public void SetupPerObjectLightIndices(ref CullResults cullResults, ref LightData lightData)
{
if (lightData.totalAdditionalLightsCount == 0)
{
return;
}
List <VisibleLight> visibleLights = lightData.visibleLights;
int[] perObjectLightIndexMap = cullResults.GetLightIndexMap();
int directionalLightsCount = 0;
int localLightsCount = 0;
// Disable all directional lights from the perobject light indices
// Pipeline handles them globally.
for (int i = 0; i < visibleLights.Count && localLightsCount < maxVisibleLocalLights; ++i)
{
VisibleLight light = visibleLights[i];
if (light.lightType == LightType.Directional)
{
perObjectLightIndexMap[i] = -1;
++directionalLightsCount;
}
else
{
perObjectLightIndexMap[i] -= directionalLightsCount;
++localLightsCount;
}
}
// Disable all remaining lights we cannot fit into the global light buffer.
for (int i = directionalLightsCount + localLightsCount; i < perObjectLightIndexMap.Length; ++i)
{
perObjectLightIndexMap[i] = -1;
}
cullResults.SetLightIndexMap(perObjectLightIndexMap);
// if not using a compute buffer, engine will set indices in 2 vec4 constants
// unity_4LightIndices0 and unity_4LightIndices1
if (useComputeBufferForPerObjectLightIndices)
{
int lightIndicesCount = cullResults.GetLightIndicesCount();
if (lightIndicesCount > 0)
{
if (perObjectLightIndices == null)
{
perObjectLightIndices = new ComputeBuffer(lightIndicesCount, sizeof(int));
}
else if (perObjectLightIndices.count < lightIndicesCount)
{
perObjectLightIndices.Release();
perObjectLightIndices = new ComputeBuffer(lightIndicesCount, sizeof(int));
}
cullResults.FillLightIndices(perObjectLightIndices);
}
}
}
private void FillLightIndices(ref CullResults cullResults, int visibleLightsCount)
{
//int visibleRenderersCount = cullResults.GetVisibleRenderersCount();
// TODO: commenting cullResults.GetVisislbeRenderersCount() to avoid compiler errors as it is not in main SRP trunk yet
// For now setting a small amount enough for the test scenes.
int visibleRenderersCount = 1024;
if (visibleRenderersCount > m_LightIndicesCount)
{
m_LightIndicesCount = visibleRenderersCount * visibleLightsCount;
if (m_LightIndexListBuffer != null)
{
m_LightIndexListBuffer.Release();
}
m_LightIndexListBuffer = new ComputeBuffer(m_LightIndicesCount, sizeof(uint));
}
cullResults.FillLightIndices(m_LightIndexListBuffer);
}
public void SetupPerObjectLightIndices(ref CullResults cullResults, ref RenderingData lightData)
{
if (lightShadowParams == null)
{
lightShadowParams = new ComputeBuffer(lightData.settings.MaxShadowLightsNum, Marshal.SizeOf <shadowparms_t>());
}
List <VisibleLight> visibleLights = lightData.lightData.visibleLights;
var lightLoop = lightData.lightData.lightLoop;
//GC?
#if false
int[] perObjectLightIndexMap = cullResults.GetLightIndexMap();
int directionalLightsCount = 0;
int additionalLightsCount = 0;
// Disable all directional lights from the perobject light indices
// Pipeline handles them globally.
for (int i = 0; i < visibleLights.Count; ++i)
{
if (additionalLightsCount >= 16)
{
break;
}
VisibleLight light = visibleLights[i];
if (light.lightType == LightType.Directional)
{
perObjectLightIndexMap[i] = -1;
++directionalLightsCount;
}
else
{
perObjectLightIndexMap[i] -= directionalLightsCount;
++additionalLightsCount;
}
}
// Disable all remaining lights we cannot fit into the global light buffer.
for (int i = directionalLightsCount + additionalLightsCount; i < visibleLights.Count; ++i)
{
perObjectLightIndexMap[i] = -1;
}
cullResults.SetLightIndexMap(perObjectLightIndexMap);
// if not using a compute buffer, engine will set indices in 2 vec4 constants
// unity_4LightIndices0 and unity_4LightIndices1
int lightIndicesCount = cullResults.GetLightIndicesCount();
if (lightIndicesCount > 0)
{
if (perObjectLightIndices == null)
{
perObjectLightIndices = new ComputeBuffer(lightIndicesCount, sizeof(int));
}
else if (perObjectLightIndices.count < lightIndicesCount)
{
perObjectLightIndices.Release();
perObjectLightIndices = new ComputeBuffer(lightIndicesCount, sizeof(int));
}
cullResults.FillLightIndices(perObjectLightIndices);
}
#endif
}