NewTextureSource*
BufferTextureHost::GetTextureSources()
{
MOZ_ASSERT(mLocked, "should never be called while not locked");
if (!MaybeUpload(mPartialUpdate ? &mMaybeUpdatedRegion : nullptr)) {
return nullptr;
}
return mFirstSource;
}
bool
BufferTextureHost::Lock()
{
MOZ_ASSERT(!mLocked);
if (!MaybeUpload(!mNeedsFullUpdate ? &mMaybeUpdatedRegion : nullptr)) {
return false;
}
mLocked = !!mFirstSource;
return mLocked;
}
void
BufferTextureHost::Updated(const nsIntRegion* aRegion)
{
++mUpdateSerial;
if (aRegion) {
mPartialUpdate = true;
mMaybeUpdatedRegion = *aRegion;
} else {
mPartialUpdate = false;
}
if (GetFlags() & TEXTURE_IMMEDIATE_UPLOAD) {
DebugOnly<bool> result = MaybeUpload(mPartialUpdate ? &mMaybeUpdatedRegion : nullptr);
MOZ_ASSERT(result);
}
}
void
BufferTextureHost::Updated(const nsIntRegion* aRegion)
{
++mUpdateSerial;
if (aRegion) {
mPartialUpdate = true;
mMaybeUpdatedRegion = *aRegion;
} else {
mPartialUpdate = false;
}
if (GetFlags() & TextureFlags::IMMEDIATE_UPLOAD) {
DebugOnly<bool> result = MaybeUpload(mPartialUpdate ? &mMaybeUpdatedRegion : nullptr);
NS_WARN_IF_FALSE(result, "Failed to upload a texture");
}
}
void
BufferTextureHost::UpdatedInternal(const nsIntRegion* aRegion)
{
++mUpdateSerial;
// If the last frame wasn't uploaded yet, and we -don't- have a partial update,
// we still need to update the full surface.
if (aRegion && !mNeedsFullUpdate) {
mMaybeUpdatedRegion.OrWith(*aRegion);
} else {
mNeedsFullUpdate = true;
}
if (GetFlags() & TextureFlags::IMMEDIATE_UPLOAD) {
DebugOnly<bool> result = MaybeUpload(!mNeedsFullUpdate ? &mMaybeUpdatedRegion : nullptr);
NS_WARN_IF_FALSE(result, "Failed to upload a texture");
}
}
