63 lines
1.3 KiB
Text
63 lines
1.3 KiB
Text
// Based rendermix wipe shader
|
|
// https://github.com/rectalogic/rendermix-basic-effects/blob/master/assets/com/rendermix/Wipe/Wipe.frag
|
|
|
|
uniform float4x4 ViewProj;
|
|
uniform texture2d a_tex;
|
|
uniform texture2d b_tex;
|
|
uniform texture2d l_tex;
|
|
uniform float progress;
|
|
uniform bool invert;
|
|
uniform float softness;
|
|
|
|
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 PSLumaWipe(VertData v_in) : TARGET
|
|
{
|
|
float2 uv = v_in.uv;
|
|
float4 a_color = convert_pmalpha(a_tex.Sample(textureSampler, uv));
|
|
float4 b_color = convert_pmalpha(b_tex.Sample(textureSampler, uv));
|
|
float luma = l_tex.Sample(textureSampler, uv).x;
|
|
|
|
if (invert)
|
|
luma = 1.0f - luma;
|
|
|
|
float time = lerp(0.0f, 1.0f + softness, progress);
|
|
|
|
if (luma <= time - softness)
|
|
return b_color;
|
|
|
|
if (luma >= time)
|
|
return a_color;
|
|
|
|
float alpha = (time - luma) / softness;
|
|
|
|
return lerp(a_color, b_color, alpha);
|
|
}
|
|
|
|
technique LumaWipe
|
|
{
|
|
pass
|
|
{
|
|
vertex_shader = VSDefault(v_in);
|
|
pixel_shader = PSLumaWipe(v_in);
|
|
}
|
|
}
|