Magic-Mirror/gecko-dev
1
0
Fork 0
mirror of https://github.com/mozilla/gecko-dev.git synced 2024-11-25 13:51:41 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Bug 603885, part 3: Allow allocating gfxSharedImageSurface with unsafe Shmem. r=joe

Browse Source
This commit is contained in:
Chris Jones 2010-11-05 02:17:07 -05:00
parent 3070bf00d3
commit 7e89a7975d
1 changed files with 31 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
gfx/thebes/gfxSharedImageSurface.h
View File

@ -76,14 +76,16 @@ public:
gfxImageFormat aFormat,
SharedMemory::SharedMemoryType aShmType = SharedMemory::TYPE_BASIC)
{
mSize = aSize;
mFormat = aFormat;
mStride = ComputeStride();
if (!aAllocator->AllocShmem(GetAlignedSize(),
aShmType, &mShmem))
return false;
return Init<ShmemAllocator, false>(aAllocator, aSize, aFormat, aShmType);
}
return InitSurface(PR_TRUE);
template<class ShmemAllocator>
bool InitUnsafe(ShmemAllocator *aAllocator,
const gfxIntSize& aSize,
gfxImageFormat aFormat,
SharedMemory::SharedMemoryType aShmType = SharedMemory::TYPE_BASIC)
{
return Init<ShmemAllocator, true>(aAllocator, aSize, aFormat, aShmType);
}
/* Gives Shmem data, which can be passed to IPDL interfaces */
@ -93,6 +95,28 @@ public:
static PRBool IsSharedImage(gfxASurface *aSurface);
private:
template<class ShmemAllocator, bool Unsafe>
bool Init(ShmemAllocator *aAllocator,
const gfxIntSize& aSize,
gfxImageFormat aFormat,
SharedMemory::SharedMemoryType aShmType)
{
mSize = aSize;
mFormat = aFormat;
mStride = ComputeStride();
if (!Unsafe) {
if (!aAllocator->AllocShmem(GetAlignedSize(),
aShmType, &mShmem))
return false;
} else {
if (!aAllocator->AllocUnsafeShmem(GetAlignedSize(),
aShmType, &mShmem))
return false;
}
return InitSurface(PR_TRUE);
}
size_t GetAlignedSize();
bool InitSurface(PRBool aUpdateShmemInfo);