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annotate shaders/default.f.glsl @ 922:913a6336ce20

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Shift slot number to slot behavior mapping by six slots in H40 mode. This makes the line change slot align with the point at which the display turns on and off at the end of the active display area. Also fixed a regression in which an external slot got accidentally changed into a sprite draw slot
author Michael Pavone <pavone@retrodev.com>
date Thu, 28 Jan 2016 09:10:14 -0800
parents 0820a71b80f3
children b1147418254a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #version 110
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2
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3 uniform sampler2D textures[2];
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4
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5 varying vec2 texcoord;
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6
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7 void main()
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8 {
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9 gl_FragColor = mix(
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10 texture2D(textures[0], texcoord),
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11 texture2D(textures[1], vec2(texcoord.x, texcoord.y - 1.0/512.0)),
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12 sin((texcoord.y * 512.0 - 0.75) * 3.14159265359) / 2.0 + 0.5
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13 );
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14 }