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cso: check for no sampler view changes in cso_set_sampler_views() 

As we do for sampler states in single_sampler_done() and many other
CSO functions.

Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Reviewed-by: José Fonseca <jfonseca@vmware.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Brian Paul 2014-04-02 17:12:02 -06:00
parent ffa39ab067
commit 5a2f8b2c48
1 changed files with 8 additions and 3 deletions
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11
src/gallium/auxiliary/cso_cache/cso_context.c
View File

@ -1177,20 +1177,25 @@ cso_set_sampler_views(struct cso_context *ctx,
{
struct sampler_info *info = &ctx->samplers[shader_stage];
unsigned i;
boolean any_change = FALSE;
/* reference new views */
for (i = 0; i < count; i++) {
any_change |= info->views[i] != views[i];
pipe_sampler_view_reference(&info->views[i], views[i]);
}
/* unref extra old views, if any */
for (; i < info->nr_views; i++) {
any_change |= info->views[i] != NULL;
pipe_sampler_view_reference(&info->views[i], NULL);
}
/* bind the new sampler views */
ctx->pipe->set_sampler_views(ctx->pipe, shader_stage, 0,
MAX2(info->nr_views, count),
info->views);
if (any_change) {
ctx->pipe->set_sampler_views(ctx->pipe, shader_stage, 0,
MAX2(info->nr_views, count),
info->views);
}
info->nr_views = count;
}