Name
texRBUF - performs an unfiltered multisample texture lookup in a given renderbuffer sampler.
Synopsis
float4 texRBUF(samplerBUF samp, int2 c, int s)
int4 texRBUF(isamplerBUF samp, int2 c, int s)
uint4 texBUF(usamplerRBUF samp, int2 c, int s)
Parameters
- samp
-
Sampler to lookup.
- c
-
Coordinates to perform the lookup.
- s
-
sample within a multi-sampled renderbuffer.
Description
Performs an unfiltered multisample texture lookup in renderbuffer sampler samp
using coordinates c and sample s.
Renderbuffer samplers are created with the NV_eplicit_multisample
extension. See:
http://www.opengl.org/registry/specs/NV/explicit_multisample.txt
Profile Support
texRBUF is supported in gp4, gp5, and glsl profiles.
See Also
texRBUFsize
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