Add dvrBufferGlobalLayoutVersion which returns the version number for
the global buffers.
Bug: 62228826
Test: dvrBufferGlobalLayoutVersion == kSharedBufferLayoutVersion
Change-Id: I08eaca128ea5c84739924ab839651088e10c65bc
diff --git a/libs/vr/libdvr/dvr_buffer.cpp b/libs/vr/libdvr/dvr_buffer.cpp
index 82469b8..4d9b215 100644
--- a/libs/vr/libdvr/dvr_buffer.cpp
+++ b/libs/vr/libdvr/dvr_buffer.cpp
@@ -1,6 +1,7 @@
#include "include/dvr/dvr_buffer.h"
#include <android/hardware_buffer.h>
+#include <dvr/dvr_shared_buffers.h>
#include <private/dvr/buffer_hub_client.h>
#include <ui/GraphicBuffer.h>
@@ -176,6 +177,11 @@
hardware_buffer);
}
+// Retrieve the shared buffer layout version defined in dvr_shared_buffers.h.
+int dvrBufferGlobalLayoutVersionGet() {
+ return android::dvr::kSharedBufferLayoutVersion;
+}
+
const struct native_handle* dvrWriteBufferGetNativeHandle(
DvrWriteBuffer* write_buffer) {
if (!write_buffer || !write_buffer->write_buffer)
diff --git a/libs/vr/libdvr/include/dvr/dvr_api.h b/libs/vr/libdvr/include/dvr/dvr_api.h
index f05a6fd..17b29d4 100644
--- a/libs/vr/libdvr/include/dvr/dvr_api.h
+++ b/libs/vr/libdvr/include/dvr/dvr_api.h
@@ -145,6 +145,7 @@
typedef void (*DvrBufferDestroyPtr)(DvrBuffer* buffer);
typedef int (*DvrBufferGetAHardwareBufferPtr)(
DvrBuffer* buffer, AHardwareBuffer** hardware_buffer);
+typedef int (*DvrBufferGlobalLayoutVersionGetPtr)();
typedef const struct native_handle* (*DvrBufferGetNativeHandlePtr)(
DvrBuffer* buffer);
diff --git a/libs/vr/libdvr/include/dvr/dvr_api_entries.h b/libs/vr/libdvr/include/dvr/dvr_api_entries.h
index 8cdad7d..802a0f7 100644
--- a/libs/vr/libdvr/include/dvr/dvr_api_entries.h
+++ b/libs/vr/libdvr/include/dvr/dvr_api_entries.h
@@ -60,6 +60,7 @@
DVR_V1_API_ENTRY(BufferDestroy);
DVR_V1_API_ENTRY(BufferGetAHardwareBuffer);
DVR_V1_API_ENTRY(BufferGetNativeHandle);
+DVR_V1_API_ENTRY(BufferGlobalLayoutVersionGet);
// Write buffer queue
DVR_V1_API_ENTRY(WriteBufferQueueDestroy);
diff --git a/libs/vr/libdvr/include/dvr/dvr_buffer.h b/libs/vr/libdvr/include/dvr/dvr_buffer.h
index af55698..935a7b2 100644
--- a/libs/vr/libdvr/include/dvr/dvr_buffer.h
+++ b/libs/vr/libdvr/include/dvr/dvr_buffer.h
@@ -95,6 +95,9 @@
int dvrBufferGetAHardwareBuffer(DvrBuffer* buffer,
AHardwareBuffer** hardware_buffer);
+// Retrieve the shared buffer layout version defined in dvr_shared_buffers.h.
+int dvrBufferGlobalLayoutVersionGet();
+
// TODO(eieio): Switch to return int and take an out parameter for the native
// handle.
const struct native_handle* dvrBufferGetNativeHandle(DvrBuffer* buffer);