| author | František Kučera <franta-hg@frantovo.cz> |
| Sun, 03 Dec 2023 17:26:26 +0100 | |
| branch | v_0 |
| changeset 16 | 0883358bc11d |
| parent 15 | shaders/default.frag@1eb7cfefbeea |
| child 18 | c4384f43c739 |
| 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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3 |
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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4 |
in vec2 vTextureXY; |
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14
ceeb36fad818
transparency/alpha: simple binary transparent/opaque, no blending, just discard some fragments
František Kučera <franta-hg@frantovo.cz>
parents:
11
diff
changeset
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5 |
out vec4 fColor; |
| 0 | 6 |
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void main(){
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14
ceeb36fad818
transparency/alpha: simple binary transparent/opaque, no blending, just discard some fragments
František Kučera <franta-hg@frantovo.cz>
parents:
11
diff
changeset
|
8 |
fColor = texture(uTexture, vTextureXY).rgba; |
|
ceeb36fad818
transparency/alpha: simple binary transparent/opaque, no blending, just discard some fragments
František Kučera <franta-hg@frantovo.cz>
parents:
11
diff
changeset
|
9 |
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16
0883358bc11d
new shader: soften-borders.frag
František Kučera <franta-hg@frantovo.cz>
parents:
15
diff
changeset
|
10 |
float width = 0.01; |
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0883358bc11d
new shader: soften-borders.frag
František Kučera <franta-hg@frantovo.cz>
parents:
15
diff
changeset
|
11 |
fColor.a *= smoothstep(0., 0.+width, vTextureXY.x); |
|
0883358bc11d
new shader: soften-borders.frag
František Kučera <franta-hg@frantovo.cz>
parents:
15
diff
changeset
|
12 |
fColor.a *= smoothstep(1., 1.-width, vTextureXY.x); |
|
0883358bc11d
new shader: soften-borders.frag
František Kučera <franta-hg@frantovo.cz>
parents:
15
diff
changeset
|
13 |
fColor.a *= smoothstep(0., 0.+width, vTextureXY.y); |
|
0883358bc11d
new shader: soften-borders.frag
František Kučera <franta-hg@frantovo.cz>
parents:
15
diff
changeset
|
14 |
fColor.a *= smoothstep(1., 1.-width, vTextureXY.y); |
| 0 | 15 |
} |