public static ParameterInfo GetParameter(
this ID3DXEffectCompiler compiler,
IntPtr targetHandle,
int paramIndex)
{
VerifyNonNullArgument(
compiler,
"compiler");
var paramHandle = compiler.GetParameter(
targetHandle,
(uint)paramIndex);
var paramDesc_ = compiler.GetParameterDesc(paramHandle);
if (!paramDesc_.HasValue)
{
return(null);
}
var paramDesc = paramDesc_.Value;
var annotations =
from annotationIndex in Enumerable.Range(
0,
(int)paramDesc.Annotations)
let annotationHandle = compiler.GetAnnotation(
paramHandle,
(uint)annotationIndex)
let annotation =
annotationHandle == IntPtr.Zero
? String.Empty
: Marshal.PtrToStringAnsi(annotationHandle)
select annotation;
return(new ParameterInfo
{
Annotations = annotations.ToArray(),
Bytes = (int)paramDesc.Bytes,
Class = paramDesc.Class.ToParameterClass(),
Columns = (int)paramDesc.Columns,
Elements = (int)paramDesc.Elements,
Flags = paramDesc.Flags.ToParameterFlags(),
Name = paramDesc.Name.ReadAsAnsiString(),
Rows = (int)paramDesc.Rows,
Semantic = paramDesc.Semantic.ReadAsAnsiString(),
StructMembers = (int)paramDesc.StructMembers,
Type = paramDesc.Type.ToParameterType(),
});
}
public static D3DXPARAMETER_DESC?GetParameterDesc(
this ID3DXEffectCompiler compiler,
IntPtr parameterHandle)
{
VerifyNonNullArgument(
compiler,
"compiler");
var desc = default(D3DXPARAMETER_DESC);
return(Succeeded(
compiler.GetParameterDesc(
parameterHandle,
out desc))
? (D3DXPARAMETER_DESC?)desc
: null);
}