/// <summary>
/// Internal constructor to create RT for backbuffer.
/// </summary>
/// <param name="device"></param>
/// <param name="backbufColor"></param>
internal RenderTarget2D(GraphicsDevice device, D3D.Texture2D backbufColor, RenderTargetViewDescription?desc = null) : base(device)
{
Log.Debug("RenderTarget2D: from backbuffer.");
if (backbufColor.Description.Format != DXGI.Format.R8G8B8A8_UNorm)
{
Log.Warning("R8G8B8A8_UNorm");
}
Width = backbufColor.Description.Width;
Height = backbufColor.Description.Height;
Format = ColorFormat.Rgba8;
MipCount = 1;
SampleCount = backbufColor.Description.SampleDescription.Count;
SRV = null;
tex2D = backbufColor;
surfaces = new RenderTargetSurface[1];
if (desc.HasValue)
{
surfaces[0] = new RenderTargetSurface(new RenderTargetView(device.Device, backbufColor, desc.Value), null, tex2D, 0, Format, Width, Height, SampleCount);
}
else
{
surfaces[0] = new RenderTargetSurface(new RenderTargetView(device.Device, backbufColor), null, tex2D, 0, Format, Width, Height, SampleCount);
}
}
/// <summary>
/// SetCSRWBuffer & SetCSRWTexture share same registers.
/// </summary>
/// <param name="register"></param>
/// <param name="buffer"></param>
/// <param name="initialCount">An array of append and consume buffer offsets.
/// A value of -1 indicates to keep the current offset.
/// Any other values set the hidden counter for that appendable and consumable UAV. </param>
public void SetCSRWTexture(int register, RenderTargetSurface surface)
{
if (register > 8)
{
throw new GraphicsException("Could not bind RW texture at register " + register.ToString() + " (max 8)");
}
lock (deviceContext) {
DeviceContext.ComputeShader.SetUnorderedAccessView(register, surface == null?null:surface.UAV, -1);
}
}
/// <summary>
///
/// </summary>
/// <param name="source"></param>
/// <param name="destination"></param>
public void Resolve(RenderTargetSurface source, RenderTargetSurface destination)
{
if (source.Width != destination.Width || source.Height != destination.Height)
{
throw new GraphicsException("Could not resolve: source and destination are not the same size");
}
if (source.SampleCount <= 1)
{
throw new GraphicsException("Could not resolve: source surface is not multisampled");
}
if (destination.SampleCount > 1)
{
throw new GraphicsException("Could not resolve: destination surface is multisampled");
}
lock (deviceContext) {
deviceContext.ResolveSubresource(source.Resource, source.Subresource, destination.Resource, destination.Subresource, Converter.Convert(source.Format));
}
}
/// <summary>
/// SetPSRWBuffer & SetPSRWTexture share same registers.
/// </summary>
/// <param name="register"></param>
/// <param name="buffer"></param>
/// <param name="initialCount">An array of append and consume buffer offsets.
/// A value of -1 indicates to keep the current offset.
/// Any other values set the hidden counter for that appendable and consumable UAV. </param>
public void SetPSRWTexture ( int register, RenderTargetSurface surface )
{
if (register>8) {
throw new GraphicsException("Could not bind RW texture at register " + register.ToString() + " (max 8)");
}
lock (deviceContext) {
DeviceContext.OutputMerger.SetUnorderedAccessView ( register, surface==null?null:surface.UAV, -1 );
}
}
/// <summary>
/// Draws sprite laters and all sublayers.
/// </summary>
/// <param name="gameTime"></param>
/// <param name="stereoEye"></param>
public void DrawSprites ( GameTime gameTime, StereoEye stereoEye, RenderTargetSurface surface, IEnumerable<SpriteLayer> layers )
{
device.ResetStates();
//device.RestoreBackbuffer();
device.SetTargets( null, surface );
DrawSpritesRecursive( gameTime, stereoEye, surface, layers, Matrix.Identity, new Color4(1f,1f,1f,1f) );
}
/// <summary>
///
/// </summary>
/// <param name="dst">target to copy to</param>
/// <param name="src">target to copy from</param>
public void OverlayAdditive( RenderTargetSurface dst, ShaderResource src )
{
SetDefaultRenderStates();
using( new PixEvent("OverlayAdditive") ) {
if(dst == null) {
rs.RestoreBackbuffer();
} else {
rs.SetTargets( null, dst );
}
rs.PipelineState = factory[ (int)ShaderFlags.OVERLAY_ADDITIVE ];
rs.PixelShaderResources[0] = src;
rs.Draw( 3, 0 );
}
rs.ResetStates();
}
/// <summary>
///
/// </summary>
/// <param name="dst">target to copy to</param>
/// <param name="src">target to copy from</param>
public void Copy( RenderTargetSurface dst, ShaderResource src )
{
SetDefaultRenderStates();
using( new PixEvent("Copy") ) {
if(dst == null) {
rs.RestoreBackbuffer();
} else {
SetViewport(dst);
rs.SetTargets( null, dst );
}
rs.PipelineState = factory[ (int)ShaderFlags.COPY ];
rs.PixelShaderResources[0] = src;
rs.Draw( 3, 0 );
}
rs.ResetStates();
}
public void LinearizeDepth( RenderTargetSurface dst, ShaderResource src )
{
throw new NotImplementedException();
#if false
Debug.Assert( Game.IsServiceExist<Camera>() );
var camera = Game.GetService<Camera>();
bufLinearizeDepth.Data.linearizeDepthA = 1.0f / camera.FrustumZFar - 1.0f / camera.FrustumZNear;
bufLinearizeDepth.Data.linearizeDepthB = 1.0f / camera.FrustumZNear;
bufLinearizeDepth.UpdateCBuffer();
var isDepthMSAA = ( src.SampleCount > 1 );
var depthShader = (int)( isDepthMSAA ? ShaderFlags.RESOLVE_AND_LINEARIZE_DEPTH_MSAA : ShaderFlags.LINEARIZE_DEPTH );
string signature;
SetDefaultRenderStates();
using( new PixEvent() ) {
bufLinearizeDepth.SetCBufferPS( 0 );
shaders.SetPixelShader( depthShader );
shaders.SetVertexShader( depthShader );
dst.SetViewport();
rs.SetRenderTargets( dst );
src.SetPS( 0 );
rs.Draw( Primitive.TriangleList, 3, 0 );
}
rs.ResetStates();
#endif
}
/// <summary>
/// Creates render target
/// </summary>
/// <param name="?"></param>
/// <param name="format"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="samples"></param>
/// <param name="mips"></param>
/// <param name="debugName"></param>
void Create(ColorFormat format, int size, int samples, bool mips, string debugName)
{
bool msaa = samples > 1;
CheckSamplesCount(samples);
if (mips && samples > 1)
{
throw new ArgumentException("Render target should be multisampler either mipmapped");
}
SampleCount = samples;
Format = format;
SampleCount = samples;
Width = size;
Height = size;
Depth = 1;
MipCount = mips ? ShaderResource.CalculateMipLevels(Width, Height) : 1;
var texDesc = new Texture2DDescription();
texDesc.Width = Width;
texDesc.Height = Height;
texDesc.ArraySize = 6;
texDesc.BindFlags = BindFlags.RenderTarget | BindFlags.ShaderResource;
texDesc.CpuAccessFlags = CpuAccessFlags.None;
texDesc.Format = Converter.Convert(format);
texDesc.MipLevels = mips ? MipCount : 1;
texDesc.OptionFlags = ResourceOptionFlags.TextureCube | (mips ? ResourceOptionFlags.GenerateMipMaps : ResourceOptionFlags.None);
texDesc.SampleDescription = new DXGI.SampleDescription(samples, 0);
texDesc.Usage = ResourceUsage.Default;
texCube = new D3D.Texture2D(device.Device, texDesc);
SRV = new ShaderResourceView(device.Device, texCube);
texDesc.BindFlags = BindFlags.None;
texDesc.CpuAccessFlags = CpuAccessFlags.Write | CpuAccessFlags.Read;
texDesc.Usage = ResourceUsage.Staging;
texDesc.OptionFlags = ResourceOptionFlags.TextureCube;
staging = new D3D.Texture2D(device.Device, texDesc);
//
// Top mipmap level :
//
cubeMipShaderResources = new ShaderResource[MipCount];
for (int mip = 0; mip < MipCount; mip++)
{
var srvDesc = new ShaderResourceViewDescription();
srvDesc.TextureCube.MipLevels = 1;
srvDesc.TextureCube.MostDetailedMip = mip;
srvDesc.Format = Converter.Convert(format);
srvDesc.Dimension = ShaderResourceViewDimension.TextureCube;
cubeMipShaderResources[mip] = new ShaderResource(device, new ShaderResourceView(device.Device, texCube, srvDesc), size >> mip, size >> mip, 1);
}
//
// Create surfaces :
//
surfaces = new RenderTargetSurface[MipCount, 6];
for (int mip = 0; mip < MipCount; mip++)
{
int width = GetMipSize(Width, mip);
int height = GetMipSize(Height, mip);
for (int face = 0; face < 6; face++)
{
var rtvDesc = new RenderTargetViewDescription();
rtvDesc.Texture2DArray.MipSlice = mip;
rtvDesc.Texture2DArray.FirstArraySlice = face;
rtvDesc.Texture2DArray.ArraySize = 1;
rtvDesc.Dimension = msaa ? RenderTargetViewDimension.Texture2DMultisampledArray : RenderTargetViewDimension.Texture2DArray;
rtvDesc.Format = Converter.Convert(format);
var rtv = new RenderTargetView(device.Device, texCube, rtvDesc);
int subResId = Resource.CalculateSubResourceIndex(mip, face, MipCount);
surfaces[mip, face] = new RenderTargetSurface(rtv, null, texCube, subResId, format, Width, Height, samples);
GraphicsDevice.Clear(surfaces[mip, face], Color4.Zero);
}
}
}
/// <summary>
/// Performs luminance measurement, tonemapping, applies bloom.
/// </summary>
/// <param name="target">LDR target.</param>
/// <param name="hdrImage">HDR source image.</param>
public void Render ( GameTime gameTime, RenderTargetSurface target, ShaderResource hdrImage, RenderWorld viewLayer )
{
var device = Game.GraphicsDevice;
var filter = Game.RenderSystem.Filter;
var settings = viewLayer.HdrSettings;
//
// Rough downsampling of source HDR-image :
//
filter.StretchRect( averageLum.Surface, hdrImage, SamplerState.PointClamp );
averageLum.BuildMipmaps();
//
// Make bloom :
//
filter.StretchRect( viewLayer.Bloom0.Surface, hdrImage, SamplerState.LinearClamp );
viewLayer.Bloom0.BuildMipmaps();
filter.GaussBlur( viewLayer.Bloom0, viewLayer.Bloom1, settings.GaussBlurSigma, 0 );
filter.GaussBlur( viewLayer.Bloom0, viewLayer.Bloom1, settings.GaussBlurSigma, 1 );
filter.GaussBlur( viewLayer.Bloom0, viewLayer.Bloom1, settings.GaussBlurSigma, 2 );
filter.GaussBlur( viewLayer.Bloom0, viewLayer.Bloom1, settings.GaussBlurSigma, 3 );
//
// Setup parameters :
//
var paramsData = new Params();
paramsData.AdaptationRate = 1 - (float)Math.Pow( 0.5f, gameTime.ElapsedSec / settings.AdaptationHalfLife );
paramsData.LuminanceLowBound = settings.LuminanceLowBound;
paramsData.LuminanceHighBound = settings.LuminanceHighBound;
paramsData.KeyValue = settings.KeyValue;
paramsData.BloomAmount = settings.BloomAmount;
paramsData.DirtMaskLerpFactor = settings.DirtMaskLerpFactor;
paramsData.DirtAmount = settings.DirtAmount;
paramsCB.SetData( paramsData );
device.PixelShaderConstants[0] = paramsCB;
//
// Measure and adapt :
//
device.SetTargets( null, viewLayer.MeasuredNew );
device.PixelShaderResources[0] = averageLum;
device.PixelShaderResources[1] = viewLayer.MeasuredOld;
device.PipelineState = factory[ (int)(Flags.MEASURE_ADAPT) ];
device.Draw( 3, 0 );
//
// Tonemap and compose :
//
device.SetTargets( null, target );
device.PixelShaderResources[0] = hdrImage;// averageLum;
device.PixelShaderResources[1] = viewLayer.MeasuredNew;// averageLum;
device.PixelShaderResources[2] = viewLayer.Bloom0;// averageLum;
device.PixelShaderResources[3] = settings.DirtMask1==null ? whiteTex.Srv : settings.DirtMask1.Srv;
device.PixelShaderResources[4] = settings.DirtMask2==null ? whiteTex.Srv : settings.DirtMask2.Srv;
device.PixelShaderSamplers[0] = SamplerState.LinearClamp;
Flags op = Flags.LINEAR;
if (settings.TonemappingOperator==TonemappingOperator.Filmic) { op = Flags.FILMIC; }
if (settings.TonemappingOperator==TonemappingOperator.Linear) { op = Flags.LINEAR; }
if (settings.TonemappingOperator==TonemappingOperator.Reinhard) { op = Flags.REINHARD; }
device.PipelineState = factory[ (int)(Flags.TONEMAPPING|op) ];
device.Draw( 3, 0 );
device.ResetStates();
// swap luminanice buffers :
Misc.Swap( ref viewLayer.MeasuredNew, ref viewLayer.MeasuredOld );
}
/// <summary>
///
/// </summary>
public void Render ( RenderTargetSurface colorBuffer, Camera camera )
{
DrawTracers();
if (!vertexDataAccum.Any()) {
return;
}
var dev = Game.GraphicsDevice;
dev.ResetStates();
dev.SetTargets( null, colorBuffer );
constData.Transform = camera.GetViewMatrix(StereoEye.Mono) * camera.GetProjectionMatrix(StereoEye.Mono);
constBuffer.SetData(constData);
dev.SetupVertexInput( vertexBuffer, null );
dev.VertexShaderConstants[0] = constBuffer ;
dev.PipelineState = factory[0];
int numDPs = MathUtil.IntDivUp(vertexDataAccum.Count, vertexBufferSize);
for (int i = 0; i < numDPs; i++) {
int numVerts = i < numDPs - 1 ? vertexBufferSize : vertexDataAccum.Count % vertexBufferSize;
if (numVerts == 0) {
break;
}
vertexDataAccum.CopyTo(i * vertexBufferSize, vertexArray, 0, numVerts);
vertexBuffer.SetData(vertexArray, 0, numVerts);
dev.Draw( numVerts, 0);
}
vertexDataAccum.Clear();
}
/// <summary>
/// Creates render target
/// </summary>
/// <param name="?"></param>
/// <param name="format"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="samples"></param>
/// <param name="mips"></param>
/// <param name="debugName"></param>
void Create ( ColorFormat format, int size, int samples, bool mips, string debugName )
{
bool msaa = samples > 1;
CheckSamplesCount( samples );
if (mips && samples>1) {
throw new ArgumentException("Render target should be multisampler either mipmapped");
}
SampleCount = samples;
Format = format;
SampleCount = samples;
Width = size;
Height = size;
Depth = 1;
MipCount = mips ? ShaderResource.CalculateMipLevels( Width, Height ) : 1;
var texDesc = new Texture2DDescription();
texDesc.Width = Width;
texDesc.Height = Height;
texDesc.ArraySize = 6;
texDesc.BindFlags = BindFlags.RenderTarget | BindFlags.ShaderResource;
texDesc.CpuAccessFlags = CpuAccessFlags.None;
texDesc.Format = Converter.Convert( format );
texDesc.MipLevels = mips ? MipCount : 1;
texDesc.OptionFlags = ResourceOptionFlags.TextureCube | (mips ? ResourceOptionFlags.GenerateMipMaps : ResourceOptionFlags.None);
texDesc.SampleDescription = new DXGI.SampleDescription(samples, 0);
texDesc.Usage = ResourceUsage.Default;
texCube = new D3D.Texture2D( device.Device, texDesc );
SRV = new ShaderResourceView( device.Device, texCube );
//
// Top mipmap level :
//
cubeMipShaderResources = new ShaderResource[MipCount];
for (int mip=0; mip<MipCount; mip++) {
var srvDesc = new ShaderResourceViewDescription();
srvDesc.TextureCube.MipLevels = 1;
srvDesc.TextureCube.MostDetailedMip = mip;
srvDesc.Format = Converter.Convert( format );
srvDesc.Dimension = ShaderResourceViewDimension.TextureCube;
cubeMipShaderResources[mip] = new ShaderResource( device, new ShaderResourceView(device.Device, texCube, srvDesc), size>>mip, size>>mip, 1 );
}
//
// Create surfaces :
//
surfaces = new RenderTargetSurface[ MipCount, 6 ];
for ( int mip=0; mip<MipCount; mip++ ) {
int width = GetMipSize( Width, mip );
int height = GetMipSize( Height, mip );
for ( int face=0; face<6; face++) {
var rtvDesc = new RenderTargetViewDescription();
rtvDesc.Texture2DArray.MipSlice = mip;
rtvDesc.Texture2DArray.FirstArraySlice = face;
rtvDesc.Texture2DArray.ArraySize = 1;
rtvDesc.Dimension = msaa ? RenderTargetViewDimension.Texture2DMultisampledArray : RenderTargetViewDimension.Texture2DArray;
rtvDesc.Format = Converter.Convert( format );
var rtv = new RenderTargetView( device.Device, texCube, rtvDesc );
int subResId = Resource.CalculateSubResourceIndex( mip, face, MipCount );
surfaces[mip,face] = new RenderTargetSurface( rtv, null, texCube, subResId, format, Width, Height, samples );
GraphicsDevice.Clear( surfaces[mip,face], Color4.Zero );
}
}
}
/// <summary>
/// Clears render target using given color
/// </summary>
/// <param name="surface"></param>
/// <param name="color"></param>
public void Clear(RenderTargetSurface surface, Color4 color)
{
lock (deviceContext) {
deviceContext.ClearRenderTargetView(surface.RTV, SharpDXHelper.Convert(color));
}
}
/// <summary>
/// Creates render target
/// </summary>
/// <param name="rs"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="format"></param>
public FeedbackBuffer(GraphicsDevice device, int width, int height) : base(device)
{
Log.Debug("FeedbackBuffer: w:{0} h:{1}", width, height);
feedbackData = new VTAddress[width * height];
feedbackDataRaw = new int[width * height];
linearSize = width * height;
Width = width;
Height = height;
Depth = 1;
//
// Create Texture2D :
//
var texDesc = new Texture2DDescription();
texDesc.Width = width;
texDesc.Height = height;
texDesc.ArraySize = 1;
texDesc.BindFlags = BindFlags.RenderTarget | BindFlags.ShaderResource;
texDesc.CpuAccessFlags = CpuAccessFlags.None;
texDesc.Format = DXGI.Format.R10G10B10A2_UNorm;
texDesc.MipLevels = 1;
texDesc.OptionFlags = ResourceOptionFlags.None;
texDesc.SampleDescription = new DXGI.SampleDescription(1, 0);
texDesc.Usage = ResourceUsage.Default;
tex2D = new D3D.Texture2D(device.Device, texDesc);
//
// Create staging Texture2D :
//
var texDescStaging = new Texture2DDescription();
texDescStaging.Width = width;
texDescStaging.Height = height;
texDescStaging.ArraySize = 1;
texDescStaging.BindFlags = BindFlags.None;
texDescStaging.CpuAccessFlags = CpuAccessFlags.Read;
texDescStaging.Format = DXGI.Format.R10G10B10A2_UNorm;
texDescStaging.MipLevels = 1;
texDescStaging.OptionFlags = ResourceOptionFlags.None;
texDescStaging.SampleDescription = new DXGI.SampleDescription(1, 0);
texDescStaging.Usage = ResourceUsage.Staging;
tex2Dstaging = new D3D.Texture2D(device.Device, texDescStaging);
tex2Dstaging1 = new D3D.Texture2D(device.Device, texDescStaging);
tex2Dstaging2 = new D3D.Texture2D(device.Device, texDescStaging);
//
// Create SRV :
//
var srvDesc = new ShaderResourceViewDescription();
srvDesc.Texture2D.MipLevels = 1;
srvDesc.Texture2D.MostDetailedMip = 0;
srvDesc.Dimension = ShaderResourceViewDimension.Texture2D;
srvDesc.Format = DXGI.Format.R10G10B10A2_UNorm;
SRV = new ShaderResourceView(device.Device, tex2D, srvDesc);
//
// Create RTV :
//
width = Width;
height = Height;
var rtvDesc = new RenderTargetViewDescription();
rtvDesc.Texture2D.MipSlice = 0;
rtvDesc.Dimension = RenderTargetViewDimension.Texture2D;
rtvDesc.Format = DXGI.Format.R10G10B10A2_UNorm;
var rtv = new RenderTargetView(device.Device, tex2D, rtvDesc);
surface = new RenderTargetSurface(rtv, null, tex2D, 0, ColorFormat.Unknown, width, height, 1);
}
/// <summary>
/// Draw sprite layers
/// </summary>
/// <param name="gameTime"></param>
/// <param name="stereoEye"></param>
/// <param name="layers"></param>
void DrawSpritesRecursive ( GameTime gameTime, StereoEye stereoEye, RenderTargetSurface surface, IEnumerable<SpriteLayer> layers, Matrix parentTransform, Color4 parentColor )
{
int w = surface.Width;
int h = surface.Height;
var ofs = 0f;
var projection = Matrix.OrthoOffCenterRH(ofs, w + ofs, h + ofs, ofs, -9999, 9999);
var orderedLayers = layers.Where( layer0 => layer0!=null ).OrderBy( layer1 => layer1.Order );
foreach ( var layer in orderedLayers ) {
if (!layer.Visible) {
continue;
}
using ( new PixEvent("SpriteLayer") ) {
Matrix absTransform = parentTransform * layer.Transform;
Color4 absColor = parentColor * layer.Color.ToColor4();
constData.Transform = absTransform * projection;
constData.ClipRectangle = new Vector4(0,0,0,0);
constData.MasterColor = absColor;
constBuffer.SetData( constData );
device.VertexShaderConstants[0] = constBuffer;
device.PixelShaderConstants[0] = constBuffer;
PipelineState ps = null;
SamplerState ss = null;
switch ( layer.FilterMode ) {
case SpriteFilterMode.PointClamp : ss = SamplerState.PointClamp; break;
case SpriteFilterMode.PointWrap : ss = SamplerState.PointWrap; break;
case SpriteFilterMode.LinearClamp : ss = SamplerState.LinearClamp; break;
case SpriteFilterMode.LinearWrap : ss = SamplerState.LinearWrap; break;
case SpriteFilterMode.AnisotropicClamp : ss = SamplerState.AnisotropicClamp; break;
case SpriteFilterMode.AnisotropicWrap : ss = SamplerState.AnisotropicWrap; break;
}
switch ( layer.BlendMode ) {
case SpriteBlendMode.Opaque : ps = factory[(int)Flags.OPAQUE ]; break;
case SpriteBlendMode.AlphaBlend : ps = factory[(int)Flags.ALPHA_BLEND ]; break;
case SpriteBlendMode.AlphaBlendPremul : ps = factory[(int)Flags.ALPHA_BLEND_PREMUL]; break;
case SpriteBlendMode.Additive : ps = factory[(int)Flags.ADDITIVE ]; break;
case SpriteBlendMode.Screen : ps = factory[(int)Flags.SCREEN ]; break;
case SpriteBlendMode.Multiply : ps = factory[(int)Flags.MULTIPLY ]; break;
case SpriteBlendMode.NegMultiply : ps = factory[(int)Flags.NEG_MULTIPLY ]; break;
case SpriteBlendMode.AlphaOnly : ps = factory[(int)Flags.ALPHA_ONLY ]; break;
}
device.PipelineState = ps;
device.PixelShaderSamplers[0] = ss;
layer.Draw( gameTime, stereoEye );
DrawSpritesRecursive( gameTime, stereoEye, surface, layer.Layers, absTransform, absColor );
}
}
}
/// <summary>
/// Creates render target
/// </summary>
/// <param name="?"></param>
/// <param name="format"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="samples"></param>
/// <param name="mips"></param>
/// <param name="debugName"></param>
void Create(ColorFormat format, int width, int height, int samples, int mips, bool enableRWBuffer)
{
//Log.Debug("RenderTarget2D: f:{0} w:{1} h:{2} s:{3}{4}{5}", format, width, height, samples, mips?" mips":"", enableRWBuffer?" uav":"" );
bool msaa = samples > 1;
CheckSamplesCount(samples);
if (mips != 1 && samples > 1)
{
throw new ArgumentException("Render target should be multisampler either mipmapped");
}
SampleCount = samples;
Format = format;
SampleCount = samples;
Width = width;
Height = height;
Depth = 1;
MipCount = mips == 0 ? ShaderResource.CalculateMipLevels(width, height) : mips;
var texDesc = new Texture2DDescription();
texDesc.Width = width;
texDesc.Height = height;
texDesc.ArraySize = 1;
texDesc.BindFlags = BindFlags.RenderTarget | BindFlags.ShaderResource;
texDesc.CpuAccessFlags = CpuAccessFlags.None;
texDesc.Format = Converter.Convert(format);
texDesc.MipLevels = MipCount;
texDesc.OptionFlags = (mips != 1) ? ResourceOptionFlags.GenerateMipMaps : ResourceOptionFlags.None;
texDesc.SampleDescription = new DXGI.SampleDescription(samples, 0);
texDesc.Usage = ResourceUsage.Default;
if (enableRWBuffer)
{
texDesc.BindFlags |= BindFlags.UnorderedAccess;
}
tex2D = new D3D.Texture2D(device.Device, texDesc);
SRV = new ShaderResourceView(device.Device, tex2D);
//
// Create surfaces :
//
surfaces = new RenderTargetSurface[MipCount];
for (int i = 0; i < MipCount; i++)
{
width = GetMipSize(Width, i);
height = GetMipSize(Height, i);
var rtvDesc = new RenderTargetViewDescription();
rtvDesc.Texture2D.MipSlice = i;
rtvDesc.Dimension = msaa ? RenderTargetViewDimension.Texture2DMultisampled : RenderTargetViewDimension.Texture2D;
rtvDesc.Format = Converter.Convert(format);
var rtv = new RenderTargetView(device.Device, tex2D, rtvDesc);
UnorderedAccessView uav = null;
if (enableRWBuffer)
{
var uavDesc = new UnorderedAccessViewDescription();
uavDesc.Buffer.ElementCount = width * height;
uavDesc.Buffer.FirstElement = 0;
uavDesc.Buffer.Flags = UnorderedAccessViewBufferFlags.None;
uavDesc.Dimension = UnorderedAccessViewDimension.Texture2D;
uavDesc.Format = Converter.Convert(format);
uavDesc.Texture2D.MipSlice = i;
uav = new UnorderedAccessView(device.Device, tex2D, uavDesc);
}
surfaces[i] = new RenderTargetSurface(rtv, uav, tex2D, i, format, width, height, samples);
}
}
/// <summary>
///
/// </summary>
/// <param name="gameTime"></param>
/// <param name="stereoEye"></param>
/// <param name="viewport"></param>
/// <param name="targetSurface"></param>
protected void RenderGIS ( GameTime gameTime, StereoEye stereoEye, Viewport viewport, RenderTargetSurface targetSurface )
{
if (GisLayers.Any()) {
if (GlobeDepthStencil == null) {
GlobeDepthStencil = new DepthStencil2D(Game.GraphicsDevice, DepthFormat.D24S8, targetSurface.Width, targetSurface.Height, targetSurface.SampleCount);
}
else if (GlobeDepthStencil.Width != targetSurface.Width || GlobeDepthStencil.Height != targetSurface.Height) {
GlobeDepthStencil.Dispose();
GlobeDepthStencil = new DepthStencil2D(Game.GraphicsDevice, DepthFormat.D24S8, targetSurface.Width, targetSurface.Height, targetSurface.SampleCount);
}
rs.Device.Clear(GlobeDepthStencil.Surface);
Game.GraphicsDevice.SetTargets(GlobeDepthStencil.Surface, targetSurface);
GlobeCamera.Viewport = viewport;
GlobeCamera.Update(gameTime);
rs.Gis.Camera = GlobeCamera;
rs.Gis.Draw(gameTime, stereoEye, GisLayers);
}
}
/// <summary>
///
/// </summary>
void RenderGeneric ( string passName, GameTime gameTime, Camera camera, Viewport viewport, Matrix view, Matrix projection, RenderTargetSurface colorTarget, DepthStencilSurface depthTarget, ShaderResource depthValues, Flags flags )
{
var device = Game.GraphicsDevice;
if (rs.SkipParticles) {
return;
}
using ( new PixEvent(passName) ) {
device.ResetStates();
//
// Setup images :
//
if (Images!=null && !Images.IsDisposed) {
imagesCB.SetData( Images.GetNormalizedRectangles( MaxImages ) );
}
SetupGPUParameters( 0, renderWorld, view, projection, flags );
device.ComputeShaderConstants[0] = paramsCB ;
//
// Render
//
using (new PixEvent("Drawing")) {
device.ResetStates();
// target and viewport :
device.SetTargets( depthTarget, colorTarget );
device.SetViewport( viewport );
// params CB :
device.ComputeShaderConstants[0] = paramsCB ;
device.VertexShaderConstants[0] = paramsCB ;
device.GeometryShaderConstants[0] = paramsCB ;
device.PixelShaderConstants[0] = paramsCB ;
// atlas CB :
device.VertexShaderConstants[1] = imagesCB ;
device.GeometryShaderConstants[1] = imagesCB ;
device.PixelShaderConstants[1] = imagesCB ;
// sampler & textures :
device.PixelShaderSamplers[0] = SamplerState.LinearClamp4Mips ;
device.PixelShaderResources[0] = Images==null? rs.WhiteTexture.Srv : Images.Texture.Srv;
device.PixelShaderResources[5] = depthValues;
device.GeometryShaderResources[1] = simulationBuffer ;
device.GeometryShaderResources[2] = simulationBuffer ;
device.GeometryShaderResources[3] = sortParticlesBuffer;
device.GeometryShaderResources[4] = particleLighting;
// setup PS :
device.PipelineState = factory[ (int)flags ];
// GPU time : 0.81 ms -> 0.91 ms
device.Draw( MaxSimulatedParticles, 0 );
}
}
}
/// <summary>
/// Performs good-old StretchRect to destination buffer with blending.
/// </summary>
/// <param name="dst"></param>
/// <param name="src"></param>
/// <param name="filter"></param>
/// <param name="rect"></param>
public void RenderSsao ( RenderTargetSurface ssaoDst, StereoEye stereoEye, Camera camera, DepthStencil2D depthSource, RenderTarget2D normalsSource )
{
SetDefaultRenderStates();
using( new PixEvent("SSAO") ) {
var ssaoParams = new SsaoParams();
ssaoParams.View = camera.GetViewMatrix( stereoEye );
ssaoParams.Projection = camera.GetProjectionMatrix( stereoEye );
ssaoParams.InverseProjection = Matrix.Invert( ssaoParams.Projection );
paramsCB.SetData( ssaoParams );
SetViewport( ssaoDst );
device.SetTargets( null, ssaoDst );
device.PipelineState = factory[ (int)(ShaderFlags.SSAO) ];
device.VertexShaderResources[0] = depthSource;
device.PixelShaderResources[0] = depthSource;
device.PixelShaderSamplers[0] = SamplerState.PointClamp;
device.PixelShaderConstants[0] = paramsCB;
device.PixelShaderConstants[1] = randomDirsCB;
device.Draw( 3, 0 );
}
device.ResetStates();
}
/// <summary>
///
/// </summary>
/// <param name="gameTime"></param>
internal void RenderShadow ( GameTime gameTime, Viewport viewport, Matrix view, Matrix projection, RenderTargetSurface particleShadow, DepthStencilSurface depthBuffer )
{
var colorTarget = particleShadow;
var depthTarget = depthBuffer;
RenderGeneric( "Particles Shadow", gameTime, null, viewport, view, projection, colorTarget, depthTarget, null, Flags.DRAW_SHADOW );
}
public void StretchRect4x4( RenderTargetSurface dst, RenderTarget2D src, SamplerState filter = null, bool flipToCubeFace = false )
{
SetDefaultRenderStates();
using( new PixEvent("StretchRect4x4") ) {
rs.SetTargets( null, dst );
SetViewport(dst);
if (flipToCubeFace) {
rs.PipelineState = factory[ (int)(ShaderFlags.DOWNSAMPLE_2_4x4|ShaderFlags.TO_CUBE_FACE) ];
} else {
rs.PipelineState = factory[ (int)ShaderFlags.DOWNSAMPLE_2_4x4 ];
}
rs.VertexShaderResources[0] = src;
rs.PixelShaderResources[0] = src;
rs.PixelShaderSamplers[0] = filter ?? SamplerState.LinearPointClamp;
rs.Draw( 3, 0 );
}
rs.ResetStates();
}
/// <summary>
///
/// </summary>
/// <param name="depthStencil"></param>
/// <param name="renderTargets"></param>
public void GetTargets ( out DepthStencilSurface depthStencil, out RenderTargetSurface[] renderTargets )
{
depthStencil = depthStencilSurface;
renderTargets = renderTargetSurfaces.ToArray();
}
void SetViewport ( RenderTargetSurface dst )
{
rs.SetViewport( 0,0, dst.Width, dst.Height );
}
/// <summary>
/// Clears render target using given color
/// </summary>
/// <param name="surface"></param>
/// <param name="color"></param>
public void Clear ( RenderTargetSurface surface, Color4 color )
{
lock (deviceContext) {
deviceContext.ClearRenderTargetView( surface.RTV, SharpDXHelper.Convert( color ) );
}
}
/// <summary>
///
/// </summary>
/// <param name="dst">target to copy to</param>
/// <param name="src">target to copy from</param>
public void FillAlphaOne( RenderTargetSurface dst )
{
SetDefaultRenderStates();
using( new PixEvent("FillAlphaOne") ) {
if(dst == null) {
rs.RestoreBackbuffer();
} else {
SetViewport(dst);
rs.SetTargets( null, dst );
}
rs.PipelineState = factory[ (int)ShaderFlags.FILL_ALPHA_ONE ];
rs.Draw( 3, 0 );
}
rs.ResetStates();
}
/// <summary>
///
/// </summary>
/// <param name="source"></param>
/// <param name="destination"></param>
public void Resolve ( RenderTargetSurface source, RenderTargetSurface destination )
{
if ( source.Width != destination.Width || source.Height != destination.Height ) {
throw new GraphicsException( "Could not resolve: source and destination are not the same size");
}
if ( source.SampleCount <= 1 ) {
throw new GraphicsException( "Could not resolve: source surface is not multisampled");
}
if ( destination.SampleCount > 1 ) {
throw new GraphicsException( "Could not resolve: destination surface is multisampled");
}
lock (deviceContext) {
deviceContext.ResolveSubresource( source.Resource, source.Subresource, destination.Resource, destination.Subresource, Converter.Convert( source.Format ) );
}
}
/// <summary>
/// Performs FXAA antialiasing.
/// </summary>
/// <param name="dst">Target buffer to render FXAA to</param>
/// <param name="src">Source image with luminance in alpha</param>
public void Fxaa( RenderTargetSurface dst, ShaderResource src )
{
SetDefaultRenderStates();
using( new PixEvent("Fxaa") ) {
if(dst == null) {
rs.RestoreBackbuffer();
} else {
SetViewport( dst );
rs.SetTargets( null, dst );
}
rs.PipelineState = factory[ (int)ShaderFlags.FXAA ];
rs.VertexShaderResources[0] = src;
rs.PixelShaderResources[0] = src;
rs.PixelShaderSamplers[0] = SamplerState.LinearPointClamp;
rs.Draw( 3, 0 );
}
rs.ResetStates();
}
/// <summary>
///
/// </summary>
/// <param name="gameTime"></param>
/// <param name="stereoEye"></param>
void RenderHdrScene ( GameTime gameTime, StereoEye stereoEye, Viewport viewport, RenderTargetSurface targetSurface )
{
// clear g-buffer and hdr-buffers:
ClearBuffers( viewHdrFrame );
// single pass for stereo rendering :
if (stereoEye!=StereoEye.Right) {
// simulate particles BEFORE lighting
// to make particle lit (position is required) and
// get simulated particles for shadows.
ParticleSystem.Simulate( gameTime, Camera );
// render shadows :
rs.LightRenderer.RenderShadows( this, this.LightSet );
}
// render g-buffer :
rs.SceneRenderer.RenderGBuffer( stereoEye, Camera, viewHdrFrame, this );
// render ssao :
rs.SsaoFilter.Render( stereoEye, Camera, viewHdrFrame.DepthBuffer, viewHdrFrame.NormalMapBuffer );
switch (rs.ShowGBuffer) {
case 1 : rs.Filter.Copy( targetSurface, viewHdrFrame.DiffuseBuffer ); return;
case 2 : rs.Filter.Copy( targetSurface, viewHdrFrame.SpecularBuffer ); return;
case 3 : rs.Filter.Copy( targetSurface, viewHdrFrame.NormalMapBuffer ); return;
case 4 : rs.Filter.Copy( targetSurface, viewHdrFrame.ScatteringBuffer ); return;
case 5 : rs.Filter.Copy( targetSurface, rs.SsaoFilter.OcclusionMap ); return;
case 6 : rs.Filter.StretchRect( targetSurface, rs.LightRenderer.CascadedShadowMap.ParticleShadow ); return;
case 7 : rs.Filter.StretchRect( targetSurface, rs.LightRenderer.CascadedShadowMap.ColorBuffer ); return;
}
// render sky :
rs.Sky.Render( Camera, stereoEye, viewHdrFrame, SkySettings );
rs.Sky.RenderFogTable( SkySettings );
// render lights :
rs.LightRenderer.RenderLighting( stereoEye, Camera, viewHdrFrame, this, Radiance );
// render "solid" DOF :
rs.DofFilter.Render( gameTime, viewHdrFrame.LightAccumulator, viewHdrFrame.HdrBuffer, viewHdrFrame.DepthBuffer, this );
// render and simulate particles :
ParticleSystem.Render( gameTime, Camera, stereoEye, viewHdrFrame );
// apply tonemapping and bloom :
rs.HdrFilter.Render( gameTime, TempFXBuffer.Surface, viewHdrFrame.HdrBuffer, this );
// apply FXAA
if (rs.UseFXAA) {
rs.Filter.Fxaa( targetSurface, TempFXBuffer );
} else {
rs.Filter.Copy( targetSurface, TempFXBuffer );
}
// draw debug lines :
Debug.Render( targetSurface, Camera );
}