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/*
* Copyright 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_UI_GRALLOC1_H
#define ANDROID_UI_GRALLOC1_H
#define GRALLOC1_LOG_TAG "Gralloc1"
#include <ui/Gralloc1On0Adapter.h>
#include <unordered_set>
namespace std {
template <>
struct hash<gralloc1_capability_t> {
size_t operator()(gralloc1_capability_t capability) const {
return std::hash<int32_t>()(static_cast<int32_t>(capability));
}
};
}
namespace android {
class Fence;
class GraphicBuffer;
namespace Gralloc1 {
class Device;
class Descriptor {
public:
Descriptor(Device& device, gralloc1_buffer_descriptor_t deviceId)
: mShimDevice(device),
mDeviceId(deviceId),
mWidth(0),
mHeight(0),
mFormat(static_cast<android_pixel_format_t>(0)),
mProducerUsage(GRALLOC1_PRODUCER_USAGE_NONE),
mConsumerUsage(GRALLOC1_CONSUMER_USAGE_NONE) {}
~Descriptor();
gralloc1_buffer_descriptor_t getDeviceId() const { return mDeviceId; }
gralloc1_error_t setDimensions(uint32_t width, uint32_t height);
gralloc1_error_t setFormat(android_pixel_format_t format);
gralloc1_error_t setProducerUsage(gralloc1_producer_usage_t usage);
gralloc1_error_t setConsumerUsage(gralloc1_consumer_usage_t usage);
private:
Device& mShimDevice;
const gralloc1_buffer_descriptor_t mDeviceId;
uint32_t mWidth;
uint32_t mHeight;
android_pixel_format_t mFormat;
gralloc1_producer_usage_t mProducerUsage;
gralloc1_consumer_usage_t mConsumerUsage;
}; // Descriptor
class Device {
friend class Gralloc1::Descriptor;
public:
Device(gralloc1_device_t* device);
bool hasCapability(gralloc1_capability_t capability) const;
std::string dump();
std::shared_ptr<Descriptor> createDescriptor();
gralloc1_error_t getStride(buffer_handle_t buffer, uint32_t* outStride);
gralloc1_error_t allocate(
const std::vector<std::shared_ptr<const Descriptor>>& descriptors,
std::vector<buffer_handle_t>* outBuffers);
gralloc1_error_t allocate(
const std::shared_ptr<const Descriptor>& descriptor,
gralloc1_backing_store_t id, buffer_handle_t* outBuffer);
gralloc1_error_t retain(buffer_handle_t buffer);
gralloc1_error_t retain(const GraphicBuffer* buffer);
gralloc1_error_t release(buffer_handle_t buffer);
gralloc1_error_t getNumFlexPlanes(buffer_handle_t buffer,
uint32_t* outNumPlanes);
gralloc1_error_t lock(buffer_handle_t buffer,
gralloc1_producer_usage_t producerUsage,
gralloc1_consumer_usage_t consumerUsage,
const gralloc1_rect_t* accessRegion, void** outData,
const sp<Fence>& acquireFence);
gralloc1_error_t lockFlex(buffer_handle_t buffer,
gralloc1_producer_usage_t producerUsage,
gralloc1_consumer_usage_t consumerUsage,
const gralloc1_rect_t* accessRegion,
struct android_flex_layout* outData, const sp<Fence>& acquireFence);
gralloc1_error_t lockYCbCr(buffer_handle_t buffer,
gralloc1_producer_usage_t producerUsage,
gralloc1_consumer_usage_t consumerUsage,
const gralloc1_rect_t* accessRegion, struct android_ycbcr* outData,
const sp<Fence>& acquireFence);
gralloc1_error_t unlock(buffer_handle_t buffer, sp<Fence>* outFence);
private:
std::unordered_set<gralloc1_capability_t> loadCapabilities();
bool loadFunctions();
template <typename LockType, typename OutType>
gralloc1_error_t lockHelper(LockType pfn, buffer_handle_t buffer,
gralloc1_producer_usage_t producerUsage,
gralloc1_consumer_usage_t consumerUsage,
const gralloc1_rect_t* accessRegion, OutType* outData,
const sp<Fence>& acquireFence) {
int32_t intError = pfn(mDevice, buffer,
static_cast<uint64_t>(producerUsage),
static_cast<uint64_t>(consumerUsage), accessRegion, outData,
acquireFence->dup());
return static_cast<gralloc1_error_t>(intError);
}
gralloc1_device_t* const mDevice;
const std::unordered_set<gralloc1_capability_t> mCapabilities;
template <typename PFN, gralloc1_function_descriptor_t descriptor>
struct FunctionLoader {
FunctionLoader() : pfn(nullptr) {}
bool load(gralloc1_device_t* device, bool errorIfNull) {
gralloc1_function_pointer_t rawPointer =
device->getFunction(device, descriptor);
pfn = reinterpret_cast<PFN>(rawPointer);
if (errorIfNull && !rawPointer) {
ALOG(LOG_ERROR, GRALLOC1_LOG_TAG,
"Failed to load function pointer %d", descriptor);
}
return rawPointer != nullptr;
}
template <typename ...Args>
typename std::result_of<PFN(Args...)>::type operator()(Args... args) {
return pfn(args...);
}
PFN pfn;
};
// Function pointers
struct Functions {
FunctionLoader<GRALLOC1_PFN_DUMP, GRALLOC1_FUNCTION_DUMP> dump;
FunctionLoader<GRALLOC1_PFN_CREATE_DESCRIPTOR,
GRALLOC1_FUNCTION_CREATE_DESCRIPTOR> createDescriptor;
FunctionLoader<GRALLOC1_PFN_DESTROY_DESCRIPTOR,
GRALLOC1_FUNCTION_DESTROY_DESCRIPTOR> destroyDescriptor;
FunctionLoader<GRALLOC1_PFN_SET_CONSUMER_USAGE,
GRALLOC1_FUNCTION_SET_CONSUMER_USAGE> setConsumerUsage;
FunctionLoader<GRALLOC1_PFN_SET_DIMENSIONS,
GRALLOC1_FUNCTION_SET_DIMENSIONS> setDimensions;
FunctionLoader<GRALLOC1_PFN_SET_FORMAT,
GRALLOC1_FUNCTION_SET_FORMAT> setFormat;
FunctionLoader<GRALLOC1_PFN_SET_PRODUCER_USAGE,
GRALLOC1_FUNCTION_SET_PRODUCER_USAGE> setProducerUsage;
FunctionLoader<GRALLOC1_PFN_GET_BACKING_STORE,
GRALLOC1_FUNCTION_GET_BACKING_STORE> getBackingStore;
FunctionLoader<GRALLOC1_PFN_GET_CONSUMER_USAGE,
GRALLOC1_FUNCTION_GET_CONSUMER_USAGE> getConsumerUsage;
FunctionLoader<GRALLOC1_PFN_GET_DIMENSIONS,
GRALLOC1_FUNCTION_GET_DIMENSIONS> getDimensions;
FunctionLoader<GRALLOC1_PFN_GET_FORMAT,
GRALLOC1_FUNCTION_GET_FORMAT> getFormat;
FunctionLoader<GRALLOC1_PFN_GET_PRODUCER_USAGE,
GRALLOC1_FUNCTION_GET_PRODUCER_USAGE> getProducerUsage;
FunctionLoader<GRALLOC1_PFN_GET_STRIDE,
GRALLOC1_FUNCTION_GET_STRIDE> getStride;
FunctionLoader<GRALLOC1_PFN_ALLOCATE,
GRALLOC1_FUNCTION_ALLOCATE> allocate;
FunctionLoader<GRALLOC1_PFN_RETAIN,
GRALLOC1_FUNCTION_RETAIN> retain;
FunctionLoader<GRALLOC1_PFN_RELEASE,
GRALLOC1_FUNCTION_RELEASE> release;
FunctionLoader<GRALLOC1_PFN_GET_NUM_FLEX_PLANES,
GRALLOC1_FUNCTION_GET_NUM_FLEX_PLANES> getNumFlexPlanes;
FunctionLoader<GRALLOC1_PFN_LOCK,
GRALLOC1_FUNCTION_LOCK> lock;
FunctionLoader<GRALLOC1_PFN_LOCK_FLEX,
GRALLOC1_FUNCTION_LOCK_FLEX> lockFlex;
FunctionLoader<GRALLOC1_PFN_LOCK_YCBCR,
GRALLOC1_FUNCTION_LOCK_YCBCR> lockYCbCr;
FunctionLoader<GRALLOC1_PFN_UNLOCK,
GRALLOC1_FUNCTION_UNLOCK> unlock;
// Adapter-only functions
FunctionLoader<GRALLOC1_PFN_RETAIN_GRAPHIC_BUFFER,
GRALLOC1_FUNCTION_RETAIN_GRAPHIC_BUFFER> retainGraphicBuffer;
FunctionLoader<GRALLOC1_PFN_ALLOCATE_WITH_ID,
GRALLOC1_FUNCTION_ALLOCATE_WITH_ID> allocateWithId;
} mFunctions;
}; // class android::Gralloc1::Device
class Loader
{
public:
Loader();
~Loader();
std::unique_ptr<Device> getDevice();
private:
static std::unique_ptr<Gralloc1On0Adapter> mAdapter;
std::unique_ptr<Device> mDevice;
};
} // namespace android::Gralloc1
} // namespace android
#endif
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