mgpu.c File Reference

#include "vkpt.h"

Go to the source code of this file.

Functions
void	vkpt_image_copy (VkCommandBuffer cmd_buf, int src_image_index, int dst_image_index, VkOffset2D src_offset, VkOffset2D dst_offset, VkExtent2D size)

Function Documentation

vkpt_image_copy()

void vkpt_image_copy	(	VkCommandBuffer	cmd_buf,
		int	src_image_index,
		int	dst_image_index,
		VkOffset2D	src_offset,
		VkOffset2D	dst_offset,
		VkExtent2D	size
	)

Definition at line 111 of file mgpu.c.

{
    VkImageSubresourceRange subresource_range = {
        .aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
        .baseMipLevel = 0,
        .levelCount = 1,
        .baseArrayLayer = 0,
        .layerCount = 1
    };
 
    VkImageSubresourceLayers subresource_layers = {
        .aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
        .mipLevel = 0,
        .baseArrayLayer = 0,
        .layerCount = 1
    };
 
    VkImageCopy copy_region = {
        .srcSubresource = subresource_layers,
        .srcOffset.x = src_offset.x,
        .srcOffset.y = src_offset.y,
        .srcOffset.z = 0,
        .dstSubresource = subresource_layers,
        .dstOffset.x = dst_offset.x,
        .dstOffset.y = dst_offset.y,
        .dstOffset.z = 0,
        .extent.width = size.width,
        .extent.height = size.height,
        .extent.depth = 1
    };
 
    VkMemoryBarrier mem_barrier = {
        .sType = VK_STRUCTURE_TYPE_MEMORY_BARRIER,
        .pNext = NULL,
        .srcAccessMask = VK_ACCESS_MEMORY_READ_BIT | VK_ACCESS_MEMORY_WRITE_BIT,
        .dstAccessMask = VK_ACCESS_MEMORY_READ_BIT | VK_ACCESS_MEMORY_WRITE_BIT,
    };
 
    vkCmdPipelineBarrier(cmd_buf,
        VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
        0,
        1, &mem_barrier,
        0, NULL,
        0, NULL);
 
    vkCmdCopyImage(cmd_buf,
        qvk.images[src_image_index], VK_IMAGE_LAYOUT_GENERAL,
        qvk.images[dst_image_index], VK_IMAGE_LAYOUT_GENERAL,
        1, &copy_region);
}