Revise IAllocator and IMapper to reduce IPC and to support gralloc0
devices.
Specifically, IAllocator is trimmed down to have essentially only
allocate(BufferDescriptor descriptor, uint32_t count)
generates (Error error,
uint32_t stride,
vec<handle> buffers);
The ability to allocate buffers with shared backing store is
removed. ProducerUsage and ConsumerUsage are moved to the
graphics.common package and are merged and renamed to BufferUsage.
BufferUsage's bits follow gralloc0.
IMapper gains
typedef vec<uint32_t> BufferDescriptor;
createDescriptor(BufferDescriptorInfo descriptorInfo)
generates (Error error,
BufferDescriptor descriptor);
where BufferDescriptor is an implementation-defined blob. lockFlex
is replaced by lockYCbCr. All getters are removed.
Reference counting with retain/release is replaced by
importBuffer/freeBuffer.
Most if not all gralloc1 features are not used by the runtime yet.
There is also not too much test written for them. As such, they
tend to behave differently between implementations and cannot be
used reliably.
Bug: 36481301
Test: builds and boots on Pixel
Change-Id: I1d31105120517ea2c128c7a19297acf3bfd312bb
Pointers are preferred for output parameters in graphics code. While at
it, initialize local variables that are for outputs.
Test: builds and boots
Change-Id: I959706ea92949bc2f993ee9beff0c8b0c3121347
Introduce IAllocatorClient to manage resources owned by a client (e.g., SF
or VTS). This makes sure there is no resource leak when SF or VTS
crashes.
This also fixes two unrelated bugs
- sizeof(Buffer) != sizeof(void*) on 32-bit impl.
- layerCount was not set to 1 in tests
Test: builds and boots
Change-Id: I67f5cdd64b97fb3ce1b931099c25f59cc8517f21
The default implementatoin is built on top of conventional gralloc1.
This also adds a static library, libgralloc1-adapter. It is intended to
ease the porting of gralloc0 to gralloc1.
Test: booted to launcher, tested with YouTube and some games.
Change-Id: Id640b1d5a1e1eea1aafabb6c134e6be6e71afff5
