19 lines
523 B
GLSL
19 lines
523 B
GLSL
|
|
//#define dof
|
|
|
|
uniform float centerDepthSmooth;
|
|
uniform sampler2D depthtex1;
|
|
|
|
const float centerDepthSmoothHalfLife = 16f;
|
|
|
|
vec2 depthOfField() {
|
|
float depth = texture2D(depthtex1, texcoord).x;
|
|
float distance = depth - centerDepthSmooth;
|
|
int stops = min(int(distance * 96), 5);
|
|
|
|
float virtualSize = pow(float(pixelSize), 1 + stops);//1 + stops);
|
|
vec2 view = vec2(viewWidth, viewHeight) / virtualSize;
|
|
float offset = (ceil(virtualSize * 0.5) - 0.5) / virtualSize;
|
|
return (floor(texcoord * view) + offset) / view;
|
|
}
|
|
|