C Specification
The VkDisplayPresentInfoKHR structure is defined as:
// Provided by VK_KHR_display_swapchain
typedef struct VkDisplayPresentInfoKHR {
VkStructureType sType;
const void* pNext;
VkRect2D srcRect;
VkRect2D dstRect;
VkBool32 persistent;
} VkDisplayPresentInfoKHR;
Members
-
sTypeis a VkStructureType value identifying this structure. -
pNextisNULLor a pointer to a structure extending this structure. -
srcRectis a rectangular region of pixels to present. It must be a subset of the image being presented. IfVkDisplayPresentInfoKHRis not specified, this region will be assumed to be the entire presentable image. -
dstRectis a rectangular region within the visible region of the swapchain’s display mode. IfVkDisplayPresentInfoKHRis not specified, this region will be assumed to be the entire visible region of the swapchain’s mode. If the specified rectangle is a subset of the display mode’s visible region, content from display planes below the swapchain’s plane will be visible outside the rectangle. If there are no planes below the swapchain’s, the area outside the specified rectangle will be black. If portions of the specified rectangle are outside of the display’s visible region, pixels mapping only to those portions of the rectangle will be discarded. -
persistent: If this isVK_TRUE, the display engine will enable buffered mode on displays that support it. This allows the display engine to stop sending content to the display until a new image is presented. The display will instead maintain a copy of the last presented image. This allows less power to be used, but may increase presentation latency. IfVkDisplayPresentInfoKHRis not specified, persistent mode will not be used.
Description
If the extent of the srcRect and dstRect are not equal, the
presented pixels will be scaled accordingly.
Document Notes
For more information, see the Vulkan Specification
This page is extracted from the Vulkan Specification. Fixes and changes should be made to the Specification, not directly.