dawn-cmake/test/tint/builtins/insertBits/scalar/i32.spvasm.expected.hlsl
Ben Clayton fe08ba4677 builtins: Add insertBits
CTS tests: https://github.com/gpuweb/cts/pull/1012

Bug: tint:1371
Change-Id: Idd55c0bc9dad1dffb558d0bc57d744f65e9041b5
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/81701
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: David Neto <dneto@google.com>
2022-02-23 21:18:09 +00:00

22 lines
462 B
HLSL

int tint_insert_bits(int v, int n, uint offset, uint count) {
const uint s = min(offset, 32u);
const uint e = min(32u, (s + count));
const uint mask = (((1u << s) - 1u) ^ ((1u << e) - 1u));
return (((n << s) & int(mask)) | (v & int(~(mask))));
}
void f_1() {
int v = 0;
int n = 0;
uint offset_1 = 0u;
uint count = 0u;
const int x_15 = tint_insert_bits(v, n, offset_1, count);
return;
}
[numthreads(1, 1, 1)]
void f() {
f_1();
return;
}