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update D3D shaders

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This commit is contained in:
Wengier
2021-11-10 03:19:39 -05:00
parent 2a9fea3ee8
commit b3b2998ca2
13 changed files with 29 additions and 29 deletions
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10
contrib/windows/shaders/CRT-geom-blend.fx
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@@ -123,16 +123,16 @@
float2 bkwtrans(float2 xy)
{
float c = intersect(xy);
float2 point = c*xy;
point -= -R*sinangle;
point /= R;
float2 pnt = c*xy;
pnt -= -R*sinangle;
pnt /= R;
float2 tang = sinangle/cosangle;
float2 poc = point/cosangle;
float2 poc = pnt/cosangle;
float A = dot(tang,tang)+1.0;
float B = -2.0*dot(poc,tang);
float C = dot(poc,poc)-1.0;
float a = (-B+sqrt(B*B-4.0*A*C))/(2.0*A);
float2 uv = (point-a*sinangle)/cosangle;
float2 uv = (pnt-a*sinangle)/cosangle;
float r = R*acos(a);
return uv*r/sin(r/R);
}

10
contrib/windows/shaders/CRT-geom-curved.fx
View File

@@ -122,16 +122,16 @@
float2 bkwtrans(float2 xy)
{
float c = intersect(xy);
float2 point = c*xy;
point -= -R*sinangle;
point /= R;
float2 pnt = c*xy;
pnt -= -R*sinangle;
pnt /= R;
float2 tang = sinangle/cosangle;
float2 poc = point/cosangle;
float2 poc = pnt/cosangle;
float A = dot(tang,tang)+1.0;
float B = -2.0*dot(poc,tang);
float C = dot(poc,poc)-1.0;
float a = (-B+sqrt(B*B-4.0*A*C))/(2.0*A);
float2 uv = (point-a*sinangle)/cosangle;
float2 uv = (pnt-a*sinangle)/cosangle;
float r = R*acos(a);
return uv*r/sin(r/R);
}