Dedicated Allocation Vulkan Sample

Category: Vulkan

Min PC GPU: GeForce Kepler-class

Min Tegra Device: Tegra K1

@ GitHub: Dedicated Allocation Vulkan Sample Source Code

Description

This sample demonstrates how to use the VK_NV_dedicated_allocation extension for images

APIs Used

Vulkan 1.0
VK_NV_dedicated_allocation

Shared User Interface

The Graphics samples all share a common app framework and certain user interface elements, centered around the "Tweakbar" panel on the left side of the screen which lets you interactively control certain variables in each sample.

To show and hide the Tweakbar, simply click or touch the triangular button positioned in the top-left of the view.

Other controls are listed below.

Device	Input	Result
keyboard	Esc	Quit the application
	Tab	Toggle TweakBar visibility
gamepad	Start	Toggle TweakBar visibility
	A	Show TweakBar, Toggle Focused Item
	B	Close Focused UI, Hide TweakBar
	DPAD Up/Down	Move Focus to Prev/Next Item
	DPAD Left/Right	Decrease/Increase Focused Item

App-Specific Controls

This sample has the following app-specific controls:

Device	Input	Result
keyboard	M	Select render mode
gamepad	Y	Select render mode

Technical Details

Dedicated Allocation Vulkan Sample

This sample accompanies an article on the GameWorks developer blog and illustrates how to use the VK_NV_dedicated_allocation extension to bind an image to a dedicated memory allocation which allows further optimizations.

At startup, the sample allocates two images using one with a dedicated allocation and one with a regular allocation. In the frame loop, it renders a triangle into the active image and then uses vkCmdBlitImage to blit it to the screen for final display.

Adjustable Options

The TweakBar features the following options you can adjust:

Render mode
- regular allocations
- dedicated allocations