class ShadowMapAtlas

The FidelityFX Cauldron Framework shadow map atlas representation.

File location: framework/cauldron/framework/inc/render/shadowmapresourcepool.h

Construction

Return type

Description

ShadowMapAtlas (uint32_t size, Texture * pRenderTarget)
Construction. Takes a texture to add to the atlast and it’s size (squared).

Methods

Return type

Description

const Texture *

Returns the atlas’s render target “Texture“.

Cell

GetCell (int32_t index) const
Returns the “Cell“ information for the atlas cell corresponding to the requested index.

int32_t

FindBestCell (uint32_t size) const
Returns an index to a cell that can hold the requested size of texture, or -1 if none was found.

int32_t

AllocateCell (uint32_t size, int32_t index)
Allocates a new sub-cell of specified size into the index-defined cell in the shadow atlas.

void

FreeCell (int32_t index)
Frees the specified cell.

Detailed description

The FidelityFX Cauldron Framework shadow map atlas representation.

Construction

ShadowMapAtlas

Copied!

ShadowMapAtlas (uint32_t size, Texture * pRenderTarget)

Construction. Takes a texture to add to the atlast and it’s size (squared).


Methods

GetRenderTarget

Copied!

const Texture * GetRenderTarget () const

Returns the atlas’s render target Texture.


GetCell

Copied!

Cell  GetCell (int32_t index) const

Returns the Cell information for the atlas cell corresponding to the requested index.


FindBestCell

Copied!

int32_t FindBestCell (uint32_t size) const

Returns an index to a cell that can hold the requested size of texture, or -1 if none was found.


AllocateCell

Copied!

int32_t AllocateCell (uint32_t size, int32_t index)

Allocates a new sub-cell of specified size into the index-defined cell in the shadow atlas.


FreeCell

Copied!

void FreeCell (int32_t index)

Frees the specified cell.


Related pages

  • Visit the FidelityFX SDK product page for download links and more information.

Looking for more documentation on GPUOpen?

AMD GPUOpen software blogs

Our handy software release blogs will help you make good use of our tools, SDKs, and effects, as well as sharing the latest features with new releases.

GPUOpen Manuals

Don’t miss our manual documentation! And if slide decks are what you’re after, you’ll find 100+ of our finest presentations here.

AMD GPUOpen Performance Guides

The home of great performance and optimization advice for AMD RDNA™ 2 GPUs, AMD Ryzen™ CPUs, and so much more.

Getting started: AMD GPUOpen software

New or fairly new to AMD’s tools, libraries, and effects? This is the best place to get started on GPUOpen!

AMD GPUOpen Getting Started Development and Performance

Looking for tips on getting started with developing and/or optimizing your game, whether on AMD hardware or generally? We’ve got you covered!

AMD GPUOpen Technical blogs

Browse our technical blogs, and find valuable advice on developing with AMD hardware, ray tracing, Vulkan®, DirectX®, Unreal Engine, and lots more.

Find out more about our software!

AMD GPUOpen Effects - AMD FidelityFX technologies

Create wonder. No black boxes. Meet the AMD FidelityFX SDK!

AMD GPUOpen Samples

Browse all our useful samples. Perfect for when you’re needing to get started, want to integrate one of our libraries, and much more.

AMD GPUOpen developer SDKs

Discover what our SDK technologies can offer you. Query hardware or software, manage memory, create rendering applications or machine learning, and much more!

AMD GPUOpen Developer Tools

Analyze, Optimize, Profile, Benchmark. We provide you with the developer tools you need to make sure your game is the best it can be!