From 3b2a291888d8e62787de03f8529806fb562bd186 Mon Sep 17 00:00:00 2001 From: Brian Date: Sat, 16 Feb 2008 13:50:31 -0700 Subject: gallium: tweak texture filter min/mag thresholds --- src/gallium/drivers/softpipe/sp_tex_sample.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'src/gallium') diff --git a/src/gallium/drivers/softpipe/sp_tex_sample.c b/src/gallium/drivers/softpipe/sp_tex_sample.c index c0128f81d71..a15bd43166d 100644 --- a/src/gallium/drivers/softpipe/sp_tex_sample.c +++ b/src/gallium/drivers/softpipe/sp_tex_sample.c @@ -474,7 +474,6 @@ choose_mipmap_levels(struct tgsi_sampler *sampler, { if (sampler->state->min_mip_filter == PIPE_TEX_MIPFILTER_NONE) { /* no mipmap selection needed */ - *imgFilter = sampler->state->mag_img_filter; *level0 = *level1 = (int) sampler->state->min_lod; if (sampler->state->min_img_filter != sampler->state->mag_img_filter) { @@ -482,13 +481,16 @@ choose_mipmap_levels(struct tgsi_sampler *sampler, * minification or magnification. */ float lambda = compute_lambda(sampler, s, t, p, lodbias); - if (lambda < 0.5) { /* XXX this may need tweaking... */ + if (lambda <= 0.0) { *imgFilter = sampler->state->mag_img_filter; } else { *imgFilter = sampler->state->min_img_filter; } } + else { + *imgFilter = sampler->state->mag_img_filter; + } } else { float lambda; @@ -500,7 +502,7 @@ choose_mipmap_levels(struct tgsi_sampler *sampler, /* vertex shader */ lambda = lodbias; /* not really a bias, but absolute LOD */ - if (lambda < 0.0) { /* XXX threshold depends on the filter */ + if (lambda <= 0.0) { /* XXX threshold depends on the filter */ /* magnifying */ *imgFilter = sampler->state->mag_img_filter; *level0 = *level1 = 0; -- cgit v1.2.3