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struct VS_out { float4 Position : POSITION; float2 TexCoord0 : TEXCOORD0; float2 TexCoord1 : TEXCOORD1; float4 Color : COLOR0; }; sampler2D tex0 : register(s0); sampler2D tex1 : register(s1); float4 main(VS_out input) : COLOR { float4 color = input.Color; color *= tex2D(tex0, input.TexCoord0.xy); color *= tex2D(tex1, input.TexCoord1.xy); return color; }