diff options
| author | Eric Anholt <[email protected]> | 2010-09-28 10:18:31 -0700 |
|---|---|---|
| committer | Eric Anholt <[email protected]> | 2010-09-28 10:19:54 -0700 |
| commit | 9e96c737f8cb6faebf7c7339cfcf14f80ed8e73c (patch) | |
| tree | d759a97d7ff4d61f2f0087c43df81f6692a6fbdf | |
| parent | 5f7bd68149e59b6940e891928faa532bce0271f6 (diff) | |
i965: Subtract instead of adding when computing y delta in new FS backend.
Fixes 7 piglit cases.
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp index 0595488c9cc..723ebca61bb 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp @@ -1335,7 +1335,7 @@ fs_visitor::emit_interpolation() emit(fs_inst(BRW_OPCODE_ADD, this->delta_y, this->pixel_y, - fs_reg(brw_vec1_grf(1, 1)))); + fs_reg(negate(brw_vec1_grf(1, 1))))); this->current_annotation = "compute pos.w and 1/pos.w"; /* Compute wpos. Unlike many other varying inputs, we usually need it |