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54 lines
723 B
GLSL
54 lines
723 B
GLSL
@module shadow_mapper
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@vs vs
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in vec3 pos_in;
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in vec2 uv_in;
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out vec3 pos;
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out vec2 uv;
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uniform vs_params {
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mat4 model;
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mat4 view;
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mat4 projection;
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};
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void main() {
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pos = pos_in;
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uv = uv_in;
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gl_Position = projection * view * model * vec4(pos_in, 1.0);
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}
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@end
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@fs fs
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vec4 encodeDepth(float v) {
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vec4 enc = vec4(1.0, 255.0, 65025.0, 16581375.0) * v;
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enc = fract(enc);
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enc -= enc.yzww * vec4(1.0/255.0,1.0/255.0,1.0/255.0,0.0);
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return enc;
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}
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uniform sampler2D tex;
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in vec3 pos;
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in vec2 uv;
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out vec4 frag_color;
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void main() {
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vec4 col = texture(tex, uv);
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if(col.a < 0.5)
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{
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discard;
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}
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float depth = gl_FragCoord.z;
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frag_color = encodeDepth(depth);
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}
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@end
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@program program vs fs |