public void Clear()
{
Span <object> span = MemoryMarshal.CreateSpan(ref MemoryMarshal.GetArrayDataReference(_objs), Length);
span.Clear();
}
public Span <D3D12MA_StatInfo> AsSpan() => MemoryMarshal.CreateSpan(ref e0, (int)D3D12MA_HEAP_TYPE_COUNT);
public Span <LARGE_INTEGER> AsSpan() => MemoryMarshal.CreateSpan(ref e0, 9);
public Span <IP_ADAPTER_INDEX_MAP> AsSpan(int length) => MemoryMarshal.CreateSpan(ref e0, length);
/// <summary>Gets a <see cref="ReadOnlySpan{T}"/> containing the bytes of the provided value.</summary>
/// <typeparam name="T">The type of the value whose bytes to get.</typeparam>
/// <param name="value">The value whose bytes to get.</param>
/// <returns>The bytes of the value.</returns>
public static ReadOnlySpan <byte> GetBytes <T>(this ref T value)
where T : unmanaged
{
return(MemoryMarshal.AsBytes(MemoryMarshal.CreateSpan(ref value, 1)));
}
/// <summary>
/// Initializes a new instance of the <see cref="UInt256"/> class.
/// Passed hex string must be a valid hex string with 64 char length, or 66 if prefix 0x is used, otherwise an exception is thrown.
/// Input data is considered in big endian.
/// </summary>
public UInt256(string hexString)
{
if (hexString is null)
{
ThrowHelper.ThrowArgumentNullException(nameof(hexString));
}
//account for 0x prefix
if (hexString.Length < EXPECTED_SIZE * 2)
{
ThrowHelper.ThrowFormatException($"the hex string should be {EXPECTED_SIZE * 2} chars long or {(EXPECTED_SIZE * 2) + 4} if prefixed with 0x.");
}
ReadOnlySpan <char> hexAsSpan = (hexString[0] == '0' && (hexString[1] == 'X' || hexString[1] == 'x')) ? hexString.AsSpan(2) : hexString.AsSpan();
if (hexAsSpan.Length != EXPECTED_SIZE * 2)
{
ThrowHelper.ThrowFormatException($"the hex string should be {EXPECTED_SIZE * 2} chars long or {(EXPECTED_SIZE * 2) + 4} if prefixed with 0x.");
}
Span <byte> dst = MemoryMarshal.AsBytes(MemoryMarshal.CreateSpan(ref part1, EXPECTED_SIZE / sizeof(ulong)));
int i = hexAsSpan.Length - 1;
int j = 0;
while (i > 0)
{
char c = hexAsSpan[i--];
if (c >= '0' && c <= '9')
{
dst[j] = (byte)(c - '0');
}
else if (c >= 'a' && c <= 'f')
{
dst[j] = (byte)(c - ('a' - 10));
}
else if (c >= 'A' && c <= 'F')
{
dst[j] = (byte)(c - ('A' - 10));
}
else
{
ThrowHelper.ThrowArgumentException("Invalid nibble: " + c);
}
c = hexAsSpan[i--];
if (c >= '0' && c <= '9')
{
dst[j] |= (byte)((c - '0') << 4);
}
else if (c >= 'a' && c <= 'f')
{
dst[j] |= (byte)((c - ('a' - 10)) << 4);
}
else if (c >= 'A' && c <= 'F')
{
dst[j] |= (byte)((c - ('A' - 10)) << 4);
}
else
{
ThrowHelper.ThrowArgumentException("Invalid nibble: " + c);
}
j++;
}
}
public Span <SOCKADDR_STORAGE> AsSpan(int length) => MemoryMarshal.CreateSpan(ref e0, length);
public Span <DXGI_FORMAT> AsSpan() => MemoryMarshal.CreateSpan(ref e0, 8);
/// <summary>
/// Writes data to GPU mapped memory.
/// </summary>
/// <typeparam name="T">Type of the data</typeparam>
/// <param name="va">GPU virtual address to write the value into</param>
/// <param name="value">The value to be written</param>
public void Write <T>(ulong va, T value) where T : unmanaged
{
Write(va, MemoryMarshal.Cast <T, byte>(MemoryMarshal.CreateSpan(ref value, 1)));
}
public bool IsHeaderValid()
{
Span <OuterHeader> spanHeader = MemoryMarshal.CreateSpan(ref this, 1);
return(XXHash128.ComputeHash(MemoryMarshal.AsBytes(spanHeader).Slice(0, Unsafe.SizeOf <OuterHeader>() - Unsafe.SizeOf <Hash128>())) == HeaderHash);
}
public Span <DEVICE_POWER_STATE> AsSpan() => MemoryMarshal.CreateSpan(ref e0, 7);
public void SetHeaderHash()
{
Span <OuterHeader> spanHeader = MemoryMarshal.CreateSpan(ref this, 1);
HeaderHash = XXHash128.ComputeHash(MemoryMarshal.AsBytes(spanHeader).Slice(0, Unsafe.SizeOf <OuterHeader>() - Unsafe.SizeOf <Hash128>()));
}
public Span <MIB_IFROW> AsSpan(int length) => MemoryMarshal.CreateSpan(ref e0, length);
public Item(ref T value, int index)
{
this.span = MemoryMarshal.CreateSpan(ref value, index);
}
public Span <KERB_TICKET_CACHE_INFO_EX2> AsSpan(int length) => MemoryMarshal.CreateSpan(ref e0, length);
public Span <RenderTargetBlendDesc> AsSpan() => MemoryMarshal.CreateSpan(ref Element0, 8);
public Span <LUID_AND_ATTRIBUTES> AsSpan(int length) => MemoryMarshal.CreateSpan(ref e0, length);
public Span <DEVICE_STORAGE_ADDRESS_RANGE> AsSpan(int length) => MemoryMarshal.CreateSpan(ref e0, length);
public Span <nint> AsSpan() => MemoryMarshal.CreateSpan(ref e0, 24);
public unsafe Span <byte> AsSpan() => MemoryMarshal.CreateSpan(ref Unsafe.AsRef <byte>(bytePtr), length);
public Span <DEVICEDUMP_STORAGESTACK_PUBLIC_STATE_RECORD> AsSpan(int length) => MemoryMarshal.CreateSpan(ref e0, length);
public Span <SCM_LOGICAL_DEVICE_INSTANCE> AsSpan(int length) => MemoryMarshal.CreateSpan(ref e0, length);
/// <summary>
/// Updates host shaders based on the guest GPU state.
/// </summary>
/// <param name="state">Current GPU state</param>
private void UpdateShaderState(GpuState state)
{
ShaderAddresses addresses = new ShaderAddresses();
Span <ShaderAddresses> addressesSpan = MemoryMarshal.CreateSpan(ref addresses, 1);
Span <ulong> addressesArray = MemoryMarshal.Cast <ShaderAddresses, ulong>(addressesSpan);
ulong baseAddress = state.Get <GpuVa>(MethodOffset.ShaderBaseAddress).Pack();
for (int index = 0; index < 6; index++)
{
var shader = state.Get <ShaderState>(MethodOffset.ShaderState, index);
if (!shader.UnpackEnable() && index != 1)
{
continue;
}
addressesArray[index] = baseAddress + shader.Offset;
}
GraphicsShader gs = ShaderCache.GetGraphicsShader(state, addresses);
_vsUsesInstanceId = gs.Shaders[0]?.Program.Info.UsesInstanceId ?? false;
for (int stage = 0; stage < Constants.ShaderStages; stage++)
{
ShaderProgramInfo info = gs.Shaders[stage]?.Program.Info;
_currentProgramInfo[stage] = info;
if (info == null)
{
continue;
}
var textureBindings = new TextureBindingInfo[info.Textures.Count];
for (int index = 0; index < info.Textures.Count; index++)
{
var descriptor = info.Textures[index];
Target target = GetTarget(descriptor.Type);
if (descriptor.IsBindless)
{
textureBindings[index] = new TextureBindingInfo(target, descriptor.CbufSlot, descriptor.CbufOffset);
}
else
{
textureBindings[index] = new TextureBindingInfo(target, descriptor.HandleIndex);
}
}
TextureManager.SetGraphicsTextures(stage, textureBindings);
var imageBindings = new TextureBindingInfo[info.Images.Count];
for (int index = 0; index < info.Images.Count; index++)
{
var descriptor = info.Images[index];
Target target = GetTarget(descriptor.Type);
imageBindings[index] = new TextureBindingInfo(target, descriptor.HandleIndex);
}
TextureManager.SetGraphicsImages(stage, imageBindings);
uint sbEnableMask = 0;
uint ubEnableMask = 0;
for (int index = 0; index < info.SBuffers.Count; index++)
{
sbEnableMask |= 1u << info.SBuffers[index].Slot;
}
for (int index = 0; index < info.CBuffers.Count; index++)
{
ubEnableMask |= 1u << info.CBuffers[index].Slot;
}
BufferManager.SetGraphicsStorageBufferEnableMask(stage, sbEnableMask);
BufferManager.SetGraphicsUniformBufferEnableMask(stage, ubEnableMask);
}
_context.Renderer.Pipeline.SetProgram(gs.HostProgram);
}
public static Span <T> CreateSpan <T>(ref T reference, int length)
{
return(MemoryMarshal.CreateSpan(ref reference, length));
}
public Span <RGBQUAD> AsSpan(int length) => MemoryMarshal.CreateSpan(ref e0, length);
/// <summary>
/// Updates host shaders based on the guest GPU state.
/// </summary>
/// <param name="state">Current GPU state</param>
private void UpdateShaderState(GpuState state)
{
ShaderAddresses addresses = new ShaderAddresses();
Span <ShaderAddresses> addressesSpan = MemoryMarshal.CreateSpan(ref addresses, 1);
Span <ulong> addressesArray = MemoryMarshal.Cast <ShaderAddresses, ulong>(addressesSpan);
ulong baseAddress = state.Get <GpuVa>(MethodOffset.ShaderBaseAddress).Pack();
for (int index = 0; index < 6; index++)
{
var shader = state.Get <ShaderState>(MethodOffset.ShaderState, index);
if (!shader.UnpackEnable() && index != 1)
{
continue;
}
addressesArray[index] = baseAddress + shader.Offset;
}
ShaderBundle gs = ShaderCache.GetGraphicsShader(state, addresses);
_vsUsesInstanceId = gs.Shaders[0]?.Program.Info.UsesInstanceId ?? false;
int storageBufferBindingsCount = 0;
int uniformBufferBindingsCount = 0;
for (int stage = 0; stage < Constants.ShaderStages; stage++)
{
ShaderProgramInfo info = gs.Shaders[stage]?.Program.Info;
_currentProgramInfo[stage] = info;
if (info == null)
{
TextureManager.SetGraphicsTextures(stage, Array.Empty <TextureBindingInfo>());
TextureManager.SetGraphicsImages(stage, Array.Empty <TextureBindingInfo>());
BufferManager.SetGraphicsStorageBufferBindings(stage, null);
BufferManager.SetGraphicsUniformBufferBindings(stage, null);
continue;
}
var textureBindings = new TextureBindingInfo[info.Textures.Count];
for (int index = 0; index < info.Textures.Count; index++)
{
var descriptor = info.Textures[index];
Target target = ShaderTexture.GetTarget(descriptor.Type);
textureBindings[index] = new TextureBindingInfo(
target,
descriptor.Binding,
descriptor.CbufSlot,
descriptor.HandleIndex,
descriptor.Flags);
}
TextureManager.SetGraphicsTextures(stage, textureBindings);
var imageBindings = new TextureBindingInfo[info.Images.Count];
for (int index = 0; index < info.Images.Count; index++)
{
var descriptor = info.Images[index];
Target target = ShaderTexture.GetTarget(descriptor.Type);
Format format = ShaderTexture.GetFormat(descriptor.Format);
imageBindings[index] = new TextureBindingInfo(
target,
format,
descriptor.Binding,
descriptor.CbufSlot,
descriptor.HandleIndex,
descriptor.Flags);
}
TextureManager.SetGraphicsImages(stage, imageBindings);
BufferManager.SetGraphicsStorageBufferBindings(stage, info.SBuffers);
BufferManager.SetGraphicsUniformBufferBindings(stage, info.CBuffers);
if (info.SBuffers.Count != 0)
{
storageBufferBindingsCount = Math.Max(storageBufferBindingsCount, info.SBuffers.Max(x => x.Binding) + 1);
}
if (info.CBuffers.Count != 0)
{
uniformBufferBindingsCount = Math.Max(uniformBufferBindingsCount, info.CBuffers.Max(x => x.Binding) + 1);
}
}
BufferManager.SetGraphicsStorageBufferBindingsCount(storageBufferBindingsCount);
BufferManager.SetGraphicsUniformBufferBindingsCount(uniformBufferBindingsCount);
_context.Renderer.Pipeline.SetProgram(gs.HostProgram);
}
public Span <Silk.NET.DXGI.Format> AsSpan() => MemoryMarshal.CreateSpan(ref Element0, 8);
public Span <HARDWARE_COUNTER_DATA> AsSpan() => MemoryMarshal.CreateSpan(ref e0, 16);
public Span <T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 59);
/// <summary>
/// Updates host shaders based on the guest GPU state.
/// </summary>
private void UpdateShaderState()
{
ShaderAddresses addresses = new ShaderAddresses();
Span <ShaderAddresses> addressesSpan = MemoryMarshal.CreateSpan(ref addresses, 1);
Span <ulong> addressesArray = MemoryMarshal.Cast <ShaderAddresses, ulong>(addressesSpan);
ulong baseAddress = _state.State.ShaderBaseAddress.Pack();
for (int index = 0; index < 6; index++)
{
var shader = _state.State.ShaderState[index];
if (!shader.UnpackEnable() && index != 1)
{
continue;
}
addressesArray[index] = baseAddress + shader.Offset;
}
GpuAccessorState gas = new GpuAccessorState(
_state.State.TexturePoolState.Address.Pack(),
_state.State.TexturePoolState.MaximumId,
(int)_state.State.TextureBufferIndex,
_state.State.EarlyZForce,
_drawState.Topology);
ShaderBundle gs = _channel.MemoryManager.Physical.ShaderCache.GetGraphicsShader(ref _state.State, _channel, gas, addresses);
byte oldVsClipDistancesWritten = _vsClipDistancesWritten;
_drawState.VsUsesInstanceId = gs.Shaders[0]?.Info.UsesInstanceId ?? false;
_vsClipDistancesWritten = gs.Shaders[0]?.Info.ClipDistancesWritten ?? 0;
if (oldVsClipDistancesWritten != _vsClipDistancesWritten)
{
UpdateUserClipState();
}
int storageBufferBindingsCount = 0;
int uniformBufferBindingsCount = 0;
for (int stage = 0; stage < Constants.ShaderStages; stage++)
{
ShaderProgramInfo info = gs.Shaders[stage]?.Info;
_currentProgramInfo[stage] = info;
if (info == null)
{
_channel.TextureManager.SetGraphicsTextures(stage, Array.Empty <TextureBindingInfo>());
_channel.TextureManager.SetGraphicsImages(stage, Array.Empty <TextureBindingInfo>());
_channel.BufferManager.SetGraphicsStorageBufferBindings(stage, null);
_channel.BufferManager.SetGraphicsUniformBufferBindings(stage, null);
continue;
}
var textureBindings = new TextureBindingInfo[info.Textures.Count];
for (int index = 0; index < info.Textures.Count; index++)
{
var descriptor = info.Textures[index];
Target target = ShaderTexture.GetTarget(descriptor.Type);
textureBindings[index] = new TextureBindingInfo(
target,
descriptor.Binding,
descriptor.CbufSlot,
descriptor.HandleIndex,
descriptor.Flags);
}
_channel.TextureManager.SetGraphicsTextures(stage, textureBindings);
var imageBindings = new TextureBindingInfo[info.Images.Count];
for (int index = 0; index < info.Images.Count; index++)
{
var descriptor = info.Images[index];
Target target = ShaderTexture.GetTarget(descriptor.Type);
Format format = ShaderTexture.GetFormat(descriptor.Format);
imageBindings[index] = new TextureBindingInfo(
target,
format,
descriptor.Binding,
descriptor.CbufSlot,
descriptor.HandleIndex,
descriptor.Flags);
}
_channel.TextureManager.SetGraphicsImages(stage, imageBindings);
_channel.BufferManager.SetGraphicsStorageBufferBindings(stage, info.SBuffers);
_channel.BufferManager.SetGraphicsUniformBufferBindings(stage, info.CBuffers);
if (info.SBuffers.Count != 0)
{
storageBufferBindingsCount = Math.Max(storageBufferBindingsCount, info.SBuffers.Max(x => x.Binding) + 1);
}
if (info.CBuffers.Count != 0)
{
uniformBufferBindingsCount = Math.Max(uniformBufferBindingsCount, info.CBuffers.Max(x => x.Binding) + 1);
}
}
_channel.BufferManager.SetGraphicsStorageBufferBindingsCount(storageBufferBindingsCount);
_channel.BufferManager.SetGraphicsUniformBufferBindingsCount(uniformBufferBindingsCount);
_context.Renderer.Pipeline.SetProgram(gs.HostProgram);
}