Mesa (master): radv: Add external fence support.

[Bas Nieuwenhuizen]

Module: Mesa
Branch: master
Commit: d27aaae4d25f50581525d49df73c2201fbeabefe
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=d27aaae4d25f50581525d49df73c2201fbeabefe

Author: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>
Date:   Tue Nov 28 00:28:14 2017 +0100

radv: Add external fence support.

Reviewed-by: Dave Airlie <airlied at redhat.com>

---

 src/amd/vulkan/radv_device.c      | 20 ++++++++++++++++++++
 src/amd/vulkan/radv_extensions.py |  2 ++
 2 files changed, 22 insertions(+)

diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c
index 94562fda87..a4ec912ff2 100644
--- a/src/amd/vulkan/radv_device.c
+++ b/src/amd/vulkan/radv_device.c
@@ -3793,3 +3793,23 @@ VkResult radv_GetFenceFdKHR(VkDevice _device,
 		return vk_error(VK_ERROR_INVALID_EXTERNAL_HANDLE_KHR);
 	return VK_SUCCESS;
 }
+
+void radv_GetPhysicalDeviceExternalFencePropertiesKHR(
+	VkPhysicalDevice                            physicalDevice,
+	const VkPhysicalDeviceExternalFenceInfoKHR* pExternalFenceInfo,
+	VkExternalFencePropertiesKHR*           pExternalFenceProperties)
+{
+	RADV_FROM_HANDLE(radv_physical_device, pdevice, physicalDevice);
+
+	if (pdevice->rad_info.has_syncobj_wait &&
+	    pExternalFenceInfo->handleType == VK_EXTERNAL_FENCE_HANDLE_TYPE_OPAQUE_FD_BIT_KHR) {
+		pExternalFenceProperties->exportFromImportedHandleTypes = VK_EXTERNAL_FENCE_HANDLE_TYPE_OPAQUE_FD_BIT_KHR;
+		pExternalFenceProperties->compatibleHandleTypes = VK_EXTERNAL_FENCE_HANDLE_TYPE_OPAQUE_FD_BIT_KHR;
+		pExternalFenceProperties->externalFenceFeatures = VK_EXTERNAL_FENCE_FEATURE_EXPORTABLE_BIT_KHR |
+			VK_EXTERNAL_SEMAPHORE_FEATURE_IMPORTABLE_BIT_KHR;
+	} else {
+		pExternalFenceProperties->exportFromImportedHandleTypes = 0;
+		pExternalFenceProperties->compatibleHandleTypes = 0;
+		pExternalFenceProperties->externalFenceFeatures = 0;
+	}
+}
diff --git a/src/amd/vulkan/radv_extensions.py b/src/amd/vulkan/radv_extensions.py
index 3188735ea7..9af941fab3 100644
--- a/src/amd/vulkan/radv_extensions.py
+++ b/src/amd/vulkan/radv_extensions.py
@@ -53,6 +53,8 @@ EXTENSIONS = [
     Extension('VK_KHR_bind_memory2',                      1, True),
     Extension('VK_KHR_dedicated_allocation',              1, True),
     Extension('VK_KHR_descriptor_update_template',        1, True),
+    Extension('VK_KHR_external_fence',                    1, 'device->rad_info.has_syncobj_wait'),
+    Extension('VK_KHR_external_fence_capabilities',       1, True),
     Extension('VK_KHR_external_fence_fd',                 1, 'device->rad_info.has_syncobj_wait'),
     Extension('VK_KHR_external_memory',                   1, True),
     Extension('VK_KHR_external_memory_capabilities',      1, True),