/// <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>
/// Internal constructor to create RT for backbuffer.
/// </summary>
/// <param name="device"></param>
/// <param name="backbufColor"></param>
internal RenderTarget2D(GraphicsDevice device, D3D.Texture2D backbufColor) : base(device)
{
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];
surfaces[0] = new RenderTargetSurface(new RenderTargetView(device.Device, backbufColor), null, tex2D, 0, Format, Width, Height, SampleCount);
}
/// <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() ) {
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();
}
/// <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>
///
/// </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 );
}
public void StretchRect4x4( RenderTargetSurface dst, RenderTarget2D src, SamplerState filter = null )
{
SetDefaultRenderStates();
using( new PixEvent() ) {
rs.SetTargets( null, dst );
SetViewport(dst);
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();
}
public void RadialBlur( RenderTargetSurface dst, RenderTarget2D src, Vector2 blurPoint, float offset, float size )
{
SetDefaultRenderStates();
var data = new Vector4(blurPoint.X, blurPoint.Y, offset, size);
radialDataCB.SetData(data);
using( new PixEvent() ) {
rs.SetTargets( null, dst );
SetViewport(dst);
rs.PipelineState = factory[ (int)ShaderFlags.RADIAL_BLUR ];
rs.VertexShaderResources[0] = src;
rs.PixelShaderResources[0] = src;
rs.PixelShaderSamplers[0] = SamplerState.LinearPointClamp;
rs.PixelShaderConstants[0] = radialDataCB;
rs.VertexShaderConstants[0] = radialDataCB;
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>
/// 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() ) {
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>
/// 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, bool mips, bool enableRWBuffer)
{
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 = width;
Height = height;
Depth = 1;
MipCount = mips ? ShaderResource.CalculateMipLevels(width, height) : 1;
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 = mips ? MipCount : 1;
texDesc.OptionFlags = mips ? 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="view"></param>
/// <param name="projection"></param>
public void RenderLighting( Matrix view, Matrix projection, RenderTargetSurface hdrTarget, ShaderResource occlusionMap )
{
var device = Game.GraphicsDevice;
device.ResetStates();
LightingFlags flags = LightingFlags.NONE;
if (!Config.SkipDirectLight) {
flags |= LightingFlags.DIRECT;
if (Config.ShowCSMSplits) {
flags |= LightingFlags.SHOW_SPLITS;
}
}
if (!Config.SkipOmniLights) {
flags |= LightingFlags.OMNI;
if (Config.ShowOmniLightTileLoad) {
flags |= LightingFlags.SHOW_OMNI_LOAD;
}
}
if (!Config.SkipSpotLights) {
flags |= LightingFlags.SPOT;
if (Config.ShowSpotLightTileLoad) {
flags |= LightingFlags.SHOW_SPOT_LOAD;
}
}
if (Config.UseUE4LightingModel) {
flags |= LightingFlags.USE_UE4;
}
//
// Setup compute shader parameters and states :
//
try {
device.PipelineState = factory[ (int)flags ];
//lightingShader.SetComputeShader((int)flags);
var cbData = new LightingParams();
var invView = Matrix.Invert( view );
var invVP = Matrix.Invert( view * projection );
var viewPos = invView.TranslationVector;
cbData.DirectLightDirection = new Vector4( DirectLightDirection, 0 );
cbData.DirectLightIntensity = DirectLightIntensity.ToVector4();
cbData.Projection = projection;
cbData.CSMViewProjection0 = csmViewProjections[0];
cbData.CSMViewProjection1 = csmViewProjections[1];
cbData.CSMViewProjection2 = csmViewProjections[2];
cbData.CSMViewProjection3 = csmViewProjections[3];
cbData.View = view;
cbData.ViewPosition = new Vector4(viewPos,1);
cbData.InverseViewProjection = invVP;
cbData.CSMFilterRadius = new Vector4( Config.CSMFilterSize );
cbData.AmbientColor = AmbientLevel;
PrepareOmniLights( view, projection );
PrepareSpotLights( view, projection );
//
// set states :
//
device.SetTargets( null, hdrTarget );
lightingCB.SetData( cbData );
device.ComputeShaderSamplers[0] = SamplerState.PointClamp;
device.ComputeShaderSamplers[1] = SamplerState.LinearClamp;
device.ComputeShaderSamplers[2] = SamplerState.ShadowSampler;
device.ComputeShaderResources[0] = diffuseBuffer;
device.ComputeShaderResources[1] = specularBuffer;
device.ComputeShaderResources[2] = normalMapBuffer;
device.ComputeShaderResources[3] = depthBuffer;
device.ComputeShaderResources[4] = csmColor;
device.ComputeShaderResources[5] = spotColor;
device.ComputeShaderResources[6] = MaskAtlas.Texture;
device.ComputeShaderResources[7] = omniLightBuffer;
device.ComputeShaderResources[8] = spotLightBuffer;
device.ComputeShaderResources[9] = occlusionMap;
device.ComputeShaderConstants[0] = lightingCB;
device.SetCSRWTexture( 0, lightAccumBuffer.Surface );
//
// Dispatch :
//
device.Dispatch( MathUtil.IntDivUp( hdrTarget.Width, BlockSizeX ), MathUtil.IntDivUp( hdrTarget.Height, BlockSizeY ), 1 );
} catch ( UbershaderException e ) {
e.Report();
}
//device.DisplayBounds
//
// Add accumulated light :
//
device.ResetStates();
device.SetTargets( null, hdrTarget );
var sb = Game.GetService<SpriteBatch>();
sb.Begin( SpriteBlend.Additive );
sb.Draw( lightAccumBuffer, 0, 0, lightAccumBuffer.Width, lightAccumBuffer.Height, Color.White );
sb.End();
device.ResetStates();
/*if ( Config.ShowSpotLightExtents ) {
device.ResetStates();
device.SetTargets( null, hdrTarget );
var sb = Game.GetService<SpriteBatch>();
sb.Begin( BlendState.Additive );
foreach ( var spot in spotLightData ) {
sb.Draw( sb.TextureWhite,
spot.ExtentMin.X,
spot.ExtentMin.Y,
spot.ExtentMax.X-spot.ExtentMin.X,
spot.ExtentMax.Y-spot.ExtentMin.Y,
new Color(32,0,32,255) );
}
sb.End();
} */
}
/// <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="?"></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);
//
// 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);
}
}
}
/// <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 );
//
// 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 );
}
}
}
/// <summary>
/// Renders sky with specified technique
/// </summary>
/// <param name="rendCtxt"></param>
/// <param name="techName"></param>
public void Render( GameTime gameTime, DepthStencilSurface depthBuffer, RenderTargetSurface hdrTarget, Matrix view, Matrix projection )
{
var camera = Game.GetService<Camera>();
var scale = Matrix.Scaling( Params.SkySphereSize );
var rotation = Matrix.Identity;
var sunPos = GetSunDirection();
var sunColor = GetSunGlowColor();
rs.ResetStates();
//rs.DepthStencilState = depthBuffer==null? DepthStencilState.None : DepthStencilState.Default ;
rs.SetViewport( 0, 0, hdrTarget.Width, hdrTarget.Height );
rs.SetTargets( depthBuffer, hdrTarget );
var viewMatrix = view;
var projMatrix = projection;
skyConstsData.MatrixWVP = scale * rotation * MathUtil.Transformation( viewMatrix.Right, viewMatrix.Up, viewMatrix.Backward ) * projMatrix;
skyConstsData.SunPosition = sunPos;
skyConstsData.SunColor = sunColor;
skyConstsData.Turbidity = Params.SkyTurbidity;
skyConstsData.Temperature = Temperature.Get( Params.SunTemperature );
skyConstsData.SkyIntensity = Params.SkyIntensity;
skyConstsCB.SetData( skyConstsData );
rs.VertexShaderConstants[0] = skyConstsCB;
rs.PixelShaderConstants[0] = skyConstsCB;
//
// Sky :
//
SkyFlags flags = SkyFlags.PROCEDURAL_SKY;
ApplyColorSpace( ref flags );
rs.PipelineState = factory[(int)flags];
for ( int j=0; j<skySphere.Meshes.Count; j++) {
var mesh = skySphere.Meshes[j];
rs.SetupVertexInput( vertexBuffers[j], indexBuffers[j] );
rs.DrawIndexed( mesh.IndexCount, 0, 0 );
}
//
// Clouds :
//
scale = Matrix.Scaling( Params.SkySphereSize, Params.SkySphereSize, Params.SkySphereSize );
//scale = Matrix.Scaling( Params.SkySphereSize, Params.SkySphereSize * 0.1f, Params.SkySphereSize );
skyConstsData.MatrixWVP = scale * rotation * MathUtil.Transformation( viewMatrix.Right, viewMatrix.Up, viewMatrix.Backward ) * projMatrix;
skyConstsData.SunPosition = sunPos;
skyConstsData.SunColor = GetSunLightColor();
skyConstsData.Turbidity = Params.SkyTurbidity;
skyConstsData.Temperature = Temperature.Get( Params.SunTemperature );
skyConstsData.SkyIntensity = Params.SkyIntensity;
skyConstsData.Ambient = GetAmbientLevel().ToVector3();
skyConstsData.Time = (float)gameTime.Total.TotalSeconds;
skyConstsCB.SetData( skyConstsData );
flags = SkyFlags.CLOUDS;
for (int i=0; i<3; i++) {
if (i==0) flags = SkyFlags.CLOUDS| SkyFlags.A;
if (i==1) flags = SkyFlags.CLOUDS| SkyFlags.B;
if (i==2) flags = SkyFlags.CLOUDS| SkyFlags.C;
ApplyColorSpace( ref flags );
rs.PipelineState = factory[(int)flags];
rs.PixelShaderResources[0] = clouds;
rs.PixelShaderResources[1] = cirrus;
rs.PixelShaderResources[2] = noise;
rs.PixelShaderResources[3] = arrows;
rs.PixelShaderSamplers[0] = SamplerState.AnisotropicWrap;
for ( int j=0; j<cloudSphere.Meshes.Count; j++) {
var mesh = cloudSphere.Meshes[j];
rs.SetupVertexInput( cloudVertexBuffers[j], cloudIndexBuffers[j] );
rs.DrawIndexed( mesh.IndexCount, 0, 0 );
}
}
rs.ResetStates();
}
/// <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 )
{
var device = Game.GraphicsDevice;
var filter = Game.GetService<Filter>();
var ds = Game.GetService<DebugStrings>();
//
// Rough downsampling of source HDR-image :
//
filter.StretchRect( averageLum.Surface, hdrImage );
averageLum.BuildMipmaps();
//
// Make bloom :
//
filter.StretchRect( bloom0.Surface, hdrImage );
bloom0.BuildMipmaps();
filter.GaussBlur( bloom0, bloom1, Config.GaussBlurSigma, 0 );
filter.GaussBlur( bloom0, bloom1, Config.GaussBlurSigma, 1 );
filter.GaussBlur( bloom0, bloom1, Config.GaussBlurSigma, 2 );
filter.GaussBlur( bloom0, bloom1, Config.GaussBlurSigma, 3 );
//
// Setup parameters :
//
var paramsData = new Params();
paramsData.AdaptationRate = 1 - (float)Math.Pow( 0.5f, gameTime.ElapsedSec / Config.AdaptationHalfLife );
paramsData.LuminanceLowBound = Config.LuminanceLowBound;
paramsData.LuminanceHighBound = Config.LuminanceHighBound;
paramsData.KeyValue = Config.KeyValue;
paramsData.BloomAmount = Config.BloomAmount;
paramsCB.SetData( paramsData );
device.PixelShaderConstants[0] = paramsCB;
//
// Measure and adapt :
//
device.SetTargets( null, measuredNew );
device.PixelShaderResources[0] = averageLum;
device.PixelShaderResources[1] = 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] = measuredNew;// averageLum;
device.PixelShaderResources[2] = bloom0;// averageLum;
device.PixelShaderResources[3] = Game.GetService<SpriteBatch>().TextureWhite;
device.PixelShaderSamplers[0] = SamplerState.LinearClamp;
Flags op = Flags.LINEAR;
if (Config.TonemappingOperator==TonemappingOperator.Filmic) { op = Flags.FILMIC; }
if (Config.TonemappingOperator==TonemappingOperator.Linear) { op = Flags.LINEAR; }
if (Config.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 measuredNew, ref measuredOld );
}
/// <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="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>
/// Renders sky with specified technique
/// </summary>
/// <param name="rendCtxt"></param>
/// <param name="techName"></param>
public void Render( GameTime gameTime, DepthStencilSurface depthBuffer, RenderTargetSurface hdrTarget, Matrix view, Matrix projection, RenderTarget2D cloudTarget, RenderTarget2D smallerCloudTarget)
{
var camera = Game.GetService<Camera>();
var scale = Matrix.Scaling( Params.SkySphereSize );
var rotation = Matrix.Identity;
var sunPos = GetSunDirection();
var sunColor = GetSunGlowColor();
rs.ResetStates();
//rs.DepthStencilState = depthBuffer==null? DepthStencilState.None : DepthStencilState.Default ;
rs.SetViewport( 0, 0, hdrTarget.Width, hdrTarget.Height );
rs.SetTargets( depthBuffer, hdrTarget );
var viewMatrix = view;
var projMatrix = projection;
skyConstsData.MatrixWVP = scale * rotation * MathUtil.Transformation( viewMatrix.Right, viewMatrix.Up, viewMatrix.Backward ) * projMatrix;
skyConstsData.SunPosition = sunPos;
skyConstsData.SunColor = sunColor;
skyConstsData.Turbidity = Params.SkyTurbidity;
skyConstsData.Temperature = Temperature.Get( Params.SunTemperature );
skyConstsData.SkyIntensity = Params.SkyIntensity;
skyConstsCB.SetData( skyConstsData );
rs.VertexShaderConstants[0] = skyConstsCB;
rs.PixelShaderConstants[0] = skyConstsCB;
//
// Sky :
//
SkyFlags flags = SkyFlags.PROCEDURAL_SKY;
ApplyColorSpace( ref flags );
rs.PipelineState = factory[(int)flags];
for ( int j=0; j<skySphere.Meshes.Count; j++) {
var mesh = skySphere.Meshes[j];
rs.SetupVertexInput( vertexBuffers[j], indexBuffers[j] );
rs.DrawIndexed( mesh.IndexCount, 0, 0 );
}
//
// Clouds :
//
scale = Matrix.Scaling( Params.SkySphereSize, Params.SkySphereSize, Params.SkySphereSize );
//scale = Matrix.Scaling( Params.SkySphereSize, Params.SkySphereSize * 0.1f, Params.SkySphereSize );
skyConstsData.MatrixWVP = scale * rotation * MathUtil.Transformation( viewMatrix.Right, viewMatrix.Up, viewMatrix.Backward ) * projMatrix;
skyConstsData.SunPosition = sunPos;
skyConstsData.SunColor = GetSunLightColor();
skyConstsData.Turbidity = Params.SkyTurbidity;
skyConstsData.Temperature = Temperature.Get( Params.SunTemperature );
skyConstsData.SkyIntensity = Params.SkyIntensity;
skyConstsData.Ambient = GetAmbientLevel().ToVector3();
skyConstsData.Time = (float)gameTime.Total.TotalSeconds;
skyConstsCB.SetData( skyConstsData );
rs.SetTargets( depthBuffer, hdrTarget);
// rs.SetTargets( null, cloudTarget.Surface );
flags = SkyFlags.CLOUDS;
//int i = 0;
for (int i=0; i<3; i++)
{
if (i==0) flags = SkyFlags.CLOUDS| SkyFlags.A | SkyFlags.RED;
if (i==1) flags = SkyFlags.CLOUDS| SkyFlags.B | SkyFlags.GREEN;
if (i==2) flags = SkyFlags.CLOUDS| SkyFlags.C | SkyFlags.BLUE;
ApplyColorSpace( ref flags );
rs.PipelineState = factory[(int)flags];
rs.PixelShaderResources[0] = clouds;
rs.PixelShaderResources[1] = cirrus;
rs.PixelShaderResources[2] = noise;
rs.PixelShaderResources[3] = arrows;
rs.PixelShaderSamplers[0] = SamplerState.AnisotropicWrap;
for ( int j=0; j<cloudSphere.Meshes.Count; j++) {
var mesh = cloudSphere.Meshes[j];
rs.SetupVertexInput( cloudVertexBuffers[j], cloudIndexBuffers[j] );
rs.DrawIndexed( mesh.IndexCount, 0, 0 );
}
}
#if false
//Blur
var filter = Game.GetService<Filter>();
//filter.RadialBlur(smallerCloudTarget.Surface, cloudTarget, new Vector2(0.5f, 0.5f), 1.0f, -0.2f);
//if(Game.InputDevice.IsKeyDown(Keys.LeftButton))
//{
Vector4 sunProj = Vector4.Transform(new Vector4(sunPos, 0), viewMatrix);
sunProj = Vector4.Transform(sunProj, projMatrix);
sunProj = new Vector4(sunProj.X / sunProj.W, sunProj.Y / sunProj.W, sunProj.Z / sunProj.W, 1);
Vector2 relSunPosition = new Vector2(0.5f, 0.5f);
//if ( Math.Abs(sunProj.X ) < 1 && Math.Abs (sunProj.Y) < 1){
relSunPosition = new Vector2( (sunProj.X + 1) / 2, - (sunProj.Y - 1) / 2);
//}
//Log.Message(relSunPosition + "");
filter.RadialBlur(smallerCloudTarget.Surface, cloudTarget, relSunPosition, 1.0f, -0.2f);
//}
flags = SkyFlags.BLUR_CLOUD;
skyConstsData.MatrixWVP = Matrix.Identity;
skyConstsCB.SetData( skyConstsData );
rs.SetTargets(null, hdrTarget);
ApplyColorSpace( ref flags );
rs.VertexShaderConstants[0] = skyConstsCB;
rs.PixelShaderConstants[0] = skyConstsCB;
rs.PipelineState = factory[(int)flags];
rs.PixelShaderResources[4] = cloudTarget;
rs.PixelShaderSamplers[1] = SamplerState.LinearWrap;
var v0 = new VertexColorTextureTBN { Position = new Vector3( -1.0f, -1.0f, 0 ), TexCoord = new Vector2( 0, 1 ), };
var v1 = new VertexColorTextureTBN { Position = new Vector3( 1.0f, 1.0f, 0 ), TexCoord = new Vector2( 1, 0 ), };
var v2 = new VertexColorTextureTBN { Position = new Vector3( -1.0f, 1.0f, 0 ), TexCoord = new Vector2( 0, 0 ), };
var v3 = new VertexColorTextureTBN { Position = new Vector3( -1.0f, -1.0f, 0 ), TexCoord = new Vector2( 0, 1 ), };
var v4 = new VertexColorTextureTBN { Position = new Vector3( 1.0f, -1.0f, 0 ), TexCoord = new Vector2( 1, 1 ), };
var v5 = new VertexColorTextureTBN { Position = new Vector3( 1.0f, 1.0f, 0 ), TexCoord = new Vector2( 1, 0 ), };//*/
var data = new VertexColorTextureTBN[] { v0, v1, v2, v3, v4, v5 };
//Log.Message(""+v0.TexCoord);
vertexBufferBlur.SetData( data, 0, 6 );
//for ( int j=0; j<cloudSphere.Meshes.Count; j++) {
// var mesh = cloudSphere.Meshes[j];
// rs.SetupVertexInput( cloudVertexBuffers[j], cloudIndexBuffers[j] );
// rs.DrawIndexed( mesh.IndexCount, 0, 0 );
// }
rs.SetupVertexInput( vertexBufferBlur, null );
rs.Draw( 6, 0 );
#endif
rs.ResetStates();
}
