From 67d911b76f9aba1b1c196af65a89d7dda435b924 Mon Sep 17 00:00:00 2001
From: Pablo Escobar <mail@rvrs.in>
Date: Mon, 21 Dec 2020 13:51:01 +0100
Subject: [PATCH] add support for getting buffer address
(VK_KHR_buffer_device_address)
---
liblava/resource/buffer.cpp | 12 ++++++++++++
liblava/resource/buffer.hpp | 1 +
2 files changed, 13 insertions(+)
diff --git a/liblava/resource/buffer.cpp b/liblava/resource/buffer.cpp
index fe5ec219..85dd957a 100644
--- a/liblava/resource/buffer.cpp
+++ b/liblava/resource/buffer.cpp
@@ -105,6 +105,18 @@ namespace lava {
device = nullptr;
}
+ VkDeviceAddress buffer::get_address() const {
+ if (device->call().vkGetBufferDeviceAddressKHR) {
+ VkBufferDeviceAddressInfoKHR addr_info{
+ .sType = VK_STRUCTURE_TYPE_BUFFER_DEVICE_ADDRESS_INFO_KHR,
+ .buffer = vk_buffer
+ };
+ return device->call().vkGetBufferDeviceAddressKHR(device->get(), &addr_info);
+ } else {
+ return 0;
+ }
+ }
+
void buffer::flush(VkDeviceSize offset, VkDeviceSize size) {
vmaFlushAllocation(device->alloc(), allocation, offset, size);
}
diff --git a/liblava/resource/buffer.hpp b/liblava/resource/buffer.hpp
index 67e58e70..0a323c07 100644
--- a/liblava/resource/buffer.hpp
+++ b/liblava/resource/buffer.hpp
@@ -45,6 +45,7 @@ namespace lava {
return get_descriptor();
}
+ VkDeviceAddress get_address() const;
VkDeviceSize get_size() const {
return allocation_info.size;
}
--
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