Magic-Mirror/gecko-dev
1
0
Fork 0
mirror of https://github.com/mozilla/gecko-dev.git synced 2024-12-07 21:43:24 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Bug 959842. Add null checks whenever we borrow a draw target from RotatedBuffer. r=kats

Browse Source
This commit is contained in:
Nicholas Cameron 2014-01-17 09:52:52 +13:00
parent b8cac0204a
commit a40bda6b8c
1 changed files with 9 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
gfx/layers/client/ContentClient.cpp
View File

@ -630,6 +630,9 @@ ContentClientDoubleBuffered::UpdateDestinationFrom(const RotatedBuffer& aSource,
{
DrawTarget* destDT =
BorrowDrawTargetForQuadrantUpdate(aUpdateRegion.GetBounds(), BUFFER_BLACK);
if (!destDT) {
return;
}
bool isClippingCheap = IsClippingCheap(destDT, aUpdateRegion);
if (isClippingCheap) {
@ -646,6 +649,9 @@ ContentClientDoubleBuffered::UpdateDestinationFrom(const RotatedBuffer& aSource,
MOZ_ASSERT(HaveBufferOnWhite());
DrawTarget* destDT =
BorrowDrawTargetForQuadrantUpdate(aUpdateRegion.GetBounds(), BUFFER_WHITE);
if (!destDT) {
return;
}
bool isClippingCheap = IsClippingCheap(destDT, aUpdateRegion);
if (isClippingCheap) {
@ -882,6 +888,9 @@ DeprecatedContentClientDoubleBuffered::UpdateDestinationFrom(const RotatedBuffer
MOZ_ASSERT(HaveBufferOnWhite());
DrawTarget* destDT =
BorrowDrawTargetForQuadrantUpdate(aUpdateRegion.GetBounds(), BUFFER_WHITE);
if (!destDT) {
return;
}
bool isClippingCheap = IsClippingCheap(destDT, aUpdateRegion);
if (isClippingCheap) {