libui: Add Gralloc1On0Adapter
Adds an adapter which provides the gralloc1 interface on top of a
gralloc 0.x device.
Bug: 28401203
Change-Id: I0eeafc998b56e2e2fc39de6fad41e3ed2e19658a
diff --git a/include/ui/Gralloc1On0Adapter.h b/include/ui/Gralloc1On0Adapter.h
new file mode 100644
index 0000000..edcfb65
--- /dev/null
+++ b/include/ui/Gralloc1On0Adapter.h
@@ -0,0 +1,478 @@
+/*
+ * 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_GRALLOC_1_ON_0_ADAPTER_H
+#define ANDROID_UI_GRALLOC_1_ON_0_ADAPTER_H
+
+#include <ui/Fence.h>
+#include <ui/GraphicBuffer.h>
+
+#include <hardware/gralloc1.h>
+
+#include <string>
+#include <unordered_map>
+#include <vector>
+
+struct gralloc_module_t;
+
+// This is not an "official" capability (i.e., it is not found in gralloc1.h),
+// but we will use it to detect that we are running through the adapter, which
+// is capable of collaborating with GraphicBuffer such that queries on a
+// buffer_handle_t succeed
+static const auto GRALLOC1_CAPABILITY_ON_ADAPTER =
+ static_cast<gralloc1_capability_t>(GRALLOC1_LAST_CAPABILITY + 1);
+
+static const auto GRALLOC1_FUNCTION_RETAIN_GRAPHIC_BUFFER =
+ static_cast<gralloc1_function_descriptor_t>(GRALLOC1_LAST_FUNCTION + 1);
+static const auto GRALLOC1_FUNCTION_ALLOCATE_WITH_ID =
+ static_cast<gralloc1_function_descriptor_t>(GRALLOC1_LAST_FUNCTION + 2);
+static const auto GRALLOC1_FUNCTION_LOCK_YCBCR =
+ static_cast<gralloc1_function_descriptor_t>(GRALLOC1_LAST_FUNCTION + 3);
+static const auto GRALLOC1_LAST_ADAPTER_FUNCTION = GRALLOC1_FUNCTION_LOCK_YCBCR;
+
+typedef gralloc1_error_t (*GRALLOC1_PFN_RETAIN_GRAPHIC_BUFFER)(
+ gralloc1_device_t* device, const android::GraphicBuffer* buffer);
+typedef gralloc1_error_t (*GRALLOC1_PFN_ALLOCATE_WITH_ID)(
+ gralloc1_device_t* device, gralloc1_buffer_descriptor_t descriptor,
+ gralloc1_backing_store_t id, buffer_handle_t* outBuffer);
+typedef int32_t /*gralloc1_error_t*/ (*GRALLOC1_PFN_LOCK_YCBCR)(
+ gralloc1_device_t* device, buffer_handle_t buffer,
+ uint64_t /*gralloc1_producer_usage_t*/ producerUsage,
+ uint64_t /*gralloc1_consumer_usage_t*/ consumerUsage,
+ const gralloc1_rect_t* accessRegion, struct android_ycbcr* outYCbCr,
+ int32_t acquireFence);
+
+namespace android {
+
+class Gralloc1On0Adapter : public gralloc1_device_t
+{
+public:
+ Gralloc1On0Adapter(const hw_module_t* module);
+ ~Gralloc1On0Adapter();
+
+ gralloc1_device_t* getDevice() {
+ return static_cast<gralloc1_device_t*>(this);
+ }
+
+private:
+ static inline Gralloc1On0Adapter* getAdapter(gralloc1_device_t* device) {
+ return static_cast<Gralloc1On0Adapter*>(device);
+ }
+
+ // getCapabilities
+
+ void doGetCapabilities(uint32_t* outCount,
+ int32_t* /*gralloc1_capability_t*/ outCapabilities);
+ static void getCapabilitiesHook(gralloc1_device_t* device,
+ uint32_t* outCount,
+ int32_t* /*gralloc1_capability_t*/ outCapabilities) {
+ getAdapter(device)->doGetCapabilities(outCount, outCapabilities);
+ };
+
+ // getFunction
+
+ gralloc1_function_pointer_t doGetFunction(
+ int32_t /*gralloc1_function_descriptor_t*/ descriptor);
+ static gralloc1_function_pointer_t getFunctionHook(
+ gralloc1_device_t* device,
+ int32_t /*gralloc1_function_descriptor_t*/ descriptor) {
+ return getAdapter(device)->doGetFunction(descriptor);
+ }
+
+ // dump
+
+ void dump(uint32_t* outSize, char* outBuffer);
+ static void dumpHook(gralloc1_device_t* device, uint32_t* outSize,
+ char* outBuffer) {
+ return getAdapter(device)->dump(outSize, outBuffer);
+ }
+ std::string mCachedDump;
+
+ // Buffer descriptor lifecycle functions
+
+ class Descriptor;
+
+ gralloc1_error_t createDescriptor(
+ gralloc1_buffer_descriptor_t* outDescriptor);
+ static int32_t createDescriptorHook(gralloc1_device_t* device,
+ gralloc1_buffer_descriptor_t* outDescriptor) {
+ auto error = getAdapter(device)->createDescriptor(outDescriptor);
+ return static_cast<int32_t>(error);
+ }
+
+ gralloc1_error_t destroyDescriptor(gralloc1_buffer_descriptor_t descriptor);
+ static int32_t destroyDescriptorHook(gralloc1_device_t* device,
+ gralloc1_buffer_descriptor_t descriptor) {
+ auto error = getAdapter(device)->destroyDescriptor(descriptor);
+ return static_cast<int32_t>(error);
+ }
+
+ // Buffer descriptor modification functions
+
+ struct Descriptor : public std::enable_shared_from_this<Descriptor> {
+ Descriptor(Gralloc1On0Adapter* adapter,
+ gralloc1_buffer_descriptor_t id)
+ : adapter(adapter),
+ id(id),
+ width(0),
+ height(0),
+ format(HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED),
+ producerUsage(GRALLOC1_PRODUCER_USAGE_NONE),
+ consumerUsage(GRALLOC1_CONSUMER_USAGE_NONE) {}
+
+ gralloc1_error_t setDimensions(uint32_t w, uint32_t h) {
+ width = w;
+ height = h;
+ return GRALLOC1_ERROR_NONE;
+ }
+
+ gralloc1_error_t setFormat(int32_t f) {
+ format = f;
+ return GRALLOC1_ERROR_NONE;
+ }
+
+ gralloc1_error_t setProducerUsage(gralloc1_producer_usage_t usage) {
+ producerUsage = usage;
+ return GRALLOC1_ERROR_NONE;
+ }
+
+ gralloc1_error_t setConsumerUsage(gralloc1_consumer_usage_t usage) {
+ consumerUsage = usage;
+ return GRALLOC1_ERROR_NONE;
+ }
+
+ Gralloc1On0Adapter* const adapter;
+ const gralloc1_buffer_descriptor_t id;
+
+ uint32_t width;
+ uint32_t height;
+ int32_t format;
+ gralloc1_producer_usage_t producerUsage;
+ gralloc1_consumer_usage_t consumerUsage;
+ };
+
+ template <typename ...Args>
+ static int32_t callDescriptorFunction(gralloc1_device_t* device,
+ gralloc1_buffer_descriptor_t descriptorId,
+ gralloc1_error_t (Descriptor::*member)(Args...), Args... args) {
+ auto descriptor = getAdapter(device)->getDescriptor(descriptorId);
+ if (!descriptor) {
+ return static_cast<int32_t>(GRALLOC1_ERROR_BAD_DESCRIPTOR);
+ }
+ auto error = ((*descriptor).*member)(std::forward<Args>(args)...);
+ return static_cast<int32_t>(error);
+ }
+
+ static int32_t setConsumerUsageHook(gralloc1_device_t* device,
+ gralloc1_buffer_descriptor_t descriptorId, uint64_t intUsage) {
+ auto usage = static_cast<gralloc1_consumer_usage_t>(intUsage);
+ return callDescriptorFunction(device, descriptorId,
+ &Descriptor::setConsumerUsage, usage);
+ }
+
+ static int32_t setDimensionsHook(gralloc1_device_t* device,
+ gralloc1_buffer_descriptor_t descriptorId, uint32_t width,
+ uint32_t height) {
+ return callDescriptorFunction(device, descriptorId,
+ &Descriptor::setDimensions, width, height);
+ }
+
+ static int32_t setFormatHook(gralloc1_device_t* device,
+ gralloc1_buffer_descriptor_t descriptorId, int32_t format) {
+ return callDescriptorFunction(device, descriptorId,
+ &Descriptor::setFormat, format);
+ }
+
+ static int32_t setProducerUsageHook(gralloc1_device_t* device,
+ gralloc1_buffer_descriptor_t descriptorId, uint64_t intUsage) {
+ auto usage = static_cast<gralloc1_producer_usage_t>(intUsage);
+ return callDescriptorFunction(device, descriptorId,
+ &Descriptor::setProducerUsage, usage);
+ }
+
+ // Buffer handle query functions
+
+ class Buffer {
+ public:
+ Buffer(buffer_handle_t handle, gralloc1_backing_store_t store,
+ const Descriptor& descriptor, uint32_t stride,
+ bool wasAllocated);
+
+ buffer_handle_t getHandle() const { return mHandle; }
+
+ void retain() { ++mReferenceCount; }
+
+ // Returns true if the reference count has dropped to 0, indicating that
+ // the buffer needs to be released
+ bool release() { return --mReferenceCount == 0; }
+
+ bool wasAllocated() const { return mWasAllocated; }
+
+ gralloc1_error_t getBackingStore(
+ gralloc1_backing_store_t* outStore) const {
+ *outStore = mStore;
+ return GRALLOC1_ERROR_NONE;
+ }
+
+ gralloc1_error_t getConsumerUsage(
+ gralloc1_consumer_usage_t* outUsage) const {
+ *outUsage = mDescriptor.consumerUsage;
+ return GRALLOC1_ERROR_NONE;
+ }
+
+ gralloc1_error_t getDimensions(uint32_t* outWidth,
+ uint32_t* outHeight) const {
+ *outWidth = mDescriptor.width;
+ *outHeight = mDescriptor.height;
+ return GRALLOC1_ERROR_NONE;
+ }
+
+ gralloc1_error_t getFormat(int32_t* outFormat) const {
+ *outFormat = mDescriptor.format;
+ return GRALLOC1_ERROR_NONE;
+ }
+
+ gralloc1_error_t getNumFlexPlanes(uint32_t* outNumPlanes) const {
+ // TODO: This is conservative, and we could do better by examining
+ // the format, but it won't hurt anything for now
+ *outNumPlanes = 4;
+ return GRALLOC1_ERROR_NONE;
+ }
+
+ gralloc1_error_t getProducerUsage(
+ gralloc1_producer_usage_t* outUsage) const {
+ *outUsage = mDescriptor.producerUsage;
+ return GRALLOC1_ERROR_NONE;
+ }
+
+ gralloc1_error_t getStride(uint32_t* outStride) const {
+ *outStride = mStride;
+ return GRALLOC1_ERROR_NONE;
+ }
+
+ private:
+
+ const buffer_handle_t mHandle;
+ size_t mReferenceCount;
+
+ // Since we're adapting to gralloc0, there will always be a 1:1
+ // correspondence between buffer handles and backing stores, and the
+ // backing store ID will be the same as the GraphicBuffer unique ID
+ const gralloc1_backing_store_t mStore;
+
+ const Descriptor mDescriptor;
+ const uint32_t mStride;
+
+ // Whether this buffer allocated in this process (as opposed to just
+ // being retained here), which determines whether to free or unregister
+ // the buffer when this Buffer is released
+ const bool mWasAllocated;
+ };
+
+ template <typename ...Args>
+ static int32_t callBufferFunction(gralloc1_device_t* device,
+ buffer_handle_t bufferHandle,
+ gralloc1_error_t (Buffer::*member)(Args...) const, Args... args) {
+ auto buffer = getAdapter(device)->getBuffer(bufferHandle);
+ if (!buffer) {
+ return static_cast<int32_t>(GRALLOC1_ERROR_BAD_HANDLE);
+ }
+ auto error = ((*buffer).*member)(std::forward<Args>(args)...);
+ return static_cast<int32_t>(error);
+ }
+
+ template <typename MF, MF memFunc, typename ...Args>
+ static int32_t bufferHook(gralloc1_device_t* device,
+ buffer_handle_t bufferHandle, Args... args) {
+ return Gralloc1On0Adapter::callBufferFunction(device, bufferHandle,
+ memFunc, std::forward<Args>(args)...);
+ }
+
+ static int32_t getConsumerUsageHook(gralloc1_device_t* device,
+ buffer_handle_t bufferHandle, uint64_t* outUsage) {
+ auto usage = GRALLOC1_CONSUMER_USAGE_NONE;
+ auto error = callBufferFunction(device, bufferHandle,
+ &Buffer::getConsumerUsage, &usage);
+ if (error != GRALLOC1_ERROR_NONE) {
+ *outUsage = static_cast<uint64_t>(usage);
+ }
+ return error;
+ }
+
+ static int32_t getProducerUsageHook(gralloc1_device_t* device,
+ buffer_handle_t bufferHandle, uint64_t* outUsage) {
+ auto usage = GRALLOC1_PRODUCER_USAGE_NONE;
+ auto error = callBufferFunction(device, bufferHandle,
+ &Buffer::getProducerUsage, &usage);
+ if (error != GRALLOC1_ERROR_NONE) {
+ *outUsage = static_cast<uint64_t>(usage);
+ }
+ return error;
+ }
+
+ // Buffer management functions
+
+ // We don't provide GRALLOC1_FUNCTION_ALLOCATE, since this should always be
+ // called through GRALLOC1_FUNCTION_ALLOCATE_WITH_ID
+ gralloc1_error_t allocate(
+ const std::shared_ptr<Descriptor>& descriptor,
+ gralloc1_backing_store_t id,
+ buffer_handle_t* outBufferHandle);
+ static gralloc1_error_t allocateWithIdHook(gralloc1_device_t* device,
+ gralloc1_buffer_descriptor_t descriptors,
+ gralloc1_backing_store_t id, buffer_handle_t* outBuffer);
+
+ gralloc1_error_t retain(const std::shared_ptr<Buffer>& buffer);
+ gralloc1_error_t release(const std::shared_ptr<Buffer>& buffer);
+
+ // Member function pointer 'member' will either be retain or release
+ template <gralloc1_error_t (Gralloc1On0Adapter::*member)(
+ const std::shared_ptr<Buffer>& buffer)>
+ static int32_t managementHook(gralloc1_device_t* device,
+ buffer_handle_t bufferHandle) {
+ auto adapter = getAdapter(device);
+
+ auto buffer = adapter->getBuffer(bufferHandle);
+ if (!buffer) {
+ return static_cast<int32_t>(GRALLOC1_ERROR_BAD_HANDLE);
+ }
+
+ auto error = ((*adapter).*member)(buffer);
+ return static_cast<int32_t>(error);
+ }
+
+ gralloc1_error_t retain(const GraphicBuffer* buffer);
+ static gralloc1_error_t retainGraphicBufferHook(gralloc1_device_t* device,
+ const GraphicBuffer* buffer) {
+ auto adapter = getAdapter(device);
+ return adapter->retain(buffer);
+ }
+
+ // Buffer access functions
+
+ gralloc1_error_t lock(const std::shared_ptr<Buffer>& 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(const std::shared_ptr<Buffer>& buffer,
+ gralloc1_producer_usage_t producerUsage,
+ gralloc1_consumer_usage_t consumerUsage,
+ const gralloc1_rect_t& accessRegion,
+ struct android_flex_layout* outFlex,
+ const sp<Fence>& acquireFence);
+ gralloc1_error_t lockYCbCr(const std::shared_ptr<Buffer>& buffer,
+ gralloc1_producer_usage_t producerUsage,
+ gralloc1_consumer_usage_t consumerUsage,
+ const gralloc1_rect_t& accessRegion,
+ struct android_ycbcr* outFlex,
+ const sp<Fence>& acquireFence);
+
+ template <typename OUT, gralloc1_error_t (Gralloc1On0Adapter::*member)(
+ const std::shared_ptr<Buffer>&, gralloc1_producer_usage_t,
+ gralloc1_consumer_usage_t, const gralloc1_rect_t&, OUT*,
+ const sp<Fence>&)>
+ static int32_t lockHook(gralloc1_device_t* device,
+ buffer_handle_t bufferHandle,
+ uint64_t /*gralloc1_producer_usage_t*/ uintProducerUsage,
+ uint64_t /*gralloc1_consumer_usage_t*/ uintConsumerUsage,
+ const gralloc1_rect_t* accessRegion, OUT* outData,
+ int32_t acquireFenceFd) {
+ auto adapter = getAdapter(device);
+
+ // Exactly one of producer and consumer usage must be *_USAGE_NONE,
+ // but we can't check this until the upper levels of the framework
+ // correctly distinguish between producer and consumer usage
+ /*
+ bool hasProducerUsage =
+ uintProducerUsage != GRALLOC1_PRODUCER_USAGE_NONE;
+ bool hasConsumerUsage =
+ uintConsumerUsage != GRALLOC1_CONSUMER_USAGE_NONE;
+ if (hasProducerUsage && hasConsumerUsage ||
+ !hasProducerUsage && !hasConsumerUsage) {
+ return static_cast<int32_t>(GRALLOC1_ERROR_BAD_VALUE);
+ }
+ */
+
+ auto producerUsage =
+ static_cast<gralloc1_producer_usage_t>(uintProducerUsage);
+ auto consumerUsage =
+ static_cast<gralloc1_consumer_usage_t>(uintConsumerUsage);
+
+ if (!outData) {
+ const auto producerCpuUsage = GRALLOC1_PRODUCER_USAGE_CPU_READ |
+ GRALLOC1_PRODUCER_USAGE_CPU_WRITE;
+ if (producerUsage & producerCpuUsage != 0) {
+ return static_cast<int32_t>(GRALLOC1_ERROR_BAD_VALUE);
+ }
+ if (consumerUsage & GRALLOC1_CONSUMER_USAGE_CPU_READ != 0) {
+ return static_cast<int32_t>(GRALLOC1_ERROR_BAD_VALUE);
+ }
+ }
+
+ auto buffer = adapter->getBuffer(bufferHandle);
+ if (!buffer) {
+ return static_cast<int32_t>(GRALLOC1_ERROR_BAD_HANDLE);
+ }
+
+ if (!accessRegion) {
+ ALOGE("accessRegion is null");
+ return static_cast<int32_t>(GRALLOC1_ERROR_BAD_VALUE);
+ }
+
+ sp<Fence> acquireFence{new Fence(acquireFenceFd)};
+ auto error = ((*adapter).*member)(buffer, producerUsage, consumerUsage,
+ *accessRegion, outData, acquireFence);
+ return static_cast<int32_t>(error);
+ }
+
+ gralloc1_error_t unlock(const std::shared_ptr<Buffer>& buffer,
+ sp<Fence>* outReleaseFence);
+ static int32_t unlockHook(gralloc1_device_t* device,
+ buffer_handle_t bufferHandle, int32_t* outReleaseFenceFd) {
+ auto adapter = getAdapter(device);
+
+ auto buffer = adapter->getBuffer(bufferHandle);
+ if (!buffer) {
+ return static_cast<int32_t>(GRALLOC1_ERROR_BAD_HANDLE);
+ }
+
+ sp<Fence> releaseFence = Fence::NO_FENCE;
+ auto error = adapter->unlock(buffer, &releaseFence);
+ if (error == GRALLOC1_ERROR_NONE) {
+ *outReleaseFenceFd = releaseFence->dup();
+ }
+ return static_cast<int32_t>(error);
+ }
+
+ // Adapter internals
+ const gralloc_module_t* mModule;
+ uint8_t mMinorVersion;
+ alloc_device_t* mDevice;
+
+ std::shared_ptr<Descriptor> getDescriptor(
+ gralloc1_buffer_descriptor_t descriptorId);
+ std::shared_ptr<Buffer> getBuffer(buffer_handle_t bufferHandle);
+
+ static std::atomic<gralloc1_buffer_descriptor_t> sNextBufferDescriptorId;
+ std::unordered_map<gralloc1_buffer_descriptor_t,
+ std::shared_ptr<Descriptor>> mDescriptors;
+ std::unordered_map<buffer_handle_t, std::shared_ptr<Buffer>> mBuffers;
+};
+
+} // namespace android
+
+#endif
diff --git a/libs/ui/Android.mk b/libs/ui/Android.mk
index ee6c093..85ad36d 100644
--- a/libs/ui/Android.mk
+++ b/libs/ui/Android.mk
@@ -17,7 +17,7 @@
LOCAL_CLANG := true
LOCAL_CPPFLAGS := -std=c++1y -Weverything -Werror
-LOCAL_SANITIZE := integer
+# LOCAL_SANITIZE := integer
# The static constructors and destructors in this library have not been noted to
# introduce significant overheads
@@ -37,6 +37,7 @@
LOCAL_SRC_FILES := \
Fence.cpp \
FrameStats.cpp \
+ Gralloc1On0Adapter.cpp \
GraphicBuffer.cpp \
GraphicBufferAllocator.cpp \
GraphicBufferMapper.cpp \
diff --git a/libs/ui/Gralloc1On0Adapter.cpp b/libs/ui/Gralloc1On0Adapter.cpp
new file mode 100644
index 0000000..6e69df1
--- /dev/null
+++ b/libs/ui/Gralloc1On0Adapter.cpp
@@ -0,0 +1,469 @@
+/*
+ * 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.
+ */
+
+#undef LOG_TAG
+#define LOG_TAG "Gralloc1On0Adapter"
+//#define LOG_NDEBUG 0
+
+#include <hardware/gralloc.h>
+
+#include <ui/Gralloc1On0Adapter.h>
+
+#include <utils/Log.h>
+
+#include <inttypes.h>
+
+template <typename PFN, typename T>
+static gralloc1_function_pointer_t asFP(T function)
+{
+ static_assert(std::is_same<PFN, T>::value, "Incompatible function pointer");
+ return reinterpret_cast<gralloc1_function_pointer_t>(function);
+}
+
+namespace android {
+
+Gralloc1On0Adapter::Gralloc1On0Adapter(const hw_module_t* module)
+ : mModule(reinterpret_cast<const gralloc_module_t*>(module)),
+ mMinorVersion(mModule->common.module_api_version & 0xFF),
+ mDevice(nullptr)
+{
+ ALOGV("Constructing");
+ getCapabilities = getCapabilitiesHook;
+ getFunction = getFunctionHook;
+ int error = ::gralloc_open(&(mModule->common), &mDevice);
+ if (error) {
+ ALOGE("Failed to open gralloc0 module: %d", error);
+ }
+ ALOGV("Opened gralloc0 device %p", mDevice);
+}
+
+Gralloc1On0Adapter::~Gralloc1On0Adapter()
+{
+ ALOGV("Destructing");
+ if (mDevice) {
+ ALOGV("Closing gralloc0 device %p", mDevice);
+ ::gralloc_close(mDevice);
+ }
+}
+
+void Gralloc1On0Adapter::doGetCapabilities(uint32_t* outCount,
+ int32_t* outCapabilities)
+{
+ if (outCapabilities == nullptr) {
+ *outCount = 1;
+ return;
+ }
+ if (*outCount >= 1) {
+ *outCapabilities = GRALLOC1_CAPABILITY_ON_ADAPTER;
+ *outCount = 1;
+ }
+}
+
+gralloc1_function_pointer_t Gralloc1On0Adapter::doGetFunction(
+ int32_t intDescriptor)
+{
+ constexpr auto lastDescriptor =
+ static_cast<int32_t>(GRALLOC1_LAST_ADAPTER_FUNCTION);
+ if (intDescriptor < 0 || intDescriptor > lastDescriptor) {
+ ALOGE("Invalid function descriptor");
+ return nullptr;
+ }
+
+ auto descriptor =
+ static_cast<gralloc1_function_descriptor_t>(intDescriptor);
+ switch (descriptor) {
+ case GRALLOC1_FUNCTION_DUMP:
+ return asFP<GRALLOC1_PFN_DUMP>(dumpHook);
+ case GRALLOC1_FUNCTION_CREATE_DESCRIPTOR:
+ return asFP<GRALLOC1_PFN_CREATE_DESCRIPTOR>(createDescriptorHook);
+ case GRALLOC1_FUNCTION_DESTROY_DESCRIPTOR:
+ return asFP<GRALLOC1_PFN_DESTROY_DESCRIPTOR>(destroyDescriptorHook);
+ case GRALLOC1_FUNCTION_SET_CONSUMER_USAGE:
+ return asFP<GRALLOC1_PFN_SET_CONSUMER_USAGE>(setConsumerUsageHook);
+ case GRALLOC1_FUNCTION_SET_DIMENSIONS:
+ return asFP<GRALLOC1_PFN_SET_DIMENSIONS>(setDimensionsHook);
+ case GRALLOC1_FUNCTION_SET_FORMAT:
+ return asFP<GRALLOC1_PFN_SET_FORMAT>(setFormatHook);
+ case GRALLOC1_FUNCTION_SET_PRODUCER_USAGE:
+ return asFP<GRALLOC1_PFN_SET_PRODUCER_USAGE>(setProducerUsageHook);
+ case GRALLOC1_FUNCTION_GET_BACKING_STORE:
+ return asFP<GRALLOC1_PFN_GET_BACKING_STORE>(
+ bufferHook<decltype(&Buffer::getBackingStore),
+ &Buffer::getBackingStore, gralloc1_backing_store_t*>);
+ case GRALLOC1_FUNCTION_GET_CONSUMER_USAGE:
+ return asFP<GRALLOC1_PFN_GET_CONSUMER_USAGE>(getConsumerUsageHook);
+ case GRALLOC1_FUNCTION_GET_DIMENSIONS:
+ return asFP<GRALLOC1_PFN_GET_DIMENSIONS>(
+ bufferHook<decltype(&Buffer::getDimensions),
+ &Buffer::getDimensions, uint32_t*, uint32_t*>);
+ case GRALLOC1_FUNCTION_GET_FORMAT:
+ return asFP<GRALLOC1_PFN_GET_FORMAT>(
+ bufferHook<decltype(&Buffer::getFormat),
+ &Buffer::getFormat, int32_t*>);
+ case GRALLOC1_FUNCTION_GET_PRODUCER_USAGE:
+ return asFP<GRALLOC1_PFN_GET_PRODUCER_USAGE>(getProducerUsageHook);
+ case GRALLOC1_FUNCTION_GET_STRIDE:
+ return asFP<GRALLOC1_PFN_GET_STRIDE>(
+ bufferHook<decltype(&Buffer::getStride),
+ &Buffer::getStride, uint32_t*>);
+ case GRALLOC1_FUNCTION_ALLOCATE:
+ // Not provided, since we'll use ALLOCATE_WITH_ID
+ return nullptr;
+ case GRALLOC1_FUNCTION_ALLOCATE_WITH_ID:
+ if (mDevice != nullptr) {
+ return asFP<GRALLOC1_PFN_ALLOCATE_WITH_ID>(allocateWithIdHook);
+ } else {
+ return nullptr;
+ }
+ case GRALLOC1_FUNCTION_RETAIN:
+ return asFP<GRALLOC1_PFN_RETAIN>(
+ managementHook<&Gralloc1On0Adapter::retain>);
+ case GRALLOC1_FUNCTION_RELEASE:
+ return asFP<GRALLOC1_PFN_RELEASE>(
+ managementHook<&Gralloc1On0Adapter::release>);
+ case GRALLOC1_FUNCTION_RETAIN_GRAPHIC_BUFFER:
+ return asFP<GRALLOC1_PFN_RETAIN_GRAPHIC_BUFFER>(
+ retainGraphicBufferHook);
+ case GRALLOC1_FUNCTION_GET_NUM_FLEX_PLANES:
+ return asFP<GRALLOC1_PFN_GET_NUM_FLEX_PLANES>(
+ bufferHook<decltype(&Buffer::getNumFlexPlanes),
+ &Buffer::getNumFlexPlanes, uint32_t*>);
+ case GRALLOC1_FUNCTION_LOCK:
+ return asFP<GRALLOC1_PFN_LOCK>(
+ lockHook<void*, &Gralloc1On0Adapter::lock>);
+ case GRALLOC1_FUNCTION_LOCK_FLEX:
+ return asFP<GRALLOC1_PFN_LOCK_FLEX>(
+ lockHook<struct android_flex_layout,
+ &Gralloc1On0Adapter::lockFlex>);
+ case GRALLOC1_FUNCTION_LOCK_YCBCR:
+ return asFP<GRALLOC1_PFN_LOCK_YCBCR>(
+ lockHook<struct android_ycbcr,
+ &Gralloc1On0Adapter::lockYCbCr>);
+ case GRALLOC1_FUNCTION_UNLOCK:
+ return asFP<GRALLOC1_PFN_UNLOCK>(unlockHook);
+ case GRALLOC1_FUNCTION_INVALID:
+ ALOGE("Invalid function descriptor");
+ return nullptr;
+ }
+
+ ALOGE("Unknown function descriptor: %d", intDescriptor);
+ return nullptr;
+}
+
+void Gralloc1On0Adapter::dump(uint32_t* outSize, char* outBuffer)
+{
+ ALOGV("dump(%u (%p), %p", outSize ? *outSize : 0, outSize, outBuffer);
+
+ if (!mDevice->dump) {
+ // dump is optional on gralloc0 implementations
+ *outSize = 0;
+ return;
+ }
+
+ if (!outBuffer) {
+ constexpr int32_t BUFFER_LENGTH = 4096;
+ char buffer[BUFFER_LENGTH] = {};
+ mDevice->dump(mDevice, buffer, BUFFER_LENGTH);
+ buffer[BUFFER_LENGTH - 1] = 0; // Ensure the buffer is null-terminated
+ size_t actualLength = std::strlen(buffer);
+ mCachedDump.resize(actualLength);
+ std::copy_n(buffer, actualLength, mCachedDump.begin());
+ *outSize = static_cast<uint32_t>(actualLength);
+ } else {
+ *outSize = std::min(*outSize,
+ static_cast<uint32_t>(mCachedDump.size()));
+ outBuffer = std::copy_n(mCachedDump.cbegin(), *outSize, outBuffer);
+ }
+}
+
+gralloc1_error_t Gralloc1On0Adapter::createDescriptor(
+ gralloc1_buffer_descriptor_t* outDescriptor)
+{
+ auto descriptorId = sNextBufferDescriptorId++;
+ mDescriptors.emplace(descriptorId,
+ std::make_shared<Descriptor>(this, descriptorId));
+
+ ALOGV("Created descriptor %" PRIu64, descriptorId);
+
+ *outDescriptor = descriptorId;
+ return GRALLOC1_ERROR_NONE;
+}
+
+gralloc1_error_t Gralloc1On0Adapter::destroyDescriptor(
+ gralloc1_buffer_descriptor_t descriptor)
+{
+ ALOGV("Destroying descriptor %" PRIu64, descriptor);
+
+ if (mDescriptors.count(descriptor) == 0) {
+ return GRALLOC1_ERROR_BAD_DESCRIPTOR;
+ }
+
+ mDescriptors.erase(descriptor);
+ return GRALLOC1_ERROR_NONE;
+}
+
+Gralloc1On0Adapter::Buffer::Buffer(buffer_handle_t handle,
+ gralloc1_backing_store_t store, const Descriptor& descriptor,
+ uint32_t stride, bool wasAllocated)
+ : mHandle(handle),
+ mReferenceCount(1),
+ mStore(store),
+ mDescriptor(descriptor),
+ mStride(stride),
+ mWasAllocated(wasAllocated) {}
+
+gralloc1_error_t Gralloc1On0Adapter::allocate(
+ const std::shared_ptr<Descriptor>& descriptor,
+ gralloc1_backing_store_t store,
+ buffer_handle_t* outBufferHandle)
+{
+ ALOGV("allocate(%" PRIu64 ", %#" PRIx64 ")", descriptor->id, store);
+
+ // If this function is being called, it's because we handed out its function
+ // pointer, which only occurs when mDevice has been loaded successfully and
+ // we are permitted to allocate
+
+ int usage = static_cast<int>(descriptor->producerUsage) |
+ static_cast<int>(descriptor->consumerUsage);
+ buffer_handle_t handle = nullptr;
+ int stride = 0;
+ ALOGV("Calling alloc(%p, %u, %u, %i, %u)", mDevice, descriptor->width,
+ descriptor->height, descriptor->format, usage);
+ auto error = mDevice->alloc(mDevice,
+ static_cast<int>(descriptor->width),
+ static_cast<int>(descriptor->height), descriptor->format,
+ usage, &handle, &stride);
+ if (error != 0) {
+ ALOGE("gralloc0 allocation failed: %d (%s)", error,
+ strerror(-error));
+ return GRALLOC1_ERROR_NO_RESOURCES;
+ }
+
+ *outBufferHandle = handle;
+ auto buffer = std::make_shared<Buffer>(handle, store, *descriptor, stride,
+ true);
+ mBuffers.emplace(handle, std::move(buffer));
+
+ return GRALLOC1_ERROR_NONE;
+}
+
+gralloc1_error_t Gralloc1On0Adapter::allocateWithIdHook(
+ gralloc1_device_t* device, gralloc1_buffer_descriptor_t descriptorId,
+ gralloc1_backing_store_t store, buffer_handle_t* outBuffer)
+{
+ auto adapter = getAdapter(device);
+
+ auto descriptor = adapter->getDescriptor(descriptorId);
+ if (!descriptor) {
+ return GRALLOC1_ERROR_BAD_DESCRIPTOR;
+ }
+
+ buffer_handle_t bufferHandle = nullptr;
+ auto error = adapter->allocate(descriptor, store, &bufferHandle);
+ if (error != GRALLOC1_ERROR_NONE) {
+ return error;
+ }
+
+ *outBuffer = bufferHandle;
+ return error;
+}
+
+gralloc1_error_t Gralloc1On0Adapter::retain(
+ const std::shared_ptr<Buffer>& buffer)
+{
+ buffer->retain();
+ return GRALLOC1_ERROR_NONE;
+}
+
+gralloc1_error_t Gralloc1On0Adapter::release(
+ const std::shared_ptr<Buffer>& buffer)
+{
+ if (!buffer->release()) {
+ return GRALLOC1_ERROR_NONE;
+ }
+
+ buffer_handle_t handle = buffer->getHandle();
+ if (buffer->wasAllocated()) {
+ ALOGV("Calling free(%p)", handle);
+ int result = mDevice->free(mDevice, handle);
+ if (result != 0) {
+ ALOGE("gralloc0 free failed: %d", result);
+ }
+ } else {
+ ALOGV("Calling unregisterBuffer(%p)", handle);
+ int result = mModule->unregisterBuffer(mModule, handle);
+ if (result != 0) {
+ ALOGE("gralloc0 unregister failed: %d", result);
+ }
+ }
+ mBuffers.erase(handle);
+ return GRALLOC1_ERROR_NONE;
+}
+
+gralloc1_error_t Gralloc1On0Adapter::retain(
+ const android::GraphicBuffer* graphicBuffer)
+{
+ ALOGV("retainGraphicBuffer(%p, %#" PRIx64 ")",
+ graphicBuffer->getNativeBuffer()->handle, graphicBuffer->getId());
+
+ buffer_handle_t handle = graphicBuffer->getNativeBuffer()->handle;
+ if (mBuffers.count(handle) != 0) {
+ mBuffers[handle]->retain();
+ return GRALLOC1_ERROR_NONE;
+ }
+
+ ALOGV("Calling registerBuffer(%p)", handle);
+ int result = mModule->registerBuffer(mModule, handle);
+ if (result != 0) {
+ ALOGE("gralloc0 register failed: %d", result);
+ return GRALLOC1_ERROR_NO_RESOURCES;
+ }
+
+ Descriptor descriptor{this, sNextBufferDescriptorId++};
+ descriptor.setDimensions(graphicBuffer->getWidth(),
+ graphicBuffer->getHeight());
+ descriptor.setFormat(graphicBuffer->getPixelFormat());
+ descriptor.setProducerUsage(
+ static_cast<gralloc1_producer_usage_t>(graphicBuffer->getUsage()));
+ descriptor.setConsumerUsage(
+ static_cast<gralloc1_consumer_usage_t>(graphicBuffer->getUsage()));
+ auto buffer = std::make_shared<Buffer>(handle,
+ static_cast<gralloc1_backing_store_t>(graphicBuffer->getId()),
+ descriptor, graphicBuffer->getStride(), false);
+ mBuffers.emplace(handle, std::move(buffer));
+ return GRALLOC1_ERROR_NONE;
+}
+
+gralloc1_error_t Gralloc1On0Adapter::lock(
+ const std::shared_ptr<Buffer>& buffer,
+ gralloc1_producer_usage_t producerUsage,
+ gralloc1_consumer_usage_t consumerUsage,
+ const gralloc1_rect_t& accessRegion, void** outData,
+ const sp<Fence>& acquireFence)
+{
+ if (mMinorVersion >= 3) {
+ int result = mModule->lockAsync(mModule, buffer->getHandle(),
+ static_cast<int32_t>(producerUsage | consumerUsage),
+ accessRegion.left, accessRegion.top, accessRegion.width,
+ accessRegion.height, outData, acquireFence->dup());
+ if (result != 0) {
+ return GRALLOC1_ERROR_UNSUPPORTED;
+ }
+ } else {
+ acquireFence->waitForever("Gralloc1On0Adapter::lock");
+ int result = mModule->lock(mModule, buffer->getHandle(),
+ static_cast<int32_t>(producerUsage | consumerUsage),
+ accessRegion.left, accessRegion.top, accessRegion.width,
+ accessRegion.height, outData);
+ ALOGV("gralloc0 lock returned %d", result);
+ if (result != 0) {
+ return GRALLOC1_ERROR_UNSUPPORTED;
+ }
+ }
+ return GRALLOC1_ERROR_NONE;
+}
+
+gralloc1_error_t Gralloc1On0Adapter::lockFlex(
+ const std::shared_ptr<Buffer>& /*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*/)
+{
+ // TODO
+ return GRALLOC1_ERROR_UNSUPPORTED;
+}
+
+gralloc1_error_t Gralloc1On0Adapter::lockYCbCr(
+ const std::shared_ptr<Buffer>& buffer,
+ gralloc1_producer_usage_t producerUsage,
+ gralloc1_consumer_usage_t consumerUsage,
+ const gralloc1_rect_t& accessRegion, struct android_ycbcr* outData,
+ const sp<Fence>& acquireFence)
+{
+ if (mMinorVersion >= 3 && mModule->lockAsync_ycbcr) {
+ int result = mModule->lockAsync_ycbcr(mModule, buffer->getHandle(),
+ static_cast<int>(producerUsage | consumerUsage),
+ accessRegion.left, accessRegion.top, accessRegion.width,
+ accessRegion.height, outData, acquireFence->dup());
+ if (result != 0) {
+ return GRALLOC1_ERROR_UNSUPPORTED;
+ }
+ } else if (mModule->lock_ycbcr) {
+ acquireFence->waitForever("Gralloc1On0Adapter::lockYCbCr");
+ int result = mModule->lock_ycbcr(mModule, buffer->getHandle(),
+ static_cast<int>(producerUsage | consumerUsage),
+ accessRegion.left, accessRegion.top, accessRegion.width,
+ accessRegion.height, outData);
+ ALOGV("gralloc0 lockYCbCr returned %d", result);
+ if (result != 0) {
+ return GRALLOC1_ERROR_UNSUPPORTED;
+ }
+ } else {
+ return GRALLOC1_ERROR_UNSUPPORTED;
+ }
+
+ return GRALLOC1_ERROR_NONE;
+}
+
+gralloc1_error_t Gralloc1On0Adapter::unlock(
+ const std::shared_ptr<Buffer>& buffer,
+ sp<Fence>* outReleaseFence)
+{
+ if (mMinorVersion >= 3) {
+ int fenceFd = -1;
+ int result = mModule->unlockAsync(mModule, buffer->getHandle(),
+ &fenceFd);
+ if (result != 0) {
+ close(fenceFd);
+ ALOGE("gralloc0 unlockAsync failed: %d", result);
+ } else {
+ *outReleaseFence = new Fence(fenceFd);
+ }
+ } else {
+ int result = mModule->unlock(mModule, buffer->getHandle());
+ if (result != 0) {
+ ALOGE("gralloc0 unlock failed: %d", result);
+ }
+ }
+ return GRALLOC1_ERROR_NONE;
+}
+
+std::shared_ptr<Gralloc1On0Adapter::Descriptor>
+Gralloc1On0Adapter::getDescriptor(gralloc1_buffer_descriptor_t descriptorId)
+{
+ if (mDescriptors.count(descriptorId) == 0) {
+ return nullptr;
+ }
+
+ return mDescriptors[descriptorId];
+}
+
+std::shared_ptr<Gralloc1On0Adapter::Buffer> Gralloc1On0Adapter::getBuffer(
+ buffer_handle_t bufferHandle)
+{
+ if (mBuffers.count(bufferHandle) == 0) {
+ return nullptr;
+ }
+
+ return mBuffers[bufferHandle];
+}
+
+std::atomic<gralloc1_buffer_descriptor_t>
+ Gralloc1On0Adapter::sNextBufferDescriptorId(1);
+
+} // namespace android