omar/panopainter
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

move shaders into .glsl files and add #include feature

Browse Source
This commit is contained in:
omigamedev
2019-02-21 19:26:40 +01:00
parent 16eb9de358
commit eaab9c79e5
47 changed files with 1124 additions and 777 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
data/shaders/include/blend-stroke.glsl Normal file
View File

@@ -0,0 +1,9 @@
mediump float blend_stroke(mediump float base, mediump float stroke, int mode)
{
if (mode == 0) /* normal */ return (base + stroke) * 0.5;
else if (mode == 1) /* multiply */ return base * stroke;
else if (mode == 2) /* screen */ return 1.0-(1.0-base)*(1.0-stroke);
else if (mode == 3) /* color-dodge */ return base/(1.0-stroke);
else if (mode == 4) /* overlay */ return mix(2.0*base*stroke, 1.0-2.0*(1.0-base)*(1.0-stroke), floor(base*2.0));
else return 1.0;
}