Mercurial > repos > blastem
view shaders/default.f.glsl @ 1680:326d1a601fb9
Fixed crash bug that could occur in a narrow window of time when loading a ROM
author | Michael Pavone <pavone@retrodev.com> |
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date | Thu, 17 Jan 2019 10:00:24 -0800 |
parents | fa9ae059e4d3 |
children | f3cca4b3f17a |
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uniform sampler2D textures[2]; varying mediump vec2 texcoord; void main() { mediump vec2 modifiedCoord0 = vec2(texcoord.x, (floor(texcoord.y * 512.0 + 0.25) + 0.5)/512.0); mediump vec2 modifiedCoord1 = vec2(texcoord.x, (floor(texcoord.y * 512.0 - 0.25) + 0.5)/512.0); gl_FragColor = mix( texture2D(textures[1], modifiedCoord1), texture2D(textures[0], modifiedCoord0), (sin(texcoord.y * 1024.0 * 3.14159265359) + 1.0) * 0.5 ); }