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use high on painting shaders

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This commit is contained in:
omigamedev
2019-03-05 10:21:49 +01:00
parent 317292318a
commit 9e26c67de6
13 changed files with 111 additions and 111 deletions
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16
data/shaders/include/color.glsl
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@@ -1,23 +1,23 @@
mediump vec3 brightness3(mediump vec3 c, mediump float val)
highp vec3 brightness3(highp vec3 c, highp float val)
{
return clamp(c + vec3(val * 2.0 - 1.0), vec3(0), vec3(1));
}
mediump vec3 contrast3(mediump vec3 c, mediump float val)
highp vec3 contrast3(highp vec3 c, highp float val)
{
val = val * 2.0 - 1.0;
mediump float factor = ((259.0 / 255.0) * (val + 1.0)) / (1.0 * ((259.0 / 255.0) - val));
highp float v = val * 2.0 - 1.0;
highp float factor = ((259.0 / 255.0) * (v + 1.0)) / (1.0 * ((259.0 / 255.0) - v));
return clamp(factor * (c - 0.5) + 0.5, vec3(0), vec3(1));
}
mediump float brightness1(mediump float c, mediump float val)
highp float brightness1(highp float c, highp float val)
{
return clamp(c + (val * 2.0 - 1.0), 0.0, 1.0);
}
mediump float contrast1(mediump float c, mediump float val)
highp float contrast1(highp float c, highp float val)
{
val = val * 2.0 - 1.0;
mediump float factor = ((259.0 / 255.0) * (val + 1.0)) / (1.0 * ((259.0 / 255.0) - val));
highp float v = val * 2.0 - 1.0;
highp float factor = ((259.0 / 255.0) * (v + 1.0)) / (1.0 * ((259.0 / 255.0) - v));
return clamp(factor * (c - 0.5) + 0.5, 0.0, 1.0);
}