panfrost: Use shader_info harder

We already have this metadata..

Signed-off-by: Alyssa Rosenzweig <[email protected]>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5423>

1 files changed, 5 insertions, 15 deletions

diff --git a/src/gallium/drivers/panfrost/pan_assemble.c b/src/gallium/drivers/panfrost/pan_assemble.c
index dfda97f9463..7d0f07a0dd1 100644
--- a/src/gallium/drivers/panfrost/pan_assemble.c
+++ b/src/gallium/drivers/panfrost/pan_assemble.c
@@ -231,11 +231,14 @@ panfrost_shader_compile(struct panfrost_context *ctx,
         }
 
         state->can_discard = s->info.fs.uses_discard;
-        state->writes_point_size = program.writes_point_size;
-        state->reads_point_coord = false;
         state->helper_invocations = s->info.fs.needs_helper_invocations;
         state->stack_size = program.tls_size;
 
+        state->reads_frag_coord = s->info.inputs_read & (1 << VARYING_SLOT_POS);
+        state->reads_point_coord = s->info.inputs_read & (1 << VARYING_SLOT_PNTC);
+        state->reads_face = s->info.inputs_read & (1 << VARYING_SLOT_FACE);
+        state->writes_point_size = s->info.outputs_written & (1 << VARYING_SLOT_PSIZ);
+
         if (outputs_written)
                 *outputs_written = s->info.outputs_written;
 
@@ -263,17 +266,4 @@ panfrost_shader_compile(struct panfrost_context *ctx,
                         state->varyings[loc + c] = pan_format_from_glsl(var->type, var->data.location_frac);
                 }
         }
-
-        for (unsigned i = 0; i < state->varying_count; ++i) {
-                unsigned location = state->varyings_loc[i];
-
-                if (location == VARYING_SLOT_POS && stage == MESA_SHADER_FRAGMENT)
-                        state->reads_frag_coord = true;
-                else if (location == VARYING_SLOT_PSIZ)
-                        state->writes_point_size = true;
-                else if (location == VARYING_SLOT_PNTC)
-                        state->reads_point_coord = true;
-                else if (location == VARYING_SLOT_FACE)
-                        state->reads_face = true;
-        }
 }