Merge "Add warning that GB<->AHB is not VNDK-safe"

#include <hardware/gralloc.h>

#if defined(__ANDROID_APEX__) || defined(__ANDROID_VNDK__)

// TODO: Provide alternatives that aren't broken

#define AHB_CONVERSION                                                                          \

    [[deprecated("WARNING: VNDK casts beteween GraphicBuffer & AHardwareBuffer are UNSAFE and " \

                 "will be removed in the future")]]

#else

#define AHB_CONVERSION

#endif

namespace android {

class GraphicBufferMapper;

    static sp<GraphicBuffer> from(ANativeWindowBuffer *);

    static GraphicBuffer* fromAHardwareBuffer(AHardwareBuffer*);

    static GraphicBuffer const* fromAHardwareBuffer(AHardwareBuffer const*);

    AHardwareBuffer* toAHardwareBuffer();

    AHardwareBuffer const* toAHardwareBuffer() const;

    AHB_CONVERSION static GraphicBuffer* fromAHardwareBuffer(AHardwareBuffer*);

    AHB_CONVERSION static GraphicBuffer const* fromAHardwareBuffer(AHardwareBuffer const*);

    AHB_CONVERSION AHardwareBuffer* toAHardwareBuffer();

    AHB_CONVERSION AHardwareBuffer const* toAHardwareBuffer() const;

    // Create a GraphicBuffer to be unflatten'ed into or be reallocated.

    GraphicBuffer();