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add some parameters and remove distortion from crt-mattias

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hunterk 2019-01-14 10:22:03 -06:00
parent 3c4311d482
commit 969a763d35
1 changed files with 16 additions and 11 deletions
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27
crt/shaders/crt-mattias.slang
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@ -10,8 +10,13 @@ layout(push_constant) uniform Push
vec4 OriginalSize; vec4 OriginalSize;
vec4 OutputSize; vec4 OutputSize;
uint FrameCount; uint FrameCount;
float CURVATURE;
float SCANSPEED;
} params; } params;
#pragma parameter CURVATURE "Curvature" 0.5 0.0 1.0 0.05
#pragma parameter SCANSPEED "Scanline Crawl Speed" 1.0 0.0 10.0 0.5
layout(std140, set = 0, binding = 0) uniform UBO layout(std140, set = 0, binding = 0) uniform UBO
{ {
mat4 MVP; mat4 MVP;
@ -113,22 +118,22 @@ void main()
{ {
vec2 q = fragCoord.xy / iResolution.xy; vec2 q = fragCoord.xy / iResolution.xy;
vec2 uv = q; vec2 uv = q;
uv = mix( curve( uv ), uv, 0.5 ); uv = mix( uv, curve( uv ), params.CURVATURE );
vec3 oricol = texture( iChannel0, vec2(q.x,q.y) ).xyz; vec3 oricol = texture( iChannel0, vec2(q.x,q.y) ).xyz;
vec3 col; vec3 col;
float x = sin(0.1*iTime+uv.y*21.0)*sin(0.23*iTime+uv.y*29.0)*sin(0.3+0.11*iTime+uv.y*31.0)*0.0017; float x = sin(0.1*iTime+uv.y*21.0)*sin(0.23*iTime+uv.y*29.0)*sin(0.3+0.11*iTime+uv.y*31.0)*0.0017;
float o =2.0*mod(fragCoord.y,2.0)/iResolution.x; float o =2.0*mod(fragCoord.y,2.0)/iResolution.x;
x+=o; x+=o;
col.r = 1.0*blur(iChannel0,vec2(x+uv.x+0.0009,uv.y+0.0009),1.2).x+0.005; col.r = 1.0*blur(iChannel0,vec2(uv.x+0.0009,uv.y+0.0009),1.2).x+0.005;
col.g = 1.0*blur(iChannel0,vec2(x+uv.x+0.000,uv.y-0.0015),1.2).y+0.005; col.g = 1.0*blur(iChannel0,vec2(uv.x+0.000,uv.y-0.0015),1.2).y+0.005;
col.b = 1.0*blur(iChannel0,vec2(x+uv.x-0.0015,uv.y+0.000),1.2).z+0.005; col.b = 1.0*blur(iChannel0,vec2(uv.x-0.0015,uv.y+0.000),1.2).z+0.005;
col.r += 0.2*blur(iChannel0,vec2(x+uv.x+0.0009,uv.y+0.0009),2.25).x-0.005; col.r += 0.2*blur(iChannel0,vec2(uv.x+0.0009,uv.y+0.0009),2.25).x-0.005;
col.g += 0.2*blur(iChannel0,vec2(x+uv.x+0.000,uv.y-0.0015),1.75).y-0.005; col.g += 0.2*blur(iChannel0,vec2(uv.x+0.000,uv.y-0.0015),1.75).y-0.005;
col.b += 0.2*blur(iChannel0,vec2(x+uv.x-0.0015,uv.y+0.000),1.25).z-0.005; col.b += 0.2*blur(iChannel0,vec2(uv.x-0.0015,uv.y+0.000),1.25).z-0.005;
float ghs = 0.05; float ghs = 0.05;
col.r += ghs*(1.0-0.299)*blur(iChannel0,0.75*vec2(x-0.01, -0.027)+vec2(uv.x+0.001,uv.y+0.001),7.0).x; col.r += ghs*(1.0-0.299)*blur(iChannel0,0.75*vec2(0.01, -0.027)+vec2(uv.x+0.001,uv.y+0.001),7.0).x;
col.g += ghs*(1.0-0.587)*blur(iChannel0,0.75*vec2(x+-0.022, -0.02)+vec2(uv.x+0.000,uv.y-0.002),5.0).y; col.g += ghs*(1.0-0.587)*blur(iChannel0,0.75*vec2(-0.022, -0.02)+vec2(uv.x+0.000,uv.y-0.002),5.0).y;
col.b += ghs*(1.0-0.114)*blur(iChannel0,0.75*vec2(x+-0.02, -0.0)+vec2(uv.x-0.002,uv.y+0.000),3.0).z; col.b += ghs*(1.0-0.114)*blur(iChannel0,0.75*vec2(-0.02, -0.0)+vec2(uv.x-0.002,uv.y+0.000),3.0).z;
col = clamp(col*0.4+0.6*col*col*1.0,0.0,1.0); col = clamp(col*0.4+0.6*col*col*1.0,0.0,1.0);
@ -139,7 +144,7 @@ void main()
col *= vec3(0.95,1.05,0.95); col *= vec3(0.95,1.05,0.95);
col = mix( col, col * col, 0.3) * 3.8; col = mix( col, col * col, 0.3) * 3.8;
float scans = clamp( 0.35+0.15*sin(3.5*iTime+uv.y*iResolution.y*1.5), 0.0, 1.0); float scans = clamp( 0.35+0.15*sin(3.5*(iTime * params.SCANSPEED)+uv.y*iResolution.y*1.5), 0.0, 1.0);
float s = pow(scans,0.9); float s = pow(scans,0.9);
col = col*vec3( s) ; col = col*vec3( s) ;