dawn-cmake/test/tint/builtins/extractBits/vec3/i32.spvasm.expected.hlsl
Ben Clayton e9f8b09063 tint/writer/hlsl: Inline constant expressions
This is required to handle materialized values, and for constant
expressions.

Bug: tint:1504
Change-Id: I79ad567954de2d1cfea09dda255894e4e2aa678e
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/92081
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Commit-Queue: Ben Clayton <bclayton@chromium.org>
2022-06-01 13:14:39 +00:00

22 lines
452 B
HLSL

int3 tint_extract_bits(int3 v, uint offset, uint count) {
const uint s = min(offset, 32u);
const uint e = min(32u, (s + count));
const uint shl = (32u - e);
const uint shr = (shl + s);
return ((v << uint3((shl).xxx)) >> uint3((shr).xxx));
}
void f_1() {
int3 v = (0).xxx;
uint offset_1 = 0u;
uint count = 0u;
const int3 x_15 = tint_extract_bits(v, offset_1, count);
return;
}
[numthreads(1, 1, 1)]
void f() {
f_1();
return;
}