[Mesa-dev] [PATCH 3/7] i965/fs: Add support for bit-shift operations.
Eric Anholt
eric at anholt.net
Tue Sep 27 15:08:37 PDT 2011
---
src/mesa/drivers/dri/i965/brw_fs_visitor.cpp | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
index df43be0..d8ce47b 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
@@ -445,8 +445,14 @@ fs_visitor::visit(ir_expression *ir)
break;
case ir_binop_lshift:
+ inst = emit(BRW_OPCODE_SHL, this->result, op[0], op[1]);
+ break;
+
case ir_binop_rshift:
- assert(!"GLSL 1.30 features unsupported");
+ if (ir->type->base_type == GLSL_TYPE_INT)
+ inst = emit(BRW_OPCODE_ASR, this->result, op[0], op[1]);
+ else
+ inst = emit(BRW_OPCODE_SHR, this->result, op[0], op[1]);
break;
}
}
--
1.7.5.4
More information about the mesa-dev
mailing list