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annotate shaders/default.f.glsl @ 999:238141756e67

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Set sprite overflow flag if we completely consume sprite rendering capacity for the line even if there is nothing left to draw. This graphical corruption in the vertical stretching scroll section. Needs hardware confirmation.
author Michael Pavone <pavone@retrodev.com>
date Sat, 30 Apr 2016 16:19:19 -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 }