diff options
| -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(); |