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i965/gs: Check newly-generated GS-out VUE map against correct stage

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Previously, we compared our new GS-out VUE map to the existing *VS*-out
VUE map, which is bogus.

This would mostly manifest as redundant dirty flagging where the GS is
in use but the VS and GS output layouts differ; but there is a scary
case where we would fail to flag a GS-out layout change if it happened
to match the VS-out layout.

Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
Cc: "10.5, 10.4" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=88885
(cherry picked from commit b51ff50a76)
This commit is contained in:
Chris Forbes 2015-02-28 19:57:20 +13:00 • committed by Emil Velikov
parent f5fbed4831
commit b730f6e18e
1 changed files with 1 additions and 1 deletions
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2
src/mesa/drivers/dri/i965/brw_gs.c
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@ -351,7 +351,7 @@ brw_upload_gs_prog(struct brw_context *brw)
}
brw->gs.base.prog_data = &brw->gs.prog_data->base.base;
if (memcmp(&brw->vs.prog_data->base.vue_map, &brw->vue_map_geom_out,
if (memcmp(&brw->gs.prog_data->base.vue_map, &brw->vue_map_geom_out,
sizeof(brw->vue_map_geom_out)) != 0) {
brw->vue_map_geom_out = brw->gs.prog_data->base.vue_map;
brw->state.dirty.brw |= BRW_NEW_VUE_MAP_GEOM_OUT;