mirror of
https://github.com/encounter/dawn-cmake.git
synced 2025-05-14 19:31:25 +00:00
df3630c194
Currently polyfilled for all backends. HLSL should be able to map this to 'firstbitlow', but there might need to be some special case handling for 0 (undocumented behavior). For now just polyfill. CTS tests: https://github.com/gpuweb/cts/pull/1003 Bug: tint:1367 Bug: tint:1449 Change-Id: I8125b32687196678906e5a9d056b4f2efd885073 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/81502 Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: David Neto <dneto@google.com> Commit-Queue: Ben Clayton <bclayton@google.com>
46 lines
1.3 KiB
WebGPU Shading Language
46 lines
1.3 KiB
WebGPU Shading Language
// Copyright 2021 The Tint Authors.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// File generated by tools/builtin-gen
|
|
// using the template:
|
|
// test/tint/builtins/builtins.wgsl.tmpl
|
|
// and the builtin defintion file:
|
|
// src/tint/builtins.def
|
|
//
|
|
// Do not modify this file directly
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
// fn firstTrailingBit(vec<3, u32>) -> vec<3, u32>
|
|
fn firstTrailingBit_cb51ce() {
|
|
var res: vec3<u32> = firstTrailingBit(vec3<u32>());
|
|
}
|
|
|
|
@stage(vertex)
|
|
fn vertex_main() -> @builtin(position) vec4<f32> {
|
|
firstTrailingBit_cb51ce();
|
|
return vec4<f32>();
|
|
}
|
|
|
|
@stage(fragment)
|
|
fn fragment_main() {
|
|
firstTrailingBit_cb51ce();
|
|
}
|
|
|
|
@stage(compute) @workgroup_size(1)
|
|
fn compute_main() {
|
|
firstTrailingBit_cb51ce();
|
|
}
|