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Bug 1023882 - Part 5 - Move the invalid region calculation up a bit. r=Cwiiis

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This commit is contained in:
Kartikaya Gupta 2014-06-11 12:42:45 -04:00
parent 69631acc84
commit 0f3ab418b4
1 changed files with 12 additions and 9 deletions
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21
gfx/layers/client/ClientTiledThebesLayer.cpp
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@ -365,17 +365,22 @@ ClientTiledThebesLayer::RenderLayer()
return;
}
TILING_PRLOG_OBJ(("TILING 0x%p: Valid region %s\n", this, tmpstr.get()), mValidRegion);
TILING_PRLOG_OBJ(("TILING 0x%p: Visible region %s\n", this, tmpstr.get()), mVisibleRegion);
// Make sure that tiles that fall outside of the visible region are
// discarded on the first update.
// Make sure that tiles that fall outside of the visible region or outside of the
// critical displayport are discarded on the first update. Also make sure that we
// only draw stuff inside the critical displayport on the first update.
mValidRegion.And(mValidRegion, mVisibleRegion);
if (!mPaintData.mCriticalDisplayPort.IsEmpty()) {
// Make sure that tiles that fall outside of the critical displayport are
// discarded on the first update.
mValidRegion.And(mValidRegion, LayerIntRect::ToUntyped(mPaintData.mCriticalDisplayPort));
invalidRegion.And(invalidRegion, LayerIntRect::ToUntyped(mPaintData.mCriticalDisplayPort));
}
TILING_PRLOG_OBJ(("TILING 0x%p: First-transaction valid region %s\n", this, tmpstr.get()), mValidRegion);
TILING_PRLOG_OBJ(("TILING 0x%p: First-transaction invalid region %s\n", this, tmpstr.get()), invalidRegion);
} else {
if (!mPaintData.mCriticalDisplayPort.IsEmpty()) {
invalidRegion.And(invalidRegion, LayerIntRect::ToUntyped(mPaintData.mCriticalDisplayPort));
}
TILING_PRLOG_OBJ(("TILING 0x%p: Repeat-transaction invalid region %s\n", this, tmpstr.get()), invalidRegion);
}
nsIntRegion lowPrecisionInvalidRegion;
@ -389,8 +394,6 @@ ClientTiledThebesLayer::RenderLayer()
lowPrecisionInvalidRegion.Sub(lowPrecisionInvalidRegion, mValidRegion);
}
// Clip the invalid region to the critical display-port
invalidRegion.And(invalidRegion, LayerIntRect::ToUntyped(mPaintData.mCriticalDisplayPort));
if (invalidRegion.IsEmpty() && lowPrecisionInvalidRegion.IsEmpty()) {
EndPaint(true);
return;