Mesa (master): i965: Add bit operation support to the fragment shader backend.
Kenneth Graunke
kwg at kemper.freedesktop.org
Wed Oct 27 20:58:09 UTC 2010
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;
}
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