Mesa (master): i965: Add bit operation support to the fragment shader backend.

[Kenneth Graunke]

Module: Mesa
Branch: master
Commit: cbc966b57bdb61f5bc158352a9c8dd57bf31b81e
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=cbc966b57bdb61f5bc158352a9c8dd57bf31b81e

Author: Kenneth Graunke <kenneth at whitecape.org>
Date:   Mon Oct 18 17:28:56 2010 -0700

i965: Add bit operation support to the fragment shader backend.

---

 src/mesa/drivers/dri/i965/brw_fs.cpp |   15 ++++++++++++---
 1 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index e322ee4..2ed59d3 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -923,12 +923,21 @@ fs_visitor::visit(ir_expression *ir)
       break;
 
    case ir_unop_bit_not:
-   case ir_unop_u2f:
-   case ir_binop_lshift:
-   case ir_binop_rshift:
+      inst = emit(fs_inst(BRW_OPCODE_NOT, this->result, op[0]));
+      break;
    case ir_binop_bit_and:
+      inst = emit(fs_inst(BRW_OPCODE_AND, this->result, op[0], op[1]));
+      break;
    case ir_binop_bit_xor:
+      inst = emit(fs_inst(BRW_OPCODE_XOR, this->result, op[0], op[1]));
+      break;
    case ir_binop_bit_or:
+      inst = emit(fs_inst(BRW_OPCODE_OR, this->result, op[0], op[1]));
+      break;
+
+   case ir_unop_u2f:
+   case ir_binop_lshift:
+   case ir_binop_rshift:
       assert(!"GLSL 1.30 features unsupported");
       break;
    }