64 lines
1.2 KiB
Forth
64 lines
1.2 KiB
Forth
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#version 460 core
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// gbuffer textures
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uniform sampler2D s_albedo;
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uniform sampler2D s_depth;
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uniform sampler2D s_normal;
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uniform sampler2D s_material;
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uniform sampler2D s_position;
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// lights
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#define MAX_LIGHT_COUNT 100
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#define POINT 0
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#define SPOT 1
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#define DIRECTIONAL 2
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#define AMBIENT 3
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struct light_t {
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vec3 color;
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vec3 position;
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vec3 direction;
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float intensity;
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int type;
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};
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uniform light_t lights[MAX_LIGHT_COUNT];
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uniform int light_count;
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uniform vec3 view_pos;
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// from vertex shader
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in vec3 pos;
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in vec2 tex;
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out vec4 FragColor;
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vec3 albedo;
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float depth;
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vec3 normal;
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vec3 material; // specular, roughness, metalic
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vec3 position;
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float specular;
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float roughness;
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float metalic;
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void main() {
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// albedo, normal
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// material, position
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albedo = texture(s_albedo, tex*2).rgb;
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depth = texture(s_depth, tex*2).x;
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normal = normalize(texture(s_normal, tex*2).rgb);
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material = texture(s_material, tex*2).xyz;
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{
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specular = material.x;
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roughness = material.y;
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metalic = material.z;
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}
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position = texture(s_position, tex*2).xyz;
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FragColor = vec4(
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(pos.x < 0 ? (pos.y < 0 ? material : albedo) : (pos.y < 0 ? position : normal)),
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1);
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}
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