summaryrefslogtreecommitdiffstats
path: root/src/gallium
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium')
-rw-r--r--src/gallium/drivers/r600/evergreen_state.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c
index 629385075b2..76a3e0e441a 100644
--- a/src/gallium/drivers/r600/evergreen_state.c
+++ b/src/gallium/drivers/r600/evergreen_state.c
@@ -572,11 +572,19 @@ static void *evergreen_create_sampler_state(struct pipe_context *ctx,
unsigned max_aniso = rscreen->force_aniso >= 0 ? rscreen->force_aniso
: state->max_anisotropy;
unsigned max_aniso_ratio = r600_tex_aniso_filter(max_aniso);
+ float max_lod = state->max_lod;
if (!ss) {
return NULL;
}
+ /* If the min_mip_filter is NONE, then the texture has no mipmapping and
+ * MIP_FILTER will also be set to NONE. However, if more then one LOD is
+ * configured, then the texture lookup seems to fail for some specific texture
+ * formats. Forcing the number of LODs to one in this case fixes it. */
+ if (state->min_mip_filter == PIPE_TEX_MIPFILTER_NONE)
+ max_lod = state->min_lod;
+
ss->border_color_use = sampler_state_needs_border_color(state);
/* R_03C000_SQ_TEX_SAMPLER_WORD0_0 */
@@ -593,7 +601,7 @@ static void *evergreen_create_sampler_state(struct pipe_context *ctx,
/* R_03C004_SQ_TEX_SAMPLER_WORD1_0 */
ss->tex_sampler_words[1] =
S_03C004_MIN_LOD(S_FIXED(CLAMP(state->min_lod, 0, 15), 8)) |
- S_03C004_MAX_LOD(S_FIXED(CLAMP(state->max_lod, 0, 15), 8));
+ S_03C004_MAX_LOD(S_FIXED(CLAMP(max_lod, 0, 15), 8));
/* R_03C008_SQ_TEX_SAMPLER_WORD2_0 */
ss->tex_sampler_words[2] =
S_03C008_LOD_BIAS(S_FIXED(CLAMP(state->lod_bias, -16, 16), 8)) |