Video::Utility Namespace Reference

Utility functions. More...

Functions
uint32_t	FindMemoryType (VkPhysicalDevice physicalDevice, uint32_t typeFilter, VkMemoryPropertyFlags properties)
	Find the memory type to use for a certain allocation. More...
void	CreateBuffer (VkDevice device, VkPhysicalDevice physicalDevice, unsigned int size, VkBufferUsageFlags usage, VkMemoryPropertyFlags memoryProperties, VkBuffer *buffer, VkDeviceMemory *deviceMemory)
	Create a buffer. More...
void	CreateImage2D (VkDevice device, VkPhysicalDevice physicalDevice, const glm::uvec2 &size, uint32_t mipLevels, VkFormat format, VkImageTiling tiling, VkImageUsageFlags usage, VkMemoryPropertyFlags memoryProperties, VkImage *image, VkDeviceMemory *deviceMemory)
	Create a 2D image, allocate and bind device memory to it. More...
void	TransitionImage (VkCommandBuffer commandBuffer, VkImage image, VkImageLayout oldLayout, VkImageLayout newLayout)
	Record transitioning an image into a command buffer. More...

Detailed Description

Utility functions.

Function Documentation

CreateBuffer()

void Video::Utility::CreateBuffer	(	VkDevice	device,
		VkPhysicalDevice	physicalDevice,
		unsigned int	size,
		VkBufferUsageFlags	usage,
		VkMemoryPropertyFlags	memoryProperties,
		VkBuffer *	buffer,
		VkDeviceMemory *	deviceMemory
	)

Create a buffer.

Parameters

device	The Vulkan device.
physicalDevice	The physical device from which to allocate memory.
size	The size of the buffer.
usage	How the buffer will be used.
memoryProperties	Memory properties.
buffer	The output buffer.
deviceMemory	The output device memory.

CreateImage2D()

void Video::Utility::CreateImage2D	(	VkDevice	device,
		VkPhysicalDevice	physicalDevice,
		const glm::uvec2 &	size,
		uint32_t	mipLevels,
		VkFormat	format,
		VkImageTiling	tiling,
		VkImageUsageFlags	usage,
		VkMemoryPropertyFlags	memoryProperties,
		VkImage *	image,
		VkDeviceMemory *	deviceMemory
	)

Create a 2D image, allocate and bind device memory to it.

Parameters

device	The Vulkan device.
physicalDevice	The physical device from which to allocate memory.
size	The image dimensions.
mipLevels	The number of mip levels in the image.
format	The format of the image.
tiling	Image tiling.
usage	How the image will be used.
memoryProperties	Memory properties.
image	The output image.
deviceMemory	The output device memory.

FindMemoryType()

uint32_t Video::Utility::FindMemoryType	(	VkPhysicalDevice	physicalDevice,
		uint32_t	typeFilter,
		VkMemoryPropertyFlags	properties
	)

Find the memory type to use for a certain allocation.

Parameters

physicalDevice	The physical device.
typeFilter	Filter of suitable memory types.
properties	Memory properties.

Returns

The memory type to use.

TransitionImage()

void Video::Utility::TransitionImage	(	VkCommandBuffer	commandBuffer,
		VkImage	image,
		VkImageLayout	oldLayout,
		VkImageLayout	newLayout
	)

Record transitioning an image into a command buffer.

Parameters

commandBuffer	The command buffer to record the transition into.
image	The image to transition.
oldLayout	The old layout of the image.
newLayout	The new layout of the image.