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 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 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 } 160 161 void gpu_context_t::getGrallocInformationFromFormat(int inputFormat, 162 int *bufferType) 163 { 164 *bufferType = BUFFER_TYPE_VIDEO; 165 166 if (inputFormat < 0x7) { 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 } 174 175 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 } 233 234 235 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 } 244 245 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 } 306 307 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 } 332 333 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 } 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 } 354 355 356 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 /*****************************************************************************/ 368 369 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
