From: Alexis Hetu <sugoi@google.com>
Date: Tue, 22 Jan 2019 22:17:27 +0000 (-0500)
Subject: Support for device groups
X-Git-Tag: android-x86-9.0-r1~402
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=5ebd2c0fafca2f0d570ca25605092b5c7aaadd42;p=android-x86%2Fexternal-swiftshader.git

Support for device groups

This cl properly parses VkDeviceGroupDeviceCreateInfo,
but only allows the already supported default case.

Fixes all tests in:
dEQP-VK.api.object_management.*.device_group

Bug b/117974925

Change-Id: I42851f10bb9fc94848414bbd09b65ab8b807ae0e
Reviewed-on: https://swiftshader-review.googlesource.com/c/23968
Tested-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>
---

diff --git a/src/Vulkan/libVulkan.cpp b/src/Vulkan/libVulkan.cpp
index 926a5c376..628565314 100644
--- a/src/Vulkan/libVulkan.cpp
+++ b/src/Vulkan/libVulkan.cpp
@@ -288,6 +288,17 @@ VKAPI_ATTR VkResult VKAPI_CALL vkCreateDevice(VkPhysicalDevice physicalDevice, c
 				}
 			}
 			break;
+		case VK_STRUCTURE_TYPE_DEVICE_GROUP_DEVICE_CREATE_INFO:
+			{
+				const VkDeviceGroupDeviceCreateInfo* groupDeviceCreateInfo = reinterpret_cast<const VkDeviceGroupDeviceCreateInfo*>(extensionCreateInfo);
+
+				if((groupDeviceCreateInfo->physicalDeviceCount != 1) ||
+				   (groupDeviceCreateInfo->pPhysicalDevices[0] != physicalDevice))
+				{
+					return VK_ERROR_FEATURE_NOT_PRESENT;
+				}
+			}
+			break;
 		default:
 			// "the [driver] must skip over, without processing (other than reading the sType and pNext members) any structures in the chain with sType values not defined by [supported extenions]"
 			UNIMPLEMENTED();   // TODO(b/119321052): UNIMPLEMENTED() should be used only for features that must still be implemented. Use a more informational macro here.