Mesa (master): nv50: fix max level clamping on G80
Ilia Mirkin
imirkin at kemper.freedesktop.org
Mon Jul 20 05:00:45 UTC 2015
Module: Mesa
Branch: master
Commit: 801d41fa43eba996c6bd7c071282ad15e51609d3
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=801d41fa43eba996c6bd7c071282ad15e51609d3
Author: Ilia Mirkin <imirkin at alum.mit.edu>
Date: Mon Jul 20 00:19:56 2015 -0400
nv50: fix max level clamping on G80
It appears that the G80 did not have support for the sampler view
first/last clamping. Put the view's last level in the place of the
texture's so that it doesn't go past what the sampler view allows.
Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
Cc: mesa-stable at lists.freedesktop.org
---
src/gallium/drivers/nouveau/nv50/nv50_tex.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/src/gallium/drivers/nouveau/nv50/nv50_tex.c b/src/gallium/drivers/nouveau/nv50/nv50_tex.c
index d69c8d6..17ae27f 100644
--- a/src/gallium/drivers/nouveau/nv50/nv50_tex.c
+++ b/src/gallium/drivers/nouveau/nv50/nv50_tex.c
@@ -71,6 +71,7 @@ nv50_create_texture_view(struct pipe_context *pipe,
uint32_t flags,
enum pipe_texture_target target)
{
+ const uint32_t class_3d = nouveau_context(pipe)->screen->class_3d;
const struct util_format_description *desc;
uint64_t addr;
uint32_t *tic;
@@ -201,11 +202,17 @@ nv50_create_texture_view(struct pipe_context *pipe,
tic[5] = (mt->base.base.height0 << mt->ms_y) & 0xffff;
tic[5] |= depth << 16;
- tic[5] |= mt->base.base.last_level << NV50_TIC_5_LAST_LEVEL__SHIFT;
+ if (class_3d > NV50_3D_CLASS)
+ tic[5] |= mt->base.base.last_level << NV50_TIC_5_LAST_LEVEL__SHIFT;
+ else
+ tic[5] |= view->pipe.u.tex.last_level << NV50_TIC_5_LAST_LEVEL__SHIFT;
tic[6] = (mt->ms_x > 1) ? 0x88000000 : 0x03000000; /* sampling points */
- tic[7] = (view->pipe.u.tex.last_level << 4) | view->pipe.u.tex.first_level;
+ if (class_3d > NV50_3D_CLASS)
+ tic[7] = (view->pipe.u.tex.last_level << 4) | view->pipe.u.tex.first_level;
+ else
+ tic[7] = 0;
if (unlikely(!(tic[2] & NV50_TIC_2_NORMALIZED_COORDS)))
if (mt->base.base.last_level)
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