mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-12-05 01:22:03 +00:00
40b21cc3c4
* 3D engine now uses DeviceState too, plus new state modification tracking * Remove old methods code * Remove GpuState and friends * Optimize DeviceState, force inline some functions * This change was not supposed to go in * Proper channel initialization * Optimize state read/write methods even more * Fix debug build * Do not dirty state if the write is redundant * The YControl register should dirty either the viewport or front face state too, to update the host origin * Avoid redundant vertex buffer updates * Move state and get rid of the Ryujinx.Graphics.Gpu.State namespace * Comments and nits * Fix rebase * PR feedback * Move changed = false to improve codegen * PR feedback * Carry RyuJIT a bit more
63 lines
2.1 KiB
C#
63 lines
2.1 KiB
C#
using System;
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using System.Reflection;
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namespace Ryujinx.Graphics.Device
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{
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public static class SizeCalculator
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{
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public static int SizeOf(Type type)
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{
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// Is type a enum type?
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if (type.IsEnum)
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{
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type = type.GetEnumUnderlyingType();
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}
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// Is type a pointer type?
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if (type.IsPointer || type == typeof(IntPtr) || type == typeof(UIntPtr))
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{
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return IntPtr.Size;
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}
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// Is type a struct type?
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if (type.IsValueType && !type.IsPrimitive)
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{
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// Check if the struct has a explicit size, if so, return that.
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if (type.StructLayoutAttribute.Size != 0)
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{
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return type.StructLayoutAttribute.Size;
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}
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// Otherwise we calculate the sum of the sizes of all fields.
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int size = 0;
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var fields = type.GetFields(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
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for (int fieldIndex = 0; fieldIndex < fields.Length; fieldIndex++)
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{
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size += SizeOf(fields[fieldIndex].FieldType);
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}
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return size;
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}
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// Primitive types.
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return (Type.GetTypeCode(type)) switch
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{
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TypeCode.SByte => sizeof(sbyte),
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TypeCode.Byte => sizeof(byte),
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TypeCode.Int16 => sizeof(short),
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TypeCode.UInt16 => sizeof(ushort),
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TypeCode.Int32 => sizeof(int),
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TypeCode.UInt32 => sizeof(uint),
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TypeCode.Int64 => sizeof(long),
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TypeCode.UInt64 => sizeof(ulong),
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TypeCode.Char => sizeof(char),
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TypeCode.Single => sizeof(float),
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TypeCode.Double => sizeof(double),
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TypeCode.Decimal => sizeof(decimal),
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TypeCode.Boolean => sizeof(bool),
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_ => throw new ArgumentException($"Length for type \"{type.Name}\" is unknown.")
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};
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}
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}
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}
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