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Exposed fields to the mesh component giving greater Lod control from the editor

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Signed-off-by: Kyle B <kylebirnbaum@gmail.com>
This commit is contained in:
Kyle B
2021-08-02 13:36:10 -07:00
parent c9b3ed8bc7
commit 5b88d96eec
10 changed files with 167 additions and 7 deletions
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Gems/Atom/Feature/Common/Code/Source/Mesh/MeshFeatureProcessor.cpp
+68 -6
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@@ -380,6 +380,48 @@ namespace AZ
}
}
void MeshFeatureProcessor::SetMinimumScreenCoverage( const MeshHandle& meshHandle, float minimumScreenCoverage)
{
if (meshHandle.IsValid())
{
meshHandle->SetMinimumScreenCoverage(minimumScreenCoverage);
}
}
float MeshFeatureProcessor::GetMinimumScreenCoverage(const MeshHandle& meshHandle)
{
if (meshHandle.IsValid())
{
return meshHandle->GetMinimumScreenCoverage();
}
else
{
AZ_Assert(false, "Invalid mesh handle");
return 0;
}
}
void MeshFeatureProcessor::SetQualityDecayRate(const MeshHandle& meshHandle, float qualityDecayRate)
{
if (meshHandle.IsValid())
{
meshHandle->SetQualityDecayRate(qualityDecayRate);
}
}
float MeshFeatureProcessor::GetQualityDecayRate(const MeshHandle& meshHandle)
{
if (meshHandle.IsValid())
{
return meshHandle->GetQualityDecayRate();
}
else
{
AZ_Assert(false, "Invalid mesh handle");
return 0;
}
}
void MeshFeatureProcessor::SetExcludeFromReflectionCubeMaps(const MeshHandle& meshHandle, bool excludeFromReflectionCubeMaps)
{
if (meshHandle.IsValid())
@@ -1001,6 +1043,26 @@ namespace AZ
return m_cullable.m_lodData.m_lodOverride;
}
void MeshDataInstance::SetMinimumScreenCoverage(float minimumScreenCoverage)
{
m_cullable.m_lodData.m_minimumScreenCoverage = minimumScreenCoverage;
}
float MeshDataInstance::GetMinimumScreenCoverage()
{
return m_cullable.m_lodData.m_minimumScreenCoverage;
}
void MeshDataInstance::SetQualityDecayRate(float qualityDecayRate)
{
m_cullable.m_lodData.m_qualityDecayRate = qualityDecayRate;
}
float MeshDataInstance::GetQualityDecayRate()
{
return m_cullable.m_lodData.m_qualityDecayRate;
}
void MeshDataInstance::UpdateDrawPackets(bool forceUpdate /*= false*/)
{
AZ_PROFILE_FUNCTION(Debug::ProfileCategory::AzRender);
@@ -1036,13 +1098,11 @@ namespace AZ
cullData.m_drawListMask.reset();
const size_t lodCount = lodAssets.size();
for (size_t lodIndex = 0; lodIndex < lodCount; ++lodIndex)
{
//initialize the lod
RPI::Cullable::LodData::Lod& lod = lodData.m_lods[lodIndex];
//[GFX TODO][ATOM-5562] - Level of detail: override lod distances and add global lod multiplier(s)
static const float MinimumScreenCoverage = 1.0f/1080.0f; //mesh should cover at least a screen pixel at 1080p to be drawn
static const float ReductionFactor = 0.5f;
if (lodIndex == 0)
{
//first lod
@@ -1051,17 +1111,19 @@ namespace AZ
else
{
//every other lod: use the previous lod's min
lod.m_screenCoverageMax = AZStd::GetMax(lodData.m_lods[lodIndex-1].m_screenCoverageMin, MinimumScreenCoverage);
lod.m_screenCoverageMax = AZStd::GetMax(lodData.m_lods[lodIndex - 1].m_screenCoverageMin, lodData.m_minimumScreenCoverage);
}
if (lodIndex < lodAssets.size() - 1)
{
//first and middle lods: compute a stepdown value for the min
lod.m_screenCoverageMin = AZStd::GetMax(ReductionFactor * lod.m_screenCoverageMax, MinimumScreenCoverage);
lod.m_screenCoverageMin =
AZStd::GetMax(lodData.m_qualityDecayRate * lod.m_screenCoverageMax, lodData.m_minimumScreenCoverage);
}
else
{
//last lod: use MinimumScreenCoverage for the min
lod.m_screenCoverageMin = MinimumScreenCoverage;
lod.m_screenCoverageMin = lodData.m_minimumScreenCoverage;
}
lod.m_drawPackets.clear();