annotate shaders/default.f.glsl @ 1374:8f404b1fa572

Go back to resetting the refresh counter after a DMA. Probably not quite correct as it is probably reset on VDP triggered refresh, but this is close enough for now given the general limitations with my refresh code. VDP FIFO Testing seems to be passing 100% reliably again (was occassionally failing still with the last commit)
author Michael Pavone <pavone@retrodev.com>
date Tue, 23 May 2017 23:47:40 -0700
parents b1147418254a
children f9fbd0d16df2
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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 - 1.0/1024.0)),
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12 sin((texcoord.y * 1024.0 - 0.75) * 3.14159265359) / 2.0 + 0.5
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13 );
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14 }