83 lines
1.2 KiB
GLSL
83 lines
1.2 KiB
GLSL
#version 450
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struct S {
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int a;
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};
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uniform ubuf {
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S s;
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};
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uniform sampler2D s2d;
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layout(location = 0) in vec4 inv;
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layout(location = 0) out vec4 outv;
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vec4 foo(S s)
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{
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vec4 r = s.a * inv;
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++r;
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if (r.x > 3.0)
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--r;
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else
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r *= 2;
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return r;
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}
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float testBranch(float x, float y)
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{
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float result = 0;
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bool b = x > 0;
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// branch with load
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if (b) {
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result += 1;
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}
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else {
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result -= 1;
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}
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// branch with expression
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if (x > y) {
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result += x - y;
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}
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// selection with load
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result += b ?
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1 : -1;
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// selection with expression
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result += x < y ?
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y :
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float(b);
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return result;
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}
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void main()
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{
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outv = foo(s);
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outv += testBranch(inv.x, inv.y);
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outv += texture(s2d, vec2(0.5));
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switch (s.a) {
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case 10:
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++outv;
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break;
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case 20:
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outv = 2 * outv;
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++outv;
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break;
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default:
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--outv;
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break;
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}
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for (int i = 0; i < 10; ++i)
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outv *= 3.0;
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outv.x < 10.0 ?
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outv = sin(outv) :
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outv = cos(outv);
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} |