#version 450
#extension GL_EXT_shader_explicit_arithmetic_types_int64 : enable
#extension GL_EXT_shader_image_int64 : enable
#extension GL_KHR_memory_scope_semantics : enable

layout(set = 0, binding = 0) buffer ssbo { uint64_t y; };
layout(set = 0, binding = 1, r64ui) uniform u64image2D z;

void main() {
    // Test imageAtomicStore exclusively. Do NOT add other atomic operations to this test.
    imageAtomicStore(z, ivec2(1, 1), y, gl_ScopeDevice, gl_StorageSemanticsImage, gl_SemanticsRelaxed);
}