raylib/examples/models/resources/shaders/glsl100/skybox.fs
2019-05-17 20:03:04 +02:00

32 lines
774 B
GLSL

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