639e812d9f
In the majority of cases, a uniform is an equally good substitute, and replacing `sqrt(N)` with `unknownInput` actually makes the test clearer. Change-Id: I7bcb477571972d7aa2ce8c49b3674471f7310748 Bug: skia:12034 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/411306 Auto-Submit: John Stiles <johnstiles@google.com> Commit-Queue: Ethan Nicholas <ethannicholas@google.com> Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
8 lines
157 B
GLSL
8 lines
157 B
GLSL
#version 400
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out vec4 sk_FragColor;
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uniform float unknownInput;
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void main() {
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vec2 x = vec2(unknownInput);
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sk_FragColor.x = atan(x.x, -1.0 * x.y);
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}
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