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      1 /*
      2 * Copyright (c) 2015-2017, 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 <gralloc_priv.h>
     31 
     32 #include <core/buffer_allocator.h>
     33 #include <utils/constants.h>
     34 #include <utils/debug.h>
     35 
     36 #include "hwc_buffer_allocator.h"
     37 #include "hwc_debugger.h"
     38 
     39 #define __CLASS__ "HWCBufferAllocator"
     40 namespace sdm {
     41 
     42 HWCBufferAllocator::HWCBufferAllocator() {
     43   int err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module_);
     44   if (err != 0) {
     45     DLOGE("FATAL: can not open GRALLOC module");
     46   } else {
     47     gralloc1_open(module_, &gralloc_device_);
     48   }
     49   ReleaseBuffer_ = reinterpret_cast<GRALLOC1_PFN_RELEASE>(
     50       gralloc_device_->getFunction(gralloc_device_, GRALLOC1_FUNCTION_RELEASE));
     51   Perform_ = reinterpret_cast<GRALLOC1_PFN_PERFORM>(
     52       gralloc_device_->getFunction(gralloc_device_, GRALLOC1_FUNCTION_PERFORM));
     53 }
     54 
     55 HWCBufferAllocator::~HWCBufferAllocator() {
     56   if (gralloc_device_ != nullptr) {
     57     gralloc1_close(gralloc_device_);
     58   }
     59 }
     60 
     61 DisplayError HWCBufferAllocator::AllocateBuffer(BufferInfo *buffer_info) {
     62   const BufferConfig &buffer_config = buffer_info->buffer_config;
     63   AllocatedBufferInfo *alloc_buffer_info = &buffer_info->alloc_buffer_info;
     64   uint32_t width = buffer_config.width;
     65   uint32_t height = buffer_config.height;
     66   int format;
     67   int alloc_flags = 0;
     68   int error = SetBufferInfo(buffer_config.format, &format, &alloc_flags);
     69   if (error != 0) {
     70     return kErrorParameters;
     71   }
     72 
     73   if (buffer_config.secure) {
     74     alloc_flags |= GRALLOC1_PRODUCER_USAGE_PROTECTED;
     75   }
     76 
     77   if (!buffer_config.cache) {
     78     // Allocate uncached buffers
     79     alloc_flags |= GRALLOC_USAGE_PRIVATE_UNCACHED;
     80   }
     81   uint64_t producer_usage = UINT64(alloc_flags);
     82   uint64_t consumer_usage = UINT64(alloc_flags);
     83   // CreateBuffer
     84   private_handle_t *hnd = nullptr;
     85   Perform_(gralloc_device_, GRALLOC1_MODULE_PERFORM_ALLOCATE_BUFFER, width, height, format,
     86            producer_usage, consumer_usage, &hnd);
     87 
     88   if (hnd) {
     89     alloc_buffer_info->fd = hnd->fd;
     90     alloc_buffer_info->stride = UINT32(hnd->width);
     91     alloc_buffer_info->size = hnd->size;
     92   } else {
     93     DLOGE("Failed to allocate memory");
     94     return kErrorMemory;
     95   }
     96 
     97   buffer_info->private_data = reinterpret_cast<void *>(hnd);
     98   return kErrorNone;
     99 }
    100 
    101 DisplayError HWCBufferAllocator::FreeBuffer(BufferInfo *buffer_info) {
    102   DisplayError err = kErrorNone;
    103   buffer_handle_t hnd = static_cast<private_handle_t *>(buffer_info->private_data);
    104   ReleaseBuffer_(gralloc_device_, hnd);
    105   AllocatedBufferInfo *alloc_buffer_info = &buffer_info->alloc_buffer_info;
    106   alloc_buffer_info->fd = -1;
    107   alloc_buffer_info->stride = 0;
    108   alloc_buffer_info->size = 0;
    109   buffer_info->private_data = NULL;
    110   return err;
    111 }
    112 
    113 void HWCBufferAllocator::GetCustomWidthAndHeight(const private_handle_t *handle, int *width,
    114                                                  int *height) {
    115   Perform_(gralloc_device_, GRALLOC_MODULE_PERFORM_GET_CUSTOM_STRIDE_AND_HEIGHT_FROM_HANDLE, handle,
    116            width, height);
    117 }
    118 
    119 void HWCBufferAllocator::GetAlignedWidthAndHeight(int width, int height, int format,
    120                                                   uint32_t alloc_type, int *aligned_width,
    121                                                   int *aligned_height) {
    122   int tile_enabled;
    123   gralloc1_producer_usage_t producer_usage = GRALLOC1_PRODUCER_USAGE_NONE;
    124   gralloc1_consumer_usage_t consumer_usage = GRALLOC1_CONSUMER_USAGE_NONE;
    125   if (alloc_type & GRALLOC_USAGE_HW_FB) {
    126     consumer_usage = GRALLOC1_CONSUMER_USAGE_CLIENT_TARGET;
    127   }
    128 
    129   Perform_(gralloc_device_, GRALLOC_MODULE_PERFORM_GET_ATTRIBUTES, width, height, format,
    130            producer_usage, consumer_usage, aligned_width, aligned_height, &tile_enabled);
    131 }
    132 
    133 uint32_t HWCBufferAllocator::GetBufferSize(BufferInfo *buffer_info) {
    134   const BufferConfig &buffer_config = buffer_info->buffer_config;
    135   int alloc_flags = INT(GRALLOC_USAGE_PRIVATE_IOMMU_HEAP);
    136 
    137   int width = INT(buffer_config.width);
    138   int height = INT(buffer_config.height);
    139   int format;
    140 
    141   if (buffer_config.secure) {
    142     alloc_flags |= INT(GRALLOC_USAGE_PROTECTED);
    143   }
    144 
    145   if (!buffer_config.cache) {
    146     // Allocate uncached buffers
    147     alloc_flags |= GRALLOC_USAGE_PRIVATE_UNCACHED;
    148   }
    149 
    150   if (SetBufferInfo(buffer_config.format, &format, &alloc_flags) < 0) {
    151     return 0;
    152   }
    153 
    154   uint32_t aligned_width = 0, aligned_height = 0, buffer_size = 0;
    155   uint64_t producer_usage = GRALLOC1_PRODUCER_USAGE_NONE;
    156   uint64_t consumer_usage = GRALLOC1_CONSUMER_USAGE_NONE;
    157   // TODO(user): Currently both flags are treated similarly in gralloc
    158   producer_usage = UINT64(alloc_flags);
    159   consumer_usage = producer_usage;
    160   Perform_(gralloc_device_, GRALLOC1_MODULE_PERFORM_GET_BUFFER_SIZE_AND_DIMENSIONS, width, height,
    161            format, producer_usage, consumer_usage, &aligned_width, &aligned_height, &buffer_size);
    162   return buffer_size;
    163 }
    164 
    165 int HWCBufferAllocator::SetBufferInfo(LayerBufferFormat format, int *target, int *flags) {
    166   switch (format) {
    167     case kFormatRGBA8888:
    168       *target = HAL_PIXEL_FORMAT_RGBA_8888;
    169       break;
    170     case kFormatRGBX8888:
    171       *target = HAL_PIXEL_FORMAT_RGBX_8888;
    172       break;
    173     case kFormatRGB888:
    174       *target = HAL_PIXEL_FORMAT_RGB_888;
    175       break;
    176     case kFormatRGB565:
    177       *target = HAL_PIXEL_FORMAT_RGB_565;
    178       break;
    179     case kFormatBGR565:
    180       *target = HAL_PIXEL_FORMAT_BGR_565;
    181       break;
    182     case kFormatBGRA8888:
    183       *target = HAL_PIXEL_FORMAT_BGRA_8888;
    184       break;
    185     case kFormatYCrCb420PlanarStride16:
    186       *target = HAL_PIXEL_FORMAT_YV12;
    187       break;
    188     case kFormatYCrCb420SemiPlanar:
    189       *target = HAL_PIXEL_FORMAT_YCrCb_420_SP;
    190       break;
    191     case kFormatYCbCr420SemiPlanar:
    192       *target = HAL_PIXEL_FORMAT_YCbCr_420_SP;
    193       break;
    194     case kFormatYCbCr422H2V1Packed:
    195       *target = HAL_PIXEL_FORMAT_YCbCr_422_I;
    196       break;
    197     case kFormatYCbCr422H2V1SemiPlanar:
    198       *target = HAL_PIXEL_FORMAT_YCbCr_422_SP;
    199       break;
    200     case kFormatYCbCr420SemiPlanarVenus:
    201       *target = HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS;
    202       break;
    203     case kFormatYCrCb420SemiPlanarVenus:
    204       *target = HAL_PIXEL_FORMAT_YCrCb_420_SP_VENUS;
    205       break;
    206     case kFormatYCbCr420SPVenusUbwc:
    207       *target = HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS_UBWC;
    208       break;
    209     case kFormatRGBA5551:
    210       *target = HAL_PIXEL_FORMAT_RGBA_5551;
    211       break;
    212     case kFormatRGBA4444:
    213       *target = HAL_PIXEL_FORMAT_RGBA_4444;
    214       break;
    215     case kFormatRGBA1010102:
    216       *target = HAL_PIXEL_FORMAT_RGBA_1010102;
    217       break;
    218     case kFormatARGB2101010:
    219       *target = HAL_PIXEL_FORMAT_ARGB_2101010;
    220       break;
    221     case kFormatRGBX1010102:
    222       *target = HAL_PIXEL_FORMAT_RGBX_1010102;
    223       break;
    224     case kFormatXRGB2101010:
    225       *target = HAL_PIXEL_FORMAT_XRGB_2101010;
    226       break;
    227     case kFormatBGRA1010102:
    228       *target = HAL_PIXEL_FORMAT_BGRA_1010102;
    229       break;
    230     case kFormatABGR2101010:
    231       *target = HAL_PIXEL_FORMAT_ABGR_2101010;
    232       break;
    233     case kFormatBGRX1010102:
    234       *target = HAL_PIXEL_FORMAT_BGRX_1010102;
    235       break;
    236     case kFormatXBGR2101010:
    237       *target = HAL_PIXEL_FORMAT_XBGR_2101010;
    238       break;
    239     case kFormatYCbCr420P010:
    240       *target = HAL_PIXEL_FORMAT_YCbCr_420_P010;
    241       break;
    242     case kFormatYCbCr420TP10Ubwc:
    243       *target = HAL_PIXEL_FORMAT_YCbCr_420_TP10_UBWC;
    244       break;
    245     case kFormatRGBA8888Ubwc:
    246       *target = HAL_PIXEL_FORMAT_RGBA_8888;
    247       *flags |= GRALLOC_USAGE_PRIVATE_ALLOC_UBWC;
    248       break;
    249     case kFormatRGBX8888Ubwc:
    250       *target = HAL_PIXEL_FORMAT_RGBX_8888;
    251       *flags |= GRALLOC_USAGE_PRIVATE_ALLOC_UBWC;
    252       break;
    253     case kFormatBGR565Ubwc:
    254       *target = HAL_PIXEL_FORMAT_BGR_565;
    255       *flags |= GRALLOC_USAGE_PRIVATE_ALLOC_UBWC;
    256       break;
    257     case kFormatRGBA1010102Ubwc:
    258       *target = HAL_PIXEL_FORMAT_RGBA_1010102;
    259       *flags |= GRALLOC_USAGE_PRIVATE_ALLOC_UBWC;
    260       break;
    261     case kFormatRGBX1010102Ubwc:
    262       *target = HAL_PIXEL_FORMAT_RGBX_1010102;
    263       *flags |= GRALLOC_USAGE_PRIVATE_ALLOC_UBWC;
    264       break;
    265     default:
    266       DLOGE("Unsupported format = 0x%x", format);
    267       return -EINVAL;
    268   }
    269   return 0;
    270 }
    271 
    272 DisplayError HWCBufferAllocator::GetAllocatedBufferInfo(
    273     const BufferConfig &buffer_config, AllocatedBufferInfo *allocated_buffer_info) {
    274   // TODO(user): This API should pass the buffer_info of the already allocated buffer
    275   // The private_data can then be typecast to the private_handle and used directly.
    276   int alloc_flags = INT(GRALLOC_USAGE_PRIVATE_IOMMU_HEAP);
    277 
    278   int width = INT(buffer_config.width);
    279   int height = INT(buffer_config.height);
    280   int format;
    281 
    282   if (buffer_config.secure) {
    283     alloc_flags |= INT(GRALLOC_USAGE_PROTECTED);
    284   }
    285 
    286   if (!buffer_config.cache) {
    287     // Allocate uncached buffers
    288     alloc_flags |= GRALLOC_USAGE_PRIVATE_UNCACHED;
    289   }
    290 
    291   if (SetBufferInfo(buffer_config.format, &format, &alloc_flags) < 0) {
    292     return kErrorParameters;
    293   }
    294 
    295   uint32_t aligned_width = 0, aligned_height = 0, buffer_size = 0;
    296   uint64_t producer_usage = GRALLOC1_PRODUCER_USAGE_NONE;
    297   uint64_t consumer_usage = GRALLOC1_CONSUMER_USAGE_NONE;
    298   // TODO(user): Currently both flags are treated similarly in gralloc
    299   producer_usage = UINT64(alloc_flags);
    300   consumer_usage = producer_usage;
    301   Perform_(gralloc_device_, GRALLOC1_MODULE_PERFORM_GET_BUFFER_SIZE_AND_DIMENSIONS, width, height,
    302            format, producer_usage, consumer_usage, &aligned_width, &aligned_height, &buffer_size);
    303   allocated_buffer_info->stride = UINT32(aligned_width);
    304   allocated_buffer_info->size = UINT32(buffer_size);
    305 
    306   return kErrorNone;
    307 }
    308 
    309 }  // namespace sdm
    310