Cosmos/source/Cosmos.Core/MemoryOperations.cs
fanoI 8691707b52 Created MemoryOperations.Copy that copies128 bytes any iterations using ASM
- VBE (Bochs Graphic Adapter): made bitmap drawing faster using MemoryOperations.Copy
- VBE (Bochs Graphic Adapter): made filled rectangle drawing faster using MemoryOperations.Fill
- Created TestRunner for MemoryOperations
2018-08-21 14:48:10 +02:00

205 lines
6.4 KiB
C#

#define COSMOSDEBUG
using System.Runtime.CompilerServices;
namespace Cosmos.Core
{
public unsafe class MemoryOperations
{
public static unsafe void Fill(byte* dest, int value, int size)
{
// Plugged
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static unsafe void Fill(uint* dest, uint value, int size)
{
Fill((byte*)dest, (int)value, size * 4);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static unsafe void Fill(int* dest, int value, int size)
{
Fill((byte*)dest, value, size * 4);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static unsafe void Fill(uint[] dest, uint value)
{
fixed (uint* destPtr = dest)
{
Fill(destPtr, value, dest.Length);
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static unsafe void Fill(int[] dest, int value)
{
fixed (int* destPtr = dest)
{
Fill(destPtr, value, dest.Length);
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static unsafe void Fill(ushort* dest, ushort value, int size)
{
/* Broadcast 'value' to fill all the integer register (0x42 --> 0x42424242) */
int valueFiller = value * 0x10001;
Fill((byte*)dest, valueFiller, size * 2);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static unsafe void Fill(short* dest, short value, int size)
{
/* Broadcast 'value' to fill all the integer register (0x42 --> 0x42424242) */
int valueFiller = (ushort)value * 0x10001;
Fill((byte*)dest, valueFiller, size * 2);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static unsafe void Fill(ushort[] dest, ushort value)
{
fixed (ushort* destPtr = dest)
{
Fill(destPtr, value, dest.Length);
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static unsafe void Fill(short[] dest, short value)
{
fixed (short* destPtr = dest)
{
Fill(destPtr, value, dest.Length);
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static unsafe void Fill(byte* dest, byte value, int size)
{
/* Broadcast 'value' fill all the integer register (0x42 --> 0x42424242) */
int valueFiller = value * 0x1010101;
Fill(dest, valueFiller, size);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static unsafe void Fill(sbyte* dest, sbyte value, int size)
{
/* Broadcast 'value' fill all the integer register (0x42 --> 0x42424242) */
int valueFiller = (byte)value * 0x1010101;
Fill((byte*)dest, valueFiller, size);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static unsafe void Fill(byte[] dest, byte value)
{
fixed (byte* destPtr = dest)
{
Fill(destPtr, value, dest.Length);
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static unsafe void Fill(sbyte[] dest, sbyte value)
{
fixed (sbyte* destPtr = dest)
{
Fill(destPtr, value, dest.Length);
}
}
public static unsafe void Copy(byte *dest, byte *src, int size)
{
// Plugged
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static unsafe void Copy(uint* dest, uint *src, int size)
{
Copy((byte*)dest, (byte *)src, size * 4);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static unsafe void Copy(int* dest, int *src, int size)
{
Copy((byte*)dest, (byte*)src, size * 4);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static unsafe void Copy(uint[] dest, uint[] src)
{
fixed (uint* destPtr = dest)
fixed (uint *srcPtr = src)
{
Copy(destPtr, srcPtr, dest.Length);
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static unsafe void Copy(int[] dest, int[] src)
{
fixed (int* destPtr = dest)
fixed (int* srcPtr = src)
{
Copy(destPtr, srcPtr, dest.Length);
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static unsafe void Copy(ushort* dest, ushort* src, int size)
{
Copy((byte*)dest, (byte*)src, size * 2);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static unsafe void Copy(short* dest, short* src, int size)
{
Copy((byte*)dest, (byte*)src, size * 2);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static unsafe void Copy(ushort[] dest, ushort[] src)
{
fixed (ushort* destPtr = dest)
fixed (ushort* srcPtr = src)
{
Copy(destPtr, srcPtr, dest.Length);
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static unsafe void Copy(short[] dest, short value)
{
fixed (short* destPtr = dest)
{
Fill(destPtr, value, dest.Length);
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static unsafe void Copy(sbyte* dest, sbyte *src, int size)
{
Copy((byte*)dest, (byte*)src, size);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static unsafe void Copy(byte[] dest, byte[] src)
{
fixed (byte* destPtr = dest)
fixed (byte* srcPtr = src)
{
Copy(destPtr, srcPtr, dest.Length);
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static unsafe void Fill(sbyte[] dest, sbyte[] src)
{
fixed (sbyte* destPtr = dest)
fixed (sbyte* srcPtr = src)
{
Copy(destPtr, srcPtr, dest.Length);
}
}
}
}