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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_GRALLOC3_H
#define ANDROID_UI_GRALLOC3_H
#include <string>
#include <android/hardware/graphics/allocator/3.0/IAllocator.h>
#include <android/hardware/graphics/common/1.1/types.h>
#include <android/hardware/graphics/mapper/3.0/IMapper.h>
#include <ui/Gralloc.h>
#include <ui/PixelFormat.h>
#include <ui/Rect.h>
#include <utils/StrongPointer.h>
namespace android {
class Gralloc3Mapper : public GrallocMapper {
public:
static void preload();
Gralloc3Mapper();
bool isLoaded() const override;
status_t createDescriptor(void* bufferDescriptorInfo, void* outBufferDescriptor) const;
status_t importBuffer(const native_handle_t* rawHandle,
buffer_handle_t* outBufferHandle) const override;
void freeBuffer(buffer_handle_t bufferHandle) const override;
status_t validateBufferSize(buffer_handle_t bufferHandle, uint32_t width, uint32_t height,
android::PixelFormat format, uint32_t layerCount, uint64_t usage,
uint32_t stride) const override;
void getTransportSize(buffer_handle_t bufferHandle, uint32_t* outNumFds,
uint32_t* outNumInts) const override;
status_t lock(buffer_handle_t bufferHandle, uint64_t usage, const Rect& bounds,
int acquireFence, void** outData, int32_t* outBytesPerPixel,
int32_t* outBytesPerStride) const override;
status_t lock(buffer_handle_t bufferHandle, uint64_t usage, const Rect& bounds,
int acquireFence, android_ycbcr* ycbcr) const override;
int unlock(buffer_handle_t bufferHandle) const override;
status_t isSupported(uint32_t width, uint32_t height, android::PixelFormat format,
uint32_t layerCount, uint64_t usage, bool* outSupported) const override;
private:
// Determines whether the passed info is compatible with the mapper.
status_t validateBufferDescriptorInfo(
hardware::graphics::mapper::V3_0::IMapper::BufferDescriptorInfo* descriptorInfo) const;
sp<hardware::graphics::mapper::V3_0::IMapper> mMapper;
};
class Gralloc3Allocator : public GrallocAllocator {
public:
// An allocator relies on a mapper, and that mapper must be alive at all
// time.
Gralloc3Allocator(const Gralloc3Mapper& mapper);
bool isLoaded() const override;
std::string dumpDebugInfo(bool less = true) const override;
status_t allocate(std::string requestorName, uint32_t width, uint32_t height,
PixelFormat format, uint32_t layerCount, uint64_t usage, uint32_t bufferCount,
uint32_t* outStride, buffer_handle_t* outBufferHandles,
bool importBuffers = true) const override;
private:
const Gralloc3Mapper& mMapper;
sp<hardware::graphics::allocator::V3_0::IAllocator> mAllocator;
};
} // namespace android
#endif // ANDROID_UI_GRALLOC3_H
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