本文整理汇总了C++中FPooledRenderTargetDesc::Is2DTexture方法的典型用法代码示例。如果您正苦于以下问题：C++ FPooledRenderTargetDesc::Is2DTexture方法的具体用法？C++ FPooledRenderTargetDesc::Is2DTexture怎么用？C++ FPooledRenderTargetDesc::Is2DTexture使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类FPooledRenderTargetDesc的用法示例。
在下文中一共展示了FPooledRenderTargetDesc::Is2DTexture方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: GenerateContent
void FVisualizeTexture::GenerateContent(const FSceneRenderTargetItem& RenderTargetItem, const FPooledRenderTargetDesc& Desc)
{
// otherwise StartFrame() wasn't called
check(ViewRect != FIntRect(0, 0, 0, 0))
FTexture2DRHIRef VisTexture = (FTexture2DRHIRef&)RenderTargetItem.ShaderResourceTexture;
if(!IsValidRef(VisTexture) || !Desc.IsValid())
{
// todo: improve
return;
}
FIntRect VisualizeTextureRect = ComputeVisualizeTextureRect(Desc.Extent);
FIntPoint Size = VisualizeTextureRect.Size();
// clamp to reasonable value to prevent crash
Size.X = FMath::Max(Size.X, 1);
Size.Y = FMath::Max(Size.Y, 1);
FPooledRenderTargetDesc OutputDesc(FPooledRenderTargetDesc::Create2DDesc(Size, PF_B8G8R8A8, TexCreate_None, TexCreate_RenderTargetable | TexCreate_ShaderResource, false));
GRenderTargetPool.FindFreeElement(OutputDesc, VisualizeTextureContent, TEXT("VisualizeTexture"));
if(!VisualizeTextureContent)
{
return;
}
const FSceneRenderTargetItem& DestRenderTarget = VisualizeTextureContent->GetRenderTargetItem();
RHISetRenderTarget(DestRenderTarget.TargetableTexture, FTextureRHIRef());
RHIClear(true, FLinearColor(1,1,0,1), false, 0.0f, false, 0, FIntRect());
RHISetBlendState(TStaticBlendState<>::GetRHI());
RHISetRasterizerState(TStaticRasterizerState<>::GetRHI());
RHISetDepthStencilState(TStaticDepthStencilState<false,CF_Always>::GetRHI());
FIntPoint RTExtent = GSceneRenderTargets.GetBufferSizeXY();
FVector2D Tex00 = FVector2D(0, 0);
FVector2D Tex11 = FVector2D(1, 1);
uint32 LocalVisualizeTextureInputMapping = UVInputMapping;
if(!Desc.Is2DTexture())
{
LocalVisualizeTextureInputMapping = 1;
}
// set UV
switch(LocalVisualizeTextureInputMapping)
{
// UV in left top
case 0:
Tex11 = FVector2D((float)ViewRect.Width() / RTExtent.X, (float)ViewRect.Height() / RTExtent.Y);
break;
// whole texture
default:
break;
}
bool bIsDefault = StencilSRVSrc == GBlackTexture->TextureRHI;
bool bDepthStencil = Desc.Is2DTexture() && Desc.Format == PF_DepthStencil;
//clear if this is a new different Stencil buffer, or it's not a stencil buffer and we haven't switched to the default yet.
bool bNeedsClear = bDepthStencil && (StencilSRVSrc != RenderTargetItem.TargetableTexture);
bNeedsClear |= !bDepthStencil && !bIsDefault;
if (bNeedsClear)
{
StencilSRVSrc = nullptr;
StencilSRV.SafeRelease();
}
//always set something into the StencilSRV slot for platforms that require a full resource binding, even if
//dynamic branching will cause them not to be used.
if(bDepthStencil && !StencilSRVSrc)
{
StencilSRVSrc = RenderTargetItem.TargetableTexture;
StencilSRV = RHICreateShaderResourceView((FTexture2DRHIRef&) RenderTargetItem.TargetableTexture, 0, 1, PF_X24_G8);
}
else if(!StencilSRVSrc)
{
StencilSRVSrc = GBlackTexture->TextureRHI;
StencilSRV = RHICreateShaderResourceView((FTexture2DRHIRef&) GBlackTexture->TextureRHI, 0, 1, PF_B8G8R8A8);
}
FVisualizeTextureData VisualizeTextureData(RenderTargetItem, Desc);
bool bDepthTexture = (Desc.TargetableFlags & TexCreate_DepthStencilTargetable) != 0;
VisualizeTextureData.RGBMul = RGBMul;
VisualizeTextureData.AMul = AMul;
VisualizeTextureData.Tex00 = Tex00;
VisualizeTextureData.Tex11 = Tex11;
VisualizeTextureData.bSaturateInsteadOfFrac = (Flags & 1) != 0;
VisualizeTextureData.InputValueMapping = bDepthTexture ? 1 : 0;
VisualizeTextureData.ArrayIndex = ArrayIndex;
VisualizeTextureData.CustomMip = CustomMip;
//.........这里部分代码省略.........