That's what it's for. Plus, we actually implement rcp.
Signed-off-by: Kenneth Graunke <kenn...@whitecape.org>
---
src/mesa/drivers/dri/i965/brw_lower_texture_gradients.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/mesa/drivers/dri/i965/brw_lower_texture_gradients.cpp
b/src/mesa/drivers/dri/i965/brw_lower_texture_gradients.cpp
index d571ecd..c83b272 100644
--- a/src/mesa/drivers/dri/i965/brw_lower_texture_gradients.cpp
+++ b/src/mesa/drivers/dri/i965/brw_lower_texture_gradients.cpp
@@ -279,7 +279,7 @@ lower_texture_grad_visitor::visit_leave(ir_texture *ir)
/* 2. quotient rule */
ir_variable *recip = temp(mem_ctx, glsl_type::float_type, "recip");
- EMIT(assign(recip, div(new(mem_ctx) ir_constant(1.0f), swizzle_z(Q))));
+ EMIT(assign(recip, expr(ir_unop_rcp, swizzle_z(Q))));
ir_variable *dx = temp(mem_ctx, glsl_type::vec2_type, "dx");
ir_variable *dy = temp(mem_ctx, glsl_type::vec2_type, "dy");
--
2.6.4
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