1 /*
2 * Copyright (c) 2011-2018, 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 #include <log/log.h>
31 #include <algorithm>
32 #include <vector>
33
34 #include "gr_allocator.h"
35 #include "gr_utils.h"
36 #include "gralloc_priv.h"
37
38 #include "qd_utils.h"
39
40 #ifndef ION_FLAG_CP_PIXEL
41 #define ION_FLAG_CP_PIXEL 0
42 #endif
43
44 #ifndef ION_FLAG_ALLOW_NON_CONTIG
45 #define ION_FLAG_ALLOW_NON_CONTIG 0
46 #endif
47
48 #ifndef ION_FLAG_CP_CAMERA_PREVIEW
49 #define ION_FLAG_CP_CAMERA_PREVIEW 0
50 #endif
51
52 #ifdef MASTER_SIDE_CP
53 #define CP_HEAP_ID ION_SECURE_HEAP_ID
54 #define SD_HEAP_ID ION_SECURE_DISPLAY_HEAP_ID
55 #define ION_CP_FLAGS (ION_SECURE | ION_FLAG_CP_PIXEL)
56 #define ION_SD_FLAGS (ION_SECURE | ION_FLAG_CP_SEC_DISPLAY)
57 #define ION_SC_FLAGS (ION_SECURE | ION_FLAG_CP_CAMERA)
58 #define ION_SC_PREVIEW_FLAGS (ION_SECURE | ION_FLAG_CP_CAMERA_PREVIEW)
59 #else // SLAVE_SIDE_CP
60 #define CP_HEAP_ID ION_CP_MM_HEAP_ID
61 #define SD_HEAP_ID CP_HEAP_ID
62 #define ION_CP_FLAGS (ION_SECURE | ION_FLAG_ALLOW_NON_CONTIG)
63 #define ION_SD_FLAGS ION_SECURE
64 #define ION_SC_FLAGS ION_SECURE
65 #define ION_SC_PREVIEW_FLAGS ION_SECURE
66 #endif
67
68 using std::shared_ptr;
69 using std::vector;
70
71 namespace gralloc {
72
GetBufferInfo(const BufferDescriptor & descriptor)73 static BufferInfo GetBufferInfo(const BufferDescriptor &descriptor) {
74 return BufferInfo(descriptor.GetWidth(), descriptor.GetHeight(), descriptor.GetFormat(),
75 descriptor.GetUsage());
76 }
77
Allocator()78 Allocator::Allocator() : ion_allocator_(nullptr) {}
79
Init()80 bool Allocator::Init() {
81 ion_allocator_ = new IonAlloc();
82 if (!ion_allocator_->Init()) {
83 return false;
84 }
85
86 return true;
87 }
88
~Allocator()89 Allocator::~Allocator() {
90 if (ion_allocator_) {
91 delete ion_allocator_;
92 }
93 }
94
AllocateMem(AllocData * alloc_data,uint64_t usage)95 int Allocator::AllocateMem(AllocData *alloc_data, uint64_t usage) {
96 int ret;
97 alloc_data->uncached = UseUncached(usage);
98
99 // After this point we should have the right heap set, there is no fallback
100 GetIonHeapInfo(usage, &alloc_data->heap_id, &alloc_data->alloc_type, &alloc_data->flags);
101
102 ret = ion_allocator_->AllocBuffer(alloc_data);
103 if (ret >= 0) {
104 alloc_data->alloc_type |= private_handle_t::PRIV_FLAGS_USES_ION;
105 } else {
106 ALOGE("%s: Failed to allocate buffer - heap: 0x%x flags: 0x%x", __FUNCTION__,
107 alloc_data->heap_id, alloc_data->flags);
108 }
109
110 return ret;
111 }
112
MapBuffer(void ** base,unsigned int size,unsigned int offset,int fd)113 int Allocator::MapBuffer(void **base, unsigned int size, unsigned int offset, int fd) {
114 if (ion_allocator_) {
115 return ion_allocator_->MapBuffer(base, size, offset, fd);
116 }
117
118 return -EINVAL;
119 }
120
ImportBuffer(int fd)121 int Allocator::ImportBuffer(int fd) {
122 if (ion_allocator_) {
123 return ion_allocator_->ImportBuffer(fd);
124 }
125 return -EINVAL;
126 }
127
FreeBuffer(void * base,unsigned int size,unsigned int offset,int fd,int handle)128 int Allocator::FreeBuffer(void *base, unsigned int size, unsigned int offset, int fd, int handle) {
129 if (ion_allocator_) {
130 return ion_allocator_->FreeBuffer(base, size, offset, fd, handle);
131 }
132
133 return -EINVAL;
134 }
135
CleanBuffer(void * base,unsigned int size,unsigned int offset,int handle,int op)136 int Allocator::CleanBuffer(void *base, unsigned int size, unsigned int offset, int handle, int op) {
137 if (ion_allocator_) {
138 return ion_allocator_->CleanBuffer(base, size, offset, handle, op);
139 }
140
141 return -EINVAL;
142 }
143
CheckForBufferSharing(uint32_t num_descriptors,const vector<shared_ptr<BufferDescriptor>> & descriptors,ssize_t * max_index)144 bool Allocator::CheckForBufferSharing(uint32_t num_descriptors,
145 const vector<shared_ptr<BufferDescriptor>> &descriptors,
146 ssize_t *max_index) {
147 unsigned int cur_heap_id = 0, prev_heap_id = 0;
148 unsigned int cur_alloc_type = 0, prev_alloc_type = 0;
149 unsigned int cur_ion_flags = 0, prev_ion_flags = 0;
150 bool cur_uncached = false, prev_uncached = false;
151 unsigned int alignedw, alignedh;
152 unsigned int max_size = 0;
153
154 *max_index = -1;
155 for (uint32_t i = 0; i < num_descriptors; i++) {
156 // Check Cached vs non-cached and all the ION flags
157 cur_uncached = UseUncached(descriptors[i]->GetUsage());
158 GetIonHeapInfo(descriptors[i]->GetUsage(), &cur_heap_id, &cur_alloc_type, &cur_ion_flags);
159
160 if (i > 0 && (cur_heap_id != prev_heap_id || cur_alloc_type != prev_alloc_type ||
161 cur_ion_flags != prev_ion_flags)) {
162 return false;
163 }
164
165 // For same format type, find the descriptor with bigger size
166 GetAlignedWidthAndHeight(GetBufferInfo(*descriptors[i]), &alignedw, &alignedh);
167 unsigned int size = GetSize(GetBufferInfo(*descriptors[i]), alignedw, alignedh);
168 if (max_size < size) {
169 *max_index = INT(i);
170 max_size = size;
171 }
172
173 prev_heap_id = cur_heap_id;
174 prev_uncached = cur_uncached;
175 prev_ion_flags = cur_ion_flags;
176 prev_alloc_type = cur_alloc_type;
177 }
178
179 return true;
180 }
181
GetImplDefinedFormat(uint64_t usage,int format)182 int Allocator::GetImplDefinedFormat(uint64_t usage, int format) {
183 int gr_format = format;
184
185 // If input format is HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED then based on
186 // the usage bits, gralloc assigns a format.
187 if (format == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED ||
188 format == HAL_PIXEL_FORMAT_YCbCr_420_888) {
189 if (usage & GRALLOC_USAGE_PRIVATE_ALLOC_UBWC) {
190 // Use of 10BIT_TP and 10BIT bits is supposed to be mutually exclusive.
191 // Each bit maps to only one format. Here we will check one of the bits
192 // and ignore the other.
193 if (usage & GRALLOC_USAGE_PRIVATE_10BIT_TP) {
194 gr_format = HAL_PIXEL_FORMAT_YCbCr_420_TP10_UBWC;
195 } else if (usage & GRALLOC_USAGE_PRIVATE_10BIT) {
196 gr_format = HAL_PIXEL_FORMAT_YCbCr_420_P010_UBWC;
197 } else {
198 gr_format = HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS_UBWC;
199 }
200 } else if (usage & GRALLOC_USAGE_PRIVATE_10BIT) {
201 gr_format = HAL_PIXEL_FORMAT_YCbCr_420_P010_VENUS;
202 } else if (usage & BufferUsage::VIDEO_ENCODER) {
203 gr_format = HAL_PIXEL_FORMAT_NV12_ENCODEABLE; // NV12
204 } else if (usage & BufferUsage::CAMERA_INPUT) {
205 if (usage & BufferUsage::CAMERA_OUTPUT) {
206 // Assumed ZSL if both producer and consumer camera flags set
207 gr_format = HAL_PIXEL_FORMAT_NV21_ZSL; // NV21
208 } else {
209 gr_format = HAL_PIXEL_FORMAT_YCrCb_420_SP; // NV21
210 }
211 } else if (usage & BufferUsage::CAMERA_OUTPUT) {
212 if (format == HAL_PIXEL_FORMAT_YCbCr_420_888) {
213 gr_format = HAL_PIXEL_FORMAT_NV21_ZSL; // NV21
214 } else {
215 #ifdef USE_NV21_CAMERA_PREVIEW
216 gr_format = HAL_PIXEL_FORMAT_YCrCb_420_SP_VENUS; // NV21 preview
217 #else
218 gr_format = HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS; // NV12 preview
219 #endif
220 }
221 } else if (usage & BufferUsage::COMPOSER_OVERLAY) {
222 // XXX: If we still haven't set a format, default to RGBA8888
223 gr_format = HAL_PIXEL_FORMAT_RGBA_8888;
224 } else if (format == HAL_PIXEL_FORMAT_YCbCr_420_888) {
225 // If no other usage flags are detected, default the
226 // flexible YUV format to NV21_ZSL
227 gr_format = HAL_PIXEL_FORMAT_NV21_ZSL;
228 }
229 }
230
231 return gr_format;
232 }
233
234 /* The default policy is to return cached buffers unless the client explicity
235 * sets the PRIVATE_UNCACHED flag or indicates that the buffer will be rarely
236 * read or written in software. */
UseUncached(uint64_t usage)237 bool Allocator::UseUncached(uint64_t usage) {
238 if ((usage & GRALLOC_USAGE_PRIVATE_UNCACHED) || (usage & BufferUsage::PROTECTED)) {
239 return true;
240 }
241
242 // CPU read rarely
243 if ((usage & BufferUsage::CPU_READ_MASK) == static_cast<uint64_t>(BufferUsage::CPU_READ_RARELY)) {
244 return true;
245 }
246
247 // CPU write rarely
248 if ((usage & BufferUsage::CPU_WRITE_MASK) ==
249 static_cast<uint64_t>(BufferUsage::CPU_WRITE_RARELY)) {
250 return true;
251 }
252
253 if ((usage & BufferUsage::SENSOR_DIRECT_DATA) || (usage & BufferUsage::GPU_DATA_BUFFER)) {
254 return true;
255 }
256
257 return false;
258 }
259
GetIonHeapInfo(uint64_t usage,unsigned int * ion_heap_id,unsigned int * alloc_type,unsigned int * ion_flags)260 void Allocator::GetIonHeapInfo(uint64_t usage, unsigned int *ion_heap_id, unsigned int *alloc_type,
261 unsigned int *ion_flags) {
262 unsigned int heap_id = 0;
263 unsigned int type = 0;
264 uint32_t flags = 0;
265 if (usage & GRALLOC_USAGE_PROTECTED) {
266 if (usage & GRALLOC_USAGE_PRIVATE_SECURE_DISPLAY) {
267 heap_id = ION_HEAP(SD_HEAP_ID);
268 /*
269 * There is currently no flag in ION for Secure Display
270 * VM. Please add it to the define once available.
271 */
272 flags |= UINT(ION_SD_FLAGS);
273 } else if (usage & BufferUsage::CAMERA_OUTPUT) {
274 heap_id = ION_HEAP(SD_HEAP_ID);
275 if (usage & BufferUsage::COMPOSER_OVERLAY) {
276 flags |= UINT(ION_SC_PREVIEW_FLAGS);
277 } else {
278 flags |= UINT(ION_SC_FLAGS);
279 }
280 } else {
281 heap_id = ION_HEAP(CP_HEAP_ID);
282 flags |= UINT(ION_CP_FLAGS);
283 }
284 }
285
286 if (usage & BufferUsage::SENSOR_DIRECT_DATA) {
287 heap_id |= ION_HEAP(ION_ADSP_HEAP_ID);
288 }
289
290 if (flags & UINT(ION_SECURE)) {
291 type |= private_handle_t::PRIV_FLAGS_SECURE_BUFFER;
292 }
293
294 // if no ion heap flags are set, default to system heap
295 if (!heap_id) {
296 heap_id = ION_HEAP(ION_SYSTEM_HEAP_ID);
297 }
298
299 *alloc_type = type;
300 *ion_flags = flags;
301 *ion_heap_id = heap_id;
302
303 return;
304 }
305 } // namespace gralloc
306