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st/glsl_to_nir: fix driver location for dual-slot packed doubles

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Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Timothy Arceri 2018-03-21 11:27:19 +11:00
parent 47eee04556
commit fc51fdbcde
1 changed files with 16 additions and 6 deletions
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22
src/mesa/state_tracker/st_glsl_to_nir.cpp
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@ -141,16 +141,23 @@ st_nir_assign_var_locations(struct exec_list *var_list, unsigned *size,
type = glsl_get_array_element(type);
}
unsigned var_size = type_size(type);
/* Builtins don't allow component packing so we only need to worry about
* user defined varyings sharing the same location.
*/
bool processed = false;
if (var->data.location >= base) {
unsigned glsl_location = var->data.location - base;
if (processed_locs[var->data.index] & ((uint64_t)1 << glsl_location))
processed = true;
else
processed_locs[var->data.index] |= ((uint64_t)1 << glsl_location);
for (unsigned i = 0; i < var_size; i++) {
if (processed_locs[var->data.index] &
((uint64_t)1 << (glsl_location + i)))
processed = true;
else
processed_locs[var->data.index] |=
((uint64_t)1 << (glsl_location + i));
}
}
/* Because component packing allows varyings to share the same location
@ -162,9 +169,12 @@ st_nir_assign_var_locations(struct exec_list *var_list, unsigned *size,
continue;
}
assigned_locations[var->data.location] = location;
for (unsigned i = 0; i < var_size; i++) {
assigned_locations[var->data.location + i] = location + i;
}
var->data.driver_location = location;
location += type_size(type);
location += var_size;
}
*size += location;