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.rm #[ #] #H #V #F C
.IX Title "texBUFsize Cg"
.TH texBUFsize Cg "" "Cg Toolkit 2.2" "Cg Standard Library"
.UC
.SH "NAME"
\&\fBtexBUFsize\fR \- returns the size of a given texture image for a given level of detail.
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\&  int3 texBUFsize(samplerBUF samp, int lod)
.Ve
.Vb 1
\&  int3 texBUFsize(isamplerBUF samp, int lod)
.Ve
.Vb 1
\&  int3 texBUFsize(usamplerBUF samp, int lod)
.Ve
.SH "PARAMETERS"
.IX Header "PARAMETERS"
.Ip "samp" 8
.IX Item "samp"
Sampler to be queried for size.
.Ip "lod" 8
.IX Item "lod"
Level of detail to obtain size.
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
Given a sampler and a level of detail the size (width in \fIx\fR, height in
\&\fIy\fR, and depth in \fIz\fR) of the corresponding texture buffer is returned
as the result of the operation.
.PP
Because texture buffers lack mipmaps, the \fIlod\fR parameter is unused.
.PP
Texture buffer samplers are created with the \fBEXT_texture_buffer_object\fR
extension.  See:
.PP
.Vb 1
\&  http://developer.download.nvidia.com/opengl/specs/GL_EXT_texture_buffer_object.txt
.Ve
Texture buffer object samplers roughly correspond to the \fItbuffer\fR
functionality of DirectX 10.
.SH "PROFILE SUPPORT"
.IX Header "PROFILE SUPPORT"
\&\fBtexBUF\fR is supported in gp4vp, gp4gp, and
gp4fp profiles.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
tex1Dsize, texBUF
