Mesa (master): i965/vec4: Assert that fine/coarse derivative ops don' t appear

[Chris Forbes]

Module: Mesa
Branch: master
Commit: 587e6e78984cd7490ac68b83d0b751bf23256595
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=587e6e78984cd7490ac68b83d0b751bf23256595

Author: Chris Forbes <chrisf at ijw.co.nz>
Date:   Thu Aug 14 20:38:33 2014 +1200

i965/vec4: Assert that fine/coarse derivative ops don't appear

Signed-off-by: Chris Forbes <chrisf at ijw.co.nz>
Reviewed-by: Matt Turner <mattst88 at gmail.com>

---

 src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
index ce64b30..b17ef34 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
@@ -1350,7 +1350,11 @@ vec4_visitor::visit(ir_expression *ir)
       break;
 
    case ir_unop_dFdx:
+   case ir_unop_dFdx_coarse:
+   case ir_unop_dFdx_fine:
    case ir_unop_dFdy:
+   case ir_unop_dFdy_coarse:
+   case ir_unop_dFdy_fine:
       unreachable("derivatives not valid in vertex shader");
 
    case ir_unop_bitfield_reverse: