21 lines
560 B
GLSL
21 lines
560 B
GLSL
uniform sampler2DArray qt_Texture0;
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uniform vec3 mtf_param[3];
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uniform bool invert;
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in vec3 qt_TexCoord0;
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layout(location = 0) out vec4 color;
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vec4 MTF(vec4 x, vec4 low, vec4 mid, vec4 high)
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{
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x = (x - low) / (high - low);
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x = clamp(x, vec4(0.0), vec4(1.0));
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return ((mid - 1.0) * x) / ((2.0 * mid - 1.0) * x - mid);
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}
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void main(void)
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{
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color = texture(qt_Texture0, qt_TexCoord0);
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color = MTF(color, vec4(mtf_param[0], 0.0), vec4(mtf_param[1], 0.5), vec4(mtf_param[2], 1.0));
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if(invert)color = vec4(1.0) - color;
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color.a = 1.0;
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}
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