You've already forked UnrealEngineUWP
mirror of
https://github.com/izzy2lost/UnrealEngineUWP.git
synced 2026-03-26 18:15:20 -07:00
7f032769e6
Part of fix for low frame rate when selecting an RVT map in content browser. #rb none #jira none #preflight 6131157b1a52e20001b44ecc [CL 17407714 by Jeremy Moore in ue5-main branch]
104 lines
4.1 KiB
C++
104 lines
4.1 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
|
|
|
|
#include "RuntimeVirtualTextureThumbnailRenderer.h"
|
|
|
|
#include "Components/RuntimeVirtualTextureComponent.h"
|
|
#include "MaterialShared.h"
|
|
#include "RenderingThread.h"
|
|
#include "RenderGraphBuilder.h"
|
|
#include "SceneInterface.h"
|
|
#include "VT/RuntimeVirtualTexture.h"
|
|
#include "VT/RuntimeVirtualTextureRender.h"
|
|
#include "UnrealClient.h"
|
|
#include "UObject/UObjectIterator.h"
|
|
|
|
namespace
|
|
{
|
|
/** Find a matching component for this URuntimeVirtualTexture. */
|
|
URuntimeVirtualTextureComponent* FindComponent(URuntimeVirtualTexture* RuntimeVirtualTexture)
|
|
{
|
|
for (TObjectIterator<URuntimeVirtualTextureComponent> It; It; ++It)
|
|
{
|
|
URuntimeVirtualTextureComponent* RuntimeVirtualTextureComponent = *It;
|
|
if (RuntimeVirtualTextureComponent->GetVirtualTexture() == RuntimeVirtualTexture)
|
|
{
|
|
return RuntimeVirtualTextureComponent;
|
|
}
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
URuntimeVirtualTextureThumbnailRenderer::URuntimeVirtualTextureThumbnailRenderer(const FObjectInitializer& ObjectInitializer)
|
|
: Super(ObjectInitializer)
|
|
{
|
|
}
|
|
|
|
bool URuntimeVirtualTextureThumbnailRenderer::CanVisualizeAsset(UObject* Object)
|
|
{
|
|
URuntimeVirtualTexture* RuntimeVirtualTexture = Cast<URuntimeVirtualTexture>(Object);
|
|
|
|
// We need a matching URuntimeVirtualTextureComponent in a Scene to be able to render a thumbnail
|
|
URuntimeVirtualTextureComponent* RuntimeVirtualTextureComponent = FindComponent(RuntimeVirtualTexture);
|
|
if (RuntimeVirtualTextureComponent != nullptr && RuntimeVirtualTextureComponent->GetScene() != nullptr)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void URuntimeVirtualTextureThumbnailRenderer::Draw(UObject* Object, int32 X, int32 Y, uint32 Width, uint32 Height, FRenderTarget* RenderTarget, FCanvas* Canvas, bool bAdditionalViewFamily)
|
|
{
|
|
//todo[vt]: Handle case where a null or floating point render target is passed in. (This happens on package save.)
|
|
if (RenderTarget->GetRenderTargetTexture() == nullptr || RenderTarget->GetRenderTargetTexture()->GetFormat() != PF_B8G8R8A8)
|
|
{
|
|
return;
|
|
}
|
|
|
|
URuntimeVirtualTexture* RuntimeVirtualTexture = Cast<URuntimeVirtualTexture>(Object);
|
|
URuntimeVirtualTextureComponent* RuntimeVirtualTextureComponent = FindComponent(RuntimeVirtualTexture);
|
|
FSceneInterface* Scene = RuntimeVirtualTextureComponent != nullptr ? RuntimeVirtualTextureComponent->GetScene() : nullptr;
|
|
check(Scene != nullptr);
|
|
|
|
const FBox2D DestBox = FBox2D(FVector2D(X, Y), FVector2D(Width, Height));
|
|
const FTransform Transform = RuntimeVirtualTextureComponent->GetComponentTransform();
|
|
const FBox Bounds = RuntimeVirtualTextureComponent->Bounds.GetBox();
|
|
const uint32 VirtualTextureSceneIndex = RuntimeVirtualTexture::GetRuntimeVirtualTextureSceneIndex_GameThread(RuntimeVirtualTextureComponent);
|
|
const ERuntimeVirtualTextureMaterialType MaterialType = RuntimeVirtualTexture->GetMaterialType();
|
|
|
|
FVTProducerDescription VTDesc;
|
|
RuntimeVirtualTexture->GetProducerDescription(VTDesc, URuntimeVirtualTexture::FInitSettings(), Transform);
|
|
const int32 MaxLevel = (int32)FMath::CeilLogTwo(FMath::Max(VTDesc.BlockWidthInTiles, VTDesc.BlockHeightInTiles));
|
|
|
|
ENQUEUE_RENDER_COMMAND(BakeStreamingTextureTileCommand)(
|
|
[Scene, VirtualTextureSceneIndex, MaterialType, RenderTarget, DestBox, Transform, Bounds, MaxLevel](FRHICommandListImmediate& RHICmdList)
|
|
{
|
|
FMaterialRenderProxy::UpdateDeferredCachedUniformExpressions();
|
|
|
|
FMemMark MemMark(FMemStack::Get());
|
|
FRDGBuilder GraphBuilder(RHICmdList);
|
|
|
|
RuntimeVirtualTexture::FRenderPageBatchDesc Desc;
|
|
Desc.Scene = Scene->GetRenderScene();
|
|
Desc.RuntimeVirtualTextureMask = 1 << VirtualTextureSceneIndex;
|
|
Desc.UVToWorld = Transform;
|
|
Desc.WorldBounds = Bounds;
|
|
Desc.MaterialType = MaterialType;
|
|
Desc.MaxLevel = MaxLevel;
|
|
Desc.bClearTextures = true;
|
|
Desc.bIsThumbnails = true;
|
|
Desc.DebugType = ERuntimeVirtualTextureDebugType::None;
|
|
Desc.NumPageDescs = 1;
|
|
Desc.Targets[0].Texture = RenderTarget->GetRenderTargetTexture();
|
|
Desc.PageDescs[0].DestBox[0] = DestBox;
|
|
Desc.PageDescs[0].UVRange = FBox2D(FVector2D(0, 0), FVector2D(1, 1));
|
|
Desc.PageDescs[0].vLevel = MaxLevel;
|
|
|
|
RuntimeVirtualTexture::RenderPagesStandAlone(GraphBuilder, Desc);
|
|
|
|
GraphBuilder.Execute();
|
|
});
|
|
}
|