i965/vec4: fix move_push_constants_to_pull_constants() for 64-bit data
authorIago Toral Quiroga <itoral@igalia.com>
Wed, 13 Jul 2016 08:45:13 +0000 (10:45 +0200)
committerSamuel Iglesias Gonsálvez <siglesias@igalia.com>
Tue, 3 Jan 2017 10:26:51 +0000 (11:26 +0100)
v2: adapt to changes in offset()

Reviewed-by: Matt Turner <mattst88@gmail.com>
src/mesa/drivers/dri/i965/brw_vec4.cpp

index 4f985a5..944ae87 100644 (file)
@@ -884,10 +884,25 @@ vec4_visitor::move_push_constants_to_pull_constants()
 
          int uniform = inst->src[i].nr;
 
-         dst_reg temp = dst_reg(this, glsl_type::vec4_type);
-
-         emit_pull_constant_load(block, inst, temp, inst->src[i],
-                                 pull_constant_loc[uniform], src_reg());
+         dst_reg temp;
+         if (type_sz(inst->src[i].type) != 8) {
+            temp = dst_reg(this, glsl_type::vec4_type);
+            emit_pull_constant_load(block, inst, temp, inst->src[i],
+                                    pull_constant_loc[uniform], src_reg());
+         } else {
+            dst_reg shuffled = dst_reg(this, glsl_type::dvec4_type);
+            dst_reg shuffled_float = retype(shuffled, BRW_REGISTER_TYPE_F);
+
+            emit_pull_constant_load(block, inst, shuffled_float, inst->src[i],
+                                    pull_constant_loc[uniform], src_reg());
+            emit_pull_constant_load(block, inst,
+                                    offset(shuffled_float, 8, 1),
+                                    offset(inst->src[i], 8, 1),
+                                    pull_constant_loc[uniform], src_reg());
+
+            temp = dst_reg(this, glsl_type::dvec4_type);
+            shuffle_64bit_data(temp, src_reg(shuffled), false, block, inst);
+         }
 
          inst->src[i].file = temp.file;
          inst->src[i].nr = temp.nr;