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use high on painting shaders

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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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8
data/shaders/comp-erase.glsl
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@@ -23,13 +23,13 @@ uniform mediump float alpha;
uniform mediump vec2 resolution;
uniform bool mask;
in mediump vec2 uv;
out mediump vec4 frag;
in highp vec2 uv;
out highp vec4 frag;
void main()
{
mediump vec4 base = texture(tex, uv);
mediump vec4 stroke = texture(tex_stroke, uv);
highp vec4 base = texture(tex, uv);
highp vec4 stroke = texture(tex_stroke, uv);
stroke.a = mask ? stroke.a * blur(tex_mask, uv).r : stroke.a;
frag = vec4(base.rgb, clamp((base.a - stroke.a) * alpha, 0.0, 1.0));
}