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/*
* Copyright (C) 2007 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_BUFFER_MAPPER_H
#define ANDROID_UI_BUFFER_MAPPER_H
#include <stdint.h>
#include <sys/types.h>
#include <memory>
#include <ui/GraphicTypes.h>
#include <ui/PixelFormat.h>
#include <ui/Rect.h>
#include <utils/Singleton.h>
// Needed by code that still uses the GRALLOC_USAGE_* constants.
// when/if we get rid of gralloc, we should provide aliases or fix call sites.
#include <hardware/gralloc.h>
namespace android {
// ---------------------------------------------------------------------------
class GrallocMapper;
class GraphicBufferMapper : public Singleton<GraphicBufferMapper>
{
public:
enum Version {
GRALLOC_2,
GRALLOC_3,
GRALLOC_4,
};
static void preloadHal();
static inline GraphicBufferMapper& get() { return getInstance(); }
void dumpBuffer(buffer_handle_t bufferHandle, std::string& result, bool less = true) const;
static void dumpBufferToSystemLog(buffer_handle_t bufferHandle, bool less = true);
// The imported outHandle must be freed with freeBuffer when no longer
// needed. rawHandle is owned by the caller.
status_t importBuffer(buffer_handle_t rawHandle,
uint32_t width, uint32_t height, uint32_t layerCount,
PixelFormat format, uint64_t usage, uint32_t stride,
buffer_handle_t* outHandle);
status_t freeBuffer(buffer_handle_t handle);
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,
int32_t* outBytesPerPixel = nullptr, int32_t* outBytesPerStride = nullptr);
status_t lock(buffer_handle_t handle,
uint32_t usage, const Rect& bounds, void** vaddr);
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, 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,
int32_t* outBytesPerPixel = nullptr, int32_t* outBytesPerStride = nullptr);
status_t lockAsyncYCbCr(buffer_handle_t handle,
uint32_t usage, const Rect& bounds, android_ycbcr *ycbcr,
int fenceFd);
status_t unlockAsync(buffer_handle_t handle, int *fenceFd);
status_t isSupported(uint32_t width, uint32_t height, android::PixelFormat format,
uint32_t layerCount, uint64_t usage, bool* outSupported);
/**
* Gets the gralloc metadata associated with the buffer.
*
* These functions are supported by gralloc 4.0+.
*/
status_t getBufferId(buffer_handle_t bufferHandle, uint64_t* outBufferId);
status_t getName(buffer_handle_t bufferHandle, std::string* outName);
status_t getWidth(buffer_handle_t bufferHandle, uint64_t* outWidth);
status_t getHeight(buffer_handle_t bufferHandle, uint64_t* outHeight);
status_t getLayerCount(buffer_handle_t bufferHandle, uint64_t* outLayerCount);
status_t getPixelFormatRequested(buffer_handle_t bufferHandle,
ui::PixelFormat* outPixelFormatRequested);
status_t getPixelFormatFourCC(buffer_handle_t bufferHandle, uint32_t* outPixelFormatFourCC);
status_t getPixelFormatModifier(buffer_handle_t bufferHandle, uint64_t* outPixelFormatModifier);
status_t getUsage(buffer_handle_t bufferHandle, uint64_t* outUsage);
status_t getAllocationSize(buffer_handle_t bufferHandle, uint64_t* outAllocationSize);
status_t getProtectedContent(buffer_handle_t bufferHandle, uint64_t* outProtectedContent);
status_t getCompression(
buffer_handle_t bufferHandle,
aidl::android::hardware::graphics::common::ExtendableType* outCompression);
status_t getCompression(buffer_handle_t bufferHandle, ui::Compression* outCompression);
status_t getInterlaced(
buffer_handle_t bufferHandle,
aidl::android::hardware::graphics::common::ExtendableType* outInterlaced);
status_t getInterlaced(buffer_handle_t bufferHandle, ui::Interlaced* outInterlaced);
status_t getChromaSiting(
buffer_handle_t bufferHandle,
aidl::android::hardware::graphics::common::ExtendableType* outChromaSiting);
status_t getChromaSiting(buffer_handle_t bufferHandle, ui::ChromaSiting* outChromaSiting);
status_t getPlaneLayouts(buffer_handle_t bufferHandle,
std::vector<ui::PlaneLayout>* outPlaneLayouts);
status_t getDataspace(buffer_handle_t bufferHandle, ui::Dataspace* outDataspace);
status_t getBlendMode(buffer_handle_t bufferHandle, ui::BlendMode* outBlendMode);
status_t getSmpte2086(buffer_handle_t bufferHandle, std::optional<ui::Smpte2086>* outSmpte2086);
status_t getCta861_3(buffer_handle_t bufferHandle, std::optional<ui::Cta861_3>* outCta861_3);
status_t getSmpte2094_40(buffer_handle_t bufferHandle,
std::optional<std::vector<uint8_t>>* outSmpte2094_40);
/**
* Gets the default metadata for a gralloc buffer allocated with the given parameters.
*
* These functions are supported by gralloc 4.0+.
*/
status_t getDefaultPixelFormatFourCC(uint32_t width, uint32_t height, PixelFormat format,
uint32_t layerCount, uint64_t usage,
uint32_t* outPixelFormatFourCC);
status_t getDefaultPixelFormatModifier(uint32_t width, uint32_t height, PixelFormat format,
uint32_t layerCount, uint64_t usage,
uint64_t* outPixelFormatModifier);
status_t getDefaultAllocationSize(uint32_t width, uint32_t height, PixelFormat format,
uint32_t layerCount, uint64_t usage,
uint64_t* outAllocationSize);
status_t getDefaultProtectedContent(uint32_t width, uint32_t height, PixelFormat format,
uint32_t layerCount, uint64_t usage,
uint64_t* outProtectedContent);
status_t getDefaultCompression(
uint32_t width, uint32_t height, PixelFormat format, uint32_t layerCount,
uint64_t usage,
aidl::android::hardware::graphics::common::ExtendableType* outCompression);
status_t getDefaultCompression(uint32_t width, uint32_t height, PixelFormat format,
uint32_t layerCount, uint64_t usage,
ui::Compression* outCompression);
status_t getDefaultInterlaced(
uint32_t width, uint32_t height, PixelFormat format, uint32_t layerCount,
uint64_t usage,
aidl::android::hardware::graphics::common::ExtendableType* outInterlaced);
status_t getDefaultInterlaced(uint32_t width, uint32_t height, PixelFormat format,
uint32_t layerCount, uint64_t usage,
ui::Interlaced* outInterlaced);
status_t getDefaultChromaSiting(
uint32_t width, uint32_t height, PixelFormat format, uint32_t layerCount,
uint64_t usage,
aidl::android::hardware::graphics::common::ExtendableType* outChromaSiting);
status_t getDefaultChromaSiting(uint32_t width, uint32_t height, PixelFormat format,
uint32_t layerCount, uint64_t usage,
ui::ChromaSiting* outChromaSiting);
status_t getDefaultPlaneLayouts(uint32_t width, uint32_t height, PixelFormat format,
uint32_t layerCount, uint64_t usage,
std::vector<ui::PlaneLayout>* outPlaneLayouts);
const GrallocMapper& getGrallocMapper() const {
return reinterpret_cast<const GrallocMapper&>(*mMapper);
}
Version getMapperVersion() const { return mMapperVersion; }
private:
friend class Singleton<GraphicBufferMapper>;
GraphicBufferMapper();
std::unique_ptr<const GrallocMapper> mMapper;
Version mMapperVersion;
};
// ---------------------------------------------------------------------------
}; // namespace android
#endif // ANDROID_UI_BUFFER_MAPPER_H
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