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* Quads, QuadStrip and const attributes support * Add support for half float attributes and fix texture pitch alignment * Throw when an unsupported float type is used as const attribute aswell
81 lines
2.3 KiB
C#
81 lines
2.3 KiB
C#
using System;
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namespace Ryujinx.Graphics
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{
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static class QuadHelper
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{
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public static int ConvertIbSizeQuadsToTris(int Size)
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{
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return Size <= 0 ? 0 : (Size / 4) * 6;
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}
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public static int ConvertIbSizeQuadStripToTris(int Size)
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{
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return Size <= 1 ? 0 : ((Size - 2) / 2) * 6;
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}
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public static byte[] ConvertIbQuadsToTris(byte[] Data, int EntrySize, int Count)
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{
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int PrimitivesCount = Count / 4;
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int QuadPrimSize = 4 * EntrySize;
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int TrisPrimSize = 6 * EntrySize;
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byte[] Output = new byte[PrimitivesCount * 6 * EntrySize];
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for (int Prim = 0; Prim < PrimitivesCount; Prim++)
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{
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void AssignIndex(int Src, int Dst, int CopyCount = 1)
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{
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Src = Prim * QuadPrimSize + Src * EntrySize;
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Dst = Prim * TrisPrimSize + Dst * EntrySize;
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Buffer.BlockCopy(Data, Src, Output, Dst, CopyCount * EntrySize);
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}
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//0 1 2 -> 0 1 2.
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AssignIndex(0, 0, 3);
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//2 3 -> 3 4.
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AssignIndex(2, 3, 2);
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//0 -> 5.
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AssignIndex(0, 5);
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}
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return Output;
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}
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public static byte[] ConvertIbQuadStripToTris(byte[] Data, int EntrySize, int Count)
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{
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int PrimitivesCount = (Count - 2) / 2;
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int QuadPrimSize = 2 * EntrySize;
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int TrisPrimSize = 6 * EntrySize;
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byte[] Output = new byte[PrimitivesCount * 6 * EntrySize];
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for (int Prim = 0; Prim < PrimitivesCount; Prim++)
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{
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void AssignIndex(int Src, int Dst, int CopyCount = 1)
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{
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Src = Prim * QuadPrimSize + Src * EntrySize + 2 * EntrySize;
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Dst = Prim * TrisPrimSize + Dst * EntrySize;
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Buffer.BlockCopy(Data, Src, Output, Dst, CopyCount * EntrySize);
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}
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//-2 -1 0 -> 0 1 2.
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AssignIndex(-2, 0, 3);
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//0 1 -> 3 4.
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AssignIndex(0, 3, 2);
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//-2 -> 5.
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AssignIndex(-2, 5);
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}
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return Output;
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}
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}
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} |