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armorpaint/lab/shaders/layer_copy_rrrr.kong
T
luboslenco 3dbdf2b3ed Cleanup
2025-08-07 14:58:38 +02:00

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#[set(everything)]
const constants: {
empty: float4;
};
#[set(everything)]
const sampler_linear: sampler;
#[set(everything)]
const tex: tex2d;
struct vert_in {
pos: float2;
}
struct vert_out {
pos: float4;
tex: float2;
}
fun layer_copy_rrrr_vert(input: vert_in): vert_out {
var output: vert_out;
output.tex = input.pos.xy * 0.5 + 0.5;
output.tex.y = 1.0 - output.tex.y;
output.pos = float4(input.pos.xy, 0.0, 1.0);
return output;
}
fun layer_copy_rrrr_frag(input: vert_out): float4 {
return sample_lod(tex, sampler_linear, input.tex, 0.0).rrrr;
}
#[pipe]
struct pipe {
vertex = layer_copy_rrrr_vert;
fragment = layer_copy_rrrr_frag;
}