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.. _sampler:
Sampler
=======
Texture units have many options for selecting texels from loaded textures;
this state controls an individual texture unit's texel-sampling settings.
Texture coordinates are always treated as four-dimensional, and referred to
with the traditional (S, T, R, Q) notation.
Members
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wrap_s
How to wrap the S coordinate. One of PIPE_TEX_WRAP.
wrap_t
How to wrap the T coordinate. One of PIPE_TEX_WRAP.
wrap_r
How to wrap the R coordinate. One of PIPE_TEX_WRAP.
min_img_filter
The filter to use when minifying texels. One of PIPE_TEX_FILTER.
min_mip_filter
The filter to use when minifying mipmapped textures. One of
PIPE_TEX_FILTER.
mag_img_filter
The filter to use when magnifying texels. One of PIPE_TEX_FILTER.
compare_mode
If set to PIPE_TEX_COMPARE_R_TO_TEXTURE, texture output is computed
according to compare_func, using r coord and the texture value as operands.
If set to PIPE_TEX_COMPARE_NONE, no comparison calculation is performed.
compare_func
How the comparison is computed. One of PIPE_FUNC.
normalized_coords
Whether the texture coordinates are normalized. If normalized, they will
always be in [0, 1]. If not, they will be in the range of each dimension
of the loaded texture.
lod_bias
The bias to apply to the level of detail.
min_lod
Minimum level of detail, used to clamp LoD after bias.
max_lod
Maximum level of detail, used to clamp LoD after bias.
border_color
RGBA color used for out-of-bounds coordinates.
max_anisotropy
Maximum filtering to apply anisotropically to textures. Setting this to
1.0 effectively disables anisotropic filtering.
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