diff options
| author | Henri Verbeet <hverbeet@gmail.com> | 2011-01-17 22:03:30 +0100 |
|---|---|---|
| committer | Marek Olšák <maraeo@gmail.com> | 2011-04-08 04:44:21 +0200 |
| commit | 2ecb73379e4d88873cbe1cafdd056f7f687ea743 (patch) | |
| tree | 884f600162af58b7b9fdac26f3ad29b1446fadb1 | |
| parent | 7984c2d42de50d1a44ab9832c8370ff1dee1c0e7 (diff) | |
st/mesa: Set samplers views' first_level.
Base level and min LOD aren't equivalent. In particular, min LOD has no
effect on image array selection for magnification and non-mipmapped
minification.
Signed-off-by: Brian Paul <brianp@vmware.com>
| -rw-r--r-- | src/mesa/state_tracker/st_atom_sampler.c | 9 | ||||
| -rw-r--r-- | src/mesa/state_tracker/st_atom_texture.c | 4 |
2 files changed, 6 insertions, 7 deletions
diff --git a/src/mesa/state_tracker/st_atom_sampler.c b/src/mesa/state_tracker/st_atom_sampler.c index 5f1849dcd8..2b53741460 100644 --- a/src/mesa/state_tracker/st_atom_sampler.c +++ b/src/mesa/state_tracker/st_atom_sampler.c @@ -166,12 +166,9 @@ 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 = MAX2(0.0f, texobj->MinLod); + 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. diff --git a/src/mesa/state_tracker/st_atom_texture.c b/src/mesa/state_tracker/st_atom_texture.c index fd03669e66..6b9f969ac0 100644 --- a/src/mesa/state_tracker/st_atom_texture.c +++ b/src/mesa/state_tracker/st_atom_texture.c @@ -148,6 +148,7 @@ st_create_texture_sampler_view_from_stobj(struct pipe_context *pipe, u_sampler_view_default_template(&templ, stObj->pt, format); + templ.u.tex.first_level = stObj->base.BaseLevel; if (swizzle != SWIZZLE_NOOP) { templ.swizzle_r = GET_SWZ(swizzle, 0); @@ -248,7 +249,8 @@ update_textures(struct st_context *st) if (check_sampler_swizzle(stObj->sampler_view, stObj->base._Swizzle, stObj->base.DepthMode) || - (st_view_format != stObj->sampler_view->format)) + (st_view_format != stObj->sampler_view->format) || + stObj->base.BaseLevel != stObj->sampler_view->u.tex.first_level) pipe_sampler_view_reference(&stObj->sampler_view, NULL); sampler_view = st_get_texture_sampler_view_from_stobj(stObj, pipe, st_view_format); |