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Update ComputeLog2 to be more valid 

Per https://bugs.chromium.org/p/dawn/issues/detail?id=663#c6 and
https://bugs.chromium.org/p/dawn/issues/detail?id=663#c7

BUG=dawn:663

Change-Id: Id2c0dbd4b029be30691f450af0454b442856c2ed
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/40242
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Reviewed-by: David Neto <dneto@google.com>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
This commit is contained in:
Ryan Harrison 2021-02-03 19:42:07 +00:00 committed by Commit Bot service account
parent c00bc90b7c
commit 88f0ba4e26
1 changed files with 21 additions and 19 deletions
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40
src/tests/end2end/ShaderTests.cpp
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@ -41,25 +41,27 @@ TEST_P(ShaderTests, ComputeLog2) {
[[group(0), binding(0)]] var<storage_buffer> buf : [[access(read_write)]] Buf;
[[stage(compute)]] fn main() -> void {
buf.data[0] = u32(log2(1.0));
buf.data[1] = u32(log2(2.0));
buf.data[2] = u32(log2(3.0));
buf.data[3] = u32(log2(4.0));
buf.data[4] = u32(log2(7.0));
buf.data[5] = u32(log2(8.0));
buf.data[6] = u32(log2(15.0));
buf.data[7] = u32(log2(16.0));
buf.data[8] = u32(log2(31.0));
buf.data[9] = u32(log2(32.0));
buf.data[10] = u32(log2(63.0));
buf.data[11] = u32(log2(64.0));
buf.data[12] = u32(log2(127.0));
buf.data[13] = u32(log2(128.0));
buf.data[14] = u32(log2(255.0));
buf.data[15] = u32(log2(256.0));
buf.data[16] = u32(log2(511.0));
buf.data[17] = u32(log2(512.0));
buf.data[18] = u32(log2(4294967295.0));
const factor : f32 = 1.0001;
buf.data[0] = u32(log2(1.0 * factor));
buf.data[1] = u32(log2(2.0 * factor));
buf.data[2] = u32(log2(3.0 * factor));
buf.data[3] = u32(log2(4.0 * factor));
buf.data[4] = u32(log2(7.0 * factor));
buf.data[5] = u32(log2(8.0 * factor));
buf.data[6] = u32(log2(15.0 * factor));
buf.data[7] = u32(log2(16.0 * factor));
buf.data[8] = u32(log2(31.0 * factor));
buf.data[9] = u32(log2(32.0 * factor));
buf.data[10] = u32(log2(63.0 * factor));
buf.data[11] = u32(log2(64.0 * factor));
buf.data[12] = u32(log2(127.0 * factor));
buf.data[13] = u32(log2(128.0 * factor));
buf.data[14] = u32(log2(255.0 * factor));
buf.data[15] = u32(log2(256.0 * factor));
buf.data[16] = u32(log2(511.0 * factor));
buf.data[17] = u32(log2(512.0 * factor));
buf.data[18] = u32(log2(4294967295.0 * factor));
})";
wgpu::ComputePipelineDescriptor csDesc;