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GUI: new osc renderer, part 22

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or just use highp

to-do: rewrite using fixed point math?
This commit is contained in:
tildearrow 2024-02-19 17:26:58 -05:00
parent cfee9b3810
commit d046713be4
5 changed files with 11 additions and 6 deletions
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4
src/gui/render/renderGL.cpp
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@ -95,6 +95,7 @@ const char* sh_oscRender_srcV=
// thank you akumanatt
const char* sh_oscRender_srcF=
"precision highp float;\n"
"uniform vec4 uColor;\n"
"uniform vec2 uResolution;\n"
"uniform float uLineWidth;\n"
@ -116,8 +117,7 @@ const char* sh_oscRender_srcF=
" float slope=abs(valmax-valmin)*uResolution.y*0.5;\n"
" float slopeDiv=min(uAdvance,(uAdvance/slope));\n"
" float xRight=uv.x+((uLineWidth)/uResolution.x);\n"
" for (float s=0.0; s<max(1,slope); s+=1.0) {\n"
" float x=max(0.0,uv.x-(uLineWidth/uResolution.x)+s*slopeDiv);\n"
" for (float x=max(0.0,uv.x-(uLineWidth/uResolution.x)); x<=xRight; x+=slopeDiv) {\n"
" float val=texture2D(oscVal,vec2(x,1.0)).x*uResolution.y*0.5;\n"
" alpha+=clamp(uLineWidth-distance(vec2(fur_fragCoord.x,fur_fragCoord.y),vec2(x*uResolution.x,val)),0.0,1.0);\n"
" }\n"