diff options
| author | Marek Olšák <[email protected]> | 2010-01-16 00:48:53 +0100 |
|---|---|---|
| committer | Corbin Simpson <[email protected]> | 2010-01-17 01:01:25 -0800 |
| commit | 21f3bbf1495ce44ecde4f353fed9f85e6e0fdd2d (patch) | |
| tree | 998ac320fe2ab8d476622140c9968a73c67c5107 | |
| parent | 37897a65e27842bbbfe32c37d2fcf775a5c127eb (diff) | |
r300g: disable the MIP filter for NPOT textures
Safety first.
| -rw-r--r-- | src/gallium/drivers/r300/r300_emit.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/src/gallium/drivers/r300/r300_emit.c b/src/gallium/drivers/r300/r300_emit.c index 9f93327e598..11bd3346c79 100644 --- a/src/gallium/drivers/r300/r300_emit.c +++ b/src/gallium/drivers/r300/r300_emit.c @@ -705,12 +705,18 @@ void r300_emit_texture(struct r300_context* r300, filter0 |= R300_TX_WRAP_T(R300_TX_CLAMP_TO_EDGE); } - /* determine min/max levels */ - /* the MAX_MIP level is the largest (finest) one */ - max_level = MIN2(sampler->max_lod, tex->tex.last_level); - min_level = MIN2(sampler->min_lod, max_level); - format0 |= R300_TX_NUM_LEVELS(max_level); - filter0 |= R300_TX_MAX_MIP_LEVEL(min_level); + if (tex->is_npot) { + /* NPOT textures don't support mip filter, unfortunately. + * This prevents incorrect rendering. */ + filter0 &= ~R300_TX_MIN_FILTER_MIP_MASK; + } else { + /* determine min/max levels */ + /* the MAX_MIP level is the largest (finest) one */ + max_level = MIN2(sampler->max_lod, tex->tex.last_level); + min_level = MIN2(sampler->min_lod, max_level); + format0 |= R300_TX_NUM_LEVELS(max_level); + filter0 |= R300_TX_MAX_MIP_LEVEL(min_level); + } BEGIN_CS(16); OUT_CS_REG(R300_TX_FILTER0_0 + (offset * 4), filter0 | |