//---------------------------------------------------------------------
bool D3D11DepthBuffer::isCompatible( RenderTarget *renderTarget ) const
{
//TODO:
//Urgh! This bit of "isTexture" is a bit ugly and potentially unsafe
bool isTexture = true;
renderTarget->getCustomAttribute( "isTexture", &isTexture );
ID3D11Texture2D *D3D11texture;
if( isTexture )
{
D3D11HardwarePixelBuffer *pBuffer;
renderTarget->getCustomAttribute( "BUFFER", &pBuffer );
D3D11texture = static_cast<ID3D11Texture2D*>( pBuffer->getParentTexture()->getTextureResource() );
}
else
{
renderTarget->getCustomAttribute( "ID3D11Texture2D", &D3D11texture );
}
D3D11_TEXTURE2D_DESC BBDesc;
D3D11texture->GetDesc( &BBDesc );
//TODO: Needs to check format too!
if( mFsaa == BBDesc.SampleDesc.Count &&
mMultiSampleQuality == BBDesc.SampleDesc.Quality &&
this->getWidth() == renderTarget->getWidth() &&
this->getHeight() == renderTarget->getHeight() )
{
return true;
}
return false;
}
//---------------------------------------------------------------------
bool D3D11DepthBuffer::isCompatible( RenderTarget *renderTarget ) const
{
D3D11_TEXTURE2D_DESC BBDesc;
bool isTexture = false;
renderTarget->getCustomAttribute( "isTexture", &isTexture );
if(isTexture)
{
ID3D11Texture2D *D3D11texture;
D3D11HardwarePixelBuffer *pBuffer;
renderTarget->getCustomAttribute( "BUFFER", &pBuffer );
D3D11texture = static_cast<ID3D11Texture2D*>( pBuffer->getParentTexture()->getTextureResource() );
D3D11texture->GetDesc(&BBDesc);
}
else
{
ID3D11Texture2D* pBack[OGRE_MAX_MULTIPLE_RENDER_TARGETS];
memset( pBack, 0, sizeof(pBack) );
renderTarget->getCustomAttribute( "DDBACKBUFFER", &pBack );
if( pBack[0] )
{
pBack[0]->GetDesc(&BBDesc);
}
else
{
ID3D11Texture2D *D3D11texture;
renderTarget->getCustomAttribute( "ID3D11Texture2D", &D3D11texture );
D3D11texture->GetDesc( &BBDesc );
}
}
/*
ID3D11Texture2D *D3D11texture = NULL;
renderTarget->getCustomAttribute( "ID3D11Texture2D", &D3D11texture );
D3D11_TEXTURE2D_DESC BBDesc;
D3D11texture->GetDesc( &BBDesc );
*/
//RenderSystem will determine if bitdepths match (i.e. 32 bit RT don't like 16 bit Depth)
//This is the same function used to create them. Note results are usually cached so this should
//be quick
//TODO: Needs to check format too!
if( mFsaa == BBDesc.SampleDesc.Count &&
mMultiSampleQuality == BBDesc.SampleDesc.Quality &&
this->getWidth() == renderTarget->getWidth() &&
this->getHeight() == renderTarget->getHeight() )
{
return true;
}
return false;
}
//---------------------------------------------------------------------
void D3D11MultiRenderTarget::bindSurfaceImpl(size_t attachment, RenderTexture *target)
{
assert(attachment<OGRE_MAX_MULTIPLE_RENDER_TARGETS);
/// Get buffer and surface to bind to
D3D11HardwarePixelBuffer *buffer = 0;
target->getCustomAttribute("BUFFER", &buffer);
assert(buffer);
/// Find first non-null target
int y;
for(y=0; y<OGRE_MAX_MULTIPLE_RENDER_TARGETS && !targets[y]; ++y) ;
if(y!=OGRE_MAX_MULTIPLE_RENDER_TARGETS)
{
/// If there is another target bound, compare sizes
if(targets[y]->getWidth() != buffer->getWidth() ||
targets[y]->getHeight() != buffer->getHeight() ||
PixelUtil::getNumElemBits(targets[y]->getFormat()) !=
PixelUtil::getNumElemBits(buffer->getFormat()))
{
OGRE_EXCEPT(
Exception::ERR_INVALIDPARAMS,
"MultiRenderTarget surfaces are not of same size or bit depth",
"D3D11MultiRenderTarget::bindSurface"
);
}
}
targets[attachment] = buffer;
mRenderTargets[attachment] = target;
ID3D11RenderTargetView** v;
target->getCustomAttribute( "ID3D11RenderTargetView", &v );
mRenderTargetViews[attachment] = *v;
if(mNumberOfViews >= OGRE_MAX_MULTIPLE_RENDER_TARGETS)
mNumberOfViews++;
checkAndUpdate();
}