Markus Isberg
51 lines
1.5 KiB
HLSL
51 lines
1.5 KiB
HLSL
|
|
Texture2D xTexture;
|
|
sampler TextureSampler : register (s0) = sampler_state { Texture = <xTexture>; };
|
|
|
|
Texture2D xStencil;
|
|
sampler StencilSampler = sampler_state { Texture = <xStencil>; };
|
|
|
|
float aCutoff;
|
|
float4x4 wearableUvToClipperUv;
|
|
float clipperTexelSize;
|
|
|
|
float2 stencilUVmin, stencilUVmax;
|
|
|
|
float stencilSample(float2 texCoord, float2 offset)
|
|
{
|
|
return xStencil.Sample(
|
|
StencilSampler,
|
|
mul(float4(texCoord.x, texCoord.y, 0, 1), wearableUvToClipperUv).xy + offset).a;
|
|
}
|
|
|
|
float4 main(float4 position : POSITION0, float4 color : COLOR0, float2 texCoord : TEXCOORD0) : COLOR0
|
|
{
|
|
float4 c = xTexture.Sample(TextureSampler, texCoord) * color;
|
|
|
|
float2 stencilUV = mul(float4(texCoord.x, texCoord.y, 0, 1), wearableUvToClipperUv).xy;
|
|
clip(stencilUV.x - stencilUVmin.x);
|
|
clip(stencilUV.y - stencilUVmin.y);
|
|
clip(stencilUVmax.x - stencilUV.x);
|
|
clip(stencilUVmax.y - stencilUV.y);
|
|
|
|
float minStencil = stencilSample(texCoord, float2(0,0));
|
|
minStencil = min(minStencil, stencilSample(texCoord, float2(-clipperTexelSize,0)));
|
|
minStencil = min(minStencil, stencilSample(texCoord, float2(clipperTexelSize,0)));
|
|
minStencil = min(minStencil, stencilSample(texCoord, float2(0,-clipperTexelSize)));
|
|
minStencil = min(minStencil, stencilSample(texCoord, float2(0,clipperTexelSize)));
|
|
|
|
float aDiff = minStencil - aCutoff;
|
|
|
|
clip(aDiff);
|
|
|
|
return c;
|
|
}
|
|
|
|
technique StencilShader
|
|
{
|
|
pass Pass1
|
|
{
|
|
PixelShader = compile ps_4_0_level_9_1 main();
|
|
}
|
|
}
|