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/*
Copyright (c) 2019 The Khronos Group Inc.
Use of this source code is governed by an MIT-style license that can be
found in the LICENSE.txt file.
*/
#ifdef GL_ES
precision mediump float;
#endif
void main()
{
vec2 v = vec2(1,5);
// at the end of next statement, values in
// v.x = 12, v.y = 12
v.xy += v.yx += v.xy;
// v1 and v2, both are initialized with 12
vec2 v1 = v, v2 = v;
v1.xy += v2.yx += ++(v.xy); // v1 = 37, v2 = 25 each
v1.xy += v2.yx += (v.xy)++; // v1 = 75, v2 = 38 each
gl_FragColor = vec4(v1,v2); // 75, 75, 38, 38
}
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