GoaLitiuM/FlaxEngine
1
0
Fork 0
Code Issues Pull Requests Actions 7 Packages Projects Releases Wiki Activity

Optimize Global SDF cascades updates intervals (max 1 cascade per frame)

Browse Source
This commit is contained in:
Wojtek Figat
2022-11-01 00:37:01 +01:00
parent 5f4aa39263
commit ec62763e87
3 changed files with 108 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

89
Source/Engine/Graphics/RenderTools.cpp
View File

@@ -489,6 +489,95 @@ int32 RenderTools::ComputeSkinnedModelLOD(const SkinnedModel* model, const Float
return 0;
}
void RenderTools::ComputeCascadeUpdateFrequency(int32 cascadeIndex, int32 cascadeCount, int32& updateFrequency, int32& updatePhrase, int32 updateMaxCountPerFrame)
{
switch (updateMaxCountPerFrame)
{
case 1: // 1 cascade update per frame
switch (cascadeIndex)
{
case 0: // Cascade 0
updateFrequency = 2;
updatePhrase = 0;
break;
case 1: // Cascade 1
updateFrequency = 4;
updatePhrase = 1;
break;
case 2: // Cascade 2
updateFrequency = 8;
updatePhrase = 3;
break;
default:
if (cascadeCount > 4)
{
if (cascadeIndex == 3)
{
// Cascade 3
updateFrequency = 16;
updatePhrase = 7;
}
else
{
// Other
updateFrequency = 16;
updatePhrase = 15;
}
}
else
{
// Cascade 3
updateFrequency = 8;
updatePhrase = 7;
}
}
break;
case 2: // 2 cascade2 update per frame
switch (cascadeIndex)
{
case 0: // Cascade 0
updateFrequency = 1;
updatePhrase = 0;
break;
case 1: // Cascade 1
updateFrequency = 2;
updatePhrase = 0;
break;
case 2: // Cascade 2
updateFrequency = 4;
updatePhrase = 1;
break;
default:
if (cascadeCount > 4)
{
if (cascadeIndex == 3)
{
// Cascade 3
updateFrequency = 8;
updatePhrase = 3;
}
else
{
// Other
updateFrequency = 8;
updatePhrase = 7;
}
}
else
{
// Cascade 3
updateFrequency = 4;
updatePhrase = 3;
}
}
break;
default: // Every frame
updateFrequency = 1;
updatePhrase = 1;
break;
}
}
int32 MipLevelsCount(int32 width, bool useMipLevels)
{
if (!useMipLevels)