GVR Android SDK v1.101.0

Author: cyisrael

apks/controller_emulator.apk

@@ -33,13 +33,13 @@ task clean(type: Delete) {
 // The dependencies for NDK builds live inside the .aar files so they need to
 // be extracted before NDK targets can build.
 task extractAudioSo(type: Copy) {
-    from zipTree("${project.rootDir}/libraries/sdk-audio-1.100.0.aar")
+    from zipTree("${project.rootDir}/libraries/sdk-audio-1.101.0.aar")
     into "${project.rootDir}/libraries/"
     include "jni/**/libgvr_audio.so"
 }
 
 task extractGvrSo(type: Copy) {
-    from zipTree("${project.rootDir}/libraries/sdk-base-1.100.0.aar")
+    from zipTree("${project.rootDir}/libraries/sdk-base-1.101.0.aar")
     into "${project.rootDir}/libraries/"
     include "jni/**/libgvr.so"
 }

build.gradle

@@ -775,6 +775,23 @@ gvr_sizei gvr_frame_get_buffer_size(const gvr_frame* frame, int32_t index);
 ///     submitted.
 int32_t gvr_frame_get_framebuffer_object(const gvr_frame* frame, int32_t index);
 
+/// Gets the hardware buffer backing the specified frame buffer.
+///
+/// Hardware buffers (Android NDK type AHardwareBuffer) are used to back frames
+/// if asynchronous reprojection is enabled and GVR_FEATURE_HARDWARE_BUFFERS is
+/// supported (currently on Android O and later Android versions). See the
+/// documentation for the feature enum value for further information.
+///
+/// There is no need to acquire or release the AHardwareBuffer. The swap chain
+/// maintains a reference to it while the frame is acquired.
+///
+/// @param frame The gvr_frame from which to obtain the buffer.
+/// @param index Index of the pixel buffer.
+/// @return Pointer to AHardwareBuffer backing the frame's pixel buffer where
+///     available, or NULL otherwise.
+AHardwareBuffer* gvr_frame_get_hardware_buffer(const gvr_frame* frame,
+                                               int32_t index);
+
 /// Submits the frame for distortion and display on the screen. The passed
 /// pointer is nulled to prevent reuse.
 ///
@@ -1273,10 +1290,15 @@ class Frame : public WrapperBase<gvr_frame> {
   }
 
   /// For more information, see gvr_frame_get_framebuffer_object().
-  int32_t GetFramebufferObject(int32_t index) {
+  int32_t GetFramebufferObject(int32_t index) const {
     return gvr_frame_get_framebuffer_object(cobj(), index);
   }
 
+  /// For more information, see gvr_frame_get_hardware_buffer().
+  void* GetHardwareBuffer(int32_t index) const {
+    return gvr_frame_get_hardware_buffer(cobj(), index);
+  }
+
   /// For more information, see gvr_frame_submit().
   void Submit(const BufferViewportList& viewport_list,
               const Mat4f& head_space_from_start_space) {

libraries/headers/vr/gvr/capi/include/gvr.h

@@ -72,6 +72,15 @@ typedef enum {
   /// Support for providing head poses with 6 degrees-of-freedom (orientation
   /// and position).
   GVR_FEATURE_HEAD_POSE_6DOF = 3,
+  /// Indicates that buffers which are part of a frame are backed by Android
+  /// AHardwareBuffer objects. When this feature is available, the function
+  /// gvr_frame_get_hardware_buffer can be called to get the AHardwareBuffer
+  /// pointer.
+  /// Hardware buffers are only supported on Android O and later, on a
+  /// best-effort basis. Future versions of GVR and/or Android may also cease to
+  /// support hardware buffers if the underlying implementation no longer
+  /// supports this rendering path.
+  GVR_FEATURE_HARDWARE_BUFFERS = 4,
 } gvr_feature;
 
 /// @}
@@ -682,6 +691,9 @@ typedef enum {
 
 /// @}
 
+// Forward declaration of Android AHardwareBuffer.
+typedef struct AHardwareBuffer AHardwareBuffer;
+
 #ifdef __cplusplus
 }  // extern "C"
 #endif

libraries/headers/vr/gvr/capi/include/gvr_types.h

@@ -4,7 +4,7 @@
 
   <groupId>com.google.vr</groupId>
   <artifactId>sdk-audio</artifactId>
-  <version>1.100.0</version>
+  <version>1.101.0</version>
   <packaging>aar</packaging>
 
   <name>Google VR SDK-Audio</name>
@@ -19,7 +19,7 @@
       <groupId>com.google.vr</groupId>
       <artifactId>sdk-base</artifactId>
       <type>aar</type>
-      <version>1.100.0</version>
+      <version>1.101.0</version>
     </dependency>
   </dependencies>
 </project>

libraries/sdk-audio-1.100.0.aar renamed to libraries/sdk-audio-1.101.0.aar

@@ -4,7 +4,7 @@
 
   <groupId>com.google.vr</groupId>
   <artifactId>sdk-base</artifactId>
-  <version>1.100.0</version>
+  <version>1.101.0</version>
   <packaging>aar</packaging>
 
   <name>Google VR SDK-Base</name>
@@ -19,7 +19,7 @@
       <groupId>com.google.vr</groupId>
       <artifactId>sdk-common</artifactId>
       <type>aar</type>
-      <version>1.100.0</version>
+      <version>1.101.0</version>
     </dependency>
   </dependencies>
 </project>