1 /*
2  * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
3 
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are
6  * met:
7  *   * Redistributions of source code must retain the above copyright
8  *     notice, this list of conditions and the following disclaimer.
9  *   * Redistributions in binary form must reproduce the above
10  *     copyright notice, this list of conditions and the following
11  *     disclaimer in the documentation and/or other materials provided
12  *     with the distribution.
13  *   * Neither the name of The Linux Foundation nor the names of its
14  *     contributors may be used to endorse or promote products derived
15  *     from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
18  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
21  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
24  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
26  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 #define ATRACE_TAG (ATRACE_TAG_GRAPHICS | ATRACE_TAG_HAL)
31 #include <log/log.h>
32 #include <cutils/trace.h>
33 #include <sync/sync.h>
34 #include <utils/Trace.h>
35 #include <algorithm>
36 #include <sstream>
37 #include <string>
38 
39 #include "gr_buf_descriptor.h"
40 #include "gr_device_impl.h"
41 #include "gr_utils.h"
42 #include "gralloc_priv.h"
43 #include "qdMetaData.h"
44 #include "qd_utils.h"
45 
46 int gralloc_device_open(const struct hw_module_t *module, const char *name, hw_device_t **device);
47 
48 int gralloc_device_close(struct hw_device_t *device);
49 
50 static struct hw_module_methods_t gralloc_module_methods = {.open = gralloc_device_open};
51 
52 struct gralloc_module_t HAL_MODULE_INFO_SYM = {
53     // clang-format off
54     .common = {
55             .tag = HARDWARE_MODULE_TAG,
56             .module_api_version = GRALLOC_MODULE_API_VERSION_1_0,
57             .hal_api_version = HARDWARE_HAL_API_VERSION,
58             .id = GRALLOC_HARDWARE_MODULE_ID,
59             .name = "Graphics Memory Module",
60             .author = "Code Aurora Forum",
61             .methods = &gralloc_module_methods,
62             .dso = 0,
63             .reserved = {0},
64         },
65     // clang-format on
66 };
67 
gralloc_device_open(const struct hw_module_t * module,const char * name,hw_device_t ** device)68 int gralloc_device_open(const struct hw_module_t *module, const char *name, hw_device_t **device) {
69   int status = -EINVAL;
70   if (module && device && !strcmp(name, GRALLOC_HARDWARE_MODULE_ID)) {
71     gralloc::GrallocImpl * /*gralloc1_device_t*/ dev = gralloc::GrallocImpl::GetInstance(module);
72     *device = reinterpret_cast<hw_device_t *>(dev);
73     if (dev) {
74       status = 0;
75     } else {
76       ALOGE("Fatal error opening gralloc1 device");
77     }
78   }
79   return status;
80 }
81 
82 namespace gralloc {
83 
84 std::atomic<uint64_t> GrallocImpl::next_descriptor_id_(1);
85 
GrallocImpl(const hw_module_t * module)86 GrallocImpl::GrallocImpl(const hw_module_t *module) {
87   common.tag = HARDWARE_DEVICE_TAG;
88   common.version = GRALLOC_MODULE_API_VERSION_1_0;
89   common.module = const_cast<hw_module_t *>(module);
90   common.close = CloseDevice;
91   getFunction = GetFunction;
92   getCapabilities = GetCapabilities;
93 
94   initialized_ = Init();
95 }
96 
ToError(Error error)97 inline gralloc1_error_t ToError(Error error) {
98   switch (error) {
99     case Error::NONE:
100       return GRALLOC1_ERROR_NONE;
101     case Error::BAD_DESCRIPTOR:
102       return GRALLOC1_ERROR_BAD_DESCRIPTOR;
103     case Error::BAD_BUFFER:
104       return GRALLOC1_ERROR_BAD_HANDLE;
105     case Error::BAD_VALUE:
106       return GRALLOC1_ERROR_BAD_VALUE;
107     case Error::NO_RESOURCES:
108       return GRALLOC1_ERROR_NO_RESOURCES;
109     case Error::UNSUPPORTED:
110     default:
111       return GRALLOC1_ERROR_UNSUPPORTED;
112   }
113 }
114 
ProducerUsageToBufferUsage(gralloc1_producer_usage_t producer_usage)115 static uint64_t ProducerUsageToBufferUsage(gralloc1_producer_usage_t producer_usage) {
116   uint64_t usage = producer_usage & ~(GRALLOC1_PRODUCER_USAGE_CPU_READ_OFTEN |
117                                       GRALLOC1_PRODUCER_USAGE_CPU_WRITE_OFTEN);
118   if ((producer_usage & GRALLOC1_PRODUCER_USAGE_CPU_READ_OFTEN) ==
119       GRALLOC1_PRODUCER_USAGE_CPU_READ_OFTEN) {
120     usage |= BufferUsage::CPU_READ_OFTEN;
121   } else if ((producer_usage & GRALLOC1_PRODUCER_USAGE_CPU_READ) ==
122              GRALLOC1_PRODUCER_USAGE_CPU_READ) {
123     usage |= BufferUsage::CPU_READ_RARELY;
124   }
125 
126   if ((producer_usage & GRALLOC1_PRODUCER_USAGE_CPU_WRITE_OFTEN) ==
127       GRALLOC1_PRODUCER_USAGE_CPU_WRITE_OFTEN) {
128     usage |= BufferUsage::CPU_WRITE_OFTEN;
129   } else if ((producer_usage & GRALLOC1_PRODUCER_USAGE_CPU_WRITE) ==
130              GRALLOC1_PRODUCER_USAGE_CPU_WRITE) {
131     usage |= BufferUsage::CPU_WRITE_RARELY;
132   }
133   return usage;
134 }
135 
ConsumerUsageToBufferUsage(gralloc1_consumer_usage_t consumer_usage)136 static uint64_t ConsumerUsageToBufferUsage(gralloc1_consumer_usage_t consumer_usage) {
137   uint64_t usage = consumer_usage & ~(GRALLOC1_CONSUMER_USAGE_CPU_READ_OFTEN);
138   if ((consumer_usage & GRALLOC1_CONSUMER_USAGE_CPU_READ_OFTEN) ==
139       GRALLOC1_CONSUMER_USAGE_CPU_READ_OFTEN) {
140     usage |= BufferUsage::CPU_READ_OFTEN;
141   } else if ((consumer_usage & GRALLOC1_CONSUMER_USAGE_CPU_READ) ==
142              GRALLOC1_CONSUMER_USAGE_CPU_READ) {
143     usage |= BufferUsage::CPU_READ_RARELY;
144   }
145   return usage;
146 }
147 
Init()148 bool GrallocImpl::Init() {
149   buf_mgr_ = BufferManager::GetInstance();
150   return buf_mgr_ != nullptr;
151 }
152 
~GrallocImpl()153 GrallocImpl::~GrallocImpl() {}
154 
CreateBufferDescriptorLocked(gralloc1_buffer_descriptor_t * descriptor_id)155 gralloc1_error_t GrallocImpl::CreateBufferDescriptorLocked(
156     gralloc1_buffer_descriptor_t *descriptor_id) {
157   std::lock_guard<std::mutex> lock(descriptor_lock_);
158   auto descriptor = std::make_shared<BufferDescriptor>(next_descriptor_id_++);
159   *descriptor_id = static_cast<gralloc1_buffer_descriptor_t>(descriptor->GetId());
160   descriptors_map_.emplace(*descriptor_id, descriptor);
161   return GRALLOC1_ERROR_NONE;
162 }
163 
DestroyBufferDescriptorLocked(gralloc1_buffer_descriptor_t descriptor_id)164 gralloc1_error_t GrallocImpl::DestroyBufferDescriptorLocked(
165     gralloc1_buffer_descriptor_t descriptor_id) {
166   std::lock_guard<std::mutex> lock(descriptor_lock_);
167   const auto descriptor = descriptors_map_.find(descriptor_id);
168   if (descriptor == descriptors_map_.end()) {
169     return GRALLOC1_ERROR_BAD_DESCRIPTOR;
170   }
171   descriptors_map_.erase(descriptor);
172   return GRALLOC1_ERROR_NONE;
173 }
174 
CloseDevice(hw_device_t * device __unused)175 int GrallocImpl::CloseDevice(hw_device_t *device __unused) {
176   // No-op since the gralloc device is a singleton
177   return 0;
178 }
179 
GetCapabilities(struct gralloc1_device * device,uint32_t * out_count,int32_t * out_capabilities)180 void GrallocImpl::GetCapabilities(struct gralloc1_device *device, uint32_t *out_count,
181                                   int32_t /*gralloc1_capability_t*/ *out_capabilities) {
182   if (device != nullptr && out_count != nullptr) {
183     if (out_capabilities != nullptr && *out_count >= 3) {
184       out_capabilities[0] = GRALLOC1_CAPABILITY_TEST_ALLOCATE;
185       out_capabilities[1] = GRALLOC1_CAPABILITY_LAYERED_BUFFERS;
186       out_capabilities[2] = GRALLOC1_CAPABILITY_RELEASE_IMPLY_DELETE;
187     }
188     *out_count = 3;
189   }
190   return;
191 }
192 
GetFunction(gralloc1_device_t * device,int32_t function)193 gralloc1_function_pointer_t GrallocImpl::GetFunction(gralloc1_device_t *device, int32_t function) {
194   if (!device) {
195     return NULL;
196   }
197 
198   switch (function) {
199     case GRALLOC1_FUNCTION_DUMP:
200       return reinterpret_cast<gralloc1_function_pointer_t>(Dump);
201     case GRALLOC1_FUNCTION_CREATE_DESCRIPTOR:
202       return reinterpret_cast<gralloc1_function_pointer_t>(CreateBufferDescriptor);
203     case GRALLOC1_FUNCTION_DESTROY_DESCRIPTOR:
204       return reinterpret_cast<gralloc1_function_pointer_t>(DestroyBufferDescriptor);
205     case GRALLOC1_FUNCTION_SET_CONSUMER_USAGE:
206       return reinterpret_cast<gralloc1_function_pointer_t>(SetConsumerUsage);
207     case GRALLOC1_FUNCTION_SET_DIMENSIONS:
208       return reinterpret_cast<gralloc1_function_pointer_t>(SetBufferDimensions);
209     case GRALLOC1_FUNCTION_SET_FORMAT:
210       return reinterpret_cast<gralloc1_function_pointer_t>(SetColorFormat);
211     case GRALLOC1_FUNCTION_SET_LAYER_COUNT:
212       return reinterpret_cast<gralloc1_function_pointer_t>(SetLayerCount);
213     case GRALLOC1_FUNCTION_SET_PRODUCER_USAGE:
214       return reinterpret_cast<gralloc1_function_pointer_t>(SetProducerUsage);
215     case GRALLOC1_FUNCTION_GET_BACKING_STORE:
216       return reinterpret_cast<gralloc1_function_pointer_t>(GetBackingStore);
217     case GRALLOC1_FUNCTION_GET_CONSUMER_USAGE:
218       return reinterpret_cast<gralloc1_function_pointer_t>(GetConsumerUsage);
219     case GRALLOC1_FUNCTION_GET_DIMENSIONS:
220       return reinterpret_cast<gralloc1_function_pointer_t>(GetBufferDimensions);
221     case GRALLOC1_FUNCTION_GET_FORMAT:
222       return reinterpret_cast<gralloc1_function_pointer_t>(GetColorFormat);
223     case GRALLOC1_FUNCTION_GET_LAYER_COUNT:
224       return reinterpret_cast<gralloc1_function_pointer_t>(GetLayerCount);
225     case GRALLOC1_FUNCTION_GET_PRODUCER_USAGE:
226       return reinterpret_cast<gralloc1_function_pointer_t>(GetProducerUsage);
227     case GRALLOC1_FUNCTION_GET_STRIDE:
228       return reinterpret_cast<gralloc1_function_pointer_t>(GetBufferStride);
229     case GRALLOC1_FUNCTION_ALLOCATE:
230       return reinterpret_cast<gralloc1_function_pointer_t>(AllocateBuffers);
231     case GRALLOC1_FUNCTION_RETAIN:
232       return reinterpret_cast<gralloc1_function_pointer_t>(RetainBuffer);
233     case GRALLOC1_FUNCTION_RELEASE:
234       return reinterpret_cast<gralloc1_function_pointer_t>(ReleaseBuffer);
235     case GRALLOC1_FUNCTION_GET_NUM_FLEX_PLANES:
236       return reinterpret_cast<gralloc1_function_pointer_t>(GetNumFlexPlanes);
237     case GRALLOC1_FUNCTION_LOCK:
238       return reinterpret_cast<gralloc1_function_pointer_t>(LockBuffer);
239     case GRALLOC1_FUNCTION_LOCK_FLEX:
240       return reinterpret_cast<gralloc1_function_pointer_t>(LockFlex);
241     case GRALLOC1_FUNCTION_UNLOCK:
242       return reinterpret_cast<gralloc1_function_pointer_t>(UnlockBuffer);
243     case GRALLOC1_FUNCTION_PERFORM:
244       return reinterpret_cast<gralloc1_function_pointer_t>(Gralloc1Perform);
245     default:
246       ALOGE("%s:Gralloc Error. Client Requested for unsupported function", __FUNCTION__);
247       return NULL;
248   }
249 
250   return NULL;
251 }
252 
Dump(gralloc1_device_t * device,uint32_t * out_size,char * out_buffer)253 gralloc1_error_t GrallocImpl::Dump(gralloc1_device_t *device, uint32_t *out_size,
254                                    char *out_buffer) {
255   if (!device || !out_size) {
256     ALOGE("Gralloc Error : device=%p", (void *)device);
257     return GRALLOC1_ERROR_BAD_DESCRIPTOR;
258   }
259   const size_t max_dump_size = 8192;
260   if (out_buffer == nullptr) {
261     *out_size = max_dump_size;
262   } else {
263     std::ostringstream os;
264     os << "-------------------------------" << std::endl;
265     os << "QTI gralloc dump:" << std::endl;
266     os << "-------------------------------" << std::endl;
267     GrallocImpl const *dev = GRALLOC_IMPL(device);
268     dev->buf_mgr_->Dump(&os);
269     os << "-------------------------------" << std::endl;
270     auto copied = os.str().copy(out_buffer, std::min(os.str().size(), max_dump_size), 0);
271     *out_size = UINT(copied);
272   }
273 
274   return GRALLOC1_ERROR_NONE;
275 }
276 
CheckDeviceAndHandle(gralloc1_device_t * device,buffer_handle_t buffer)277 gralloc1_error_t GrallocImpl::CheckDeviceAndHandle(gralloc1_device_t *device,
278                                                    buffer_handle_t buffer) {
279   const private_handle_t *hnd = PRIV_HANDLE_CONST(buffer);
280   if (!device || (private_handle_t::validate(hnd) != 0)) {
281     ALOGE("Gralloc Error : device= %p, buffer-handle=%p", (void *)device, (void *)buffer);
282     return GRALLOC1_ERROR_BAD_HANDLE;
283   }
284 
285   return GRALLOC1_ERROR_NONE;
286 }
287 
CreateBufferDescriptor(gralloc1_device_t * device,gralloc1_buffer_descriptor_t * out_descriptor)288 gralloc1_error_t GrallocImpl::CreateBufferDescriptor(gralloc1_device_t *device,
289                                                      gralloc1_buffer_descriptor_t *out_descriptor) {
290   if (!device || !out_descriptor) {
291     return GRALLOC1_ERROR_BAD_DESCRIPTOR;
292   }
293   auto *dev = reinterpret_cast<GrallocImpl *>(device);
294   return dev->CreateBufferDescriptorLocked(out_descriptor);
295 }
296 
DestroyBufferDescriptor(gralloc1_device_t * device,gralloc1_buffer_descriptor_t descriptor)297 gralloc1_error_t GrallocImpl::DestroyBufferDescriptor(gralloc1_device_t *device,
298                                                       gralloc1_buffer_descriptor_t descriptor) {
299   if (!device) {
300     return GRALLOC1_ERROR_BAD_DESCRIPTOR;
301   }
302   auto *dev = reinterpret_cast<GrallocImpl *>(device);
303   return dev->DestroyBufferDescriptorLocked(descriptor);
304 }
305 
SetConsumerUsage(gralloc1_device_t * device,gralloc1_buffer_descriptor_t descriptor,gralloc1_consumer_usage_t usage)306 gralloc1_error_t GrallocImpl::SetConsumerUsage(gralloc1_device_t *device,
307                                                gralloc1_buffer_descriptor_t descriptor,
308                                                gralloc1_consumer_usage_t usage) {
309   if (!device) {
310     return GRALLOC1_ERROR_BAD_DESCRIPTOR;
311   } else {
312     auto *dev = reinterpret_cast<GrallocImpl *>(device);
313     return dev->CallBufferDescriptorFunction(descriptor, &BufferDescriptor::SetUsage,
314                                              ConsumerUsageToBufferUsage(usage));
315   }
316 }
317 
SetBufferDimensions(gralloc1_device_t * device,gralloc1_buffer_descriptor_t descriptor,uint32_t width,uint32_t height)318 gralloc1_error_t GrallocImpl::SetBufferDimensions(gralloc1_device_t *device,
319                                                   gralloc1_buffer_descriptor_t descriptor,
320                                                   uint32_t width, uint32_t height) {
321   if (!device) {
322     return GRALLOC1_ERROR_BAD_DESCRIPTOR;
323   } else {
324     auto *dev = reinterpret_cast<GrallocImpl *>(device);
325     return dev->CallBufferDescriptorFunction(descriptor, &BufferDescriptor::SetDimensions,
326                                              INT(width), INT(height));
327   }
328 }
329 
SetColorFormat(gralloc1_device_t * device,gralloc1_buffer_descriptor_t descriptor,int32_t format)330 gralloc1_error_t GrallocImpl::SetColorFormat(gralloc1_device_t *device,
331                                              gralloc1_buffer_descriptor_t descriptor,
332                                              int32_t format) {
333   if (!device) {
334     return GRALLOC1_ERROR_BAD_DESCRIPTOR;
335   } else {
336     auto *dev = reinterpret_cast<GrallocImpl *>(device);
337     return dev->CallBufferDescriptorFunction(descriptor, &BufferDescriptor::SetColorFormat, format);
338   }
339 }
340 
SetLayerCount(gralloc1_device_t * device,gralloc1_buffer_descriptor_t descriptor,uint32_t layer_count)341 gralloc1_error_t GrallocImpl::SetLayerCount(gralloc1_device_t *device,
342                                             gralloc1_buffer_descriptor_t descriptor,
343                                             uint32_t layer_count) {
344   if (!device) {
345     return GRALLOC1_ERROR_BAD_DESCRIPTOR;
346   } else {
347     auto *dev = reinterpret_cast<GrallocImpl *>(device);
348     return dev->CallBufferDescriptorFunction(descriptor, &BufferDescriptor::SetLayerCount,
349                                              layer_count);
350   }
351 }
352 
SetProducerUsage(gralloc1_device_t * device,gralloc1_buffer_descriptor_t descriptor,gralloc1_producer_usage_t usage)353 gralloc1_error_t GrallocImpl::SetProducerUsage(gralloc1_device_t *device,
354                                                gralloc1_buffer_descriptor_t descriptor,
355                                                gralloc1_producer_usage_t usage) {
356   if (!device) {
357     return GRALLOC1_ERROR_BAD_DESCRIPTOR;
358   } else {
359     auto *dev = reinterpret_cast<GrallocImpl *>(device);
360     return dev->CallBufferDescriptorFunction(descriptor, &BufferDescriptor::SetUsage,
361                                              ProducerUsageToBufferUsage(usage));
362   }
363 }
364 
GetBackingStore(gralloc1_device_t * device,buffer_handle_t buffer,gralloc1_backing_store_t * out_backstore)365 gralloc1_error_t GrallocImpl::GetBackingStore(gralloc1_device_t *device, buffer_handle_t buffer,
366                                               gralloc1_backing_store_t *out_backstore) {
367   if (!out_backstore) {
368     return GRALLOC1_ERROR_BAD_VALUE;
369   }
370 
371   gralloc1_error_t status = CheckDeviceAndHandle(device, buffer);
372   if (status == GRALLOC1_ERROR_NONE) {
373     *out_backstore =
374         static_cast<gralloc1_backing_store_t>(PRIV_HANDLE_CONST(buffer)->GetBackingstore());
375   }
376 
377   return status;
378 }
379 
GetConsumerUsage(gralloc1_device_t * device,buffer_handle_t buffer,gralloc1_consumer_usage_t * outUsage)380 gralloc1_error_t GrallocImpl::GetConsumerUsage(gralloc1_device_t *device, buffer_handle_t buffer,
381                                                gralloc1_consumer_usage_t *outUsage) {
382   if (!outUsage) {
383     return GRALLOC1_ERROR_BAD_VALUE;
384   }
385 
386   gralloc1_error_t status = CheckDeviceAndHandle(device, buffer);
387   if (status == GRALLOC1_ERROR_NONE) {
388     *outUsage = static_cast<gralloc1_consumer_usage_t>(PRIV_HANDLE_CONST(buffer)->GetUsage());
389   }
390 
391   return status;
392 }
393 
GetBufferDimensions(gralloc1_device_t * device,buffer_handle_t buffer,uint32_t * outWidth,uint32_t * outHeight)394 gralloc1_error_t GrallocImpl::GetBufferDimensions(gralloc1_device_t *device, buffer_handle_t buffer,
395                                                   uint32_t *outWidth, uint32_t *outHeight) {
396   if (!outWidth || !outHeight) {
397     return GRALLOC1_ERROR_BAD_VALUE;
398   }
399 
400   gralloc1_error_t status = CheckDeviceAndHandle(device, buffer);
401   if (status == GRALLOC1_ERROR_NONE) {
402     const private_handle_t *hnd = PRIV_HANDLE_CONST(buffer);
403     *outWidth = UINT(hnd->GetUnalignedWidth());
404     *outHeight = UINT(hnd->GetUnalignedHeight());
405   }
406 
407   return status;
408 }
409 
GetColorFormat(gralloc1_device_t * device,buffer_handle_t buffer,int32_t * outFormat)410 gralloc1_error_t GrallocImpl::GetColorFormat(gralloc1_device_t *device, buffer_handle_t buffer,
411                                              int32_t *outFormat) {
412   if (!outFormat) {
413     return GRALLOC1_ERROR_BAD_VALUE;
414   }
415 
416   gralloc1_error_t status = CheckDeviceAndHandle(device, buffer);
417   if (status == GRALLOC1_ERROR_NONE) {
418     *outFormat = PRIV_HANDLE_CONST(buffer)->GetColorFormat();
419   }
420 
421   return status;
422 }
423 
GetLayerCount(gralloc1_device_t * device,buffer_handle_t buffer,uint32_t * outLayerCount)424 gralloc1_error_t GrallocImpl::GetLayerCount(gralloc1_device_t *device, buffer_handle_t buffer,
425                                             uint32_t *outLayerCount) {
426   if (!outLayerCount) {
427     return GRALLOC1_ERROR_BAD_VALUE;
428   }
429 
430   gralloc1_error_t status = CheckDeviceAndHandle(device, buffer);
431   if (status == GRALLOC1_ERROR_NONE) {
432     *outLayerCount = PRIV_HANDLE_CONST(buffer)->GetLayerCount();
433   }
434 
435   return status;
436 }
437 
GetProducerUsage(gralloc1_device_t * device,buffer_handle_t buffer,gralloc1_producer_usage_t * outUsage)438 gralloc1_error_t GrallocImpl::GetProducerUsage(gralloc1_device_t *device, buffer_handle_t buffer,
439                                                gralloc1_producer_usage_t *outUsage) {
440   if (!outUsage) {
441     return GRALLOC1_ERROR_BAD_VALUE;
442   }
443 
444   gralloc1_error_t status = CheckDeviceAndHandle(device, buffer);
445   if (status == GRALLOC1_ERROR_NONE) {
446     *outUsage = static_cast<gralloc1_producer_usage_t>(PRIV_HANDLE_CONST(buffer)->GetUsage());
447   }
448 
449   return status;
450 }
451 
GetBufferStride(gralloc1_device_t * device,buffer_handle_t buffer,uint32_t * outStride)452 gralloc1_error_t GrallocImpl::GetBufferStride(gralloc1_device_t *device, buffer_handle_t buffer,
453                                               uint32_t *outStride) {
454   if (!outStride) {
455     return GRALLOC1_ERROR_BAD_VALUE;
456   }
457 
458   gralloc1_error_t status = CheckDeviceAndHandle(device, buffer);
459   if (status == GRALLOC1_ERROR_NONE) {
460     *outStride = UINT(PRIV_HANDLE_CONST(buffer)->GetStride());
461   }
462 
463   return status;
464 }
465 
AllocateBuffer(const gralloc1_buffer_descriptor_t * descriptor_ids,buffer_handle_t * out_buffers)466 gralloc1_error_t GrallocImpl::AllocateBuffer(const gralloc1_buffer_descriptor_t *descriptor_ids,
467                                              buffer_handle_t *out_buffers) {
468   gralloc1_error_t status = GRALLOC1_ERROR_NONE;
469 
470   // Validate descriptor
471   std::lock_guard<std::mutex> descriptor_lock(descriptor_lock_);
472   std::shared_ptr<gralloc::BufferDescriptor> descriptor;
473   const auto map_descriptor = descriptors_map_.find(descriptor_ids[0]);
474   if (map_descriptor == descriptors_map_.end()) {
475     return GRALLOC1_ERROR_BAD_DESCRIPTOR;
476   } else {
477     descriptor = map_descriptor->second;
478   }
479 
480   // Allocate separate buffer for each descriptor
481   if (buf_mgr_->AllocateBuffer(*descriptor, &out_buffers[0]) != Error::NONE) {
482     return GRALLOC1_ERROR_NO_RESOURCES;
483   }
484 
485   return status;
486 }
487 
AllocateBuffers(gralloc1_device_t * device,uint32_t num_descriptors,const gralloc1_buffer_descriptor_t * descriptors,buffer_handle_t * out_buffers)488 gralloc1_error_t GrallocImpl::AllocateBuffers(gralloc1_device_t *device, uint32_t num_descriptors,
489                                               const gralloc1_buffer_descriptor_t *descriptors,
490                                               buffer_handle_t *out_buffers) {
491   if (!num_descriptors || !descriptors) {
492     return GRALLOC1_ERROR_BAD_DESCRIPTOR;
493   }
494 
495   if (!device) {
496     return GRALLOC1_ERROR_BAD_VALUE;
497   }
498 
499   if (num_descriptors != 1) {
500     return GRALLOC1_ERROR_UNSUPPORTED;
501   }
502 
503   auto *dev = reinterpret_cast<GrallocImpl *>(device);
504   gralloc1_error_t status = dev->AllocateBuffer(descriptors, out_buffers);
505 
506   return status;
507 }
508 
RetainBuffer(gralloc1_device_t * device,buffer_handle_t buffer)509 gralloc1_error_t GrallocImpl::RetainBuffer(gralloc1_device_t *device, buffer_handle_t buffer) {
510   gralloc1_error_t status = CheckDeviceAndHandle(device, buffer);
511   if (status == GRALLOC1_ERROR_NONE) {
512     const private_handle_t *hnd = PRIV_HANDLE_CONST(buffer);
513     GrallocImpl const *dev = GRALLOC_IMPL(device);
514     status = ToError(dev->buf_mgr_->RetainBuffer(hnd));
515   }
516 
517   return status;
518 }
519 
ReleaseBuffer(gralloc1_device_t * device,buffer_handle_t buffer)520 gralloc1_error_t GrallocImpl::ReleaseBuffer(gralloc1_device_t *device, buffer_handle_t buffer) {
521   if (!device || !buffer) {
522     return GRALLOC1_ERROR_BAD_DESCRIPTOR;
523   }
524 
525   const private_handle_t *hnd = PRIV_HANDLE_CONST(buffer);
526   GrallocImpl const *dev = GRALLOC_IMPL(device);
527   return ToError(dev->buf_mgr_->ReleaseBuffer(hnd));
528 }
529 
GetFlexLayout(const private_handle_t * hnd,struct android_flex_layout * layout)530 gralloc1_error_t GrallocImpl::GetFlexLayout(const private_handle_t *hnd,
531                                             struct android_flex_layout *layout) {
532   if (!IsYuvFormat(hnd->format)) {
533     return GRALLOC1_ERROR_UNSUPPORTED;
534   }
535 
536   android_ycbcr yuvPlaneInfo[2];
537   int err = GetYUVPlaneInfo(hnd, yuvPlaneInfo);
538 
539   if (err != 0) {
540     return GRALLOC1_ERROR_BAD_HANDLE;
541   }
542 
543   layout->format = FLEX_FORMAT_YCbCr;
544   layout->num_planes = 3;
545 
546   for (uint32_t i = 0; i < layout->num_planes; i++) {
547     layout->planes[i].bits_per_component = 8;
548     layout->planes[i].bits_used = 8;
549     layout->planes[i].h_increment = 1;
550     layout->planes[i].v_increment = 1;
551     layout->planes[i].h_subsampling = 2;
552     layout->planes[i].v_subsampling = 2;
553   }
554 
555   // We are only returning flex layout for progressive or single field formats.
556   struct android_ycbcr ycbcr = yuvPlaneInfo[0];
557   layout->planes[0].top_left = static_cast<uint8_t *>(ycbcr.y);
558   layout->planes[0].component = FLEX_COMPONENT_Y;
559   layout->planes[0].v_increment = static_cast<int32_t>(ycbcr.ystride);
560 
561   layout->planes[1].top_left = static_cast<uint8_t *>(ycbcr.cb);
562   layout->planes[1].component = FLEX_COMPONENT_Cb;
563   layout->planes[1].h_increment = static_cast<int32_t>(ycbcr.chroma_step);
564   layout->planes[1].v_increment = static_cast<int32_t>(ycbcr.cstride);
565 
566   layout->planes[2].top_left = static_cast<uint8_t *>(ycbcr.cr);
567   layout->planes[2].component = FLEX_COMPONENT_Cr;
568   layout->planes[2].h_increment = static_cast<int32_t>(ycbcr.chroma_step);
569   layout->planes[2].v_increment = static_cast<int32_t>(ycbcr.cstride);
570   return GRALLOC1_ERROR_NONE;
571 }
572 
GetNumFlexPlanes(gralloc1_device_t * device,buffer_handle_t buffer,uint32_t * out_num_planes)573 gralloc1_error_t GrallocImpl::GetNumFlexPlanes(gralloc1_device_t *device, buffer_handle_t buffer,
574                                                uint32_t *out_num_planes) {
575   if (!out_num_planes) {
576     return GRALLOC1_ERROR_BAD_VALUE;
577   }
578 
579   gralloc1_error_t status = CheckDeviceAndHandle(device, buffer);
580   if (status == GRALLOC1_ERROR_NONE) {
581     const private_handle_t *hnd = PRIV_HANDLE_CONST(buffer);
582     if (!IsYuvFormat(hnd->format)) {
583       status = GRALLOC1_ERROR_UNSUPPORTED;
584     } else {
585       *out_num_planes = 3;
586     }
587   }
588   return status;
589 }
590 
CloseFdIfValid(int fd)591 static inline void CloseFdIfValid(int fd) {
592   if (fd > 0) {
593     close(fd);
594   }
595 }
596 
LockBuffer(gralloc1_device_t * device,buffer_handle_t buffer,gralloc1_producer_usage_t prod_usage,gralloc1_consumer_usage_t cons_usage,const gralloc1_rect_t * region,void ** out_data,int32_t acquire_fence)597 gralloc1_error_t GrallocImpl::LockBuffer(gralloc1_device_t *device, buffer_handle_t buffer,
598                                          gralloc1_producer_usage_t prod_usage,
599                                          gralloc1_consumer_usage_t cons_usage,
600                                          const gralloc1_rect_t *region, void **out_data,
601                                          int32_t acquire_fence) {
602   ATRACE_CALL();
603   gralloc1_error_t status = CheckDeviceAndHandle(device, buffer);
604   if (status != GRALLOC1_ERROR_NONE || !out_data ||
605       !region) {  // currently we ignore the region/rect client wants to lock
606     CloseFdIfValid(acquire_fence);
607     return status;
608   }
609 
610   if (acquire_fence > 0) {
611     ATRACE_BEGIN("fence wait");
612     int error = sync_wait(acquire_fence, 1000);
613     ATRACE_END();
614     CloseFdIfValid(acquire_fence);
615     if (error < 0) {
616       ALOGE("%s: sync_wait timedout! error = %s", __FUNCTION__, strerror(errno));
617       return GRALLOC1_ERROR_UNDEFINED;
618     }
619   }
620 
621   const private_handle_t *hnd = PRIV_HANDLE_CONST(buffer);
622   GrallocImpl const *dev = GRALLOC_IMPL(device);
623 
624   // Either producer usage or consumer usage must be *_USAGE_NONE
625   if ((prod_usage != GRALLOC1_PRODUCER_USAGE_NONE) &&
626       (cons_usage != GRALLOC1_CONSUMER_USAGE_NONE)) {
627     // Current gralloc1 clients do not satisfy this restriction.
628     // See b/33588773 for details
629     // return GRALLOC1_ERROR_BAD_VALUE;
630   }
631 
632   status = ToError(dev->buf_mgr_->LockBuffer(
633       hnd, ProducerUsageToBufferUsage(prod_usage) | ConsumerUsageToBufferUsage(cons_usage)));
634   *out_data = reinterpret_cast<void *>(hnd->base);
635 
636   return status;
637 }
638 
LockFlex(gralloc1_device_t * device,buffer_handle_t buffer,gralloc1_producer_usage_t prod_usage,gralloc1_consumer_usage_t cons_usage,const gralloc1_rect_t * region,struct android_flex_layout * out_flex_layout,int32_t acquire_fence)639 gralloc1_error_t GrallocImpl::LockFlex(gralloc1_device_t *device, buffer_handle_t buffer,
640                                        gralloc1_producer_usage_t prod_usage,
641                                        gralloc1_consumer_usage_t cons_usage,
642                                        const gralloc1_rect_t *region,
643                                        struct android_flex_layout *out_flex_layout,
644                                        int32_t acquire_fence) {
645   if (!out_flex_layout) {
646     CloseFdIfValid(acquire_fence);
647     return GRALLOC1_ERROR_BAD_VALUE;
648   }
649 
650   void *out_data{};
651   gralloc1_error_t status = GrallocImpl::LockBuffer(device, buffer, prod_usage, cons_usage, region,
652                                                     &out_data, acquire_fence);
653   if (status != GRALLOC1_ERROR_NONE) {
654     return status;
655   }
656 
657   auto *dev = reinterpret_cast<GrallocImpl *>(device);
658   const private_handle_t *hnd = PRIV_HANDLE_CONST(buffer);
659   dev->GetFlexLayout(hnd, out_flex_layout);
660   return status;
661 }
662 
UnlockBuffer(gralloc1_device_t * device,buffer_handle_t buffer,int32_t * release_fence)663 gralloc1_error_t GrallocImpl::UnlockBuffer(gralloc1_device_t *device, buffer_handle_t buffer,
664                                            int32_t *release_fence) {
665   gralloc1_error_t status = CheckDeviceAndHandle(device, buffer);
666   if (status != GRALLOC1_ERROR_NONE) {
667     return status;
668   }
669 
670   if (!release_fence) {
671     return GRALLOC1_ERROR_BAD_VALUE;
672   }
673 
674   const private_handle_t *hnd = PRIV_HANDLE_CONST(buffer);
675   GrallocImpl const *dev = GRALLOC_IMPL(device);
676 
677   *release_fence = -1;
678 
679   return ToError(dev->buf_mgr_->UnlockBuffer(hnd));
680 }
681 
Perform(int operation,va_list args)682 static gralloc1_error_t Perform(int operation, va_list args) {
683   switch (operation) {
684     case GRALLOC_MODULE_PERFORM_GET_STRIDE: {
685       int width = va_arg(args, int);
686       int format = va_arg(args, int);
687       int *stride = va_arg(args, int *);
688       unsigned int alignedw = 0, alignedh = 0;
689 
690       if (!stride) {
691         return GRALLOC1_ERROR_BAD_VALUE;
692       }
693 
694       BufferInfo info(width, width, format);
695       GetAlignedWidthAndHeight(info, &alignedw, &alignedh);
696       *stride = INT(alignedw);
697     } break;
698 
699     case GRALLOC_MODULE_PERFORM_GET_CUSTOM_STRIDE_FROM_HANDLE: {
700       private_handle_t *hnd = va_arg(args, private_handle_t *);
701       int *stride = va_arg(args, int *);
702       if (private_handle_t::validate(hnd) != 0) {
703         return GRALLOC1_ERROR_BAD_HANDLE;
704       }
705 
706       if (!stride) {
707         return GRALLOC1_ERROR_BAD_VALUE;
708       }
709 
710       BufferDim_t buffer_dim;
711       if (getMetaData(hnd, GET_BUFFER_GEOMETRY, &buffer_dim) == 0) {
712         *stride = buffer_dim.sliceWidth;
713       } else {
714         *stride = hnd->width;
715       }
716     } break;
717 
718     case GRALLOC_MODULE_PERFORM_GET_CUSTOM_STRIDE_AND_HEIGHT_FROM_HANDLE: {
719       private_handle_t *hnd = va_arg(args, private_handle_t *);
720       int *stride = va_arg(args, int *);
721       int *height = va_arg(args, int *);
722       if (private_handle_t::validate(hnd) != 0) {
723         return GRALLOC1_ERROR_BAD_HANDLE;
724       }
725 
726       if (!stride || !height) {
727         return GRALLOC1_ERROR_BAD_VALUE;
728       }
729 
730       GetCustomDimensions(hnd, stride, height);
731     } break;
732 
733     case GRALLOC_MODULE_PERFORM_GET_ATTRIBUTES: {
734       int width = va_arg(args, int);
735       int height = va_arg(args, int);
736       int format = va_arg(args, int);
737       uint64_t usage = va_arg(args, uint64_t);
738       usage |= va_arg(args, uint64_t);
739 
740       int *aligned_width = va_arg(args, int *);
741       int *aligned_height = va_arg(args, int *);
742       int *tile_enabled = va_arg(args, int *);
743       if (!aligned_width || !aligned_height || !tile_enabled) {
744         return GRALLOC1_ERROR_BAD_VALUE;
745       }
746 
747       unsigned int alignedw, alignedh;
748       BufferInfo info(width, height, format, usage);
749       *tile_enabled = IsUBwcEnabled(format, usage);
750       GetAlignedWidthAndHeight(info, &alignedw, &alignedh);
751       *aligned_width = INT(alignedw);
752       *aligned_height = INT(alignedh);
753     } break;
754 
755     case GRALLOC_MODULE_PERFORM_GET_COLOR_SPACE_FROM_HANDLE: {
756       private_handle_t *hnd = va_arg(args, private_handle_t *);
757       int *color_space = va_arg(args, int *);
758 
759       if (private_handle_t::validate(hnd) != 0) {
760         return GRALLOC1_ERROR_BAD_HANDLE;
761       }
762 
763       if (!color_space) {
764         return GRALLOC1_ERROR_BAD_VALUE;
765       }
766 
767       *color_space = 0;
768       GetColorSpaceFromMetadata(hnd, color_space);
769     } break;
770     case GRALLOC_MODULE_PERFORM_GET_YUV_PLANE_INFO: {
771       private_handle_t *hnd = va_arg(args, private_handle_t *);
772       android_ycbcr *ycbcr = va_arg(args, struct android_ycbcr *);
773       if (private_handle_t::validate(hnd) != 0) {
774         return GRALLOC1_ERROR_BAD_HANDLE;
775       }
776 
777       if (!ycbcr) {
778         return GRALLOC1_ERROR_BAD_VALUE;
779       }
780 
781       if (GetYUVPlaneInfo(hnd, ycbcr)) {
782         return GRALLOC1_ERROR_UNDEFINED;
783       }
784     } break;
785 
786     case GRALLOC_MODULE_PERFORM_GET_MAP_SECURE_BUFFER_INFO: {
787       private_handle_t *hnd = va_arg(args, private_handle_t *);
788       int *map_secure_buffer = va_arg(args, int *);
789 
790       if (private_handle_t::validate(hnd) != 0) {
791         return GRALLOC1_ERROR_BAD_HANDLE;
792       }
793 
794       if (!map_secure_buffer) {
795         return GRALLOC1_ERROR_BAD_VALUE;
796       }
797 
798       if (getMetaData(hnd, GET_MAP_SECURE_BUFFER, map_secure_buffer) != 0) {
799         *map_secure_buffer = 0;
800       }
801     } break;
802 
803     case GRALLOC_MODULE_PERFORM_GET_UBWC_FLAG: {
804       private_handle_t *hnd = va_arg(args, private_handle_t *);
805       int *flag = va_arg(args, int *);
806 
807       if (private_handle_t::validate(hnd) != 0) {
808         return GRALLOC1_ERROR_BAD_HANDLE;
809       }
810 
811       if (!flag) {
812         return GRALLOC1_ERROR_BAD_VALUE;
813       }
814 
815       *flag = hnd->flags & private_handle_t::PRIV_FLAGS_UBWC_ALIGNED;
816       int linear_format = 0;
817       if (getMetaData(hnd, GET_LINEAR_FORMAT, &linear_format) == 0) {
818         if (linear_format) {
819           *flag = 0;
820         }
821       }
822     } break;
823 
824     case GRALLOC_MODULE_PERFORM_GET_RGB_DATA_ADDRESS: {
825       private_handle_t *hnd = va_arg(args, private_handle_t *);
826       void **rgb_data = va_arg(args, void **);
827 
828       if (private_handle_t::validate(hnd) != 0) {
829         return GRALLOC1_ERROR_BAD_HANDLE;
830       }
831 
832       if (!rgb_data) {
833         return GRALLOC1_ERROR_BAD_VALUE;
834       }
835 
836       if (GetRgbDataAddress(hnd, rgb_data)) {
837         return GRALLOC1_ERROR_UNDEFINED;
838       }
839     } break;
840 
841     case GRALLOC1_MODULE_PERFORM_GET_INTERLACE_FLAG: {
842       private_handle_t *hnd = va_arg(args, private_handle_t *);
843       int *flag = va_arg(args, int *);
844 
845       if (private_handle_t::validate(hnd) != 0) {
846         return GRALLOC1_ERROR_BAD_HANDLE;
847       }
848 
849       if (!flag) {
850         return GRALLOC1_ERROR_BAD_VALUE;
851       }
852 
853       if (getMetaData(hnd, GET_PP_PARAM_INTERLACED, flag) != 0) {
854         *flag = 0;
855       }
856     } break;
857 
858     case GRALLOC_MODULE_PERFORM_SET_SINGLE_BUFFER_MODE: {
859       private_handle_t *hnd = va_arg(args, private_handle_t *);
860       uint32_t *enable = va_arg(args, uint32_t *);
861       if (private_handle_t::validate(hnd) != 0) {
862         return GRALLOC1_ERROR_BAD_HANDLE;
863       }
864       if (setMetaData(hnd, SET_SINGLE_BUFFER_MODE, enable) != 0) {
865         return GRALLOC1_ERROR_UNSUPPORTED;
866       }
867     } break;
868 
869     case GRALLOC_MODULE_PERFORM_GET_GRAPHICS_METADATA: {
870       private_handle_t* hnd = va_arg(args, private_handle_t *);
871 
872       if (private_handle_t::validate(hnd) != 0) {
873         return GRALLOC1_ERROR_BAD_HANDLE;
874       }
875 
876       void* graphic_metadata = va_arg(args, void*);
877 
878       if (getMetaData(hnd, GET_GRAPHICS_METADATA, graphic_metadata) != 0) {
879         graphic_metadata = NULL;
880         return GRALLOC1_ERROR_UNSUPPORTED;
881       }
882     } break;
883 
884     default:
885       break;
886   }
887   return GRALLOC1_ERROR_NONE;
888 }
889 
Gralloc1Perform(gralloc1_device_t * device,int operation,...)890 gralloc1_error_t GrallocImpl::Gralloc1Perform(gralloc1_device_t *device, int operation, ...) {
891   if (!device) {
892     return GRALLOC1_ERROR_BAD_VALUE;
893   }
894 
895   va_list args;
896   va_start(args, operation);
897   gralloc1_error_t err = Perform(operation, args);
898   va_end(args);
899 
900   return err;
901 }
902 
903 }  // namespace gralloc
904