diff options
| -rw-r--r-- | src/gallium/drivers/r600/evergreen_state.c | 10 |
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)) | |