etnaviv: mask correct channel for RB swapped rendertargets

Now that we support RB swapped targets by using a shader variant, we
must derive the color mask from both the blend state and the bound
framebuffer.

Fixes piglit: fbo-colormask-formats

Fixes: 7f62ffb68ad ("etnaviv: add support for rb swap")
Cc: [email protected]
Signed-off-by: Lucas Stach <[email protected]>
Reviewed-by: Christian Gmeiner <[email protected]>

1 files changed, 4 insertions, 0 deletions

diff --git a/src/gallium/drivers/etnaviv/etnaviv_state.c b/src/gallium/drivers/etnaviv/etnaviv_state.c
index cd9f974112d..fb7bb0f4c50 100644
--- a/src/gallium/drivers/etnaviv/etnaviv_state.c
+++ b/src/gallium/drivers/etnaviv/etnaviv_state.c
@@ -29,6 +29,7 @@
 
 #include "hw/common.xml.h"
 
+#include "etnaviv_blend.h"
 #include "etnaviv_clear_blit.h"
 #include "etnaviv_context.h"
 #include "etnaviv_format.h"
@@ -596,6 +597,9 @@ static const struct etna_state_updater etna_state_updates[] = {
    },
    {
       etna_shader_link, ETNA_DIRTY_SHADER,
+   },
+   {
+      etna_update_blend, ETNA_DIRTY_BLEND | ETNA_DIRTY_FRAMEBUFFER
    }
 };