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31 lines
774 B
31 lines
774 B
/*******************************************************************************************
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*
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* rPBR [shader] - Background skybox fragment shader
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*
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* Copyright (c) 2017 Victor Fisac
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*
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**********************************************************************************************/
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#version 330
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// Input vertex attributes (from vertex shader)
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in vec3 fragPosition;
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// Input uniform values
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uniform samplerCube environmentMap;
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// Output fragment color
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out vec4 finalColor;
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void main()
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{
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// Fetch color from texture map
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vec3 color = texture(environmentMap, fragPosition).rgb;
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// Apply gamma correction
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color = color/(color + vec3(1.0));
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color = pow(color, vec3(1.0/2.2));
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// Calculate final fragment color
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finalColor = vec4(color, 1.0);
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}
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