learn-vulkan/vk_images.cpp

74 lines
2.1 KiB
C++

#include "vk_images.h"
#include "vk_initializers.h"
void vkutil::transition_image(VkCommandBuffer cmd, VkImage image, VkImageLayout currentLayout, VkImageLayout newLayout)
{
VkImageAspectFlags aspectMask = (newLayout == VK_IMAGE_LAYOUT_DEPTH_ATTACHMENT_OPTIMAL) ? VK_IMAGE_ASPECT_DEPTH_BIT : VK_IMAGE_ASPECT_COLOR_BIT;
VkImageMemoryBarrier2 imageBarrier{
.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER_2,
.srcStageMask = VK_PIPELINE_STAGE_2_ALL_COMMANDS_BIT,
.srcAccessMask = VK_ACCESS_2_MEMORY_WRITE_BIT,
.dstStageMask = VK_PIPELINE_STAGE_2_ALL_COMMANDS_BIT,
.dstAccessMask = VK_ACCESS_2_MEMORY_WRITE_BIT | VK_ACCESS_2_MEMORY_READ_BIT,
.oldLayout = currentLayout,
.newLayout = newLayout,
.image = image,
.subresourceRange = vkinit::image_subresource_range(aspectMask),
};
VkDependencyInfo depInfo{
.sType = VK_STRUCTURE_TYPE_DEPENDENCY_INFO,
.imageMemoryBarrierCount = 1,
.pImageMemoryBarriers = &imageBarrier,
};
vkCmdPipelineBarrier2(cmd, &depInfo);
}
void vkutil::copy_image_to_image(VkCommandBuffer cmd, VkImage source, VkImage destination, VkExtent2D srcSize, VkExtent2D dstSize)
{
VkImageBlit2 blitRegion{
.sType = VK_STRUCTURE_TYPE_IMAGE_BLIT_2,
};
blitRegion.srcSubresource = {
.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.mipLevel = 0,
.baseArrayLayer = 0,
.layerCount = 1,
};
blitRegion.dstSubresource = {
.aspectMask=VK_IMAGE_ASPECT_COLOR_BIT,
.mipLevel=0,
.baseArrayLayer=0,
.layerCount=1,
};
blitRegion.srcOffsets[1] = {
.x = int32_t(srcSize.width),
.y = int32_t(srcSize.height),
.z = 1,
};
blitRegion.dstOffsets[1] = {
.x = int32_t(dstSize.width),
.y = int32_t(dstSize.height),
.z = 1,
};
VkBlitImageInfo2 blitInfo{
.sType = VK_STRUCTURE_TYPE_BLIT_IMAGE_INFO_2,
.srcImage = source,
.srcImageLayout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
.dstImage = destination,
.dstImageLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
.regionCount = 1,
.pRegions = &blitRegion,
.filter = VK_FILTER_LINEAR,
};
vkCmdBlitImage2(cmd, &blitInfo);
}