[Mesa-dev] [PATCH 09/13] glsl: enable/disable certain lowering passes for doubles

Ilia Mirkin imirkin at alum.mit.edu
Wed Feb 4 23:27:16 PST 2015


From: Dave Airlie <airlied at gmail.com>

We want to restrict some lowering passes to floats only,
and enable other for doubles.

Signed-off-by: Dave Airlie <airlied at redhat.com>
---
 src/glsl/lower_instructions.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/glsl/lower_instructions.cpp b/src/glsl/lower_instructions.cpp
index 09afe55..5c1d6aa 100644
--- a/src/glsl/lower_instructions.cpp
+++ b/src/glsl/lower_instructions.cpp
@@ -306,7 +306,7 @@ lower_instructions_visitor::mod_to_floor(ir_expression *ir)
    /* Don't generate new IR that would need to be lowered in an additional
     * pass.
     */
-   if (lowering(DIV_TO_MUL_RCP))
+   if (lowering(DIV_TO_MUL_RCP) && ir->type->is_float())
       div_to_mul_rcp(div_expr);
 
    ir_expression *const floor_expr =
@@ -548,7 +548,7 @@ lower_instructions_visitor::visit_leave(ir_expression *ir)
       break;
 
    case ir_binop_mod:
-      if (lowering(MOD_TO_FLOOR) && ir->type->is_float())
+      if (lowering(MOD_TO_FLOOR) && (ir->type->is_float() || ir->type->is_double()))
 	 mod_to_floor(ir);
       break;
 
@@ -563,7 +563,7 @@ lower_instructions_visitor::visit_leave(ir_expression *ir)
       break;
 
    case ir_binop_ldexp:
-      if (lowering(LDEXP_TO_ARITH))
+      if (lowering(LDEXP_TO_ARITH) && ir->type->is_float())
          ldexp_to_arith(ir);
       break;
 
-- 
2.0.5



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