Mesa (master): svga: add 0.5 in float->int conversion of sample min/max lod
Brian Paul
brianp at kemper.freedesktop.org
Wed Jan 18 17:45:35 UTC 2012
Module: Mesa
Branch: master
Commit: 5abcd198b8e644c0d97c6766c6707e20fe22f0fb
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=5abcd198b8e644c0d97c6766c6707e20fe22f0fb
Author: Brian Paul <brianp at vmware.com>
Date: Wed Jan 18 10:05:25 2012 -0700
svga: add 0.5 in float->int conversion of sample min/max lod
This makes lod clamping more consistent with other drivers.
NOTE: This is a candidate for the 8.0 branch.
Reviewed-by: José Fonseca <jfonseca at vmware.com>
---
src/gallium/drivers/svga/svga_pipe_sampler.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/gallium/drivers/svga/svga_pipe_sampler.c b/src/gallium/drivers/svga/svga_pipe_sampler.c
index 4885d20..13c7b18 100644
--- a/src/gallium/drivers/svga/svga_pipe_sampler.c
+++ b/src/gallium/drivers/svga/svga_pipe_sampler.c
@@ -125,8 +125,8 @@ svga_create_sampler_state(struct pipe_context *pipe,
* - min/max LOD clamping
*/
cso->min_lod = 0;
- cso->view_min_lod = MAX2(sampler->min_lod, 0);
- cso->view_max_lod = MAX2(sampler->max_lod, 0);
+ cso->view_min_lod = MAX2((int) (sampler->min_lod + 0.5), 0);
+ cso->view_max_lod = MAX2((int) (sampler->max_lod + 0.5), 0);
/* Use min_mipmap */
if (svga->debug.use_min_mipmap) {
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