Add support for Linux GPU info with Vulkan backend

1. Add support for Linux GPU info with vulkan backend: for dev board without PCI support, try vulkan backend to get GPU info. 2. Fix getVulkanInstance() issue when loading non-exist lib: return NULL instance if open lib failed. Bug: angleproject:5717 Change-Id: I03c11da25a8787496d098f6c9d6b4c53701383e4 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2734375Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Jamie Madill <jmadill@chromium.org>

Add support for Linux GPU info with Vulkan backend
5c09c1f8 · Xiaoxuan Liu · Commit Bot · 54294c9a · 5c09c1f8 · 5c09c1f8
Commit 5c09c1f8 authored Mar 03, 2021 by Xiaoxuan Liu Committed by Commit Bot Mar 04, 2021
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SystemInfo_linux.cpp src/gpu_info_util/SystemInfo_linux.cpp +2 -1

SystemInfo_vulkan.cpp src/gpu_info_util/SystemInfo_vulkan.cpp +10 -1

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--- a/src/gpu_info_util/SystemInfo_linux.cpp
+++ b/src/gpu_info_util/SystemInfo_linux.cpp
@@ -73,7 +73,8 @@ bool GetSystemInfo(SystemInfo *info)
 {
    if (!GetPCIDevicesWithLibPCI(&(info->gpus)))
    {
-        return false;
+        // Try vulkan backend to get GPU info
+        return GetSystemInfoVulkan(info);
    }
    if (info->gpus.size() == 0)

--- a/src/gpu_info_util/SystemInfo_vulkan.cpp
+++ b/src/gpu_info_util/SystemInfo_vulkan.cpp
@@ -49,7 +49,16 @@ class VulkanLibrary final : NonCopyable
        {
            mLibVulkan = OpenSharedLibraryWithExtension(libraryName);
            if (mLibVulkan)
-                break;
+            {
+                if (mLibVulkan->getNative())
+                {
+                    break;
+                }
+                else
+                {
+                    SafeDelete(mLibVulkan);
+                }
+            }
        }
        if (!mLibVulkan)