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

Optimize SSAO rendering with depth bounds and half-res depth buffer

Browse Source
This commit is contained in:
Wojtek Figat
2026-01-20 00:22:27 +01:00
parent 877d57681d
commit 192d3d1a8e
8 changed files with 60 additions and 26 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
Source/Engine/Graphics/RenderBuffers.cpp
View File

@@ -83,16 +83,17 @@ GPUTexture* RenderBuffers::RequestHalfResDepth(GPUContext* context)
if (LastFrameHalfResDepth == currentFrame)
return HalfResDepth;
const int32 halfDepthWidth = _width / 2;
const int32 halfDepthHeight = _height / 2;
const int32 halfDepthWidth = (_width + 1) / 2;
const int32 halfDepthHeight = (_height + 1) / 2;
const PixelFormat halfDepthFormat = GPU_DEPTH_BUFFER_PIXEL_FORMAT;
auto tempDesc = GPUTextureDescription::New2D(halfDepthWidth, halfDepthHeight, halfDepthFormat);
if (EnumHasAnyFlags(DepthBuffer->Flags(), GPUTextureFlags::ReadOnlyDepthView))
tempDesc.Flags = GPUTextureFlags::ShaderResource | GPUTextureFlags::DepthStencil | GPUTextureFlags::ReadOnlyDepthView;
LastFrameHalfResDepth = currentFrame;
if (HalfResDepth == nullptr)
{
// Missing buffer
auto tempDesc = GPUTextureDescription::New2D(halfDepthWidth, halfDepthHeight, halfDepthFormat);
tempDesc.Flags = GPUTextureFlags::ShaderResource | GPUTextureFlags::DepthStencil;
HalfResDepth = RenderTargetPool::Get(tempDesc);
RENDER_TARGET_POOL_SET_NAME(HalfResDepth, "HalfResDepth");
}
@@ -100,8 +101,6 @@ GPUTexture* RenderBuffers::RequestHalfResDepth(GPUContext* context)
{
// Wrong size buffer
RenderTargetPool::Release(HalfResDepth);
auto tempDesc = GPUTextureDescription::New2D(halfDepthWidth, halfDepthHeight, halfDepthFormat);
tempDesc.Flags = GPUTextureFlags::ShaderResource | GPUTextureFlags::DepthStencil;
HalfResDepth = RenderTargetPool::Get(tempDesc);
RENDER_TARGET_POOL_SET_NAME(HalfResDepth, "HalfResDepth");
}