diff options
author | Eric Anholt <[email protected]> | 2010-09-03 17:21:49 -0700 |
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committer | Eric Anholt <[email protected]> | 2010-09-07 10:34:09 -0700 |
commit | 3fb5377ba57aea356a81c521c0cf1975dc290b61 (patch) | |
tree | fb90050930ccfed0e48821769360a10e87fa59a2 | |
parent | 3dbc9ea0a35653a0484d3b0a65a305626c251789 (diff) |
i965: Align the start of attribute interp coefficients in FS to use PLN.
-rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp index f0af8740d5f..b31d445afb1 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp @@ -1514,6 +1514,14 @@ fs_visitor::assign_curb_setup() c->prog_data.first_curbe_grf = c->key.nr_payload_regs; c->prog_data.curb_read_length = ALIGN(c->prog_data.nr_params, 8) / 8; + if (intel->gen == 5 && (c->prog_data.first_curbe_grf + + c->prog_data.curb_read_length) & 1) { + /* Align the start of the interpolation coefficients so that we can use + * the PLN instruction. + */ + c->prog_data.first_curbe_grf++; + } + /* Map the offsets in the UNIFORM file to fixed HW regs. */ foreach_iter(exec_list_iterator, iter, this->instructions) { fs_inst *inst = (fs_inst *)iter.get(); |