glsl_to_tgsi: emit IABS for absolute value of integers

diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index 539701173f8fd4f4fd6230adf93dacabf0329bc7..3b8e2fe3742c116f8a8b08a43a01daea4a5c4c0c 100644 (file)
--- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -1410,8 +1410,10 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir)
       }
       break;
    case ir_unop_abs:
-      assert(result_dst.type == GLSL_TYPE_FLOAT);
-      emit(ir, TGSI_OPCODE_ABS, result_dst, op[0]);
+      if (result_dst.type == GLSL_TYPE_INT || result_dst.type == GLSL_TYPE_UINT)
+         emit(ir, TGSI_OPCODE_IABS, result_dst, op[0]);
+      else
+         emit(ir, TGSI_OPCODE_ABS, result_dst, op[0]);
       break;
    case ir_unop_sign:
       emit(ir, TGSI_OPCODE_SSG, result_dst, op[0]);