graphics: add a default implementation to IAllocator
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
diff --git a/Android.bp b/Android.bp
index 727054c..6f85a70 100644
--- a/Android.bp
+++ b/Android.bp
@@ -4,6 +4,7 @@
"audio/effect/2.0",
"benchmarks/msgq/1.0",
"graphics/allocator/2.0",
+ "graphics/allocator/2.0/default",
"memtrack/1.0",
"memtrack/1.0/default",
"nfc/1.0",
diff --git a/graphics/allocator/2.0/default/Android.bp b/graphics/allocator/2.0/default/Android.bp
new file mode 100644
index 0000000..9a24773
--- /dev/null
+++ b/graphics/allocator/2.0/default/Android.bp
@@ -0,0 +1,24 @@
+cc_library_shared {
+ name: "android.hardware.graphics.allocator@2.0-impl",
+ relative_install_path: "hw",
+ srcs: ["Gralloc.cpp"],
+ cppflags: ["-Wall", "-Wextra"],
+ shared_libs: [
+ "android.hardware.graphics.allocator@2.0",
+ "libbase",
+ "libcutils",
+ "libhardware",
+ "libhidl",
+ "libhwbinder",
+ "liblog",
+ "libutils",
+ ],
+}
+
+cc_library_static {
+ name: "libgralloc1-adapter",
+ srcs: ["gralloc1-adapter.c"],
+ include_dirs: ["system/core/libsync/include"],
+ cflags: ["-Wall", "-Wextra", "-Wno-unused-parameter"],
+ export_include_dirs: ["."],
+}
diff --git a/graphics/allocator/2.0/default/Gralloc.cpp b/graphics/allocator/2.0/default/Gralloc.cpp
new file mode 100644
index 0000000..a7fc6c1
--- /dev/null
+++ b/graphics/allocator/2.0/default/Gralloc.cpp
@@ -0,0 +1,297 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "GrallocPassthrough"
+
+#include <type_traits>
+#include <unordered_set>
+#include <vector>
+
+#include <string.h>
+
+#include <hardware/gralloc1.h>
+#include <log/log.h>
+
+#include "Gralloc.h"
+
+namespace android {
+namespace hardware {
+namespace graphics {
+namespace allocator {
+namespace V2_0 {
+namespace implementation {
+
+class GrallocHal : public IAllocator {
+public:
+ GrallocHal(const hw_module_t* module);
+ virtual ~GrallocHal();
+
+ // IAllocator interface
+ Return<void> getCapabilities(getCapabilities_cb hidl_cb) override;
+ Return<void> dumpDebugInfo(dumpDebugInfo_cb hidl_cb) override;
+ Return<void> createDescriptor(const BufferDescriptorInfo& descriptorInfo,
+ createDescriptor_cb hidl_cb) override;
+ Return<Error> destroyDescriptor(BufferDescriptor descriptor) override;
+
+ Return<Error> testAllocate(
+ const hidl_vec<BufferDescriptor>& descriptors) override;
+ Return<void> allocate(const hidl_vec<BufferDescriptor>& descriptors,
+ allocate_cb hidl_cb) override;
+ Return<Error> free(Buffer buffer) override;
+
+ Return<void> exportHandle(BufferDescriptor descriptor,
+ Buffer buffer, exportHandle_cb hidl_cb) override;
+
+private:
+ void initCapabilities();
+
+ template<typename T>
+ void initDispatch(T& func, gralloc1_function_descriptor_t desc);
+ void initDispatch();
+
+ bool hasCapability(Capability capability) const;
+
+ gralloc1_device_t* mDevice;
+
+ std::unordered_set<Capability> mCapabilities;
+
+ struct {
+ GRALLOC1_PFN_DUMP dump;
+ GRALLOC1_PFN_CREATE_DESCRIPTOR createDescriptor;
+ GRALLOC1_PFN_DESTROY_DESCRIPTOR destroyDescriptor;
+ GRALLOC1_PFN_SET_DIMENSIONS setDimensions;
+ GRALLOC1_PFN_SET_FORMAT setFormat;
+ GRALLOC1_PFN_SET_CONSUMER_USAGE setConsumerUsage;
+ GRALLOC1_PFN_SET_PRODUCER_USAGE setProducerUsage;
+ GRALLOC1_PFN_ALLOCATE allocate;
+ GRALLOC1_PFN_RELEASE release;
+ GRALLOC1_PFN_GET_BACKING_STORE getBackingStore;
+ GRALLOC1_PFN_GET_STRIDE getStride;
+ GRALLOC1_PFN_GET_NUM_FLEX_PLANES getNumFlexPlanes;
+ } mDispatch;
+};
+
+GrallocHal::GrallocHal(const hw_module_t* module)
+ : mDevice(nullptr), mDispatch()
+{
+ int status = gralloc1_open(module, &mDevice);
+ if (status) {
+ LOG_ALWAYS_FATAL("failed to open gralloc1 device: %s",
+ strerror(-status));
+ }
+
+ initCapabilities();
+ initDispatch();
+}
+
+GrallocHal::~GrallocHal()
+{
+ gralloc1_close(mDevice);
+}
+
+void GrallocHal::initCapabilities()
+{
+ uint32_t count;
+ mDevice->getCapabilities(mDevice, &count, nullptr);
+
+ std::vector<Capability> caps(count);
+ mDevice->getCapabilities(mDevice, &count, reinterpret_cast<
+ std::underlying_type<Capability>::type*>(caps.data()));
+ caps.resize(count);
+
+ mCapabilities.insert(caps.cbegin(), caps.cend());
+}
+
+template<typename T>
+void GrallocHal::initDispatch(T& func, gralloc1_function_descriptor_t desc)
+{
+ auto pfn = mDevice->getFunction(mDevice, desc);
+ if (!pfn) {
+ LOG_ALWAYS_FATAL("failed to get gralloc1 function %d", desc);
+ }
+
+ func = reinterpret_cast<T>(pfn);
+}
+
+void GrallocHal::initDispatch()
+{
+ initDispatch(mDispatch.dump, GRALLOC1_FUNCTION_DUMP);
+ initDispatch(mDispatch.createDescriptor,
+ GRALLOC1_FUNCTION_CREATE_DESCRIPTOR);
+ initDispatch(mDispatch.destroyDescriptor,
+ GRALLOC1_FUNCTION_DESTROY_DESCRIPTOR);
+ initDispatch(mDispatch.setDimensions, GRALLOC1_FUNCTION_SET_DIMENSIONS);
+ initDispatch(mDispatch.setFormat, GRALLOC1_FUNCTION_SET_FORMAT);
+ initDispatch(mDispatch.setConsumerUsage,
+ GRALLOC1_FUNCTION_SET_CONSUMER_USAGE);
+ initDispatch(mDispatch.setProducerUsage,
+ GRALLOC1_FUNCTION_SET_PRODUCER_USAGE);
+ initDispatch(mDispatch.allocate, GRALLOC1_FUNCTION_ALLOCATE);
+ initDispatch(mDispatch.release, GRALLOC1_FUNCTION_RELEASE);
+}
+
+bool GrallocHal::hasCapability(Capability capability) const
+{
+ return (mCapabilities.count(capability) > 0);
+}
+
+Return<void> GrallocHal::getCapabilities(getCapabilities_cb hidl_cb)
+{
+ std::vector<Capability> caps(
+ mCapabilities.cbegin(), mCapabilities.cend());
+
+ hidl_vec<Capability> reply;
+ reply.setToExternal(caps.data(), caps.size());
+ hidl_cb(reply);
+
+ return Void();
+}
+
+Return<void> GrallocHal::dumpDebugInfo(dumpDebugInfo_cb hidl_cb)
+{
+ uint32_t len = 0;
+ mDispatch.dump(mDevice, &len, nullptr);
+
+ std::vector<char> buf(len + 1);
+ mDispatch.dump(mDevice, &len, buf.data());
+ buf.resize(len + 1);
+ buf[len] = '\0';
+
+ hidl_string reply;
+ reply.setToExternal(buf.data(), len);
+ hidl_cb(reply);
+
+ return Void();
+}
+
+Return<void> GrallocHal::createDescriptor(
+ const BufferDescriptorInfo& descriptorInfo,
+ createDescriptor_cb hidl_cb)
+{
+ BufferDescriptor descriptor;
+ int32_t err = mDispatch.createDescriptor(mDevice, &descriptor);
+ if (err == GRALLOC1_ERROR_NONE) {
+ err = mDispatch.setDimensions(mDevice, descriptor,
+ descriptorInfo.width, descriptorInfo.height);
+ }
+ if (err == GRALLOC1_ERROR_NONE) {
+ err = mDispatch.setFormat(mDevice, descriptor,
+ static_cast<int32_t>(descriptorInfo.format));
+ }
+ if (err == GRALLOC1_ERROR_NONE) {
+ uint64_t producerUsageMask = descriptorInfo.producerUsageMask;
+ if (producerUsageMask & GRALLOC1_PRODUCER_USAGE_CPU_READ_OFTEN) {
+ producerUsageMask |= GRALLOC1_PRODUCER_USAGE_CPU_READ;
+ }
+ if (producerUsageMask & GRALLOC1_PRODUCER_USAGE_CPU_WRITE_OFTEN) {
+ producerUsageMask |= GRALLOC1_PRODUCER_USAGE_CPU_WRITE;
+ }
+ err = mDispatch.setProducerUsage(mDevice, descriptor,
+ descriptorInfo.producerUsageMask);
+ }
+ if (err == GRALLOC1_ERROR_NONE) {
+ uint64_t consumerUsageMask = descriptorInfo.consumerUsageMask;
+ if (consumerUsageMask & GRALLOC1_CONSUMER_USAGE_CPU_READ_OFTEN) {
+ consumerUsageMask |= GRALLOC1_CONSUMER_USAGE_CPU_READ;
+ }
+ err = mDispatch.setConsumerUsage(mDevice, descriptor,
+ consumerUsageMask);
+ }
+
+ hidl_cb(static_cast<Error>(err), descriptor);
+
+ return Void();
+}
+
+Return<Error> GrallocHal::destroyDescriptor(
+ BufferDescriptor descriptor)
+{
+ int32_t err = mDispatch.destroyDescriptor(mDevice, descriptor);
+ return static_cast<Error>(err);
+}
+
+Return<Error> GrallocHal::testAllocate(
+ const hidl_vec<BufferDescriptor>& descriptors)
+{
+ if (!hasCapability(Capability::TEST_ALLOCATE)) {
+ return Error::UNDEFINED;
+ }
+
+ int32_t err = mDispatch.allocate(mDevice, descriptors.size(),
+ &descriptors[0], nullptr);
+ return static_cast<Error>(err);
+}
+
+Return<void> GrallocHal::allocate(
+ const hidl_vec<BufferDescriptor>& descriptors,
+ allocate_cb hidl_cb) {
+ std::vector<buffer_handle_t> buffers(descriptors.size());
+ int32_t err = mDispatch.allocate(mDevice, descriptors.size(),
+ &descriptors[0], buffers.data());
+ if (err != GRALLOC1_ERROR_NONE && err != GRALLOC1_ERROR_NOT_SHARED) {
+ buffers.clear();
+ }
+
+ hidl_vec<Buffer> reply;
+ reply.setToExternal(
+ reinterpret_cast<Buffer*>(buffers.data()),
+ buffers.size());
+ hidl_cb(static_cast<Error>(err), reply);
+
+ return Void();
+}
+
+Return<Error> GrallocHal::free(Buffer buffer)
+{
+ buffer_handle_t handle = reinterpret_cast<buffer_handle_t>(buffer);
+ int32_t err = mDispatch.release(mDevice, handle);
+ return static_cast<Error>(err);
+}
+
+Return<void> GrallocHal::exportHandle(BufferDescriptor /*descriptor*/,
+ Buffer buffer, exportHandle_cb hidl_cb)
+{
+ // do we want to validate?
+ buffer_handle_t handle = reinterpret_cast<buffer_handle_t>(buffer);
+
+ hidl_cb(Error::NONE, handle);
+
+ return Void();
+}
+
+IAllocator* HIDL_FETCH_IAllocator(const char* /* name */) {
+ const hw_module_t* module;
+ int err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module);
+ if (err) {
+ ALOGE("failed to get gralloc module");
+ return nullptr;
+ }
+
+ uint8_t major = (module->module_api_version >> 8) & 0xff;
+ if (major != 1) {
+ ALOGE("unknown gralloc module major version %d", major);
+ return nullptr;
+ }
+
+ return new GrallocHal(module);
+}
+
+} // namespace implementation
+} // namespace V2_0
+} // namespace allocator
+} // namespace graphics
+} // namespace hardware
+} // namespace android
diff --git a/graphics/allocator/2.0/default/Gralloc.h b/graphics/allocator/2.0/default/Gralloc.h
new file mode 100644
index 0000000..c79eeaa
--- /dev/null
+++ b/graphics/allocator/2.0/default/Gralloc.h
@@ -0,0 +1,38 @@
+/*
+ * 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_HARDWARE_GRAPHICS_ALLOCATOR_V2_0_GRALLOC_H
+#define ANDROID_HARDWARE_GRAPHICS_ALLOCATOR_V2_0_GRALLOC_H
+
+#include <android/hardware/graphics/allocator/2.0/IAllocator.h>
+
+namespace android {
+namespace hardware {
+namespace graphics {
+namespace allocator {
+namespace V2_0 {
+namespace implementation {
+
+extern "C" IAllocator* HIDL_FETCH_IAllocator(const char* name);
+
+} // namespace implementation
+} // namespace V2_0
+} // namespace allocator
+} // namespace graphics
+} // namespace hardware
+} // namespace android
+
+#endif // ANDROID_HARDWARE_GRAPHICS_ALLOCATOR_V2_0_GRALLOC_H
diff --git a/graphics/allocator/2.0/default/gralloc1-adapter.c b/graphics/allocator/2.0/default/gralloc1-adapter.c
new file mode 100644
index 0000000..724cd47
--- /dev/null
+++ b/graphics/allocator/2.0/default/gralloc1-adapter.c
@@ -0,0 +1,660 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "Gralloc1Adapter"
+
+#include <stdatomic.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <pthread.h>
+
+#include <cutils/native_handle.h>
+#include <hardware/gralloc1.h>
+#include <sync/sync.h>
+#include <log/log.h>
+
+#include "gralloc1-adapter.h"
+
+struct gralloc1_adapter_module {
+ struct gralloc_module_t base;
+ struct gralloc1_adapter adapter;
+};
+
+struct gralloc1_adapter_device {
+ struct gralloc1_device base;
+
+ struct alloc_device_t* alloc_dev;
+
+ /* fixed size for thread safety */
+ char saved_dump[4096];
+ size_t saved_dump_size;
+};
+
+/* additional data associated with registered buffer_handle_t */
+struct gralloc1_adapter_buffer_data {
+ struct gralloc1_adapter_buffer_info info;
+
+ atomic_int refcount;
+ bool owned;
+};
+
+struct gralloc1_adapter_buffer_descriptor {
+ int width;
+ int height;
+ int format;
+ int producer_usage;
+ int consumer_usage;
+};
+
+static const struct gralloc1_adapter_module* gralloc1_adapter_module(
+ struct gralloc1_device* dev)
+{
+ return (const struct gralloc1_adapter_module*) dev->common.module;
+}
+
+static struct gralloc1_adapter_device* gralloc1_adapter_device(
+ struct gralloc1_device* dev)
+{
+ return (struct gralloc1_adapter_device*) dev;
+}
+
+static struct gralloc1_adapter_buffer_data* lookup_buffer_data(
+ struct gralloc1_device* dev, buffer_handle_t buffer)
+{
+ const struct gralloc1_adapter_module* mod = gralloc1_adapter_module(dev);
+ if (!mod->adapter.is_registered(&mod->base, buffer))
+ return NULL;
+
+ return mod->adapter.get_data(&mod->base, buffer);
+}
+
+static struct gralloc1_adapter_buffer_descriptor* lookup_buffer_descriptor(
+ struct gralloc1_device* dev, gralloc1_buffer_descriptor_t id)
+{
+ /* do we want to validate? */
+ return (struct gralloc1_adapter_buffer_descriptor*) ((uintptr_t) id);
+}
+
+static void device_dump(struct gralloc1_device* device,
+ uint32_t* outSize, char* outBuffer)
+{
+ struct gralloc1_adapter_device* dev = gralloc1_adapter_device(device);
+
+ if (outBuffer) {
+ uint32_t copy = (uint32_t) dev->saved_dump_size;
+ if (*outSize < copy) {
+ copy = *outSize;
+ } else {
+ *outSize = copy;
+ }
+
+ memcpy(outBuffer, dev->saved_dump, copy);
+ } else {
+ /* dump is optional and may not null-terminate */
+ if (dev->alloc_dev->dump) {
+ dev->alloc_dev->dump(dev->alloc_dev, dev->saved_dump,
+ sizeof(dev->saved_dump) - 1);
+ dev->saved_dump_size = strlen(dev->saved_dump);
+ }
+
+ *outSize = (uint32_t) dev->saved_dump_size;
+ }
+}
+
+static int32_t device_create_descriptor(struct gralloc1_device* device,
+ gralloc1_buffer_descriptor_t* outDescriptor)
+{
+ struct gralloc1_adapter_buffer_descriptor* desc;
+
+ desc = calloc(1, sizeof(*desc));
+ if (!desc) {
+ return GRALLOC1_ERROR_NO_RESOURCES;
+ }
+
+ *outDescriptor = (gralloc1_buffer_descriptor_t) (uintptr_t) desc;
+
+ return GRALLOC1_ERROR_NONE;
+}
+
+static int32_t device_destroy_descriptor(struct gralloc1_device* device,
+ gralloc1_buffer_descriptor_t descriptor)
+{
+ struct gralloc1_adapter_buffer_descriptor* desc =
+ lookup_buffer_descriptor(device, descriptor);
+ if (!desc) {
+ return GRALLOC1_ERROR_BAD_DESCRIPTOR;
+ }
+
+ free(desc);
+
+ return GRALLOC1_ERROR_NONE;
+}
+
+static int32_t device_set_consumer_usage(struct gralloc1_device* device,
+ gralloc1_buffer_descriptor_t descriptor, uint64_t usage)
+{
+ struct gralloc1_adapter_buffer_descriptor* desc =
+ lookup_buffer_descriptor(device, descriptor);
+ if (!desc) {
+ return GRALLOC1_ERROR_BAD_DESCRIPTOR;
+ }
+
+ desc->consumer_usage = (int) usage;
+
+ return GRALLOC1_ERROR_NONE;
+}
+
+static int32_t device_set_dimensions(struct gralloc1_device* device,
+ gralloc1_buffer_descriptor_t descriptor,
+ uint32_t width, uint32_t height)
+{
+ struct gralloc1_adapter_buffer_descriptor* desc =
+ lookup_buffer_descriptor(device, descriptor);
+ if (!desc) {
+ return GRALLOC1_ERROR_BAD_DESCRIPTOR;
+ }
+
+ desc->width = (int) width;
+ desc->height = (int) height;
+
+ return GRALLOC1_ERROR_NONE;
+}
+
+static int32_t device_set_format(struct gralloc1_device* device,
+ gralloc1_buffer_descriptor_t descriptor, int32_t format)
+{
+ struct gralloc1_adapter_buffer_descriptor* desc =
+ lookup_buffer_descriptor(device, descriptor);
+ if (!desc) {
+ return GRALLOC1_ERROR_BAD_DESCRIPTOR;
+ }
+
+ desc->format = format;
+
+ return GRALLOC1_ERROR_NONE;
+}
+
+static int32_t device_set_producer_usage(struct gralloc1_device* device,
+ gralloc1_buffer_descriptor_t descriptor, uint64_t usage)
+{
+ struct gralloc1_adapter_buffer_descriptor* desc =
+ lookup_buffer_descriptor(device, descriptor);
+ if (!desc) {
+ return GRALLOC1_ERROR_BAD_DESCRIPTOR;
+ }
+
+ desc->producer_usage = (int) usage;
+
+ return GRALLOC1_ERROR_NONE;
+}
+
+static int32_t device_get_backing_store(struct gralloc1_device* device,
+ buffer_handle_t buffer, gralloc1_backing_store_t* outStore)
+{
+ /* we never share backing store */
+ *outStore = (gralloc1_backing_store_t) (uintptr_t) buffer;
+
+ return GRALLOC1_ERROR_NONE;
+}
+
+static int32_t device_get_consumer_usage(struct gralloc1_device* device,
+ buffer_handle_t buffer, uint64_t* outUsage)
+{
+ const struct gralloc1_adapter_buffer_data* data =
+ lookup_buffer_data(device, buffer);
+ if (!data) {
+ return GRALLOC1_ERROR_BAD_HANDLE;
+ }
+
+ *outUsage = data->info.usage;
+
+ return GRALLOC1_ERROR_NONE;
+}
+
+static int32_t device_get_dimensions(struct gralloc1_device* device,
+ buffer_handle_t buffer, uint32_t* outWidth, uint32_t* outHeight)
+{
+ const struct gralloc1_adapter_buffer_data* data =
+ lookup_buffer_data(device, buffer);
+ if (!data) {
+ return GRALLOC1_ERROR_BAD_HANDLE;
+ }
+
+ *outWidth = data->info.width;
+ *outHeight = data->info.height;
+
+ return GRALLOC1_ERROR_NONE;
+}
+
+static int32_t device_get_format(struct gralloc1_device* device,
+ buffer_handle_t buffer, int32_t* outFormat)
+{
+ const struct gralloc1_adapter_buffer_data* data =
+ lookup_buffer_data(device, buffer);
+ if (!data) {
+ return GRALLOC1_ERROR_BAD_HANDLE;
+ }
+
+ *outFormat = data->info.format;
+
+ return GRALLOC1_ERROR_NONE;
+}
+
+static int32_t device_get_producer_usage(struct gralloc1_device* device,
+ buffer_handle_t buffer, uint64_t* outUsage)
+{
+ const struct gralloc1_adapter_buffer_data* data =
+ lookup_buffer_data(device, buffer);
+ if (!data) {
+ return GRALLOC1_ERROR_BAD_HANDLE;
+ }
+
+ *outUsage = data->info.usage;
+
+ return GRALLOC1_ERROR_NONE;
+}
+
+static int32_t device_get_stride(struct gralloc1_device* device,
+ buffer_handle_t buffer, uint32_t* outStride)
+{
+ const struct gralloc1_adapter_buffer_data* data =
+ lookup_buffer_data(device, buffer);
+ if (!data) {
+ return GRALLOC1_ERROR_BAD_HANDLE;
+ }
+
+ *outStride = data->info.stride;
+
+ return GRALLOC1_ERROR_NONE;
+}
+
+static int32_t device_allocate(struct gralloc1_device* device,
+ uint32_t numDescriptors,
+ const gralloc1_buffer_descriptor_t* descriptors,
+ buffer_handle_t* outBuffers)
+{
+ const struct gralloc1_adapter_module* mod =
+ gralloc1_adapter_module(device);
+ struct gralloc1_adapter_device* dev = gralloc1_adapter_device(device);
+ gralloc1_error_t err = GRALLOC1_ERROR_NONE;
+ uint32_t i;
+
+ for (i = 0; i < numDescriptors; i++) {
+ const struct gralloc1_adapter_buffer_descriptor* desc =
+ lookup_buffer_descriptor(device, descriptors[i]);
+ struct gralloc1_adapter_buffer_data* data;
+ buffer_handle_t buffer;
+ int dummy_stride;
+ int ret;
+
+ if (!desc) {
+ err = GRALLOC1_ERROR_BAD_DESCRIPTOR;
+ break;
+ }
+
+ data = calloc(1, sizeof(*data));
+ if (!data) {
+ err = GRALLOC1_ERROR_NO_RESOURCES;
+ break;
+ }
+
+ ret = dev->alloc_dev->alloc(dev->alloc_dev, desc->width, desc->height,
+ desc->format, desc->producer_usage | desc->consumer_usage,
+ &buffer, &dummy_stride);
+ if (ret) {
+ free(data);
+ err = GRALLOC1_ERROR_NO_RESOURCES;
+ break;
+ }
+
+ mod->adapter.get_info(&mod->base, buffer, &data->info);
+ data->refcount = 1;
+ data->owned = true;
+
+ mod->adapter.set_data(&mod->base, buffer, data);
+
+ outBuffers[i] = buffer;
+ }
+
+ if (err != GRALLOC1_ERROR_NONE) {
+ uint32_t j;
+ for (j = 0; j < i; j++) {
+ free(mod->adapter.get_data(&mod->base, outBuffers[i]));
+ dev->alloc_dev->free(dev->alloc_dev, outBuffers[i]);
+ }
+
+ return err;
+ }
+
+ return (numDescriptors > 1) ?
+ GRALLOC1_ERROR_NOT_SHARED : GRALLOC1_ERROR_NONE;
+}
+
+static int32_t device_retain(struct gralloc1_device* device,
+ buffer_handle_t buffer)
+{
+ static pthread_mutex_t register_mutex = PTHREAD_MUTEX_INITIALIZER;
+ const struct gralloc1_adapter_module* mod =
+ gralloc1_adapter_module(device);
+ struct gralloc1_adapter_buffer_data* data;
+
+ pthread_mutex_lock(®ister_mutex);
+
+ if (mod->adapter.is_registered(&mod->base, buffer)) {
+ data = mod->adapter.get_data(&mod->base, buffer);
+ data->refcount++;
+ } else {
+ int ret;
+
+ data = calloc(1, sizeof(*data));
+ if (!data) {
+ pthread_mutex_unlock(®ister_mutex);
+ return GRALLOC1_ERROR_NO_RESOURCES;
+ }
+
+ ret = mod->base.registerBuffer(&mod->base, buffer);
+ if (ret) {
+ pthread_mutex_unlock(®ister_mutex);
+ free(data);
+
+ return GRALLOC1_ERROR_NO_RESOURCES;
+ }
+
+ mod->adapter.get_info(&mod->base, buffer, &data->info);
+ data->refcount = 1;
+ data->owned = false;
+
+ mod->adapter.set_data(&mod->base, buffer, data);
+ }
+
+ pthread_mutex_unlock(®ister_mutex);
+
+ return GRALLOC1_ERROR_NONE;
+}
+
+static int32_t device_release(struct gralloc1_device* device,
+ buffer_handle_t buffer)
+{
+ struct gralloc1_adapter_buffer_data* data =
+ lookup_buffer_data(device, buffer);
+ if (!data) {
+ ALOGE("unable to release unregistered buffer %p", buffer);
+ return GRALLOC1_ERROR_BAD_HANDLE;
+ }
+
+ data->refcount--;
+ if (!data->refcount) {
+ if (data->owned) {
+ struct gralloc1_adapter_device* dev =
+ gralloc1_adapter_device(device);
+ dev->alloc_dev->free(dev->alloc_dev, buffer);
+ } else {
+ const struct gralloc1_adapter_module* mod =
+ gralloc1_adapter_module(device);
+ mod->base.unregisterBuffer(&mod->base, buffer);
+
+ native_handle_close(buffer);
+ native_handle_delete((native_handle_t*) buffer);
+ }
+
+ free(data);
+ }
+
+ return GRALLOC1_ERROR_NONE;
+}
+
+static int32_t device_get_num_flex_planes(struct gralloc1_device* device,
+ buffer_handle_t buffer, uint32_t* outNumPlanes)
+{
+ const struct gralloc1_adapter_buffer_data* data =
+ lookup_buffer_data(device, buffer);
+ if (!data) {
+ return GRALLOC1_ERROR_BAD_HANDLE;
+ }
+
+ *outNumPlanes = data->info.num_flex_planes;
+
+ return GRALLOC1_ERROR_NONE;
+}
+
+static int32_t device_lock(struct gralloc1_device* device,
+ buffer_handle_t buffer,
+ uint64_t producerUsage, uint64_t consumerUsage,
+ const gralloc1_rect_t* accessRegion, void** outData,
+ int32_t acquireFence)
+{
+ const struct gralloc1_adapter_module* mod =
+ gralloc1_adapter_module(device);
+ const int usage = (int) (producerUsage | consumerUsage);
+ const struct gralloc1_adapter_buffer_data* data =
+ lookup_buffer_data(device, buffer);
+ int ret;
+
+ if (!data) {
+ ALOGE("unable to lock unregistered buffer %p", buffer);
+ return GRALLOC1_ERROR_BAD_HANDLE;
+ }
+
+ if (mod->adapter.real_module_api_version >=
+ GRALLOC_MODULE_API_VERSION_0_3) {
+ ret = mod->base.lockAsync(&mod->base,
+ buffer, usage,
+ accessRegion->left,
+ accessRegion->top,
+ accessRegion->width,
+ accessRegion->height,
+ outData, acquireFence);
+ } else {
+ if (acquireFence >= 0) {
+ sync_wait(acquireFence, -1);
+ }
+
+ ret = mod->base.lock(&mod->base,
+ buffer, usage,
+ accessRegion->left,
+ accessRegion->top,
+ accessRegion->width,
+ accessRegion->height,
+ outData);
+
+ if (acquireFence >= 0 && !ret) {
+ close(acquireFence);
+ }
+ }
+
+ return (ret) ? GRALLOC1_ERROR_NO_RESOURCES : GRALLOC1_ERROR_NONE;
+}
+
+static int32_t device_lock_flex(struct gralloc1_device* device,
+ buffer_handle_t buffer,
+ uint64_t producerUsage, uint64_t consumerUsage,
+ const gralloc1_rect_t* accessRegion,
+ struct android_flex_layout* outFlexLayout,
+ int32_t acquireFence)
+{
+ const struct gralloc1_adapter_module* mod =
+ gralloc1_adapter_module(device);
+ const int usage = (int) (producerUsage | consumerUsage);
+ const struct gralloc1_adapter_buffer_data* data =
+ lookup_buffer_data(device, buffer);
+ struct android_ycbcr ycbcr;
+ int ret;
+
+ if (!data) {
+ ALOGE("unable to lockFlex unregistered buffer %p", buffer);
+ return GRALLOC1_ERROR_BAD_HANDLE;
+ }
+
+ if (outFlexLayout->num_planes < data->info.num_flex_planes) {
+ return GRALLOC1_ERROR_BAD_VALUE;
+ }
+
+ if (mod->adapter.real_module_api_version >=
+ GRALLOC_MODULE_API_VERSION_0_3 && mod->base.lockAsync_ycbcr) {
+ ret = mod->base.lockAsync_ycbcr(&mod->base,
+ buffer, usage,
+ accessRegion->left,
+ accessRegion->top,
+ accessRegion->width,
+ accessRegion->height,
+ &ycbcr, acquireFence);
+ } else if (mod->base.lock_ycbcr) {
+ if (acquireFence >= 0) {
+ sync_wait(acquireFence, -1);
+ }
+
+ ret = mod->base.lock_ycbcr(&mod->base,
+ buffer, usage,
+ accessRegion->left,
+ accessRegion->top,
+ accessRegion->width,
+ accessRegion->height,
+ &ycbcr);
+
+ if (acquireFence >= 0 && !ret) {
+ close(acquireFence);
+ }
+ } else {
+ return GRALLOC1_ERROR_UNSUPPORTED;
+ }
+
+ if (ret) {
+ return GRALLOC1_ERROR_NO_RESOURCES;
+ }
+
+ mod->adapter.get_flexible_layout(&mod->base, buffer,
+ &ycbcr, outFlexLayout);
+
+ return GRALLOC1_ERROR_NONE;
+}
+
+static int32_t device_unlock(struct gralloc1_device* device,
+ buffer_handle_t buffer, int32_t* outReleaseFence)
+{
+ const struct gralloc1_adapter_module* mod =
+ gralloc1_adapter_module(device);
+ int ret;
+
+ if (mod->adapter.real_module_api_version >=
+ GRALLOC_MODULE_API_VERSION_0_3) {
+ ret = mod->base.unlockAsync(&mod->base, buffer, outReleaseFence);
+ } else {
+ ret = mod->base.unlock(&mod->base, buffer);
+ if (!ret) {
+ *outReleaseFence = -1;
+ }
+ }
+
+ return (ret) ? GRALLOC1_ERROR_BAD_HANDLE : GRALLOC1_ERROR_NONE;
+}
+
+static gralloc1_function_pointer_t device_get_function(
+ struct gralloc1_device* device, int32_t descriptor)
+{
+ switch ((gralloc1_function_descriptor_t) descriptor) {
+#define CASE(id, ptr) \
+ case GRALLOC1_FUNCTION_ ## id: \
+ return (gralloc1_function_pointer_t) device_ ## ptr
+ CASE(DUMP, dump);
+ CASE(CREATE_DESCRIPTOR, create_descriptor);
+ CASE(DESTROY_DESCRIPTOR, destroy_descriptor);
+ CASE(SET_CONSUMER_USAGE, set_consumer_usage);
+ CASE(SET_DIMENSIONS, set_dimensions);
+ CASE(SET_FORMAT, set_format);
+ CASE(SET_PRODUCER_USAGE, set_producer_usage);
+ CASE(GET_BACKING_STORE, get_backing_store);
+ CASE(GET_CONSUMER_USAGE, get_consumer_usage);
+ CASE(GET_DIMENSIONS, get_dimensions);
+ CASE(GET_FORMAT, get_format);
+ CASE(GET_PRODUCER_USAGE, get_producer_usage);
+ CASE(GET_STRIDE, get_stride);
+ CASE(ALLOCATE, allocate);
+ CASE(RETAIN, retain);
+ CASE(RELEASE, release);
+ CASE(GET_NUM_FLEX_PLANES, get_num_flex_planes);
+ CASE(LOCK, lock);
+ CASE(LOCK_FLEX, lock_flex);
+ CASE(UNLOCK, unlock);
+#undef CASE
+ default: return NULL;
+ }
+}
+
+static void device_get_capabilities(struct gralloc1_device* device,
+ uint32_t* outCount, int32_t* outCapabilities)
+{
+ *outCount = 0;
+}
+
+static int device_close(struct hw_device_t* device)
+{
+ struct gralloc1_adapter_device* dev =
+ (struct gralloc1_adapter_device*) device;
+ int ret;
+
+ ret = dev->alloc_dev->common.close(&dev->alloc_dev->common);
+ if (!ret) {
+ free(dev);
+ }
+
+ return ret;
+}
+
+int gralloc1_adapter_device_open(const struct hw_module_t* module,
+ const char* id, struct hw_device_t** device)
+{
+ const struct gralloc1_adapter_module* mod =
+ (const struct gralloc1_adapter_module*) module;
+ struct alloc_device_t* alloc_dev;
+ struct gralloc1_adapter_device* dev;
+ int ret;
+
+ if (strcmp(id, GRALLOC_HARDWARE_MODULE_ID) != 0) {
+ ALOGE("unknown gralloc1 device id: %s", id);
+ return -EINVAL;
+ }
+
+ ret = module->methods->open(module, GRALLOC_HARDWARE_GPU0,
+ (struct hw_device_t**) &alloc_dev);
+ if (ret) {
+ return ret;
+ }
+
+ dev = malloc(sizeof(*dev));
+ if (!dev) {
+ alloc_dev->common.close(&alloc_dev->common);
+ return -ENOMEM;
+ }
+
+ *dev = (struct gralloc1_adapter_device) {
+ .base = {
+ .common = {
+ .tag = HARDWARE_DEVICE_TAG,
+ .version = HARDWARE_DEVICE_API_VERSION(0, 0),
+ .module = (struct hw_module_t*) mod,
+ .close = device_close,
+ },
+ .getCapabilities = device_get_capabilities,
+ .getFunction = device_get_function,
+ },
+ .alloc_dev = alloc_dev,
+ };
+
+ *device = (struct hw_device_t*) dev;
+
+ return 0;
+}
diff --git a/graphics/allocator/2.0/default/gralloc1-adapter.h b/graphics/allocator/2.0/default/gralloc1-adapter.h
new file mode 100644
index 0000000..f48cd9e
--- /dev/null
+++ b/graphics/allocator/2.0/default/gralloc1-adapter.h
@@ -0,0 +1,72 @@
+/*
+ * 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_HARDWARE_GRALLOC1_ADAPTER_H
+#define ANDROID_HARDWARE_GRALLOC1_ADAPTER_H
+
+#include <stdbool.h>
+#include <hardware/gralloc.h>
+
+__BEGIN_DECLS
+
+struct gralloc1_adapter_buffer_info {
+ int width;
+ int height;
+ int format;
+ int usage;
+
+ int stride;
+ uint32_t num_flex_planes;
+};
+
+/* This struct must be embedded in the HAL's HAL_MODULE_INFO_SYM and must
+ * follow gralloc_module_t immediately. */
+struct gralloc1_adapter {
+ uint16_t real_module_api_version;
+
+ /* Return true if the buffer is registered. A locally allocated buffer is
+ * always registered.
+ *
+ * This function is called frequently. It must be thread safe just like
+ * other functions are.
+ */
+ bool (*is_registered)(const struct gralloc_module_t* mod,
+ buffer_handle_t buffer);
+
+ /* Set the adapter data for a registered buffer. */
+ void (*set_data)(const struct gralloc_module_t* mod,
+ buffer_handle_t buffer, void* data);
+
+ /* Get the adapter data for a registered buffer. */
+ void* (*get_data)(const struct gralloc_module_t* mod,
+ buffer_handle_t buffer);
+
+ /* Get the buffer info, such as width, height, etc. */
+ void (*get_info)(const struct gralloc_module_t* mod,
+ buffer_handle_t buffer,
+ struct gralloc1_adapter_buffer_info* info);
+
+ /* Get the flexilble layout matching ycbcr. */
+ void (*get_flexible_layout)(const struct gralloc_module_t* mod,
+ buffer_handle_t buffer, const struct android_ycbcr* ycbcr,
+ struct android_flex_layout* layout);
+};
+
+int gralloc1_adapter_device_open(const struct hw_module_t* module,
+ const char* id, struct hw_device_t** device);
+
+__END_DECLS
+
+#endif /* ANDROID_HARDWARE_GRALLOC1_ADAPTER_H */