panfrost: do not report alpha-test as supported

This triggers lowering in the state-tracker, which makes things a bit
simpler.

Reviewed-by: Marek Olšák <[email protected]>

2 files changed, 3 insertions, 9 deletions

diff --git a/src/gallium/drivers/panfrost/pan_assemble.c b/src/gallium/drivers/panfrost/pan_assemble.c
index 8c3690c8e8c..2d1d1d172aa 100644
--- a/src/gallium/drivers/panfrost/pan_assemble.c
+++ b/src/gallium/drivers/panfrost/pan_assemble.c
@@ -59,15 +59,6 @@ panfrost_shader_compile(
 
         s->info.stage = stage;
 
-        if (stage == MESA_SHADER_FRAGMENT) {
-                /* Inject the alpha test now if we need to */
-
-                if (state->alpha_state.enabled) {
-                        NIR_PASS_V(s, nir_lower_alpha_test,
-                                   state->alpha_state.func, false, NULL);
-                }
-        }
-
         /* Call out to Midgard compiler given the above NIR */
 
         midgard_program program = {
diff --git a/src/gallium/drivers/panfrost/pan_screen.c b/src/gallium/drivers/panfrost/pan_screen.c
index 0d67675b7fc..4c21bf3efaf 100644
--- a/src/gallium/drivers/panfrost/pan_screen.c
+++ b/src/gallium/drivers/panfrost/pan_screen.c
@@ -244,6 +244,9 @@ panfrost_get_param(struct pipe_screen *screen, enum pipe_cap param)
         case PIPE_CAP_MAX_VARYINGS:
                 return 16;
 
+        case PIPE_CAP_ALPHA_TEST:
+                return 0;
+
         default:
                 return u_pipe_screen_get_param_defaults(screen, param);
         }