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Merge pull request #214 from Unity-Technologies/Branch_FixDisableLastLight 

Fixed a bug where disabling the last light in the scene would not work.
/fptl_cleanup
GitHub 8 年前
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2bab5440
共有 1 个文件被更改，包括 166 次插入 和 166 次删除
  1. 332
      Assets/ScriptableRenderPipeline/HDRenderPipeline/Lighting/TilePass/TilePass.cs

332
Assets/ScriptableRenderPipeline/HDRenderPipeline/Lighting/TilePass/TilePass.cs
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{
m_lightList.Clear();
if (cullResults.visibleLights.Length == 0 && cullResults.visibleReflectionProbes.Length == 0)
return;
if (cullResults.visibleLights.Length != 0 || cullResults.visibleReflectionProbes.Length != 0)
{
#if (SHADOWS_ENABLED)
// 0. deal with shadows
{

}
}
#endif
float oldSpecularGlobalDimmer = m_PassSettings.specularGlobalDimmer;
// Change some parameters in case of "special" rendering (can be preview, reflection, etc.
if (camera.cameraType == CameraType.Reflection)
{
m_PassSettings.specularGlobalDimmer = 0.0f;
}
float oldSpecularGlobalDimmer = m_PassSettings.specularGlobalDimmer;
// Change some parameters in case of "special" rendering (can be preview, reflection, etc.
if (camera.cameraType == CameraType.Reflection)
{
m_PassSettings.specularGlobalDimmer = 0.0f;
}
// 1. Count the number of lights and sort all light by category, type and volume
int directionalLightcount = 0;
int punctualLightcount = 0;
int areaLightCount = 0;
// 1. Count the number of lights and sort all light by category, type and volume
int directionalLightcount = 0;
int punctualLightcount = 0;
int areaLightCount = 0;
int lightCount = Math.Min(cullResults.visibleLights.Length, k_MaxLightsOnScreen);
var sortKeys = new uint[lightCount];
int sortCount = 0;
int lightCount = Math.Min(cullResults.visibleLights.Length, k_MaxLightsOnScreen);
var sortKeys = new uint[lightCount];
int sortCount = 0;
for (int lightIndex = 0, numLights = cullResults.visibleLights.Length; (lightIndex < numLights) && (sortCount < lightCount); ++lightIndex)
{
var light = cullResults.visibleLights[lightIndex];
for (int lightIndex = 0, numLights = cullResults.visibleLights.Length; (lightIndex < numLights) && (sortCount < lightCount); ++lightIndex)
{
var light = cullResults.visibleLights[lightIndex];
// We only process light with additional data
var additionalData = light.light.GetComponent<AdditionalLightData>();
// We only process light with additional data
var additionalData = light.light.GetComponent<AdditionalLightData>();
if (additionalData == null)
{
// Don't display warning for the preview windows
if (camera.cameraType != CameraType.Preview)
if (additionalData == null)
Debug.LogWarningFormat("Light entity {0} has no additional data, will be rendered using default values.", light.light.name);
// Don't display warning for the preview windows
if (camera.cameraType != CameraType.Preview)
{
Debug.LogWarningFormat("Light entity {0} has no additional data, will be rendered using default values.", light.light.name);
}
additionalData = DefaultAdditionalLightData;
additionalData = DefaultAdditionalLightData;
}
LightCategory lightCategory = LightCategory.Count;
GPULightType gpuLightType = GPULightType.Point;
LightVolumeType lightVolumeType = LightVolumeType.Count;
LightCategory lightCategory = LightCategory.Count;
GPULightType gpuLightType = GPULightType.Point;
LightVolumeType lightVolumeType = LightVolumeType.Count;
// Note: LightType.Area is offline only, use for baking, no need to test it
if (additionalData.archetype == LightArchetype.Punctual)
{
switch (light.lightType)
// Note: LightType.Area is offline only, use for baking, no need to test it
if (additionalData.archetype == LightArchetype.Punctual)
case LightType.Point:
if (punctualLightcount >= k_MaxPunctualLightsOnScreen)
continue;
lightCategory = LightCategory.Punctual;
gpuLightType = GPULightType.Point;
lightVolumeType = LightVolumeType.Sphere;
break;
switch (light.lightType)
{
case LightType.Point:
if (punctualLightcount >= k_MaxPunctualLightsOnScreen)
continue;
lightCategory = LightCategory.Punctual;
gpuLightType = GPULightType.Point;
lightVolumeType = LightVolumeType.Sphere;
break;
case LightType.Spot:
if (punctualLightcount >= k_MaxPunctualLightsOnScreen)
continue;
lightCategory = LightCategory.Punctual;
gpuLightType = GPULightType.Spot;
lightVolumeType = LightVolumeType.Cone;
break;
case LightType.Spot:
if (punctualLightcount >= k_MaxPunctualLightsOnScreen)
continue;
lightCategory = LightCategory.Punctual;
gpuLightType = GPULightType.Spot;
lightVolumeType = LightVolumeType.Cone;
break;
case LightType.Directional:
if (directionalLightcount >= k_MaxDirectionalLightsOnScreen)
continue;
lightCategory = LightCategory.Punctual;
gpuLightType = GPULightType.Directional;
// No need to add volume, always visible
lightVolumeType = LightVolumeType.Count; // Count is none
break;
case LightType.Directional:
if (directionalLightcount >= k_MaxDirectionalLightsOnScreen)
continue;
lightCategory = LightCategory.Punctual;
gpuLightType = GPULightType.Directional;
// No need to add volume, always visible
lightVolumeType = LightVolumeType.Count; // Count is none
break;
default:
continue;
default:
continue;
}
}
else
{
switch (additionalData.archetype)
else
case LightArchetype.Rectangle:
if (areaLightCount >= k_MaxAreaLightsOnSCreen)
continue;
lightCategory = LightCategory.Area;
gpuLightType = GPULightType.Rectangle;
lightVolumeType = LightVolumeType.Box;
break;
switch (additionalData.archetype)
{
case LightArchetype.Rectangle:
if (areaLightCount >= k_MaxAreaLightsOnSCreen)
continue;
lightCategory = LightCategory.Area;
gpuLightType = GPULightType.Rectangle;
lightVolumeType = LightVolumeType.Box;
break;
case LightArchetype.Line:
if (areaLightCount >= k_MaxAreaLightsOnSCreen)
continue;
lightCategory = LightCategory.Area;
gpuLightType = GPULightType.Line;
lightVolumeType = LightVolumeType.Box;
break;
case LightArchetype.Line:
if (areaLightCount >= k_MaxAreaLightsOnSCreen)
default:
lightCategory = LightCategory.Area;
gpuLightType = GPULightType.Line;
lightVolumeType = LightVolumeType.Box;
break;
default:
continue;
}
}
#if (SHADOWS_ENABLED)
uint shadow = m_ShadowIndices.ContainsKey(lightIndex) ? 1u : 0;

// 5 bit (0x1F) light category, 5 bit (0x1F) GPULightType, 6 bit (0x3F) lightVolume, 16 bit index
sortKeys[sortCount++] = (uint)lightCategory << 27 | (uint)gpuLightType << 22 | (uint)lightVolumeType << 16 | (uint)lightIndex;
// 5 bit (0x1F) light category, 5 bit (0x1F) GPULightType, 6 bit (0x3F) lightVolume, 16 bit index
sortKeys[sortCount++] = (uint)lightCategory << 27 | (uint)gpuLightType << 22 | (uint)lightVolumeType << 16 | (uint)lightIndex;
}
}
Array.Sort(sortKeys);
Array.Sort(sortKeys);
// TODO: Refactor shadow management
// The good way of managing shadow:
// Here we sort everyone and we decide which light is important or not (this is the responsibility of the lightloop)
// we allocate shadow slot based on maximum shadow allowed on screen and attribute slot by bigger solid angle
// THEN we ask to the ShadowRender to render the shadow, not the reverse as it is today (i.e render shadow than expect they
// will be use...)
// The lightLoop is in charge, not the shadow pass.
// For now we will still apply the maximum of shadow here but we don't apply the sorting by priority + slot allocation yet
int directionalShadowcount = 0;
int shadowCount = 0;
// TODO: Refactor shadow management
// The good way of managing shadow:
// Here we sort everyone and we decide which light is important or not (this is the responsibility of the lightloop)
// we allocate shadow slot based on maximum shadow allowed on screen and attribute slot by bigger solid angle
// THEN we ask to the ShadowRender to render the shadow, not the reverse as it is today (i.e render shadow than expect they
// will be use...)
// The lightLoop is in charge, not the shadow pass.
// For now we will still apply the maximum of shadow here but we don't apply the sorting by priority + slot allocation yet
int directionalShadowcount = 0;
int shadowCount = 0;
// 2. Go thought all lights, convert them to GPU format.
// Create simultaneously data for culling (LigthVolumeData and rendering)
var worldToView = WorldToCamera(camera);
// 2. Go thought all lights, convert them to GPU format.
// Create simultaneously data for culling (LigthVolumeData and rendering)
var worldToView = WorldToCamera(camera);
for (int sortIndex = 0; sortIndex < sortCount; ++sortIndex)
{
// In 1. we have already classify and sorted the light, we need to use this sorted order here
uint sortKey = sortKeys[sortIndex];
LightCategory lightCategory = (LightCategory)((sortKey >> 27) & 0x1F);
GPULightType gpuLightType = (GPULightType)((sortKey >> 22) & 0x1F);
for (int sortIndex = 0; sortIndex < sortCount; ++sortIndex)
{
// In 1. we have already classify and sorted the light, we need to use this sorted order here
uint sortKey = sortKeys[sortIndex];
LightCategory lightCategory = (LightCategory)((sortKey >> 27) & 0x1F);
GPULightType gpuLightType = (GPULightType)((sortKey >> 22) & 0x1F);
LightVolumeType lightVolumeType = (LightVolumeType)((sortKey >> 16) & 0x3F);
LightVolumeType lightVolumeType = (LightVolumeType)((sortKey >> 16) & 0x3F);
int lightIndex = (int)(sortKey & 0xFFFF);
int lightIndex = (int)(sortKey & 0xFFFF);
var light = cullResults.visibleLights[lightIndex];
var additionalData = light.light.GetComponent<AdditionalLightData>() ?? DefaultAdditionalLightData;
var light = cullResults.visibleLights[lightIndex];
var additionalData = light.light.GetComponent<AdditionalLightData>() ?? DefaultAdditionalLightData;
// Directional rendering side, it is separated as it is always visible so no volume to handle here
if (gpuLightType == GPULightType.Directional)
{
if (GetDirectionalLightData(shadowSettings, gpuLightType, light, additionalData, lightIndex, ref shadowOutput, ref directionalShadowcount))
directionalLightcount++;
// Directional rendering side, it is separated as it is always visible so no volume to handle here
if (gpuLightType == GPULightType.Directional)
{
if (GetDirectionalLightData(shadowSettings, gpuLightType, light, additionalData, lightIndex, ref shadowOutput, ref directionalShadowcount))
directionalLightcount++;
#if (SHADOWS_ENABLED && SHADOWS_FIXSHADOWIDX)
// fix up shadow information

m_lightList.directionalLights[m_lightList.directionalLights.Count - 1] = lightData;
}
#endif
continue;
}
continue;
}
// Spot, point, rect, line light - Rendering side
if (GetLightData(shadowSettings, camera, gpuLightType, light, additionalData, lightIndex, ref shadowOutput, ref shadowCount))
{
if (lightCategory == LightCategory.Punctual)
punctualLightcount++;
else if (lightCategory == LightCategory.Area)
areaLightCount++;
else
Debug.Assert(false); // Should not be anything else here.
// Then culling side. Must be call in this order as we pass the created Light data to the function
GetLightVolumeDataAndBound(lightCategory, gpuLightType, lightVolumeType, light, m_lightList.lights[m_lightList.lights.Count - 1], worldToView);
}
// Spot, point, rect, line light - Rendering side
if (GetLightData(shadowSettings, camera, gpuLightType, light, additionalData, lightIndex, ref shadowOutput, ref shadowCount))
{
if (lightCategory == LightCategory.Punctual)
punctualLightcount++;
else if (lightCategory == LightCategory.Area)
areaLightCount++;
else
Debug.Assert(false); // Should not be anything else here.
// Then culling side. Must be call in this order as we pass the created Light data to the function
GetLightVolumeDataAndBound(lightCategory, gpuLightType, lightVolumeType, light, m_lightList.lights[m_lightList.lights.Count - 1], worldToView);
}
#if (SHADOWS_ENABLED && SHADOWS_FIXSHADOWIDX)
// fix up shadow information

m_lightList.lights[m_lightList.lights.Count - 1] = lightData;
}
#endif
}
}
// Sanity check
Debug.Assert(m_lightList.directionalLights.Count == directionalLightcount);
Debug.Assert(m_lightList.lights.Count == areaLightCount + punctualLightcount);
m_areaLightCount = areaLightCount;
m_punctualLightCount = punctualLightcount;
// Sanity check
Debug.Assert(m_lightList.directionalLights.Count == directionalLightcount);
Debug.Assert(m_lightList.lights.Count == areaLightCount + punctualLightcount);
m_areaLightCount = areaLightCount;
m_punctualLightCount = punctualLightcount;
// Redo everything but this time with envLights
int envLightCount = 0;
// Redo everything but this time with envLights
int envLightCount = 0;
int probeCount = Math.Min(cullResults.visibleReflectionProbes.Length, k_MaxEnvLightsOnScreen);
sortKeys = new uint[probeCount];
sortCount = 0;
int probeCount = Math.Min(cullResults.visibleReflectionProbes.Length, k_MaxEnvLightsOnScreen);
sortKeys = new uint[probeCount];
sortCount = 0;
for (int probeIndex = 0, numProbes = cullResults.visibleReflectionProbes.Length; (probeIndex < numProbes) && (sortCount < probeCount); probeIndex++)
{
var probe = cullResults.visibleReflectionProbes[probeIndex];
// probe.texture can be null when we are adding a reflection probe in the editor
if (probe.texture == null || envLightCount >= k_MaxEnvLightsOnScreen)
continue;
for (int probeIndex = 0, numProbes = cullResults.visibleReflectionProbes.Length; (probeIndex < numProbes) && (sortCount < probeCount); probeIndex++)
{
var probe = cullResults.visibleReflectionProbes[probeIndex];
// TODO: Support LightVolumeType.Sphere, currently in UI there is no way to specify a sphere influence volume
LightVolumeType lightVolumeType = probe.boxProjection != 0 ? LightVolumeType.Box : LightVolumeType.Box;
++envLightCount;
// probe.texture can be null when we are adding a reflection probe in the editor
if (probe.texture == null || envLightCount >= k_MaxEnvLightsOnScreen)
continue;
// 16 bit lightVolume, 16 bit index
sortKeys[sortCount++] = (uint)lightVolumeType << 16 | (uint)probeIndex;
}
// TODO: Support LightVolumeType.Sphere, currently in UI there is no way to specify a sphere influence volume
LightVolumeType lightVolumeType = probe.boxProjection != 0 ? LightVolumeType.Box : LightVolumeType.Box;
++envLightCount;
// Not necessary yet but call it for future modification with sphere influence volume
Array.Sort(sortKeys);
// 16 bit lightVolume, 16 bit index
sortKeys[sortCount++] = (uint)lightVolumeType << 16 | (uint)probeIndex;
}
for (int sortIndex = 0; sortIndex < sortCount; ++sortIndex)
{
// In 1. we have already classify and sorted the light, we need to use this sorted order here
uint sortKey = sortKeys[sortIndex];
LightVolumeType lightVolumeType = (LightVolumeType)((sortKey >> 16) & 0xFFFF);
int probeIndex = (int)(sortKey & 0xFFFF);
// Not necessary yet but call it for future modification with sphere influence volume
Array.Sort(sortKeys);
VisibleReflectionProbe probe = cullResults.visibleReflectionProbes[probeIndex];
for (int sortIndex = 0; sortIndex < sortCount; ++sortIndex)
{
// In 1. we have already classify and sorted the light, we need to use this sorted order here
uint sortKey = sortKeys[sortIndex];
LightVolumeType lightVolumeType = (LightVolumeType)((sortKey >> 16) & 0xFFFF);
int probeIndex = (int)(sortKey & 0xFFFF);
GetEnvLightData(probe);
VisibleReflectionProbe probe = cullResults.visibleReflectionProbes[probeIndex];
GetEnvLightVolumeDataAndBound(probe, lightVolumeType, worldToView);
}
GetEnvLightData(probe);
// Sanity check
Debug.Assert(m_lightList.envLights.Count == envLightCount);
GetEnvLightVolumeDataAndBound(probe, lightVolumeType, worldToView);
// Restore values after "special rendering"
m_PassSettings.specularGlobalDimmer = oldSpecularGlobalDimmer;
// Sanity check
Debug.Assert(m_lightList.envLights.Count == envLightCount);
// Restore values after "special rendering"
m_PassSettings.specularGlobalDimmer = oldSpecularGlobalDimmer;
UpdateDataBuffers();
}

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