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sampler_state textureSampler{
Filter = Linear;
AddressU = Clamp;
AddressV = Clamp;
MinLOD = 0;
MaxLOD = 0;
};
struct VertData
{
float4 pos : POSITION;
float2 uv : TEXCOORD0;
};
float2 global_transform(float2 uv_in, float2 shift, float rot)
{
uv_in -= shift;
uv_in = uv_in * uv_size;
uv_in += global_offset;
uv_in = float2(uv_in.x * cos(rot) - uv_in.y * sin(rot), uv_in.x * sin(rot) + uv_in.y * cos(rot));
uv_in = uv_in / uv_size;
uv_in += shift;
return uv_in;
}
float2 transform(float2 uv_in, float2 shift, float rot)
{
uv_in -= shift;
uv_in = uv_in * uv_size;
uv_in = float2(uv_in.x * cos(rot) - uv_in.y * sin(rot), uv_in.x * sin(rot) + uv_in.y * cos(rot));
uv_in = uv_in / uv_size;
uv_in += shift;
return uv_in;
}
float4 adjustments(float4 color, float b, float c)
{
// Calculate Contrast Value
float ca = c < 0.0f ? 1.0f / (-c + 1.0f) : (c + 1.0f);
float3 col = float3(
ca * color.r + b,
ca * color.g + b,
ca * color.b + b
);
col = ridged ? 1.0 - col : col;
return float4(col.r, col.g, col.b, color.a);
}
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