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spirv/cfg: Be a bit more precise about function parameters 

Pointers with no storage type are converted to inout variables but SSA
values and pointers with a storage type (which turns into a uint or
uvec2) are just input variables.
This commit is contained in:
Jason Ekstrand 2017-12-07 23:42:14 -08:00 committed by Jason Ekstrand
parent aaeda8d7d4
commit e6ba457c99
1 changed files with 2 additions and 3 deletions
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5
src/compiler/spirv/vtn_cfg.c
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@ -55,12 +55,11 @@ vtn_cfg_handle_prepass_instruction(struct vtn_builder *b, SpvOp opcode,
if (func_type->params[i]->base_type == vtn_base_type_pointer &&
func_type->params[i]->type == NULL) {
func->params[i].type = func_type->params[i]->deref->type;
func->params[i].param_type = nir_parameter_inout;
} else {
func->params[i].type = func_type->params[i]->type;
func->params[i].param_type = nir_parameter_in;
}
/* TODO: We could do something smarter here. */
func->params[i].param_type = nir_parameter_inout;
}
func->return_type = func_type->return_type->type;