 | | | RT Shader writing problem | RT Shader writing problem 2004-06-23 - By André Adam
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Hi!
One of our programmers encountered some problems while rewriting our
inhouse Realtime Shaders to match the new RTS2 structure. Perhaps
someone on the list can shed some light here?
-Andr�
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Hi,
we have a problem with the realtimeshaders.
How is the order of the elements in the "property page
parameters"-structure
defined?
First we thought the order must be the same as the order the parameters are
defined in the SPDL-File. But we encountered errors.
Then we had a look at the examples (again). And now we have no clue
how the order is defined.
Have a look at "OGLTexture.cpp" and "OGLT2D.spdl".
(Both can be found in XSI_4.0\XSISDK\examples\realtimeshader\OpenGL\src)
In "OGLTexture.cpp" you will find this structure the "in_pParams" will
be casted to.
typedef struct tagOGLT2DPPG
{
LONG enable;
LONG projection;
LONG modulation;
LONG refmap;
LONG wrapS;
LONG wrapT;
LONG magnification;
LONG minification;
XSI_RTS_Texture header;
} OGLT2DPPG;
But you won't find this kind of order in the SDPL-File.
The example compiles and works.
The SDK-Docs won't help either. Will you?
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