48 lines
1.4 KiB
GLSL
48 lines
1.4 KiB
GLSL
#version 330 core
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out vec4 FragColor;
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in vec2 tc;
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uniform sampler2D color;
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uniform sampler2D highlight;
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float rescale_z(float z){
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float n = 0.05;
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float f = 20.;
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return (2*n*f/(z*(n-f)+n+f))/f;
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}
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float weight[5] = float[] (0.227027, 0.1945946, 0.1216216, 0.054054, 0.016216);
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vec4 blur()
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{
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vec2 tex_offset = 1.0 / textureSize(color, 0); // gets size of single texel
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vec3 result = texture(highlight, tc).rgb * weight[0]; // current fragment's contribution
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bool horizontal = true;
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if(horizontal)
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{
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for(int i = 1; i < 5; ++i)
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{
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result += texture(highlight, tc + vec2(tex_offset.x * i, 0.0)).rgb * weight[i];
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result += texture(highlight, tc - vec2(tex_offset.x * i, 0.0)).rgb * weight[i];
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}
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}
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else
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{
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for(int i = 1; i < 5; ++i)
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{
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result += texture(highlight, tc + vec2(0.0, tex_offset.y * i)).rgb * weight[i];
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result += texture(highlight, tc - vec2(0.0, tex_offset.y * i)).rgb * weight[i];
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}
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}
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return vec4(result, 1.0);
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}
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void main()
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{
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//float depthValue = texture(depthMap, tc).r;
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//FragColor = vec4(vec3(rescale_z(depthValue)+0.5), 1.0);
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//FragColor = vec4(vec3((depthValue)+0.5), 1.0);
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FragColor = vec4(texture(highlight, tc).rgb+texture(color, tc).rgb,1);
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//FragColor = vec4( (texture(color, tc)-0.98)*50);
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} |