1 files changed, 23 insertions, 15 deletions

diff --git a/libshims/include/ui/GraphicBufferMapper.h b/libshims/include/ui/GraphicBufferMapper.h
index 7cf003d..2461454 100644
--- a/libshims/include/ui/GraphicBufferMapper.h
+++ b/libshims/include/ui/GraphicBufferMapper.h
@@ -35,15 +35,16 @@ namespace android {
 
 // ---------------------------------------------------------------------------
 
-namespace Gralloc2 {
-class Mapper;
-}
-
+class GrallocMapper;
 class Rect;
 
 class GraphicBufferMapper : public Singleton<GraphicBufferMapper>
 {
 public:
+    enum Version {
+        GRALLOC_2,
+        GRALLOC_3,
+    };
     static void preloadHal();
     static inline GraphicBufferMapper& get() { return getInstance(); }
 
@@ -59,20 +60,21 @@ public:
     void getTransportSize(buffer_handle_t handle,
             uint32_t* outTransportNumFds, uint32_t* outTransportNumInts);
 
-    status_t lock(buffer_handle_t handle,
-            uint32_t usage, const Rect& bounds, void** vaddr);
+    status_t lock(buffer_handle_t handle, uint32_t usage, const Rect& bounds, void** vaddr,
+                  int32_t* outBytesPerPixel = nullptr, int32_t* outBytesPerStride = nullptr);
 
     status_t lockYCbCr(buffer_handle_t handle,
             uint32_t usage, const Rect& bounds, android_ycbcr *ycbcr);
 
     status_t unlock(buffer_handle_t handle);
 
-    status_t lockAsync(buffer_handle_t handle,
-            uint32_t usage, const Rect& bounds, void** vaddr, int fenceFd);
+    status_t lockAsync(buffer_handle_t handle, uint32_t usage, const Rect& bounds, void** vaddr,
+                       int fenceFd, int32_t* outBytesPerPixel = nullptr,
+                       int32_t* outBytesPerStride = nullptr);
 
-    status_t lockAsync(buffer_handle_t handle,
-            uint64_t producerUsage, uint64_t consumerUsage, const Rect& bounds,
-            void** vaddr, int fenceFd);
+    status_t lockAsync(buffer_handle_t handle, uint64_t producerUsage, uint64_t consumerUsage,
+                       const Rect& bounds, void** vaddr, int fenceFd,
+                       int32_t* outBytesPerPixel = nullptr, int32_t* outBytesPerStride = nullptr);
 
     status_t lockAsyncYCbCr(buffer_handle_t handle,
             uint32_t usage, const Rect& bounds, android_ycbcr *ycbcr,
@@ -80,17 +82,23 @@ public:
 
     status_t unlockAsync(buffer_handle_t handle, int *fenceFd);
 
-    const Gralloc2::Mapper& getGrallocMapper() const
-    {
-        return *mMapper;
+    status_t isSupported(uint32_t width, uint32_t height, android::PixelFormat format,
+                         uint32_t layerCount, uint64_t usage, bool* outSupported);
+
+    const GrallocMapper& getGrallocMapper() const {
+        return reinterpret_cast<const GrallocMapper&>(*mMapper);
     }
 
+    Version getMapperVersion() const { return mMapperVersion; }
+
 private:
     friend class Singleton<GraphicBufferMapper>;
 
     GraphicBufferMapper();
 
-    const std::unique_ptr<const Gralloc2::Mapper> mMapper;
+    std::unique_ptr<const GrallocMapper> mMapper;
+
+    Version mMapperVersion;
 };
 
 // ---------------------------------------------------------------------------