public static void EnsureValidTextureSize(
this int sizeValue, HardwareDriverLevel driverLevel, string checkedVariableName,
[CallerMemberName]
string callerMethod = "")
{
if (string.IsNullOrEmpty(callerMethod))
{
callerMethod = "Unknown";
}
// Check for positive value
if (sizeValue < 1)
{
throw new SeeingSharpCheckException(string.Format(
"Texture Size value {0} within method {1} musst not be smaller that 1!",
checkedVariableName, callerMethod));
}
// Check for "power of 2"
if (Math.Abs((double)sizeValue / 2) > EngineMath.TOLERANCE_DOUBLE_POSITIVE)
{
throw new SeeingSharpCheckException(string.Format(
"Texture Size value {0} within method {1} musst be a power of 2!",
checkedVariableName, callerMethod));
}
// Check for maximum dimension
// see https://msdn.microsoft.com/en-us/library/windows/desktop/ff476876(v=vs.85).aspx#Overview
int maxDimension = 0;
switch (driverLevel)
{
case HardwareDriverLevel.Direct3D9_1:
case HardwareDriverLevel.Direct3D9_2:
maxDimension = 2048;
break;
case HardwareDriverLevel.Direct3D9_3:
maxDimension = 4096;
break;
case HardwareDriverLevel.Direct3D10:
maxDimension = 8192;
break;
case HardwareDriverLevel.Direct3D11:
case HardwareDriverLevel.Direct3D12:
maxDimension = 16384;
break;
}
if (sizeValue > maxDimension)
{
throw new SeeingSharpCheckException(string.Format(
"Texture Size value {0} within method {1} can have a maximum of {2}!",
checkedVariableName, callerMethod, maxDimension));
}
}
/// <summary>
/// Initializes a new instance of the <see cref="DeviceHandlerD3D11"/> class.
/// </summary>
/// <param name="dxgiAdapter">The tasrget adapter.</param>
/// <param name="debugEnabled">Is debug mode enabled?</param>
internal DeviceHandlerD3D11(DXGI.Adapter1 dxgiAdapter, bool debugEnabled)
{
m_dxgiAdapter = dxgiAdapter;
// Define possible create flags
D3D11.DeviceCreationFlags createFlagsBgra = D3D11.DeviceCreationFlags.BgraSupport;
D3D11.DeviceCreationFlags createFlags = D3D11.DeviceCreationFlags.None;
if (debugEnabled)
{
createFlagsBgra |= D3D11.DeviceCreationFlags.Debug;
createFlags |= D3D11.DeviceCreationFlags.Debug;
}
// Define all steps on which we try to initialize Direct3D
List <Tuple <D3D.FeatureLevel, D3D11.DeviceCreationFlags, HardwareDriverLevel> > initParameterQueue =
new List <Tuple <D3D.FeatureLevel, D3D11.DeviceCreationFlags, HardwareDriverLevel> >();
// Define all trys for hardware initialization
initParameterQueue.Add(Tuple.Create(
D3D.FeatureLevel.Level_11_1, createFlagsBgra, HardwareDriverLevel.Direct3D11));
initParameterQueue.Add(Tuple.Create(
D3D.FeatureLevel.Level_11_0, createFlagsBgra, HardwareDriverLevel.Direct3D11));
initParameterQueue.Add(Tuple.Create(
D3D.FeatureLevel.Level_10_0, createFlagsBgra, HardwareDriverLevel.Direct3D10));
initParameterQueue.Add(Tuple.Create(
D3D.FeatureLevel.Level_9_3, createFlagsBgra, HardwareDriverLevel.Direct3D9_3));
initParameterQueue.Add(Tuple.Create(
D3D.FeatureLevel.Level_9_2, createFlagsBgra, HardwareDriverLevel.Direct3D9_2));
initParameterQueue.Add(Tuple.Create(
D3D.FeatureLevel.Level_9_1, createFlagsBgra, HardwareDriverLevel.Direct3D9_1));
initParameterQueue.Add(Tuple.Create(
D3D.FeatureLevel.Level_10_0, createFlags, HardwareDriverLevel.Direct3D10));
initParameterQueue.Add(Tuple.Create(
D3D.FeatureLevel.Level_9_3, createFlags, HardwareDriverLevel.Direct3D9_3));
initParameterQueue.Add(Tuple.Create(
D3D.FeatureLevel.Level_9_2, createFlags, HardwareDriverLevel.Direct3D9_2));
initParameterQueue.Add(Tuple.Create(
D3D.FeatureLevel.Level_9_1, createFlags, HardwareDriverLevel.Direct3D9_1));
// Try to create the device, each defined configuration step by step
foreach (Tuple <D3D.FeatureLevel, D3D11.DeviceCreationFlags, HardwareDriverLevel> actInitParameters in initParameterQueue)
{
D3D.FeatureLevel featureLevel = actInitParameters.Item1;
D3D11.DeviceCreationFlags direct3D11Flags = actInitParameters.Item2;
HardwareDriverLevel actDriverLevel = actInitParameters.Item3;
try
{
// Try to create the device using current parameters
using (D3D11.Device device = new D3D11.Device(dxgiAdapter, direct3D11Flags, featureLevel))
{
m_device1 = device.QueryInterface <D3D11.Device1>();
m_device3 = CommonTools.TryExecute(() => m_device1.QueryInterface <D3D11.Device3>());
if (m_device3 != null)
{
m_immediateContext3 = m_device3.ImmediateContext3;
}
}
// Device successfully created, save all parameters and break this loop
m_featureLevel = featureLevel;
m_creationFlags = direct3D11Flags;
m_driverLevel = actDriverLevel;
break;
}
catch (Exception) { }
}
// Throw exception on failure
if (m_device1 == null)
{
throw new SeeingSharpGraphicsException("Unable to initialize d3d11 device!");
}
// Get immediate context from the device
m_immediateContext = m_device1.ImmediateContext;
}
