diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_program.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_program.c b/src/mesa/drivers/dri/i965/brw_program.c index 5b168c25e3d..f6c7e4515c4 100644 --- a/src/mesa/drivers/dri/i965/brw_program.c +++ b/src/mesa/drivers/dri/i965/brw_program.c @@ -88,6 +88,14 @@ brw_create_nir(struct brw_context *brw, } nir_validate_shader(nir); + /* Lower PatchVerticesIn from system value to uniform. This needs to + * happen before brw_preprocess_nir, since that will lower system values. + */ + if ((stage == MESA_SHADER_TESS_CTRL && brw->screen->devinfo.gen >= 8) || + stage == MESA_SHADER_TESS_EVAL) { + brw_nir_lower_patch_vertices_in_to_uniform(nir); + } + nir = brw_preprocess_nir(brw->screen->compiler, nir); if (stage == MESA_SHADER_FRAGMENT) { |