stk-code_catmod/data/shaders/linearizedepth.frag

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453 B
GLSL
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uniform sampler2D tex;
uniform float zn;
uniform float zf;
layout (std140) uniform MatrixesData
{
mat4 ViewMatrix;
mat4 ProjectionMatrix;
mat4 InverseViewMatrix;
mat4 InverseProjectionMatrix;
mat4 ShadowViewProjMatrixes[4];
vec2 screen;
};
out float Depth;
void main()
{
vec2 uv = gl_FragCoord.xy / screen;
float d = texture(tex, uv).x;
float c0 = zn * zf, c1 = zn - zf, c2 = zf;
Depth = c0 / (d * c1 + c2);
}