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 30using namespace gralloc; 31 32#define SZ_1M 0x100000 33 34gpu_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 51int 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 data.align = ALIGN((int) data.align, SZ_1M); 71 size = ALIGN(size, data.align); 72 } 73#endif 74 75 data.size = size; 76 data.pHandle = (uintptr_t) pHandle; 77 err = mAllocCtrl->allocate(data, usage); 78 79 if (!err) { 80 /* allocate memory for enhancement data */ 81 alloc_data eData; 82 eData.fd = -1; 83 eData.base = 0; 84 eData.offset = 0; 85 eData.size = ROUND_UP_PAGESIZE(sizeof(MetaData_t)); 86 eData.pHandle = data.pHandle; 87 eData.align = getpagesize(); 88 int eDataUsage = GRALLOC_USAGE_PRIVATE_SYSTEM_HEAP; 89 int eDataErr = mAllocCtrl->allocate(eData, eDataUsage); 90 ALOGE_IF(eDataErr, "gralloc failed for eDataErr=%s", 91 strerror(-eDataErr)); 92 93 if (usage & GRALLOC_USAGE_PRIVATE_EXTERNAL_ONLY) { 94 flags |= private_handle_t::PRIV_FLAGS_EXTERNAL_ONLY; 95 } 96 97 ColorSpace_t colorSpace = ITU_R_601; 98 flags |= private_handle_t::PRIV_FLAGS_ITU_R_601; 99 if (bufferType == BUFFER_TYPE_VIDEO) { 100 if (usage & GRALLOC_USAGE_HW_CAMERA_WRITE) { 101#ifndef MDSS_TARGET 102 colorSpace = ITU_R_601_FR; 103 flags |= private_handle_t::PRIV_FLAGS_ITU_R_601_FR; 104#else 105 // Per the camera spec ITU 709 format should be set only for 106 // video encoding. 107 // It should be set to ITU 601 full range format for any other 108 // camera buffer 109 // 110 if (usage & GRALLOC_USAGE_HW_CAMERA_MASK) { 111 if (usage & GRALLOC_USAGE_HW_VIDEO_ENCODER) { 112 flags |= private_handle_t::PRIV_FLAGS_ITU_R_709; 113 colorSpace = ITU_R_709; 114 } else { 115 flags |= private_handle_t::PRIV_FLAGS_ITU_R_601_FR; 116 colorSpace = ITU_R_601_FR; 117 } 118 } 119#endif 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 if(usage & GRALLOC_USAGE_PRIVATE_SECURE_DISPLAY) { 144 flags |= private_handle_t::PRIV_FLAGS_SECURE_DISPLAY; 145 } 146 147 if(isMacroTileEnabled(format, usage)) { 148 flags |= private_handle_t::PRIV_FLAGS_TILE_RENDERED; 149 } 150 151 if (isUBwcEnabled(format, usage)) { 152 flags |= private_handle_t::PRIV_FLAGS_UBWC_ALIGNED; 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 189void gpu_context_t::getGrallocInformationFromFormat(int inputFormat, 190 int *bufferType) 191{ 192 *bufferType = BUFFER_TYPE_VIDEO; 193 194 if (isUncompressedRgbFormat(inputFormat) == TRUE) { 195 // RGB formats 196 *bufferType = BUFFER_TYPE_UI; 197 } 198} 199 200int gpu_context_t::gralloc_alloc_framebuffer_locked(int usage, 201 buffer_handle_t* pHandle) 202{ 203 private_module_t* m = reinterpret_cast<private_module_t*>(common.module); 204 205 // we don't support framebuffer allocations with graphics heap flags 206 if (usage & GRALLOC_HEAP_MASK) { 207 return -EINVAL; 208 } 209 210 if (m->framebuffer == NULL) { 211 ALOGE("%s: Invalid framebuffer", __FUNCTION__); 212 return -EINVAL; 213 } 214 215 const unsigned int bufferMask = m->bufferMask; 216 const uint32_t numBuffers = m->numBuffers; 217 unsigned int bufferSize = m->finfo.line_length * m->info.yres; 218 219 //adreno needs FB size to be page aligned 220 bufferSize = roundUpToPageSize(bufferSize); 221 222 if (numBuffers == 1) { 223 // If we have only one buffer, we never use page-flipping. Instead, 224 // we return a regular buffer which will be memcpy'ed to the main 225 // screen when post is called. 226 int newUsage = (usage & ~GRALLOC_USAGE_HW_FB) | GRALLOC_USAGE_HW_2D; 227 return gralloc_alloc_buffer(bufferSize, newUsage, pHandle, BUFFER_TYPE_UI, 228 m->fbFormat, m->info.xres, m->info.yres); 229 } 230 231 if (bufferMask >= ((1LU<<numBuffers)-1)) { 232 // We ran out of buffers. 233 return -ENOMEM; 234 } 235 236 // create a "fake" handle for it 237 uint64_t vaddr = uint64_t(m->framebuffer->base); 238 // As GPU needs ION FD, the private handle is created 239 // using ION fd and ION flags are set 240 private_handle_t* hnd = new private_handle_t( 241 dup(m->framebuffer->fd), bufferSize, 242 private_handle_t::PRIV_FLAGS_USES_ION | 243 private_handle_t::PRIV_FLAGS_FRAMEBUFFER, 244 BUFFER_TYPE_UI, m->fbFormat, m->info.xres, 245 m->info.yres); 246 247 // find a free slot 248 for (uint32_t i=0 ; i<numBuffers ; i++) { 249 if ((bufferMask & (1LU<<i)) == 0) { 250 m->bufferMask |= (uint32_t)(1LU<<i); 251 break; 252 } 253 vaddr += bufferSize; 254 } 255 hnd->base = vaddr; 256 hnd->offset = (unsigned int)(vaddr - m->framebuffer->base); 257 *pHandle = hnd; 258 return 0; 259} 260 261 262int gpu_context_t::gralloc_alloc_framebuffer(int usage, 263 buffer_handle_t* pHandle) 264{ 265 private_module_t* m = reinterpret_cast<private_module_t*>(common.module); 266 pthread_mutex_lock(&m->lock); 267 int err = gralloc_alloc_framebuffer_locked(usage, pHandle); 268 pthread_mutex_unlock(&m->lock); 269 return err; 270} 271 272int gpu_context_t::alloc_impl(int w, int h, int format, int usage, 273 buffer_handle_t* pHandle, int* pStride, 274 unsigned int bufferSize) { 275 if (!pHandle || !pStride) 276 return -EINVAL; 277 278 unsigned int size; 279 int alignedw, alignedh; 280 int grallocFormat = format; 281 int bufferType; 282 283 //If input format is HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED then based on 284 //the usage bits, gralloc assigns a format. 285 if(format == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED || 286 format == HAL_PIXEL_FORMAT_YCbCr_420_888) { 287 if(usage & GRALLOC_USAGE_HW_VIDEO_ENCODER) 288 grallocFormat = HAL_PIXEL_FORMAT_NV12_ENCODEABLE; //NV12 289 else if((usage & GRALLOC_USAGE_HW_CAMERA_MASK) 290 == GRALLOC_USAGE_HW_CAMERA_ZSL) 291 grallocFormat = HAL_PIXEL_FORMAT_NV21_ZSL; //NV21 ZSL 292 else if(usage & GRALLOC_USAGE_HW_CAMERA_READ) 293 grallocFormat = HAL_PIXEL_FORMAT_YCrCb_420_SP; //NV21 294 else if(usage & GRALLOC_USAGE_HW_CAMERA_WRITE) { 295 if (format == HAL_PIXEL_FORMAT_YCbCr_420_888) { 296 grallocFormat = HAL_PIXEL_FORMAT_NV21_ZSL; //NV21 297 } else { 298 grallocFormat = HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS; //NV12 preview 299 } 300 } else if(usage & GRALLOC_USAGE_HW_COMPOSER) 301 //XXX: If we still haven't set a format, default to RGBA8888 302 grallocFormat = HAL_PIXEL_FORMAT_RGBA_8888; 303 else if(format == HAL_PIXEL_FORMAT_YCbCr_420_888) 304 //If no other usage flags are detected, default the 305 //flexible YUV format to NV21_ZSL 306 grallocFormat = HAL_PIXEL_FORMAT_NV21_ZSL; 307 } 308 309 getGrallocInformationFromFormat(grallocFormat, &bufferType); 310 size = getBufferSizeAndDimensions(w, h, grallocFormat, usage, alignedw, 311 alignedh); 312 313 if ((unsigned int)size <= 0) 314 return -EINVAL; 315 size = (bufferSize >= size)? bufferSize : size; 316 317 bool useFbMem = false; 318 char property[PROPERTY_VALUE_MAX]; 319 if((usage & GRALLOC_USAGE_HW_FB) && 320 (property_get("debug.gralloc.map_fb_memory", property, NULL) > 0) && 321 (!strncmp(property, "1", PROPERTY_VALUE_MAX ) || 322 (!strncasecmp(property,"true", PROPERTY_VALUE_MAX )))) { 323 useFbMem = true; 324 } 325 326 int err = 0; 327 if(useFbMem) { 328 err = gralloc_alloc_framebuffer(usage, pHandle); 329 } else { 330 err = gralloc_alloc_buffer(size, usage, pHandle, bufferType, 331 grallocFormat, alignedw, alignedh); 332 } 333 334 if (err < 0) { 335 return err; 336 } 337 338 *pStride = alignedw; 339 return 0; 340} 341 342int gpu_context_t::free_impl(private_handle_t const* hnd) { 343 private_module_t* m = reinterpret_cast<private_module_t*>(common.module); 344 if (hnd->flags & private_handle_t::PRIV_FLAGS_FRAMEBUFFER) { 345 const unsigned int bufferSize = m->finfo.line_length * m->info.yres; 346 unsigned int index = (unsigned int) ((hnd->base - m->framebuffer->base) 347 / bufferSize); 348 m->bufferMask &= (uint32_t)~(1LU<<index); 349 } else { 350 351 terminateBuffer(&m->base, const_cast<private_handle_t*>(hnd)); 352 IMemAlloc* memalloc = mAllocCtrl->getAllocator(hnd->flags); 353 int err = memalloc->free_buffer((void*)hnd->base, hnd->size, 354 hnd->offset, hnd->fd); 355 if(err) 356 return err; 357 // free the metadata space 358 unsigned int size = ROUND_UP_PAGESIZE(sizeof(MetaData_t)); 359 err = memalloc->free_buffer((void*)hnd->base_metadata, 360 size, hnd->offset_metadata, 361 hnd->fd_metadata); 362 if (err) 363 return err; 364 } 365 delete hnd; 366 return 0; 367} 368 369int gpu_context_t::gralloc_alloc(alloc_device_t* dev, int w, int h, int format, 370 int usage, buffer_handle_t* pHandle, 371 int* pStride) 372{ 373 if (!dev) { 374 return -EINVAL; 375 } 376 gpu_context_t* gpu = reinterpret_cast<gpu_context_t*>(dev); 377 return gpu->alloc_impl(w, h, format, usage, pHandle, pStride, 0); 378} 379int gpu_context_t::gralloc_alloc_size(alloc_device_t* dev, int w, int h, 380 int format, int usage, 381 buffer_handle_t* pHandle, int* pStride, 382 int bufferSize) 383{ 384 if (!dev) { 385 return -EINVAL; 386 } 387 gpu_context_t* gpu = reinterpret_cast<gpu_context_t*>(dev); 388 return gpu->alloc_impl(w, h, format, usage, pHandle, pStride, bufferSize); 389} 390 391 392int gpu_context_t::gralloc_free(alloc_device_t* dev, 393 buffer_handle_t handle) 394{ 395 if (private_handle_t::validate(handle) < 0) 396 return -EINVAL; 397 398 private_handle_t const* hnd = reinterpret_cast<private_handle_t const*>(handle); 399 gpu_context_t* gpu = reinterpret_cast<gpu_context_t*>(dev); 400 return gpu->free_impl(hnd); 401} 402 403/*****************************************************************************/ 404 405int gpu_context_t::gralloc_close(struct hw_device_t *dev) 406{ 407 gpu_context_t* ctx = reinterpret_cast<gpu_context_t*>(dev); 408 if (ctx) { 409 /* TODO: keep a list of all buffer_handle_t created, and free them 410 * all here. 411 */ 412 delete ctx; 413 } 414 return 0; 415} 416 417