skia2/tests/sksl/glsl/ForceHighPrecision.glsl
John Stiles 639e812d9f Remove usage of sqrt() as an optimization barrier in tests.
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>
2021-05-24 17:18:54 +00:00

11 lines
232 B
GLSL

#version 400
precision mediump float;
precision mediump sampler2D;
out mediump vec4 sk_FragColor;
uniform highp float unknownInput;
void main() {
highp float x = unknownInput;
highp vec4 y = vec4(x);
sk_FragColor = y;
}