Mesa (main): llvmpipe: add some extra linear rast checks.

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Module: Mesa
Branch: main
Commit: f90b6c875a6cf484af433057b8be69da49bab95e
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=f90b6c875a6cf484af433057b8be69da49bab95e

Author: Dave Airlie <airlied at redhat.com>
Date:   Fri May 14 10:33:08 2021 +1000

llvmpipe: add some extra linear rast checks.

Reviewed-by: Roland Scheidegger <sroland at vmware.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11969>

---

 src/gallium/drivers/llvmpipe/lp_state_derived.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/llvmpipe/lp_state_derived.c b/src/gallium/drivers/llvmpipe/lp_state_derived.c
index 3baf509a73c..d30d619d874 100644
--- a/src/gallium/drivers/llvmpipe/lp_state_derived.c
+++ b/src/gallium/drivers/llvmpipe/lp_state_derived.c
@@ -181,7 +181,8 @@ check_linear_rasterizer( struct llvmpipe_context *lp )
    boolean single_vp;
    boolean clipping_changed = FALSE;
 
-   bgr8 = (lp->framebuffer.nr_cbufs == 1 &&
+   bgr8 = (lp->framebuffer.nr_cbufs == 1 && lp->framebuffer.cbufs[0] &&
+           lp->framebuffer.cbufs[0]->texture->nr_samples == 1 &&
            lp->framebuffer.cbufs[0]->texture->target == PIPE_TEXTURE_2D &&
            (lp->framebuffer.cbufs[0]->format == PIPE_FORMAT_B8G8R8A8_UNORM ||
             lp->framebuffer.cbufs[0]->format == PIPE_FORMAT_B8G8R8X8_UNORM));