dawn-cmake/test/bug/tint/221.wgsl
Ben Clayton 1858854f7e Add optional access to ptr<>
This also completes the work to resolve the access controls for each
storage type.

Fixed: tint:846
Change-Id: Iab24057ec14620a2978ec63c4a91ba12d1bc6e9b
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/53381
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: James Price <jrprice@google.com>
2021-06-04 22:17:37 +00:00

26 lines
518 B
WebGPU Shading Language

type Arr = array<u32, 50>;
[[block]]
struct Buf{
count : u32;
data : Arr;
};
[[group(0), binding (0)]] var<storage, read_write> b : Buf;
[[stage(compute)]]
fn main() {
var i : u32 = 0u;
loop {
if (i >= b.count) { break; }
let p : ptr<storage, u32, read_write> = &b.data[i];
if ((i % 2u) == 0u) { continue; }
*p = 0u; // Set odd elements of the array to 0
continuing {
*p = *p * 2u; // Double the value in the array entry
i = i + 1u;
}
}
return;
}