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mesa: fix off by one in MSRTT handling

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The actual number of samples chosen is allowed to equal the number
requested, but currently we just check for sample counts greater
than the request.

Fixes: 894b37e060 ("mesa: fix sample count handling for MSRTT")
Reviewed-By: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36878>
This commit is contained in:
Eric R. Smith
2025-08-20 09:41:46 -03:00
committed by Marge Bot
parent 3362b8dcb5
commit 095d1b6bcc
1 changed files with 1 additions and 1 deletions
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src/mesa/main/renderbuffer.c
+1 -1
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@@ -627,7 +627,7 @@ _mesa_update_renderbuffer_surface(struct gl_context *ctx,
than or equal to samples and no more than the next larger sample count
supported by the implementation.
*/
for (unsigned i = rb->rtt_nr_samples + 1; i <= ctx->Const.MaxFramebufferSamples; i++) {
for (unsigned i = rb->rtt_nr_samples; i <= ctx->Const.MaxFramebufferSamples; i++) {
if (!ctx->st->screen->is_format_supported(ctx->st->screen, format, resource->target, i, i, resource->bind))
continue;
nr_samples = i;