1 /*
2 * Copyright (C) 2010 The Android Open Source Project
3 * Copyright (c) 2011-2013 The Linux Foundation. All rights reserved.
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 #include <limits.h>
19 #include <unistd.h>
20 #include <fcntl.h>
21 #include <cutils/properties.h>
22 #include <sys/mman.h>
23
24 #include "gr.h"
25 #include "gpu.h"
26 #include "memalloc.h"
27 #include "alloc_controller.h"
28 #include <qdMetaData.h>
29 #include "mdp_version.h"
30
31 using namespace gralloc;
32
33 #define SZ_1M 0x100000
34
gpu_context_t(const private_module_t * module,IAllocController * alloc_ctrl)35 gpu_context_t::gpu_context_t(const private_module_t* module,
36 IAllocController* alloc_ctrl ) :
37 mAllocCtrl(alloc_ctrl)
38 {
39 // Zero out the alloc_device_t
40 memset(static_cast<alloc_device_t*>(this), 0, sizeof(alloc_device_t));
41
42 // Initialize the procs
43 common.tag = HARDWARE_DEVICE_TAG;
44 common.version = 0;
45 common.module = const_cast<hw_module_t*>(&module->base.common);
46 common.close = gralloc_close;
47 alloc = gralloc_alloc;
48 #ifdef QCOM_BSP
49 allocSize = gralloc_alloc_size;
50 #endif
51 free = gralloc_free;
52
53 }
54
gralloc_alloc_buffer(size_t size,int usage,buffer_handle_t * pHandle,int bufferType,int format,int width,int height)55 int gpu_context_t::gralloc_alloc_buffer(size_t size, int usage,
56 buffer_handle_t* pHandle, int bufferType,
57 int format, int width, int height)
58 {
59 int err = 0;
60 int flags = 0;
61 size = roundUpToPageSize(size);
62 alloc_data data;
63 data.offset = 0;
64 data.fd = -1;
65 data.base = 0;
66 if(format == HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED)
67 data.align = 8192;
68 else
69 data.align = getpagesize();
70
71 /* force 1MB alignment selectively for secure buffers, MDP5 onwards */
72 if ((qdutils::MDPVersion::getInstance().getMDPVersion() >= \
73 qdutils::MDSS_V5) && (usage & GRALLOC_USAGE_PROTECTED)) {
74 data.align = ALIGN(data.align, SZ_1M);
75 size = ALIGN(size, data.align);
76 }
77 data.size = size;
78 data.pHandle = (unsigned int) pHandle;
79 err = mAllocCtrl->allocate(data, usage);
80
81 if (!err) {
82 /* allocate memory for enhancement data */
83 alloc_data eData;
84 eData.fd = -1;
85 eData.base = 0;
86 eData.offset = 0;
87 eData.size = ROUND_UP_PAGESIZE(sizeof(MetaData_t));
88 eData.pHandle = data.pHandle;
89 eData.align = getpagesize();
90 int eDataUsage = GRALLOC_USAGE_PRIVATE_SYSTEM_HEAP;
91 int eDataErr = mAllocCtrl->allocate(eData, eDataUsage);
92 ALOGE_IF(eDataErr, "gralloc failed for eDataErr=%s",
93 strerror(-eDataErr));
94
95 if (usage & GRALLOC_USAGE_PRIVATE_EXTERNAL_ONLY) {
96 flags |= private_handle_t::PRIV_FLAGS_EXTERNAL_ONLY;
97 //The EXTERNAL_BLOCK flag is always an add-on
98 if (usage & GRALLOC_USAGE_PRIVATE_EXTERNAL_BLOCK) {
99 flags |= private_handle_t::PRIV_FLAGS_EXTERNAL_BLOCK;
100 }
101 if (usage & GRALLOC_USAGE_PRIVATE_EXTERNAL_CC) {
102 flags |= private_handle_t::PRIV_FLAGS_EXTERNAL_CC;
103 }
104 }
105
106 if (bufferType == BUFFER_TYPE_VIDEO) {
107 if (usage & GRALLOC_USAGE_HW_CAMERA_WRITE) {
108 if ((qdutils::MDPVersion::getInstance().getMDPVersion() <
109 qdutils::MDSS_V5)) { //A-Family
110 flags |= private_handle_t::PRIV_FLAGS_ITU_R_601_FR;
111 } else {
112 if (usage & (GRALLOC_USAGE_HW_TEXTURE |
113 GRALLOC_USAGE_HW_VIDEO_ENCODER))
114 flags |= private_handle_t::PRIV_FLAGS_ITU_R_709;
115 else if (usage & GRALLOC_USAGE_HW_CAMERA_ZSL)
116 flags |= private_handle_t::PRIV_FLAGS_ITU_R_601_FR;
117 }
118 } else {
119 flags |= private_handle_t::PRIV_FLAGS_ITU_R_601;
120 }
121 }
122
123 if (usage & GRALLOC_USAGE_HW_VIDEO_ENCODER ) {
124 flags |= private_handle_t::PRIV_FLAGS_VIDEO_ENCODER;
125 }
126
127 if (usage & GRALLOC_USAGE_HW_CAMERA_WRITE) {
128 flags |= private_handle_t::PRIV_FLAGS_CAMERA_WRITE;
129 }
130
131 if (usage & GRALLOC_USAGE_HW_CAMERA_READ) {
132 flags |= private_handle_t::PRIV_FLAGS_CAMERA_READ;
133 }
134
135 if (usage & GRALLOC_USAGE_HW_COMPOSER) {
136 flags |= private_handle_t::PRIV_FLAGS_HW_COMPOSER;
137 }
138
139 if (usage & GRALLOC_USAGE_HW_TEXTURE) {
140 flags |= private_handle_t::PRIV_FLAGS_HW_TEXTURE;
141 }
142
143 flags |= data.allocType;
144 int eBaseAddr = int(eData.base) + eData.offset;
145 private_handle_t *hnd = new private_handle_t(data.fd, size, flags,
146 bufferType, format, width, height, eData.fd, eData.offset,
147 eBaseAddr);
148
149 hnd->offset = data.offset;
150 hnd->base = int(data.base) + data.offset;
151 hnd->gpuaddr = 0;
152
153 *pHandle = hnd;
154 }
155
156 ALOGE_IF(err, "gralloc failed err=%s", strerror(-err));
157
158 return err;
159 }
160
getGrallocInformationFromFormat(int inputFormat,int * bufferType)161 void gpu_context_t::getGrallocInformationFromFormat(int inputFormat,
162 int *bufferType)
163 {
164 *bufferType = BUFFER_TYPE_VIDEO;
165
166 if (inputFormat <= HAL_PIXEL_FORMAT_sRGB_X_8888) {
167 // RGB formats
168 *bufferType = BUFFER_TYPE_UI;
169 } else if ((inputFormat == HAL_PIXEL_FORMAT_R_8) ||
170 (inputFormat == HAL_PIXEL_FORMAT_RG_88)) {
171 *bufferType = BUFFER_TYPE_UI;
172 }
173 }
174
gralloc_alloc_framebuffer_locked(size_t size,int usage,buffer_handle_t * pHandle)175 int gpu_context_t::gralloc_alloc_framebuffer_locked(size_t size, int usage,
176 buffer_handle_t* pHandle)
177 {
178 private_module_t* m = reinterpret_cast<private_module_t*>(common.module);
179
180 // we don't support framebuffer allocations with graphics heap flags
181 if (usage & GRALLOC_HEAP_MASK) {
182 return -EINVAL;
183 }
184
185 if (m->framebuffer == NULL) {
186 ALOGE("%s: Invalid framebuffer", __FUNCTION__);
187 return -EINVAL;
188 }
189
190 const uint32_t bufferMask = m->bufferMask;
191 const uint32_t numBuffers = m->numBuffers;
192 size_t bufferSize = m->finfo.line_length * m->info.yres;
193
194 //adreno needs FB size to be page aligned
195 bufferSize = roundUpToPageSize(bufferSize);
196
197 if (numBuffers == 1) {
198 // If we have only one buffer, we never use page-flipping. Instead,
199 // we return a regular buffer which will be memcpy'ed to the main
200 // screen when post is called.
201 int newUsage = (usage & ~GRALLOC_USAGE_HW_FB) | GRALLOC_USAGE_HW_2D;
202 return gralloc_alloc_buffer(bufferSize, newUsage, pHandle, BUFFER_TYPE_UI,
203 m->fbFormat, m->info.xres, m->info.yres);
204 }
205
206 if (bufferMask >= ((1LU<<numBuffers)-1)) {
207 // We ran out of buffers.
208 return -ENOMEM;
209 }
210
211 // create a "fake" handle for it
212 intptr_t vaddr = intptr_t(m->framebuffer->base);
213 private_handle_t* hnd = new private_handle_t(
214 dup(m->framebuffer->fd), bufferSize,
215 private_handle_t::PRIV_FLAGS_USES_PMEM |
216 private_handle_t::PRIV_FLAGS_FRAMEBUFFER,
217 BUFFER_TYPE_UI, m->fbFormat, m->info.xres,
218 m->info.yres);
219
220 // find a free slot
221 for (uint32_t i=0 ; i<numBuffers ; i++) {
222 if ((bufferMask & (1LU<<i)) == 0) {
223 m->bufferMask |= (1LU<<i);
224 break;
225 }
226 vaddr += bufferSize;
227 }
228 hnd->base = vaddr;
229 hnd->offset = vaddr - intptr_t(m->framebuffer->base);
230 *pHandle = hnd;
231 return 0;
232 }
233
234
gralloc_alloc_framebuffer(size_t size,int usage,buffer_handle_t * pHandle)235 int gpu_context_t::gralloc_alloc_framebuffer(size_t size, int usage,
236 buffer_handle_t* pHandle)
237 {
238 private_module_t* m = reinterpret_cast<private_module_t*>(common.module);
239 pthread_mutex_lock(&m->lock);
240 int err = gralloc_alloc_framebuffer_locked(size, usage, pHandle);
241 pthread_mutex_unlock(&m->lock);
242 return err;
243 }
244
alloc_impl(int w,int h,int format,int usage,buffer_handle_t * pHandle,int * pStride,size_t bufferSize)245 int gpu_context_t::alloc_impl(int w, int h, int format, int usage,
246 buffer_handle_t* pHandle, int* pStride,
247 size_t bufferSize) {
248 if (!pHandle || !pStride)
249 return -EINVAL;
250
251 size_t size;
252 int alignedw, alignedh;
253 int grallocFormat = format;
254 int bufferType;
255
256 //If input format is HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED then based on
257 //the usage bits, gralloc assigns a format.
258 if(format == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED ||
259 format == HAL_PIXEL_FORMAT_YCbCr_420_888) {
260 if(usage & GRALLOC_USAGE_HW_VIDEO_ENCODER)
261 grallocFormat = HAL_PIXEL_FORMAT_NV12_ENCODEABLE; //NV12
262 else if(usage & GRALLOC_USAGE_HW_CAMERA_READ)
263 grallocFormat = HAL_PIXEL_FORMAT_YCrCb_420_SP; //NV21
264 else if(usage & GRALLOC_USAGE_HW_CAMERA_WRITE)
265 grallocFormat = HAL_PIXEL_FORMAT_YCrCb_420_SP; //NV21
266 }
267
268 getGrallocInformationFromFormat(grallocFormat, &bufferType);
269 size = getBufferSizeAndDimensions(w, h, grallocFormat, alignedw, alignedh);
270
271 if ((ssize_t)size <= 0)
272 return -EINVAL;
273 size = (bufferSize >= size)? bufferSize : size;
274
275 // All buffers marked as protected or for external
276 // display need to go to overlay
277 if ((usage & GRALLOC_USAGE_EXTERNAL_DISP) ||
278 (usage & GRALLOC_USAGE_PROTECTED)) {
279 bufferType = BUFFER_TYPE_VIDEO;
280 }
281
282 bool useFbMem = false;
283 char property[PROPERTY_VALUE_MAX];
284 if((usage & GRALLOC_USAGE_HW_FB) &&
285 (property_get("debug.gralloc.map_fb_memory", property, NULL) > 0) &&
286 (!strncmp(property, "1", PROPERTY_VALUE_MAX ) ||
287 (!strncasecmp(property,"true", PROPERTY_VALUE_MAX )))) {
288 useFbMem = true;
289 }
290
291 int err = 0;
292 if(useFbMem) {
293 err = gralloc_alloc_framebuffer(size, usage, pHandle);
294 } else {
295 err = gralloc_alloc_buffer(size, usage, pHandle, bufferType,
296 grallocFormat, alignedw, alignedh);
297 }
298
299 if (err < 0) {
300 return err;
301 }
302
303 *pStride = alignedw;
304 return 0;
305 }
306
free_impl(private_handle_t const * hnd)307 int gpu_context_t::free_impl(private_handle_t const* hnd) {
308 private_module_t* m = reinterpret_cast<private_module_t*>(common.module);
309 if (hnd->flags & private_handle_t::PRIV_FLAGS_FRAMEBUFFER) {
310 const size_t bufferSize = m->finfo.line_length * m->info.yres;
311 int index = (hnd->base - m->framebuffer->base) / bufferSize;
312 m->bufferMask &= ~(1<<index);
313 } else {
314
315 terminateBuffer(&m->base, const_cast<private_handle_t*>(hnd));
316 IMemAlloc* memalloc = mAllocCtrl->getAllocator(hnd->flags);
317 int err = memalloc->free_buffer((void*)hnd->base, (size_t) hnd->size,
318 hnd->offset, hnd->fd);
319 if(err)
320 return err;
321 // free the metadata space
322 unsigned long size = ROUND_UP_PAGESIZE(sizeof(MetaData_t));
323 err = memalloc->free_buffer((void*)hnd->base_metadata,
324 (size_t) size, hnd->offset_metadata,
325 hnd->fd_metadata);
326 if (err)
327 return err;
328 }
329 delete hnd;
330 return 0;
331 }
332
gralloc_alloc(alloc_device_t * dev,int w,int h,int format,int usage,buffer_handle_t * pHandle,int * pStride)333 int gpu_context_t::gralloc_alloc(alloc_device_t* dev, int w, int h, int format,
334 int usage, buffer_handle_t* pHandle,
335 int* pStride)
336 {
337 if (!dev) {
338 return -EINVAL;
339 }
340 gpu_context_t* gpu = reinterpret_cast<gpu_context_t*>(dev);
341 return gpu->alloc_impl(w, h, format, usage, pHandle, pStride, 0);
342 }
gralloc_alloc_size(alloc_device_t * dev,int w,int h,int format,int usage,buffer_handle_t * pHandle,int * pStride,int bufferSize)343 int gpu_context_t::gralloc_alloc_size(alloc_device_t* dev, int w, int h,
344 int format, int usage,
345 buffer_handle_t* pHandle, int* pStride,
346 int bufferSize)
347 {
348 if (!dev) {
349 return -EINVAL;
350 }
351 gpu_context_t* gpu = reinterpret_cast<gpu_context_t*>(dev);
352 return gpu->alloc_impl(w, h, format, usage, pHandle, pStride, bufferSize);
353 }
354
355
gralloc_free(alloc_device_t * dev,buffer_handle_t handle)356 int gpu_context_t::gralloc_free(alloc_device_t* dev,
357 buffer_handle_t handle)
358 {
359 if (private_handle_t::validate(handle) < 0)
360 return -EINVAL;
361
362 private_handle_t const* hnd = reinterpret_cast<private_handle_t const*>(handle);
363 gpu_context_t* gpu = reinterpret_cast<gpu_context_t*>(dev);
364 return gpu->free_impl(hnd);
365 }
366
367 /*****************************************************************************/
368
gralloc_close(struct hw_device_t * dev)369 int gpu_context_t::gralloc_close(struct hw_device_t *dev)
370 {
371 gpu_context_t* ctx = reinterpret_cast<gpu_context_t*>(dev);
372 if (ctx) {
373 /* TODO: keep a list of all buffer_handle_t created, and free them
374 * all here.
375 */
376 delete ctx;
377 }
378 return 0;
379 }
380
381