public Scene()
{
m_ViewportCamera = new Camera();
m_ShadowCamera = new Camera(true);
m_SimpleSceneWrapper = new SimpleSceneWrapper();
m_ShadowsInitialized = false;
}
public void PartialGIUpdate(DeviceContext context, SimpleSceneWrapper sceneWrapper, RenderTargetSet resolvedShadow)
{
Vector3 min = m_SceneBoundsMin;
Vector3 max = m_SceneBoundsMax;
Vector3 bounds = m_SceneBoundsMax - m_SceneBoundsMin;
for (int i = 0; i < 128; ++i)
{
Vector3 capturePosition =
new Vector3((float)m_CurrentCellX / ((float)m_VolumeSizeX) * bounds.X + min.X,
(float)m_CurrentCellY / ((float)m_VolumeSizeY) * bounds.Y + min.Y,
(float)m_CurrentCellZ / ((float)m_VolumeSizeZ) * bounds.Z + min.Z);
if (++m_CurrentCellX >= m_VolumeSizeX)
{
m_CurrentCellX = 0;
if (++m_CurrentCellZ >= m_VolumeSizeZ)
{
m_CurrentCellZ = 0;
if (++m_CurrentCellY >= m_VolumeSizeY)
{
Texture3D.SaveTextureToFile(context, m_GIVolumeR.m_TextureObject3D, ImageFileFormat.Dds, "textures\\givolumer.dds");
Texture3D.SaveTextureToFile(context, m_GIVolumeG.m_TextureObject3D, ImageFileFormat.Dds, "textures\\givolumeg.dds");
Texture3D.SaveTextureToFile(context, m_GIVolumeB.m_TextureObject3D, ImageFileFormat.Dds, "textures\\givolumeb.dds");
m_CurrentCellY = 0;
}
}
}
resolvedShadow.BindSRV(context, 0);
ExecutePass(context, sceneWrapper, capturePosition);
}
}
public Scene()
{
m_ViewportCamera = new Camera();
m_ShadowCamera = new Camera(true);
m_SimpleSceneWrapper = new SimpleSceneWrapper();
m_ShadowsInitialized = false;
}
public void ExecutePass(DeviceContext context, SimpleSceneWrapper sceneWrapper, Vector3 position)
{
//using (new GpuProfilePoint(context, "CubemapRender"))
{
context.PixelShader.SetShaderResource(m_GIVolumeR.m_ShaderResourceView, 5);
context.PixelShader.SetShaderResource(m_GIVolumeG.m_ShaderResourceView, 6);
context.PixelShader.SetShaderResource(m_GIVolumeB.m_ShaderResourceView, 7);
CubemapRenderHelper.RenderCubemap(context, m_CubeObject, m_CubeObjectDepth, sceneWrapper, position, 50.0f, false, new Color4(1.0f, 0.75f, 0.75f, 1.0f));
}
//using (new GpuProfilePoint(context, "InitSH"))
{
context.PixelShader.SetShaderResource(m_CubeObject.m_ShaderResourceView, 0);
m_InitialSHSet.BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "GIInitSH");
RenderTargetSet.BindNull(context);
DownsamplePass(context, m_InitialSHSet, m_Downsampled16x16SHSetR, m_Downsampled16x16SHSetG, m_Downsampled16x16SHSetB);
m_Downsampled16x16SHSetR.BindSRV(context, 0);
m_Downsampled4x4SHSetR.BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "Downsample4x4");
RenderTargetSet.BindNull(context);
m_Downsampled16x16SHSetG.BindSRV(context, 0);
m_Downsampled4x4SHSetG.BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "Downsample4x4");
RenderTargetSet.BindNull(context);
m_Downsampled16x16SHSetB.BindSRV(context, 0);
m_Downsampled4x4SHSetB.BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "Downsample4x4");
RenderTargetSet.BindNull(context);
Vector3 sceneMin, sceneMax;
sceneWrapper.GetSceneBounds(out sceneMin, out sceneMax);
Vector3 positionInVolume = position - sceneMin;
positionInVolume.X = positionInVolume.X / (sceneMax.X - sceneMin.X);
positionInVolume.Y = positionInVolume.Y / (sceneMax.Y - sceneMin.Y);
positionInVolume.Z = positionInVolume.Z / (sceneMax.Z - sceneMin.Z);
dynamic scb = m_GIConstantBuffer;
scb.g_InjectPosition = new Vector4(new Vector3(positionInVolume.X * (float)(m_VolumeSizeX - 1), positionInVolume.Y * (float)(m_VolumeSizeY - 1), positionInVolume.Z * (float)(m_VolumeSizeZ - 1)), 0);
m_GIConstantBuffer.CompileAndBind(context);
m_Downsampled4x4SHSetR.BindSRV(context, 2);
m_Downsampled4x4SHSetG.BindSRV(context, 3);
m_Downsampled4x4SHSetB.BindSRV(context, 4);
context.ComputeShader.SetUnorderedAccessView(m_GIVolumeR.m_UnorderedAccessView, 0);
context.ComputeShader.SetUnorderedAccessView(m_GIVolumeG.m_UnorderedAccessView, 1);
context.ComputeShader.SetUnorderedAccessView(m_GIVolumeB.m_UnorderedAccessView, 2);
ShaderManager.ExecuteComputeForSize(context, 1, 1, 1, "InjectSHIntoVolume");
ContextHelper.ClearCSContext(context);
}
}
public static void RenderCubemap(DeviceContext context, TextureObject targetTexture, TextureObject targetDepth, SimpleSceneWrapper sceneWrapper, Vector3 position, float range, bool depthOnly = false, Color4 clearColor = new Color4())
{
//using (new GpuProfilePoint(context, "CubemapRendering"))
{
// some hardcoded near plane
Matrix projectionMatrix = Matrix.PerspectiveFovLH((float)Math.PI / 2.0f, 1.0f, 0.05f, range);
ContextHelper.SetDepthStencilState(context, ContextHelper.DepthConfigurationType.DepthCompare);
// set the shaders
context.VertexShader.Set(ShaderManager.GetVertexShader("VertexScene"));
context.PixelShader.Set(depthOnly ? null : ShaderManager.GetPixelShader("PixelSceneSimple"));
dynamic cvpb = m_CurrentViewportBuffer;
for (int i = 0; i < 6; ++i)
{
Vector3 lookAt = new Vector3();
Vector3 upVec = new Vector3();
switch (i)
{
case 0:
lookAt = new Vector3(1.0f, 0.0f, 0.0f);
upVec = new Vector3(0.0f, 1.0f, 0.0f);
break;
case 1:
lookAt = new Vector3(-1.0f, 0.0f, 0.0f);
upVec = new Vector3(0.0f, 1.0f, 0.0f);
break;
case 2:
lookAt = new Vector3(0.0f, 1.0f, 0.0f);
upVec = new Vector3(0.0f, 0.0f, -1.0f);
break;
case 3:
lookAt = new Vector3(0.0f, -1.0f, 0.0f);
upVec = new Vector3(0.0f, 0.0f, 1.0f);
break;
case 4:
lookAt = new Vector3(0.0f, 0.0f, 1.0f);
upVec = new Vector3(0.0f, 1.0f, 0.0f);
break;
case 5:
lookAt = new Vector3(0.0f, 0.0f, -1.0f);
upVec = new Vector3(0.0f, 1.0f, 0.0f);
break;
}
Matrix viewMatrix = Matrix.LookAtLH(position, position + lookAt, upVec);
cvpb.g_ProjMatrix = projectionMatrix;
cvpb.g_ViewMatrix = viewMatrix;
cvpb.g_ViewProjMatrix = viewMatrix * projectionMatrix;
{
context.ClearRenderTargetView(targetTexture.m_ArrayRenderTargetViews[i], clearColor);
context.ClearDepthStencilView(targetDepth.m_ArrayDepthStencilViews[i], DepthStencilClearFlags.Depth, 1.0f, 0);
RenderTargetSet.BindTextureAsRenderTarget(context, targetTexture.m_ArrayRenderTargetViews[i], targetDepth.m_ArrayDepthStencilViews[i], targetTexture.m_Width, targetTexture.m_Height);
m_CurrentViewportBuffer.CompileAndBind(context);
// render triangles
sceneWrapper.Render(context);
RenderTargetSet.BindNull(context);
}
}
ContextHelper.SetDepthStencilState(context, ContextHelper.DepthConfigurationType.NoDepth);
}
}
public RenderTargetSet RenderShadows(DeviceContext context, SimpleSceneWrapper simpleSceneWrapper)
{
RenderTargetSet.RenderTargetDescriptor evsmDescriptor =
new RenderTargetSet.RenderTargetDescriptor()
{
m_Format = Format.R32G32B32A32_Float,
m_HasDepth = false,
m_NumSurfaces = 1,
m_Height = 1024,
m_Width = 1024
};
RenderTargetSet EVSMTexture = m_EVSMTexture == null ? RenderTargetManager.RequestRenderTargetFromPool(evsmDescriptor) : m_EVSMTexture;
{
RenderTargetSet.RenderTargetDescriptor shadowMapDescriptor =
new RenderTargetSet.RenderTargetDescriptor()
{
m_Format = Format.Unknown,
m_HasDepth = true,
m_NumSurfaces = 0,
m_Height = 2048,
m_Width = 2048
};
RenderTargetSet shadowBuffer = RenderTargetManager.RequestRenderTargetFromPool(shadowMapDescriptor);
using (new GpuProfilePoint(context, "Shadowmap"))
{
// set the shaders
context.VertexShader.Set(ShaderManager.GetVertexShader("VertexShadow"));
context.PixelShader.Set(null);
shadowBuffer.Clear(context, new Color4(), true);
shadowBuffer.BindAsRenderTarget(context, true);
ContextHelper.SetDepthStencilState(context, ContextHelper.DepthConfigurationType.DepthWriteCompare);
// render triangles
simpleSceneWrapper.RenderNoMaterials(context);
RenderTargetSet.BindNull(context);
}
using (new GpuProfilePoint(context, "EVSM Resolve"))
{
shadowBuffer.BindDepthAsSRV(context, 0);
EVSMTexture.BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "ReconstructEVSM");
RenderTargetSet.BindNull(context);
ContextHelper.ClearSRVs(context);
}
RenderTargetSet EVSMTextureTemp = RenderTargetManager.RequestRenderTargetFromPool(evsmDescriptor);
using (new GpuProfilePoint(context, "EVSM Blur"))
{
EVSMTexture.BindSRV(context, 1);
EVSMTextureTemp.BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "BlurEVSMHorizontal");
RenderTargetSet.BindNull(context);
ContextHelper.ClearSRVs(context);
EVSMTextureTemp.BindSRV(context, 1);
EVSMTexture.BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "BlurEVSMVertical");
RenderTargetSet.BindNull(context);
ContextHelper.ClearSRVs(context);
}
RenderTargetManager.ReleaseRenderTargetToPool(shadowBuffer);
RenderTargetManager.ReleaseRenderTargetToPool(EVSMTextureTemp);
}
m_EVSMTexture = EVSMTexture;
return EVSMTexture;
}
public void PartialGIUpdate(DeviceContext context, SimpleSceneWrapper sceneWrapper, RenderTargetSet resolvedShadow)
{
Vector3 min = m_SceneBoundsMin;
Vector3 max = m_SceneBoundsMax;
Vector3 bounds = m_SceneBoundsMax - m_SceneBoundsMin;
for (int i = 0; i < 128; ++i)
{
Vector3 capturePosition =
new Vector3((float)m_CurrentCellX / ((float)m_VolumeSizeX) * bounds.X + min.X,
(float)m_CurrentCellY / ((float)m_VolumeSizeY) * bounds.Y + min.Y,
(float)m_CurrentCellZ / ((float)m_VolumeSizeZ) * bounds.Z + min.Z);
if (++m_CurrentCellX >= m_VolumeSizeX)
{
m_CurrentCellX = 0;
if (++m_CurrentCellZ >= m_VolumeSizeZ)
{
m_CurrentCellZ = 0;
if (++m_CurrentCellY >= m_VolumeSizeY)
{
Texture3D.SaveTextureToFile(context, m_GIVolumeR.m_TextureObject3D, ImageFileFormat.Dds, "textures\\givolumer.dds");
Texture3D.SaveTextureToFile(context, m_GIVolumeG.m_TextureObject3D, ImageFileFormat.Dds, "textures\\givolumeg.dds");
Texture3D.SaveTextureToFile(context, m_GIVolumeB.m_TextureObject3D, ImageFileFormat.Dds, "textures\\givolumeb.dds");
m_CurrentCellY = 0;
}
}
}
resolvedShadow.BindSRV(context, 0);
ExecutePass(context, sceneWrapper, capturePosition);
}
}
public void ExecutePass(DeviceContext context, SimpleSceneWrapper sceneWrapper, Vector3 position)
{
//using (new GpuProfilePoint(context, "CubemapRender"))
{
context.PixelShader.SetShaderResource(m_GIVolumeR.m_ShaderResourceView, 5);
context.PixelShader.SetShaderResource(m_GIVolumeG.m_ShaderResourceView, 6);
context.PixelShader.SetShaderResource(m_GIVolumeB.m_ShaderResourceView, 7);
CubemapRenderHelper.RenderCubemap(context, m_CubeObject, m_CubeObjectDepth, sceneWrapper, position, 50.0f, false, new Color4(1.0f, 0.75f, 0.75f, 1.0f));
}
//using (new GpuProfilePoint(context, "InitSH"))
{
context.PixelShader.SetShaderResource(m_CubeObject.m_ShaderResourceView, 0);
m_InitialSHSet.BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "GIInitSH");
RenderTargetSet.BindNull(context);
DownsamplePass(context, m_InitialSHSet, m_Downsampled16x16SHSetR, m_Downsampled16x16SHSetG, m_Downsampled16x16SHSetB);
m_Downsampled16x16SHSetR.BindSRV(context, 0);
m_Downsampled4x4SHSetR.BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "Downsample4x4");
RenderTargetSet.BindNull(context);
m_Downsampled16x16SHSetG.BindSRV(context, 0);
m_Downsampled4x4SHSetG.BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "Downsample4x4");
RenderTargetSet.BindNull(context);
m_Downsampled16x16SHSetB.BindSRV(context, 0);
m_Downsampled4x4SHSetB.BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "Downsample4x4");
RenderTargetSet.BindNull(context);
Vector3 sceneMin, sceneMax;
sceneWrapper.GetSceneBounds(out sceneMin, out sceneMax);
Vector3 positionInVolume = position - sceneMin;
positionInVolume.X = positionInVolume.X / (sceneMax.X - sceneMin.X);
positionInVolume.Y = positionInVolume.Y / (sceneMax.Y - sceneMin.Y);
positionInVolume.Z = positionInVolume.Z / (sceneMax.Z - sceneMin.Z);
dynamic scb = m_GIConstantBuffer;
scb.g_InjectPosition = new Vector4(new Vector3(positionInVolume.X * (float)(m_VolumeSizeX - 1), positionInVolume.Y * (float)(m_VolumeSizeY - 1), positionInVolume.Z * (float)(m_VolumeSizeZ - 1)), 0);
m_GIConstantBuffer.CompileAndBind(context);
m_Downsampled4x4SHSetR.BindSRV(context, 2);
m_Downsampled4x4SHSetG.BindSRV(context, 3);
m_Downsampled4x4SHSetB.BindSRV(context, 4);
context.ComputeShader.SetUnorderedAccessView(m_GIVolumeR.m_UnorderedAccessView, 0);
context.ComputeShader.SetUnorderedAccessView(m_GIVolumeG.m_UnorderedAccessView, 1);
context.ComputeShader.SetUnorderedAccessView(m_GIVolumeB.m_UnorderedAccessView, 2);
ShaderManager.ExecuteComputeForSize(context, 1, 1, 1, "InjectSHIntoVolume");
ContextHelper.ClearCSContext(context);
}
}
public RenderTargetSet RenderShadows(DeviceContext context, SimpleSceneWrapper simpleSceneWrapper)
{
RenderTargetSet.RenderTargetDescriptor evsmDescriptor =
new RenderTargetSet.RenderTargetDescriptor()
{
m_Format = Format.R32G32B32A32_Float,
m_HasDepth = false,
m_NumSurfaces = 1,
m_Height = 1024,
m_Width = 1024
};
RenderTargetSet EVSMTexture = m_EVSMTexture == null?RenderTargetManager.RequestRenderTargetFromPool(evsmDescriptor) : m_EVSMTexture;
{
RenderTargetSet.RenderTargetDescriptor shadowMapDescriptor =
new RenderTargetSet.RenderTargetDescriptor()
{
m_Format = Format.Unknown,
m_HasDepth = true,
m_NumSurfaces = 0,
m_Height = 2048,
m_Width = 2048
};
RenderTargetSet shadowBuffer = RenderTargetManager.RequestRenderTargetFromPool(shadowMapDescriptor);
using (new GpuProfilePoint(context, "Shadowmap"))
{
// set the shaders
context.VertexShader.Set(ShaderManager.GetVertexShader("VertexShadow"));
context.PixelShader.Set(null);
shadowBuffer.Clear(context, new Color4(), true);
shadowBuffer.BindAsRenderTarget(context, true);
ContextHelper.SetDepthStencilState(context, ContextHelper.DepthConfigurationType.DepthWriteCompare);
// render triangles
simpleSceneWrapper.RenderNoMaterials(context);
RenderTargetSet.BindNull(context);
}
using (new GpuProfilePoint(context, "EVSM Resolve"))
{
shadowBuffer.BindDepthAsSRV(context, 0);
EVSMTexture.BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "ReconstructEVSM");
RenderTargetSet.BindNull(context);
ContextHelper.ClearSRVs(context);
}
RenderTargetSet EVSMTextureTemp = RenderTargetManager.RequestRenderTargetFromPool(evsmDescriptor);
using (new GpuProfilePoint(context, "EVSM Blur"))
{
EVSMTexture.BindSRV(context, 1);
EVSMTextureTemp.BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "BlurEVSMHorizontal");
RenderTargetSet.BindNull(context);
ContextHelper.ClearSRVs(context);
EVSMTextureTemp.BindSRV(context, 1);
EVSMTexture.BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "BlurEVSMVertical");
RenderTargetSet.BindNull(context);
ContextHelper.ClearSRVs(context);
}
RenderTargetManager.ReleaseRenderTargetToPool(shadowBuffer);
RenderTargetManager.ReleaseRenderTargetToPool(EVSMTextureTemp);
}
m_EVSMTexture = EVSMTexture;
return(EVSMTexture);
}
public static void RenderCubemap(DeviceContext context, TextureObject targetTexture, TextureObject targetDepth, SimpleSceneWrapper sceneWrapper, Vector3 position, float range, bool depthOnly = false, Color4 clearColor = new Color4())
{
//using (new GpuProfilePoint(context, "CubemapRendering"))
{
// some hardcoded near plane
Matrix projectionMatrix = Matrix.PerspectiveFovLH((float)Math.PI / 2.0f, 1.0f, 0.05f, range);
ContextHelper.SetDepthStencilState(context, ContextHelper.DepthConfigurationType.DepthCompare);
// set the shaders
context.VertexShader.Set(ShaderManager.GetVertexShader("VertexScene"));
context.PixelShader.Set(depthOnly ? null : ShaderManager.GetPixelShader("PixelSceneSimple"));
dynamic cvpb = m_CurrentViewportBuffer;
for (int i = 0; i < 6; ++i)
{
Vector3 lookAt = new Vector3();
Vector3 upVec = new Vector3();
switch (i)
{
case 0:
lookAt = new Vector3(1.0f, 0.0f, 0.0f);
upVec = new Vector3(0.0f, 1.0f, 0.0f);
break;
case 1:
lookAt = new Vector3(-1.0f, 0.0f, 0.0f);
upVec = new Vector3(0.0f, 1.0f, 0.0f);
break;
case 2:
lookAt = new Vector3(0.0f, 1.0f, 0.0f);
upVec = new Vector3(0.0f, 0.0f, -1.0f);
break;
case 3:
lookAt = new Vector3(0.0f, -1.0f, 0.0f);
upVec = new Vector3(0.0f, 0.0f, 1.0f);
break;
case 4:
lookAt = new Vector3(0.0f, 0.0f, 1.0f);
upVec = new Vector3(0.0f, 1.0f, 0.0f);
break;
case 5:
lookAt = new Vector3(0.0f, 0.0f, -1.0f);
upVec = new Vector3(0.0f, 1.0f, 0.0f);
break;
}
Matrix viewMatrix = Matrix.LookAtLH(position, position + lookAt, upVec);
cvpb.g_ProjMatrix = projectionMatrix;
cvpb.g_ViewMatrix = viewMatrix;
cvpb.g_ViewProjMatrix = viewMatrix * projectionMatrix;
{
context.ClearRenderTargetView(targetTexture.m_ArrayRenderTargetViews[i], clearColor);
context.ClearDepthStencilView(targetDepth.m_ArrayDepthStencilViews[i], DepthStencilClearFlags.Depth, 1.0f, 0);
RenderTargetSet.BindTextureAsRenderTarget(context, targetTexture.m_ArrayRenderTargetViews[i], targetDepth.m_ArrayDepthStencilViews[i], targetTexture.m_Width, targetTexture.m_Height);
m_CurrentViewportBuffer.CompileAndBind(context);
// render triangles
sceneWrapper.Render(context);
RenderTargetSet.BindNull(context);
}
}
ContextHelper.SetDepthStencilState(context, ContextHelper.DepthConfigurationType.NoDepth);
}
}