commit b8042d26de26e9212e62518b39147008937c7729
author Chris Forbes <chrisforbes@google.com> Wed Jan 18 18:07:05 2017 +1300
committer Chris Forbes <chrisforbes@google.com> Thu Jan 19 14:50:43 2017 +1300
tree 70d2da10e79e9dbf1ece00cd577490c5562ecbc2
parent b442152d5ac4c1a720ba677a11ae742cd0c7ca39

vulkan: enable shared buffer mode and auto refresh if desired

First turn these off as part of the reset process, then set them based
on the present mode.

Test: build
Change-Id: I81297d6cfcdab1a569cd0c9d57ed3fcb4c534146

vulkan/libvulkan/swapchain.cpp

diff --git a/vulkan/libvulkan/swapchain.cpp b/vulkan/libvulkan/swapchain.cpp
index e39d517..8427d90 100644
--- a/vulkan/libvulkan/swapchain.cpp
+++ b/vulkan/libvulkan/swapchain.cpp
@@ -484,6 +484,20 @@
         return VK_ERROR_INITIALIZATION_FAILED;
     }
 
+    err = native_window_set_shared_buffer_mode(surface.window.get(), false);
+    if (err != 0) {
+        ALOGE("native_window_set_shared_buffer_mode(false) failed: %s (%d)",
+              strerror(-err), err);
+        return VK_ERROR_INITIALIZATION_FAILED;
+    }
+
+    err = native_window_set_auto_refresh(surface.window.get(), false);
+    if (err != 0) {
+        ALOGE("native_window_set_auto_refresh(false) failed: %s (%d)",
+              strerror(-err), err);
+        return VK_ERROR_INITIALIZATION_FAILED;
+    }
+
     // -- Configure the native window --
 
     const auto& dispatch = GetData(device).driver;
@@ -595,6 +609,20 @@
     if (create_info->presentMode == VK_PRESENT_MODE_FRONT_BUFFERED_DEMAND_REFRESH_KHR ||
         create_info->presentMode == VK_PRESENT_MODE_FRONT_BUFFERED_CONTINUOUS_REFRESH_KHR) {
         swapchain_image_usage |= VK_SWAPCHAIN_IMAGE_USAGE_FRONT_BUFFER_BIT_ANDROID;
+
+        err = native_window_set_shared_buffer_mode(surface.window.get(), true);
+        if (err != 0) {
+            ALOGE("native_window_set_shared_buffer_mode failed: %s (%d)", strerror(-err), err);
+            return VK_ERROR_INITIALIZATION_FAILED;
+        }
+    }
+
+    if (create_info->presentMode == VK_PRESENT_MODE_FRONT_BUFFERED_CONTINUOUS_REFRESH_KHR) {
+        err = native_window_set_auto_refresh(surface.window.get(), true);
+        if (err != 0) {
+            ALOGE("native_window_set_auto_refresh failed: %s (%d)", strerror(-err), err);
+            return VK_ERROR_INITIALIZATION_FAILED;
+        }
     }
 
     int gralloc_usage = 0;