83 lines
3.7 KiB
GLSL
83 lines
3.7 KiB
GLSL
uniform sampler2D tex;
|
|
uniform sampler2D dtex;
|
|
uniform mat4 invprojm;
|
|
uniform vec2 screen;
|
|
|
|
in vec2 uv;
|
|
out vec4 FragColor;
|
|
|
|
float focalDepth = 10.;
|
|
float maxblur = 1.;
|
|
float range = 100.;
|
|
|
|
void main()
|
|
{
|
|
float curdepth = texture(dtex, uv).x;
|
|
vec4 FragPos = invprojm * (2.0f * vec4(uv, curdepth, 1.0f) - 1.0f);
|
|
FragPos /= FragPos.w;
|
|
|
|
float depth = FragPos.z;
|
|
float blur = clamp(abs(depth - focalDepth) / range, -maxblur, maxblur);
|
|
|
|
vec2 offset = 10. / screen;
|
|
|
|
vec4 col = texture2D(tex, uv);
|
|
vec4 colOriginal = col;
|
|
// Weight from here http://artmartinsh.blogspot.fr/2010/02/glsl-lens-blur-filter-with-bokeh.html
|
|
|
|
col += texture2D(tex, uv + (vec2(0.0, 0.4) * offset) * blur);
|
|
col += texture2D(tex, uv + (vec2(0.15, 0.37) * offset) * blur);
|
|
col += texture2D(tex, uv + (vec2(0.29,0.29) * offset) * blur);
|
|
col += texture2D(tex, uv + (vec2(-0.37,0.15) * offset) * blur);
|
|
col += texture2D(tex, uv + (vec2(0.4, 0.0) * offset) * blur);
|
|
col += texture2D(tex, uv + (vec2(0.37, -0.15) * offset) * blur);
|
|
col += texture2D(tex, uv + (vec2(0.29, -0.29) * offset) * blur);
|
|
col += texture2D(tex, uv + (vec2(-0.15, -0.37) * offset) * blur);
|
|
col += texture2D(tex, uv + (vec2(0.0, -0.4) * offset) * blur);
|
|
col += texture2D(tex, uv + (vec2(-0.15, 0.37) * offset) * blur);
|
|
col += texture2D(tex, uv + (vec2(-0.29, 0.29) * offset) * blur);
|
|
col += texture2D(tex, uv + (vec2(0.37, 0.15) * offset) * blur);
|
|
col += texture2D(tex, uv + (vec2(-0.4, 0.0) * offset) * blur);
|
|
col += texture2D(tex, uv + (vec2(-0.37, -0.15) * offset) * blur);
|
|
col += texture2D(tex, uv + (vec2(-0.29, -0.29) * offset) * blur);
|
|
col += texture2D(tex, uv + (vec2(0.15, -0.37) * offset) * blur);
|
|
|
|
col += texture2D(tex, uv + (vec2(0.15, 0.37) * offset) * blur * 0.9);
|
|
col += texture2D(tex, uv + (vec2(-0.37, 0.15) * offset) * blur * 0.9);
|
|
col += texture2D(tex, uv + (vec2(0.37, -0.15) * offset) * blur * 0.9);
|
|
col += texture2D(tex, uv + (vec2(-0.15, -0.37) * offset) * blur * 0.9);
|
|
col += texture2D(tex, uv + (vec2(-0.15, 0.37) * offset) * blur * 0.9);
|
|
col += texture2D(tex, uv + (vec2(0.37, 0.15) * offset) * blur * 0.9);
|
|
col += texture2D(tex, uv + (vec2(-0.37, -0.15) * offset) * blur * 0.9);
|
|
col += texture2D(tex, uv + (vec2(0.15, -0.37) * offset) * blur * 0.9);
|
|
|
|
col += texture2D(tex, uv + (vec2(0.29, 0.29) * offset) * blur * 0.7);
|
|
col += texture2D(tex, uv + (vec2(0.4, 0.0) * offset) * blur * 0.7);
|
|
col += texture2D(tex, uv + (vec2(0.29, -0.29) * offset) * blur * 0.7);
|
|
col += texture2D(tex, uv + (vec2(0.0, -0.4) * offset) * blur * 0.7);
|
|
col += texture2D(tex, uv + (vec2(-0.29, 0.29) * offset) * blur * 0.7);
|
|
col += texture2D(tex, uv + (vec2(-0.4, 0.0) * offset) * blur * 0.7);
|
|
col += texture2D(tex, uv + (vec2(-0.29, -0.29) * offset) * blur * 0.7);
|
|
col += texture2D(tex, uv + (vec2(0.0, 0.4) * offset) * blur *0.7);
|
|
|
|
col += texture2D(tex, uv + (vec2(0.29, 0.29) * offset) * blur * 0.4);
|
|
col += texture2D(tex, uv + (vec2(0.4, 0.0) * offset) * blur * 0.4);
|
|
col += texture2D(tex, uv + (vec2(0.29, -0.29) * offset) * blur * 0.4);
|
|
col += texture2D(tex, uv + (vec2(0.0, -0.4) * offset) * blur * 0.4);
|
|
col += texture2D(tex, uv + (vec2(-0.29, 0.29) * offset) * blur * 0.4);
|
|
col += texture2D(tex, uv + (vec2(-0.4, 0.0) * offset) * blur * 0.4);
|
|
col += texture2D(tex, uv + (vec2(-0.29, -0.29) * offset) * blur * 0.4);
|
|
col += texture2D(tex, uv + (vec2(0.0, 0.4) * offset) * blur * 0.4);
|
|
|
|
col = vec4(col.rgb / 41.0, col.a);
|
|
depth = clamp((FragPos.z/280), 0., 1.);
|
|
depth = (1 - depth);
|
|
vec3 final = colOriginal.rgb * depth + col.rgb * (1 - depth);
|
|
|
|
/*
|
|
FragColor.xyz = vec3(depth);
|
|
FragColor.a = 1.0;
|
|
*/
|
|
FragColor = vec4(final, 1.);
|
|
}
|