Function UtilImageToImage

source/emulator/src/Graphics/Utils.cpp:186–228

}

void UtilImageToImage(CommandBuffer* buffer, const Vector<ImageImageCopy>& regions, VulkanImage* dst_image, uint64_t dst_layout)
{
	EXIT_IF(dst_image == nullptr);
	EXIT_IF(dst_image->image == nullptr);

	auto* vk_buffer = buffer->GetPool()->buffers[buffer->GetIndex()];

	EXIT_NOT_IMPLEMENTED(regions.Size() >= 16);

	set_image_layout(vk_buffer, dst_image, 0, VK_REMAINING_MIP_LEVELS, VK_IMAGE_ASPECT_COLOR_BIT, VK_IMAGE_LAYOUT_UNDEFINED,
	                 VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);

	for (const auto& r: regions)
	{
		VkImageCopy region;

		auto src_layout = r.src_image->layout;

		region.srcSubresource.aspectMask     = VK_IMAGE_ASPECT_COLOR_BIT;
		region.srcSubresource.mipLevel       = r.src_level;
		region.srcSubresource.baseArrayLayer = 0;
		region.srcSubresource.layerCount     = 1;
		region.srcOffset                     = {r.src_x, r.src_y, 0};
		region.dstSubresource.aspectMask     = VK_IMAGE_ASPECT_COLOR_BIT;
		region.dstSubresource.mipLevel       = r.dst_level;
		region.dstSubresource.baseArrayLayer = 0;
		region.dstSubresource.layerCount     = 1;
		region.dstOffset                     = {r.dst_x, r.dst_y, 0};
		region.extent                        = {r.width, r.height, 1};

		set_image_layout(vk_buffer, r.src_image, r.src_level, 1, VK_IMAGE_ASPECT_COLOR_BIT, src_layout,
		                 VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);

		vkCmdCopyImage(vk_buffer, r.src_image->image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, dst_image->image,
		               VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &region);

		set_image_layout(vk_buffer, r.src_image, r.src_level, 1, VK_IMAGE_ASPECT_COLOR_BIT, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
		                 src_layout);
	}

	set_image_layout(vk_buffer, dst_image, 0, VK_REMAINING_MIP_LEVELS, VK_IMAGE_ASPECT_COLOR_BIT, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
	                 static_cast<VkImageLayout>(dst_layout));
}

void UtilBlitImage(CommandBuffer* buffer, VulkanImage* src_image, VulkanSwapchain* dst_swapchain)
{