From 4982a145415a43d29117e051f199c49e8374efcb Mon Sep 17 00:00:00 2001
From: Christoph Haag <christoph.haag@collabora.com>
Date: Tue, 31 Aug 2021 03:11:36 +0200
Subject: [PATCH] aux/vk: Add Tegra detection

---
 src/xrt/auxiliary/vk/vk_helpers.c | 6 ++++++
 src/xrt/auxiliary/vk/vk_helpers.h | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/src/xrt/auxiliary/vk/vk_helpers.c b/src/xrt/auxiliary/vk/vk_helpers.c
index 3c96fabb6..b01295243 100644
--- a/src/xrt/auxiliary/vk/vk_helpers.c
+++ b/src/xrt/auxiliary/vk/vk_helpers.c
@@ -1061,6 +1061,12 @@ vk_select_physical_device(struct vk_bundle *vk, int forced_index)
 	snprintf(title, 20, "Selected GPU: %d\n", gpu_index);
 	vk_print_device_info_debug(vk, &pdp, gpu_index, title);
 
+	char *tegra_substr = strstr(pdp.deviceName, "Tegra");
+	if (tegra_substr) {
+		vk->is_tegra = true;
+		VK_DEBUG(vk, "Detected Tegra, using Tegra specific workarounds!");
+	}
+
 	// Fill out the device memory props as well.
 	vk->vkGetPhysicalDeviceMemoryProperties(vk->physical_device, &vk->device_memory_props);
 
diff --git a/src/xrt/auxiliary/vk/vk_helpers.h b/src/xrt/auxiliary/vk/vk_helpers.h
index 92830cc87..a6eaae58f 100644
--- a/src/xrt/auxiliary/vk/vk_helpers.h
+++ b/src/xrt/auxiliary/vk/vk_helpers.h
@@ -52,6 +52,8 @@ struct vk_bundle
 	bool has_EXT_global_priority;
 	bool has_VK_EXT_robustness2;
 
+	bool is_tegra;
+
 	VkDebugReportCallbackEXT debug_report_cb;
 
 	VkPhysicalDeviceMemoryProperties device_memory_props;