D2DGetInput function
Returns the color of input N at the input coordinate. Only available for simple inputs.
Syntax
float4 WINAPI D2DGetInput(
in uint N
);
Parameters
-
N [in]
-
The input number.
Return value
The function returns a float4, containing the RGBA color in the format INPUTN.
Remarks
The following example shows the function being used as part of an arithmetic composite effect.
D2D_PS_ENTRY(PS_NAME)
{
MIN_TYPE(float4) sourceColor = D2DGetInput(0);
MIN_TYPE(float4) destColor = D2DGetInput(1);
MIN_TYPE(float4) output = // TODO: add math to composite source and dest
return output;
}
Also, refer to the remarks for D2D_PS_ENTRY for another example of the use of this function.
Requirements
Requirement | Value |
---|---|
Header |
|
DLL |
|