/// <summary>
/// Load available SIMD extensions.
/// </summary>
public static void LoadSimdExtensions()
{
const string AssemblyPath = "OpenGL.Simd.dll";
IntPtr getCpuInformationPtr = IntPtr.Zero;
if (File.Exists(AssemblyPath) == false)
return;
try {
getCpuInformationPtr = GetProcAddress.GetAddress(AssemblyPath, "GetCpuInformation");
} catch { /* Ignore exception, leave 'getCpuInformationPtr' equals to 'IntPtr.Zero' */ }
// No CPU information? Ahi ahi ahi
if (getCpuInformationPtr == IntPtr.Zero)
return;
GetCpuInformation getCpuInformation = (GetCpuInformation)Marshal.GetDelegateForFunctionPointer(getCpuInformationPtr, typeof(GetCpuInformation));
CpuInformation cpuInfo = new CpuInformation();
getCpuInformation(ref cpuInfo);
if (cpuInfo.SimdSupport != SimdTechnology.None) {
FieldInfo[] fields = typeof(Memory).GetFields(BindingFlags.Static | BindingFlags.NonPublic);
foreach (FieldInfo fieldInfo in fields) {
// Test for SSSE3 support
if ((cpuInfo.SimdSupport & SimdTechnology.SSSE3) != 0) {
string entryPoint = String.Format("{0}_{1}", fieldInfo.Name, "SSSE3");
IntPtr address = GetProcAddress.GetAddress(AssemblyPath, entryPoint);
if (address != IntPtr.Zero) {
fieldInfo.SetValue(null, Marshal.GetDelegateForFunctionPointer(address, fieldInfo.FieldType));
continue;
}
}
// Test for SSE3 support
if ((cpuInfo.SimdSupport & SimdTechnology.SSE3) != 0) {
string entryPoint = String.Format("{0}_{1}", fieldInfo.Name, "SSE3");
IntPtr address = GetProcAddress.GetAddress(AssemblyPath, entryPoint);
if (address != IntPtr.Zero) {
fieldInfo.SetValue(null, Marshal.GetDelegateForFunctionPointer(address, fieldInfo.FieldType));
continue;
}
}
// Test for SSE2 support
if ((cpuInfo.SimdSupport & SimdTechnology.SSE2) != 0) {
string entryPoint = String.Format("{0}_{1}", fieldInfo.Name, "SSE2");
IntPtr address = GetProcAddress.GetAddress(AssemblyPath, entryPoint);
if (address != IntPtr.Zero) {
fieldInfo.SetValue(null, Marshal.GetDelegateForFunctionPointer(address, fieldInfo.FieldType));
continue;
}
}
// Test for SSE support
if ((cpuInfo.SimdSupport & SimdTechnology.SSE) != 0) {
string entryPoint = String.Format("{0}_{1}", fieldInfo.Name, "SSE");
IntPtr address = GetProcAddress.GetAddress(AssemblyPath, entryPoint);
if (address != IntPtr.Zero) {
fieldInfo.SetValue(null, Marshal.GetDelegateForFunctionPointer(address, fieldInfo.FieldType));
continue;
}
}
// Test for MMX support
if ((cpuInfo.SimdSupport & SimdTechnology.MMX) != 0) {
string entryPoint = String.Format("{0}_{1}", fieldInfo.Name, "MMX");
IntPtr address = GetProcAddress.GetAddress(AssemblyPath, entryPoint);
if (address != IntPtr.Zero) {
fieldInfo.SetValue(null, Marshal.GetDelegateForFunctionPointer(address, fieldInfo.FieldType));
continue;
}
}
// Reset field
fieldInfo.SetValue(null, null);
}
}
}
/// <summary>
/// Load available SIMD extensions.
/// </summary>
public static void LoadSimdExtensions()
{
const string AssemblyPath = "OpenGL.Simd.dll";
IntPtr getCpuInformationPtr = IntPtr.Zero;
if (File.Exists(AssemblyPath) == false)
{
return;
}
try {
getCpuInformationPtr = GetProcAddress.GetProcAddressOS.GetProcAddress(AssemblyPath, "GetCpuInformation");
} catch { /* Ignore exception, leave 'getCpuInformationPtr' equals to 'IntPtr.Zero' */ }
// No CPU information? Ahi ahi ahi
if (getCpuInformationPtr == IntPtr.Zero)
{
return;
}
GetCpuInformation getCpuInformation = (GetCpuInformation)Marshal.GetDelegateForFunctionPointer(getCpuInformationPtr, typeof(GetCpuInformation));
CpuInformation cpuInfo = new CpuInformation();
getCpuInformation(ref cpuInfo);
if (cpuInfo.SimdSupport != SimdTechnology.None)
{
FieldInfo[] fields = typeof(Memory).GetFields(BindingFlags.Static | BindingFlags.NonPublic);
foreach (FieldInfo fieldInfo in fields)
{
// Test for SSSE3 support
if ((cpuInfo.SimdSupport & SimdTechnology.SSSE3) != 0)
{
string entryPoint = String.Format("{0}_{1}", fieldInfo.Name, "SSSE3");
IntPtr address = GetProcAddress.GetProcAddressOS.GetProcAddress(AssemblyPath, entryPoint);
if (address != IntPtr.Zero)
{
fieldInfo.SetValue(null, Marshal.GetDelegateForFunctionPointer(address, fieldInfo.FieldType));
continue;
}
}
// Test for SSE3 support
if ((cpuInfo.SimdSupport & SimdTechnology.SSE3) != 0)
{
string entryPoint = String.Format("{0}_{1}", fieldInfo.Name, "SSE3");
IntPtr address = GetProcAddress.GetProcAddressOS.GetProcAddress(AssemblyPath, entryPoint);
if (address != IntPtr.Zero)
{
fieldInfo.SetValue(null, Marshal.GetDelegateForFunctionPointer(address, fieldInfo.FieldType));
continue;
}
}
// Test for SSE2 support
if ((cpuInfo.SimdSupport & SimdTechnology.SSE2) != 0)
{
string entryPoint = String.Format("{0}_{1}", fieldInfo.Name, "SSE2");
IntPtr address = GetProcAddress.GetProcAddressOS.GetProcAddress(AssemblyPath, entryPoint);
if (address != IntPtr.Zero)
{
fieldInfo.SetValue(null, Marshal.GetDelegateForFunctionPointer(address, fieldInfo.FieldType));
continue;
}
}
// Test for SSE support
if ((cpuInfo.SimdSupport & SimdTechnology.SSE) != 0)
{
string entryPoint = String.Format("{0}_{1}", fieldInfo.Name, "SSE");
IntPtr address = GetProcAddress.GetProcAddressOS.GetProcAddress(AssemblyPath, entryPoint);
if (address != IntPtr.Zero)
{
fieldInfo.SetValue(null, Marshal.GetDelegateForFunctionPointer(address, fieldInfo.FieldType));
continue;
}
}
// Test for MMX support
if ((cpuInfo.SimdSupport & SimdTechnology.MMX) != 0)
{
string entryPoint = String.Format("{0}_{1}", fieldInfo.Name, "MMX");
IntPtr address = GetProcAddress.GetProcAddressOS.GetProcAddress(AssemblyPath, entryPoint);
if (address != IntPtr.Zero)
{
fieldInfo.SetValue(null, Marshal.GetDelegateForFunctionPointer(address, fieldInfo.FieldType));
continue;
}
}
// Reset field
fieldInfo.SetValue(null, null);
}
}
}