74 lines
1.6 KiB
GLSL
74 lines
1.6 KiB
GLSL
#version 330
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// Input vertex attributes (from vertex shader)
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in vec3 vertexPos;
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in vec2 fragTexCoord;
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in vec4 fragColor;
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// Input uniform values
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uniform sampler2D texture0;
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uniform sampler2D texture1;
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uniform vec4 colDiffuse;
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uniform float divider = 0.5;
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out vec4 finalColor;
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float float_to_srgb(float l) {
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if (l < 0.0031308) {
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return l * 12.92;
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} else {
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return 1.055 * pow(l, 0.41666) - 0.055;
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}
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}
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vec4 linear_to_srgb(vec4 linear) {
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vec4 srgb;
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if (linear.r < 0.0031308) {
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srgb.r = linear.r * 12.92;
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} else {
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srgb.r = 1.055 * pow(linear.r, 0.41666) - 0.055;
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}
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if (linear.g < 0.0031308) {
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srgb.g = linear.g * 12.92;
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} else {
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srgb.g = 1.055 * pow(linear.g, 0.41666) - 0.055;
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}
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if (linear.b < 0.0031308) {
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srgb.b = linear.b * 12.92;
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} else {
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srgb.b = 1.055 * pow(linear.b, 0.41666) - 0.055;
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}
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srgb.a = linear.a;
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return srgb;
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}
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float float_to_linear(float s) {
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if (s <= 0.04045) {
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return s / 12.92;
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} else {
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return pow((s + 0.055) / 1.055, 2.4);
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}
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}
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vec4 srgb_to_linear(vec4 srgb) {
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return vec4(float_to_linear(srgb.r), float_to_linear(srgb.g), float_to_linear(srgb.b), srgb.a);
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}
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void main() {
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// // Texel color fetching from texture sampler
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vec4 texelColor0 = texture(texture0, fragTexCoord);
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// vec4 texelColor1 = texture(texture1, fragTexCoord);
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// float x = fract(fragTexCoord.s);
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// float final = smoothstep(divider - 0.1, divider + 0.1, x);
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finalColor = vec4(1, 1, 1, texelColor0.r); //xelColor0;
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// finalColor = vec4(1, 1, 0.0, 1.0);
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}
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