Home | History | Annotate | Download | only in libcopybit
      1 /*
      2  * Copyright (C) 2008 The Android Open Source Project
      3  * Copyright (c) 2010-2015, The Linux Foundation. All rights reserved.
      4  *
      5  * Not a Contribution, Apache license notifications and license are retained
      6  * for attribution purposes only.
      7  *
      8  * Licensed under the Apache License, Version 2.0 (the "License");
      9  * you may not use this file except in compliance with the License.
     10  * You may obtain a copy of the License at
     11  *
     12  *      http://www.apache.org/licenses/LICENSE-2.0
     13  *
     14  * Unless required by applicable law or agreed to in writing, software
     15  * distributed under the License is distributed on an "AS IS" BASIS,
     16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     17  * See the License for the specific language governing permissions and
     18  * limitations under the License.
     19  */
     20 
     21 #include <dlfcn.h>
     22 #include <errno.h>
     23 #include <fcntl.h>
     24 #include <linux/msm_kgsl.h>
     25 #include <stdint.h>
     26 #include <string.h>
     27 #include <sys/ioctl.h>
     28 #include <sys/mman.h>
     29 #include <sys/prctl.h>
     30 #include <sys/resource.h>
     31 #include <sys/types.h>
     32 #include <unistd.h>
     33 
     34 #include <cutils/native_handle.h>
     35 #include <log/log.h>
     36 
     37 #include <EGL/eglplatform.h>
     38 
     39 #include <copybit.h>
     40 #include <alloc_controller.h>
     41 #include <memalloc.h>
     42 
     43 #include "c2d2.h"
     44 #include "software_converter.h"
     45 
     46 using gralloc::IMemAlloc;
     47 using gralloc::IonController;
     48 using gralloc::alloc_data;
     49 
     50 C2D_STATUS (*LINK_c2dCreateSurface)( uint32 *surface_id,
     51                                      uint32 surface_bits,
     52                                      C2D_SURFACE_TYPE surface_type,
     53                                      void *surface_definition );
     54 
     55 C2D_STATUS (*LINK_c2dUpdateSurface)( uint32 surface_id,
     56                                      uint32 surface_bits,
     57                                      C2D_SURFACE_TYPE surface_type,
     58                                      void *surface_definition );
     59 
     60 C2D_STATUS (*LINK_c2dReadSurface)( uint32 surface_id,
     61                                    C2D_SURFACE_TYPE surface_type,
     62                                    void *surface_definition,
     63                                    int32 x, int32 y );
     64 
     65 C2D_STATUS (*LINK_c2dDraw)( uint32 target_id,
     66                             uint32 target_config, C2D_RECT *target_scissor,
     67                             uint32 target_mask_id, uint32 target_color_key,
     68                             C2D_OBJECT *objects_list, uint32 num_objects );
     69 
     70 C2D_STATUS (*LINK_c2dFinish)( uint32 target_id);
     71 
     72 C2D_STATUS (*LINK_c2dFlush)( uint32 target_id, c2d_ts_handle *timestamp);
     73 
     74 C2D_STATUS (*LINK_c2dWaitTimestamp)( c2d_ts_handle timestamp );
     75 
     76 C2D_STATUS (*LINK_c2dDestroySurface)( uint32 surface_id );
     77 
     78 C2D_STATUS (*LINK_c2dMapAddr) ( int mem_fd, void * hostptr, size_t len,
     79                                 size_t offset, uint32 flags, void ** gpuaddr);
     80 
     81 C2D_STATUS (*LINK_c2dUnMapAddr) ( void * gpuaddr);
     82 
     83 C2D_STATUS (*LINK_c2dGetDriverCapabilities) ( C2D_DRIVER_INFO * driver_info);
     84 
     85 /* create a fence fd for the timestamp */
     86 C2D_STATUS (*LINK_c2dCreateFenceFD) ( uint32 target_id, c2d_ts_handle timestamp,
     87                                                             int32 *fd);
     88 
     89 C2D_STATUS (*LINK_c2dFillSurface) ( uint32 surface_id, uint32 fill_color,
     90                                     C2D_RECT * fill_rect);
     91 
     92 /******************************************************************************/
     93 
     94 #if defined(COPYBIT_Z180)
     95 #define MAX_SCALE_FACTOR    (4096)
     96 #define MAX_DIMENSION       (4096)
     97 #else
     98 #error "Unsupported HW version"
     99 #endif
    100 
    101 // The following defines can be changed as required i.e. as we encounter
    102 // complex use cases.
    103 #define MAX_RGB_SURFACES 32       // Max. RGB layers currently supported per draw
    104 #define MAX_YUV_2_PLANE_SURFACES 4// Max. 2-plane YUV layers currently supported per draw
    105 #define MAX_YUV_3_PLANE_SURFACES 1// Max. 3-plane YUV layers currently supported per draw
    106 // +1 for the destination surface. We cannot have multiple destination surfaces.
    107 #define MAX_SURFACES (MAX_RGB_SURFACES + MAX_YUV_2_PLANE_SURFACES + MAX_YUV_3_PLANE_SURFACES + 1)
    108 #define NUM_SURFACE_TYPES 3      // RGB_SURFACE + YUV_SURFACE_2_PLANES + YUV_SURFACE_3_PLANES
    109 #define MAX_BLIT_OBJECT_COUNT 50 // Max. blit objects that can be passed per draw
    110 
    111 enum {
    112     RGB_SURFACE,
    113     YUV_SURFACE_2_PLANES,
    114     YUV_SURFACE_3_PLANES
    115 };
    116 
    117 enum eConversionType {
    118     CONVERT_TO_ANDROID_FORMAT,
    119     CONVERT_TO_C2D_FORMAT
    120 };
    121 
    122 enum eC2DFlags {
    123     FLAGS_PREMULTIPLIED_ALPHA  = 1<<0,
    124     FLAGS_YUV_DESTINATION      = 1<<1,
    125     FLAGS_TEMP_SRC_DST         = 1<<2,
    126     FLAGS_UBWC_FORMAT_MODE     = 1<<3
    127 };
    128 
    129 static gralloc::IAllocController* sAlloc = 0;
    130 /******************************************************************************/
    131 
    132 /** State information for each device instance */
    133 struct copybit_context_t {
    134     struct copybit_device_t device;
    135     // Templates for the various source surfaces. These templates are created
    136     // to avoid the expensive create/destroy C2D Surfaces
    137     C2D_OBJECT_STR blit_rgb_object[MAX_RGB_SURFACES];
    138     C2D_OBJECT_STR blit_yuv_2_plane_object[MAX_YUV_2_PLANE_SURFACES];
    139     C2D_OBJECT_STR blit_yuv_3_plane_object[MAX_YUV_3_PLANE_SURFACES];
    140     C2D_OBJECT_STR blit_list[MAX_BLIT_OBJECT_COUNT]; // Z-ordered list of blit objects
    141     C2D_DRIVER_INFO c2d_driver_info;
    142     void *libc2d2;
    143     alloc_data temp_src_buffer;
    144     alloc_data temp_dst_buffer;
    145     unsigned int dst[NUM_SURFACE_TYPES]; // dst surfaces
    146     uintptr_t mapped_gpu_addr[MAX_SURFACES]; // GPU addresses mapped inside copybit
    147     int blit_rgb_count;         // Total RGB surfaces being blit
    148     int blit_yuv_2_plane_count; // Total 2 plane YUV surfaces being
    149     int blit_yuv_3_plane_count; // Total 3 plane YUV  surfaces being blit
    150     int blit_count;             // Total blit objects.
    151     unsigned int trg_transform;      /* target transform */
    152     int fb_width;
    153     int fb_height;
    154     int src_global_alpha;
    155     int config_mask;
    156     int dst_surface_type;
    157     bool is_premultiplied_alpha;
    158     void* time_stamp;
    159     bool dst_surface_mapped; // Set when dst surface is mapped to GPU addr
    160     void* dst_surface_base; // Stores the dst surface addr
    161     bool is_src_ubwc_format;
    162     bool is_dst_ubwc_format;
    163 
    164     // used for signaling the wait thread
    165     bool wait_timestamp;
    166     pthread_t wait_thread_id;
    167     bool stop_thread;
    168     pthread_mutex_t wait_cleanup_lock;
    169     pthread_cond_t wait_cleanup_cond;
    170 
    171 };
    172 
    173 struct bufferInfo {
    174     int width;
    175     int height;
    176     int format;
    177 };
    178 
    179 struct yuvPlaneInfo {
    180     int yStride;       //luma stride
    181     int plane1_stride;
    182     int plane2_stride;
    183     size_t plane1_offset;
    184     size_t plane2_offset;
    185 };
    186 
    187 /**
    188  * Common hardware methods
    189  */
    190 
    191 static int open_copybit(const struct hw_module_t* module, const char* name,
    192                         struct hw_device_t** device);
    193 
    194 static struct hw_module_methods_t copybit_module_methods = {
    195     .open = open_copybit,
    196 };
    197 
    198 /*
    199  * The COPYBIT Module
    200  */
    201 struct copybit_module_t HAL_MODULE_INFO_SYM = {
    202     .common = {
    203         .tag =  HARDWARE_MODULE_TAG,
    204         .version_major = 1,
    205         .version_minor = 0,
    206         .id = COPYBIT_HARDWARE_MODULE_ID,
    207         .name = "QCT COPYBIT C2D 2.0 Module",
    208         .author = "Qualcomm",
    209         .methods =  &copybit_module_methods
    210     }
    211 };
    212 
    213 
    214 /* thread function which waits on the timeStamp and cleans up the surfaces */
    215 static void* c2d_wait_loop(void* ptr) {
    216     copybit_context_t* ctx = (copybit_context_t*)(ptr);
    217     char thread_name[64] = "copybitWaitThr";
    218     prctl(PR_SET_NAME, (unsigned long) &thread_name, 0, 0, 0);
    219     setpriority(PRIO_PROCESS, 0, HAL_PRIORITY_URGENT_DISPLAY);
    220 
    221     while(ctx->stop_thread == false) {
    222         pthread_mutex_lock(&ctx->wait_cleanup_lock);
    223         while(ctx->wait_timestamp == false && !ctx->stop_thread) {
    224             pthread_cond_wait(&(ctx->wait_cleanup_cond),
    225                               &(ctx->wait_cleanup_lock));
    226         }
    227         if(ctx->wait_timestamp) {
    228             if(LINK_c2dWaitTimestamp(ctx->time_stamp)) {
    229                 ALOGE("%s: LINK_c2dWaitTimeStamp ERROR!!", __FUNCTION__);
    230             }
    231             ctx->wait_timestamp = false;
    232             // Unmap any mapped addresses.
    233             for (int i = 0; i < MAX_SURFACES; i++) {
    234                 if (ctx->mapped_gpu_addr[i]) {
    235                     LINK_c2dUnMapAddr( (void*)ctx->mapped_gpu_addr[i]);
    236                     ctx->mapped_gpu_addr[i] = 0;
    237                 }
    238             }
    239             // Reset the counts after the draw.
    240             ctx->blit_rgb_count = 0;
    241             ctx->blit_yuv_2_plane_count = 0;
    242             ctx->blit_yuv_3_plane_count = 0;
    243             ctx->blit_count = 0;
    244             ctx->dst_surface_mapped = false;
    245             ctx->dst_surface_base = 0;
    246         }
    247         pthread_mutex_unlock(&ctx->wait_cleanup_lock);
    248         if(ctx->stop_thread)
    249             break;
    250     }
    251     pthread_exit(NULL);
    252     return NULL;
    253 }
    254 
    255 
    256 /* convert COPYBIT_FORMAT to C2D format */
    257 static int get_format(int format) {
    258     switch (format) {
    259         case HAL_PIXEL_FORMAT_RGB_565:        return C2D_COLOR_FORMAT_565_RGB;
    260         case HAL_PIXEL_FORMAT_RGB_888:        return C2D_COLOR_FORMAT_888_RGB |
    261                                               C2D_FORMAT_SWAP_RB;
    262         case HAL_PIXEL_FORMAT_RGBX_8888:      return C2D_COLOR_FORMAT_8888_ARGB |
    263                                               C2D_FORMAT_SWAP_RB |
    264                                                   C2D_FORMAT_DISABLE_ALPHA;
    265         case HAL_PIXEL_FORMAT_RGBA_8888:      return C2D_COLOR_FORMAT_8888_ARGB |
    266                                               C2D_FORMAT_SWAP_RB;
    267         case HAL_PIXEL_FORMAT_BGRA_8888:      return C2D_COLOR_FORMAT_8888_ARGB;
    268         case HAL_PIXEL_FORMAT_RGBA_5551:      return C2D_COLOR_FORMAT_5551_RGBA;
    269         case HAL_PIXEL_FORMAT_RGBA_4444:      return C2D_COLOR_FORMAT_4444_RGBA;
    270         case HAL_PIXEL_FORMAT_YCbCr_420_SP:   return C2D_COLOR_FORMAT_420_NV12;
    271         case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:return C2D_COLOR_FORMAT_420_NV12;
    272         case HAL_PIXEL_FORMAT_YCrCb_420_SP:   return C2D_COLOR_FORMAT_420_NV21;
    273         case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: return C2D_COLOR_FORMAT_420_NV12 |
    274                                                   C2D_FORMAT_MACROTILED;
    275         default:                              ALOGE("%s: invalid format (0x%x",
    276                                                      __FUNCTION__, format);
    277                                               return -EINVAL;
    278     }
    279     return -EINVAL;
    280 }
    281 
    282 /* Get the C2D formats needed for conversion to YUV */
    283 static int get_c2d_format_for_yuv_destination(int halFormat) {
    284     switch (halFormat) {
    285         // We do not swap the RB when the target is YUV
    286         case HAL_PIXEL_FORMAT_RGBX_8888:      return C2D_COLOR_FORMAT_8888_ARGB |
    287                                               C2D_FORMAT_DISABLE_ALPHA;
    288         case HAL_PIXEL_FORMAT_RGBA_8888:      return C2D_COLOR_FORMAT_8888_ARGB;
    289         // The U and V need to be interchanged when the target is YUV
    290         case HAL_PIXEL_FORMAT_YCbCr_420_SP:   return C2D_COLOR_FORMAT_420_NV21;
    291         case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:return C2D_COLOR_FORMAT_420_NV21;
    292         case HAL_PIXEL_FORMAT_YCrCb_420_SP:   return C2D_COLOR_FORMAT_420_NV12;
    293         default:                              return get_format(halFormat);
    294     }
    295     return -EINVAL;
    296 }
    297 
    298 /* ------------------------------------------------------------------- *//*!
    299  * \internal
    300  * \brief Get the bpp for a particular color format
    301  * \param color format
    302  * \return bits per pixel
    303  *//* ------------------------------------------------------------------- */
    304 int c2diGetBpp(int32 colorformat)
    305 {
    306 
    307     int c2dBpp = 0;
    308 
    309     switch(colorformat&0xFF)
    310     {
    311         case C2D_COLOR_FORMAT_4444_RGBA:
    312         case C2D_COLOR_FORMAT_4444_ARGB:
    313         case C2D_COLOR_FORMAT_1555_ARGB:
    314         case C2D_COLOR_FORMAT_565_RGB:
    315         case C2D_COLOR_FORMAT_5551_RGBA:
    316             c2dBpp = 16;
    317             break;
    318         case C2D_COLOR_FORMAT_8888_RGBA:
    319         case C2D_COLOR_FORMAT_8888_ARGB:
    320             c2dBpp = 32;
    321             break;
    322         case C2D_COLOR_FORMAT_888_RGB:
    323             c2dBpp = 24;
    324             break;
    325         case C2D_COLOR_FORMAT_8_L:
    326         case C2D_COLOR_FORMAT_8_A:
    327             c2dBpp = 8;
    328             break;
    329         case C2D_COLOR_FORMAT_4_A:
    330             c2dBpp = 4;
    331             break;
    332         case C2D_COLOR_FORMAT_1:
    333             c2dBpp = 1;
    334             break;
    335         default:
    336             ALOGE("%s ERROR", __func__);
    337             break;
    338     }
    339     return c2dBpp;
    340 }
    341 
    342 static size_t c2d_get_gpuaddr(copybit_context_t* ctx,
    343                               struct private_handle_t *handle, int &mapped_idx)
    344 {
    345     uint32 memtype;
    346     size_t *gpuaddr = 0;
    347     C2D_STATUS rc;
    348     int freeindex = 0;
    349     bool mapaddr = false;
    350 
    351     if(!handle)
    352         return 0;
    353 
    354     if (handle->flags & private_handle_t::PRIV_FLAGS_USES_ION)
    355         memtype = KGSL_USER_MEM_TYPE_ION;
    356     else {
    357         ALOGE("Invalid handle flags: 0x%x", handle->flags);
    358         return 0;
    359     }
    360 
    361     // Check for a freeindex in the mapped_gpu_addr list
    362     for (freeindex = 0; freeindex < MAX_SURFACES; freeindex++) {
    363         if (ctx->mapped_gpu_addr[freeindex] == 0) {
    364             // free index is available
    365             // map GPU addr and use this as mapped_idx
    366             mapaddr = true;
    367             break;
    368         }
    369     }
    370 
    371     if(mapaddr) {
    372         rc = LINK_c2dMapAddr(handle->fd, (void*)handle->base, handle->size,
    373                              handle->offset, memtype, (void**)&gpuaddr);
    374 
    375         if (rc == C2D_STATUS_OK) {
    376             // We have mapped the GPU address inside copybit. We need to unmap
    377             // this address after the blit. Store this address
    378             ctx->mapped_gpu_addr[freeindex] = (size_t)gpuaddr;
    379             mapped_idx = freeindex;
    380         }
    381     }
    382     return (size_t)gpuaddr;
    383 }
    384 
    385 static void unmap_gpuaddr(copybit_context_t* ctx, int mapped_idx)
    386 {
    387     if (!ctx || (mapped_idx == -1))
    388         return;
    389 
    390     if (ctx->mapped_gpu_addr[mapped_idx]) {
    391         LINK_c2dUnMapAddr( (void*)ctx->mapped_gpu_addr[mapped_idx]);
    392         ctx->mapped_gpu_addr[mapped_idx] = 0;
    393     }
    394 }
    395 
    396 static int is_supported_rgb_format(int format)
    397 {
    398     switch(format) {
    399         case HAL_PIXEL_FORMAT_RGBA_8888:
    400         case HAL_PIXEL_FORMAT_RGBX_8888:
    401         case HAL_PIXEL_FORMAT_RGB_888:
    402         case HAL_PIXEL_FORMAT_RGB_565:
    403         case HAL_PIXEL_FORMAT_BGRA_8888:
    404         case HAL_PIXEL_FORMAT_RGBA_5551:
    405         case HAL_PIXEL_FORMAT_RGBA_4444: {
    406             return COPYBIT_SUCCESS;
    407         }
    408         default:
    409             return COPYBIT_FAILURE;
    410     }
    411 }
    412 
    413 static int get_num_planes(int format)
    414 {
    415     switch(format) {
    416         case HAL_PIXEL_FORMAT_YCbCr_420_SP:
    417         case HAL_PIXEL_FORMAT_YCrCb_420_SP:
    418         case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
    419         case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: {
    420             return 2;
    421         }
    422         case HAL_PIXEL_FORMAT_YV12: {
    423             return 3;
    424         }
    425         default:
    426             return COPYBIT_FAILURE;
    427     }
    428 }
    429 
    430 static int is_supported_yuv_format(int format)
    431 {
    432     switch(format) {
    433         case HAL_PIXEL_FORMAT_YCbCr_420_SP:
    434         case HAL_PIXEL_FORMAT_YCrCb_420_SP:
    435         case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
    436         case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: {
    437             return COPYBIT_SUCCESS;
    438         }
    439         default:
    440             return COPYBIT_FAILURE;
    441     }
    442 }
    443 
    444 static int is_valid_destination_format(int format)
    445 {
    446     if (format == HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED) {
    447         // C2D does not support NV12Tile as a destination format.
    448         return COPYBIT_FAILURE;
    449     }
    450     return COPYBIT_SUCCESS;
    451 }
    452 
    453 static int calculate_yuv_offset_and_stride(const bufferInfo& info,
    454                                            yuvPlaneInfo& yuvInfo)
    455 {
    456     int width  = info.width;
    457     int height = info.height;
    458     int format = info.format;
    459 
    460     int aligned_height = 0;
    461     int aligned_width = 0, size = 0;
    462 
    463     switch (format) {
    464         case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: {
    465             /* NV12 Tile buffers have their luma height aligned to 32bytes and width
    466              * aligned to 128 bytes. The chroma offset starts at an 8K boundary
    467              */
    468             aligned_height = ALIGN(height, 32);
    469             aligned_width  = ALIGN(width, 128);
    470             size = aligned_width * aligned_height;
    471             yuvInfo.plane1_offset = ALIGN(size,8192);
    472             yuvInfo.yStride = aligned_width;
    473             yuvInfo.plane1_stride = aligned_width;
    474             break;
    475         }
    476         case HAL_PIXEL_FORMAT_YCbCr_420_SP:
    477         case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
    478         case HAL_PIXEL_FORMAT_YCrCb_420_SP: {
    479             aligned_width = ALIGN(width, 32);
    480             yuvInfo.yStride = aligned_width;
    481             yuvInfo.plane1_stride = aligned_width;
    482             if (HAL_PIXEL_FORMAT_NV12_ENCODEABLE == format) {
    483                 // The encoder requires a 2K aligned chroma offset
    484                 yuvInfo.plane1_offset = ALIGN(aligned_width * height, 2048);
    485             } else
    486                 yuvInfo.plane1_offset = aligned_width * height;
    487 
    488             break;
    489         }
    490         default: {
    491             return COPYBIT_FAILURE;
    492         }
    493     }
    494     return COPYBIT_SUCCESS;
    495 }
    496 
    497 /** create C2D surface from copybit image */
    498 static int set_image(copybit_context_t* ctx, uint32 surfaceId,
    499                       const struct copybit_image_t *rhs,
    500                       const eC2DFlags flags, int &mapped_idx)
    501 {
    502     struct private_handle_t* handle = (struct private_handle_t*)rhs->handle;
    503     C2D_SURFACE_TYPE surfaceType;
    504     int status = COPYBIT_SUCCESS;
    505     uint64_t gpuaddr = 0;
    506     int c2d_format;
    507     mapped_idx = -1;
    508 
    509     if (flags & FLAGS_YUV_DESTINATION) {
    510         c2d_format = get_c2d_format_for_yuv_destination(rhs->format);
    511     } else {
    512         c2d_format = get_format(rhs->format);
    513     }
    514 
    515     if(c2d_format == -EINVAL) {
    516         ALOGE("%s: invalid format", __FUNCTION__);
    517         return -EINVAL;
    518     }
    519 
    520     if(handle == NULL) {
    521         ALOGE("%s: invalid handle", __func__);
    522         return -EINVAL;
    523     }
    524 
    525     if (handle->gpuaddr == 0) {
    526         gpuaddr = c2d_get_gpuaddr(ctx, handle, mapped_idx);
    527         if(!gpuaddr) {
    528             ALOGE("%s: c2d_get_gpuaddr failed", __FUNCTION__);
    529             return COPYBIT_FAILURE;
    530         }
    531     } else {
    532         gpuaddr = handle->gpuaddr;
    533     }
    534 
    535     /* create C2D surface */
    536     if(is_supported_rgb_format(rhs->format) == COPYBIT_SUCCESS) {
    537         /* RGB */
    538         C2D_RGB_SURFACE_DEF surfaceDef;
    539 
    540         surfaceType = (C2D_SURFACE_TYPE) (C2D_SURFACE_RGB_HOST | C2D_SURFACE_WITH_PHYS);
    541 
    542         surfaceDef.phys = (void*) gpuaddr;
    543         surfaceDef.buffer = (void*) (handle->base);
    544 
    545         surfaceDef.format = c2d_format |
    546             ((flags & FLAGS_PREMULTIPLIED_ALPHA) ? C2D_FORMAT_PREMULTIPLIED : 0);
    547 
    548         surfaceDef.format = surfaceDef.format |
    549             ((flags & FLAGS_UBWC_FORMAT_MODE) ? C2D_FORMAT_UBWC_COMPRESSED : 0);
    550 
    551         surfaceDef.width = rhs->w;
    552         surfaceDef.height = rhs->h;
    553         int aligned_width = ALIGN((int)surfaceDef.width,32);
    554         surfaceDef.stride = (aligned_width * c2diGetBpp(surfaceDef.format))>>3;
    555 
    556         if(LINK_c2dUpdateSurface( surfaceId,C2D_TARGET | C2D_SOURCE, surfaceType,
    557                                   &surfaceDef)) {
    558             ALOGE("%s: RGB Surface c2dUpdateSurface ERROR", __FUNCTION__);
    559             unmap_gpuaddr(ctx, mapped_idx);
    560             status = COPYBIT_FAILURE;
    561         }
    562     } else if (is_supported_yuv_format(rhs->format) == COPYBIT_SUCCESS) {
    563         C2D_YUV_SURFACE_DEF surfaceDef;
    564         memset(&surfaceDef, 0, sizeof(surfaceDef));
    565         surfaceType = (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST | C2D_SURFACE_WITH_PHYS);
    566         surfaceDef.format = c2d_format;
    567 
    568         bufferInfo info;
    569         info.width = rhs->w;
    570         info.height = rhs->h;
    571         info.format = rhs->format;
    572 
    573         yuvPlaneInfo yuvInfo = {0};
    574         status = calculate_yuv_offset_and_stride(info, yuvInfo);
    575         if(status != COPYBIT_SUCCESS) {
    576             ALOGE("%s: calculate_yuv_offset_and_stride error", __FUNCTION__);
    577             unmap_gpuaddr(ctx, mapped_idx);
    578         }
    579 
    580         surfaceDef.width = rhs->w;
    581         surfaceDef.height = rhs->h;
    582         surfaceDef.plane0 = (void*) (handle->base);
    583         surfaceDef.phys0 = (void*) (gpuaddr);
    584         surfaceDef.stride0 = yuvInfo.yStride;
    585 
    586         surfaceDef.plane1 = (void*) (handle->base + yuvInfo.plane1_offset);
    587         surfaceDef.phys1 = (void*) (gpuaddr + yuvInfo.plane1_offset);
    588         surfaceDef.stride1 = yuvInfo.plane1_stride;
    589         if (3 == get_num_planes(rhs->format)) {
    590             surfaceDef.plane2 = (void*) (handle->base + yuvInfo.plane2_offset);
    591             surfaceDef.phys2 = (void*) (gpuaddr + yuvInfo.plane2_offset);
    592             surfaceDef.stride2 = yuvInfo.plane2_stride;
    593         }
    594 
    595         if(LINK_c2dUpdateSurface( surfaceId,C2D_TARGET | C2D_SOURCE, surfaceType,
    596                                   &surfaceDef)) {
    597             ALOGE("%s: YUV Surface c2dUpdateSurface ERROR", __FUNCTION__);
    598             unmap_gpuaddr(ctx, mapped_idx);
    599             status = COPYBIT_FAILURE;
    600         }
    601     } else {
    602         ALOGE("%s: invalid format 0x%x", __FUNCTION__, rhs->format);
    603         unmap_gpuaddr(ctx, mapped_idx);
    604         status = COPYBIT_FAILURE;
    605     }
    606 
    607     return status;
    608 }
    609 
    610 /** copy the bits */
    611 static int msm_copybit(struct copybit_context_t *ctx, unsigned int target)
    612 {
    613     if (ctx->blit_count == 0) {
    614         return COPYBIT_SUCCESS;
    615     }
    616 
    617     for (int i = 0; i < ctx->blit_count; i++)
    618     {
    619         ctx->blit_list[i].next = &(ctx->blit_list[i+1]);
    620     }
    621     ctx->blit_list[ctx->blit_count-1].next = NULL;
    622     uint32_t target_transform = ctx->trg_transform;
    623     if (ctx->c2d_driver_info.capabilities_mask &
    624         C2D_DRIVER_SUPPORTS_OVERRIDE_TARGET_ROTATE_OP) {
    625         // For A3xx - set 0x0 as the transform is set in the config_mask
    626         target_transform = 0x0;
    627     }
    628     if(LINK_c2dDraw(target, target_transform, 0x0, 0, 0, ctx->blit_list,
    629                     ctx->blit_count)) {
    630         ALOGE("%s: LINK_c2dDraw ERROR", __FUNCTION__);
    631         return COPYBIT_FAILURE;
    632     }
    633     return COPYBIT_SUCCESS;
    634 }
    635 
    636 
    637 
    638 static int flush_get_fence_copybit (struct copybit_device_t *dev, int* fd)
    639 {
    640     struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
    641     int status = COPYBIT_FAILURE;
    642     if (!ctx)
    643         return COPYBIT_FAILURE;
    644     pthread_mutex_lock(&ctx->wait_cleanup_lock);
    645     status = msm_copybit(ctx, ctx->dst[ctx->dst_surface_type]);
    646 
    647     if(LINK_c2dFlush(ctx->dst[ctx->dst_surface_type], &ctx->time_stamp)) {
    648         ALOGE("%s: LINK_c2dFlush ERROR", __FUNCTION__);
    649         // unlock the mutex and return failure
    650         pthread_mutex_unlock(&ctx->wait_cleanup_lock);
    651         return COPYBIT_FAILURE;
    652     }
    653     if(LINK_c2dCreateFenceFD(ctx->dst[ctx->dst_surface_type], ctx->time_stamp,
    654                                                                         fd)) {
    655         ALOGE("%s: LINK_c2dCreateFenceFD ERROR", __FUNCTION__);
    656         status = COPYBIT_FAILURE;
    657     }
    658     if(status == COPYBIT_SUCCESS) {
    659         //signal the wait_thread
    660         ctx->wait_timestamp = true;
    661         pthread_cond_signal(&ctx->wait_cleanup_cond);
    662     }
    663     pthread_mutex_unlock(&ctx->wait_cleanup_lock);
    664     return status;
    665 }
    666 
    667 static int finish_copybit(struct copybit_device_t *dev)
    668 {
    669     struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
    670     if (!ctx)
    671         return COPYBIT_FAILURE;
    672 
    673    int status = msm_copybit(ctx, ctx->dst[ctx->dst_surface_type]);
    674 
    675    if(LINK_c2dFinish(ctx->dst[ctx->dst_surface_type])) {
    676         ALOGE("%s: LINK_c2dFinish ERROR", __FUNCTION__);
    677         return COPYBIT_FAILURE;
    678     }
    679 
    680     // Unmap any mapped addresses.
    681     for (int i = 0; i < MAX_SURFACES; i++) {
    682         if (ctx->mapped_gpu_addr[i]) {
    683             LINK_c2dUnMapAddr( (void*)ctx->mapped_gpu_addr[i]);
    684             ctx->mapped_gpu_addr[i] = 0;
    685         }
    686     }
    687 
    688     // Reset the counts after the draw.
    689     ctx->blit_rgb_count = 0;
    690     ctx->blit_yuv_2_plane_count = 0;
    691     ctx->blit_yuv_3_plane_count = 0;
    692     ctx->blit_count = 0;
    693     ctx->dst_surface_mapped = false;
    694     ctx->dst_surface_base = 0;
    695 
    696     return status;
    697 }
    698 
    699 static int clear_copybit(struct copybit_device_t *dev,
    700                          struct copybit_image_t const *buf,
    701                          struct copybit_rect_t *rect)
    702 {
    703     int ret = COPYBIT_SUCCESS;
    704     int flags = FLAGS_PREMULTIPLIED_ALPHA;
    705     int mapped_dst_idx = -1;
    706     struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
    707     if (ctx->is_dst_ubwc_format)
    708         flags |= FLAGS_UBWC_FORMAT_MODE;
    709     C2D_RECT c2drect = {rect->l, rect->t, rect->r - rect->l, rect->b - rect->t};
    710     pthread_mutex_lock(&ctx->wait_cleanup_lock);
    711     if(!ctx->dst_surface_mapped) {
    712         ret = set_image(ctx, ctx->dst[RGB_SURFACE], buf,
    713                         (eC2DFlags)flags, mapped_dst_idx);
    714         if(ret) {
    715             ALOGE("%s: set_image error", __FUNCTION__);
    716             unmap_gpuaddr(ctx, mapped_dst_idx);
    717             pthread_mutex_unlock(&ctx->wait_cleanup_lock);
    718             return COPYBIT_FAILURE;
    719         }
    720         //clear_copybit is the first call made by HWC for each composition
    721         //with the dest surface, hence set dst_surface_mapped.
    722         ctx->dst_surface_mapped = true;
    723         ctx->dst_surface_base = buf->base;
    724         ret = LINK_c2dFillSurface(ctx->dst[RGB_SURFACE], 0x0, &c2drect);
    725     }
    726     pthread_mutex_unlock(&ctx->wait_cleanup_lock);
    727     return ret;
    728 }
    729 
    730 
    731 /** setup rectangles */
    732 static void set_rects(struct copybit_context_t *ctx,
    733                       C2D_OBJECT *c2dObject,
    734                       const struct copybit_rect_t *dst,
    735                       const struct copybit_rect_t *src,
    736                       const struct copybit_rect_t *scissor)
    737 {
    738     // Set the target rect.
    739     if((ctx->trg_transform & C2D_TARGET_ROTATE_90) &&
    740        (ctx->trg_transform & C2D_TARGET_ROTATE_180)) {
    741         /* target rotation is 270 */
    742         c2dObject->target_rect.x        = (dst->t)<<16;
    743         c2dObject->target_rect.y        = ctx->fb_width?
    744                 (ALIGN(ctx->fb_width,32)- dst->r):dst->r;
    745         c2dObject->target_rect.y        = c2dObject->target_rect.y<<16;
    746         c2dObject->target_rect.height   = ((dst->r) - (dst->l))<<16;
    747         c2dObject->target_rect.width    = ((dst->b) - (dst->t))<<16;
    748     } else if(ctx->trg_transform & C2D_TARGET_ROTATE_90) {
    749         c2dObject->target_rect.x        = ctx->fb_height?(ctx->fb_height - dst->b):dst->b;
    750         c2dObject->target_rect.x        = c2dObject->target_rect.x<<16;
    751         c2dObject->target_rect.y        = (dst->l)<<16;
    752         c2dObject->target_rect.height   = ((dst->r) - (dst->l))<<16;
    753         c2dObject->target_rect.width    = ((dst->b) - (dst->t))<<16;
    754     } else if(ctx->trg_transform & C2D_TARGET_ROTATE_180) {
    755         c2dObject->target_rect.y        = ctx->fb_height?(ctx->fb_height - dst->b):dst->b;
    756         c2dObject->target_rect.y        = c2dObject->target_rect.y<<16;
    757         c2dObject->target_rect.x        = ctx->fb_width?
    758                 (ALIGN(ctx->fb_width,32) - dst->r):dst->r;
    759         c2dObject->target_rect.x        = c2dObject->target_rect.x<<16;
    760         c2dObject->target_rect.height   = ((dst->b) - (dst->t))<<16;
    761         c2dObject->target_rect.width    = ((dst->r) - (dst->l))<<16;
    762     } else {
    763         c2dObject->target_rect.x        = (dst->l)<<16;
    764         c2dObject->target_rect.y        = (dst->t)<<16;
    765         c2dObject->target_rect.height   = ((dst->b) - (dst->t))<<16;
    766         c2dObject->target_rect.width    = ((dst->r) - (dst->l))<<16;
    767     }
    768     c2dObject->config_mask |= C2D_TARGET_RECT_BIT;
    769 
    770     // Set the source rect
    771     c2dObject->source_rect.x        = (src->l)<<16;
    772     c2dObject->source_rect.y        = (src->t)<<16;
    773     c2dObject->source_rect.height   = ((src->b) - (src->t))<<16;
    774     c2dObject->source_rect.width    = ((src->r) - (src->l))<<16;
    775     c2dObject->config_mask |= C2D_SOURCE_RECT_BIT;
    776 
    777     // Set the scissor rect
    778     c2dObject->scissor_rect.x       = scissor->l;
    779     c2dObject->scissor_rect.y       = scissor->t;
    780     c2dObject->scissor_rect.height  = (scissor->b) - (scissor->t);
    781     c2dObject->scissor_rect.width   = (scissor->r) - (scissor->l);
    782     c2dObject->config_mask |= C2D_SCISSOR_RECT_BIT;
    783 }
    784 
    785 /*****************************************************************************/
    786 
    787 /** Set a parameter to value */
    788 static int set_parameter_copybit(
    789     struct copybit_device_t *dev,
    790     int name,
    791     int value)
    792 {
    793     struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
    794     int status = COPYBIT_SUCCESS;
    795     if (!ctx) {
    796         ALOGE("%s: null context", __FUNCTION__);
    797         return -EINVAL;
    798     }
    799 
    800     pthread_mutex_lock(&ctx->wait_cleanup_lock);
    801     switch(name) {
    802         case COPYBIT_PLANE_ALPHA:
    803         {
    804             if (value < 0)      value = 0;
    805             if (value >= 256)   value = 255;
    806 
    807             ctx->src_global_alpha = value;
    808             if (value < 255)
    809                 ctx->config_mask |= C2D_GLOBAL_ALPHA_BIT;
    810             else
    811                 ctx->config_mask &= ~C2D_GLOBAL_ALPHA_BIT;
    812         }
    813         break;
    814         case COPYBIT_BLEND_MODE:
    815         {
    816             if (value == COPYBIT_BLENDING_NONE) {
    817                 ctx->config_mask |= C2D_ALPHA_BLEND_NONE;
    818                 ctx->is_premultiplied_alpha = true;
    819             } else if (value == COPYBIT_BLENDING_PREMULT) {
    820                 ctx->is_premultiplied_alpha = true;
    821             } else {
    822                 ctx->config_mask &= ~C2D_ALPHA_BLEND_NONE;
    823             }
    824         }
    825         break;
    826         case COPYBIT_TRANSFORM:
    827         {
    828             unsigned int transform = 0;
    829             uint32 config_mask = 0;
    830             config_mask |= C2D_OVERRIDE_GLOBAL_TARGET_ROTATE_CONFIG;
    831             if((value & 0x7) == COPYBIT_TRANSFORM_ROT_180) {
    832                 transform = C2D_TARGET_ROTATE_180;
    833                 config_mask |= C2D_OVERRIDE_TARGET_ROTATE_180;
    834             } else if((value & 0x7) == COPYBIT_TRANSFORM_ROT_270) {
    835                 transform = C2D_TARGET_ROTATE_90;
    836                 config_mask |= C2D_OVERRIDE_TARGET_ROTATE_90;
    837             } else if(value == COPYBIT_TRANSFORM_ROT_90) {
    838                 transform = C2D_TARGET_ROTATE_270;
    839                 config_mask |= C2D_OVERRIDE_TARGET_ROTATE_270;
    840             } else {
    841                 config_mask |= C2D_OVERRIDE_TARGET_ROTATE_0;
    842                 if(value & COPYBIT_TRANSFORM_FLIP_H) {
    843                     config_mask |= C2D_MIRROR_H_BIT;
    844                 } else if(value & COPYBIT_TRANSFORM_FLIP_V) {
    845                     config_mask |= C2D_MIRROR_V_BIT;
    846                 }
    847             }
    848 
    849             if (ctx->c2d_driver_info.capabilities_mask &
    850                 C2D_DRIVER_SUPPORTS_OVERRIDE_TARGET_ROTATE_OP) {
    851                 ctx->config_mask |= config_mask;
    852             } else {
    853                 // The transform for this surface does not match the current
    854                 // target transform. Draw all previous surfaces. This will be
    855                 // changed once we have a new mechanism to send different
    856                 // target rotations to c2d.
    857                 finish_copybit(dev);
    858             }
    859             ctx->trg_transform = transform;
    860         }
    861         break;
    862         case COPYBIT_FRAMEBUFFER_WIDTH:
    863             ctx->fb_width = value;
    864             break;
    865         case COPYBIT_FRAMEBUFFER_HEIGHT:
    866             ctx->fb_height = value;
    867             break;
    868         case COPYBIT_ROTATION_DEG:
    869         case COPYBIT_DITHER:
    870         case COPYBIT_BLUR:
    871         case COPYBIT_BLIT_TO_FRAMEBUFFER:
    872             // Do nothing
    873             break;
    874         case COPYBIT_SRC_FORMAT_MODE:
    875             ctx->is_src_ubwc_format = (value == COPYBIT_UBWC_COMPRESSED);
    876             break;
    877         case COPYBIT_DST_FORMAT_MODE:
    878             ctx->is_dst_ubwc_format = (value == COPYBIT_UBWC_COMPRESSED);
    879             break;
    880         default:
    881             ALOGE("%s: default case param=0x%x", __FUNCTION__, name);
    882             status = -EINVAL;
    883             break;
    884     }
    885     pthread_mutex_unlock(&ctx->wait_cleanup_lock);
    886     return status;
    887 }
    888 
    889 /** Get a static info value */
    890 static int get(struct copybit_device_t *dev, int name)
    891 {
    892     struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
    893     int value;
    894 
    895     if (!ctx) {
    896         ALOGE("%s: null context error", __FUNCTION__);
    897         return -EINVAL;
    898     }
    899 
    900     switch(name) {
    901         case COPYBIT_MINIFICATION_LIMIT:
    902             value = MAX_SCALE_FACTOR;
    903             break;
    904         case COPYBIT_MAGNIFICATION_LIMIT:
    905             value = MAX_SCALE_FACTOR;
    906             break;
    907         case COPYBIT_SCALING_FRAC_BITS:
    908             value = 32;
    909             break;
    910         case COPYBIT_ROTATION_STEP_DEG:
    911             value = 1;
    912             break;
    913         case COPYBIT_UBWC_SUPPORT:
    914             value = 0;
    915             if (ctx->c2d_driver_info.capabilities_mask & C2D_DRIVER_SUPPORTS_UBWC_COMPRESSED_OP) {
    916                 value = 1;
    917             }
    918             break;
    919         default:
    920             ALOGE("%s: default case param=0x%x", __FUNCTION__, name);
    921             value = -EINVAL;
    922     }
    923     return value;
    924 }
    925 
    926 /* Function to check if we need a temporary buffer for the blit.
    927  * This would happen if the requested destination stride and the
    928  * C2D stride do not match. We ignore RGB buffers, since their
    929  * stride is always aligned to 32.
    930  */
    931 static bool need_temp_buffer(struct copybit_image_t const *img)
    932 {
    933     if (COPYBIT_SUCCESS == is_supported_rgb_format(img->format))
    934         return false;
    935 
    936     struct private_handle_t* handle = (struct private_handle_t*)img->handle;
    937 
    938     // The width parameter in the handle contains the aligned_w. We check if we
    939     // need to convert based on this param. YUV formats have bpp=1, so checking
    940     // if the requested stride is aligned should suffice.
    941     if (0 == (handle->width)%32) {
    942         return false;
    943     }
    944 
    945     return true;
    946 }
    947 
    948 /* Function to extract the information from the copybit image and set the corresponding
    949  * values in the bufferInfo struct.
    950  */
    951 static void populate_buffer_info(struct copybit_image_t const *img, bufferInfo& info)
    952 {
    953     info.width = img->w;
    954     info.height = img->h;
    955     info.format = img->format;
    956 }
    957 
    958 /* Function to get the required size for a particular format, inorder for C2D to perform
    959  * the blit operation.
    960  */
    961 static int get_size(const bufferInfo& info)
    962 {
    963     int size = 0;
    964     int w = info.width;
    965     int h = info.height;
    966     int aligned_w = ALIGN(w, 32);
    967     switch(info.format) {
    968         case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
    969             {
    970                 // Chroma for this format is aligned to 2K.
    971                 size = ALIGN((aligned_w*h), 2048) +
    972                         ALIGN(aligned_w/2, 32) * (h/2) *2;
    973                 size = ALIGN(size, 4096);
    974             } break;
    975         case HAL_PIXEL_FORMAT_YCbCr_420_SP:
    976         case HAL_PIXEL_FORMAT_YCrCb_420_SP:
    977             {
    978                 size = aligned_w * h +
    979                        ALIGN(aligned_w/2, 32) * (h/2) * 2;
    980                 size = ALIGN(size, 4096);
    981             } break;
    982         default: break;
    983     }
    984     return size;
    985 }
    986 
    987 /* Function to allocate memory for the temporary buffer. This memory is
    988  * allocated from Ashmem. It is the caller's responsibility to free this
    989  * memory.
    990  */
    991 static int get_temp_buffer(const bufferInfo& info, alloc_data& data)
    992 {
    993     ALOGD("%s E", __FUNCTION__);
    994     // Alloc memory from system heap
    995     data.base = 0;
    996     data.fd = -1;
    997     data.offset = 0;
    998     data.size = get_size(info);
    999     data.align = getpagesize();
   1000     data.uncached = true;
   1001     int allocFlags = 0;
   1002 
   1003     if (sAlloc == 0) {
   1004         sAlloc = gralloc::IAllocController::getInstance();
   1005     }
   1006 
   1007     if (sAlloc == 0) {
   1008         ALOGE("%s: sAlloc is still NULL", __FUNCTION__);
   1009         return COPYBIT_FAILURE;
   1010     }
   1011 
   1012     int err = sAlloc->allocate(data, allocFlags);
   1013     if (0 != err) {
   1014         ALOGE("%s: allocate failed", __FUNCTION__);
   1015         return COPYBIT_FAILURE;
   1016     }
   1017 
   1018     ALOGD("%s X", __FUNCTION__);
   1019     return err;
   1020 }
   1021 
   1022 /* Function to free the temporary allocated memory.*/
   1023 static void free_temp_buffer(alloc_data &data)
   1024 {
   1025     if (-1 != data.fd) {
   1026         IMemAlloc* memalloc = sAlloc->getAllocator(data.allocType);
   1027         memalloc->free_buffer(data.base, data.size, 0, data.fd);
   1028     }
   1029 }
   1030 
   1031 /* Function to perform the software color conversion. Convert the
   1032  * C2D compatible format to the Android compatible format
   1033  */
   1034 static int copy_image(private_handle_t *src_handle,
   1035                       struct copybit_image_t const *rhs,
   1036                       eConversionType conversionType)
   1037 {
   1038     if (src_handle->fd == -1) {
   1039         ALOGE("%s: src_handle fd is invalid", __FUNCTION__);
   1040         return COPYBIT_FAILURE;
   1041     }
   1042 
   1043     // Copy the info.
   1044     int ret = COPYBIT_SUCCESS;
   1045     switch(rhs->format) {
   1046         case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
   1047         case HAL_PIXEL_FORMAT_YCbCr_420_SP:
   1048         case HAL_PIXEL_FORMAT_YCrCb_420_SP:
   1049             {
   1050                 if (CONVERT_TO_ANDROID_FORMAT == conversionType) {
   1051                     return convert_yuv_c2d_to_yuv_android(src_handle, rhs);
   1052                 } else {
   1053                     return convert_yuv_android_to_yuv_c2d(src_handle, rhs);
   1054                 }
   1055 
   1056             } break;
   1057         default: {
   1058             ALOGE("%s: invalid format 0x%x", __FUNCTION__, rhs->format);
   1059             ret = COPYBIT_FAILURE;
   1060         } break;
   1061     }
   1062     return ret;
   1063 }
   1064 
   1065 static void delete_handle(private_handle_t *handle)
   1066 {
   1067     if (handle) {
   1068         delete handle;
   1069         handle = 0;
   1070     }
   1071 }
   1072 
   1073 static bool need_to_execute_draw(eC2DFlags flags)
   1074 {
   1075     if (flags & FLAGS_TEMP_SRC_DST) {
   1076         return true;
   1077     }
   1078     if (flags & FLAGS_YUV_DESTINATION) {
   1079         return true;
   1080     }
   1081     return false;
   1082 }
   1083 
   1084 /** do a stretch blit type operation */
   1085 static int stretch_copybit_internal(
   1086     struct copybit_device_t *dev,
   1087     struct copybit_image_t const *dst,
   1088     struct copybit_image_t const *src,
   1089     struct copybit_rect_t const *dst_rect,
   1090     struct copybit_rect_t const *src_rect,
   1091     struct copybit_region_t const *region,
   1092     bool enableBlend)
   1093 {
   1094     struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
   1095     int status = COPYBIT_SUCCESS;
   1096     int flags = 0;
   1097     int src_surface_type;
   1098     int mapped_src_idx = -1, mapped_dst_idx = -1;
   1099     C2D_OBJECT_STR src_surface;
   1100 
   1101     if (!ctx) {
   1102         ALOGE("%s: null context error", __FUNCTION__);
   1103         return -EINVAL;
   1104     }
   1105 
   1106     if (src->w > MAX_DIMENSION || src->h > MAX_DIMENSION) {
   1107         ALOGE("%s: src dimension error", __FUNCTION__);
   1108         return -EINVAL;
   1109     }
   1110 
   1111     if (dst->w > MAX_DIMENSION || dst->h > MAX_DIMENSION) {
   1112         ALOGE("%s : dst dimension error dst w %d h %d",  __FUNCTION__, dst->w,
   1113                                                          dst->h);
   1114         return -EINVAL;
   1115     }
   1116 
   1117     if (is_valid_destination_format(dst->format) == COPYBIT_FAILURE) {
   1118         ALOGE("%s: Invalid destination format format = 0x%x", __FUNCTION__,
   1119                                                               dst->format);
   1120         return COPYBIT_FAILURE;
   1121     }
   1122 
   1123     int dst_surface_type;
   1124     if (ctx->is_dst_ubwc_format)
   1125         flags |= FLAGS_UBWC_FORMAT_MODE;
   1126 
   1127     if (is_supported_rgb_format(dst->format) == COPYBIT_SUCCESS) {
   1128         dst_surface_type = RGB_SURFACE;
   1129         flags |= FLAGS_PREMULTIPLIED_ALPHA;
   1130     } else if (is_supported_yuv_format(dst->format) == COPYBIT_SUCCESS) {
   1131         int num_planes = get_num_planes(dst->format);
   1132         flags |= FLAGS_YUV_DESTINATION;
   1133         if (num_planes == 2) {
   1134             dst_surface_type = YUV_SURFACE_2_PLANES;
   1135         } else if (num_planes == 3) {
   1136             dst_surface_type = YUV_SURFACE_3_PLANES;
   1137         } else {
   1138             ALOGE("%s: dst number of YUV planes is invalid dst format = 0x%x",
   1139                   __FUNCTION__, dst->format);
   1140             return COPYBIT_FAILURE;
   1141         }
   1142     } else {
   1143         ALOGE("%s: Invalid dst surface format 0x%x", __FUNCTION__,
   1144                                                      dst->format);
   1145         return COPYBIT_FAILURE;
   1146     }
   1147 
   1148     if (ctx->blit_rgb_count == MAX_RGB_SURFACES ||
   1149         ctx->blit_yuv_2_plane_count == MAX_YUV_2_PLANE_SURFACES ||
   1150         ctx->blit_yuv_3_plane_count == MAX_YUV_2_PLANE_SURFACES ||
   1151         ctx->blit_count == MAX_BLIT_OBJECT_COUNT ||
   1152         ctx->dst_surface_type != dst_surface_type) {
   1153         // we have reached the max. limits of our internal structures or
   1154         // changed the target.
   1155         // Draw the remaining surfaces. We need to do the finish here since
   1156         // we need to free up the surface templates.
   1157         finish_copybit(dev);
   1158     }
   1159 
   1160     ctx->dst_surface_type = dst_surface_type;
   1161 
   1162     // Update the destination
   1163     copybit_image_t dst_image;
   1164     dst_image.w = dst->w;
   1165     dst_image.h = dst->h;
   1166     dst_image.format = dst->format;
   1167     dst_image.handle = dst->handle;
   1168     // Check if we need a temp. copy for the destination. We'd need this the destination
   1169     // width is not aligned to 32. This case occurs for YUV formats. RGB formats are
   1170     // aligned to 32.
   1171     bool need_temp_dst = need_temp_buffer(dst);
   1172     bufferInfo dst_info;
   1173     populate_buffer_info(dst, dst_info);
   1174     private_handle_t* dst_hnd = new private_handle_t(-1, 0, 0, 0, dst_info.format,
   1175                                                      dst_info.width, dst_info.height);
   1176     if (dst_hnd == NULL) {
   1177         ALOGE("%s: dst_hnd is null", __FUNCTION__);
   1178         return COPYBIT_FAILURE;
   1179     }
   1180     if (need_temp_dst) {
   1181         if (get_size(dst_info) != (int) ctx->temp_dst_buffer.size) {
   1182             free_temp_buffer(ctx->temp_dst_buffer);
   1183             // Create a temp buffer and set that as the destination.
   1184             if (COPYBIT_FAILURE == get_temp_buffer(dst_info, ctx->temp_dst_buffer)) {
   1185                 ALOGE("%s: get_temp_buffer(dst) failed", __FUNCTION__);
   1186                 delete_handle(dst_hnd);
   1187                 return COPYBIT_FAILURE;
   1188             }
   1189         }
   1190         dst_hnd->fd = ctx->temp_dst_buffer.fd;
   1191         dst_hnd->size = ctx->temp_dst_buffer.size;
   1192         dst_hnd->flags = ctx->temp_dst_buffer.allocType;
   1193         dst_hnd->base = (uintptr_t)(ctx->temp_dst_buffer.base);
   1194         dst_hnd->offset = ctx->temp_dst_buffer.offset;
   1195         dst_hnd->gpuaddr = 0;
   1196         dst_image.handle = dst_hnd;
   1197     }
   1198     if(!ctx->dst_surface_mapped) {
   1199         //map the destination surface to GPU address
   1200         status = set_image(ctx, ctx->dst[ctx->dst_surface_type], &dst_image,
   1201                            (eC2DFlags)flags, mapped_dst_idx);
   1202         if(status) {
   1203             ALOGE("%s: dst: set_image error", __FUNCTION__);
   1204             delete_handle(dst_hnd);
   1205             unmap_gpuaddr(ctx, mapped_dst_idx);
   1206             return COPYBIT_FAILURE;
   1207         }
   1208         ctx->dst_surface_mapped = true;
   1209         ctx->dst_surface_base = dst->base;
   1210     } else if(ctx->dst_surface_mapped && ctx->dst_surface_base != dst->base) {
   1211         // Destination surface for the operation should be same for multiple
   1212         // requests, this check is catch if there is any case when the
   1213         // destination changes
   1214         ALOGE("%s: a different destination surface!!", __FUNCTION__);
   1215     }
   1216 
   1217     // Update the source
   1218     flags = 0;
   1219     if(is_supported_rgb_format(src->format) == COPYBIT_SUCCESS) {
   1220         src_surface_type = RGB_SURFACE;
   1221         src_surface = ctx->blit_rgb_object[ctx->blit_rgb_count];
   1222     } else if (is_supported_yuv_format(src->format) == COPYBIT_SUCCESS) {
   1223         int num_planes = get_num_planes(src->format);
   1224         if (num_planes == 2) {
   1225             src_surface_type = YUV_SURFACE_2_PLANES;
   1226             src_surface = ctx->blit_yuv_2_plane_object[ctx->blit_yuv_2_plane_count];
   1227         } else if (num_planes == 3) {
   1228             src_surface_type = YUV_SURFACE_3_PLANES;
   1229             src_surface = ctx->blit_yuv_3_plane_object[ctx->blit_yuv_2_plane_count];
   1230         } else {
   1231             ALOGE("%s: src number of YUV planes is invalid src format = 0x%x",
   1232                   __FUNCTION__, src->format);
   1233             delete_handle(dst_hnd);
   1234             unmap_gpuaddr(ctx, mapped_dst_idx);
   1235             return -EINVAL;
   1236         }
   1237     } else {
   1238         ALOGE("%s: Invalid source surface format 0x%x", __FUNCTION__,
   1239                                                         src->format);
   1240         delete_handle(dst_hnd);
   1241         unmap_gpuaddr(ctx, mapped_dst_idx);
   1242         return -EINVAL;
   1243     }
   1244 
   1245     copybit_image_t src_image;
   1246     src_image.w = src->w;
   1247     src_image.h = src->h;
   1248     src_image.format = src->format;
   1249     src_image.handle = src->handle;
   1250 
   1251     bool need_temp_src = need_temp_buffer(src);
   1252     bufferInfo src_info;
   1253     populate_buffer_info(src, src_info);
   1254     private_handle_t* src_hnd = new private_handle_t(-1, 0, 0, 0, src_info.format,
   1255                                                  src_info.width, src_info.height);
   1256     if (NULL == src_hnd) {
   1257         ALOGE("%s: src_hnd is null", __FUNCTION__);
   1258         delete_handle(dst_hnd);
   1259         unmap_gpuaddr(ctx, mapped_dst_idx);
   1260         return COPYBIT_FAILURE;
   1261     }
   1262     if (need_temp_src) {
   1263         if (get_size(src_info) != (int) ctx->temp_src_buffer.size) {
   1264             free_temp_buffer(ctx->temp_src_buffer);
   1265             // Create a temp buffer and set that as the destination.
   1266             if (COPYBIT_SUCCESS != get_temp_buffer(src_info,
   1267                                                ctx->temp_src_buffer)) {
   1268                 ALOGE("%s: get_temp_buffer(src) failed", __FUNCTION__);
   1269                 delete_handle(dst_hnd);
   1270                 delete_handle(src_hnd);
   1271                 unmap_gpuaddr(ctx, mapped_dst_idx);
   1272                 return COPYBIT_FAILURE;
   1273             }
   1274         }
   1275         src_hnd->fd = ctx->temp_src_buffer.fd;
   1276         src_hnd->size = ctx->temp_src_buffer.size;
   1277         src_hnd->flags = ctx->temp_src_buffer.allocType;
   1278         src_hnd->base = (uintptr_t)(ctx->temp_src_buffer.base);
   1279         src_hnd->offset = ctx->temp_src_buffer.offset;
   1280         src_hnd->gpuaddr = 0;
   1281         src_image.handle = src_hnd;
   1282 
   1283         // Copy the source.
   1284         status = copy_image((private_handle_t *)src->handle, &src_image,
   1285                                 CONVERT_TO_C2D_FORMAT);
   1286         if (status == COPYBIT_FAILURE) {
   1287             ALOGE("%s:copy_image failed in temp source",__FUNCTION__);
   1288             delete_handle(dst_hnd);
   1289             delete_handle(src_hnd);
   1290             unmap_gpuaddr(ctx, mapped_dst_idx);
   1291             return status;
   1292         }
   1293 
   1294         // Clean the cache
   1295         IMemAlloc* memalloc = sAlloc->getAllocator(src_hnd->flags);
   1296         if (memalloc->clean_buffer((void *)(src_hnd->base), src_hnd->size,
   1297                                    src_hnd->offset, src_hnd->fd,
   1298                                    gralloc::CACHE_CLEAN)) {
   1299             ALOGE("%s: clean_buffer failed", __FUNCTION__);
   1300             delete_handle(dst_hnd);
   1301             delete_handle(src_hnd);
   1302             unmap_gpuaddr(ctx, mapped_dst_idx);
   1303             return COPYBIT_FAILURE;
   1304         }
   1305     }
   1306 
   1307     flags |= (ctx->is_premultiplied_alpha) ? FLAGS_PREMULTIPLIED_ALPHA : 0;
   1308     flags |= (ctx->dst_surface_type != RGB_SURFACE) ? FLAGS_YUV_DESTINATION : 0;
   1309     flags |= (ctx->is_src_ubwc_format) ? FLAGS_UBWC_FORMAT_MODE : 0;
   1310     status = set_image(ctx, src_surface.surface_id, &src_image,
   1311                        (eC2DFlags)flags, mapped_src_idx);
   1312     if(status) {
   1313         ALOGE("%s: set_image (src) error", __FUNCTION__);
   1314         delete_handle(dst_hnd);
   1315         delete_handle(src_hnd);
   1316         unmap_gpuaddr(ctx, mapped_dst_idx);
   1317         unmap_gpuaddr(ctx, mapped_src_idx);
   1318         return COPYBIT_FAILURE;
   1319     }
   1320 
   1321     src_surface.config_mask = C2D_NO_ANTIALIASING_BIT | ctx->config_mask;
   1322     src_surface.global_alpha = ctx->src_global_alpha;
   1323     if (enableBlend) {
   1324         if(src_surface.config_mask & C2D_GLOBAL_ALPHA_BIT) {
   1325             src_surface.config_mask &= ~C2D_ALPHA_BLEND_NONE;
   1326             if(!(src_surface.global_alpha)) {
   1327                 // src alpha is zero
   1328                 delete_handle(dst_hnd);
   1329                 delete_handle(src_hnd);
   1330                 unmap_gpuaddr(ctx, mapped_dst_idx);
   1331                 unmap_gpuaddr(ctx, mapped_src_idx);
   1332                 return COPYBIT_FAILURE;
   1333             }
   1334         }
   1335     } else {
   1336         src_surface.config_mask |= C2D_ALPHA_BLEND_NONE;
   1337     }
   1338 
   1339     if (src_surface_type == RGB_SURFACE) {
   1340         ctx->blit_rgb_object[ctx->blit_rgb_count] = src_surface;
   1341         ctx->blit_rgb_count++;
   1342     } else if (src_surface_type == YUV_SURFACE_2_PLANES) {
   1343         ctx->blit_yuv_2_plane_object[ctx->blit_yuv_2_plane_count] = src_surface;
   1344         ctx->blit_yuv_2_plane_count++;
   1345     } else {
   1346         ctx->blit_yuv_3_plane_object[ctx->blit_yuv_3_plane_count] = src_surface;
   1347         ctx->blit_yuv_3_plane_count++;
   1348     }
   1349 
   1350     struct copybit_rect_t clip;
   1351     while ((status == 0) && region->next(region, &clip)) {
   1352         set_rects(ctx, &(src_surface), dst_rect, src_rect, &clip);
   1353         if (ctx->blit_count == MAX_BLIT_OBJECT_COUNT) {
   1354             ALOGW("Reached end of blit count");
   1355             finish_copybit(dev);
   1356         }
   1357         ctx->blit_list[ctx->blit_count] = src_surface;
   1358         ctx->blit_count++;
   1359     }
   1360 
   1361     // Check if we need to perform an early draw-finish.
   1362     flags |= (need_temp_dst || need_temp_src) ? FLAGS_TEMP_SRC_DST : 0;
   1363     if (need_to_execute_draw((eC2DFlags)flags))
   1364     {
   1365         finish_copybit(dev);
   1366     }
   1367 
   1368     if (need_temp_dst) {
   1369         // copy the temp. destination without the alignment to the actual
   1370         // destination.
   1371         status = copy_image(dst_hnd, dst, CONVERT_TO_ANDROID_FORMAT);
   1372         if (status == COPYBIT_FAILURE) {
   1373             ALOGE("%s:copy_image failed in temp Dest",__FUNCTION__);
   1374             delete_handle(dst_hnd);
   1375             delete_handle(src_hnd);
   1376             unmap_gpuaddr(ctx, mapped_dst_idx);
   1377             unmap_gpuaddr(ctx, mapped_src_idx);
   1378             return status;
   1379         }
   1380         // Clean the cache.
   1381         IMemAlloc* memalloc = sAlloc->getAllocator(dst_hnd->flags);
   1382         memalloc->clean_buffer((void *)(dst_hnd->base), dst_hnd->size,
   1383                                dst_hnd->offset, dst_hnd->fd,
   1384                                gralloc::CACHE_CLEAN);
   1385     }
   1386     delete_handle(dst_hnd);
   1387     delete_handle(src_hnd);
   1388 
   1389     ctx->is_premultiplied_alpha = false;
   1390     ctx->fb_width = 0;
   1391     ctx->fb_height = 0;
   1392     ctx->config_mask = 0;
   1393     return status;
   1394 }
   1395 
   1396 static int set_sync_copybit(struct copybit_device_t *dev,
   1397     int /*acquireFenceFd*/)
   1398 {
   1399     if(!dev)
   1400         return -EINVAL;
   1401 
   1402     return 0;
   1403 }
   1404 
   1405 static int stretch_copybit(
   1406     struct copybit_device_t *dev,
   1407     struct copybit_image_t const *dst,
   1408     struct copybit_image_t const *src,
   1409     struct copybit_rect_t const *dst_rect,
   1410     struct copybit_rect_t const *src_rect,
   1411     struct copybit_region_t const *region)
   1412 {
   1413     struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
   1414     int status = COPYBIT_SUCCESS;
   1415     bool needsBlending = (ctx->src_global_alpha != 0);
   1416     pthread_mutex_lock(&ctx->wait_cleanup_lock);
   1417     status = stretch_copybit_internal(dev, dst, src, dst_rect, src_rect,
   1418                                     region, needsBlending);
   1419     pthread_mutex_unlock(&ctx->wait_cleanup_lock);
   1420     return status;
   1421 }
   1422 
   1423 /** Perform a blit type operation */
   1424 static int blit_copybit(
   1425     struct copybit_device_t *dev,
   1426     struct copybit_image_t const *dst,
   1427     struct copybit_image_t const *src,
   1428     struct copybit_region_t const *region)
   1429 {
   1430     int status = COPYBIT_SUCCESS;
   1431     struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
   1432     struct copybit_rect_t dr = { 0, 0, (int)dst->w, (int)dst->h };
   1433     struct copybit_rect_t sr = { 0, 0, (int)src->w, (int)src->h };
   1434     pthread_mutex_lock(&ctx->wait_cleanup_lock);
   1435     status = stretch_copybit_internal(dev, dst, src, &dr, &sr, region, false);
   1436     pthread_mutex_unlock(&ctx->wait_cleanup_lock);
   1437     return status;
   1438 }
   1439 
   1440 /** Fill the rect on dst with RGBA color **/
   1441 static int fill_color(struct copybit_device_t *dev,
   1442                       struct copybit_image_t const *dst,
   1443                       struct copybit_rect_t const *rect,
   1444                       uint32_t /*color*/)
   1445 {
   1446     // TODO: Implement once c2d driver supports color fill
   1447     if(!dev || !dst || !rect)
   1448        return -EINVAL;
   1449 
   1450     return -EINVAL;
   1451 }
   1452 
   1453 /*****************************************************************************/
   1454 
   1455 static void clean_up(copybit_context_t* ctx)
   1456 {
   1457     void* ret;
   1458     if (!ctx)
   1459         return;
   1460 
   1461     // stop the wait_cleanup_thread
   1462     pthread_mutex_lock(&ctx->wait_cleanup_lock);
   1463     ctx->stop_thread = true;
   1464     // Signal waiting thread
   1465     pthread_cond_signal(&ctx->wait_cleanup_cond);
   1466     pthread_mutex_unlock(&ctx->wait_cleanup_lock);
   1467     // waits for the cleanup thread to exit
   1468     pthread_join(ctx->wait_thread_id, &ret);
   1469     pthread_mutex_destroy(&ctx->wait_cleanup_lock);
   1470     pthread_cond_destroy (&ctx->wait_cleanup_cond);
   1471 
   1472     for (int i = 0; i < NUM_SURFACE_TYPES; i++) {
   1473         if (ctx->dst[i])
   1474             LINK_c2dDestroySurface(ctx->dst[i]);
   1475     }
   1476 
   1477     for (int i = 0; i < MAX_RGB_SURFACES; i++) {
   1478         if (ctx->blit_rgb_object[i].surface_id)
   1479             LINK_c2dDestroySurface(ctx->blit_rgb_object[i].surface_id);
   1480     }
   1481 
   1482     for (int i = 0; i < MAX_YUV_2_PLANE_SURFACES; i++) {
   1483         if (ctx->blit_yuv_2_plane_object[i].surface_id)
   1484             LINK_c2dDestroySurface(ctx->blit_yuv_2_plane_object[i].surface_id);
   1485     }
   1486 
   1487     for (int i = 0; i < MAX_YUV_3_PLANE_SURFACES; i++) {
   1488         if (ctx->blit_yuv_3_plane_object[i].surface_id)
   1489             LINK_c2dDestroySurface(ctx->blit_yuv_3_plane_object[i].surface_id);
   1490     }
   1491 
   1492     if (ctx->libc2d2) {
   1493         ::dlclose(ctx->libc2d2);
   1494         ALOGV("dlclose(libc2d2)");
   1495     }
   1496 
   1497     free(ctx);
   1498 }
   1499 
   1500 /** Close the copybit device */
   1501 static int close_copybit(struct hw_device_t *dev)
   1502 {
   1503     struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
   1504     if (ctx) {
   1505         free_temp_buffer(ctx->temp_src_buffer);
   1506         free_temp_buffer(ctx->temp_dst_buffer);
   1507     }
   1508     clean_up(ctx);
   1509     return 0;
   1510 }
   1511 
   1512 /** Open a new instance of a copybit device using name */
   1513 static int open_copybit(const struct hw_module_t* module, const char* name,
   1514                         struct hw_device_t** device)
   1515 {
   1516     int status = COPYBIT_SUCCESS;
   1517     if (strcmp(name, COPYBIT_HARDWARE_COPYBIT0)) {
   1518         return COPYBIT_FAILURE;
   1519     }
   1520 
   1521     C2D_RGB_SURFACE_DEF surfDefinition = {0};
   1522     C2D_YUV_SURFACE_DEF yuvSurfaceDef = {0} ;
   1523     struct copybit_context_t *ctx;
   1524 
   1525     ctx = (struct copybit_context_t *)malloc(sizeof(struct copybit_context_t));
   1526     if(!ctx) {
   1527         ALOGE("%s: malloc failed", __FUNCTION__);
   1528         return COPYBIT_FAILURE;
   1529     }
   1530 
   1531     /* initialize drawstate */
   1532     memset(ctx, 0, sizeof(*ctx));
   1533     ctx->libc2d2 = ::dlopen("libC2D2.so", RTLD_NOW);
   1534     if (!ctx->libc2d2) {
   1535         ALOGE("FATAL ERROR: could not dlopen libc2d2.so: %s", dlerror());
   1536         clean_up(ctx);
   1537         status = COPYBIT_FAILURE;
   1538         *device = NULL;
   1539         return status;
   1540     }
   1541     *(void **)&LINK_c2dCreateSurface = ::dlsym(ctx->libc2d2,
   1542                                                "c2dCreateSurface");
   1543     *(void **)&LINK_c2dUpdateSurface = ::dlsym(ctx->libc2d2,
   1544                                                "c2dUpdateSurface");
   1545     *(void **)&LINK_c2dReadSurface = ::dlsym(ctx->libc2d2,
   1546                                              "c2dReadSurface");
   1547     *(void **)&LINK_c2dDraw = ::dlsym(ctx->libc2d2, "c2dDraw");
   1548     *(void **)&LINK_c2dFlush = ::dlsym(ctx->libc2d2, "c2dFlush");
   1549     *(void **)&LINK_c2dFinish = ::dlsym(ctx->libc2d2, "c2dFinish");
   1550     *(void **)&LINK_c2dWaitTimestamp = ::dlsym(ctx->libc2d2,
   1551                                                "c2dWaitTimestamp");
   1552     *(void **)&LINK_c2dDestroySurface = ::dlsym(ctx->libc2d2,
   1553                                                 "c2dDestroySurface");
   1554     *(void **)&LINK_c2dMapAddr = ::dlsym(ctx->libc2d2,
   1555                                          "c2dMapAddr");
   1556     *(void **)&LINK_c2dUnMapAddr = ::dlsym(ctx->libc2d2,
   1557                                            "c2dUnMapAddr");
   1558     *(void **)&LINK_c2dGetDriverCapabilities = ::dlsym(ctx->libc2d2,
   1559                                            "c2dGetDriverCapabilities");
   1560     *(void **)&LINK_c2dCreateFenceFD = ::dlsym(ctx->libc2d2,
   1561                                            "c2dCreateFenceFD");
   1562     *(void **)&LINK_c2dFillSurface = ::dlsym(ctx->libc2d2,
   1563                                            "c2dFillSurface");
   1564 
   1565     if (!LINK_c2dCreateSurface || !LINK_c2dUpdateSurface || !LINK_c2dReadSurface
   1566         || !LINK_c2dDraw || !LINK_c2dFlush || !LINK_c2dWaitTimestamp ||
   1567         !LINK_c2dFinish  || !LINK_c2dDestroySurface ||
   1568         !LINK_c2dGetDriverCapabilities || !LINK_c2dCreateFenceFD ||
   1569         !LINK_c2dFillSurface) {
   1570         ALOGE("%s: dlsym ERROR", __FUNCTION__);
   1571         clean_up(ctx);
   1572         status = COPYBIT_FAILURE;
   1573         *device = NULL;
   1574         return status;
   1575     }
   1576 
   1577     ctx->device.common.tag = HARDWARE_DEVICE_TAG;
   1578     ctx->device.common.version = 1;
   1579     ctx->device.common.module = (hw_module_t*)(module);
   1580     ctx->device.common.close = close_copybit;
   1581     ctx->device.set_parameter = set_parameter_copybit;
   1582     ctx->device.get = get;
   1583     ctx->device.blit = blit_copybit;
   1584     ctx->device.set_sync = set_sync_copybit;
   1585     ctx->device.stretch = stretch_copybit;
   1586     ctx->device.finish = finish_copybit;
   1587     ctx->device.flush_get_fence = flush_get_fence_copybit;
   1588     ctx->device.clear = clear_copybit;
   1589     ctx->device.fill_color = fill_color;
   1590 
   1591     /* Create RGB Surface */
   1592     surfDefinition.buffer = (void*)0xdddddddd;
   1593     surfDefinition.phys = (void*)0xdddddddd;
   1594     surfDefinition.stride = 1 * 4;
   1595     surfDefinition.width = 1;
   1596     surfDefinition.height = 1;
   1597     surfDefinition.format = C2D_COLOR_FORMAT_8888_ARGB;
   1598     if (LINK_c2dCreateSurface(&(ctx->dst[RGB_SURFACE]), C2D_TARGET | C2D_SOURCE,
   1599                               (C2D_SURFACE_TYPE)(C2D_SURFACE_RGB_HOST |
   1600                                                  C2D_SURFACE_WITH_PHYS |
   1601                                                  C2D_SURFACE_WITH_PHYS_DUMMY ),
   1602                                                  &surfDefinition)) {
   1603         ALOGE("%s: create ctx->dst_surface[RGB_SURFACE] failed", __FUNCTION__);
   1604         ctx->dst[RGB_SURFACE] = 0;
   1605         clean_up(ctx);
   1606         status = COPYBIT_FAILURE;
   1607         *device = NULL;
   1608         return status;
   1609     }
   1610 
   1611     unsigned int surface_id = 0;
   1612     for (int i = 0; i < MAX_RGB_SURFACES; i++)
   1613     {
   1614         if (LINK_c2dCreateSurface(&surface_id, C2D_TARGET | C2D_SOURCE,
   1615                               (C2D_SURFACE_TYPE)(C2D_SURFACE_RGB_HOST |
   1616                                                  C2D_SURFACE_WITH_PHYS |
   1617                                                  C2D_SURFACE_WITH_PHYS_DUMMY ),
   1618                                                  &surfDefinition)) {
   1619             ALOGE("%s: create RGB source surface %d failed", __FUNCTION__, i);
   1620             ctx->blit_rgb_object[i].surface_id = 0;
   1621             status = COPYBIT_FAILURE;
   1622             break;
   1623         } else {
   1624             ctx->blit_rgb_object[i].surface_id = surface_id;
   1625             ALOGW("%s i = %d surface_id=%d",  __FUNCTION__, i,
   1626                                           ctx->blit_rgb_object[i].surface_id);
   1627         }
   1628     }
   1629 
   1630     if (status == COPYBIT_FAILURE) {
   1631         clean_up(ctx);
   1632         status = COPYBIT_FAILURE;
   1633         *device = NULL;
   1634         return status;
   1635     }
   1636 
   1637     // Create 2 plane YUV surfaces
   1638     yuvSurfaceDef.format = C2D_COLOR_FORMAT_420_NV12;
   1639     yuvSurfaceDef.width = 4;
   1640     yuvSurfaceDef.height = 4;
   1641     yuvSurfaceDef.plane0 = (void*)0xaaaaaaaa;
   1642     yuvSurfaceDef.phys0 = (void*) 0xaaaaaaaa;
   1643     yuvSurfaceDef.stride0 = 4;
   1644 
   1645     yuvSurfaceDef.plane1 = (void*)0xaaaaaaaa;
   1646     yuvSurfaceDef.phys1 = (void*) 0xaaaaaaaa;
   1647     yuvSurfaceDef.stride1 = 4;
   1648     if (LINK_c2dCreateSurface(&(ctx->dst[YUV_SURFACE_2_PLANES]),
   1649                               C2D_TARGET | C2D_SOURCE,
   1650                               (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST |
   1651                                C2D_SURFACE_WITH_PHYS |
   1652                                C2D_SURFACE_WITH_PHYS_DUMMY),
   1653                               &yuvSurfaceDef)) {
   1654         ALOGE("%s: create ctx->dst[YUV_SURFACE_2_PLANES] failed", __FUNCTION__);
   1655         ctx->dst[YUV_SURFACE_2_PLANES] = 0;
   1656         clean_up(ctx);
   1657         status = COPYBIT_FAILURE;
   1658         *device = NULL;
   1659         return status;
   1660     }
   1661 
   1662     for (int i=0; i < MAX_YUV_2_PLANE_SURFACES; i++)
   1663     {
   1664         if (LINK_c2dCreateSurface(&surface_id, C2D_TARGET | C2D_SOURCE,
   1665                               (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST |
   1666                                                  C2D_SURFACE_WITH_PHYS |
   1667                                                  C2D_SURFACE_WITH_PHYS_DUMMY ),
   1668                               &yuvSurfaceDef)) {
   1669             ALOGE("%s: create YUV source %d failed", __FUNCTION__, i);
   1670             ctx->blit_yuv_2_plane_object[i].surface_id = 0;
   1671             status = COPYBIT_FAILURE;
   1672             break;
   1673         } else {
   1674             ctx->blit_yuv_2_plane_object[i].surface_id = surface_id;
   1675             ALOGW("%s: 2 Plane YUV i=%d surface_id=%d",  __FUNCTION__, i,
   1676                                    ctx->blit_yuv_2_plane_object[i].surface_id);
   1677         }
   1678     }
   1679 
   1680     if (status == COPYBIT_FAILURE) {
   1681         clean_up(ctx);
   1682         status = COPYBIT_FAILURE;
   1683         *device = NULL;
   1684         return status;
   1685     }
   1686 
   1687     // Create YUV 3 plane surfaces
   1688     yuvSurfaceDef.format = C2D_COLOR_FORMAT_420_YV12;
   1689     yuvSurfaceDef.plane2 = (void*)0xaaaaaaaa;
   1690     yuvSurfaceDef.phys2 = (void*) 0xaaaaaaaa;
   1691     yuvSurfaceDef.stride2 = 4;
   1692 
   1693     if (LINK_c2dCreateSurface(&(ctx->dst[YUV_SURFACE_3_PLANES]),
   1694                               C2D_TARGET | C2D_SOURCE,
   1695                               (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST |
   1696                                                  C2D_SURFACE_WITH_PHYS |
   1697                                                  C2D_SURFACE_WITH_PHYS_DUMMY),
   1698                               &yuvSurfaceDef)) {
   1699         ALOGE("%s: create ctx->dst[YUV_SURFACE_3_PLANES] failed", __FUNCTION__);
   1700         ctx->dst[YUV_SURFACE_3_PLANES] = 0;
   1701         clean_up(ctx);
   1702         status = COPYBIT_FAILURE;
   1703         *device = NULL;
   1704         return status;
   1705     }
   1706 
   1707     for (int i=0; i < MAX_YUV_3_PLANE_SURFACES; i++)
   1708     {
   1709         if (LINK_c2dCreateSurface(&(surface_id),
   1710                               C2D_TARGET | C2D_SOURCE,
   1711                               (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST |
   1712                                                  C2D_SURFACE_WITH_PHYS |
   1713                                                  C2D_SURFACE_WITH_PHYS_DUMMY),
   1714                               &yuvSurfaceDef)) {
   1715             ALOGE("%s: create 3 plane YUV surface %d failed", __FUNCTION__, i);
   1716             ctx->blit_yuv_3_plane_object[i].surface_id = 0;
   1717             status = COPYBIT_FAILURE;
   1718             break;
   1719         } else {
   1720             ctx->blit_yuv_3_plane_object[i].surface_id = surface_id;
   1721             ALOGW("%s: 3 Plane YUV i=%d surface_id=%d",  __FUNCTION__, i,
   1722                                    ctx->blit_yuv_3_plane_object[i].surface_id);
   1723         }
   1724     }
   1725 
   1726     if (status == COPYBIT_FAILURE) {
   1727         clean_up(ctx);
   1728         status = COPYBIT_FAILURE;
   1729         *device = NULL;
   1730         return status;
   1731     }
   1732 
   1733     if (LINK_c2dGetDriverCapabilities(&(ctx->c2d_driver_info))) {
   1734          ALOGE("%s: LINK_c2dGetDriverCapabilities failed", __FUNCTION__);
   1735          clean_up(ctx);
   1736          status = COPYBIT_FAILURE;
   1737         *device = NULL;
   1738         return status;
   1739     }
   1740     // Initialize context variables.
   1741     ctx->trg_transform = C2D_TARGET_ROTATE_0;
   1742 
   1743     ctx->temp_src_buffer.fd = -1;
   1744     ctx->temp_src_buffer.base = 0;
   1745     ctx->temp_src_buffer.size = 0;
   1746 
   1747     ctx->temp_dst_buffer.fd = -1;
   1748     ctx->temp_dst_buffer.base = 0;
   1749     ctx->temp_dst_buffer.size = 0;
   1750 
   1751     ctx->fb_width = 0;
   1752     ctx->fb_height = 0;
   1753 
   1754     ctx->blit_rgb_count = 0;
   1755     ctx->blit_yuv_2_plane_count = 0;
   1756     ctx->blit_yuv_3_plane_count = 0;
   1757     ctx->blit_count = 0;
   1758 
   1759     ctx->wait_timestamp = false;
   1760     ctx->stop_thread = false;
   1761     pthread_mutex_init(&(ctx->wait_cleanup_lock), NULL);
   1762     pthread_cond_init(&(ctx->wait_cleanup_cond), NULL);
   1763     /* Start the wait thread */
   1764     pthread_attr_t attr;
   1765     pthread_attr_init(&attr);
   1766     pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
   1767 
   1768     pthread_create(&ctx->wait_thread_id, &attr, &c2d_wait_loop,
   1769                                                             (void *)ctx);
   1770     pthread_attr_destroy(&attr);
   1771 
   1772     *device = &ctx->device.common;
   1773     return status;
   1774 }
   1775