Mesa (master): i965: Add support for ir_triop_csel.
Matt Turner
mattst88 at kemper.freedesktop.org
Mon Sep 9 22:07:59 UTC 2013
Module: Mesa
Branch: master
Commit: 847726295861af4a34f0ec8eb7b3dfe9a6e178bd
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=847726295861af4a34f0ec8eb7b3dfe9a6e178bd
Author: Matt Turner <mattst88 at gmail.com>
Date: Mon Aug 19 10:44:41 2013 -0700
i965: Add support for ir_triop_csel.
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
Reviewed-by: Ian Romanick <ian.d.romanick at intel.com>
---
.../dri/i965/brw_fs_channel_expressions.cpp | 1 +
src/mesa/drivers/dri/i965/brw_fs_visitor.cpp | 6 ++++++
src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp | 6 ++++++
3 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_fs_channel_expressions.cpp b/src/mesa/drivers/dri/i965/brw_fs_channel_expressions.cpp
index fa02d9b..b4c33e6 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_channel_expressions.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_channel_expressions.cpp
@@ -362,6 +362,7 @@ ir_channel_expressions_visitor::visit_leave(ir_assignment *ir)
case ir_triop_fma:
case ir_triop_lrp:
+ case ir_triop_csel:
case ir_triop_bitfield_extract:
for (i = 0; i < vector_elements; i++) {
ir_rvalue *op0 = get_element(op_var[0], i);
diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
index 543fe5e..d935c7b 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
@@ -728,6 +728,12 @@ fs_visitor::visit(ir_expression *ir)
case ir_triop_lrp:
emit_lrp(this->result, op[0], op[1], op[2]);
break;
+
+ case ir_triop_csel:
+ emit(CMP(reg_null_d, op[0], fs_reg(0), BRW_CONDITIONAL_NZ));
+ inst = emit(BRW_OPCODE_SEL, this->result, op[1], op[2]);
+ inst->predicate = BRW_PREDICATE_NORMAL;
+ break;
}
}
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
index 3a2f047..7ced32c 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
@@ -1588,6 +1588,12 @@ vec4_visitor::visit(ir_expression *ir)
emit(LRP(result_dst, op[2], op[1], op[0]));
break;
+ case ir_triop_csel:
+ emit(CMP(dst_null_d(), op[0], src_reg(0), BRW_CONDITIONAL_NZ));
+ inst = emit(BRW_OPCODE_SEL, result_dst, op[1], op[2]);
+ inst->predicate = BRW_PREDICATE_NORMAL;
+ break;
+
case ir_triop_bfi:
op[0] = fix_3src_operand(op[0]);
op[1] = fix_3src_operand(op[1]);
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