diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_state.c')
| -rw-r--r-- | src/gallium/drivers/r300/r300_state.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/gallium/drivers/r300/r300_state.c b/src/gallium/drivers/r300/r300_state.c index 5422a2cc9c8..f2867675f0f 100644 --- a/src/gallium/drivers/r300/r300_state.c +++ b/src/gallium/drivers/r300/r300_state.c @@ -523,6 +523,11 @@ static void* state->mag_img_filter, state->min_mip_filter); + /* Unfortunately, r300-r500 don't support floating-point mipmap lods. */ + /* We must pass these to the emit function to clamp them properly. */ + sampler->min_lod = MAX2((unsigned)state->min_lod, 0); + sampler->max_lod = MAX2((unsigned)ceilf(state->max_lod), 0); + lod_bias = CLAMP((int)(state->lod_bias * 32), -(1 << 9), (1 << 9) - 1); sampler->filter1 |= lod_bias << R300_LOD_BIAS_SHIFT; |