diff options
-rw-r--r-- | src/compiler/spirv/vtn_variables.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/compiler/spirv/vtn_variables.c b/src/compiler/spirv/vtn_variables.c index f6b458b7e78..fe5340ab8cf 100644 --- a/src/compiler/spirv/vtn_variables.c +++ b/src/compiler/spirv/vtn_variables.c @@ -2444,9 +2444,17 @@ vtn_handle_variables(struct vtn_builder *b, SpvOp opcode, case SpvOpArrayLength: { struct vtn_pointer *ptr = vtn_value(b, w[3], vtn_value_type_pointer)->pointer; + const uint32_t field = w[4]; - const uint32_t offset = ptr->var->type->offsets[w[4]]; - const uint32_t stride = ptr->var->type->members[w[4]]->stride; + vtn_fail_if(ptr->type->base_type != vtn_base_type_struct, + "OpArrayLength must take a pointer to a structure type"); + vtn_fail_if(field != ptr->type->length - 1 || + ptr->type->members[field]->base_type != vtn_base_type_array, + "OpArrayLength must reference the last memeber of the " + "structure and that must be an array"); + + const uint32_t offset = ptr->type->offsets[field]; + const uint32_t stride = ptr->type->members[field]->stride; if (!ptr->block_index) { struct vtn_access_chain chain = { |