/// <summary>
/// Creates or re-creates the DirectX device and the backbuffer. This is necessary in the initialization phase
/// of the SkinEngine and after a parameter was changed which affects the DX device creation.
/// </summary>
internal static void DoReCreateDevice_MainThread()
{
try
{
// Note that only the thread which handles window messages is allowed to call CreateDevice and Reset
// (see http://msdn.microsoft.com/en-us/library/windows/desktop/bb147224%28v=vs.85%29.aspx )
ServiceRegistration.Get <ILogger>().Debug("GraphicsDevice: Initializing DirectX");
MPDirect3D.Load();
// Cleanup-part: Only necessary during re-initialization
UIResourcesHelper.ReleaseUIResources();
if (_backBuffer != null)
{
_backBuffer.Dispose();
}
if (_device != null)
{
_device.Dispose();
}
_device = _setup.SetupDirectX();
// End cleanup part
SetupRenderStrategies();
SetupRenderPipelines();
Capabilities deviceCapabilities = _device.Capabilities;
_backBuffer = _device.GetRenderTarget(0);
_device.MaximumFrameLatency = _setup.PresentParameters.BackBufferCount; // Enables the device to queue as many frames as we have backbuffers defined
int ordinal = deviceCapabilities.AdapterOrdinal;
AdapterInformation adapterInfo = MPDirect3D.Direct3D.Adapters[ordinal];
DisplayMode currentMode = adapterInfo.CurrentDisplayMode;
AdaptTargetFrameRateToDisplayMode(currentMode);
LogScreenMode(currentMode);
bool firstTimeInitialization = _dxCapabilities == null;
_dxCapabilities = DxCapabilities.RequestCapabilities(deviceCapabilities, currentMode);
if (firstTimeInitialization)
{
if (!_dxCapabilities.SupportsShaders)
{
string text = String.Format("MediaPortal 2 needs a graphics card wich supports shader model 2.0\nYour card does NOT support this.\nMediaportal 2 will continue but migh run slow");
MessageBox.Show(text, "GraphicAdapter", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
SetRenderState();
UIResourcesHelper.ReallocUIResources();
}
catch (Exception ex)
{
ServiceRegistration.Get <ILogger>().Critical("GraphicsDevice: Failed to setup DirectX", ex);
Environment.Exit(0);
}
}
/// <summary>
/// Resets the DirectX device. This will release all screens, other UI resources and our back buffer, reset the DX device and realloc
/// all resources.
/// </summary>
public static bool Reset()
{
ServiceRegistration.Get <ILogger>().Warn("GraphicsDevice: Resetting DX device...");
_screenManager.ExecuteWithTempReleasedResources(() => ExecuteInMainThread(() =>
{
// Note that the thread which created the device must call this (see http://msdn.microsoft.com/en-us/library/windows/desktop/bb174344%28v=vs.85%29.aspx ).
// Note also that only the thread which handles window messages is allowed to call CreateDevice and Reset
// (see http://msdn.microsoft.com/en-us/library/windows/desktop/bb147224%28v=vs.85%29.aspx )
ServiceRegistration.Get <ILogger>().Debug("GraphicsDevice: Reset DirectX");
UIResourcesHelper.ReleaseUIResources();
if (ContentManager.Instance.TotalAllocationSize != 0)
{
ServiceRegistration.Get <ILogger>().Warn("GraphicsDevice: ContentManager.TotalAllocationSize = {0}, should be 0!", ContentManager.Instance.TotalAllocationSize / (1024 * 1024));
}
if (_backBuffer != null)
{
_backBuffer.Dispose();
}
_backBuffer = null;
_setup.BuildPresentParamsFromSettings();
PresentParameters parameters = _setup.PresentParameters;
_device.ResetEx(ref parameters);
_setup.PresentParameters = parameters;
SetupRenderStrategies();
SetupRenderPipelines();
Capabilities deviceCapabilities = _device.Capabilities;
int ordinal = deviceCapabilities.AdapterOrdinal;
AdapterInformation adapterInfo = MPDirect3D.Direct3D.Adapters[ordinal];
DisplayMode currentMode = adapterInfo.CurrentDisplayMode;
AdaptTargetFrameRateToDisplayMode(currentMode);
ServiceRegistration.Get <ILogger>().Debug("GraphicsDevice: DirectX reset {0}x{1} format: {2} {3} Hz", Width, Height,
currentMode.Format, TargetFrameRate);
_backBuffer = _device.GetRenderTarget(0);
_device.MaximumFrameLatency = _setup.PresentParameters.BackBufferCount; // Enables the device to queue as many frames as we have backbuffers defined
_dxCapabilities = DxCapabilities.RequestCapabilities(deviceCapabilities, currentMode);
ScreenRefreshWorkaround();
UIResourcesHelper.ReallocUIResources();
}));
ServiceRegistration.Get <ILogger>().Warn("GraphicsDevice: Device successfully reset");
return(true);
}