Mesa (master): mesa: enable msaa in clear_with_quad if needed
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Thu Oct 31 11:31:37 UTC 2019
Module: Mesa
Branch: master
Commit: 8a723282e3f7a312ab0ca3aa9157e5b76ec182af
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=8a723282e3f7a312ab0ca3aa9157e5b76ec182af
Author: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer at amd.com>
Date: Tue Oct 29 19:45:48 2019 +0100
mesa: enable msaa in clear_with_quad if needed
If the DrawBuffer sample count is > 1 and msaa is enabled we must also
enable msaa when clearing it.
Fixes: ea5b7de138b ("radeonsi: make gl_SampleMaskIn = 0x1 when MSAA is disabled")
Closes: https://gitlab.freedesktop.org/mesa/mesa/issues/1991
Reviewed-by: Marek Olšák <marek.olsak at amd.com>
Tested-by: Witold Baryluk <witold.baryluk at gmail.com>
---
src/mesa/state_tracker/st_cb_clear.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/src/mesa/state_tracker/st_cb_clear.c b/src/mesa/state_tracker/st_cb_clear.c
index 06fb9798c68..1e28e27586a 100644
--- a/src/mesa/state_tracker/st_cb_clear.c
+++ b/src/mesa/state_tracker/st_cb_clear.c
@@ -325,6 +325,7 @@ clear_with_quad(struct gl_context *ctx, unsigned clear_buffers)
cso_set_stream_outputs(cso, 0, NULL, NULL);
cso_set_sample_mask(cso, ~0);
cso_set_min_samples(cso, 1);
+ st->clear.raster.multisample = st->state.fb_num_samples > 1;
cso_set_rasterizer(cso, &st->clear.raster);
/* viewport state: viewport matching window dims */
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