1 /*
2 * Copyright (C) 2010 The Android Open Source Project
3 * Copyright (c) 2011-2014 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
30 using namespace gralloc;
31
32 #define SZ_1M 0x100000
33
gpu_context_t(const private_module_t * module,IAllocController * alloc_ctrl)34 gpu_context_t::gpu_context_t(const private_module_t* module,
35 IAllocController* alloc_ctrl ) :
36 mAllocCtrl(alloc_ctrl)
37 {
38 // Zero out the alloc_device_t
39 memset(static_cast<alloc_device_t*>(this), 0, sizeof(alloc_device_t));
40
41 // Initialize the procs
42 common.tag = HARDWARE_DEVICE_TAG;
43 common.version = 0;
44 common.module = const_cast<hw_module_t*>(&module->base.common);
45 common.close = gralloc_close;
46 alloc = gralloc_alloc;
47 free = gralloc_free;
48
49 }
50
gralloc_alloc_buffer(unsigned int size,int usage,buffer_handle_t * pHandle,int bufferType,int format,int width,int height)51 int gpu_context_t::gralloc_alloc_buffer(unsigned int size, int usage,
52 buffer_handle_t* pHandle, int bufferType,
53 int format, int width, int height)
54 {
55 int err = 0;
56 int flags = 0;
57 size = roundUpToPageSize(size);
58 alloc_data data;
59 data.offset = 0;
60 data.fd = -1;
61 data.base = 0;
62 if(format == HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED)
63 data.align = 8192;
64 else
65 data.align = getpagesize();
66
67 /* force 1MB alignment selectively for secure buffers, MDP5 onwards */
68 #ifdef MDSS_TARGET
69 if ((usage & GRALLOC_USAGE_PROTECTED) &&
70 (usage & GRALLOC_USAGE_PRIVATE_MM_HEAP)) {
71 data.align = ALIGN((int) data.align, SZ_1M);
72 size = ALIGN(size, data.align);
73 }
74 #endif
75
76 data.size = size;
77 data.pHandle = (uintptr_t) pHandle;
78 err = mAllocCtrl->allocate(data, usage);
79
80 if (!err) {
81 /* allocate memory for enhancement data */
82 alloc_data eData;
83 eData.fd = -1;
84 eData.base = 0;
85 eData.offset = 0;
86 eData.size = ROUND_UP_PAGESIZE(sizeof(MetaData_t));
87 eData.pHandle = data.pHandle;
88 eData.align = getpagesize();
89 int eDataUsage = GRALLOC_USAGE_PRIVATE_SYSTEM_HEAP;
90 int eDataErr = mAllocCtrl->allocate(eData, eDataUsage);
91 ALOGE_IF(eDataErr, "gralloc failed for eDataErr=%s",
92 strerror(-eDataErr));
93
94 if (usage & GRALLOC_USAGE_PRIVATE_EXTERNAL_ONLY) {
95 flags |= private_handle_t::PRIV_FLAGS_EXTERNAL_ONLY;
96 }
97 if (usage & GRALLOC_USAGE_PRIVATE_INTERNAL_ONLY) {
98 flags |= private_handle_t::PRIV_FLAGS_INTERNAL_ONLY;
99 }
100
101 ColorSpace_t colorSpace = ITU_R_601;
102 flags |= private_handle_t::PRIV_FLAGS_ITU_R_601;
103 if (bufferType == BUFFER_TYPE_VIDEO) {
104 if (usage & GRALLOC_USAGE_HW_CAMERA_WRITE) {
105 #ifndef MDSS_TARGET
106 colorSpace = ITU_R_601_FR;
107 flags |= private_handle_t::PRIV_FLAGS_ITU_R_601_FR;
108 #else
109 // Per the camera spec ITU 709 format should be set only for
110 // video encoding.
111 // It should be set to ITU 601 full range format for any other
112 // camera buffer
113 //
114 if (usage & GRALLOC_USAGE_HW_CAMERA_MASK) {
115 if (usage & GRALLOC_USAGE_HW_VIDEO_ENCODER) {
116 flags |= private_handle_t::PRIV_FLAGS_ITU_R_709;
117 colorSpace = ITU_R_709;
118 } else {
119 flags |= private_handle_t::PRIV_FLAGS_ITU_R_601_FR;
120 colorSpace = ITU_R_601_FR;
121 }
122 }
123 #endif
124 }
125 }
126
127 if (usage & GRALLOC_USAGE_HW_VIDEO_ENCODER ) {
128 flags |= private_handle_t::PRIV_FLAGS_VIDEO_ENCODER;
129 }
130
131 if (usage & GRALLOC_USAGE_HW_CAMERA_WRITE) {
132 flags |= private_handle_t::PRIV_FLAGS_CAMERA_WRITE;
133 }
134
135 if (usage & GRALLOC_USAGE_HW_CAMERA_READ) {
136 flags |= private_handle_t::PRIV_FLAGS_CAMERA_READ;
137 }
138
139 if (usage & GRALLOC_USAGE_HW_COMPOSER) {
140 flags |= private_handle_t::PRIV_FLAGS_HW_COMPOSER;
141 }
142
143 if (usage & GRALLOC_USAGE_HW_TEXTURE) {
144 flags |= private_handle_t::PRIV_FLAGS_HW_TEXTURE;
145 }
146
147 if(usage & GRALLOC_USAGE_PRIVATE_SECURE_DISPLAY) {
148 flags |= private_handle_t::PRIV_FLAGS_SECURE_DISPLAY;
149 }
150
151 if(isMacroTileEnabled(format, usage)) {
152 flags |= private_handle_t::PRIV_FLAGS_TILE_RENDERED;
153 }
154
155 if(usage & (GRALLOC_USAGE_SW_READ_MASK | GRALLOC_USAGE_SW_WRITE_MASK)) {
156 flags |= private_handle_t::PRIV_FLAGS_CPU_RENDERED;
157 }
158
159 if (usage & (GRALLOC_USAGE_HW_VIDEO_ENCODER |
160 GRALLOC_USAGE_HW_CAMERA_WRITE |
161 GRALLOC_USAGE_HW_RENDER |
162 GRALLOC_USAGE_HW_FB)) {
163 flags |= private_handle_t::PRIV_FLAGS_NON_CPU_WRITER;
164 }
165
166 if(false == data.uncached) {
167 flags |= private_handle_t::PRIV_FLAGS_CACHED;
168 }
169
170 flags |= data.allocType;
171 uint64_t eBaseAddr = (uint64_t)(eData.base) + eData.offset;
172 private_handle_t *hnd = new private_handle_t(data.fd, size, flags,
173 bufferType, format, width, height, eData.fd, eData.offset,
174 eBaseAddr);
175
176 hnd->offset = data.offset;
177 hnd->base = (uint64_t)(data.base) + data.offset;
178 hnd->gpuaddr = 0;
179 setMetaData(hnd, UPDATE_COLOR_SPACE, (void*) &colorSpace);
180
181 *pHandle = hnd;
182 }
183
184 ALOGE_IF(err, "gralloc failed err=%s", strerror(-err));
185
186 return err;
187 }
188
getGrallocInformationFromFormat(int inputFormat,int * bufferType)189 void gpu_context_t::getGrallocInformationFromFormat(int inputFormat,
190 int *bufferType)
191 {
192 *bufferType = BUFFER_TYPE_VIDEO;
193
194 if (inputFormat <= HAL_PIXEL_FORMAT_BGRA_8888) {
195 // RGB formats
196 *bufferType = BUFFER_TYPE_UI;
197 } else if ((inputFormat == HAL_PIXEL_FORMAT_R_8) ||
198 (inputFormat == HAL_PIXEL_FORMAT_RG_88)) {
199 *bufferType = BUFFER_TYPE_UI;
200 }
201 }
202
gralloc_alloc_framebuffer_locked(int usage,buffer_handle_t * pHandle)203 int gpu_context_t::gralloc_alloc_framebuffer_locked(int usage,
204 buffer_handle_t* pHandle)
205 {
206 private_module_t* m = reinterpret_cast<private_module_t*>(common.module);
207
208 // we don't support framebuffer allocations with graphics heap flags
209 if (usage & GRALLOC_HEAP_MASK) {
210 return -EINVAL;
211 }
212
213 if (m->framebuffer == NULL) {
214 ALOGE("%s: Invalid framebuffer", __FUNCTION__);
215 return -EINVAL;
216 }
217
218 const unsigned int bufferMask = m->bufferMask;
219 const uint32_t numBuffers = m->numBuffers;
220 unsigned int bufferSize = m->finfo.line_length * m->info.yres;
221
222 //adreno needs FB size to be page aligned
223 bufferSize = roundUpToPageSize(bufferSize);
224
225 if (numBuffers == 1) {
226 // If we have only one buffer, we never use page-flipping. Instead,
227 // we return a regular buffer which will be memcpy'ed to the main
228 // screen when post is called.
229 int newUsage = (usage & ~GRALLOC_USAGE_HW_FB) | GRALLOC_USAGE_HW_2D;
230 return gralloc_alloc_buffer(bufferSize, newUsage, pHandle, BUFFER_TYPE_UI,
231 m->fbFormat, m->info.xres, m->info.yres);
232 }
233
234 if (bufferMask >= ((1LU<<numBuffers)-1)) {
235 // We ran out of buffers.
236 return -ENOMEM;
237 }
238
239 // create a "fake" handle for it
240 uint64_t vaddr = uint64_t(m->framebuffer->base);
241 // As GPU needs ION FD, the private handle is created
242 // using ION fd and ION flags are set
243 private_handle_t* hnd = new private_handle_t(
244 dup(m->framebuffer->fd), bufferSize,
245 private_handle_t::PRIV_FLAGS_USES_ION |
246 private_handle_t::PRIV_FLAGS_FRAMEBUFFER,
247 BUFFER_TYPE_UI, m->fbFormat, m->info.xres,
248 m->info.yres);
249
250 // find a free slot
251 for (uint32_t i=0 ; i<numBuffers ; i++) {
252 if ((bufferMask & (1LU<<i)) == 0) {
253 m->bufferMask |= (uint32_t)(1LU<<i);
254 break;
255 }
256 vaddr += bufferSize;
257 }
258 hnd->base = vaddr;
259 hnd->offset = (unsigned int)(vaddr - m->framebuffer->base);
260 *pHandle = hnd;
261 return 0;
262 }
263
264
gralloc_alloc_framebuffer(int usage,buffer_handle_t * pHandle)265 int gpu_context_t::gralloc_alloc_framebuffer(int usage,
266 buffer_handle_t* pHandle)
267 {
268 private_module_t* m = reinterpret_cast<private_module_t*>(common.module);
269 pthread_mutex_lock(&m->lock);
270 int err = gralloc_alloc_framebuffer_locked(usage, pHandle);
271 pthread_mutex_unlock(&m->lock);
272 return err;
273 }
274
alloc_impl(int w,int h,int format,int usage,buffer_handle_t * pHandle,int * pStride,unsigned int bufferSize)275 int gpu_context_t::alloc_impl(int w, int h, int format, int usage,
276 buffer_handle_t* pHandle, int* pStride,
277 unsigned int bufferSize) {
278 if (!pHandle || !pStride)
279 return -EINVAL;
280
281 unsigned int size;
282 int alignedw, alignedh;
283 int grallocFormat = format;
284 int bufferType;
285
286 //If input format is HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED then based on
287 //the usage bits, gralloc assigns a format.
288 if(format == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED ||
289 format == HAL_PIXEL_FORMAT_YCbCr_420_888) {
290 if(usage & GRALLOC_USAGE_HW_VIDEO_ENCODER)
291 grallocFormat = HAL_PIXEL_FORMAT_NV12_ENCODEABLE; //NV12
292 else if((usage & GRALLOC_USAGE_HW_CAMERA_MASK)
293 == GRALLOC_USAGE_HW_CAMERA_ZSL)
294 grallocFormat = HAL_PIXEL_FORMAT_NV21_ZSL; //NV21 ZSL
295 else if(usage & GRALLOC_USAGE_HW_CAMERA_READ)
296 grallocFormat = HAL_PIXEL_FORMAT_YCrCb_420_SP; //NV21
297 else if(usage & GRALLOC_USAGE_HW_CAMERA_WRITE)
298 grallocFormat = HAL_PIXEL_FORMAT_YCrCb_420_SP; //NV21
299 else if(usage & GRALLOC_USAGE_HW_COMPOSER)
300 //XXX: If we still haven't set a format, default to RGBA8888
301 grallocFormat = HAL_PIXEL_FORMAT_RGBA_8888;
302 //If no other usage flags are detected, default the
303 //flexible YUV format to NV21.
304 else if(format == HAL_PIXEL_FORMAT_YCbCr_420_888)
305 grallocFormat = HAL_PIXEL_FORMAT_YCrCb_420_SP;
306 }
307
308 getGrallocInformationFromFormat(grallocFormat, &bufferType);
309 size = getBufferSizeAndDimensions(w, h, grallocFormat, usage, alignedw,
310 alignedh);
311
312 if ((unsigned int)size <= 0)
313 return -EINVAL;
314 size = (bufferSize >= size)? bufferSize : size;
315
316 bool useFbMem = false;
317 char property[PROPERTY_VALUE_MAX];
318 if((usage & GRALLOC_USAGE_HW_FB) &&
319 (property_get("debug.gralloc.map_fb_memory", property, NULL) > 0) &&
320 (!strncmp(property, "1", PROPERTY_VALUE_MAX ) ||
321 (!strncasecmp(property,"true", PROPERTY_VALUE_MAX )))) {
322 useFbMem = true;
323 }
324
325 int err = 0;
326 if(useFbMem) {
327 err = gralloc_alloc_framebuffer(usage, pHandle);
328 } else {
329 err = gralloc_alloc_buffer(size, usage, pHandle, bufferType,
330 grallocFormat, alignedw, alignedh);
331 }
332
333 if (err < 0) {
334 return err;
335 }
336
337 *pStride = alignedw;
338 return 0;
339 }
340
free_impl(private_handle_t const * hnd)341 int gpu_context_t::free_impl(private_handle_t const* hnd) {
342 private_module_t* m = reinterpret_cast<private_module_t*>(common.module);
343 if (hnd->flags & private_handle_t::PRIV_FLAGS_FRAMEBUFFER) {
344 const unsigned int bufferSize = m->finfo.line_length * m->info.yres;
345 unsigned int index = (unsigned int) ((hnd->base - m->framebuffer->base)
346 / bufferSize);
347 m->bufferMask &= (uint32_t)~(1LU<<index);
348 } else {
349
350 terminateBuffer(&m->base, const_cast<private_handle_t*>(hnd));
351 IMemAlloc* memalloc = mAllocCtrl->getAllocator(hnd->flags);
352 int err = memalloc->free_buffer((void*)hnd->base, hnd->size,
353 hnd->offset, hnd->fd);
354 if(err)
355 return err;
356 // free the metadata space
357 unsigned int size = ROUND_UP_PAGESIZE(sizeof(MetaData_t));
358 err = memalloc->free_buffer((void*)hnd->base_metadata,
359 size, hnd->offset_metadata,
360 hnd->fd_metadata);
361 if (err)
362 return err;
363 }
364 delete hnd;
365 return 0;
366 }
367
gralloc_alloc(alloc_device_t * dev,int w,int h,int format,int usage,buffer_handle_t * pHandle,int * pStride)368 int gpu_context_t::gralloc_alloc(alloc_device_t* dev, int w, int h, int format,
369 int usage, buffer_handle_t* pHandle,
370 int* pStride)
371 {
372 if (!dev) {
373 return -EINVAL;
374 }
375 gpu_context_t* gpu = reinterpret_cast<gpu_context_t*>(dev);
376 return gpu->alloc_impl(w, h, format, usage, pHandle, pStride, 0);
377 }
gralloc_alloc_size(alloc_device_t * dev,int w,int h,int format,int usage,buffer_handle_t * pHandle,int * pStride,int bufferSize)378 int gpu_context_t::gralloc_alloc_size(alloc_device_t* dev, int w, int h,
379 int format, int usage,
380 buffer_handle_t* pHandle, int* pStride,
381 int bufferSize)
382 {
383 if (!dev) {
384 return -EINVAL;
385 }
386 gpu_context_t* gpu = reinterpret_cast<gpu_context_t*>(dev);
387 return gpu->alloc_impl(w, h, format, usage, pHandle, pStride, bufferSize);
388 }
389
390
gralloc_free(alloc_device_t * dev,buffer_handle_t handle)391 int gpu_context_t::gralloc_free(alloc_device_t* dev,
392 buffer_handle_t handle)
393 {
394 if (private_handle_t::validate(handle) < 0)
395 return -EINVAL;
396
397 private_handle_t const* hnd = reinterpret_cast<private_handle_t const*>(handle);
398 gpu_context_t* gpu = reinterpret_cast<gpu_context_t*>(dev);
399 return gpu->free_impl(hnd);
400 }
401
402 /*****************************************************************************/
403
gralloc_close(struct hw_device_t * dev)404 int gpu_context_t::gralloc_close(struct hw_device_t *dev)
405 {
406 gpu_context_t* ctx = reinterpret_cast<gpu_context_t*>(dev);
407 if (ctx) {
408 /* TODO: keep a list of all buffer_handle_t created, and free them
409 * all here.
410 */
411 delete ctx;
412 }
413 return 0;
414 }
415
416