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authormarha <marha@users.sourceforge.net>2011-04-10 18:43:19 +0000
committermarha <marha@users.sourceforge.net>2011-04-10 18:43:19 +0000
commit2fb58f16eeec8ef3ec2a25e246477aab64e38a7d (patch)
treea4dbbe4f2c9a6524e99452ab43c972d5dbfa015f /mesalib/src/mesa/state_tracker/st_atom_sampler.c
parentde1c6801fc854692d39fb2f8d53bf54ab25a1287 (diff)
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mesa git update
Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_atom_sampler.c')
-rw-r--r--mesalib/src/mesa/state_tracker/st_atom_sampler.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_atom_sampler.c b/mesalib/src/mesa/state_tracker/st_atom_sampler.c
index d1ab1ac3e..48b94500d 100644
--- a/mesalib/src/mesa/state_tracker/st_atom_sampler.c
+++ b/mesalib/src/mesa/state_tracker/st_atom_sampler.c
@@ -166,12 +166,11 @@ update_samplers(struct st_context *st)
sampler->lod_bias = st->ctx->Texture.Unit[texUnit].LodBias +
texobj->LodBias;
- sampler->min_lod = texobj->BaseLevel + texobj->MinLod;
- if (sampler->min_lod < texobj->BaseLevel)
- sampler->min_lod = texobj->BaseLevel;
-
- sampler->max_lod = MIN2((GLfloat) texobj->MaxLevel,
- (texobj->MaxLod + texobj->BaseLevel));
+ sampler->min_lod = CLAMP(texobj->MinLod,
+ 0.0f,
+ (GLfloat) texobj->MaxLevel - texobj->BaseLevel);
+ sampler->max_lod = MIN2((GLfloat) texobj->MaxLevel - texobj->BaseLevel,
+ texobj->MaxLod);
if (sampler->max_lod < sampler->min_lod) {
/* The GL spec doesn't seem to specify what to do in this case.
* Swap the values.