cfe19d5c4a
- Updated the Metro shader generator - Fixed the metro resolution being correctly set to the graphics device
80 lines
1.8 KiB
C#
80 lines
1.8 KiB
C#
using System;
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using System.Runtime.InteropServices;
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// This file is part of the ANX.Framework created by the
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// "ANX.Framework developer group" and released under the Ms-PL license.
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// For details see: http://anxframework.codeplex.com/license
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namespace ANX.RenderSystem.Windows.Metro.Shader
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{
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public static class UnionArraySerializer
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{
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#region Union (private helper struct)
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[StructLayout(LayoutKind.Explicit)]
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private struct Union
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{
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[FieldOffset(0)]
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public byte[] bytes;
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[FieldOffset(0)]
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public float[] floats;
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[FieldOffset(0)]
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public int[] ints;
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}
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#endregion
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#region Private
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private static readonly UIntPtr BYTE_ARRAY;
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private static unsafe readonly int PTR_SIZE = sizeof(UIntPtr);
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#endregion
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#region Constructor
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static unsafe UnionArraySerializer()
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{
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var byteArray = new byte[1];
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fixed (byte* pBytes = byteArray)
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{
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BYTE_ARRAY = *(UIntPtr*)(pBytes - 2 * PTR_SIZE);
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}
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}
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#endregion
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#region Unify (float[])
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public static unsafe byte[] Unify(float[] floats)
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{
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var union = new Union();
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union.floats = floats;
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fixed (float* pValues = union.floats)
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UpdatePointers((byte*)pValues, floats.Length * 4);
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return union.bytes;
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}
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#endregion
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#region Unify (int[])
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public static unsafe byte[] Unify(int[] ints)
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{
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var union = new Union();
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union.ints = ints;
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fixed (int* pValues = union.ints)
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UpdatePointers((byte*)pValues, ints.Length * 4);
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return union.bytes;
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}
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#endregion
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#region UpdatePointers
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private static unsafe void UpdatePointers(byte* pBytes, int byteSize)
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{
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var pSize = (UIntPtr*)(pBytes - PTR_SIZE);
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var pArrayType = (UIntPtr*)(pBytes - 2 * PTR_SIZE);
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*pSize = (UIntPtr)byteSize;
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*pArrayType = BYTE_ARRAY;
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}
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#endregion
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}
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}
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