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20 lines
445 B
Text
20 lines
445 B
Text
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// Used to expose bugs in constant variable optimization,
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// when variables were deemed constant not taking into
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// account branches or previous dereferences of them.
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uniform float mode;
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float func (float c) {
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if (mode == 2.0)
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return c;
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if (mode == 3.0)
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discard;
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if (mode == 10.0)
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c = 0.1;
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return c;
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}
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void main() {
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vec4 c = gl_FragCoord;
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c.x = func(c.x);
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gl_FragColor = c;
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}
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