Mesa (master): anv: check support for enabled features in vkCreateDevice()

[Samuel Iglesias Gonsálvez]

Module: Mesa
Branch: master
Commit: 5dd96b1156e25e10d649d49377df02763fcd45a5
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=5dd96b1156e25e10d649d49377df02763fcd45a5

Author: Samuel Iglesias Gonsálvez <siglesias at igalia.com>
Date:   Wed Jun 28 15:52:34 2017 +0200

anv: check support for enabled features in vkCreateDevice()

>From Vulkan spec, 4.2.1. "Device Creation":

  "vkCreateDevice verifies that extensions and features requested in
   the ppEnabledExtensionNames and pEnabledFeatures members of
   pCreateInfo, respectively, are supported by the implementation."

Signed-off-by: Samuel Iglesias Gonsálvez <siglesias at igalia.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin at gmail.com>

---

 src/intel/vulkan/anv_device.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/intel/vulkan/anv_device.c b/src/intel/vulkan/anv_device.c
index cbdcc4d6d6..3dc55dbb8d 100644
--- a/src/intel/vulkan/anv_device.c
+++ b/src/intel/vulkan/anv_device.c
@@ -1130,6 +1130,19 @@ VkResult anv_CreateDevice(
          return vk_error(VK_ERROR_EXTENSION_NOT_PRESENT);
    }
 
+   /* Check enabled features */
+   if (pCreateInfo->pEnabledFeatures) {
+      VkPhysicalDeviceFeatures supported_features;
+      anv_GetPhysicalDeviceFeatures(physicalDevice, &supported_features);
+      VkBool32 *supported_feature = (VkBool32 *)&supported_features;
+      VkBool32 *enabled_feature = (VkBool32 *)pCreateInfo->pEnabledFeatures;
+      unsigned num_features = sizeof(VkPhysicalDeviceFeatures) / sizeof(VkBool32);
+      for (uint32_t i = 0; i < num_features; i++) {
+         if (enabled_feature[i] && !supported_feature[i])
+            return vk_error(VK_ERROR_FEATURE_NOT_PRESENT);
+      }
+   }
+
    device = vk_alloc2(&physical_device->instance->alloc, pAllocator,
                        sizeof(*device), 8,
                        VK_SYSTEM_ALLOCATION_SCOPE_DEVICE);