yuzu-mainline/src/video_core/host_shaders/vulkan_turbo_mode.comp

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// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#version 460 core
layout (local_size_x = 16, local_size_y = 8, local_size_z = 1) in;
layout (binding = 0) buffer ThreadData {
uint data[];
};
uint xorshift32(uint x) {
x ^= x << 13;
x ^= x >> 17;
x ^= x << 5;
return x;
}
uint getGlobalIndex() {
return gl_GlobalInvocationID.x + gl_GlobalInvocationID.y * gl_WorkGroupSize.y * gl_NumWorkGroups.y;
}
void main() {
uint myIndex = xorshift32(getGlobalIndex());
uint otherIndex = xorshift32(myIndex);
uint otherValue = atomicAdd(data[otherIndex % data.length()], 0) + 1;
atomicAdd(data[myIndex % data.length()], otherValue);
}