DECLARATION
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vec2 textureQueryLod(gsampler1D sampler, float P);
- vec2 textureQueryLod(gsampler2D sampler, vec2 P);
- vec2 textureQueryLod(gsampler3D sampler, vec3 P);
- vec2 textureQueryLod(gsamplerCube sampler, vec3 P);
- vec2 textureQueryLod(gsampler1DArray sampler, float P);
- vec2 textureQueryLod(gsampler2DDArray sampler, vec2 P);
- vec2 textureQueryLod(gsamplerCubeArray sampler, vec3 P);
- vec2 textureQueryLod(gsampler1DShadow sampler, float P);
- vec2 textureQueryLod(gsampler2DShadow sampler, vec2 P);
- vec2 textureQueryLod(gsamplerCubeShadow sampler, vec3 P);
- vec2 textureQueryLod(gsampler1DArrayShadow sampler, float P);
- vec2 textureQueryLod(gsampler2DArrayShadow sampler, vec2 P);
- vec2 textureQueryLod(gsamplerCubeArrayShadow sampler, vec3 P);
- vec2 textureQueryLod(gsampler2D sampler, vec2 P);
PARAMETERS
sampler
-
- Specifies the sampler to which the texture whose level-of-detail will be queried is bound.
P
- Specifies the texture coordinates at which the level-of-detail will be queried.
DESCRIPTION
Available only in the fragment shader, textureQueryLod computes the level-of-detail that would be used to sample from a texture. The mipmap array(s) that would be accessed is returned in the x component of the return value. The computed level-of-detail relative to the base level is returned in the y component of the return value.
If called on an incomplete texture, the result of the operation is undefined.
VERSION SUPPORT
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OpenGL Shading Language Version
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Function Name | 1.10 | 1.20 | 1.30 | 1.40 | 1.50 | 3.30 | 4.00 | 4.10 | 4.20 | 4.30 | 4.40 |
4.50
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textureQueryLod | - | - | - | - | - | - | ✔ | ✔ | ✔ | ✔ | ✔ |
✔
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COPYRIGHT
Copyright © 2011-2014 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. m[blue]http://opencontent.org/openpub/m[].
COPYRIGHT
Copyright © 2011-2014 Khronos Group