View Full Version : please help me......
i want to know how to write the code in pixel shader to compute the squared difference between pixels using the register combiners.
please help me i am in great need.
01-04-2004, 10:12 AM
I don't think your question i very valid in the beginners forum...
01-05-2004, 04:48 AM
you can't write a "pixel shader"(its acutally called "fragment shader" in openGL) to setup the register combiners.
register combiners are set up using various gxTexEnv calls.
take a look at following extensions:
for register combiners: http://oss.sgi.com/projects/ogl-sample/registry/NV/register_combiners.txt http://oss.sgi.com/projects/ogl-sample/registry/ARB/texture_env_combine.txt http://oss.sgi.com/projects/ogl-sample/registry/ARB/texture_env_crossbar.txt
for fragment programs: http://oss.sgi.com/projects/ogl-sample/registry/ARB/fragment_program.txt
01-05-2004, 11:12 AM
Moving thread to the shaders forum. Someone there may give you specific help.
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