1 /* 2 * Copyright (c) 2011-2012, 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 <cutils/log.h> 31 #include <fcntl.h> 32 #include <dlfcn.h> 33 #include "gralloc_priv.h" 34 #include "alloc_controller.h" 35 #include "memalloc.h" 36 #include "ionalloc.h" 37 #include "gr.h" 38 #include "comptype.h" 39 40 #ifdef VENUS_COLOR_FORMAT 41 #include <media/msm_media_info.h> 42 #else 43 #define VENUS_Y_STRIDE(args...) 0 44 #define VENUS_Y_SCANLINES(args...) 0 45 #define VENUS_BUFFER_SIZE(args...) 0 46 #endif 47 48 using namespace gralloc; 49 using namespace qdutils; 50 51 ANDROID_SINGLETON_STATIC_INSTANCE(AdrenoMemInfo); 52 53 //Common functions 54 static bool canFallback(int usage, bool triedSystem) 55 { 56 // Fallback to system heap when alloc fails unless 57 // 1. Composition type is MDP 58 // 2. Alloc from system heap was already tried 59 // 3. The heap type is requsted explicitly 60 // 4. The heap type is protected 61 // 5. The buffer is meant for external display only 62 63 if(QCCompositionType::getInstance().getCompositionType() & 64 COMPOSITION_TYPE_MDP) 65 return false; 66 if(triedSystem) 67 return false; 68 if(usage & (GRALLOC_HEAP_MASK | GRALLOC_USAGE_PROTECTED)) 69 return false; 70 if(usage & (GRALLOC_HEAP_MASK | GRALLOC_USAGE_PRIVATE_EXTERNAL_ONLY)) 71 return false; 72 //Return true by default 73 return true; 74 } 75 76 static bool useUncached(int usage) 77 { 78 // System heaps cannot be uncached 79 if(usage & GRALLOC_USAGE_PRIVATE_SYSTEM_HEAP) 80 return false; 81 if (usage & GRALLOC_USAGE_PRIVATE_UNCACHED) 82 return true; 83 return false; 84 } 85 86 //-------------- AdrenoMemInfo-----------------------// 87 AdrenoMemInfo::AdrenoMemInfo() 88 { 89 libadreno_utils = ::dlopen("libadreno_utils.so", RTLD_NOW); 90 if (libadreno_utils) { 91 *(void **)&LINK_adreno_compute_padding = ::dlsym(libadreno_utils, 92 "compute_surface_padding"); 93 } 94 } 95 96 AdrenoMemInfo::~AdrenoMemInfo() 97 { 98 if (libadreno_utils) { 99 ::dlclose(libadreno_utils); 100 } 101 } 102 103 int AdrenoMemInfo::getStride(int width, int format) 104 { 105 int stride = ALIGN(width, 32); 106 // Currently surface padding is only computed for RGB* surfaces. 107 if (format < 0x7) { 108 int bpp = 4; 109 switch(format) 110 { 111 case HAL_PIXEL_FORMAT_RGB_888: 112 bpp = 3; 113 break; 114 case HAL_PIXEL_FORMAT_RGB_565: 115 case HAL_PIXEL_FORMAT_RGBA_5551: 116 case HAL_PIXEL_FORMAT_RGBA_4444: 117 bpp = 2; 118 break; 119 default: break; 120 } 121 if ((libadreno_utils) && (LINK_adreno_compute_padding)) { 122 int surface_tile_height = 1; // Linear surface 123 int raster_mode = 0; // Adreno unknown raster mode. 124 int padding_threshold = 512; // Threshold for padding surfaces. 125 // the function below expects the width to be a multiple of 126 // 32 pixels, hence we pass stride instead of width. 127 stride = LINK_adreno_compute_padding(stride, bpp, 128 surface_tile_height, raster_mode, 129 padding_threshold); 130 } 131 } else { 132 switch (format) 133 { 134 case HAL_PIXEL_FORMAT_YCrCb_420_SP_ADRENO: 135 case HAL_PIXEL_FORMAT_RAW_SENSOR: 136 stride = ALIGN(width, 32); 137 break; 138 case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: 139 stride = ALIGN(width, 128); 140 break; 141 case HAL_PIXEL_FORMAT_NV12_ENCODEABLE: 142 case HAL_PIXEL_FORMAT_YCbCr_420_SP: 143 case HAL_PIXEL_FORMAT_YCrCb_420_SP: 144 case HAL_PIXEL_FORMAT_YV12: 145 case HAL_PIXEL_FORMAT_YCbCr_422_SP: 146 case HAL_PIXEL_FORMAT_YCrCb_422_SP: 147 stride = ALIGN(width, 16); 148 break; 149 case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS: 150 stride = VENUS_Y_STRIDE(COLOR_FMT_NV12, width); 151 break; 152 case HAL_PIXEL_FORMAT_BLOB: 153 stride = width; 154 break; 155 default: break; 156 } 157 } 158 return stride; 159 } 160 161 //-------------- IAllocController-----------------------// 162 IAllocController* IAllocController::sController = NULL; 163 IAllocController* IAllocController::getInstance(void) 164 { 165 if(sController == NULL) { 166 sController = new IonController(); 167 } 168 return sController; 169 } 170 171 172 //-------------- IonController-----------------------// 173 IonController::IonController() 174 { 175 mIonAlloc = new IonAlloc(); 176 } 177 178 int IonController::allocate(alloc_data& data, int usage) 179 { 180 int ionFlags = 0; 181 int ret; 182 183 data.uncached = useUncached(usage); 184 data.allocType = 0; 185 186 if(usage & GRALLOC_USAGE_PRIVATE_UI_CONTIG_HEAP) 187 ionFlags |= ION_HEAP(ION_SF_HEAP_ID); 188 189 if(usage & GRALLOC_USAGE_PRIVATE_SYSTEM_HEAP) 190 ionFlags |= ION_HEAP(ION_SYSTEM_HEAP_ID); 191 192 if(usage & GRALLOC_USAGE_PRIVATE_IOMMU_HEAP) 193 ionFlags |= ION_HEAP(ION_IOMMU_HEAP_ID); 194 195 //MM Heap is exclusively a secure heap. 196 if(usage & GRALLOC_USAGE_PRIVATE_MM_HEAP) { 197 //XXX: Right now the MM heap is the only secure heap we have. When we 198 //have other secure heaps, we can change this. 199 if(usage & GRALLOC_USAGE_PROTECTED) { 200 ionFlags |= ION_HEAP(ION_CP_MM_HEAP_ID); 201 ionFlags |= ION_SECURE; 202 } 203 else { 204 ALOGW("GRALLOC_USAGE_PRIVATE_MM_HEAP \ 205 cannot be used as an insecure heap!\ 206 trying to use IOMMU instead !!"); 207 ionFlags |= ION_HEAP(ION_IOMMU_HEAP_ID); 208 } 209 } 210 211 if(usage & GRALLOC_USAGE_PRIVATE_CAMERA_HEAP) 212 ionFlags |= ION_HEAP(ION_CAMERA_HEAP_ID); 213 214 if(usage & GRALLOC_USAGE_PROTECTED) 215 data.allocType |= private_handle_t::PRIV_FLAGS_SECURE_BUFFER; 216 217 // if no flags are set, default to 218 // SF + IOMMU heaps, so that bypass can work 219 // we can fall back to system heap if 220 // we run out. 221 if(!ionFlags) 222 ionFlags = ION_HEAP(ION_SF_HEAP_ID) | ION_HEAP(ION_IOMMU_HEAP_ID); 223 224 data.flags = ionFlags; 225 ret = mIonAlloc->alloc_buffer(data); 226 227 // Fallback 228 if(ret < 0 && canFallback(usage, 229 (ionFlags & ION_SYSTEM_HEAP_ID))) 230 { 231 ALOGW("Falling back to system heap"); 232 data.flags = ION_HEAP(ION_SYSTEM_HEAP_ID); 233 ret = mIonAlloc->alloc_buffer(data); 234 } 235 236 if(ret >= 0 ) { 237 data.allocType |= private_handle_t::PRIV_FLAGS_USES_ION; 238 } 239 240 return ret; 241 } 242 243 IMemAlloc* IonController::getAllocator(int flags) 244 { 245 IMemAlloc* memalloc = NULL; 246 if (flags & private_handle_t::PRIV_FLAGS_USES_ION) { 247 memalloc = mIonAlloc; 248 } else { 249 ALOGE("%s: Invalid flags passed: 0x%x", __FUNCTION__, flags); 250 } 251 252 return memalloc; 253 } 254 255 size_t getBufferSizeAndDimensions(int width, int height, int format, 256 int& alignedw, int &alignedh) 257 { 258 size_t size; 259 260 alignedw = AdrenoMemInfo::getInstance().getStride(width, format); 261 alignedh = ALIGN(height, 32); 262 switch (format) { 263 case HAL_PIXEL_FORMAT_RGBA_8888: 264 case HAL_PIXEL_FORMAT_RGBX_8888: 265 case HAL_PIXEL_FORMAT_BGRA_8888: 266 size = alignedw * alignedh * 4; 267 break; 268 case HAL_PIXEL_FORMAT_RGB_888: 269 size = alignedw * alignedh * 3; 270 break; 271 case HAL_PIXEL_FORMAT_RGB_565: 272 case HAL_PIXEL_FORMAT_RGBA_5551: 273 case HAL_PIXEL_FORMAT_RGBA_4444: 274 case HAL_PIXEL_FORMAT_RAW_SENSOR: 275 size = alignedw * alignedh * 2; 276 break; 277 278 // adreno formats 279 case HAL_PIXEL_FORMAT_YCrCb_420_SP_ADRENO: // NV21 280 size = ALIGN(alignedw*alignedh, 4096); 281 size += ALIGN(2 * ALIGN(width/2, 32) * ALIGN(height/2, 32), 4096); 282 break; 283 case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: // NV12 284 // The chroma plane is subsampled, 285 // but the pitch in bytes is unchanged 286 // The GPU needs 4K alignment, but the video decoder needs 8K 287 size = ALIGN( alignedw * alignedh, 8192); 288 size += ALIGN( alignedw * ALIGN(height/2, 32), 8192); 289 break; 290 case HAL_PIXEL_FORMAT_NV12_ENCODEABLE: 291 case HAL_PIXEL_FORMAT_YV12: 292 if ((format == HAL_PIXEL_FORMAT_YV12) && ((width&1) || (height&1))) { 293 ALOGE("w or h is odd for the YV12 format"); 294 return -EINVAL; 295 } 296 alignedh = height; 297 if (HAL_PIXEL_FORMAT_NV12_ENCODEABLE == format) { 298 // The encoder requires a 2K aligned chroma offset. 299 size = ALIGN(alignedw*alignedh, 2048) + 300 (ALIGN(alignedw/2, 16) * (alignedh/2))*2; 301 } else { 302 size = alignedw*alignedh + 303 (ALIGN(alignedw/2, 16) * (alignedh/2))*2; 304 } 305 size = ALIGN(size, 4096); 306 break; 307 case HAL_PIXEL_FORMAT_YCbCr_420_SP: 308 case HAL_PIXEL_FORMAT_YCrCb_420_SP: 309 alignedh = height; 310 size = ALIGN((alignedw*alignedh) + (alignedw* alignedh)/2, 4096); 311 break; 312 case HAL_PIXEL_FORMAT_YCbCr_422_SP: 313 case HAL_PIXEL_FORMAT_YCrCb_422_SP: 314 if(width & 1) { 315 ALOGE("width is odd for the YUV422_SP format"); 316 return -EINVAL; 317 } 318 alignedh = height; 319 size = ALIGN(alignedw * alignedh * 2, 4096); 320 break; 321 case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS: 322 alignedh = VENUS_Y_SCANLINES(COLOR_FMT_NV12, height); 323 size = VENUS_BUFFER_SIZE(COLOR_FMT_NV12, width, height); 324 break; 325 case HAL_PIXEL_FORMAT_BLOB: 326 if(height != 1) { 327 ALOGE("%s: Buffers with format HAL_PIXEL_FORMAT_BLOB \ 328 must have height==1 ", __FUNCTION__); 329 return -EINVAL; 330 } 331 alignedh = height; 332 alignedw = width; 333 size = width; 334 break; 335 default: 336 ALOGE("unrecognized pixel format: 0x%x", format); 337 return -EINVAL; 338 } 339 340 return size; 341 } 342 343 // Allocate buffer from width, height and format into a 344 // private_handle_t. It is the responsibility of the caller 345 // to free the buffer using the free_buffer function 346 int alloc_buffer(private_handle_t **pHnd, int w, int h, int format, int usage) 347 { 348 alloc_data data; 349 int alignedw, alignedh; 350 gralloc::IAllocController* sAlloc = 351 gralloc::IAllocController::getInstance(); 352 data.base = 0; 353 data.fd = -1; 354 data.offset = 0; 355 data.size = getBufferSizeAndDimensions(w, h, format, alignedw, alignedh); 356 data.align = getpagesize(); 357 data.uncached = useUncached(usage); 358 int allocFlags = usage; 359 360 int err = sAlloc->allocate(data, allocFlags); 361 if (0 != err) { 362 ALOGE("%s: allocate failed", __FUNCTION__); 363 return -ENOMEM; 364 } 365 366 private_handle_t* hnd = new private_handle_t(data.fd, data.size, 367 data.allocType, 0, format, 368 alignedw, alignedh); 369 hnd->base = (int) data.base; 370 hnd->offset = data.offset; 371 hnd->gpuaddr = 0; 372 *pHnd = hnd; 373 return 0; 374 } 375 376 void free_buffer(private_handle_t *hnd) 377 { 378 gralloc::IAllocController* sAlloc = 379 gralloc::IAllocController::getInstance(); 380 if (hnd && hnd->fd > 0) { 381 IMemAlloc* memalloc = sAlloc->getAllocator(hnd->flags); 382 memalloc->free_buffer((void*)hnd->base, hnd->size, hnd->offset, hnd->fd); 383 } 384 if(hnd) 385 delete hnd; 386 387 } 388
