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comments/code for min/max_lod - revisit someday

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Brian 2007-10-01 18:10:53 -06:00
parent 4c19f95a39
commit cdf99a9fad
1 changed files with 10 additions and 0 deletions
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10
src/mesa/state_tracker/st_atom_sampler.c
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@ -137,8 +137,18 @@ update_samplers(struct st_context *st)
sampler.mag_img_filter = gl_filter_to_img_filter(texobj->MagFilter); sampler.mag_img_filter = gl_filter_to_img_filter(texobj->MagFilter);
sampler.lod_bias = st->ctx->Texture.Unit[u].LodBias; sampler.lod_bias = st->ctx->Texture.Unit[u].LodBias;
#if 1
sampler.min_lod = texobj->MinLod; sampler.min_lod = texobj->MinLod;
sampler.max_lod = texobj->MaxLod; sampler.max_lod = texobj->MaxLod;
#else
/* min/max lod should really be as follows (untested).
* Also, calculate_first_last_level() needs to be overhauled
* since today's hardware had real support for LOD clamping.
*/
sampler.min_lod = MAX2(texobj->BaseLevel, texobj->MinLod);
sampler.max_lod = MIN2(texobj->MaxLevel, texobj->MaxLod);
#endif
sampler.max_anisotropy = texobj->MaxAnisotropy; sampler.max_anisotropy = texobj->MaxAnisotropy;
/* XXX more sampler state here */ /* XXX more sampler state here */