From a068958692cc662203f04e488356005533568a56 Mon Sep 17 00:00:00 2001 From: Timothy Arceri Date: Mon, 12 Nov 2018 13:25:27 +1100 Subject: [PATCH] nir: don't pack varyings ints with floats unless flat Fixes: 1c9c42d16b4c ("nir: add varying component packing helpers") Reviewed-by: Jason Ekstrand --- src/compiler/nir/nir_linking_helpers.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/src/compiler/nir/nir_linking_helpers.c b/src/compiler/nir/nir_linking_helpers.c index b07bb40894e..a05890ada43 100644 --- a/src/compiler/nir/nir_linking_helpers.c +++ b/src/compiler/nir/nir_linking_helpers.c @@ -196,9 +196,12 @@ nir_remove_unused_varyings(nir_shader *producer, nir_shader *consumer) } static uint8_t -get_interp_type(nir_variable *var, bool default_to_smooth_interp) +get_interp_type(nir_variable *var, const struct glsl_type *type, + bool default_to_smooth_interp) { - if (var->data.interpolation != INTERP_MODE_NONE) + if (glsl_type_is_integer(type)) + return INTERP_MODE_FLAT; + else if (var->data.interpolation != INTERP_MODE_NONE) return var->data.interpolation; else if (default_to_smooth_interp) return INTERP_MODE_SMOOTH; @@ -253,7 +256,7 @@ get_slot_component_masks_and_interp_types(struct exec_list *var_list, unsigned comps_slot2 = 0; for (unsigned i = 0; i < slots; i++) { interp_type[location + i] = - get_interp_type(var, default_to_smooth_interp); + get_interp_type(var, type, default_to_smooth_interp); interp_loc[location + i] = get_interp_loc(var); if (dual_slot) { @@ -425,7 +428,7 @@ compact_components(nir_shader *producer, nir_shader *consumer, uint8_t *comps, continue; bool found_new_offset = false; - uint8_t interp = get_interp_type(var, default_to_smooth_interp); + uint8_t interp = get_interp_type(var, type, default_to_smooth_interp); for (; cursor[interp] < 32; cursor[interp]++) { uint8_t cursor_used_comps = comps[cursor[interp]]; -- 2.30.2