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| author | Brian Paul <brianp@vmware.com> | 2012-02-17 10:18:55 -0700 |
|---|---|---|
| committer | Brian Paul <brianp@vmware.com> | 2012-02-23 07:49:09 -0700 |
| commit | 810584270d5b34f6a130eac06a5529d616d82b0a (patch) | |
| tree | 700582cf7ba4bcc8b459d202972d7fddb210a767 /src/gallium/drivers/svga/svga_pipe_sampler.c | |
| parent | 0fffaa512cbd347af0b81571753d4da6dd58a81e (diff) | |
| download | external_mesa3d-810584270d5b34f6a130eac06a5529d616d82b0a.zip external_mesa3d-810584270d5b34f6a130eac06a5529d616d82b0a.tar.gz external_mesa3d-810584270d5b34f6a130eac06a5529d616d82b0a.tar.bz2 | |
svga: no-op sampler view referencing if no change
Just to be safe with ref counting and avoid atomic operations.
Diffstat (limited to 'src/gallium/drivers/svga/svga_pipe_sampler.c')
| -rw-r--r-- | src/gallium/drivers/svga/svga_pipe_sampler.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/src/gallium/drivers/svga/svga_pipe_sampler.c b/src/gallium/drivers/svga/svga_pipe_sampler.c index c1ea4f8..7675daa 100644 --- a/src/gallium/drivers/svga/svga_pipe_sampler.c +++ b/src/gallium/drivers/svga/svga_pipe_sampler.c @@ -225,12 +225,14 @@ svga_set_fragment_sampler_views(struct pipe_context *pipe, } for (i = 0; i < num; i++) { - /* Note: we're using pipe_sampler_view_release() here to work around - * a possible crash when the old view belongs to another context that - * was already destroyed. - */ - pipe_sampler_view_release(pipe, &svga->curr.sampler_views[i]); - pipe_sampler_view_reference(&svga->curr.sampler_views[i], views[i]); + if (svga->curr.sampler_views[i] != views[i]) { + /* Note: we're using pipe_sampler_view_release() here to work around + * a possible crash when the old view belongs to another context that + * was already destroyed. + */ + pipe_sampler_view_release(pipe, &svga->curr.sampler_views[i]); + pipe_sampler_view_reference(&svga->curr.sampler_views[i], views[i]); + } if (!views[i]) continue; |