obs-studio/plugins/obs-transitions/data/slide_transition.effect

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uniform float4x4 ViewProj;
uniform texture2d tex_a;
uniform texture2d tex_b;
uniform float2 tex_a_dir;
uniform float2 tex_b_dir;
sampler_state textureSampler {
Filter = Linear;
AddressU = Clamp;
AddressV = Clamp;
};
struct VertData {
float4 pos : POSITION;
float2 uv : TEXCOORD0;
};
#include "premultiplied.inc"
VertData VSDefault(VertData v_in)
{
VertData vert_out;
vert_out.pos = mul(float4(v_in.pos.xyz, 1.0), ViewProj);
vert_out.uv = v_in.uv;
return vert_out;
}
float4 PSSlide(VertData v_in) : TARGET
{
float2 tex_a_uv = v_in.uv + tex_a_dir;
float2 tex_b_uv = v_in.uv - tex_b_dir;
float4 outc;
outc = (tex_a_uv.x - saturate(tex_a_uv.x) != 0.0) ||
(tex_a_uv.y - saturate(tex_a_uv.y) != 0.0)
? tex_b.Sample(textureSampler, tex_b_uv)
: tex_a.Sample(textureSampler, tex_a_uv);
return convert_pmalpha(outc);
}
technique Slide
{
pass
{
vertex_shader = VSDefault(v_in);
pixel_shader = PSSlide(v_in);
}
}