From 6899cd2b6e5bb30cff7bbf09053f73eb035d9b72 Mon Sep 17 00:00:00 2001
From: Jason Ekstrand <jason.ekstrand@collabora.com>
Date: Wed, 4 May 2022 22:55:26 -0500
Subject: [PATCH] vulkan: Start collecting enabled features in vk_device

We're not trying to make this 100% complete.  For now, all we care about
is robustBufferAccess.

Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16276>
---
 src/vulkan/runtime/vk_device.c | 27 +++++++++++++++++++++++++++
 src/vulkan/runtime/vk_device.h |  4 ++++
 2 files changed, 31 insertions(+)

diff --git a/src/vulkan/runtime/vk_device.c b/src/vulkan/runtime/vk_device.c
index a9c19154533..a74c4c3ee48 100644
--- a/src/vulkan/runtime/vk_device.c
+++ b/src/vulkan/runtime/vk_device.c
@@ -75,6 +75,31 @@ get_timeline_mode(struct vk_physical_device *physical_device)
    return VK_DEVICE_TIMELINE_MODE_ASSISTED;
 }
 
+static void
+collect_enabled_features(struct vk_device *device,
+                         const VkDeviceCreateInfo *pCreateInfo)
+{
+   if (pCreateInfo->pEnabledFeatures) {
+      if (pCreateInfo->pEnabledFeatures->robustBufferAccess)
+         device->enabled_features.robustBufferAccess = true;
+   }
+
+   vk_foreach_struct_const(ext, pCreateInfo->pNext) {
+      switch (ext->sType) {
+      case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2: {
+         const VkPhysicalDeviceFeatures2 *features = (const void *)ext;
+         if (features->features.robustBufferAccess)
+            device->enabled_features.robustBufferAccess = true;
+         break;
+      }
+
+      default:
+         /* Don't warn */
+         break;
+      }
+   }
+}
+
 VkResult
 vk_device_init(struct vk_device *device,
                struct vk_physical_device *physical_device,
@@ -131,6 +156,8 @@ vk_device_init(struct vk_device *device,
    if (result != VK_SUCCESS)
       return result;
 
+   collect_enabled_features(device, pCreateInfo);
+
    p_atomic_set(&device->private_data_next_index, 0);
 
    list_inithead(&device->queues);
diff --git a/src/vulkan/runtime/vk_device.h b/src/vulkan/runtime/vk_device.h
index b45501c2ad8..97b286fc413 100644
--- a/src/vulkan/runtime/vk_device.h
+++ b/src/vulkan/runtime/vk_device.h
@@ -103,6 +103,10 @@ struct vk_device {
    /** Table of enabled extensions */
    struct vk_device_extension_table enabled_extensions;
 
+   struct {
+      bool robustBufferAccess;
+   } enabled_features;
+
    /** Device-level dispatch table */
    struct vk_device_dispatch_table dispatch_table;