nir: Add lower_rotate flag and set to true in all drivers
[mesa.git] / src / broadcom / compiler / nir_to_vir.c
index 1e98e69efbce9de4f054bf1d9a264c21fad9b1b5..b05c892bba617100b83af8645317602d472bbab1 100644 (file)
@@ -1462,6 +1462,17 @@ var_needs_point_coord(struct v3d_compile *c, nir_variable *var)
                   (1 << (var->data.location - VARYING_SLOT_VAR0)))));
 }
 
+static bool
+program_reads_point_coord(struct v3d_compile *c)
+{
+        nir_foreach_variable(var, &c->s->inputs) {
+                if (var_needs_point_coord(c, var))
+                        return true;
+        }
+
+        return false;
+}
+
 static void
 ntq_setup_fs_inputs(struct v3d_compile *c)
 {
@@ -2004,7 +2015,6 @@ ntq_emit_uniform_if(struct v3d_compile *c, nir_if *if_stmt)
 
                 /* Emit the else block. */
                 vir_set_emit_block(c, else_block);
-                ntq_activate_execute_for_block(c);
                 ntq_emit_cf_list(c, &if_stmt->else_list);
         }
 
@@ -2300,15 +2310,17 @@ nir_to_vir(struct v3d_compile *c)
                 c->payload_w_centroid = vir_MOV(c, vir_reg(QFILE_REG, 1));
                 c->payload_z = vir_MOV(c, vir_reg(QFILE_REG, 2));
 
-                /* XXX perf: We could set the "disable implicit point/line
-                 * varyings" field in the shader record and not emit these, if
-                 * they're not going to be used.
+                /* V3D 4.x can disable implicit point coordinate varyings if
+                 * they are not used.
                  */
-                if (c->fs_key->is_points) {
+                if (c->fs_key->is_points &&
+                    (c->devinfo->ver < 40 || program_reads_point_coord(c))) {
                         c->point_x = emit_fragment_varying(c, NULL, 0, 0);
                         c->point_y = emit_fragment_varying(c, NULL, 0, 0);
-                } else if (c->fs_key->is_lines) {
+                        c->uses_implicit_point_line_varyings = true;
+                } else if (c->fs_key->is_lines && c->devinfo->ver < 40) {
                         c->line_x = emit_fragment_varying(c, NULL, 0, 0);
+                        c->uses_implicit_point_line_varyings = true;
                 }
                 break;
         case MESA_SHADER_COMPUTE:
@@ -2380,7 +2392,6 @@ const nir_shader_compiler_options v3d_nir_options = {
         .lower_all_io_to_temps = true,
         .lower_extract_byte = true,
         .lower_extract_word = true,
-        .lower_bfm = true,
         .lower_bitfield_insert_to_shifts = true,
         .lower_bitfield_extract_to_shifts = true,
         .lower_bitfield_reverse = true,
@@ -2408,6 +2419,7 @@ const nir_shader_compiler_options v3d_nir_options = {
         .lower_ldexp = true,
         .lower_mul_high = true,
         .lower_wpos_pntc = true,
+        .lower_rotate = true,
 };
 
 /**