void
ContainerLayerD3D9::RenderLayer()
{
nsRefPtr<IDirect3DSurface9> previousRenderTarget;
nsRefPtr<IDirect3DTexture9> renderTexture;
float previousRenderTargetOffset[4];
float renderTargetOffset[] = { 0, 0, 0, 0 };
float oldViewMatrix[4][4];
RECT containerD3D9ClipRect;
device()->GetScissorRect(&containerD3D9ClipRect);
// Convert scissor to an nsIntRect. RECT's are exclusive on the bottom and
// right values.
nsIntRect oldScissor(containerD3D9ClipRect.left,
containerD3D9ClipRect.top,
containerD3D9ClipRect.right - containerD3D9ClipRect.left,
containerD3D9ClipRect.bottom - containerD3D9ClipRect.top);
ReadbackProcessor readback;
readback.BuildUpdates(this);
nsIntRect visibleRect = GetEffectiveVisibleRegion().GetBounds();
bool useIntermediate = UseIntermediateSurface();
mSupportsComponentAlphaChildren = false;
if (useIntermediate) {
nsRefPtr<IDirect3DSurface9> renderSurface;
if (!mD3DManager->CompositingDisabled()) {
device()->GetRenderTarget(0, getter_AddRefs(previousRenderTarget));
HRESULT hr = device()->CreateTexture(visibleRect.width, visibleRect.height, 1,
D3DUSAGE_RENDERTARGET, D3DFMT_A8R8G8B8,
D3DPOOL_DEFAULT, getter_AddRefs(renderTexture),
nullptr);
if (FAILED(hr)) {
ReportFailure(NS_LITERAL_CSTRING("ContainerLayerD3D9::ContainerRender(): Failed to create texture"),
hr);
return;
}
nsRefPtr<IDirect3DSurface9> renderSurface;
renderTexture->GetSurfaceLevel(0, getter_AddRefs(renderSurface));
device()->SetRenderTarget(0, renderSurface);
}
if (mVisibleRegion.GetNumRects() == 1 &&
(GetContentFlags() & CONTENT_OPAQUE)) {
// don't need a background, we're going to paint all opaque stuff
mSupportsComponentAlphaChildren = true;
} else {
Matrix4x4 transform3D = GetEffectiveTransform();
Matrix transform;
// If we have an opaque ancestor layer, then we can be sure that
// all the pixels we draw into are either opaque already or will be
// covered by something opaque. Otherwise copying up the background is
// not safe.
HRESULT hr = E_FAIL;
if (HasOpaqueAncestorLayer(this) &&
transform3D.Is2D(&transform) && !ThebesMatrix(transform).HasNonIntegerTranslation()) {
// Copy background up from below
RECT dest = { 0, 0, visibleRect.width, visibleRect.height };
RECT src = dest;
::OffsetRect(&src,
visibleRect.x + int32_t(transform._31),
visibleRect.y + int32_t(transform._32));
if (!mD3DManager->CompositingDisabled()) {
hr = device()->
StretchRect(previousRenderTarget, &src, renderSurface, &dest, D3DTEXF_NONE);
}
}
if (hr == S_OK) {
mSupportsComponentAlphaChildren = true;
} else if (!mD3DManager->CompositingDisabled()) {
device()->
Clear(0, 0, D3DCLEAR_TARGET, D3DCOLOR_RGBA(0, 0, 0, 0), 0, 0);
}
}
device()->
GetVertexShaderConstantF(CBvRenderTargetOffset, previousRenderTargetOffset, 1);
renderTargetOffset[0] = (float)visibleRect.x;
renderTargetOffset[1] = (float)visibleRect.y;
device()->
SetVertexShaderConstantF(CBvRenderTargetOffset, renderTargetOffset, 1);
gfx3DMatrix viewMatrix;
/*
* Matrix to transform to viewport space ( <-1.0, 1.0> topleft,
* <1.0, -1.0> bottomright)
*/
viewMatrix._11 = 2.0f / visibleRect.width;
viewMatrix._22 = -2.0f / visibleRect.height;
viewMatrix._41 = -1.0f;
viewMatrix._42 = 1.0f;
device()->
GetVertexShaderConstantF(CBmProjection, &oldViewMatrix[0][0], 4);
device()->
SetVertexShaderConstantF(CBmProjection, &viewMatrix._11, 4);
} else {
mSupportsComponentAlphaChildren =
(GetContentFlags() & CONTENT_OPAQUE) ||
(mParent &&
mParent->SupportsComponentAlphaChildren());
}
nsAutoTArray<Layer*, 12> children;
SortChildrenBy3DZOrder(children);
/*
* Render this container's contents.
*/
for (uint32_t i = 0; i < children.Length(); i++) {
LayerD3D9* layerToRender = static_cast<LayerD3D9*>(children.ElementAt(i)->ImplData());
if (layerToRender->GetLayer()->GetEffectiveVisibleRegion().IsEmpty()) {
continue;
}
nsIntRect scissorRect =
RenderTargetPixel::ToUntyped(layerToRender->GetLayer()->CalculateScissorRect(RenderTargetPixel::FromUntyped(oldScissor)));
if (scissorRect.IsEmpty()) {
continue;
}
RECT d3drect;
d3drect.left = scissorRect.x;
d3drect.top = scissorRect.y;
d3drect.right = scissorRect.x + scissorRect.width;
d3drect.bottom = scissorRect.y + scissorRect.height;
device()->SetScissorRect(&d3drect);
if (layerToRender->GetLayer()->GetType() == TYPE_PAINTED) {
static_cast<PaintedLayerD3D9*>(layerToRender)->RenderPaintedLayer(&readback);
} else {
layerToRender->RenderLayer();
}
}
if (useIntermediate && !mD3DManager->CompositingDisabled()) {
device()->SetRenderTarget(0, previousRenderTarget);
device()->SetVertexShaderConstantF(CBvRenderTargetOffset, previousRenderTargetOffset, 1);
device()->SetVertexShaderConstantF(CBmProjection, &oldViewMatrix[0][0], 4);
device()->SetVertexShaderConstantF(CBvLayerQuad,
ShaderConstantRect(visibleRect.x,
visibleRect.y,
visibleRect.width,
visibleRect.height),
1);
SetShaderTransformAndOpacity();
mD3DManager->SetShaderMode(DeviceManagerD3D9::RGBALAYER,
GetMaskLayer(),
GetTransform().CanDraw2D());
device()->SetTexture(0, renderTexture);
device()->SetScissorRect(&containerD3D9ClipRect);
device()->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2);
} else {
device()->SetScissorRect(&containerD3D9ClipRect);
}
}
TemporaryRef<CompositingRenderTarget>
CompositorD3D9::CreateRenderTargetFromSource(const gfx::IntRect &aRect,
const CompositingRenderTarget *aSource,
const gfx::IntPoint &aSourcePoint)
{
if (!mDeviceManager) {
return nullptr;
}
RefPtr<IDirect3DTexture9> texture;
HRESULT hr = device()->CreateTexture(aRect.width, aRect.height, 1,
D3DUSAGE_RENDERTARGET, D3DFMT_A8R8G8B8,
D3DPOOL_DEFAULT, byRef(texture),
nullptr);
if (FAILED(hr)) {
ReportFailure(NS_LITERAL_CSTRING("CompositorD3D9::CreateRenderTargetFromSource: Failed to create texture"),
hr);
return nullptr;
}
if (aSource) {
nsRefPtr<IDirect3DSurface9> sourceSurface =
static_cast<const CompositingRenderTargetD3D9*>(aSource)->GetD3D9Surface();
nsRefPtr<IDirect3DSurface9> destSurface;
hr = texture->GetSurfaceLevel(0, getter_AddRefs(destSurface));
if (FAILED(hr)) {
NS_WARNING("Failed to get texture surface level for dest.");
}
if (sourceSurface && destSurface) {
RECT sourceRect;
sourceRect.left = aSourcePoint.x;
sourceRect.right = aSourcePoint.x + aRect.width;
sourceRect.top = aSourcePoint.y;
sourceRect.bottom = aSourcePoint.y + aRect.height;
RECT destRect;
destRect.left = 0;
destRect.right = aRect.width;
destRect.top = 0;
destRect.bottom = aRect.height;
// copy the source to the dest
hr = device()->StretchRect(sourceSurface,
&sourceRect,
destSurface,
&destRect,
D3DTEXF_NONE);
if (FAILED(hr)) {
ReportFailure(NS_LITERAL_CSTRING("CompositorD3D9::CreateRenderTargetFromSource: Failed to update texture"),
hr);
}
}
}
RefPtr<CompositingRenderTargetD3D9> rt =
new CompositingRenderTargetD3D9(texture,
INIT_MODE_NONE,
aRect);
return rt;
}
void DecodeMessage(PCRYPT_DATA_BLOB pEncodedBlob,
LPWSTR pwszSignerName)
{
//---------------------------------------------------------------
// Buffer to hold the name of the subject of a certificate.
wchar_t pszNameString[MAX_NAME];
//---------------------------------------------------------------
// The following variables are used only in the decoding phase.
HCRYPTMSG hMsg;
HCERTSTORE hStoreHandle; // certificate store handle
DWORD cbData = sizeof(DWORD);
DWORD cbDecoded;
BYTE *pbDecoded;
DWORD cbSignerCertInfo;
PCERT_INFO pSignerCertInfo;
PCCERT_CONTEXT pSignerCertContext;
/*---------------------------------------------------------------
The following code decodes the message and verifies the
message signature. This code would normally be in a
stand-alone program that would read the signed and encoded
message and its length from a file from an email message,
or from some other source.
---------------------------------------------------------------*/
//---------------------------------------------------------------
// Open a message for decoding.
if(hMsg = CryptMsgOpenToDecode(
MY_ENCODING_TYPE, // encoding type
0, // flags
0, // use the default message type
// the message type is
// listed in the message header
NULL, // cryptographic provider
// use NULL for the default provider
NULL, // recipient information
NULL)) // stream information
{
printf("The message to decode is open. \n");
}
else
{
MyHandleError("OpenToDecode failed");
}
//---------------------------------------------------------------
// Update the message with an encoded BLOB.
if(CryptMsgUpdate(
hMsg, // handle to the message
pEncodedBlob->pbData, // pointer to the encoded BLOB
pEncodedBlob->cbData, // size of the encoded BLOB
TRUE)) // last call
{
printf("The encoded BLOB has been added to the message. \n");
}
else
{
MyHandleError("Decode MsgUpdate failed");
}
//---------------------------------------------------------------
// Get the number of bytes needed for a buffer
// to hold the decoded message.
if(CryptMsgGetParam(
hMsg, // handle to the message
CMSG_CONTENT_PARAM, // parameter type
0, // index
NULL,
&cbDecoded)) // size of the returned information
{
printf("The message parameter has been acquired. \n");
}
else
{
MyHandleError("Decode CMSG_CONTENT_PARAM failed.");
}
//---------------------------------------------------------------
// Allocate memory.
if(!(pbDecoded = (BYTE *) malloc(cbDecoded)))
{
MyHandleError("Decode memory allocation failed.");
}
//---------------------------------------------------------------
// Copy the content to the buffer.
if(CryptMsgGetParam(
hMsg, // handle to the message
CMSG_CONTENT_PARAM, // parameter type
0, // index
pbDecoded, // address for returned information
&cbDecoded)) // size of the returned information
{
printf("The decoded message is =>\n%s\n\n",
(LPSTR)pbDecoded);
}
else
{
MyHandleError("Decode CMSG_CONTENT_PARAM #2 failed");
}
//---------------------------------------------------------------
// Verify the signature.
// First, get the signer CERT_INFO from the message.
//---------------------------------------------------------------
// Get the size of memory required for the certificate.
if(CryptMsgGetParam(
hMsg, // handle to the message
CMSG_SIGNER_CERT_INFO_PARAM, // parameter type
0, // index
NULL,
&cbSignerCertInfo)) // size of the returned
// information
{
printf("%d bytes needed for the buffer.\n",
cbSignerCertInfo);
}
else
{
MyHandleError("Verify SIGNER_CERT_INFO #1 failed.");
}
//---------------------------------------------------------------
// Allocate memory.
if(!(pSignerCertInfo = (PCERT_INFO) malloc(cbSignerCertInfo)))
{
MyHandleError("Verify memory allocation failed.");
}
//---------------------------------------------------------------
// Get the message certificate information (CERT_INFO
// structure).
if(!(CryptMsgGetParam(
hMsg, // handle to the message
CMSG_SIGNER_CERT_INFO_PARAM, // parameter type
0, // index
pSignerCertInfo, // address for returned
// information
&cbSignerCertInfo))) // size of the returned
// information
{
MyHandleError("Verify SIGNER_CERT_INFO #2 failed");
}
//---------------------------------------------------------------
// Open a certificate store in memory using CERT_STORE_PROV_MSG,
// which initializes it with the certificates from the message.
if(hStoreHandle = CertOpenStore(
CERT_STORE_PROV_MSG, // store provider type
MY_ENCODING_TYPE, // encoding type
NULL, // cryptographic provider
// use NULL for the default
0, // flags
hMsg)) // handle to the message
{
printf("The certificate store to be used for message " \
"verification has been opened.\n");
}
else
{
MyHandleError("Verify open store failed");
}
//---------------------------------------------------------------
// Find the signer's certificate in the store.
if(pSignerCertContext = CertGetSubjectCertificateFromStore(
hStoreHandle, // handle to the store
MY_ENCODING_TYPE, // encoding type
pSignerCertInfo)) // pointer to retrieved CERT_CONTEXT
{
if(CertGetNameString(
pSignerCertContext,
CERT_NAME_SIMPLE_DISPLAY_TYPE,
0,
NULL,
pszNameString,
MAX_NAME) > 1)
{
wprintf(L"The message signer is %s \n",pszNameString);
}
else
{
MyHandleError("Getting the signer's name failed.\n");
}
}
else
{
MyHandleError("Verify GetSubjectCert failed");
}
//---------------------------------------------------------------
// Use the CERT_INFO from the signer certificate to verify
// the signature.
if(CryptMsgControl(
hMsg,
0,
CMSG_CTRL_VERIFY_SIGNATURE,
pSignerCertContext->pCertInfo))
{
printf("Verify signature succeeded. \n");
}
else
{
printf("The signature was not verified. \n");
DWORD const errcode = GetLastError();
std::wcerr << format_sys_message<TCHAR>(errcode) << TEXT("\n");
ReportFailure();
}
//---------------------------------------------------------------
// Clean up.
if(pEncodedBlob->pbData)
{
free(pEncodedBlob->pbData);
pEncodedBlob->pbData = NULL;
}
if(pbDecoded)
{
free(pbDecoded);
}
if(pSignerCertInfo)
{
free(pSignerCertInfo);
}
if(pSignerCertContext)
{
CertFreeCertificateContext(pSignerCertContext);
}
if(hStoreHandle)
{
CertCloseStore(hStoreHandle, CERT_CLOSE_STORE_FORCE_FLAG);
}
if(hMsg)
{
CryptMsgClose(hMsg);
}
}
