From 32a6bd021c825ba15d4b63304ba875d1171199ed Mon Sep 17 00:00:00 2001
From: twinaphex <libretro@gmail.com>
Date: Mon, 22 Mar 2021 15:46:34 +0100
Subject: [PATCH] Prevent 'may be used uninitialized' warning

---
 gfx/drivers/vulkan.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/gfx/drivers/vulkan.c b/gfx/drivers/vulkan.c
index 372eb5f811..4f9b5720c2 100644
--- a/gfx/drivers/vulkan.c
+++ b/gfx/drivers/vulkan.c
@@ -1593,6 +1593,13 @@ static void vulkan_readback(vk_t *vk)
    struct video_viewport vp;
    VkMemoryBarrier barrier;
 
+   vp.x                                   = 0;
+   vp.y                                   = 0;
+   vp.width                               = 0;
+   vp.height                              = 0;
+   vp.full_width                          = 0;
+   vp.full_height                         = 0;
+
    vulkan_viewport_info(vk, &vp);
 
    region.bufferOffset                    = 0;