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gallivm/nir: fix vulkan vertex inputs

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the tgsi file max is used to determine the number of input slots,
the old code was pretty bogus for the lavapipe cases (it worked
by accident).

Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7416>
This commit is contained in:
Dave Airlie
2020-10-30 13:48:55 +10:00
committed by Marge Bot
parent 621c4f816f
commit 42b5cfdbd2
1 changed files with 10 additions and 2 deletions
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12
src/gallium/auxiliary/nir/nir_to_tgsi_info.c
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@@ -577,10 +577,18 @@ void nir_tgsi_scan_shader(const struct nir_shader *nir,
info->num_inputs = util_bitcount64(nir->info.inputs_read);
if (nir->info.inputs_read_indirectly)
info->indirect_files |= 1 << TGSI_FILE_INPUT;
info->file_max[TGSI_FILE_INPUT] = info->num_inputs - 1;
} else {
int max = -1;
nir_foreach_shader_in_variable(var, nir) {
int slots = glsl_count_attribute_slots(var->type, false);
int tmax = var->data.driver_location + slots - 1;
if (tmax > max)
max = tmax;
info->file_max[TGSI_FILE_INPUT] = max;
}
}
info->file_max[TGSI_FILE_INPUT] = info->num_inputs - 1;
i = 0;
uint64_t processed_outputs = 0;
unsigned num_outputs = 0;