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      1 /*
      2  * Copyright (C) 2010 The Android Open Source Project
      3  * Copyright (c) 2011-2014,2017 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 #include <linux/msm_ion.h>
     24 #include <qdMetaData.h>
     25 #include <algorithm>
     26 
     27 #include "gr.h"
     28 #include "gpu.h"
     29 #include "memalloc.h"
     30 #include "alloc_controller.h"
     31 
     32 using namespace gralloc;
     33 
     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 
     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     int alignedw = 0;
     58     int alignedh = 0;
     59 
     60     AdrenoMemInfo::getInstance().getAlignedWidthAndHeight(width,
     61             height,
     62             format,
     63             usage,
     64             alignedw,
     65             alignedh);
     66 
     67     size = roundUpToPageSize(size);
     68     alloc_data data;
     69     data.offset = 0;
     70     data.fd = -1;
     71     data.base = 0;
     72     if(format == HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED)
     73         data.align = 8192;
     74     else
     75         data.align = getpagesize();
     76 
     77     if (usage & GRALLOC_USAGE_PROTECTED) {
     78             if ((usage & GRALLOC_USAGE_PRIVATE_SECURE_DISPLAY) ||
     79                 (usage & GRALLOC_USAGE_HW_CAMERA_MASK)) {
     80                 /* The alignment here reflects qsee mmu V7L/V8L requirement */
     81                 data.align = SZ_2M;
     82             } else {
     83                 data.align = SECURE_ALIGN;
     84             }
     85         size = ALIGN(size, data.align);
     86     }
     87 
     88     data.size = size;
     89     data.pHandle = (uintptr_t) pHandle;
     90     err = mAllocCtrl->allocate(data, usage);
     91 
     92     if (!err) {
     93         /* allocate memory for enhancement data */
     94         alloc_data eData;
     95         eData.fd = -1;
     96         eData.base = 0;
     97         eData.offset = 0;
     98         eData.size = ROUND_UP_PAGESIZE(sizeof(MetaData_t));
     99         eData.pHandle = data.pHandle;
    100         eData.align = getpagesize();
    101         int eDataUsage = 0;
    102         int eDataErr = mAllocCtrl->allocate(eData, eDataUsage);
    103         ALOGE_IF(eDataErr, "gralloc failed for eDataErr=%s",
    104                                           strerror(-eDataErr));
    105 
    106         if (usage & GRALLOC_USAGE_PRIVATE_EXTERNAL_ONLY) {
    107             flags |= private_handle_t::PRIV_FLAGS_EXTERNAL_ONLY;
    108         }
    109 
    110         if (usage & GRALLOC_USAGE_PRIVATE_INTERNAL_ONLY) {
    111             flags |= private_handle_t::PRIV_FLAGS_INTERNAL_ONLY;
    112         }
    113 
    114         if (usage & GRALLOC_USAGE_HW_VIDEO_ENCODER ) {
    115             flags |= private_handle_t::PRIV_FLAGS_VIDEO_ENCODER;
    116         }
    117 
    118         if (usage & GRALLOC_USAGE_HW_CAMERA_WRITE) {
    119             flags |= private_handle_t::PRIV_FLAGS_CAMERA_WRITE;
    120         }
    121 
    122         if (usage & GRALLOC_USAGE_HW_CAMERA_READ) {
    123             flags |= private_handle_t::PRIV_FLAGS_CAMERA_READ;
    124         }
    125 
    126         if (usage & GRALLOC_USAGE_HW_COMPOSER) {
    127             flags |= private_handle_t::PRIV_FLAGS_HW_COMPOSER;
    128         }
    129 
    130         if (usage & GRALLOC_USAGE_HW_TEXTURE) {
    131             flags |= private_handle_t::PRIV_FLAGS_HW_TEXTURE;
    132         }
    133 
    134         if(usage & GRALLOC_USAGE_PRIVATE_SECURE_DISPLAY) {
    135             flags |= private_handle_t::PRIV_FLAGS_SECURE_DISPLAY;
    136         }
    137 
    138         if (isUBwcEnabled(format, usage)) {
    139             flags |= private_handle_t::PRIV_FLAGS_UBWC_ALIGNED;
    140         }
    141 
    142         if(usage & (GRALLOC_USAGE_SW_READ_MASK | GRALLOC_USAGE_SW_WRITE_MASK)) {
    143             flags |= private_handle_t::PRIV_FLAGS_CPU_RENDERED;
    144         }
    145 
    146         if (usage & (GRALLOC_USAGE_HW_VIDEO_ENCODER |
    147                 GRALLOC_USAGE_HW_CAMERA_WRITE |
    148                 GRALLOC_USAGE_HW_RENDER |
    149                 GRALLOC_USAGE_HW_FB)) {
    150             flags |= private_handle_t::PRIV_FLAGS_NON_CPU_WRITER;
    151         }
    152 
    153         if(usage & GRALLOC_USAGE_HW_COMPOSER) {
    154             flags |= private_handle_t::PRIV_FLAGS_DISP_CONSUMER;
    155         }
    156 
    157         if(false == data.uncached) {
    158             flags |= private_handle_t::PRIV_FLAGS_CACHED;
    159         }
    160 
    161         flags |= data.allocType;
    162         uint64_t eBaseAddr = (uint64_t)(eData.base) + eData.offset;
    163         private_handle_t *hnd = new private_handle_t(data.fd, size, flags,
    164                 bufferType, format, alignedw, alignedh,
    165                 eData.fd, eData.offset, eBaseAddr, width, height);
    166 
    167         hnd->offset = data.offset;
    168         hnd->base = (uint64_t)(data.base) + data.offset;
    169         hnd->gpuaddr = 0;
    170         ColorSpace_t colorSpace = ITU_R_601;
    171         setMetaData(hnd, UPDATE_COLOR_SPACE, (void*) &colorSpace);
    172         *pHandle = hnd;
    173     }
    174 
    175     ALOGE_IF(err, "gralloc failed err=%s", strerror(-err));
    176     return err;
    177 }
    178 
    179 void gpu_context_t::getGrallocInformationFromFormat(int inputFormat,
    180                                                     int *bufferType)
    181 {
    182     *bufferType = BUFFER_TYPE_VIDEO;
    183 
    184     if (isUncompressedRgbFormat(inputFormat) == TRUE) {
    185         // RGB formats
    186         *bufferType = BUFFER_TYPE_UI;
    187     }
    188 }
    189 
    190 int gpu_context_t::gralloc_alloc_framebuffer_locked(int usage,
    191                                                     buffer_handle_t* pHandle)
    192 {
    193     private_module_t* m = reinterpret_cast<private_module_t*>(common.module);
    194 
    195     // This allocation will only happen when gralloc is in fb mode
    196 
    197     if (m->framebuffer == NULL) {
    198         ALOGE("%s: Invalid framebuffer", __FUNCTION__);
    199         return -EINVAL;
    200     }
    201 
    202     const unsigned int bufferMask = m->bufferMask;
    203     const uint32_t numBuffers = m->numBuffers;
    204     unsigned int bufferSize = m->finfo.line_length * m->info.yres;
    205 
    206     //adreno needs FB size to be page aligned
    207     bufferSize = roundUpToPageSize(bufferSize);
    208 
    209     if (numBuffers == 1) {
    210         // If we have only one buffer, we never use page-flipping. Instead,
    211         // we return a regular buffer which will be memcpy'ed to the main
    212         // screen when post is called.
    213         int newUsage = (usage & ~GRALLOC_USAGE_HW_FB) | GRALLOC_USAGE_HW_2D;
    214         return gralloc_alloc_buffer(bufferSize, newUsage, pHandle, BUFFER_TYPE_UI,
    215                                     m->fbFormat, m->info.xres, m->info.yres);
    216     }
    217 
    218     if (bufferMask >= ((1LU<<numBuffers)-1)) {
    219         // We ran out of buffers.
    220         return -ENOMEM;
    221     }
    222 
    223     // create a "fake" handle for it
    224     uint64_t vaddr = uint64_t(m->framebuffer->base);
    225     // As GPU needs ION FD, the private handle is created
    226     // using ION fd and ION flags are set
    227     private_handle_t* hnd = new private_handle_t(
    228         dup(m->framebuffer->fd), bufferSize,
    229         private_handle_t::PRIV_FLAGS_USES_ION |
    230         private_handle_t::PRIV_FLAGS_FRAMEBUFFER,
    231         BUFFER_TYPE_UI, m->fbFormat, m->info.xres,
    232         m->info.yres);
    233 
    234     // find a free slot
    235     for (uint32_t i=0 ; i<numBuffers ; i++) {
    236         if ((bufferMask & (1LU<<i)) == 0) {
    237             m->bufferMask |= (uint32_t)(1LU<<i);
    238             break;
    239         }
    240         vaddr += bufferSize;
    241     }
    242     hnd->base = vaddr;
    243     hnd->offset = (unsigned int)(vaddr - m->framebuffer->base);
    244     *pHandle = hnd;
    245     return 0;
    246 }
    247 
    248 
    249 int gpu_context_t::gralloc_alloc_framebuffer(int usage,
    250                                              buffer_handle_t* pHandle)
    251 {
    252     private_module_t* m = reinterpret_cast<private_module_t*>(common.module);
    253     pthread_mutex_lock(&m->lock);
    254     int err = gralloc_alloc_framebuffer_locked(usage, pHandle);
    255     pthread_mutex_unlock(&m->lock);
    256     return err;
    257 }
    258 
    259 int gpu_context_t::alloc_impl(int w, int h, int format, int usage,
    260                               buffer_handle_t* pHandle, int* pStride,
    261                               unsigned int bufferSize) {
    262     if (!pHandle || !pStride)
    263         return -EINVAL;
    264 
    265     unsigned int size;
    266     int alignedw, alignedh;
    267     int grallocFormat = format;
    268     int bufferType;
    269 
    270     //If input format is HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED then based on
    271     //the usage bits, gralloc assigns a format.
    272     if(format == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED ||
    273        format == HAL_PIXEL_FORMAT_YCbCr_420_888) {
    274         if (usage & GRALLOC_USAGE_PRIVATE_ALLOC_UBWC)
    275             grallocFormat = HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS_UBWC;
    276         else if(usage & GRALLOC_USAGE_HW_VIDEO_ENCODER) {
    277             if(MDPCapabilityInfo::getInstance().isWBUBWCSupportedByMDP() &&
    278                !IAllocController::getInstance()->isDisableUBWCForEncoder() &&
    279                usage & GRALLOC_USAGE_HW_COMPOSER)
    280               grallocFormat = HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS_UBWC;
    281             else
    282               grallocFormat = HAL_PIXEL_FORMAT_NV12_ENCODEABLE; //NV12
    283         } else if((usage & GRALLOC_USAGE_HW_CAMERA_MASK)
    284                 == GRALLOC_USAGE_HW_CAMERA_ZSL)
    285             grallocFormat = HAL_PIXEL_FORMAT_NV21_ZSL; //NV21 ZSL
    286         else if(usage & GRALLOC_USAGE_HW_CAMERA_READ)
    287             grallocFormat = HAL_PIXEL_FORMAT_YCrCb_420_SP; //NV21
    288         else if(usage & GRALLOC_USAGE_HW_CAMERA_WRITE) {
    289            if (format == HAL_PIXEL_FORMAT_YCbCr_420_888) {
    290                grallocFormat = HAL_PIXEL_FORMAT_NV21_ZSL; //NV21
    291            } else {
    292                grallocFormat = HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS; //NV12 preview
    293            }
    294         } else if(usage & GRALLOC_USAGE_HW_COMPOSER)
    295             //XXX: If we still haven't set a format, default to RGBA8888
    296             grallocFormat = HAL_PIXEL_FORMAT_RGBA_8888;
    297         else if(format == HAL_PIXEL_FORMAT_YCbCr_420_888) {
    298             //If no other usage flags are detected, default the
    299             //flexible YUV format to NV21_ZSL
    300             grallocFormat = HAL_PIXEL_FORMAT_NV21_ZSL;
    301         }
    302     }
    303 
    304     bool useFbMem = false;
    305     char property[PROPERTY_VALUE_MAX];
    306     char isUBWC[PROPERTY_VALUE_MAX];
    307     if (usage & GRALLOC_USAGE_HW_FB) {
    308         if ((property_get("debug.gralloc.map_fb_memory", property, NULL) > 0) &&
    309             (!strncmp(property, "1", PROPERTY_VALUE_MAX ) ||
    310             (!strncasecmp(property,"true", PROPERTY_VALUE_MAX )))) {
    311             useFbMem = true;
    312         } else {
    313             usage &= ~GRALLOC_USAGE_PRIVATE_ALLOC_UBWC;
    314             if (property_get("debug.gralloc.enable_fb_ubwc", isUBWC, NULL) > 0){
    315                 if ((!strncmp(isUBWC, "1", PROPERTY_VALUE_MAX)) ||
    316                     (!strncasecmp(isUBWC, "true", PROPERTY_VALUE_MAX))) {
    317                     // Allocate UBWC aligned framebuffer
    318                     usage |= GRALLOC_USAGE_PRIVATE_ALLOC_UBWC;
    319                 }
    320             }
    321         }
    322     }
    323 
    324     getGrallocInformationFromFormat(grallocFormat, &bufferType);
    325     size = getBufferSizeAndDimensions(w, h, grallocFormat, usage, alignedw,
    326                    alignedh);
    327 
    328     if ((unsigned int)size <= 0)
    329         return -EINVAL;
    330     size = (bufferSize >= size)? bufferSize : size;
    331 
    332     int err = 0;
    333     if(useFbMem) {
    334         err = gralloc_alloc_framebuffer(usage, pHandle);
    335     } else {
    336         err = gralloc_alloc_buffer(size, usage, pHandle, bufferType,
    337                                    grallocFormat, w, h);
    338     }
    339 
    340     if (err < 0) {
    341         return err;
    342     }
    343 
    344     *pStride = alignedw;
    345     return 0;
    346 }
    347 
    348 int gpu_context_t::free_impl(private_handle_t const* hnd) {
    349     private_module_t* m = reinterpret_cast<private_module_t*>(common.module);
    350     if (hnd->flags & private_handle_t::PRIV_FLAGS_FRAMEBUFFER) {
    351         const unsigned int bufferSize = m->finfo.line_length * m->info.yres;
    352         unsigned int index = (unsigned int) ((hnd->base - m->framebuffer->base)
    353                 / bufferSize);
    354         m->bufferMask &= (uint32_t)~(1LU<<index);
    355     } else {
    356 
    357         terminateBuffer(&m->base, const_cast<private_handle_t*>(hnd));
    358         IMemAlloc* memalloc = mAllocCtrl->getAllocator(hnd->flags);
    359         int err = memalloc->free_buffer((void*)hnd->base, hnd->size,
    360                                         hnd->offset, hnd->fd);
    361         if(err)
    362             return err;
    363         // free the metadata space
    364         unsigned int size = ROUND_UP_PAGESIZE(sizeof(MetaData_t));
    365         err = memalloc->free_buffer((void*)hnd->base_metadata,
    366                                     size, hnd->offset_metadata,
    367                                     hnd->fd_metadata);
    368         if (err)
    369             return err;
    370     }
    371 
    372     delete hnd;
    373     return 0;
    374 }
    375 
    376 int gpu_context_t::gralloc_alloc(alloc_device_t* dev, int w, int h, int format,
    377                                  int usage, buffer_handle_t* pHandle,
    378                                  int* pStride)
    379 {
    380     if (!dev) {
    381         return -EINVAL;
    382     }
    383     gpu_context_t* gpu = reinterpret_cast<gpu_context_t*>(dev);
    384     return gpu->alloc_impl(w, h, format, usage, pHandle, pStride, 0);
    385 }
    386 int gpu_context_t::gralloc_alloc_size(alloc_device_t* dev, int w, int h,
    387                                       int format, int usage,
    388                                       buffer_handle_t* pHandle, int* pStride,
    389                                       int bufferSize)
    390 {
    391     if (!dev) {
    392         return -EINVAL;
    393     }
    394     gpu_context_t* gpu = reinterpret_cast<gpu_context_t*>(dev);
    395     return gpu->alloc_impl(w, h, format, usage, pHandle, pStride, bufferSize);
    396 }
    397 
    398 
    399 int gpu_context_t::gralloc_free(alloc_device_t* dev,
    400                                 buffer_handle_t handle)
    401 {
    402     if (private_handle_t::validate(handle) < 0)
    403         return -EINVAL;
    404 
    405     private_handle_t const* hnd = reinterpret_cast<private_handle_t const*>(handle);
    406     gpu_context_t* gpu = reinterpret_cast<gpu_context_t*>(dev);
    407     return gpu->free_impl(hnd);
    408 }
    409 
    410 /*****************************************************************************/
    411 
    412 int gpu_context_t::gralloc_close(struct hw_device_t *dev)
    413 {
    414     gpu_context_t* ctx = reinterpret_cast<gpu_context_t*>(dev);
    415     if (ctx) {
    416         /* TODO: keep a list of all buffer_handle_t created, and free them
    417          * all here.
    418          */
    419         delete ctx;
    420     }
    421     return 0;
    422 }
    423 
    424