From 25b7e4a01f20df4ca94a5381dee5b33294f6c161 Mon Sep 17 00:00:00 2001 From: Kenneth Graunke Date: Tue, 5 Jan 2016 04:46:33 -0800 Subject: [PATCH] i965: Use rcp in brw_lower_texture_gradients rather than 1.0 / x. That's what it's for. Plus, we actually implement rcp. Signed-off-by: Kenneth Graunke Reviewed-by: Topi Pohjolainen Reviewed-by: Matt Turner --- 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 d571ecd4394..c83b2728b98 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"); -- 2.11.0