xrt::state_trackers::openvr::SwapchainCache Struct Reference

Since eye textures are created by the clients, and not the runtime, we have to do a copy into a runtime-owned swapchain, this structure cached created swapchains to avoid creating a new one every frame. More...

#include <openvr/compositor/openvr_compositor.hpp>

Collaboration diagram for xrt::state_trackers::openvr::SwapchainCache:

Public Member Functions
xrt_result_t	EnsureSwapchain (xrt_compositor *xc, uint32_t storage_format, uint32_t sample_format, uint32_t width, uint32_t height, xrt_swapchain_usage_bits usage_bits, xrt_swapchain_create_flags flags)
	Ensures that there is a swapchain in the cache with the given properties, creating one if necessary.
void	Reset ()
	Resets the internal state of the cache, releasing any swapchain it holds.

Data Fields
xrt_swapchain *	xsc {nullptr}
uint32_t	width {0}
uint32_t	height {0}
uint32_t	storage_format {0}
uint32_t	sample_format {0}

Detailed Description

Since eye textures are created by the clients, and not the runtime, we have to do a copy into a runtime-owned swapchain, this structure cached created swapchains to avoid creating a new one every frame.

Member Function Documentation

EnsureSwapchain()

xrt_result_t xrt::state_trackers::openvr::SwapchainCache::EnsureSwapchain	(	xrt_compositor *	xc,
		uint32_t	storage_format,
		uint32_t	sample_format,
		uint32_t	width,
		uint32_t	height,
		xrt_swapchain_usage_bits	usage_bits,
		xrt_swapchain_create_flags	flags
	)

Ensures that there is a swapchain in the cache with the given properties, creating one if necessary.

References XRT_ERROR_INVALID_ARGUMENT, XRT_SUCCESS, and XRT_SWAPCHAIN_CREATE_SAMPLE_AS_SRGB.

Reset()

void xrt::state_trackers::openvr::SwapchainCache::Reset

(

)

Resets the internal state of the cache, releasing any swapchain it holds.

---

The documentation for this struct was generated from the following files:

• state_trackers/openvr/compositor/openvr_compositor.hpp
• state_trackers/openvr/compositor/openvr_compositor.cpp