dawn-cmake/test/array/assign_to_private_var.wgsl

54 lines
1.1 KiB
WebGPU Shading Language

type ArrayType = [[stride(16)]] array<i32, 4>;
[[block]]
struct S {
arr : ArrayType;
};
var<private> src_private : ArrayType;
var<workgroup> src_workgroup : ArrayType;
[[group(0), binding(0)]] var<uniform> src_uniform : S;
[[group(0), binding(1)]] var<storage> src_storage : [[access(read_write)]] S;
var<private> dst : ArrayType;
var<private> dst_nested : array<array<array<i32, 2>, 3>, 4>;
fn ret_arr() -> ArrayType {
return ArrayType();
}
fn ret_struct_arr() -> S {
return S();
}
fn foo(src_param : ArrayType) {
var src_function : ArrayType;
// Assign from type constructor.
dst = ArrayType(1, 2, 3, 3);
// Assign from parameter.
dst = src_param;
// Assign from function call.
dst = ret_arr();
// Assign from constant.
let src_let : ArrayType = ArrayType();
dst = src_let;
// Assign from var, various storage classes.
dst = src_function;
dst = src_private;
dst = src_workgroup;
// Assign from struct.arr, various storage classes.
dst = ret_struct_arr().arr;
dst = src_uniform.arr;
dst = src_storage.arr;
// Nested assignment.
var src_nested : array<array<array<i32, 2>, 3>, 4>;
dst_nested = src_nested;
}