iris: correct dst alpha blend factor in Wa_14018912822

Fixes: 0e9a26372bb4 ("iris: implement Wa_14018912822")
Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25424>

diff --git a/src/gallium/drivers/iris/iris_state.c b/src/gallium/drivers/iris/iris_state.c
index 7a40805..03e32a6 100644 (file)
--- a/src/gallium/drivers/iris/iris_state.c
+++ b/src/gallium/drivers/iris/iris_state.c
@@ -6582,7 +6582,7 @@ iris_upload_dirty_render_state(struct iris_context *ice,
                   color_blend_zero = true;
                }
                if (dst_alpha_blend_factor == BLENDFACTOR_ZERO) {
-                  dst_alpha_blend_factor = BLENDFACTOR_CONST_COLOR;
+                  dst_alpha_blend_factor = BLENDFACTOR_CONST_ALPHA;
                   alpha_blend_zero = true;
                }
             }
@@ -7205,7 +7205,7 @@ iris_upload_dirty_render_state(struct iris_context *ice,
          if (ice->state.color_blend_zero)
             dst_blend_factor = BLENDFACTOR_CONST_COLOR;
          if (ice->state.alpha_blend_zero)
-            dst_alpha_blend_factor = BLENDFACTOR_CONST_COLOR;
+            dst_alpha_blend_factor = BLENDFACTOR_CONST_ALPHA;
       }
 
       uint32_t dynamic_pb[GENX(3DSTATE_PS_BLEND_length)];