Name
textureQueryLevels — compute the number of accessible mipmap levels of a texture
Declaration
vec2 textureQueryLevels( | gsampler1D | sampler) ; |
vec2 textureQueryLevels( | gsampler2D | sampler) ; |
vec2 textureQueryLevels( | gsampler3D | sampler) ; |
vec2 textureQueryLevels( | gsamplerCube | sampler) ; |
vec2 textureQueryLevels( | gsampler1DArray | sampler) ; |
vec2 textureQueryLevels( | gsampler2DDArray | sampler) ; |
vec2 textureQueryLevels( | gsamplerCubeArray | sampler) ; |
vec2 textureQueryLevels( | gsampler1DShadow | sampler) ; |
vec2 textureQueryLevels( | gsampler2DShadow | sampler) ; |
vec2 textureQueryLevels( | gsamplerCubeShadow | sampler) ; |
vec2 textureQueryLevels( | gsampler1DArrayShadow | sampler) ; |
vec2 textureQueryLevels( | gsampler2DArrayShadow | sampler) ; |
vec2 textureQueryLevels( | gsamplerCubeArrayShadow | sampler) ; |
Parameters
sampler
Specifies the sampler to which the texture whose mipmap level count will be queried is bound.
Description
textureQueryLevels
returns the number of accessible mipmap levels
are in the texture associated with sampler
.
If called on an incomplete texture, or if no texture is associated with sampler
, zero is returned.
See Also
texelFetch,
texelFetchOffset,
texture,
textureGather,
textureGatherOffset,
textureGatherOffsets,
textureGrad,
textureGradOffset,
textureLod,
textureLodOffset,
textureOffset,
textureProj,
textureProjGrad,
textureProjGradOffset,
textureProjLod,
textureProjLodOffset,
textureProjOffset,
textureSize
Copyright
Copyright © 2012 Khronos Group.
This material may be distributed subject to the terms and conditions set forth in
the Open Publication License, v 1.0, 8 June 1999.
http://opencontent.org/openpub/.