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struct VSInput
{
float4 position : POSITION;
float2 coord : TEXCOORD0;
};
cbuffer ConstantBuffer : register(b0)
{
float4x4 mvp;
float2 textureScale;
float dpr;
float color; // for TextMask24 and 32
float4 colorVec; // for TextMask8
};
struct PSInput
{
float4 position : SV_POSITION;
float2 coord : TEXCOORD0;
};
Texture2D tex : register(t0);
SamplerState samp : register(s0);
PSInput VS_TextMask(VSInput input)
{
PSInput result;
result.position = mul(mvp, floor(input.position * dpr + 0.5) / dpr);
result.coord = input.coord * textureScale;
return result;
}
float4 PS_TextMask24(PSInput input) : SV_TARGET
{
float4 glyph = tex.Sample(samp, input.coord);
return float4(glyph.rgb * color, glyph.a);
}
float4 PS_TextMask32(PSInput input) : SV_TARGET
{
return tex.Sample(samp, input.coord) * color;
}
float4 PS_TextMask8(PSInput input) : SV_TARGET
{
return colorVec * tex.Sample(samp, input.coord).a;
}
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