vk_cmd.c File Reference

#include "vk_local.h"

Go to the source code of this file.

Functions
VkResult	QVk_BeginCommand (const VkCommandBuffer *commandBuffer)
void	QVk_SubmitCommand (const VkCommandBuffer *commandBuffer, const VkQueue *queue)
VkResult	QVk_CreateCommandPool (VkCommandPool *commandPool, uint32_t queueFamilyIndex)
VkCommandBuffer	QVk_CreateCommandBuffer (const VkCommandPool *commandPool, VkCommandBufferLevel level)

Function Documentation

QVk_BeginCommand()

VkResult QVk_BeginCommand

(

const VkCommandBuffer *

commandBuffer

)

Definition at line 23 of file vk_cmd.c.

{
    VkCommandBufferBeginInfo cmdInfo = {
        .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
        .pNext = NULL,
        .flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT,
        .pInheritanceInfo = NULL
    };
 
    return vkBeginCommandBuffer(*commandBuffer, &cmdInfo);
}

Referenced by copyBuffer(), CreateStagingBuffers(), and QVk_ReadPixels().

QVk_CreateCommandBuffer()

VkCommandBuffer QVk_CreateCommandBuffer	(	const VkCommandPool *	commandPool,
		VkCommandBufferLevel	level
	)

Definition at line 78 of file vk_cmd.c.

{
    VkCommandBuffer commandBuffer = VK_NULL_HANDLE;
    VkCommandBufferAllocateInfo allocInfo = {
        .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO,
        .pNext = NULL,
        .commandPool = *commandPool,
        .level = level,
        .commandBufferCount = 1
    };
 
    VK_VERIFY(vkAllocateCommandBuffers(vk_device.logical, &allocInfo, &commandBuffer));
    return commandBuffer;
}

Referenced by copyBuffer(), CreateStagingBuffers(), and QVk_ReadPixels().

QVk_CreateCommandPool()

VkResult QVk_CreateCommandPool	(	VkCommandPool *	commandPool,
		uint32_t	queueFamilyIndex
	)

Definition at line 65 of file vk_cmd.c.

{
    VkCommandPoolCreateInfo cpCreateInfo = {
        .sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO,
        .pNext = NULL,
        // allow the command pool to be explicitly reset without reallocating it manually during recording each frame
        .flags = VK_COMMAND_POOL_CREATE_TRANSIENT_BIT | VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT,
        .queueFamilyIndex = queueFamilyIndex
    };
 
    return vkCreateCommandPool(vk_device.logical, &cpCreateInfo, NULL, commandPool);
}

Referenced by CreateStagingBuffers(), and QVk_Init().

QVk_SubmitCommand()

void QVk_SubmitCommand	(	const VkCommandBuffer *	commandBuffer,
		const VkQueue *	queue
	)

Definition at line 35 of file vk_cmd.c.

{
    VK_VERIFY(vkEndCommandBuffer(*commandBuffer));
 
    VkSubmitInfo submitInfo = {
        .sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
        .pNext = NULL,
        .waitSemaphoreCount = 0,
        .pWaitSemaphores = NULL,
        .pWaitDstStageMask = NULL,
        .commandBufferCount = 1,
        .pCommandBuffers = commandBuffer,
        .signalSemaphoreCount = 0,
        .pSignalSemaphores = NULL
    };
 
    VkFenceCreateInfo fCreateInfo = {
        .sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO,
        .pNext = NULL,
        .flags = 0
    };
 
    VkFence queueFence;
    VK_VERIFY(vkCreateFence(vk_device.logical, &fCreateInfo, NULL, &queueFence));
    VK_VERIFY(vkQueueSubmit(*queue, 1, &submitInfo, queueFence));
    VK_VERIFY(vkWaitForFences(vk_device.logical, 1, &queueFence, VK_TRUE, UINT64_MAX));
 
    vkDestroyFence(vk_device.logical, queueFence, NULL);
}

Referenced by copyBuffer(), and QVk_ReadPixels().