54 lines
1.1 KiB
Plaintext
54 lines
1.1 KiB
Plaintext
float4x4 matWVP : register(c0);
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float4x4 matWorld : register(c12);
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float4x4 matWorldI : register(c16);
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float3 viewPos : register(c4);
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float3 viewDir : register(c10);
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float4 res : register(c5);
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struct vsIn
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{
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float4 p : POSITION;
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float3 n : NORMAL;
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float4 c : COLOR;
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float2 t : TEXCOORD;
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};
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struct vsOut
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{
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float4 p : POSITION;
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float4 c : COLOR0;
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float2 t : TEXCOORD0;
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float3 n : TEXCOORD1;
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float3 v : TEXCOORD2;
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float4 s : TEXCOORD3;
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float3 w : TEXCOORD4;
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float3 o : TEXCOORD5;
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};
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vsOut vs_main(vsIn i)
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{
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vsOut o;
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// Basic transformation of untransformed vertex into clip-space
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o.p= mul(i.p, matWVP);
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// No scaling or translation is done, simply assign them and let the GPU interpolate
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o.c = i.c;
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o.t = i.t;
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o.o = i.p;
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// Trasform to world space
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o.w= mul(i.p, matWorld).xyz;
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o.n= mul(i.n, transpose((float3x3)matWorldI));
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//OUT.normal = mul(matWorldIT, IN.normal);
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// Calculate the view vector
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o.v= viewPos - o.w;
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// (Pre-proj biased screen texcoords, unscaled z, w)
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o.s = o.p;
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o.s.xy = o.s.xy * float2(.5f, -.5f) + o.s.w * (.5f + .5f * res.zw);
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o.s.z = dot(o.w - viewPos, viewDir);
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return o;
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};
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