| author | František Kučera <franta-hg@frantovo.cz> |
| Wed, 29 Nov 2023 01:27:05 +0100 | |
| branch | v_0 |
| changeset 4 | 9aba96f0b001 |
| parent 2 | 3faef2f5128e |
| permissions | -rw-r--r-- |
| 0 | 1 |
#version 330 core |
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3faef2f5128e
better GLSL variable names
František Kučera <franta-hg@frantovo.cz>
parents:
0
diff
changeset
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uniform sampler2D uTexture; |
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3faef2f5128e
better GLSL variable names
František Kučera <franta-hg@frantovo.cz>
parents:
0
diff
changeset
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in vec2 vTextureXY; |
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3faef2f5128e
better GLSL variable names
František Kučera <franta-hg@frantovo.cz>
parents:
0
diff
changeset
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out vec3 fColor; |
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9aba96f0b001
fragment shader: add grayscale() function
František Kučera <franta-hg@frantovo.cz>
parents:
2
diff
changeset
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vec3 grayscale(vec3 original) {
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9aba96f0b001
fragment shader: add grayscale() function
František Kučera <franta-hg@frantovo.cz>
parents:
2
diff
changeset
|
8 |
const vec3 luminanceWeighting = vec3(0.2125, 0.7154, 0.0721); |
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9aba96f0b001
fragment shader: add grayscale() function
František Kučera <franta-hg@frantovo.cz>
parents:
2
diff
changeset
|
9 |
float luminance = dot(original, luminanceWeighting); |
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9aba96f0b001
fragment shader: add grayscale() function
František Kučera <franta-hg@frantovo.cz>
parents:
2
diff
changeset
|
10 |
return vec3(luminance); |
|
9aba96f0b001
fragment shader: add grayscale() function
František Kučera <franta-hg@frantovo.cz>
parents:
2
diff
changeset
|
11 |
} |
|
9aba96f0b001
fragment shader: add grayscale() function
František Kučera <franta-hg@frantovo.cz>
parents:
2
diff
changeset
|
12 |
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| 0 | 13 |
void main(){
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2
3faef2f5128e
better GLSL variable names
František Kučera <franta-hg@frantovo.cz>
parents:
0
diff
changeset
|
14 |
fColor = texture(uTexture, vTextureXY).rgb; |
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4
9aba96f0b001
fragment shader: add grayscale() function
František Kučera <franta-hg@frantovo.cz>
parents:
2
diff
changeset
|
15 |
// fColor = grayscale(fColor); |
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2
3faef2f5128e
better GLSL variable names
František Kučera <franta-hg@frantovo.cz>
parents:
0
diff
changeset
|
16 |
// fColor *= vec3(0.8, 1., 0.2); |
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} |