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Asked: 2026-06-14T01:43:05+00:00

What would be the CG equivalent of the GLSL function texelFetchOffset ?

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What would be the CG equivalent of the GLSL function texelFetchOffset?

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  1. Editorial Team

    According to nVidia documentation:

    tex2Dfetch – performs an unfiltered texture lookup in a given sampler.

    Use one of these overloads:

    float4 tex2Dfetch(sampler2D samp, int4 s)
float4 tex2Dfetch(sampler2D samp, int4 s, int texelOff)

int4 tex2Dfetch(isampler2D samp, int4 s)
int4 tex2Dfetch(isampler2D samp, int4 s, int texelOff)

unsigned int4 tex2Dfetch(usampler2D samp, int4 s)
unsigned int4 tex2Dfetch(usampler2D samp, int4 s, int texelOff)

    Parameters

    samp
    Sampler to lookup. 
s
    Coordinates to perform the lookup. 
    The level of detail is stored in the last component of the coordinate vector. 
texelOff
    Offset to be added to obtain the final texel.
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