[Mesa-dev] [PATCH 1/2] nv50: make blending work so that zero wins in a multiplication

[Ilia Mirkin]

This matches nvc0 behavior, tested with the fbo-float-nan piglit.

Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
---
 src/gallium/drivers/nouveau/nv50/nv50_screen.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/gallium/drivers/nouveau/nv50/nv50_screen.c b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
index 5ee5a26b652..47c70d74e94 100644
--- a/src/gallium/drivers/nouveau/nv50/nv50_screen.c
+++ b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
@@ -771,6 +771,11 @@ nv50_screen_init_hwctx(struct nv50_screen *screen)
       PUSH_DATA (push, 0);
    }
 
+   BEGIN_NV04(push, NV50_3D(UNK0FDC), 1);
+   PUSH_DATA (push, 1);
+   BEGIN_NV04(push, NV50_3D(UNK19C0), 1);
+   PUSH_DATA (push, 1);
+
    PUSH_KICK (push);
 }
 
-- 
2.13.6