VertexShaderGen: turn pseudo-mod into a simple and

The type of posmtx has changed over time: half -> float -> int.
I assume this is supposed to be a modulo.
This commit is contained in:
Tillmann Karras 2016-02-20 02:52:30 +00:00
parent 1f2b1caf42
commit 4ecd191a7e

View File

@ -135,7 +135,7 @@ static T GenerateVertexShader(API_TYPE api_type)
if (components & VB_HAS_NRMALL) if (components & VB_HAS_NRMALL)
{ {
out.Write("int normidx = posmtx >= 32 ? (posmtx-32) : posmtx;\n"); out.Write("int normidx = posmtx & 31;\n");
out.Write("float3 N0 = " I_NORMALMATRICES"[normidx].xyz, N1 = " I_NORMALMATRICES"[normidx+1].xyz, N2 = " I_NORMALMATRICES"[normidx+2].xyz;\n"); out.Write("float3 N0 = " I_NORMALMATRICES"[normidx].xyz, N1 = " I_NORMALMATRICES"[normidx+1].xyz, N2 = " I_NORMALMATRICES"[normidx+2].xyz;\n");
} }