commit 9ef858e49b3ad535b2b17954541272ca205a0469
author Lingfeng Yang <lfy@google.com> Thu Sep 09 10:57:00 2021 -0700
committer Lingfeng Yang <lfy@google.com> Fri Sep 10 18:52:35 2021 +0000
tree 7436a747457fb4bc78daf8f0c5c3c858cb6fb072
parent 6b747dc9231ce7997792ec02c4d0f135867d6d91

Disable timeline semaphores for now on Android

NV drivers have a recent regression that makes them lock up

Bug: 189960236
Change-Id: Ia4ffe42bff26baf8a3760b227d6f003d88c7b133

system/vulkan_enc/ResourceTracker.cpp

diff --git a/system/vulkan_enc/ResourceTracker.cpp b/system/vulkan_enc/ResourceTracker.cpp
index b6efe1a..dd3a475 100644
--- a/system/vulkan_enc/ResourceTracker.cpp
+++ b/system/vulkan_enc/ResourceTracker.cpp
@@ -1331,7 +1331,11 @@
             "VK_KHR_image_format_list",
             "VK_KHR_sampler_ycbcr_conversion",
             "VK_KHR_shader_float16_int8",
+            // Timeline semaphores buggy in newer NVIDIA drivers
+            // (vkWaitSemaphoresKHR causes further vkCommandBuffer dispatches to deadlock)
+#ifndef VK_USE_PLATFORM_ANDROID_KHR
             "VK_KHR_timeline_semaphore",
+#endif
             "VK_AMD_gpu_shader_half_float",
             "VK_NV_shader_subgroup_partitioned",
             "VK_KHR_shader_subgroup_extended_types",