Name

texBUF - performs an unfiltered texture lookup in a given texture buffer sampler.

Synopsis

float4 texBUF(samplerBUF samp, int s)

int4 texBUF(isamplerBUF samp, int s)

unsigned int4 texBUF(usamplerBUF samp, int s)

Parameters

samp

Sampler to lookup.

s

Coordinates to perform the lookup.

Description

Performs an unfiltered texture lookup in texture buffer sampler samp using coordinates s.

Texture buffer samplers are created with the EXT_texture_buffer_object extension. See:

  http://developer.download.nvidia.com/opengl/specs/GL_EXT_texture_buffer_object.txt

Texture buffer object samplers roughly correspond to the tbuffer functionality of DirectX 10.

Profile Support

texBUF is supported in gp4vp, gp4gp, and gp4fp profiles.

See Also

tex1D, texBUFsize