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Changed to a fixed-size occlusion buffer

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This commit is contained in:
Doug McDiarmid
2021-05-28 03:41:44 -07:00
parent bee811ae4f
commit c84882869b
5 changed files with 9 additions and 51 deletions
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Gems/Atom/RPI/Code/Source/RPI.Public/View.cpp
+4 -46
View File
@@ -54,7 +54,7 @@ namespace AZ
}
m_maskedOcclusionCulling = MaskedOcclusionCulling::Create();
m_maskedOcclusionCulling->SetNearClipPlane(0.1f);
m_maskedOcclusionCulling->SetResolution(1920, 1080);
}
View::~View()
@@ -388,56 +388,14 @@ namespace AZ
m_needBuildSrg = false;
}
void View::BeginCulling(const AZStd::vector<RenderPipelinePtr>& activePipelines)
void View::BeginCulling()
{
// retrieve current resolution
Vector2 resolution(0.0f, 0.0f);
for (auto& pipeline : activePipelines)
{
ViewPtr pipelineView = pipeline->GetDefaultView();
if (pipelineView.get() == this)
{
RPI::SwapChainPass* pass = AZ::RPI::PassSystemInterface::Get()->FindSwapChainPass(pipeline->GetWindowHandle());
if (pass)
{
const RHI::Viewport& viewport = pass->GetViewport();
resolution.SetX(viewport.m_maxX);
resolution.SetY(viewport.m_maxY);
}
break;
}
}
// calculate culling resolution based on required tile size for MaskedOcclusionCulling
static const uint32_t MaskedOcclusionCullingSubTileWidth = 8;
static const uint32_t MaskedOcclusionCullingSubTileHeight = 4;
uint32_t cullingWidth = RHI::AlignUp(resolution.GetX(), MaskedOcclusionCullingSubTileWidth);
uint32_t cullingHeight = RHI::AlignUp(resolution.GetY(), MaskedOcclusionCullingSubTileHeight);
m_maskedOcclusionCulling->SetResolution(cullingWidth, cullingHeight);
if (cullingWidth > 0 && cullingHeight > 0)
{
m_maskedOcclusionCulling->ClearBuffer();
}
m_maskedOcclusionCulling->ClearBuffer();
}
MaskedOcclusionCulling* View::GetMaskedOcclusionCulling()
{
if (m_maskedOcclusionCulling)
{
uint32_t width = 0;
uint32_t height = 0;
m_maskedOcclusionCulling->GetResolution(width, height);
if (width > 0 && height > 0)
{
return m_maskedOcclusionCulling;
}
}
return nullptr;
return m_maskedOcclusionCulling;
}
} // namespace RPI