xemu/subprojects/SPIRV-Reflect/tests/spec_constants/basic.comp

#version 450

layout(constant_id = 3) const int SIZE = 2;

layout(set = 0, binding = 0, std430) buffer SSBO {
    float val[SIZE];
    float dummy;
} ssbo;

void main() {
    ssbo.val[0] = 0.0;
}