void
ContentClientRemoteBuffer::BuildDeprecatedTextureClients(ContentType aType,
const nsIntRect& aRect,
uint32_t aFlags)
{
NS_ABORT_IF_FALSE(!mIsNewBuffer,
"Bad! Did we create a buffer twice without painting?");
mIsNewBuffer = true;
if (mDeprecatedTextureClient) {
mOldTextures.AppendElement(mDeprecatedTextureClient);
if (mDeprecatedTextureClientOnWhite) {
mOldTextures.AppendElement(mDeprecatedTextureClientOnWhite);
}
DestroyBuffers();
}
mContentType = aType;
mSize = gfx::IntSize(aRect.width, aRect.height);
mTextureInfo.mTextureFlags = aFlags | TEXTURE_DEALLOCATE_HOST;
if (!CreateAndAllocateDeprecatedTextureClient(mDeprecatedTextureClient)) {
return;
}
if (aFlags & BUFFER_COMPONENT_ALPHA) {
if (!CreateAndAllocateDeprecatedTextureClient(mDeprecatedTextureClientOnWhite)) {
return;
}
mTextureInfo.mTextureFlags |= TEXTURE_COMPONENT_ALPHA;
}
CreateFrontBufferAndNotify(aRect);
}
void
ContentClientDoubleBuffered::CreateFrontBufferAndNotify(const nsIntRect& aBufferRect)
{
if (!CreateAndAllocateDeprecatedTextureClient(mFrontClient)) {
mDeprecatedTextureClient->SetFlags(0);
mDeprecatedTextureClient = nullptr;
if (mDeprecatedTextureClientOnWhite) {
mDeprecatedTextureClientOnWhite->SetFlags(0);
mDeprecatedTextureClientOnWhite = nullptr;
}
return;
}
if (mTextureInfo.mTextureFlags & TEXTURE_COMPONENT_ALPHA) {
if (!CreateAndAllocateDeprecatedTextureClient(mFrontClientOnWhite)) {
mDeprecatedTextureClient->SetFlags(0);
mDeprecatedTextureClient = nullptr;
mDeprecatedTextureClientOnWhite->SetFlags(0);
mDeprecatedTextureClientOnWhite = nullptr;
mFrontClient->SetFlags(0);
mFrontClient = nullptr;
return;
}
}
mFrontBufferRect = aBufferRect;
mFrontBufferRotation = nsIntPoint();
mForwarder->CreatedDoubleBuffer(this,
*mFrontClient->LockSurfaceDescriptor(),
*mDeprecatedTextureClient->LockSurfaceDescriptor(),
mTextureInfo,
mFrontClientOnWhite ? mFrontClientOnWhite->LockSurfaceDescriptor() : nullptr,
mDeprecatedTextureClientOnWhite ? mDeprecatedTextureClientOnWhite->LockSurfaceDescriptor() : nullptr);
}
