void _initCgRuntime(ID3D11Device *dev)
{
if(gCgContext == nullptr) {
std::cout << "[CgRuntime] Initialize Cg-Runtime-Direct3D 11" << std::endl;
//qDebug("[Cg] Initialize Cg");
// register the error handler
cgSetErrorHandler( &_cgErrorHandler, NULL);
// create a new Cg Context
gCgContext = cgCreateContext();
HRESULT hr = cgD3D11SetDevice( gCgContext, dev);
if( hr != S_OK )
return;
// Register the default state assignment for OpenGL
//cgD3D11RegisterStates(gCgContext);
// This will allow the Cg runtime to manage texture binding
//cgD3D11SetManageTextureParameters(gCgContext, CG_TRUE);
gCgVertexShaderProfile = cgD3D11GetLatestVertexProfile();
if(gCgVertexShaderProfile == CG_PROFILE_UNKNOWN)
{
// ERROR
std::cout << "[CgRuntime] Error: Could not get valid Vertex-Profile." << std::endl;
return;
}
gCgGeometryShaderProfile = cgD3D11GetLatestGeometryProfile();
if(gCgGeometryShaderProfile == CG_PROFILE_UNKNOWN)
{
// WARNING
std::cout << "[CgRuntime] Warning: Could not get valid Geometry-Profile." << std::endl;
}
gCgFragmentShaderProfile = cgD3D11GetLatestPixelProfile();
if(gCgFragmentShaderProfile == CG_PROFILE_UNKNOWN)
{
// ERROR
std::cout << "[CgRuntime] Error: Could not get valid Fragment-Profile." << std::endl;
return;
}
profileOpts = cgD3D11GetOptimalOptions(gCgVertexShaderProfile);
}
}
CgShaderProgramD3D11::CgShaderProgramD3D11(
ShaderClass* Table, const EShaderTypes Type, const EShaderVersions Version) :
CgShaderProgram(Table, Type, Version)
{
switch (Type)
{
case SHADER_VERTEX:
cgProfile_ = cgD3D11GetLatestVertexProfile(); break;
case SHADER_PIXEL:
cgProfile_ = cgD3D11GetLatestPixelProfile(); break;
case SHADER_GEOMETRY:
cgProfile_ = cgD3D11GetLatestGeometryProfile(); break;
case SHADER_HULL:
cgProfile_ = cgD3D11GetLatestHullProfile(); break;
case SHADER_DOMAIN:
cgProfile_ = cgD3D11GetLatestDomainProfile(); break;
default:
io::Log::error("Invalid shader type for Cg profile");
break;
}
}