
// Calculate the invalid region for the low precision buffer. Make sure
// to remove the valid high-precision area so we don't double-paint it.
lowPrecisionInvalidRegion.Sub(mVisibleRegion, mLowPrecisionValidRegion);
lowPrecisionInvalidRegion.Sub(lowPrecisionInvalidRegion, mValidRegion);
}
TILING_PRLOG_OBJ(("TILING 0x%p: Invalid region %s\n", this, tmpstr.get()), invalidRegion);
TILING_PRLOG_OBJ(("TILING 0x%p: Low-precision invalid region %s\n", this, tmpstr.get()), lowPrecisionInvalidRegion);
bool updatedHighPrecision = RenderHighPrecision(invalidRegion, callback, data);
if (updatedHighPrecision) {
@ -413,23 +403,26 @@ ClientTiledThebesLayer::RenderLayer()
ClientManager()->SetRepeatTransaction();
return;
}
}
// If there are low precision updates, mark the paint as unfinished and
// request a repeat transaction.
if (!lowPrecisionInvalidRegion.IsEmpty()) {
ClientManager()->SetRepeatTransaction();
mPaintData.mLowPrecisionPaintCount = 1;
mPaintData.mPaintFinished = false;
}
// Return so that low precision updates aren't performed in the same
// transaction as high-precision updates.
EndPaint(false);
// If there is nothing to draw in low-precision, then we're done.
if (lowPrecisionInvalidRegion.IsEmpty()) {
EndPaint(true);
return;
}
TILING_PRLOG_OBJ(("TILING 0x%p: Low-precision valid region is %s\n", this, tmpstr.get()), mLowPrecisionValidRegion);
TILING_PRLOG_OBJ(("TILING 0x%p: Low-precision invalid region is %s\n", this, tmpstr.get()), lowPrecisionInvalidRegion);
if (updatedHighPrecision) {
// If there are low precision updates, but we just did some high-precision
// updates, then mark the paint as unfinished and request a repeat transaction.
// This is so that we don't perform low-precision updates in the same transaction
// as high-precision updates.
TILING_PRLOG(("TILING 0x%p: Scheduling repeat transaction for low-precision painting\n", this));
ClientManager()->SetRepeatTransaction();
mPaintData.mLowPrecisionPaintCount = 1;
mPaintData.mPaintFinished = false;
EndPaint(false);
return;
}
bool updatedLowPrecision = RenderLowPrecision(lowPrecisionInvalidRegion, callback, data);
if (updatedLowPrecision) {