public void RenderLightVolumes(CommandBuffer cmd, HDCamera hdCamera, CullingResults cullResults, LightingDebugSettings lightDebugSettings, RTHandleSystem.RTHandle finalRT)
{
using (new ProfilingSample(cmd, "Display Light Volumes"))
{
// Clear the buffers
HDUtils.SetRenderTarget(cmd, m_ColorAccumulationBuffer, ClearFlag.Color, Color.black);
HDUtils.SetRenderTarget(cmd, m_LightCountBuffer, ClearFlag.Color, Color.black);
HDUtils.SetRenderTarget(cmd, m_DebugLightVolumesTexture, ClearFlag.Color, Color.black);
// Set the render target array
HDUtils.SetRenderTarget(cmd, m_RTIDs, m_DepthBuffer);
// First of all let's do the regions for the light sources (we only support Punctual and Area)
int numLights = cullResults.visibleLights.Length;
for (int lightIdx = 0; lightIdx < numLights; ++lightIdx)
{
// Let's build the light's bounding sphere matrix
Light currentLegacyLight = cullResults.visibleLights[lightIdx].light;
if (currentLegacyLight == null)
{
continue;
}
HDAdditionalLightData currentHDRLight = currentLegacyLight.GetComponent <HDAdditionalLightData>();
if (currentHDRLight == null)
{
continue;
}
Matrix4x4 positionMat = Matrix4x4.Translate(currentLegacyLight.transform.position);
if (currentLegacyLight.type == LightType.Point || currentLegacyLight.type == LightType.Area)
{
m_MaterialProperty.SetVector(_RangeShaderID, new Vector3(currentLegacyLight.range, currentLegacyLight.range, currentLegacyLight.range));
switch (currentHDRLight.lightTypeExtent)
{
case LightTypeExtent.Punctual:
{
m_MaterialProperty.SetColor(_ColorShaderID, new Color(0.0f, 0.5f, 0.0f, 1.0f));
m_MaterialProperty.SetVector(_OffsetShaderID, new Vector3(0, 0, 0));
cmd.DrawMesh(DebugShapes.instance.RequestSphereMesh(), positionMat, m_DebugLightVolumeMaterial, 0, 0, m_MaterialProperty);
}
break;
case LightTypeExtent.Rectangle:
{
m_MaterialProperty.SetColor(_ColorShaderID, new Color(0.0f, 1.0f, 1.0f, 1.0f));
m_MaterialProperty.SetVector(_OffsetShaderID, new Vector3(0, 0, 0));
cmd.DrawMesh(DebugShapes.instance.RequestSphereMesh(), positionMat, m_DebugLightVolumeMaterial, 0, 0, m_MaterialProperty);
}
break;
case LightTypeExtent.Tube:
{
m_MaterialProperty.SetColor(_ColorShaderID, new Color(1.0f, 0.0f, 0.5f, 1.0f));
m_MaterialProperty.SetVector(_OffsetShaderID, new Vector3(0, 0, 0));
cmd.DrawMesh(DebugShapes.instance.RequestSphereMesh(), positionMat, m_DebugLightVolumeMaterial, 0, 0, m_MaterialProperty);
}
break;
default:
break;
}
}
else if (currentLegacyLight.type == LightType.Spot)
{
if (currentHDRLight.spotLightShape == SpotLightShape.Cone)
{
float bottomRadius = Mathf.Tan(currentLegacyLight.spotAngle * Mathf.PI / 360.0f) * currentLegacyLight.range;
m_MaterialProperty.SetColor(_ColorShaderID, new Color(1.0f, 0.5f, 0.0f, 1.0f));
m_MaterialProperty.SetVector(_RangeShaderID, new Vector3(bottomRadius, bottomRadius, currentLegacyLight.range));
m_MaterialProperty.SetVector(_OffsetShaderID, new Vector3(0, 0, 0));
cmd.DrawMesh(DebugShapes.instance.RequestConeMesh(), currentLegacyLight.gameObject.transform.localToWorldMatrix, m_DebugLightVolumeMaterial, 0, 0, m_MaterialProperty);
}
else if (currentHDRLight.spotLightShape == SpotLightShape.Box)
{
m_MaterialProperty.SetColor(_ColorShaderID, new Color(1.0f, 0.5f, 0.0f, 1.0f));
m_MaterialProperty.SetVector(_RangeShaderID, new Vector3(currentHDRLight.shapeWidth, currentHDRLight.shapeHeight, currentLegacyLight.range));
m_MaterialProperty.SetVector(_OffsetShaderID, new Vector3(0, 0, currentLegacyLight.range / 2.0f));
cmd.DrawMesh(DebugShapes.instance.RequestBoxMesh(), currentLegacyLight.gameObject.transform.localToWorldMatrix, m_DebugLightVolumeMaterial, 0, 0, m_MaterialProperty);
}
else if (currentHDRLight.spotLightShape == SpotLightShape.Pyramid)
{
float bottomWidth = Mathf.Tan(currentLegacyLight.spotAngle * Mathf.PI / 360.0f) * currentLegacyLight.range;
m_MaterialProperty.SetColor(_ColorShaderID, new Color(1.0f, 0.5f, 0.0f, 1.0f));
m_MaterialProperty.SetVector(_RangeShaderID, new Vector3(currentHDRLight.aspectRatio * bottomWidth * 2, bottomWidth * 2, currentLegacyLight.range));
m_MaterialProperty.SetVector(_OffsetShaderID, new Vector3(0, 0, 0));
cmd.DrawMesh(DebugShapes.instance.RequestPyramidMesh(), currentLegacyLight.gameObject.transform.localToWorldMatrix, m_DebugLightVolumeMaterial, 0, 0, m_MaterialProperty);
}
}
}
// Now let's do the same but for reflection probes
int numProbes = cullResults.visibleReflectionProbes.Length;
for (int probeIdx = 0; probeIdx < numProbes; ++probeIdx)
{
// Let's build the light's bounding sphere matrix
ReflectionProbe currentLegacyProbe = cullResults.visibleReflectionProbes[probeIdx].reflectionProbe;
HDAdditionalReflectionData currentHDProbe = currentLegacyProbe.GetComponent <HDAdditionalReflectionData>();
if (!currentHDProbe)
{
continue;
}
MaterialPropertyBlock m_MaterialProperty = new MaterialPropertyBlock();
Mesh targetMesh = null;
if (currentHDProbe.influenceVolume.shape == InfluenceShape.Sphere)
{
m_MaterialProperty.SetVector(_RangeShaderID, new Vector3(currentHDProbe.influenceVolume.sphereRadius, currentHDProbe.influenceVolume.sphereRadius, currentHDProbe.influenceVolume.sphereRadius));
targetMesh = DebugShapes.instance.RequestSphereMesh();
}
else
{
m_MaterialProperty.SetVector(_RangeShaderID, new Vector3(currentHDProbe.influenceVolume.boxSize.x, currentHDProbe.influenceVolume.boxSize.y, currentHDProbe.influenceVolume.boxSize.z));
targetMesh = DebugShapes.instance.RequestBoxMesh();
}
m_MaterialProperty.SetColor(_ColorShaderID, new Color(1.0f, 1.0f, 0.0f, 1.0f));
m_MaterialProperty.SetVector(_OffsetShaderID, new Vector3(0, 0, 0));
Matrix4x4 positionMat = Matrix4x4.Translate(currentLegacyProbe.transform.position);
cmd.DrawMesh(targetMesh, positionMat, m_DebugLightVolumeMaterial, 0, 0, m_MaterialProperty);
}
// Define which kernel to use based on the lightloop options
int targetKernel = lightDebugSettings.lightVolumeDebugByCategory == LightVolumeDebug.ColorAndEdge ? m_DebugLightVolumeColorsKernel : m_DebugLightVolumeGradientKernel;
// Set the input params for the compute
cmd.SetComputeTextureParam(m_DebugLightVolumeCompute, targetKernel, _DebugLightCountBufferShaderID, m_LightCountBuffer);
cmd.SetComputeTextureParam(m_DebugLightVolumeCompute, targetKernel, _DebugColorAccumulationBufferShaderID, m_ColorAccumulationBuffer);
cmd.SetComputeTextureParam(m_DebugLightVolumeCompute, targetKernel, _DebugLightVolumesTextureShaderID, m_DebugLightVolumesTexture);
cmd.SetComputeTextureParam(m_DebugLightVolumeCompute, targetKernel, _ColorGradientTextureShaderID, m_ColorGradientTexture);
cmd.SetComputeIntParam(m_DebugLightVolumeCompute, _MaxDebugLightCountShaderID, (int)lightDebugSettings.maxDebugLightCount);
// Texture dimensions
int texWidth = hdCamera.actualWidth; // m_ColorAccumulationBuffer.rt.width;
int texHeight = hdCamera.actualHeight; // m_ColorAccumulationBuffer.rt.width;
// Dispatch the compute
int lightVolumesTileSize = 8;
int numTilesX = (texWidth + (lightVolumesTileSize - 1)) / lightVolumesTileSize;
int numTilesY = (texHeight + (lightVolumesTileSize - 1)) / lightVolumesTileSize;
cmd.DispatchCompute(m_DebugLightVolumeCompute, targetKernel, numTilesX, numTilesY, hdCamera.viewCount);
// Blit this into the camera target
HDUtils.SetRenderTarget(cmd, finalRT);
m_MaterialProperty.SetTexture(HDShaderIDs._BlitTexture, m_DebugLightVolumesTexture);
cmd.DrawProcedural(Matrix4x4.identity, m_DebugLightVolumeMaterial, 1, MeshTopology.Triangles, 3, 1, m_MaterialProperty);
}
}
public virtual void RenderDeferredLighting(HDCamera hdCamera, ScriptableRenderContext renderContext,
LightingDebugSettings lightDebugParameters,
RenderTargetIdentifier[] colorBuffers, RenderTargetIdentifier stencilBuffer,
bool outputSplitLightingForSSS, bool enableSSS)
{
}
public void UpdateDebugSettings(LightingDebugSettings lightingDebugSettings)
{
m_LightingDebugSettings = lightingDebugSettings;
}