Module: Mesa Branch: master Commit: 418c4c0d7d48a42f475df1ffb93b3a33763e7a4a URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=418c4c0d7d48a42f475df1ffb93b3a33763e7a4a
Author: Gert Wollny <gert.wol...@collabora.com> Date: Mon Jul 6 09:41:25 2020 +0200 compiler/nir: extend lower_fragcoord_wtrans to support VARYING_SLOT_POS Signed-off-by: Gert Wollny <gert.wol...@collabora.com> Reviewed-by: Andreas Baierl <ich...@imkreisrum.de> Reviewed-by: Eric Anholt <e...@anholt.net> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6220> --- src/compiler/nir/nir_lower_fragcoord_wtrans.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/src/compiler/nir/nir_lower_fragcoord_wtrans.c b/src/compiler/nir/nir_lower_fragcoord_wtrans.c index f469b955396..ed630bb7c21 100644 --- a/src/compiler/nir/nir_lower_fragcoord_wtrans.c +++ b/src/compiler/nir/nir_lower_fragcoord_wtrans.c @@ -30,8 +30,6 @@ * gl_FragCoord.xyz = gl_FragCoord_orig.xyz * gl_FragCoord.w = 1.0 / gl_FragCoord_orig.w * - * To trigger the transformation, gl_FragCoord currently has to be treated - * as a system value with PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL enabled. */ static bool @@ -41,7 +39,14 @@ lower_fragcoord_wtrans_filter(const nir_instr *instr, UNUSED const void *_option return false; nir_intrinsic_instr *intr = nir_instr_as_intrinsic(instr); - return intr->intrinsic == nir_intrinsic_load_frag_coord; + if (intr->intrinsic == nir_intrinsic_load_frag_coord) + return true; + + if (intr->intrinsic != nir_intrinsic_load_deref) + return false; + + nir_variable *var = nir_intrinsic_get_var(intr, 0); + return var->data.location == VARYING_SLOT_POS; } static nir_ssa_def * _______________________________________________ mesa-commit mailing list mesa-commit@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-commit
