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annotate shaders/default.f.glsl @ 724:2174f92c5f9b

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Fix bug in vdp_next_hint that was causing HINTs to fire repeatedly when they should not have fired at all based on an HINT interval that was larger than the number of active lines in the display
author Michael Pavone <pavone@retrodev.com>
date Fri, 22 May 2015 18:38:44 -0700
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 }