// ReSharper restore UnusedMember.Local
private DepthFormat ChooseDepthStencilFormat(GraphicsAdapter adapter, DeviceType deviceType, SurfaceFormat adapterFormat)
{
if (adapter.CheckDeviceFormat(
deviceType,
adapterFormat,
TextureUsage.None,
QueryUsages.None,
ResourceType.DepthStencilBuffer,
PreferredDepthStencilFormat))
{
return(PreferredDepthStencilFormat);
}
DepthFormat depthFormat;
if (Array.IndexOf(_depthFormatsWithStencil, PreferredDepthStencilFormat) >= 0)
{
depthFormat = ChooseDepthStencilFormatFromList(_depthFormatsWithStencil, adapter, deviceType, adapterFormat);
if (depthFormat != DepthFormat.Unknown)
{
return(depthFormat);
}
}
depthFormat = ChooseDepthStencilFormatFromList(_depthFormatsWithoutStencil, adapter, deviceType, adapterFormat);
if (depthFormat != DepthFormat.Unknown)
{
return(depthFormat);
}
return(DepthFormat.Depth24);
}
static SurfaceFormat GetSupportedTextureFormat(Type type)
{
SurfaceFormat surface = SurfaceFormat.Unknown;
if (textureFormatDict.TryGetValue(type, out surface))
{
return(surface);
}
//find a supported format to use.
GraphicsAdapter adapter = GraphicsAdapter.DefaultAdapter;
SurfaceFormat[] formats = (SurfaceFormat[])Enum.GetValues(typeof(SurfaceFormat));
ResourceType resType = ResourceType.Texture2D;
if (type == typeof(Texture3D))
{
resType = ResourceType.Texture3D;
}
if (type == typeof(TextureCube))
{
resType = ResourceType.TextureCube;
}
surface = SurfaceFormat.Color;
foreach (SurfaceFormat format in formats)
{
if (format != SurfaceFormat.Unknown)
{
//find a format that works for PS and VS
if (adapter.CheckDeviceFormat(deviceType, SurfaceFormat.Bgr32, TextureUsage.None, QueryUsages.None, resType, format) &&
adapter.CheckDeviceFormat(deviceType, SurfaceFormat.Bgr32, TextureUsage.None, QueryUsages.VertexTexture, resType, format))
{
surface = format;
break;
}
}
}
//ohh well. hope nothing breaks.
textureFormatDict.Add(type, surface);
return(surface);
}
private DepthFormat ChooseDepthStencilFormatFromList(DepthFormat[] availableFormats, GraphicsAdapter adapter, DeviceType deviceType, SurfaceFormat adapterFormat)
{
for (int i = 0; i < availableFormats.Length; i++)
{
if ((availableFormats[i] != this.PreferredDepthStencilFormat) && adapter.CheckDeviceFormat(deviceType, adapterFormat, TextureUsage.None, QueryUsages.None, ResourceType.DepthStencilBuffer, availableFormats[i]))
{
return(availableFormats[i]);
}
}
return(DepthFormat.Unknown);
}
private void RankDevicesPlatform(List <GraphicsDeviceInformation> foundDevices)
{
int index = 0;
while (index < foundDevices.Count)
{
DeviceType deviceType = foundDevices[index].DeviceType;
GraphicsAdapter adapter = foundDevices[index].Adapter;
PresentationParameters presentationParameters = foundDevices[index].PresentationParameters;
if (!adapter.CheckDeviceFormat(deviceType, adapter.CurrentDisplayMode.Format, TextureUsage.None, QueryUsages.PostPixelShaderBlending, ResourceType.Texture2D, presentationParameters.BackBufferFormat))
{
foundDevices.RemoveAt(index);
}
else
{
index++;
}
}
foundDevices.Sort(new GraphicsDeviceInformationComparer(this));
}
private DepthFormat ChooseDepthStencilFormat(GraphicsAdapter adapter, DeviceType deviceType, SurfaceFormat adapterFormat)
{
if (adapter.CheckDeviceFormat(deviceType, adapterFormat, TextureUsage.None, QueryUsages.None, ResourceType.DepthStencilBuffer, this.PreferredDepthStencilFormat))
{
return(this.PreferredDepthStencilFormat);
}
if (Array.IndexOf <DepthFormat>(depthFormatsWithStencil, this.PreferredDepthStencilFormat) >= 0)
{
DepthFormat format = this.ChooseDepthStencilFormatFromList(depthFormatsWithStencil, adapter, deviceType, adapterFormat);
if (format != DepthFormat.Unknown)
{
return(format);
}
}
DepthFormat format2 = this.ChooseDepthStencilFormatFromList(depthFormatsWithoutStencil, adapter, deviceType, adapterFormat);
if (format2 != DepthFormat.Unknown)
{
return(format2);
}
return(DepthFormat.Depth24);
}
private DepthFormat ChooseDepthStencilFormatFromList(
DepthFormat[] availableFormats,
GraphicsAdapter adapter,
DeviceType deviceType,
SurfaceFormat adapterFormat)
{
foreach (var depthFormat in availableFormats)
{
if (depthFormat != PreferredDepthStencilFormat &&
adapter.CheckDeviceFormat(
deviceType,
adapterFormat,
TextureUsage.None,
QueryUsages.None,
ResourceType.DepthStencilBuffer,
depthFormat))
{
return(depthFormat);
}
}
return(DepthFormat.Unknown);
}
private void ValidateGraphicsDeviceInformation(GraphicsDeviceInformation devInfo)
{
SurfaceFormat format;
GraphicsAdapter adapter = devInfo.Adapter;
DeviceType deviceType = devInfo.DeviceType;
bool enableAutoDepthStencil = devInfo.PresentationParameters.EnableAutoDepthStencil;
DepthFormat autoDepthStencilFormat = devInfo.PresentationParameters.AutoDepthStencilFormat;
SurfaceFormat backBufferFormat = devInfo.PresentationParameters.BackBufferFormat;
int backBufferWidth = devInfo.PresentationParameters.BackBufferWidth;
int backBufferHeight = devInfo.PresentationParameters.BackBufferHeight;
PresentationParameters presentationParameters = devInfo.PresentationParameters;
SurfaceFormat format4 = presentationParameters.BackBufferFormat;
if (!presentationParameters.IsFullScreen)
{
format = adapter.CurrentDisplayMode.Format;
if (SurfaceFormat.Unknown == presentationParameters.BackBufferFormat)
{
format4 = format;
}
}
else
{
SurfaceFormat format5 = presentationParameters.BackBufferFormat;
if (format5 != SurfaceFormat.Color)
{
if (format5 != SurfaceFormat.Bgra5551)
{
format = presentationParameters.BackBufferFormat;
}
else
{
format = SurfaceFormat.Bgr555;
}
}
else
{
format = SurfaceFormat.Bgr32;
}
}
if (-1 == Array.IndexOf <SurfaceFormat>(ValidBackBufferFormats, format4))
{
throw new ArgumentException(Resources.ValidateBackBufferFormatIsInvalid);
}
if (
!adapter.CheckDeviceType(deviceType, format, presentationParameters.BackBufferFormat,
presentationParameters.IsFullScreen))
{
throw new ArgumentException(Resources.ValidateDeviceType);
}
if ((presentationParameters.BackBufferCount < 0) || (presentationParameters.BackBufferCount > 3))
{
throw new ArgumentException(Resources.ValidateBackBufferCount);
}
if ((presentationParameters.BackBufferCount > 1) && (presentationParameters.SwapEffect == SwapEffect.Copy))
{
throw new ArgumentException(Resources.ValidateBackBufferCountSwapCopy);
}
switch (presentationParameters.SwapEffect)
{
case SwapEffect.Default:
case SwapEffect.Flip:
case SwapEffect.Copy:
{
int num3;
if (
!adapter.CheckDeviceMultiSampleType(deviceType, format4, presentationParameters.IsFullScreen,
presentationParameters.MultiSampleType, out num3))
{
throw new ArgumentException(Resources.ValidateMultiSampleTypeInvalid);
}
if (presentationParameters.MultiSampleQuality >= num3)
{
throw new ArgumentException(Resources.ValidateMultiSampleQualityInvalid);
}
if ((presentationParameters.MultiSampleType != MultiSampleType.None) &&
(presentationParameters.SwapEffect != SwapEffect.Default))
{
throw new ArgumentException(Resources.ValidateMultiSampleSwapEffect);
}
if (((presentationParameters.PresentOptions & PresentOptions.DiscardDepthStencil) !=
PresentOptions.None) && !presentationParameters.EnableAutoDepthStencil)
{
throw new ArgumentException(Resources.ValidateAutoDepthStencilMismatch);
}
if (presentationParameters.EnableAutoDepthStencil)
{
if (
!adapter.CheckDeviceFormat(deviceType, format, ResourceUsage.None, QueryUsages.None,
ResourceType.DepthStencilBuffer,
presentationParameters.AutoDepthStencilFormat))
{
throw new ArgumentException(Resources.ValidateAutoDepthStencilFormatInvalid);
}
if (
!adapter.CheckDepthStencilMatch(deviceType, format, format4,
presentationParameters.AutoDepthStencilFormat))
{
throw new ArgumentException(Resources.ValidateAutoDepthStencilFormatIncompatible);
}
}
if (!presentationParameters.IsFullScreen)
{
if (presentationParameters.FullScreenRefreshRateInHz != 0)
{
throw new ArgumentException(Resources.ValidateRefreshRateInWindow);
}
switch (presentationParameters.PresentationInterval)
{
case PresentInterval.Default:
case PresentInterval.One:
case PresentInterval.Immediate:
return;
}
throw new ArgumentException(Resources.ValidatePresentationIntervalInWindow);
}
if (presentationParameters.FullScreenRefreshRateInHz == 0)
{
throw new ArgumentException(Resources.ValidateRefreshRateInFullScreen);
}
GraphicsDeviceCapabilities capabilities = adapter.GetCapabilities(deviceType);
switch (presentationParameters.PresentationInterval)
{
case PresentInterval.Default:
case PresentInterval.One:
case PresentInterval.Immediate:
goto Label_02E5;
case PresentInterval.Two:
case PresentInterval.Three:
case PresentInterval.Four:
if ((capabilities.PresentInterval & presentationParameters.PresentationInterval) ==
PresentInterval.Default)
{
throw new ArgumentException(
Resources.ValidatePresentationIntervalIncompatibleInFullScreen);
}
goto Label_02E5;
}
break;
}
default:
throw new ArgumentException(Resources.ValidateSwapEffectInvalid);
}
throw new ArgumentException(Resources.ValidatePresentationIntervalInFullScreen);
Label_02E5:
if (presentationParameters.IsFullScreen)
{
if ((presentationParameters.BackBufferWidth == 0) || (presentationParameters.BackBufferHeight == 0))
{
throw new ArgumentException(Resources.ValidateBackBufferDimsFullScreen);
}
bool flag2 = true;
bool flag3 = false;
DisplayMode currentDisplayMode = adapter.CurrentDisplayMode;
if (((currentDisplayMode.Format != format) &&
(currentDisplayMode.Width != presentationParameters.BackBufferHeight)) &&
((currentDisplayMode.Height != presentationParameters.BackBufferHeight) &&
(currentDisplayMode.RefreshRate != presentationParameters.FullScreenRefreshRateInHz)))
{
flag2 = false;
foreach (DisplayMode mode2 in adapter.SupportedDisplayModes[format])
{
if ((mode2.Width == presentationParameters.BackBufferWidth) &&
(mode2.Height == presentationParameters.BackBufferHeight))
{
flag3 = true;
if (mode2.RefreshRate == presentationParameters.FullScreenRefreshRateInHz)
{
flag2 = true;
break;
}
}
}
}
if (!flag2 && flag3)
{
throw new ArgumentException(Resources.ValidateBackBufferDimsModeFullScreen);
}
if (!flag2)
{
throw new ArgumentException(Resources.ValidateBackBufferHzModeFullScreen);
}
}
if (presentationParameters.EnableAutoDepthStencil != enableAutoDepthStencil)
{
throw new ArgumentException(Resources.ValidateAutoDepthStencilAdapterGroup);
}
if (presentationParameters.EnableAutoDepthStencil)
{
if (presentationParameters.AutoDepthStencilFormat != autoDepthStencilFormat)
{
throw new ArgumentException(Resources.ValidateAutoDepthStencilAdapterGroup);
}
if (presentationParameters.BackBufferFormat != backBufferFormat)
{
throw new ArgumentException(Resources.ValidateAutoDepthStencilAdapterGroup);
}
if (presentationParameters.BackBufferWidth != backBufferWidth)
{
throw new ArgumentException(Resources.ValidateAutoDepthStencilAdapterGroup);
}
if (presentationParameters.BackBufferHeight != backBufferHeight)
{
throw new ArgumentException(Resources.ValidateAutoDepthStencilAdapterGroup);
}
}
}
void graphics_PreparingDeviceSettings(object sender,
PreparingDeviceSettingsEventArgs e)
{
int quality = 0;
GraphicsAdapter adapter = e.GraphicsDeviceInformation.Adapter;
SurfaceFormat format = adapter.CurrentDisplayMode.Format;
DisplayMode currentmode = adapter.CurrentDisplayMode;
PresentationParameters pp =
e.GraphicsDeviceInformation.PresentationParameters;
#if XBOX
pp.MultiSampleQuality = 0;
pp.MultiSampleType =
MultiSampleType.FourSamples;
pp.BackBufferWidth = 1280;
pp.BackBufferHeight = 720;
pp.BackBufferFormat = SurfaceFormat.Bgr32;
pp.AutoDepthStencilFormat = DepthFormat.Depth24Stencil8Single;
pp.EnableAutoDepthStencil = true;
return;
#endif
// Set a window size compatible with the current screen
if (currentmode.Width < 800)
{
pp.BackBufferWidth = 640;
pp.BackBufferHeight = 480;
}
else if (currentmode.Width < 1024)
{
pp.BackBufferWidth = 800;
pp.BackBufferHeight = 600;
}
else if (currentmode.Width < 1280)
{
pp.BackBufferWidth = 1024;
pp.BackBufferHeight = 768;
}
else // Xbox, or a PC with a big screen
{
pp.BackBufferWidth = 1280;
pp.BackBufferHeight = 720;
}
// Xbox 360 and most PCs support FourSamples/0 (4x)
// and TwoSamples/0 (2x) antialiasing.
// Check for 4xAA
if (adapter.CheckDeviceMultiSampleType(DeviceType.Hardware, format,
false, MultiSampleType.FourSamples, out quality))
{
// even if a greater quality is returned, we only want quality 0
pp.MultiSampleQuality = 0;
pp.MultiSampleType = MultiSampleType.FourSamples;
}
// Check for 2xAA
else if (adapter.CheckDeviceMultiSampleType(DeviceType.Hardware,
format, false, MultiSampleType.TwoSamples, out quality))
{
// even if a greater quality is returned, we only want quality 0
pp.MultiSampleQuality = 0;
pp.MultiSampleType = MultiSampleType.TwoSamples;
}
// Does this video card support Depth24Stencil8Single
// for the back buffer?
if (adapter.CheckDeviceFormat(DeviceType.Hardware,
adapter.CurrentDisplayMode.Format, TextureUsage.None,
QueryUsages.None, ResourceType.RenderTarget,
DepthFormat.Depth24Stencil8Single))
{
// if so, let's use that
pp.AutoDepthStencilFormat = DepthFormat.Depth24Stencil8Single;
pp.EnableAutoDepthStencil = true;
}
return;
}
/// <summary>
/// Creates render targets and DS buffers needed for rendering
/// </summary>
private void CreateRenderTargets()
{
Vector2 gBufferMultiplier = GBufferSizes[(int)gBufferSize];
int gBufferWidth = (int)(gBufferMultiplier.X * ScreenWidth);
int gBufferHeight = (int)(gBufferMultiplier.Y * ScreenHeight);
gBufferDimensions = new Vector2(gBufferWidth, gBufferHeight);
if (depthIDBuffer != null)
{
depthIDBuffer.Dispose();
}
depthIDBuffer = new RenderTarget2D(GraphicsDevice, gBufferWidth, gBufferHeight, 1,
SurfaceFormat.HalfVector2, RenderTargetUsage.PreserveContents);
// We'll prefer Rgba1010102 for normals + specular exponent, since we only need 3 components
// and it's nice to have the extra precision for normals. If you needed another component,
// you could use Color and only use 8-bits for the normals. Or if you wanted to check to see if
// the GPU supports MRT with independed bit-depths, you could go with HalfVector4 and get
// even more precision.
SurfaceFormat normalSpecularFormat = SurfaceFormat.Color;
GraphicsAdapter adapter = GraphicsAdapter.DefaultAdapter;
SurfaceFormat adapterFormat = adapter.CurrentDisplayMode.Format;
if (adapter.CheckDeviceFormat(DeviceType.Hardware, adapterFormat, TextureUsage.None, QueryUsages.None,
ResourceType.RenderTarget, SurfaceFormat.Rgba1010102))
{
normalSpecularFormat = SurfaceFormat.Rgba1010102;
}
if (normalSpecularBuffer != null)
{
normalSpecularBuffer.Dispose();
}
normalSpecularBuffer = new RenderTarget2D(GraphicsDevice, gBufferWidth, gBufferHeight, 1,
normalSpecularFormat, RenderTargetUsage.PreserveContents);
if (lightBuffer != null)
{
lightBuffer.Dispose();
}
lightBuffer = new RenderTarget2D(GraphicsDevice, gBufferWidth, gBufferHeight, 1,
SurfaceFormat.HalfVector4, RenderTargetUsage.PreserveContents);
if (colorBuffer != null)
{
colorBuffer.Dispose();
}
if (enableMSAA)
{
colorBuffer = new RenderTarget2D(GraphicsDevice, ScreenWidth, ScreenHeight, 1,
SurfaceFormat.Color, MultiSampleType.FourSamples, 0,
RenderTargetUsage.PreserveContents);
}
else
{
colorBuffer = new RenderTarget2D(GraphicsDevice, ScreenWidth, ScreenHeight, 1,
SurfaceFormat.Color, RenderTargetUsage.PreserveContents);
}
nonMSAADS = GraphicsDevice.DepthStencilBuffer;
if (msaaDS != null && msaaDS != nonMSAADS)
{
msaaDS.Dispose();
}
if (enableMSAA)
{
msaaDS = new DepthStencilBuffer(GraphicsDevice, ScreenWidth, ScreenHeight,
DepthFormat.Depth24Stencil8,
MultiSampleType.FourSamples, 0);
}
else
{
msaaDS = nonMSAADS;
}
if (shadowMap != null)
{
shadowMap.Dispose();
}
shadowMap = new RenderTarget2D(GraphicsDevice, (int)shadowMapSize, (int)shadowMapSize,
1, SurfaceFormat.Single, RenderTargetUsage.PreserveContents);
if (shadowMapDS != null)
{
shadowMapDS.Dispose();
}
shadowMapDS = new DepthStencilBuffer(GraphicsDevice, (int)shadowMapSize, (int)shadowMapSize, DepthFormat.Depth24Stencil8);
}