void InitResources()
{
// Volume
InitVolume(ref m_VolumeInject);
InitVolume(ref m_VolumeScatter);
// Compute buffers
int pointLightCount = 0, tubeLightCount = 0, areaLightCount = 0;
HashSet <FogLight> fogLights = LightManagerFogLights.Get();
for (var x = fogLights.GetEnumerator(); x.MoveNext();)
{
var fl = x.Current;
if (fl == null)
{
continue;
}
bool isOn = fl.isOn;
switch (fl.type)
{
case FogLight.Type.Point: if (isOn)
{
pointLightCount++;
}
break;
case FogLight.Type.Tube: if (isOn)
{
tubeLightCount++;
}
break;
case FogLight.Type.Area: if (isOn)
{
areaLightCount++;
}
break;
}
}
// PointLightParams {float3 float float3 float} -> 32 bytes
CreateBuffer(ref m_PointLightParamsCB, pointLightCount, 32);
// TubeLightParams {float3 float float3 float float3 float} -> 48 bytes
CreateBuffer(ref m_TubeLightParamsCB, tubeLightCount, 48);
// TubeLightShadowPlaneParams {float4 float4 float float float float} -> 48 bytes
CreateBuffer(ref m_TubeLightShadowPlaneParamsCB, tubeLightCount, 48);
// TubeLightParams {float4x4 float4 float3 float} -> 96 bytes
CreateBuffer(ref m_AreaLightParamsCB, areaLightCount, 96);
// FogEllipsoidParams {float3 float float3 9xfloat} -> 64 bytes
HashSet <FogEllipsoid> fogEllipsoids = LightManagerFogEllipsoids.Get();
CreateBuffer(ref m_FogEllipsoidParamsCB, fogEllipsoids == null ? 0 : fogEllipsoids.Count, 64);
}
void AddToLightManager()
{
if (!m_AddedToLightManager)
{
m_AddedToLightManager = LightManagerFogEllipsoids.Add(this);
}
}
void SetUpFogEllipsoidBuffers(int kernel)
{
int count = 0;
HashSet <FogEllipsoid> fogEllipsoids = LightManagerFogEllipsoids.Get();
for (var x = fogEllipsoids.GetEnumerator(); x.MoveNext();)
{
var fe = x.Current;
if (fe != null && fe.enabled && fe.gameObject.activeSelf)
{
count++;
}
}
m_InjectLightingAndDensity.SetFloat("_FogEllipsoidsCount", count);
if (count == 0)
{
// Can't not set the buffer
m_InjectLightingAndDensity.SetBuffer(kernel, "_FogEllipsoids", m_DummyCB);
return;
}
if (m_FogEllipsoidParams == null || m_FogEllipsoidParams.Length != count)
{
m_FogEllipsoidParams = new FogEllipsoidParams[count];
}
int j = 0;
for (var x = fogEllipsoids.GetEnumerator(); x.MoveNext();)
{
var fe = x.Current;
if (fe == null || !fe.enabled || !fe.gameObject.activeSelf)
{
continue;
}
Transform t = fe.transform;
m_FogEllipsoidParams[j].pos = t.position;
m_FogEllipsoidParams[j].radius = fe.m_Radius * fe.m_Radius;
m_FogEllipsoidParams[j].axis = -t.up;
m_FogEllipsoidParams[j].stretch = 1.0f / fe.m_Stretch - 1.0f;
m_FogEllipsoidParams[j].density = fe.m_Density;
m_FogEllipsoidParams[j].noiseAmount = fe.m_NoiseAmount;
m_FogEllipsoidParams[j].noiseSpeed = fe.m_NoiseSpeed;
m_FogEllipsoidParams[j].noiseScale = fe.m_NoiseScale;
m_FogEllipsoidParams[j].feather = 1.0f - fe.m_Feather;
m_FogEllipsoidParams[j].blend = fe.m_Blend == FogEllipsoid.Blend.Additive ? 0 : 1;
j++;
}
m_FogEllipsoidParamsCB.SetData(m_FogEllipsoidParams);
m_InjectLightingAndDensity.SetBuffer(kernel, "_FogEllipsoids", m_FogEllipsoidParamsCB);
}
void InitResources()
{
// Volume
InitVolume(ref m_VolumeInject);
InitVolume(ref m_VolumeScatter);
// Compute buffers
int pointLightCount = 0, tubeLightCount = 0, areaLightCount = 0;
HashSet <FogLight> fogLights = LightManagerFogLights.Get();
for (var x = fogLights.GetEnumerator(); x.MoveNext();)
{
var fl = x.Current;
if (fl == null)
{
continue;
}
bool isOn = fl.isOn;
switch (fl.type)
{
case FogLight.Type.Point: if (isOn)
{
pointLightCount++;
}
break;
case FogLight.Type.Tube: if (isOn)
{
tubeLightCount++;
}
break;
case FogLight.Type.Area: if (isOn)
{
areaLightCount++;
}
break;
}
}
CreateBuffer(ref m_PointLightParamsCB, pointLightCount, Marshal.SizeOf(typeof(PointLightParams)));
CreateBuffer(ref m_TubeLightParamsCB, tubeLightCount, Marshal.SizeOf(typeof(TubeLightParams)));
CreateBuffer(ref m_TubeLightShadowPlaneParamsCB, tubeLightCount, Marshal.SizeOf(typeof(TubeLightShadowPlaneParams)));
CreateBuffer(ref m_AreaLightParamsCB, areaLightCount, Marshal.SizeOf(typeof(AreaLightParams)));
HashSet <FogEllipsoid> fogEllipsoids = LightManagerFogEllipsoids.Get();
CreateBuffer(ref m_FogEllipsoidParamsCB, fogEllipsoids == null ? 0 : fogEllipsoids.Count, Marshal.SizeOf(typeof(FogEllipsoidParams)));
CreateBuffer(ref m_DummyCB, 1, 4);
}
void OnDisable()
{
LightManagerFogEllipsoids.Remove(this);
m_AddedToLightManager = false;
}