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https://github.com/Ryujinx/Ryujinx.git
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* Fix typos * Remove unneeded using statements * Enforce var style more * Remove redundant qualifiers * Fix some indentation * Disable naming warnings on files with external enum names * Fix build * Mass find & replace for comments with no spacing * Standardize todo capitalization and for/if spacing
81 lines
No EOL
2.3 KiB
C#
81 lines
No EOL
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 ConvertSizeQuadsToTris(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 ConvertSizeQuadStripToTris(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[] ConvertQuadsToTris(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[] ConvertQuadStripToTris(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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} |