[Mesa-dev] [PATCH 1/5] glsl: Mark program as using dFdy if coarse/fine variant is used

Chris Forbes chrisf at ijw.co.nz
Thu Aug 14 02:19:11 PDT 2014


Signed-off-by: Chris Forbes <chrisf at ijw.co.nz>
---
 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 5163eb2..97ead75 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;
    }
-- 
2.0.4



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