98 lines
3.0 KiB
GLSL
98 lines
3.0 KiB
GLSL
#version 330
|
|
|
|
layout(location=0) out vec4 mgl_FragColor;
|
|
|
|
uniform sampler2D tex;
|
|
uniform sampler2D depthmap;
|
|
//uniform sampler2D objectmap;
|
|
|
|
in vec2 texcoords_pass;
|
|
|
|
const vec2 dirs[]=vec2[8] (vec2(1.0f/512.0f,0.0f),vec2(-1.0f/512.0f,0.0f),vec2(0.0f,1.0f/512.0f),vec2(0.0f,-1.0f/512.0f),vec2(1.0f/512.0f,1.0f/512.0f),vec2(-1.0f/512.0f,-1.0f/512.0f)
|
|
,vec2(-1.0f/512.0f,1.0f/512.0f),vec2(1.0f/512.0f,-1.0f/512.0f));
|
|
|
|
vec4 average(float radius, float s)
|
|
{
|
|
vec4 result=texture(tex,texcoords_pass);
|
|
float sum=1.0f;
|
|
for (float i=0; i < radius; i+= s) {
|
|
for (int j=0; j < 8; j++) {
|
|
result+=texture(tex,texcoords_pass+i*dirs[j]);
|
|
}
|
|
sum+=8;
|
|
}
|
|
return result/sum;
|
|
}
|
|
|
|
/*vec4 average2(float radius, float s, vec2 tc)
|
|
{
|
|
vec4 start=texture(tex,tc);
|
|
float sd=texture(depthmap,tc).x;
|
|
vec4 result=texture(tex,tc);
|
|
float sum=1.0f;
|
|
for (float i=0; i < radius; i+= s) {
|
|
for (int j=0; j < 8; j++) {
|
|
float w=texture(objectmap, tc+i*dirs[j]).x*abs(1.0-abs(texture(depthmap, tc+i*dirs[j]).x-sd));
|
|
result+=texture(tex,tc+i*dirs[j])*w;
|
|
sum+=w;
|
|
}
|
|
}
|
|
return result/sum;
|
|
}*/
|
|
|
|
float edge(float radius, float s, vec2 tc)
|
|
{
|
|
float sd=texture(depthmap,tc).x;
|
|
if (sd==1.0f) {
|
|
return 0.0f;
|
|
}
|
|
float edge=1.0f;
|
|
for (float i=0; i < radius; i+= s) {
|
|
for (int j=0; j < 8; j++) {
|
|
float w=abs(1-abs(texture(depthmap, tc+i*dirs[j]).x-sd));
|
|
edge*=w;
|
|
}
|
|
}
|
|
return edge;
|
|
}
|
|
|
|
float edge_texture(float radius, float s, vec2 tc)
|
|
{
|
|
vec3 sd=texture(tex,tc).xyz;
|
|
if (sd.x+sd.y+sd.z==0.0f) {
|
|
return 0.0f;
|
|
}
|
|
float edge=1.0f;
|
|
for (float i=0;i < radius; i+= s) {
|
|
for (int j=0; j < 8; j++) {
|
|
vec3 rgb=texture(tex, tc+i*dirs[j]).xyz;
|
|
vec3 diff=round(vec3(1,1,1)-abs(rgb-sd)*vec3(4,4,4))/2.5f;
|
|
float w=diff.x*diff.y*diff.z;
|
|
edge*=w*w;
|
|
}
|
|
}
|
|
return sqrt(edge);
|
|
}
|
|
|
|
void main (void)
|
|
{
|
|
float depth=texture(depthmap,vec2(0.5f,0.5f)).x;
|
|
float depth_here=texture(depthmap,texcoords_pass).x;
|
|
float difference=abs(depth-depth_here);
|
|
vec4 texcol=texture(tex, texcoords_pass);
|
|
//vec2 texcolor=texture(tex, texcoords_pass);
|
|
//vec2 temp=vec2(texcoords_pass.x,texcoords_pass.y);
|
|
//vec2 t2=vec2(tan(texcoords_pass.x),tan(texcoords_pass.y));
|
|
//vec2 t2=vec2(tan(asin(texcoords_pass.x)),tan(acos(texcoords_pass.y)));
|
|
//vec2 r=refract(temp,vec2(1.0f,1.0f),1.33f*(1.0f-difference));
|
|
//vec2 r=refract(texcoords_pass,t2,difference);
|
|
//vec4 texture_color=average2(/*difference*20*/dot(r,texcoords_pass)*5,0.9f,r);
|
|
//vec4 texture_color=average(difference*20,0.9f);
|
|
float green=length(vec3(texcol.x*difference*10,texcol.y/depth_here,texcol.z*depth));
|
|
//float edge=edge(2.0f,0.9f,texcoords_pass);
|
|
float edge=0.0f;
|
|
float edge_tex=max(edge,edge_texture(2.0f,0.9f,texcoords_pass));
|
|
mgl_FragColor=clamp(vec4(depth_here,depth_here,depth_here,1.0f),0.0f,1.0f);
|
|
//mgl_FragColor=clamp(vec4(edge_tex,edge_tex,edge_tex,1.0f),0.0f,1.0f);
|
|
mgl_FragColor=vec4(clamp(texcol.xyz,0,1.0f), 1.0f);
|
|
} |