From eba0c54f6229868339ec80f799a6b7b9fb6a05ec Mon Sep 17 00:00:00 2001
From: Chris Forbes <chrisf@ijw.co.nz>
Date: Thu, 14 Aug 2014 21:03:53 +1200
Subject: [PATCH] glsl: Mark program as using dFdy if coarse/fine variant is
 used

Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
Reviewed-by: Matt Turner <mattst88@gmail.com>
---
 src/glsl/ir_set_program_inouts.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/glsl/ir_set_program_inouts.cpp b/src/glsl/ir_set_program_inouts.cpp
index 5163eb215df..97ead750aee 100644
--- a/src/glsl/ir_set_program_inouts.cpp
+++ b/src/glsl/ir_set_program_inouts.cpp
@@ -306,7 +306,9 @@ ir_visitor_status
 ir_set_program_inouts_visitor::visit_enter(ir_expression *ir)
 {
    if (this->shader_stage == MESA_SHADER_FRAGMENT &&
-       ir->operation == ir_unop_dFdy) {
+       (ir->operation == ir_unop_dFdy ||
+        ir->operation == ir_unop_dFdy_coarse ||
+        ir->operation == ir_unop_dFdy_fine)) {
       gl_fragment_program *fprog = (gl_fragment_program *) prog;
       fprog->UsesDFdy = true;
    }
-- 
2.30.2