a969e82954
Override the new mutter preference /apps/mutter/general/attach_modal_dialogs to attach modal dialogs to their parent window. Animate the modal dialogs expanding from the top of the parent window. Slowly dim the parent window after the dialog comes up. https://bugzilla.gnome.org/show_bug.cgi?id=612726
27 lines
925 B
GLSL
27 lines
925 B
GLSL
#version 100
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uniform sampler2D sampler0;
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uniform float fraction;
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uniform float height;
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const float c = -0.2;
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const float border_max_height = 60.0;
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mat4 contrast = mat4 (1.0 + c, 0.0, 0.0, 0.0,
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0.0, 1.0 + c, 0.0, 0.0,
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0.0, 0.0, 1.0 + c, 0.0,
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0.0, 0.0, 0.0, 1.0);
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vec4 off = vec4(0.633, 0.633, 0.633, 0);
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void main()
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{
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vec4 color = texture2D(sampler0, gl_TexCoord[0].st);
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float y = height * gl_TexCoord[0][1];
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// To reduce contrast, blend with a mid gray
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gl_FragColor = color * contrast - off * c;
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// We only fully dim at a distance of BORDER_MAX_HEIGHT from the edge and
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// when the fraction is 1.0. For other locations and fractions we linearly
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// interpolate back to the original undimmed color.
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gl_FragColor = color + (gl_FragColor - color) * min(y / border_max_height, 1.0);
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gl_FragColor = color + (gl_FragColor - color) * fraction;
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}
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