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21 lines
439 B
21 lines
439 B
#version 330 core |
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out vec4 FragColor; |
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in vec2 TexCoords; |
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uniform sampler2D screenTexture; |
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const float gamma = 2.2; |
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uniform float exposure = 0.8; |
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void main() |
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{ |
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vec3 hdrcol = texture(screenTexture, TexCoords).rgb; |
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vec3 mapped = vec3(1.0) - exp((-hdrcol) * exposure); |
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//vec3 mapped = hdrcol / (hdrcol + vec3(1.0)); |
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// gamma correction |
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mapped = pow(mapped, vec3(1.0 / gamma)); |
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FragColor = vec4(mapped, 1.0); |
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}
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