void
ContentClientRemoteBuffer::BuildTextureClients(SurfaceFormat aFormat,
const nsIntRect& aRect,
uint32_t aFlags)
{
// If we hit this assertion, then it might be due to an empty transaction
// followed by a real transaction. Our buffers should be created (but not
// painted in the empty transaction) and then painted (but not created) in the
// real transaction. That is kind of fragile, and this assert will catch
// circumstances where we screw that up, e.g., by unnecessarily recreating our
// buffers.
NS_ABORT_IF_FALSE(!mIsNewBuffer,
"Bad! Did we create a buffer twice without painting?");
mIsNewBuffer = true;
DestroyBuffers();
mSurfaceFormat = aFormat;
mSize = gfx::IntSize(aRect.width, aRect.height);
mTextureInfo.mTextureFlags = TextureFlagsForRotatedContentBufferFlags(aFlags);
if (!CreateAndAllocateTextureClient(mTextureClient, TEXTURE_ON_BLACK) ||
!AddTextureClient(mTextureClient)) {
AbortTextureClientCreation();
return;
}
if (aFlags & BUFFER_COMPONENT_ALPHA) {
if (!CreateAndAllocateTextureClient(mTextureClientOnWhite, TEXTURE_ON_WHITE) ||
!AddTextureClient(mTextureClientOnWhite)) {
AbortTextureClientCreation();
return;
}
mTextureInfo.mTextureFlags |= TEXTURE_COMPONENT_ALPHA;
}
CreateFrontBuffer(aRect);
}
STDMETHODIMP CVWRenderRoot::Init(HWND hWnd, LPDIRECTDRAW pdd, LPDIRECT3DRM pd3drm, LPDIRECT2DRM pd2drm)
{
EnterCriticalSection(&m_CS);
CLSID clsidVWRender3D;
CLSID clsidVWRender2D;
DDPIXELFORMAT ddpf;
HRESULT hr = S_OK;
m_pDD = pdd;
m_pDD->AddRef();
m_pD2DRM = pd2drm;
m_pD2DRM->AddRef();
m_hWnd = hWnd;
//
// create front buffer (primary surface shared with GDI)
//
if (FAILED(hr = CreateFrontBuffer(pdd, pd2drm, &m_pddsFrontBuffer)))
goto e_Init;
memset(&ddpf,0,sizeof(DDPIXELFORMAT));
ddpf.dwSize = sizeof(DDPIXELFORMAT);
m_pddsFrontBuffer->GetPixelFormat(&ddpf);
if (ddpf.dwRGBBitCount <= 8)
m_pddsFrontBuffer->GetPalette(&m_pPalette);
//
// create clipper
//
if (FAILED(hr = CreateClipper(pdd, m_hWnd, &m_lpDDClipper)))
goto e_Init;
//
// create the 2d renderer
//
if (FAILED(hr = CLSIDFromProgID(CComBSTR("VWSYSTEM.Render2D.1"), &clsidVWRender2D)) ||
FAILED(hr = CoCreateInstance(clsidVWRender2D,
NULL,
CLSCTX_INPROC_SERVER,
IID_IVWRender2D,
(void **)&m_pVWRender2D)) ||
FAILED(hr = m_pVWRender2D->Init(hWnd, pd2drm)))
{
ASSERT(FALSE);
goto e_Init;
}
//
// create the 3d renderer
//
if (FAILED(hr = CLSIDFromProgID(CComBSTR("VWSYSTEM.Render3D.1"), &clsidVWRender3D)) ||
FAILED(hr = CoCreateInstance(clsidVWRender3D,
NULL,
CLSCTX_INPROC_SERVER,
IID_IVWRender3D,
(void **)&m_pVWRender3D)))
{
ASSERT(FALSE);
goto e_Init;
}
// Pass in the color model if already received.
if (m_d3dColorModel)
m_pVWRender3D->put_ColorModel(m_d3dColorModel);
//
// initialize the 3d renderer
//
if (FAILED(hr = m_pVWRender3D->Init(hWnd, pdd, pd3drm)))
{
ASSERT(FALSE);
goto e_Init;
}
// Note: The backbuffer will get created on the first OnSize message
LeaveCriticalSection(&m_CS);
return hr;
e_Init:
ReleaseAll();
LeaveCriticalSection(&m_CS);
return hr;
}
