public void InitSSSBuffers(GBufferManager gbufferManager, RenderPipelineSettings settings)
{
// Reset the msaa flag
m_MSAASupport = settings.supportMSAA;
if (settings.supportedLitShaderMode == RenderPipelineSettings.SupportedLitShaderMode.ForwardOnly) //forward only
{
// In case of full forward we must allocate the render target for forward SSS (or reuse one already existing)
// TODO: Provide a way to reuse a render target
m_ColorMRTs[0] = RTHandles.Alloc(Vector2.one, filterMode: FilterMode.Point, colorFormat: RenderTextureFormat.ARGB32, sRGB: true, name: "SSSBuffer");
m_ReuseGBufferMemory [0] = false;
}
// We need to allocate the texture if we are in forward or both in case one of the cameras is in enable forward only mode
if (m_MSAASupport)
{
m_ColorMSAAMRTs[0] = RTHandles.Alloc(Vector2.one, filterMode: FilterMode.Point, colorFormat: RenderTextureFormat.ARGB32, enableMSAA: true, bindTextureMS: true, sRGB: true, name: "SSSBufferMSAA");
}
if ((settings.supportedLitShaderMode & RenderPipelineSettings.SupportedLitShaderMode.DeferredOnly) != 0) //deferred or both
{
// In case of deferred, we must be in sync with SubsurfaceScattering.hlsl and lit.hlsl files and setup the correct buffers
m_ColorMRTs[0] = gbufferManager.GetSubsurfaceScatteringBuffer(0); // Note: This buffer must be sRGB (which is the case with Lit.shader)
m_ReuseGBufferMemory [0] = true;
}
if (NeedTemporarySubsurfaceBuffer() || settings.supportMSAA)
{
// Caution: must be same format as m_CameraSssDiffuseLightingBuffer
m_CameraFilteringBuffer = RTHandles.Alloc(Vector2.one, filterMode: FilterMode.Point, colorFormat: RenderTextureFormat.RGB111110Float, sRGB: false, enableRandomWrite: true, name: "SSSCameraFiltering"); // Enable UAV
}
// We use 8x8 tiles in order to match the native GCN HTile as closely as possible.
m_HTile = RTHandles.Alloc(size => new Vector2Int((size.x + 7) / 8, (size.y + 7) / 8), filterMode: FilterMode.Point, colorFormat: RenderTextureFormat.R8, sRGB: false, enableRandomWrite: true, name: "SSSHtile"); // Enable UAV
}
public void InitSSSBuffers(GBufferManager gbufferManager, RenderPipelineSettings settings)
{
// TODO: For MSAA, at least initially, we can only support Jimenez, because we can't create MSAA + UAV render targets.
if (settings.supportOnlyForward)
{
// In case of full forward we must allocate the render target for forward SSS (or reuse one already existing)
// TODO: Provide a way to reuse a render target
m_ColorMRTs[0] = RTHandles.Alloc(Vector2.one, filterMode: FilterMode.Point, colorFormat: RenderTextureFormat.ARGB32, sRGB: true, name: "SSSBuffer");
m_ExternalBuffer[0] = false;
}
else
{
// In case of deferred, we must be in sync with SubsurfaceScattering.hlsl and lit.hlsl files and setup the correct buffers
m_ColorMRTs[0] = gbufferManager.GetSubsurfaceScatteringBuffer(0); // Note: This buffer must be sRGB (which is the case with Lit.shader)
m_ExternalBuffer[0] = true;
}
if (NeedTemporarySubsurfaceBuffer())
{
// Caution: must be same format as m_CameraSssDiffuseLightingBuffer
m_CameraFilteringBuffer = RTHandles.Alloc(Vector2.one, filterMode: FilterMode.Point, colorFormat: RenderTextureFormat.RGB111110Float, sRGB: false, enableRandomWrite: true, enableMSAA: true, name: "SSSCameraFiltering"); // Enable UAV
}
// We use 8x8 tiles in order to match the native GCN HTile as closely as possible.
m_HTile = RTHandles.Alloc(size => new Vector2Int((size.x + 7) / 8, (size.y + 7) / 8), filterMode: FilterMode.Point, colorFormat: RenderTextureFormat.R8, sRGB: false, enableRandomWrite: true, name: "SSSHtile"); // Enable UAV
}
public void InitSSSBuffers(GBufferManager gbufferManager, RenderPipelineSettings settings)
{
// Reset the msaa flag
m_MSAASupport = settings.supportMSAA;
if (settings.supportedLitShaderMode == RenderPipelineSettings.SupportedLitShaderMode.ForwardOnly) //forward only
{
// In case of full forward we must allocate the render target for forward SSS (or reuse one already existing)
// TODO: Provide a way to reuse a render target
m_ColorMRTs[0] = RTHandles.Alloc(Vector2.one, filterMode: FilterMode.Point, colorFormat: UnityEngine.Experimental.Rendering.HDPipeline.HDRenderPipeline.OverrideRTGraphicsFormat(GraphicsFormat.R8G8B8A8_SRGB), xrInstancing: true, useDynamicScale: true, name: "SSSBuffer");
m_ReuseGBufferMemory [0] = false;
}
// We need to allocate the texture if we are in forward or both in case one of the cameras is in enable forward only mode
if (m_MSAASupport)
{
m_ColorMSAAMRTs[0] = RTHandles.Alloc(Vector2.one, filterMode: FilterMode.Point, colorFormat: UnityEngine.Experimental.Rendering.HDPipeline.HDRenderPipeline.OverrideRTGraphicsFormat(GraphicsFormat.R8G8B8A8_SRGB), enableMSAA: true, bindTextureMS: true, xrInstancing: true, useDynamicScale: true, name: "SSSBufferMSAA");
}
if ((settings.supportedLitShaderMode & RenderPipelineSettings.SupportedLitShaderMode.DeferredOnly) != 0) //deferred or both
{
// In case of deferred, we must be in sync with SubsurfaceScattering.hlsl and lit.hlsl files and setup the correct buffers
m_ColorMRTs[0] = gbufferManager.GetSubsurfaceScatteringBuffer(0); // Note: This buffer must be sRGB (which is the case with Lit.shader)
m_ReuseGBufferMemory [0] = true;
}
if (NeedTemporarySubsurfaceBuffer() || settings.supportMSAA)
{
// Caution: must be same format as m_CameraSssDiffuseLightingBuffer
m_CameraFilteringBuffer = RTHandles.Alloc(Vector2.one, filterMode: FilterMode.Point, colorFormat: UnityEngine.Experimental.Rendering.HDPipeline.HDRenderPipeline.OverrideRTGraphicsFormat(GraphicsFormat.B10G11R11_UFloatPack32), enableRandomWrite: true, xrInstancing: true, useDynamicScale: true, name: "SSSCameraFiltering"); // Enable UAV
}
// We use 8x8 tiles in order to match the native GCN HTile as closely as possible.
m_HTile = RTHandles.Alloc(size => new Vector2Int((size.x + 7) / 8, (size.y + 7) / 8), filterMode: FilterMode.Point, colorFormat: UnityEngine.Experimental.Rendering.HDPipeline.HDRenderPipeline.OverrideRTGraphicsFormat(GraphicsFormat.R8_UNorm), enableRandomWrite: true, xrInstancing: true, useDynamicScale: true, name: "SSSHtile"); // Enable UAV
// fill the list with the max number of diffusion profile so we dont have
// the error: exceeds previous array size (5 vs 3). Cap to previous size.
thicknessRemaps = new Vector4[DiffusionProfileConstants.DIFFUSION_PROFILE_COUNT];
shapeParams = new Vector4[DiffusionProfileConstants.DIFFUSION_PROFILE_COUNT];
transmissionTintsAndFresnel0 = new Vector4[DiffusionProfileConstants.DIFFUSION_PROFILE_COUNT];
disabledTransmissionTintsAndFresnel0 = new Vector4[DiffusionProfileConstants.DIFFUSION_PROFILE_COUNT];
worldScales = new Vector4[DiffusionProfileConstants.DIFFUSION_PROFILE_COUNT];
filterKernels = new Vector4[DiffusionProfileConstants.DIFFUSION_PROFILE_COUNT * DiffusionProfileConstants.SSS_N_SAMPLES_NEAR_FIELD];
diffusionProfileHashes = new float[DiffusionProfileConstants.DIFFUSION_PROFILE_COUNT];
diffusionProfileUpdate = new int[DiffusionProfileConstants.DIFFUSION_PROFILE_COUNT];
setDiffusionProfiles = new DiffusionProfileSettings[DiffusionProfileConstants.DIFFUSION_PROFILE_COUNT];
}