Method copy

src/device/vulkan/vulkan_buffer.cpp:329–356

}

void vulkan_buffer::copy(const device_queue& cqueue, const device_buffer& src,
						 const size_t size_, const size_t src_offset, const size_t dst_offset) {
	if(buffer == nullptr) return;
	
	const size_t src_size = src.get_size();
	const size_t copy_size = (size_ == 0 ? std::min(src_size, size) : size_);
	if(!copy_check(size, src_size, copy_size, dst_offset, src_offset)) return;
	
	const auto& vk_queue = (const vulkan_queue&)cqueue;
	VK_CMD_BLOCK_RET(vk_queue, "buffer zero", ({
		const VkBufferCopy2 region {
			.sType = VK_STRUCTURE_TYPE_BUFFER_COPY_2,
			.pNext = nullptr,
			.srcOffset = src_offset,
			.dstOffset = dst_offset,
			.size = copy_size,
		};
		const VkCopyBufferInfo2 info {
			.sType = VK_STRUCTURE_TYPE_COPY_BUFFER_INFO_2,
			.pNext = nullptr,
			.srcBuffer = ((const vulkan_buffer&)src).buffer,
			.dstBuffer = buffer,
			.regionCount = 1,
			.pRegions = &region,
		};
		vkCmdCopyBuffer2(block_cmd_buffer.cmd_buffer, &info);
	}), , true /* always blocking */);
}

bool vulkan_buffer::fill(const device_queue& cqueue,
						 const void* pattern, const size_t& pattern_size,