https://bugs.freedesktop.org/show_bug.cgi?id=51421
Golubev Yaroslav <my3blkan...@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |NOTABUG
--- Comment #1 from Golubev Yaroslav <my3blkan...@gmail.com> ---
http://glsl.heroku.com/e#2465.1
>#ifdef GL_ES
>precision mediump float;
>#endif
>uniform float time;
>uniform vec2 mouse;
>uniform vec2 resolution;
>
>void main( void ) {
> float bla = gl_FragCoord.x/resolution.x;
> float value = sin((bla-0.5)*100.0);
> gl_FragColor = vec4(value,value,value, 1.0 );
>}
1) according to specification sin accepts angle in radians:
2) also gl_FragColor.# should be in [0;1], but sin (x in (0;-pi))<0
=> float value = abs(sin(radians((bla-0.5)*100.0)));
works fine
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