obs-StreamFX/data/examples/shaders/source/flip-ab-texture.effect

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// AUTOGENERATED COPYRIGHT HEADER START
// Copyright (C) 2021-2023 Michael Fabian 'Xaymar' Dirks <info@xaymar.com>
// AUTOGENERATED COPYRIGHT HEADER END
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
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// may be used to endorse or promote products derived from this software
// without specific prior written permission.
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#include "../base.effect"
//-----------------------------------------------------------------------------
// Uniforms
//-----------------------------------------------------------------------------
uniform texture2d TextureA<
string field_type = "input";
>;
uniform texture2d TextureB<
string field_type = "input";
>;
//-----------------------------------------------------------------------------
// Technique: Flip
//-----------------------------------------------------------------------------
uniform float FlipRate<
string name = "Flip Rate";
string field_type = "slider";
string suffix = " Hz";
float minimum = 0.01;
float maximum = 100.0;
float step = 0.01;
float scale = 1.00;
> = 10.0;
float4 PSWave(VertexInformation vtx) : TARGET {
float flip_frequency = 1.f / FlipRate;
if (fmod(Time.x, flip_frequency) < (flip_frequency / 2.f)) {
return TextureA.Sample(LinearClampSampler, vtx.texcoord0.xy);
} else {
return TextureB.Sample(LinearClampSampler, vtx.texcoord0.xy);
}
}
technique Flip {
pass
{
vertex_shader = DefaultVertexShader(vtx);
pixel_shader = PSWave(vtx);
}
}