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      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 #include <cutils/log.h>
     21 #include <sys/resource.h>
     22 #include <sys/prctl.h>
     23 
     24 #include <stdint.h>
     25 #include <string.h>
     26 #include <unistd.h>
     27 #include <errno.h>
     28 #include <fcntl.h>
     29 
     30 #include <sys/ioctl.h>
     31 #include <sys/types.h>
     32 #include <sys/mman.h>
     33 
     34 #include <linux/msm_kgsl.h>
     35 
     36 #include <EGL/eglplatform.h>
     37 #include <cutils/native_handle.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 #include <dlfcn.h>
     47 
     48 using gralloc::IMemAlloc;
     49 using gralloc::IonController;
     50 using gralloc::alloc_data;
     51 
     52 C2D_STATUS (*LINK_c2dCreateSurface)( uint32 *surface_id,
     53                                      uint32 surface_bits,
     54                                      C2D_SURFACE_TYPE surface_type,
     55                                      void *surface_definition );
     56 
     57 C2D_STATUS (*LINK_c2dUpdateSurface)( uint32 surface_id,
     58                                      uint32 surface_bits,
     59                                      C2D_SURFACE_TYPE surface_type,
     60                                      void *surface_definition );
     61 
     62 C2D_STATUS (*LINK_c2dReadSurface)( uint32 surface_id,
     63                                    C2D_SURFACE_TYPE surface_type,
     64                                    void *surface_definition,
     65                                    int32 x, int32 y );
     66 
     67 C2D_STATUS (*LINK_c2dDraw)( uint32 target_id,
     68                             uint32 target_config, C2D_RECT *target_scissor,
     69                             uint32 target_mask_id, uint32 target_color_key,
     70                             C2D_OBJECT *objects_list, uint32 num_objects );
     71 
     72 C2D_STATUS (*LINK_c2dFinish)( uint32 target_id);
     73 
     74 C2D_STATUS (*LINK_c2dFlush)( uint32 target_id, c2d_ts_handle *timestamp);
     75 
     76 C2D_STATUS (*LINK_c2dWaitTimestamp)( c2d_ts_handle timestamp );
     77 
     78 C2D_STATUS (*LINK_c2dDestroySurface)( uint32 surface_id );
     79 
     80 C2D_STATUS (*LINK_c2dMapAddr) ( int mem_fd, void * hostptr, size_t len,
     81                                 size_t offset, uint32 flags, void ** gpuaddr);
     82 
     83 C2D_STATUS (*LINK_c2dUnMapAddr) ( void * gpuaddr);
     84 
     85 C2D_STATUS (*LINK_c2dGetDriverCapabilities) ( C2D_DRIVER_INFO * driver_info);
     86 
     87 /* create a fence fd for the timestamp */
     88 C2D_STATUS (*LINK_c2dCreateFenceFD) ( uint32 target_id, c2d_ts_handle timestamp,
     89                                                             int32 *fd);
     90 
     91 C2D_STATUS (*LINK_c2dFillSurface) ( uint32 surface_id, uint32 fill_color,
     92                                     C2D_RECT * fill_rect);
     93 
     94 /******************************************************************************/
     95 
     96 #if defined(COPYBIT_Z180)
     97 #define MAX_SCALE_FACTOR    (4096)
     98 #define MAX_DIMENSION       (4096)
     99 #else
    100 #error "Unsupported HW version"
    101 #endif
    102 
    103 // The following defines can be changed as required i.e. as we encounter
    104 // complex use cases.
    105 #define MAX_RGB_SURFACES 32       // Max. RGB layers currently supported per draw
    106 #define MAX_YUV_2_PLANE_SURFACES 4// Max. 2-plane YUV layers currently supported per draw
    107 #define MAX_YUV_3_PLANE_SURFACES 1// Max. 3-plane YUV layers currently supported per draw
    108 // +1 for the destination surface. We cannot have multiple destination surfaces.
    109 #define MAX_SURFACES (MAX_RGB_SURFACES + MAX_YUV_2_PLANE_SURFACES + MAX_YUV_3_PLANE_SURFACES + 1)
    110 #define NUM_SURFACE_TYPES 3      // RGB_SURFACE + YUV_SURFACE_2_PLANES + YUV_SURFACE_3_PLANES
    111 #define MAX_BLIT_OBJECT_COUNT 50 // Max. blit objects that can be passed per draw
    112 
    113 enum {
    114     RGB_SURFACE,
    115     YUV_SURFACE_2_PLANES,
    116     YUV_SURFACE_3_PLANES
    117 };
    118 
    119 enum eConversionType {
    120     CONVERT_TO_ANDROID_FORMAT,
    121     CONVERT_TO_C2D_FORMAT
    122 };
    123 
    124 enum eC2DFlags {
    125     FLAGS_PREMULTIPLIED_ALPHA  = 1<<0,
    126     FLAGS_YUV_DESTINATION      = 1<<1,
    127     FLAGS_TEMP_SRC_DST         = 1<<2,
    128     FLAGS_UBWC_FORMAT_MODE     = 1<<3
    129 };
    130 
    131 static gralloc::IAllocController* sAlloc = 0;
    132 /******************************************************************************/
    133 
    134 /** State information for each device instance */
    135 struct copybit_context_t {
    136     struct copybit_device_t device;
    137     // Templates for the various source surfaces. These templates are created
    138     // to avoid the expensive create/destroy C2D Surfaces
    139     C2D_OBJECT_STR blit_rgb_object[MAX_RGB_SURFACES];
    140     C2D_OBJECT_STR blit_yuv_2_plane_object[MAX_YUV_2_PLANE_SURFACES];
    141     C2D_OBJECT_STR blit_yuv_3_plane_object[MAX_YUV_3_PLANE_SURFACES];
    142     C2D_OBJECT_STR blit_list[MAX_BLIT_OBJECT_COUNT]; // Z-ordered list of blit objects
    143     C2D_DRIVER_INFO c2d_driver_info;
    144     void *libc2d2;
    145     alloc_data temp_src_buffer;
    146     alloc_data temp_dst_buffer;
    147     unsigned int dst[NUM_SURFACE_TYPES]; // dst surfaces
    148     uintptr_t mapped_gpu_addr[MAX_SURFACES]; // GPU addresses mapped inside copybit
    149     int blit_rgb_count;         // Total RGB surfaces being blit
    150     int blit_yuv_2_plane_count; // Total 2 plane YUV surfaces being
    151     int blit_yuv_3_plane_count; // Total 3 plane YUV  surfaces being blit
    152     int blit_count;             // Total blit objects.
    153     unsigned int trg_transform;      /* target transform */
    154     int fb_width;
    155     int fb_height;
    156     int src_global_alpha;
    157     int config_mask;
    158     int dst_surface_type;
    159     bool is_premultiplied_alpha;
    160     void* time_stamp;
    161     bool dst_surface_mapped; // Set when dst surface is mapped to GPU addr
    162     void* dst_surface_base; // Stores the dst surface addr
    163     bool is_src_ubwc_format;
    164     bool is_dst_ubwc_format;
    165 
    166     // used for signaling the wait thread
    167     bool wait_timestamp;
    168     pthread_t wait_thread_id;
    169     bool stop_thread;
    170     pthread_mutex_t wait_cleanup_lock;
    171     pthread_cond_t wait_cleanup_cond;
    172 
    173 };
    174 
    175 struct bufferInfo {
    176     int width;
    177     int height;
    178     int format;
    179 };
    180 
    181 struct yuvPlaneInfo {
    182     int yStride;       //luma stride
    183     int plane1_stride;
    184     int plane2_stride;
    185     size_t plane1_offset;
    186     size_t plane2_offset;
    187 };
    188 
    189 /**
    190  * Common hardware methods
    191  */
    192 
    193 static int open_copybit(const struct hw_module_t* module, const char* name,
    194                         struct hw_device_t** device);
    195 
    196 static struct hw_module_methods_t copybit_module_methods = {
    197     .open = open_copybit,
    198 };
    199 
    200 /*
    201  * The COPYBIT Module
    202  */
    203 struct copybit_module_t HAL_MODULE_INFO_SYM = {
    204     .common = {
    205         .tag =  HARDWARE_MODULE_TAG,
    206         .version_major = 1,
    207         .version_minor = 0,
    208         .id = COPYBIT_HARDWARE_MODULE_ID,
    209         .name = "QCT COPYBIT C2D 2.0 Module",
    210         .author = "Qualcomm",
    211         .methods =  &copybit_module_methods
    212     }
    213 };
    214 
    215 
    216 /* thread function which waits on the timeStamp and cleans up the surfaces */
    217 static void* c2d_wait_loop(void* ptr) {
    218     copybit_context_t* ctx = (copybit_context_t*)(ptr);
    219     char thread_name[64] = "copybitWaitThr";
    220     prctl(PR_SET_NAME, (unsigned long) &thread_name, 0, 0, 0);
    221     setpriority(PRIO_PROCESS, 0, HAL_PRIORITY_URGENT_DISPLAY);
    222 
    223     while(ctx->stop_thread == false) {
    224         pthread_mutex_lock(&ctx->wait_cleanup_lock);
    225         while(ctx->wait_timestamp == false && !ctx->stop_thread) {
    226             pthread_cond_wait(&(ctx->wait_cleanup_cond),
    227                               &(ctx->wait_cleanup_lock));
    228         }
    229         if(ctx->wait_timestamp) {
    230             if(LINK_c2dWaitTimestamp(ctx->time_stamp)) {
    231                 ALOGE("%s: LINK_c2dWaitTimeStamp ERROR!!", __FUNCTION__);
    232             }
    233             ctx->wait_timestamp = false;
    234             // Unmap any mapped addresses.
    235             for (int i = 0; i < MAX_SURFACES; i++) {
    236                 if (ctx->mapped_gpu_addr[i]) {
    237                     LINK_c2dUnMapAddr( (void*)ctx->mapped_gpu_addr[i]);
    238                     ctx->mapped_gpu_addr[i] = 0;
    239                 }
    240             }
    241             // Reset the counts after the draw.
    242             ctx->blit_rgb_count = 0;
    243             ctx->blit_yuv_2_plane_count = 0;
    244             ctx->blit_yuv_3_plane_count = 0;
    245             ctx->blit_count = 0;
    246             ctx->dst_surface_mapped = false;
    247             ctx->dst_surface_base = 0;
    248         }
    249         pthread_mutex_unlock(&ctx->wait_cleanup_lock);
    250         if(ctx->stop_thread)
    251             break;
    252     }
    253     pthread_exit(NULL);
    254     return NULL;
    255 }
    256 
    257 
    258 /* convert COPYBIT_FORMAT to C2D format */
    259 static int get_format(int format) {
    260     switch (format) {
    261         case HAL_PIXEL_FORMAT_RGB_565:        return C2D_COLOR_FORMAT_565_RGB;
    262         case HAL_PIXEL_FORMAT_RGB_888:        return C2D_COLOR_FORMAT_888_RGB |
    263                                               C2D_FORMAT_SWAP_RB;
    264         case HAL_PIXEL_FORMAT_RGBX_8888:      return C2D_COLOR_FORMAT_8888_ARGB |
    265                                               C2D_FORMAT_SWAP_RB |
    266                                                   C2D_FORMAT_DISABLE_ALPHA;
    267         case HAL_PIXEL_FORMAT_RGBA_8888:      return C2D_COLOR_FORMAT_8888_ARGB |
    268                                               C2D_FORMAT_SWAP_RB;
    269         case HAL_PIXEL_FORMAT_BGRA_8888:      return C2D_COLOR_FORMAT_8888_ARGB;
    270         case HAL_PIXEL_FORMAT_RGBA_5551:      return C2D_COLOR_FORMAT_5551_RGBA;
    271         case HAL_PIXEL_FORMAT_RGBA_4444:      return C2D_COLOR_FORMAT_4444_RGBA;
    272         case HAL_PIXEL_FORMAT_YCbCr_420_SP:   return C2D_COLOR_FORMAT_420_NV12;
    273         case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:return C2D_COLOR_FORMAT_420_NV12;
    274         case HAL_PIXEL_FORMAT_YCrCb_420_SP:   return C2D_COLOR_FORMAT_420_NV21;
    275         case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: return C2D_COLOR_FORMAT_420_NV12 |
    276                                                   C2D_FORMAT_MACROTILED;
    277         default:                              ALOGE("%s: invalid format (0x%x",
    278                                                      __FUNCTION__, format);
    279                                               return -EINVAL;
    280     }
    281     return -EINVAL;
    282 }
    283 
    284 /* Get the C2D formats needed for conversion to YUV */
    285 static int get_c2d_format_for_yuv_destination(int halFormat) {
    286     switch (halFormat) {
    287         // We do not swap the RB when the target is YUV
    288         case HAL_PIXEL_FORMAT_RGBX_8888:      return C2D_COLOR_FORMAT_8888_ARGB |
    289                                               C2D_FORMAT_DISABLE_ALPHA;
    290         case HAL_PIXEL_FORMAT_RGBA_8888:      return C2D_COLOR_FORMAT_8888_ARGB;
    291         // The U and V need to be interchanged when the target is YUV
    292         case HAL_PIXEL_FORMAT_YCbCr_420_SP:   return C2D_COLOR_FORMAT_420_NV21;
    293         case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:return C2D_COLOR_FORMAT_420_NV21;
    294         case HAL_PIXEL_FORMAT_YCrCb_420_SP:   return C2D_COLOR_FORMAT_420_NV12;
    295         default:                              return get_format(halFormat);
    296     }
    297     return -EINVAL;
    298 }
    299 
    300 /* ------------------------------------------------------------------- *//*!
    301  * \internal
    302  * \brief Get the bpp for a particular color format
    303  * \param color format
    304  * \return bits per pixel
    305  *//* ------------------------------------------------------------------- */
    306 int c2diGetBpp(int32 colorformat)
    307 {
    308 
    309     int c2dBpp = 0;
    310 
    311     switch(colorformat&0xFF)
    312     {
    313         case C2D_COLOR_FORMAT_4444_RGBA:
    314         case C2D_COLOR_FORMAT_4444_ARGB:
    315         case C2D_COLOR_FORMAT_1555_ARGB:
    316         case C2D_COLOR_FORMAT_565_RGB:
    317         case C2D_COLOR_FORMAT_5551_RGBA:
    318             c2dBpp = 16;
    319             break;
    320         case C2D_COLOR_FORMAT_8888_RGBA:
    321         case C2D_COLOR_FORMAT_8888_ARGB:
    322             c2dBpp = 32;
    323             break;
    324         case C2D_COLOR_FORMAT_888_RGB:
    325             c2dBpp = 24;
    326             break;
    327         case C2D_COLOR_FORMAT_8_L:
    328         case C2D_COLOR_FORMAT_8_A:
    329             c2dBpp = 8;
    330             break;
    331         case C2D_COLOR_FORMAT_4_A:
    332             c2dBpp = 4;
    333             break;
    334         case C2D_COLOR_FORMAT_1:
    335             c2dBpp = 1;
    336             break;
    337         default:
    338             ALOGE("%s ERROR", __func__);
    339             break;
    340     }
    341     return c2dBpp;
    342 }
    343 
    344 static size_t c2d_get_gpuaddr(copybit_context_t* ctx,
    345                               struct private_handle_t *handle, int &mapped_idx)
    346 {
    347     uint32 memtype;
    348     size_t *gpuaddr = 0;
    349     C2D_STATUS rc;
    350     int freeindex = 0;
    351     bool mapaddr = false;
    352 
    353     if(!handle)
    354         return 0;
    355 
    356     if (handle->flags & private_handle_t::PRIV_FLAGS_USES_ION)
    357         memtype = KGSL_USER_MEM_TYPE_ION;
    358     else {
    359         ALOGE("Invalid handle flags: 0x%x", handle->flags);
    360         return 0;
    361     }
    362 
    363     // Check for a freeindex in the mapped_gpu_addr list
    364     for (freeindex = 0; freeindex < MAX_SURFACES; freeindex++) {
    365         if (ctx->mapped_gpu_addr[freeindex] == 0) {
    366             // free index is available
    367             // map GPU addr and use this as mapped_idx
    368             mapaddr = true;
    369             break;
    370         }
    371     }
    372 
    373     if(mapaddr) {
    374         rc = LINK_c2dMapAddr(handle->fd, (void*)handle->base, handle->size,
    375                              handle->offset, memtype, (void**)&gpuaddr);
    376 
    377         if (rc == C2D_STATUS_OK) {
    378             // We have mapped the GPU address inside copybit. We need to unmap
    379             // this address after the blit. Store this address
    380             ctx->mapped_gpu_addr[freeindex] = (size_t)gpuaddr;
    381             mapped_idx = freeindex;
    382         }
    383     }
    384     return (size_t)gpuaddr;
    385 }
    386 
    387 static void unmap_gpuaddr(copybit_context_t* ctx, int mapped_idx)
    388 {
    389     if (!ctx || (mapped_idx == -1))
    390         return;
    391 
    392     if (ctx->mapped_gpu_addr[mapped_idx]) {
    393         LINK_c2dUnMapAddr( (void*)ctx->mapped_gpu_addr[mapped_idx]);
    394         ctx->mapped_gpu_addr[mapped_idx] = 0;
    395     }
    396 }
    397 
    398 static int is_supported_rgb_format(int format)
    399 {
    400     switch(format) {
    401         case HAL_PIXEL_FORMAT_RGBA_8888:
    402         case HAL_PIXEL_FORMAT_RGBX_8888:
    403         case HAL_PIXEL_FORMAT_RGB_888:
    404         case HAL_PIXEL_FORMAT_RGB_565:
    405         case HAL_PIXEL_FORMAT_BGRA_8888:
    406         case HAL_PIXEL_FORMAT_RGBA_5551:
    407         case HAL_PIXEL_FORMAT_RGBA_4444: {
    408             return COPYBIT_SUCCESS;
    409         }
    410         default:
    411             return COPYBIT_FAILURE;
    412     }
    413 }
    414 
    415 static int get_num_planes(int format)
    416 {
    417     switch(format) {
    418         case HAL_PIXEL_FORMAT_YCbCr_420_SP:
    419         case HAL_PIXEL_FORMAT_YCrCb_420_SP:
    420         case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
    421         case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: {
    422             return 2;
    423         }
    424         case HAL_PIXEL_FORMAT_YV12: {
    425             return 3;
    426         }
    427         default:
    428             return COPYBIT_FAILURE;
    429     }
    430 }
    431 
    432 static int is_supported_yuv_format(int format)
    433 {
    434     switch(format) {
    435         case HAL_PIXEL_FORMAT_YCbCr_420_SP:
    436         case HAL_PIXEL_FORMAT_YCrCb_420_SP:
    437         case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
    438         case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: {
    439             return COPYBIT_SUCCESS;
    440         }
    441         default:
    442             return COPYBIT_FAILURE;
    443     }
    444 }
    445 
    446 static int is_valid_destination_format(int format)
    447 {
    448     if (format == HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED) {
    449         // C2D does not support NV12Tile as a destination format.
    450         return COPYBIT_FAILURE;
    451     }
    452     return COPYBIT_SUCCESS;
    453 }
    454 
    455 static int calculate_yuv_offset_and_stride(const bufferInfo& info,
    456                                            yuvPlaneInfo& yuvInfo)
    457 {
    458     int width  = info.width;
    459     int height = info.height;
    460     int format = info.format;
    461 
    462     int aligned_height = 0;
    463     int aligned_width = 0, size = 0;
    464 
    465     switch (format) {
    466         case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: {
    467             /* NV12 Tile buffers have their luma height aligned to 32bytes and width
    468              * aligned to 128 bytes. The chroma offset starts at an 8K boundary
    469              */
    470             aligned_height = ALIGN(height, 32);
    471             aligned_width  = ALIGN(width, 128);
    472             size = aligned_width * aligned_height;
    473             yuvInfo.plane1_offset = ALIGN(size,8192);
    474             yuvInfo.yStride = aligned_width;
    475             yuvInfo.plane1_stride = aligned_width;
    476             break;
    477         }
    478         case HAL_PIXEL_FORMAT_YCbCr_420_SP:
    479         case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
    480         case HAL_PIXEL_FORMAT_YCrCb_420_SP: {
    481             aligned_width = ALIGN(width, 32);
    482             yuvInfo.yStride = aligned_width;
    483             yuvInfo.plane1_stride = aligned_width;
    484             if (HAL_PIXEL_FORMAT_NV12_ENCODEABLE == format) {
    485                 // The encoder requires a 2K aligned chroma offset
    486                 yuvInfo.plane1_offset = ALIGN(aligned_width * height, 2048);
    487             } else
    488                 yuvInfo.plane1_offset = aligned_width * height;
    489 
    490             break;
    491         }
    492         default: {
    493             return COPYBIT_FAILURE;
    494         }
    495     }
    496     return COPYBIT_SUCCESS;
    497 }
    498 
    499 /** create C2D surface from copybit image */
    500 static int set_image(copybit_context_t* ctx, uint32 surfaceId,
    501                       const struct copybit_image_t *rhs,
    502                       const eC2DFlags flags, int &mapped_idx)
    503 {
    504     struct private_handle_t* handle = (struct private_handle_t*)rhs->handle;
    505     C2D_SURFACE_TYPE surfaceType;
    506     int status = COPYBIT_SUCCESS;
    507     uint64_t gpuaddr = 0;
    508     int c2d_format;
    509     mapped_idx = -1;
    510 
    511     if (flags & FLAGS_YUV_DESTINATION) {
    512         c2d_format = get_c2d_format_for_yuv_destination(rhs->format);
    513     } else {
    514         c2d_format = get_format(rhs->format);
    515     }
    516 
    517     if(c2d_format == -EINVAL) {
    518         ALOGE("%s: invalid format", __FUNCTION__);
    519         return -EINVAL;
    520     }
    521 
    522     if(handle == NULL) {
    523         ALOGE("%s: invalid handle", __func__);
    524         return -EINVAL;
    525     }
    526 
    527     if (handle->gpuaddr == 0) {
    528         gpuaddr = c2d_get_gpuaddr(ctx, handle, mapped_idx);
    529         if(!gpuaddr) {
    530             ALOGE("%s: c2d_get_gpuaddr failed", __FUNCTION__);
    531             return COPYBIT_FAILURE;
    532         }
    533     } else {
    534         gpuaddr = handle->gpuaddr;
    535     }
    536 
    537     /* create C2D surface */
    538     if(is_supported_rgb_format(rhs->format) == COPYBIT_SUCCESS) {
    539         /* RGB */
    540         C2D_RGB_SURFACE_DEF surfaceDef;
    541 
    542         surfaceType = (C2D_SURFACE_TYPE) (C2D_SURFACE_RGB_HOST | C2D_SURFACE_WITH_PHYS);
    543 
    544         surfaceDef.phys = (void*) gpuaddr;
    545         surfaceDef.buffer = (void*) (handle->base);
    546 
    547         surfaceDef.format = c2d_format |
    548             ((flags & FLAGS_PREMULTIPLIED_ALPHA) ? C2D_FORMAT_PREMULTIPLIED : 0);
    549 
    550         surfaceDef.format = surfaceDef.format |
    551             ((flags & FLAGS_UBWC_FORMAT_MODE) ? C2D_FORMAT_UBWC_COMPRESSED : 0);
    552 
    553         surfaceDef.width = rhs->w;
    554         surfaceDef.height = rhs->h;
    555         int aligned_width = ALIGN((int)surfaceDef.width,32);
    556         surfaceDef.stride = (aligned_width * c2diGetBpp(surfaceDef.format))>>3;
    557 
    558         if(LINK_c2dUpdateSurface( surfaceId,C2D_TARGET | C2D_SOURCE, surfaceType,
    559                                   &surfaceDef)) {
    560             ALOGE("%s: RGB Surface c2dUpdateSurface ERROR", __FUNCTION__);
    561             unmap_gpuaddr(ctx, mapped_idx);
    562             status = COPYBIT_FAILURE;
    563         }
    564     } else if (is_supported_yuv_format(rhs->format) == COPYBIT_SUCCESS) {
    565         C2D_YUV_SURFACE_DEF surfaceDef;
    566         memset(&surfaceDef, 0, sizeof(surfaceDef));
    567         surfaceType = (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST | C2D_SURFACE_WITH_PHYS);
    568         surfaceDef.format = c2d_format;
    569 
    570         bufferInfo info;
    571         info.width = rhs->w;
    572         info.height = rhs->h;
    573         info.format = rhs->format;
    574 
    575         yuvPlaneInfo yuvInfo = {0};
    576         status = calculate_yuv_offset_and_stride(info, yuvInfo);
    577         if(status != COPYBIT_SUCCESS) {
    578             ALOGE("%s: calculate_yuv_offset_and_stride error", __FUNCTION__);
    579             unmap_gpuaddr(ctx, mapped_idx);
    580         }
    581 
    582         surfaceDef.width = rhs->w;
    583         surfaceDef.height = rhs->h;
    584         surfaceDef.plane0 = (void*) (handle->base);
    585         surfaceDef.phys0 = (void*) (gpuaddr);
    586         surfaceDef.stride0 = yuvInfo.yStride;
    587 
    588         surfaceDef.plane1 = (void*) (handle->base + yuvInfo.plane1_offset);
    589         surfaceDef.phys1 = (void*) (gpuaddr + yuvInfo.plane1_offset);
    590         surfaceDef.stride1 = yuvInfo.plane1_stride;
    591         if (3 == get_num_planes(rhs->format)) {
    592             surfaceDef.plane2 = (void*) (handle->base + yuvInfo.plane2_offset);
    593             surfaceDef.phys2 = (void*) (gpuaddr + yuvInfo.plane2_offset);
    594             surfaceDef.stride2 = yuvInfo.plane2_stride;
    595         }
    596 
    597         if(LINK_c2dUpdateSurface( surfaceId,C2D_TARGET | C2D_SOURCE, surfaceType,
    598                                   &surfaceDef)) {
    599             ALOGE("%s: YUV Surface c2dUpdateSurface ERROR", __FUNCTION__);
    600             unmap_gpuaddr(ctx, mapped_idx);
    601             status = COPYBIT_FAILURE;
    602         }
    603     } else {
    604         ALOGE("%s: invalid format 0x%x", __FUNCTION__, rhs->format);
    605         unmap_gpuaddr(ctx, mapped_idx);
    606         status = COPYBIT_FAILURE;
    607     }
    608 
    609     return status;
    610 }
    611 
    612 /** copy the bits */
    613 static int msm_copybit(struct copybit_context_t *ctx, unsigned int target)
    614 {
    615     if (ctx->blit_count == 0) {
    616         return COPYBIT_SUCCESS;
    617     }
    618 
    619     for (int i = 0; i < ctx->blit_count; i++)
    620     {
    621         ctx->blit_list[i].next = &(ctx->blit_list[i+1]);
    622     }
    623     ctx->blit_list[ctx->blit_count-1].next = NULL;
    624     uint32_t target_transform = ctx->trg_transform;
    625     if (ctx->c2d_driver_info.capabilities_mask &
    626         C2D_DRIVER_SUPPORTS_OVERRIDE_TARGET_ROTATE_OP) {
    627         // For A3xx - set 0x0 as the transform is set in the config_mask
    628         target_transform = 0x0;
    629     }
    630     if(LINK_c2dDraw(target, target_transform, 0x0, 0, 0, ctx->blit_list,
    631                     ctx->blit_count)) {
    632         ALOGE("%s: LINK_c2dDraw ERROR", __FUNCTION__);
    633         return COPYBIT_FAILURE;
    634     }
    635     return COPYBIT_SUCCESS;
    636 }
    637 
    638 
    639 
    640 static int flush_get_fence_copybit (struct copybit_device_t *dev, int* fd)
    641 {
    642     struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
    643     int status = COPYBIT_FAILURE;
    644     if (!ctx)
    645         return COPYBIT_FAILURE;
    646     pthread_mutex_lock(&ctx->wait_cleanup_lock);
    647     status = msm_copybit(ctx, ctx->dst[ctx->dst_surface_type]);
    648 
    649     if(LINK_c2dFlush(ctx->dst[ctx->dst_surface_type], &ctx->time_stamp)) {
    650         ALOGE("%s: LINK_c2dFlush ERROR", __FUNCTION__);
    651         // unlock the mutex and return failure
    652         pthread_mutex_unlock(&ctx->wait_cleanup_lock);
    653         return COPYBIT_FAILURE;
    654     }
    655     if(LINK_c2dCreateFenceFD(ctx->dst[ctx->dst_surface_type], ctx->time_stamp,
    656                                                                         fd)) {
    657         ALOGE("%s: LINK_c2dCreateFenceFD ERROR", __FUNCTION__);
    658         status = COPYBIT_FAILURE;
    659     }
    660     if(status == COPYBIT_SUCCESS) {
    661         //signal the wait_thread
    662         ctx->wait_timestamp = true;
    663         pthread_cond_signal(&ctx->wait_cleanup_cond);
    664     }
    665     pthread_mutex_unlock(&ctx->wait_cleanup_lock);
    666     return status;
    667 }
    668 
    669 static int finish_copybit(struct copybit_device_t *dev)
    670 {
    671     struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
    672     if (!ctx)
    673         return COPYBIT_FAILURE;
    674 
    675    int status = msm_copybit(ctx, ctx->dst[ctx->dst_surface_type]);
    676 
    677    if(LINK_c2dFinish(ctx->dst[ctx->dst_surface_type])) {
    678         ALOGE("%s: LINK_c2dFinish ERROR", __FUNCTION__);
    679         return COPYBIT_FAILURE;
    680     }
    681 
    682     // Unmap any mapped addresses.
    683     for (int i = 0; i < MAX_SURFACES; i++) {
    684         if (ctx->mapped_gpu_addr[i]) {
    685             LINK_c2dUnMapAddr( (void*)ctx->mapped_gpu_addr[i]);
    686             ctx->mapped_gpu_addr[i] = 0;
    687         }
    688     }
    689 
    690     // Reset the counts after the draw.
    691     ctx->blit_rgb_count = 0;
    692     ctx->blit_yuv_2_plane_count = 0;
    693     ctx->blit_yuv_3_plane_count = 0;
    694     ctx->blit_count = 0;
    695     ctx->dst_surface_mapped = false;
    696     ctx->dst_surface_base = 0;
    697 
    698     return status;
    699 }
    700 
    701 static int clear_copybit(struct copybit_device_t *dev,
    702                          struct copybit_image_t const *buf,
    703                          struct copybit_rect_t *rect)
    704 {
    705     int ret = COPYBIT_SUCCESS;
    706     int flags = FLAGS_PREMULTIPLIED_ALPHA;
    707     int mapped_dst_idx = -1;
    708     struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
    709     if (ctx->is_dst_ubwc_format)
    710         flags |= FLAGS_UBWC_FORMAT_MODE;
    711     C2D_RECT c2drect = {rect->l, rect->t, rect->r - rect->l, rect->b - rect->t};
    712     pthread_mutex_lock(&ctx->wait_cleanup_lock);
    713     if(!ctx->dst_surface_mapped) {
    714         ret = set_image(ctx, ctx->dst[RGB_SURFACE], buf,
    715                         (eC2DFlags)flags, mapped_dst_idx);
    716         if(ret) {
    717             ALOGE("%s: set_image error", __FUNCTION__);
    718             unmap_gpuaddr(ctx, mapped_dst_idx);
    719             pthread_mutex_unlock(&ctx->wait_cleanup_lock);
    720             return COPYBIT_FAILURE;
    721         }
    722         //clear_copybit is the first call made by HWC for each composition
    723         //with the dest surface, hence set dst_surface_mapped.
    724         ctx->dst_surface_mapped = true;
    725         ctx->dst_surface_base = buf->base;
    726         ret = LINK_c2dFillSurface(ctx->dst[RGB_SURFACE], 0x0, &c2drect);
    727     }
    728     pthread_mutex_unlock(&ctx->wait_cleanup_lock);
    729     return ret;
    730 }
    731 
    732 
    733 /** setup rectangles */
    734 static void set_rects(struct copybit_context_t *ctx,
    735                       C2D_OBJECT *c2dObject,
    736                       const struct copybit_rect_t *dst,
    737                       const struct copybit_rect_t *src,
    738                       const struct copybit_rect_t *scissor)
    739 {
    740     // Set the target rect.
    741     if((ctx->trg_transform & C2D_TARGET_ROTATE_90) &&
    742        (ctx->trg_transform & C2D_TARGET_ROTATE_180)) {
    743         /* target rotation is 270 */
    744         c2dObject->target_rect.x        = (dst->t)<<16;
    745         c2dObject->target_rect.y        = ctx->fb_width?
    746                 (ALIGN(ctx->fb_width,32)- dst->r):dst->r;
    747         c2dObject->target_rect.y        = c2dObject->target_rect.y<<16;
    748         c2dObject->target_rect.height   = ((dst->r) - (dst->l))<<16;
    749         c2dObject->target_rect.width    = ((dst->b) - (dst->t))<<16;
    750     } else if(ctx->trg_transform & C2D_TARGET_ROTATE_90) {
    751         c2dObject->target_rect.x        = ctx->fb_height?(ctx->fb_height - dst->b):dst->b;
    752         c2dObject->target_rect.x        = c2dObject->target_rect.x<<16;
    753         c2dObject->target_rect.y        = (dst->l)<<16;
    754         c2dObject->target_rect.height   = ((dst->r) - (dst->l))<<16;
    755         c2dObject->target_rect.width    = ((dst->b) - (dst->t))<<16;
    756     } else if(ctx->trg_transform & C2D_TARGET_ROTATE_180) {
    757         c2dObject->target_rect.y        = ctx->fb_height?(ctx->fb_height - dst->b):dst->b;
    758         c2dObject->target_rect.y        = c2dObject->target_rect.y<<16;
    759         c2dObject->target_rect.x        = ctx->fb_width?
    760                 (ALIGN(ctx->fb_width,32) - dst->r):dst->r;
    761         c2dObject->target_rect.x        = c2dObject->target_rect.x<<16;
    762         c2dObject->target_rect.height   = ((dst->b) - (dst->t))<<16;
    763         c2dObject->target_rect.width    = ((dst->r) - (dst->l))<<16;
    764     } else {
    765         c2dObject->target_rect.x        = (dst->l)<<16;
    766         c2dObject->target_rect.y        = (dst->t)<<16;
    767         c2dObject->target_rect.height   = ((dst->b) - (dst->t))<<16;
    768         c2dObject->target_rect.width    = ((dst->r) - (dst->l))<<16;
    769     }
    770     c2dObject->config_mask |= C2D_TARGET_RECT_BIT;
    771 
    772     // Set the source rect
    773     c2dObject->source_rect.x        = (src->l)<<16;
    774     c2dObject->source_rect.y        = (src->t)<<16;
    775     c2dObject->source_rect.height   = ((src->b) - (src->t))<<16;
    776     c2dObject->source_rect.width    = ((src->r) - (src->l))<<16;
    777     c2dObject->config_mask |= C2D_SOURCE_RECT_BIT;
    778 
    779     // Set the scissor rect
    780     c2dObject->scissor_rect.x       = scissor->l;
    781     c2dObject->scissor_rect.y       = scissor->t;
    782     c2dObject->scissor_rect.height  = (scissor->b) - (scissor->t);
    783     c2dObject->scissor_rect.width   = (scissor->r) - (scissor->l);
    784     c2dObject->config_mask |= C2D_SCISSOR_RECT_BIT;
    785 }
    786 
    787 /*****************************************************************************/
    788 
    789 /** Set a parameter to value */
    790 static int set_parameter_copybit(
    791     struct copybit_device_t *dev,
    792     int name,
    793     int value)
    794 {
    795     struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
    796     int status = COPYBIT_SUCCESS;
    797     if (!ctx) {
    798         ALOGE("%s: null context", __FUNCTION__);
    799         return -EINVAL;
    800     }
    801 
    802     pthread_mutex_lock(&ctx->wait_cleanup_lock);
    803     switch(name) {
    804         case COPYBIT_PLANE_ALPHA:
    805         {
    806             if (value < 0)      value = 0;
    807             if (value >= 256)   value = 255;
    808 
    809             ctx->src_global_alpha = value;
    810             if (value < 255)
    811                 ctx->config_mask |= C2D_GLOBAL_ALPHA_BIT;
    812             else
    813                 ctx->config_mask &= ~C2D_GLOBAL_ALPHA_BIT;
    814         }
    815         break;
    816         case COPYBIT_BLEND_MODE:
    817         {
    818             if (value == COPYBIT_BLENDING_NONE) {
    819                 ctx->config_mask |= C2D_ALPHA_BLEND_NONE;
    820                 ctx->is_premultiplied_alpha = true;
    821             } else if (value == COPYBIT_BLENDING_PREMULT) {
    822                 ctx->is_premultiplied_alpha = true;
    823             } else {
    824                 ctx->config_mask &= ~C2D_ALPHA_BLEND_NONE;
    825             }
    826         }
    827         break;
    828         case COPYBIT_TRANSFORM:
    829         {
    830             unsigned int transform = 0;
    831             uint32 config_mask = 0;
    832             config_mask |= C2D_OVERRIDE_GLOBAL_TARGET_ROTATE_CONFIG;
    833             if((value & 0x7) == COPYBIT_TRANSFORM_ROT_180) {
    834                 transform = C2D_TARGET_ROTATE_180;
    835                 config_mask |= C2D_OVERRIDE_TARGET_ROTATE_180;
    836             } else if((value & 0x7) == COPYBIT_TRANSFORM_ROT_270) {
    837                 transform = C2D_TARGET_ROTATE_90;
    838                 config_mask |= C2D_OVERRIDE_TARGET_ROTATE_90;
    839             } else if(value == COPYBIT_TRANSFORM_ROT_90) {
    840                 transform = C2D_TARGET_ROTATE_270;
    841                 config_mask |= C2D_OVERRIDE_TARGET_ROTATE_270;
    842             } else {
    843                 config_mask |= C2D_OVERRIDE_TARGET_ROTATE_0;
    844                 if(value & COPYBIT_TRANSFORM_FLIP_H) {
    845                     config_mask |= C2D_MIRROR_H_BIT;
    846                 } else if(value & COPYBIT_TRANSFORM_FLIP_V) {
    847                     config_mask |= C2D_MIRROR_V_BIT;
    848                 }
    849             }
    850 
    851             if (ctx->c2d_driver_info.capabilities_mask &
    852                 C2D_DRIVER_SUPPORTS_OVERRIDE_TARGET_ROTATE_OP) {
    853                 ctx->config_mask |= config_mask;
    854             } else {
    855                 // The transform for this surface does not match the current
    856                 // target transform. Draw all previous surfaces. This will be
    857                 // changed once we have a new mechanism to send different
    858                 // target rotations to c2d.
    859                 finish_copybit(dev);
    860             }
    861             ctx->trg_transform = transform;
    862         }
    863         break;
    864         case COPYBIT_FRAMEBUFFER_WIDTH:
    865             ctx->fb_width = value;
    866             break;
    867         case COPYBIT_FRAMEBUFFER_HEIGHT:
    868             ctx->fb_height = value;
    869             break;
    870         case COPYBIT_ROTATION_DEG:
    871         case COPYBIT_DITHER:
    872         case COPYBIT_BLUR:
    873         case COPYBIT_BLIT_TO_FRAMEBUFFER:
    874             // Do nothing
    875             break;
    876         case COPYBIT_SRC_FORMAT_MODE:
    877             ctx->is_src_ubwc_format = (value == COPYBIT_UBWC_COMPRESSED);
    878             break;
    879         case COPYBIT_DST_FORMAT_MODE:
    880             ctx->is_dst_ubwc_format = (value == COPYBIT_UBWC_COMPRESSED);
    881             break;
    882         default:
    883             ALOGE("%s: default case param=0x%x", __FUNCTION__, name);
    884             status = -EINVAL;
    885             break;
    886     }
    887     pthread_mutex_unlock(&ctx->wait_cleanup_lock);
    888     return status;
    889 }
    890 
    891 /** Get a static info value */
    892 static int get(struct copybit_device_t *dev, int name)
    893 {
    894     struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
    895     int value;
    896 
    897     if (!ctx) {
    898         ALOGE("%s: null context error", __FUNCTION__);
    899         return -EINVAL;
    900     }
    901 
    902     switch(name) {
    903         case COPYBIT_MINIFICATION_LIMIT:
    904             value = MAX_SCALE_FACTOR;
    905             break;
    906         case COPYBIT_MAGNIFICATION_LIMIT:
    907             value = MAX_SCALE_FACTOR;
    908             break;
    909         case COPYBIT_SCALING_FRAC_BITS:
    910             value = 32;
    911             break;
    912         case COPYBIT_ROTATION_STEP_DEG:
    913             value = 1;
    914             break;
    915         case COPYBIT_UBWC_SUPPORT:
    916             value = 0;
    917             if (ctx->c2d_driver_info.capabilities_mask & C2D_DRIVER_SUPPORTS_UBWC_COMPRESSED_OP) {
    918                 value = 1;
    919             }
    920             break;
    921         default:
    922             ALOGE("%s: default case param=0x%x", __FUNCTION__, name);
    923             value = -EINVAL;
    924     }
    925     return value;
    926 }
    927 
    928 /* Function to check if we need a temporary buffer for the blit.
    929  * This would happen if the requested destination stride and the
    930  * C2D stride do not match. We ignore RGB buffers, since their
    931  * stride is always aligned to 32.
    932  */
    933 static bool need_temp_buffer(struct copybit_image_t const *img)
    934 {
    935     if (COPYBIT_SUCCESS == is_supported_rgb_format(img->format))
    936         return false;
    937 
    938     struct private_handle_t* handle = (struct private_handle_t*)img->handle;
    939 
    940     // The width parameter in the handle contains the aligned_w. We check if we
    941     // need to convert based on this param. YUV formats have bpp=1, so checking
    942     // if the requested stride is aligned should suffice.
    943     if (0 == (handle->width)%32) {
    944         return false;
    945     }
    946 
    947     return true;
    948 }
    949 
    950 /* Function to extract the information from the copybit image and set the corresponding
    951  * values in the bufferInfo struct.
    952  */
    953 static void populate_buffer_info(struct copybit_image_t const *img, bufferInfo& info)
    954 {
    955     info.width = img->w;
    956     info.height = img->h;
    957     info.format = img->format;
    958 }
    959 
    960 /* Function to get the required size for a particular format, inorder for C2D to perform
    961  * the blit operation.
    962  */
    963 static int get_size(const bufferInfo& info)
    964 {
    965     int size = 0;
    966     int w = info.width;
    967     int h = info.height;
    968     int aligned_w = ALIGN(w, 32);
    969     switch(info.format) {
    970         case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
    971             {
    972                 // Chroma for this format is aligned to 2K.
    973                 size = ALIGN((aligned_w*h), 2048) +
    974                         ALIGN(aligned_w/2, 32) * (h/2) *2;
    975                 size = ALIGN(size, 4096);
    976             } break;
    977         case HAL_PIXEL_FORMAT_YCbCr_420_SP:
    978         case HAL_PIXEL_FORMAT_YCrCb_420_SP:
    979             {
    980                 size = aligned_w * h +
    981                        ALIGN(aligned_w/2, 32) * (h/2) * 2;
    982                 size = ALIGN(size, 4096);
    983             } break;
    984         default: break;
    985     }
    986     return size;
    987 }
    988 
    989 /* Function to allocate memory for the temporary buffer. This memory is
    990  * allocated from Ashmem. It is the caller's responsibility to free this
    991  * memory.
    992  */
    993 static int get_temp_buffer(const bufferInfo& info, alloc_data& data)
    994 {
    995     ALOGD("%s E", __FUNCTION__);
    996     // Alloc memory from system heap
    997     data.base = 0;
    998     data.fd = -1;
    999     data.offset = 0;
   1000     data.size = get_size(info);
   1001     data.align = getpagesize();
   1002     data.uncached = true;
   1003     int allocFlags = 0;
   1004 
   1005     if (sAlloc == 0) {
   1006         sAlloc = gralloc::IAllocController::getInstance();
   1007     }
   1008 
   1009     if (sAlloc == 0) {
   1010         ALOGE("%s: sAlloc is still NULL", __FUNCTION__);
   1011         return COPYBIT_FAILURE;
   1012     }
   1013 
   1014     int err = sAlloc->allocate(data, allocFlags);
   1015     if (0 != err) {
   1016         ALOGE("%s: allocate failed", __FUNCTION__);
   1017         return COPYBIT_FAILURE;
   1018     }
   1019 
   1020     ALOGD("%s X", __FUNCTION__);
   1021     return err;
   1022 }
   1023 
   1024 /* Function to free the temporary allocated memory.*/
   1025 static void free_temp_buffer(alloc_data &data)
   1026 {
   1027     if (-1 != data.fd) {
   1028         IMemAlloc* memalloc = sAlloc->getAllocator(data.allocType);
   1029         memalloc->free_buffer(data.base, data.size, 0, data.fd);
   1030     }
   1031 }
   1032 
   1033 /* Function to perform the software color conversion. Convert the
   1034  * C2D compatible format to the Android compatible format
   1035  */
   1036 static int copy_image(private_handle_t *src_handle,
   1037                       struct copybit_image_t const *rhs,
   1038                       eConversionType conversionType)
   1039 {
   1040     if (src_handle->fd == -1) {
   1041         ALOGE("%s: src_handle fd is invalid", __FUNCTION__);
   1042         return COPYBIT_FAILURE;
   1043     }
   1044 
   1045     // Copy the info.
   1046     int ret = COPYBIT_SUCCESS;
   1047     switch(rhs->format) {
   1048         case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
   1049         case HAL_PIXEL_FORMAT_YCbCr_420_SP:
   1050         case HAL_PIXEL_FORMAT_YCrCb_420_SP:
   1051             {
   1052                 if (CONVERT_TO_ANDROID_FORMAT == conversionType) {
   1053                     return convert_yuv_c2d_to_yuv_android(src_handle, rhs);
   1054                 } else {
   1055                     return convert_yuv_android_to_yuv_c2d(src_handle, rhs);
   1056                 }
   1057 
   1058             } break;
   1059         default: {
   1060             ALOGE("%s: invalid format 0x%x", __FUNCTION__, rhs->format);
   1061             ret = COPYBIT_FAILURE;
   1062         } break;
   1063     }
   1064     return ret;
   1065 }
   1066 
   1067 static void delete_handle(private_handle_t *handle)
   1068 {
   1069     if (handle) {
   1070         delete handle;
   1071         handle = 0;
   1072     }
   1073 }
   1074 
   1075 static bool need_to_execute_draw(eC2DFlags flags)
   1076 {
   1077     if (flags & FLAGS_TEMP_SRC_DST) {
   1078         return true;
   1079     }
   1080     if (flags & FLAGS_YUV_DESTINATION) {
   1081         return true;
   1082     }
   1083     return false;
   1084 }
   1085 
   1086 /** do a stretch blit type operation */
   1087 static int stretch_copybit_internal(
   1088     struct copybit_device_t *dev,
   1089     struct copybit_image_t const *dst,
   1090     struct copybit_image_t const *src,
   1091     struct copybit_rect_t const *dst_rect,
   1092     struct copybit_rect_t const *src_rect,
   1093     struct copybit_region_t const *region,
   1094     bool enableBlend)
   1095 {
   1096     struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
   1097     int status = COPYBIT_SUCCESS;
   1098     int flags = 0;
   1099     int src_surface_type;
   1100     int mapped_src_idx = -1, mapped_dst_idx = -1;
   1101     C2D_OBJECT_STR src_surface;
   1102 
   1103     if (!ctx) {
   1104         ALOGE("%s: null context error", __FUNCTION__);
   1105         return -EINVAL;
   1106     }
   1107 
   1108     if (src->w > MAX_DIMENSION || src->h > MAX_DIMENSION) {
   1109         ALOGE("%s: src dimension error", __FUNCTION__);
   1110         return -EINVAL;
   1111     }
   1112 
   1113     if (dst->w > MAX_DIMENSION || dst->h > MAX_DIMENSION) {
   1114         ALOGE("%s : dst dimension error dst w %d h %d",  __FUNCTION__, dst->w,
   1115                                                          dst->h);
   1116         return -EINVAL;
   1117     }
   1118 
   1119     if (is_valid_destination_format(dst->format) == COPYBIT_FAILURE) {
   1120         ALOGE("%s: Invalid destination format format = 0x%x", __FUNCTION__,
   1121                                                               dst->format);
   1122         return COPYBIT_FAILURE;
   1123     }
   1124 
   1125     int dst_surface_type;
   1126     if (ctx->is_dst_ubwc_format)
   1127         flags |= FLAGS_UBWC_FORMAT_MODE;
   1128 
   1129     if (is_supported_rgb_format(dst->format) == COPYBIT_SUCCESS) {
   1130         dst_surface_type = RGB_SURFACE;
   1131         flags |= FLAGS_PREMULTIPLIED_ALPHA;
   1132     } else if (is_supported_yuv_format(dst->format) == COPYBIT_SUCCESS) {
   1133         int num_planes = get_num_planes(dst->format);
   1134         flags |= FLAGS_YUV_DESTINATION;
   1135         if (num_planes == 2) {
   1136             dst_surface_type = YUV_SURFACE_2_PLANES;
   1137         } else if (num_planes == 3) {
   1138             dst_surface_type = YUV_SURFACE_3_PLANES;
   1139         } else {
   1140             ALOGE("%s: dst number of YUV planes is invalid dst format = 0x%x",
   1141                   __FUNCTION__, dst->format);
   1142             return COPYBIT_FAILURE;
   1143         }
   1144     } else {
   1145         ALOGE("%s: Invalid dst surface format 0x%x", __FUNCTION__,
   1146                                                      dst->format);
   1147         return COPYBIT_FAILURE;
   1148     }
   1149 
   1150     if (ctx->blit_rgb_count == MAX_RGB_SURFACES ||
   1151         ctx->blit_yuv_2_plane_count == MAX_YUV_2_PLANE_SURFACES ||
   1152         ctx->blit_yuv_3_plane_count == MAX_YUV_2_PLANE_SURFACES ||
   1153         ctx->blit_count == MAX_BLIT_OBJECT_COUNT ||
   1154         ctx->dst_surface_type != dst_surface_type) {
   1155         // we have reached the max. limits of our internal structures or
   1156         // changed the target.
   1157         // Draw the remaining surfaces. We need to do the finish here since
   1158         // we need to free up the surface templates.
   1159         finish_copybit(dev);
   1160     }
   1161 
   1162     ctx->dst_surface_type = dst_surface_type;
   1163 
   1164     // Update the destination
   1165     copybit_image_t dst_image;
   1166     dst_image.w = dst->w;
   1167     dst_image.h = dst->h;
   1168     dst_image.format = dst->format;
   1169     dst_image.handle = dst->handle;
   1170     // Check if we need a temp. copy for the destination. We'd need this the destination
   1171     // width is not aligned to 32. This case occurs for YUV formats. RGB formats are
   1172     // aligned to 32.
   1173     bool need_temp_dst = need_temp_buffer(dst);
   1174     bufferInfo dst_info;
   1175     populate_buffer_info(dst, dst_info);
   1176     private_handle_t* dst_hnd = new private_handle_t(-1, 0, 0, 0, dst_info.format,
   1177                                                      dst_info.width, dst_info.height);
   1178     if (dst_hnd == NULL) {
   1179         ALOGE("%s: dst_hnd is null", __FUNCTION__);
   1180         return COPYBIT_FAILURE;
   1181     }
   1182     if (need_temp_dst) {
   1183         if (get_size(dst_info) != (int) ctx->temp_dst_buffer.size) {
   1184             free_temp_buffer(ctx->temp_dst_buffer);
   1185             // Create a temp buffer and set that as the destination.
   1186             if (COPYBIT_FAILURE == get_temp_buffer(dst_info, ctx->temp_dst_buffer)) {
   1187                 ALOGE("%s: get_temp_buffer(dst) failed", __FUNCTION__);
   1188                 delete_handle(dst_hnd);
   1189                 return COPYBIT_FAILURE;
   1190             }
   1191         }
   1192         dst_hnd->fd = ctx->temp_dst_buffer.fd;
   1193         dst_hnd->size = ctx->temp_dst_buffer.size;
   1194         dst_hnd->flags = ctx->temp_dst_buffer.allocType;
   1195         dst_hnd->base = (uintptr_t)(ctx->temp_dst_buffer.base);
   1196         dst_hnd->offset = ctx->temp_dst_buffer.offset;
   1197         dst_hnd->gpuaddr = 0;
   1198         dst_image.handle = dst_hnd;
   1199     }
   1200     if(!ctx->dst_surface_mapped) {
   1201         //map the destination surface to GPU address
   1202         status = set_image(ctx, ctx->dst[ctx->dst_surface_type], &dst_image,
   1203                            (eC2DFlags)flags, mapped_dst_idx);
   1204         if(status) {
   1205             ALOGE("%s: dst: set_image error", __FUNCTION__);
   1206             delete_handle(dst_hnd);
   1207             unmap_gpuaddr(ctx, mapped_dst_idx);
   1208             return COPYBIT_FAILURE;
   1209         }
   1210         ctx->dst_surface_mapped = true;
   1211         ctx->dst_surface_base = dst->base;
   1212     } else if(ctx->dst_surface_mapped && ctx->dst_surface_base != dst->base) {
   1213         // Destination surface for the operation should be same for multiple
   1214         // requests, this check is catch if there is any case when the
   1215         // destination changes
   1216         ALOGE("%s: a different destination surface!!", __FUNCTION__);
   1217     }
   1218 
   1219     // Update the source
   1220     flags = 0;
   1221     if(is_supported_rgb_format(src->format) == COPYBIT_SUCCESS) {
   1222         src_surface_type = RGB_SURFACE;
   1223         src_surface = ctx->blit_rgb_object[ctx->blit_rgb_count];
   1224     } else if (is_supported_yuv_format(src->format) == COPYBIT_SUCCESS) {
   1225         int num_planes = get_num_planes(src->format);
   1226         if (num_planes == 2) {
   1227             src_surface_type = YUV_SURFACE_2_PLANES;
   1228             src_surface = ctx->blit_yuv_2_plane_object[ctx->blit_yuv_2_plane_count];
   1229         } else if (num_planes == 3) {
   1230             src_surface_type = YUV_SURFACE_3_PLANES;
   1231             src_surface = ctx->blit_yuv_3_plane_object[ctx->blit_yuv_2_plane_count];
   1232         } else {
   1233             ALOGE("%s: src number of YUV planes is invalid src format = 0x%x",
   1234                   __FUNCTION__, src->format);
   1235             delete_handle(dst_hnd);
   1236             unmap_gpuaddr(ctx, mapped_dst_idx);
   1237             return -EINVAL;
   1238         }
   1239     } else {
   1240         ALOGE("%s: Invalid source surface format 0x%x", __FUNCTION__,
   1241                                                         src->format);
   1242         delete_handle(dst_hnd);
   1243         unmap_gpuaddr(ctx, mapped_dst_idx);
   1244         return -EINVAL;
   1245     }
   1246 
   1247     copybit_image_t src_image;
   1248     src_image.w = src->w;
   1249     src_image.h = src->h;
   1250     src_image.format = src->format;
   1251     src_image.handle = src->handle;
   1252 
   1253     bool need_temp_src = need_temp_buffer(src);
   1254     bufferInfo src_info;
   1255     populate_buffer_info(src, src_info);
   1256     private_handle_t* src_hnd = new private_handle_t(-1, 0, 0, 0, src_info.format,
   1257                                                  src_info.width, src_info.height);
   1258     if (NULL == src_hnd) {
   1259         ALOGE("%s: src_hnd is null", __FUNCTION__);
   1260         delete_handle(dst_hnd);
   1261         unmap_gpuaddr(ctx, mapped_dst_idx);
   1262         return COPYBIT_FAILURE;
   1263     }
   1264     if (need_temp_src) {
   1265         if (get_size(src_info) != (int) ctx->temp_src_buffer.size) {
   1266             free_temp_buffer(ctx->temp_src_buffer);
   1267             // Create a temp buffer and set that as the destination.
   1268             if (COPYBIT_SUCCESS != get_temp_buffer(src_info,
   1269                                                ctx->temp_src_buffer)) {
   1270                 ALOGE("%s: get_temp_buffer(src) failed", __FUNCTION__);
   1271                 delete_handle(dst_hnd);
   1272                 delete_handle(src_hnd);
   1273                 unmap_gpuaddr(ctx, mapped_dst_idx);
   1274                 return COPYBIT_FAILURE;
   1275             }
   1276         }
   1277         src_hnd->fd = ctx->temp_src_buffer.fd;
   1278         src_hnd->size = ctx->temp_src_buffer.size;
   1279         src_hnd->flags = ctx->temp_src_buffer.allocType;
   1280         src_hnd->base = (uintptr_t)(ctx->temp_src_buffer.base);
   1281         src_hnd->offset = ctx->temp_src_buffer.offset;
   1282         src_hnd->gpuaddr = 0;
   1283         src_image.handle = src_hnd;
   1284 
   1285         // Copy the source.
   1286         status = copy_image((private_handle_t *)src->handle, &src_image,
   1287                                 CONVERT_TO_C2D_FORMAT);
   1288         if (status == COPYBIT_FAILURE) {
   1289             ALOGE("%s:copy_image failed in temp source",__FUNCTION__);
   1290             delete_handle(dst_hnd);
   1291             delete_handle(src_hnd);
   1292             unmap_gpuaddr(ctx, mapped_dst_idx);
   1293             return status;
   1294         }
   1295 
   1296         // Clean the cache
   1297         IMemAlloc* memalloc = sAlloc->getAllocator(src_hnd->flags);
   1298         if (memalloc->clean_buffer((void *)(src_hnd->base), src_hnd->size,
   1299                                    src_hnd->offset, src_hnd->fd,
   1300                                    gralloc::CACHE_CLEAN)) {
   1301             ALOGE("%s: clean_buffer failed", __FUNCTION__);
   1302             delete_handle(dst_hnd);
   1303             delete_handle(src_hnd);
   1304             unmap_gpuaddr(ctx, mapped_dst_idx);
   1305             return COPYBIT_FAILURE;
   1306         }
   1307     }
   1308 
   1309     flags |= (ctx->is_premultiplied_alpha) ? FLAGS_PREMULTIPLIED_ALPHA : 0;
   1310     flags |= (ctx->dst_surface_type != RGB_SURFACE) ? FLAGS_YUV_DESTINATION : 0;
   1311     flags |= (ctx->is_src_ubwc_format) ? FLAGS_UBWC_FORMAT_MODE : 0;
   1312     status = set_image(ctx, src_surface.surface_id, &src_image,
   1313                        (eC2DFlags)flags, mapped_src_idx);
   1314     if(status) {
   1315         ALOGE("%s: set_image (src) error", __FUNCTION__);
   1316         delete_handle(dst_hnd);
   1317         delete_handle(src_hnd);
   1318         unmap_gpuaddr(ctx, mapped_dst_idx);
   1319         unmap_gpuaddr(ctx, mapped_src_idx);
   1320         return COPYBIT_FAILURE;
   1321     }
   1322 
   1323     src_surface.config_mask = C2D_NO_ANTIALIASING_BIT | ctx->config_mask;
   1324     src_surface.global_alpha = ctx->src_global_alpha;
   1325     if (enableBlend) {
   1326         if(src_surface.config_mask & C2D_GLOBAL_ALPHA_BIT) {
   1327             src_surface.config_mask &= ~C2D_ALPHA_BLEND_NONE;
   1328             if(!(src_surface.global_alpha)) {
   1329                 // src alpha is zero
   1330                 delete_handle(dst_hnd);
   1331                 delete_handle(src_hnd);
   1332                 unmap_gpuaddr(ctx, mapped_dst_idx);
   1333                 unmap_gpuaddr(ctx, mapped_src_idx);
   1334                 return COPYBIT_FAILURE;
   1335             }
   1336         }
   1337     } else {
   1338         src_surface.config_mask |= C2D_ALPHA_BLEND_NONE;
   1339     }
   1340 
   1341     if (src_surface_type == RGB_SURFACE) {
   1342         ctx->blit_rgb_object[ctx->blit_rgb_count] = src_surface;
   1343         ctx->blit_rgb_count++;
   1344     } else if (src_surface_type == YUV_SURFACE_2_PLANES) {
   1345         ctx->blit_yuv_2_plane_object[ctx->blit_yuv_2_plane_count] = src_surface;
   1346         ctx->blit_yuv_2_plane_count++;
   1347     } else {
   1348         ctx->blit_yuv_3_plane_object[ctx->blit_yuv_3_plane_count] = src_surface;
   1349         ctx->blit_yuv_3_plane_count++;
   1350     }
   1351 
   1352     struct copybit_rect_t clip;
   1353     while ((status == 0) && region->next(region, &clip)) {
   1354         set_rects(ctx, &(src_surface), dst_rect, src_rect, &clip);
   1355         if (ctx->blit_count == MAX_BLIT_OBJECT_COUNT) {
   1356             ALOGW("Reached end of blit count");
   1357             finish_copybit(dev);
   1358         }
   1359         ctx->blit_list[ctx->blit_count] = src_surface;
   1360         ctx->blit_count++;
   1361     }
   1362 
   1363     // Check if we need to perform an early draw-finish.
   1364     flags |= (need_temp_dst || need_temp_src) ? FLAGS_TEMP_SRC_DST : 0;
   1365     if (need_to_execute_draw((eC2DFlags)flags))
   1366     {
   1367         finish_copybit(dev);
   1368     }
   1369 
   1370     if (need_temp_dst) {
   1371         // copy the temp. destination without the alignment to the actual
   1372         // destination.
   1373         status = copy_image(dst_hnd, dst, CONVERT_TO_ANDROID_FORMAT);
   1374         if (status == COPYBIT_FAILURE) {
   1375             ALOGE("%s:copy_image failed in temp Dest",__FUNCTION__);
   1376             delete_handle(dst_hnd);
   1377             delete_handle(src_hnd);
   1378             unmap_gpuaddr(ctx, mapped_dst_idx);
   1379             unmap_gpuaddr(ctx, mapped_src_idx);
   1380             return status;
   1381         }
   1382         // Clean the cache.
   1383         IMemAlloc* memalloc = sAlloc->getAllocator(dst_hnd->flags);
   1384         memalloc->clean_buffer((void *)(dst_hnd->base), dst_hnd->size,
   1385                                dst_hnd->offset, dst_hnd->fd,
   1386                                gralloc::CACHE_CLEAN);
   1387     }
   1388     delete_handle(dst_hnd);
   1389     delete_handle(src_hnd);
   1390 
   1391     ctx->is_premultiplied_alpha = false;
   1392     ctx->fb_width = 0;
   1393     ctx->fb_height = 0;
   1394     ctx->config_mask = 0;
   1395     return status;
   1396 }
   1397 
   1398 static int set_sync_copybit(struct copybit_device_t *dev,
   1399     int /*acquireFenceFd*/)
   1400 {
   1401     if(!dev)
   1402         return -EINVAL;
   1403 
   1404     return 0;
   1405 }
   1406 
   1407 static int stretch_copybit(
   1408     struct copybit_device_t *dev,
   1409     struct copybit_image_t const *dst,
   1410     struct copybit_image_t const *src,
   1411     struct copybit_rect_t const *dst_rect,
   1412     struct copybit_rect_t const *src_rect,
   1413     struct copybit_region_t const *region)
   1414 {
   1415     struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
   1416     int status = COPYBIT_SUCCESS;
   1417     bool needsBlending = (ctx->src_global_alpha != 0);
   1418     pthread_mutex_lock(&ctx->wait_cleanup_lock);
   1419     status = stretch_copybit_internal(dev, dst, src, dst_rect, src_rect,
   1420                                     region, needsBlending);
   1421     pthread_mutex_unlock(&ctx->wait_cleanup_lock);
   1422     return status;
   1423 }
   1424 
   1425 /** Perform a blit type operation */
   1426 static int blit_copybit(
   1427     struct copybit_device_t *dev,
   1428     struct copybit_image_t const *dst,
   1429     struct copybit_image_t const *src,
   1430     struct copybit_region_t const *region)
   1431 {
   1432     int status = COPYBIT_SUCCESS;
   1433     struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
   1434     struct copybit_rect_t dr = { 0, 0, (int)dst->w, (int)dst->h };
   1435     struct copybit_rect_t sr = { 0, 0, (int)src->w, (int)src->h };
   1436     pthread_mutex_lock(&ctx->wait_cleanup_lock);
   1437     status = stretch_copybit_internal(dev, dst, src, &dr, &sr, region, false);
   1438     pthread_mutex_unlock(&ctx->wait_cleanup_lock);
   1439     return status;
   1440 }
   1441 
   1442 /** Fill the rect on dst with RGBA color **/
   1443 static int fill_color(struct copybit_device_t *dev,
   1444                       struct copybit_image_t const *dst,
   1445                       struct copybit_rect_t const *rect,
   1446                       uint32_t /*color*/)
   1447 {
   1448     // TODO: Implement once c2d driver supports color fill
   1449     if(!dev || !dst || !rect)
   1450        return -EINVAL;
   1451 
   1452     return -EINVAL;
   1453 }
   1454 
   1455 /*****************************************************************************/
   1456 
   1457 static void clean_up(copybit_context_t* ctx)
   1458 {
   1459     void* ret;
   1460     if (!ctx)
   1461         return;
   1462 
   1463     // stop the wait_cleanup_thread
   1464     pthread_mutex_lock(&ctx->wait_cleanup_lock);
   1465     ctx->stop_thread = true;
   1466     // Signal waiting thread
   1467     pthread_cond_signal(&ctx->wait_cleanup_cond);
   1468     pthread_mutex_unlock(&ctx->wait_cleanup_lock);
   1469     // waits for the cleanup thread to exit
   1470     pthread_join(ctx->wait_thread_id, &ret);
   1471     pthread_mutex_destroy(&ctx->wait_cleanup_lock);
   1472     pthread_cond_destroy (&ctx->wait_cleanup_cond);
   1473 
   1474     for (int i = 0; i < NUM_SURFACE_TYPES; i++) {
   1475         if (ctx->dst[i])
   1476             LINK_c2dDestroySurface(ctx->dst[i]);
   1477     }
   1478 
   1479     for (int i = 0; i < MAX_RGB_SURFACES; i++) {
   1480         if (ctx->blit_rgb_object[i].surface_id)
   1481             LINK_c2dDestroySurface(ctx->blit_rgb_object[i].surface_id);
   1482     }
   1483 
   1484     for (int i = 0; i < MAX_YUV_2_PLANE_SURFACES; i++) {
   1485         if (ctx->blit_yuv_2_plane_object[i].surface_id)
   1486             LINK_c2dDestroySurface(ctx->blit_yuv_2_plane_object[i].surface_id);
   1487     }
   1488 
   1489     for (int i = 0; i < MAX_YUV_3_PLANE_SURFACES; i++) {
   1490         if (ctx->blit_yuv_3_plane_object[i].surface_id)
   1491             LINK_c2dDestroySurface(ctx->blit_yuv_3_plane_object[i].surface_id);
   1492     }
   1493 
   1494     if (ctx->libc2d2) {
   1495         ::dlclose(ctx->libc2d2);
   1496         ALOGV("dlclose(libc2d2)");
   1497     }
   1498 
   1499     free(ctx);
   1500 }
   1501 
   1502 /** Close the copybit device */
   1503 static int close_copybit(struct hw_device_t *dev)
   1504 {
   1505     struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
   1506     if (ctx) {
   1507         free_temp_buffer(ctx->temp_src_buffer);
   1508         free_temp_buffer(ctx->temp_dst_buffer);
   1509     }
   1510     clean_up(ctx);
   1511     return 0;
   1512 }
   1513 
   1514 /** Open a new instance of a copybit device using name */
   1515 static int open_copybit(const struct hw_module_t* module, const char* name,
   1516                         struct hw_device_t** device)
   1517 {
   1518     int status = COPYBIT_SUCCESS;
   1519     if (strcmp(name, COPYBIT_HARDWARE_COPYBIT0)) {
   1520         return COPYBIT_FAILURE;
   1521     }
   1522 
   1523     C2D_RGB_SURFACE_DEF surfDefinition = {0};
   1524     C2D_YUV_SURFACE_DEF yuvSurfaceDef = {0} ;
   1525     struct copybit_context_t *ctx;
   1526 
   1527     ctx = (struct copybit_context_t *)malloc(sizeof(struct copybit_context_t));
   1528     if(!ctx) {
   1529         ALOGE("%s: malloc failed", __FUNCTION__);
   1530         return COPYBIT_FAILURE;
   1531     }
   1532 
   1533     /* initialize drawstate */
   1534     memset(ctx, 0, sizeof(*ctx));
   1535     ctx->libc2d2 = ::dlopen("libC2D2.so", RTLD_NOW);
   1536     if (!ctx->libc2d2) {
   1537         ALOGE("FATAL ERROR: could not dlopen libc2d2.so: %s", dlerror());
   1538         clean_up(ctx);
   1539         status = COPYBIT_FAILURE;
   1540         *device = NULL;
   1541         return status;
   1542     }
   1543     *(void **)&LINK_c2dCreateSurface = ::dlsym(ctx->libc2d2,
   1544                                                "c2dCreateSurface");
   1545     *(void **)&LINK_c2dUpdateSurface = ::dlsym(ctx->libc2d2,
   1546                                                "c2dUpdateSurface");
   1547     *(void **)&LINK_c2dReadSurface = ::dlsym(ctx->libc2d2,
   1548                                              "c2dReadSurface");
   1549     *(void **)&LINK_c2dDraw = ::dlsym(ctx->libc2d2, "c2dDraw");
   1550     *(void **)&LINK_c2dFlush = ::dlsym(ctx->libc2d2, "c2dFlush");
   1551     *(void **)&LINK_c2dFinish = ::dlsym(ctx->libc2d2, "c2dFinish");
   1552     *(void **)&LINK_c2dWaitTimestamp = ::dlsym(ctx->libc2d2,
   1553                                                "c2dWaitTimestamp");
   1554     *(void **)&LINK_c2dDestroySurface = ::dlsym(ctx->libc2d2,
   1555                                                 "c2dDestroySurface");
   1556     *(void **)&LINK_c2dMapAddr = ::dlsym(ctx->libc2d2,
   1557                                          "c2dMapAddr");
   1558     *(void **)&LINK_c2dUnMapAddr = ::dlsym(ctx->libc2d2,
   1559                                            "c2dUnMapAddr");
   1560     *(void **)&LINK_c2dGetDriverCapabilities = ::dlsym(ctx->libc2d2,
   1561                                            "c2dGetDriverCapabilities");
   1562     *(void **)&LINK_c2dCreateFenceFD = ::dlsym(ctx->libc2d2,
   1563                                            "c2dCreateFenceFD");
   1564     *(void **)&LINK_c2dFillSurface = ::dlsym(ctx->libc2d2,
   1565                                            "c2dFillSurface");
   1566 
   1567     if (!LINK_c2dCreateSurface || !LINK_c2dUpdateSurface || !LINK_c2dReadSurface
   1568         || !LINK_c2dDraw || !LINK_c2dFlush || !LINK_c2dWaitTimestamp ||
   1569         !LINK_c2dFinish  || !LINK_c2dDestroySurface ||
   1570         !LINK_c2dGetDriverCapabilities || !LINK_c2dCreateFenceFD ||
   1571         !LINK_c2dFillSurface) {
   1572         ALOGE("%s: dlsym ERROR", __FUNCTION__);
   1573         clean_up(ctx);
   1574         status = COPYBIT_FAILURE;
   1575         *device = NULL;
   1576         return status;
   1577     }
   1578 
   1579     ctx->device.common.tag = HARDWARE_DEVICE_TAG;
   1580     ctx->device.common.version = 1;
   1581     ctx->device.common.module = (hw_module_t*)(module);
   1582     ctx->device.common.close = close_copybit;
   1583     ctx->device.set_parameter = set_parameter_copybit;
   1584     ctx->device.get = get;
   1585     ctx->device.blit = blit_copybit;
   1586     ctx->device.set_sync = set_sync_copybit;
   1587     ctx->device.stretch = stretch_copybit;
   1588     ctx->device.finish = finish_copybit;
   1589     ctx->device.flush_get_fence = flush_get_fence_copybit;
   1590     ctx->device.clear = clear_copybit;
   1591     ctx->device.fill_color = fill_color;
   1592 
   1593     /* Create RGB Surface */
   1594     surfDefinition.buffer = (void*)0xdddddddd;
   1595     surfDefinition.phys = (void*)0xdddddddd;
   1596     surfDefinition.stride = 1 * 4;
   1597     surfDefinition.width = 1;
   1598     surfDefinition.height = 1;
   1599     surfDefinition.format = C2D_COLOR_FORMAT_8888_ARGB;
   1600     if (LINK_c2dCreateSurface(&(ctx->dst[RGB_SURFACE]), C2D_TARGET | C2D_SOURCE,
   1601                               (C2D_SURFACE_TYPE)(C2D_SURFACE_RGB_HOST |
   1602                                                  C2D_SURFACE_WITH_PHYS |
   1603                                                  C2D_SURFACE_WITH_PHYS_DUMMY ),
   1604                                                  &surfDefinition)) {
   1605         ALOGE("%s: create ctx->dst_surface[RGB_SURFACE] failed", __FUNCTION__);
   1606         ctx->dst[RGB_SURFACE] = 0;
   1607         clean_up(ctx);
   1608         status = COPYBIT_FAILURE;
   1609         *device = NULL;
   1610         return status;
   1611     }
   1612 
   1613     unsigned int surface_id = 0;
   1614     for (int i = 0; i < MAX_RGB_SURFACES; i++)
   1615     {
   1616         if (LINK_c2dCreateSurface(&surface_id, C2D_TARGET | C2D_SOURCE,
   1617                               (C2D_SURFACE_TYPE)(C2D_SURFACE_RGB_HOST |
   1618                                                  C2D_SURFACE_WITH_PHYS |
   1619                                                  C2D_SURFACE_WITH_PHYS_DUMMY ),
   1620                                                  &surfDefinition)) {
   1621             ALOGE("%s: create RGB source surface %d failed", __FUNCTION__, i);
   1622             ctx->blit_rgb_object[i].surface_id = 0;
   1623             status = COPYBIT_FAILURE;
   1624             break;
   1625         } else {
   1626             ctx->blit_rgb_object[i].surface_id = surface_id;
   1627             ALOGW("%s i = %d surface_id=%d",  __FUNCTION__, i,
   1628                                           ctx->blit_rgb_object[i].surface_id);
   1629         }
   1630     }
   1631 
   1632     if (status == COPYBIT_FAILURE) {
   1633         clean_up(ctx);
   1634         status = COPYBIT_FAILURE;
   1635         *device = NULL;
   1636         return status;
   1637     }
   1638 
   1639     // Create 2 plane YUV surfaces
   1640     yuvSurfaceDef.format = C2D_COLOR_FORMAT_420_NV12;
   1641     yuvSurfaceDef.width = 4;
   1642     yuvSurfaceDef.height = 4;
   1643     yuvSurfaceDef.plane0 = (void*)0xaaaaaaaa;
   1644     yuvSurfaceDef.phys0 = (void*) 0xaaaaaaaa;
   1645     yuvSurfaceDef.stride0 = 4;
   1646 
   1647     yuvSurfaceDef.plane1 = (void*)0xaaaaaaaa;
   1648     yuvSurfaceDef.phys1 = (void*) 0xaaaaaaaa;
   1649     yuvSurfaceDef.stride1 = 4;
   1650     if (LINK_c2dCreateSurface(&(ctx->dst[YUV_SURFACE_2_PLANES]),
   1651                               C2D_TARGET | C2D_SOURCE,
   1652                               (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST |
   1653                                C2D_SURFACE_WITH_PHYS |
   1654                                C2D_SURFACE_WITH_PHYS_DUMMY),
   1655                               &yuvSurfaceDef)) {
   1656         ALOGE("%s: create ctx->dst[YUV_SURFACE_2_PLANES] failed", __FUNCTION__);
   1657         ctx->dst[YUV_SURFACE_2_PLANES] = 0;
   1658         clean_up(ctx);
   1659         status = COPYBIT_FAILURE;
   1660         *device = NULL;
   1661         return status;
   1662     }
   1663 
   1664     for (int i=0; i < MAX_YUV_2_PLANE_SURFACES; i++)
   1665     {
   1666         if (LINK_c2dCreateSurface(&surface_id, C2D_TARGET | C2D_SOURCE,
   1667                               (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST |
   1668                                                  C2D_SURFACE_WITH_PHYS |
   1669                                                  C2D_SURFACE_WITH_PHYS_DUMMY ),
   1670                               &yuvSurfaceDef)) {
   1671             ALOGE("%s: create YUV source %d failed", __FUNCTION__, i);
   1672             ctx->blit_yuv_2_plane_object[i].surface_id = 0;
   1673             status = COPYBIT_FAILURE;
   1674             break;
   1675         } else {
   1676             ctx->blit_yuv_2_plane_object[i].surface_id = surface_id;
   1677             ALOGW("%s: 2 Plane YUV i=%d surface_id=%d",  __FUNCTION__, i,
   1678                                    ctx->blit_yuv_2_plane_object[i].surface_id);
   1679         }
   1680     }
   1681 
   1682     if (status == COPYBIT_FAILURE) {
   1683         clean_up(ctx);
   1684         status = COPYBIT_FAILURE;
   1685         *device = NULL;
   1686         return status;
   1687     }
   1688 
   1689     // Create YUV 3 plane surfaces
   1690     yuvSurfaceDef.format = C2D_COLOR_FORMAT_420_YV12;
   1691     yuvSurfaceDef.plane2 = (void*)0xaaaaaaaa;
   1692     yuvSurfaceDef.phys2 = (void*) 0xaaaaaaaa;
   1693     yuvSurfaceDef.stride2 = 4;
   1694 
   1695     if (LINK_c2dCreateSurface(&(ctx->dst[YUV_SURFACE_3_PLANES]),
   1696                               C2D_TARGET | C2D_SOURCE,
   1697                               (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST |
   1698                                                  C2D_SURFACE_WITH_PHYS |
   1699                                                  C2D_SURFACE_WITH_PHYS_DUMMY),
   1700                               &yuvSurfaceDef)) {
   1701         ALOGE("%s: create ctx->dst[YUV_SURFACE_3_PLANES] failed", __FUNCTION__);
   1702         ctx->dst[YUV_SURFACE_3_PLANES] = 0;
   1703         clean_up(ctx);
   1704         status = COPYBIT_FAILURE;
   1705         *device = NULL;
   1706         return status;
   1707     }
   1708 
   1709     for (int i=0; i < MAX_YUV_3_PLANE_SURFACES; i++)
   1710     {
   1711         if (LINK_c2dCreateSurface(&(surface_id),
   1712                               C2D_TARGET | C2D_SOURCE,
   1713                               (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST |
   1714                                                  C2D_SURFACE_WITH_PHYS |
   1715                                                  C2D_SURFACE_WITH_PHYS_DUMMY),
   1716                               &yuvSurfaceDef)) {
   1717             ALOGE("%s: create 3 plane YUV surface %d failed", __FUNCTION__, i);
   1718             ctx->blit_yuv_3_plane_object[i].surface_id = 0;
   1719             status = COPYBIT_FAILURE;
   1720             break;
   1721         } else {
   1722             ctx->blit_yuv_3_plane_object[i].surface_id = surface_id;
   1723             ALOGW("%s: 3 Plane YUV i=%d surface_id=%d",  __FUNCTION__, i,
   1724                                    ctx->blit_yuv_3_plane_object[i].surface_id);
   1725         }
   1726     }
   1727 
   1728     if (status == COPYBIT_FAILURE) {
   1729         clean_up(ctx);
   1730         status = COPYBIT_FAILURE;
   1731         *device = NULL;
   1732         return status;
   1733     }
   1734 
   1735     if (LINK_c2dGetDriverCapabilities(&(ctx->c2d_driver_info))) {
   1736          ALOGE("%s: LINK_c2dGetDriverCapabilities failed", __FUNCTION__);
   1737          clean_up(ctx);
   1738          status = COPYBIT_FAILURE;
   1739         *device = NULL;
   1740         return status;
   1741     }
   1742     // Initialize context variables.
   1743     ctx->trg_transform = C2D_TARGET_ROTATE_0;
   1744 
   1745     ctx->temp_src_buffer.fd = -1;
   1746     ctx->temp_src_buffer.base = 0;
   1747     ctx->temp_src_buffer.size = 0;
   1748 
   1749     ctx->temp_dst_buffer.fd = -1;
   1750     ctx->temp_dst_buffer.base = 0;
   1751     ctx->temp_dst_buffer.size = 0;
   1752 
   1753     ctx->fb_width = 0;
   1754     ctx->fb_height = 0;
   1755 
   1756     ctx->blit_rgb_count = 0;
   1757     ctx->blit_yuv_2_plane_count = 0;
   1758     ctx->blit_yuv_3_plane_count = 0;
   1759     ctx->blit_count = 0;
   1760 
   1761     ctx->wait_timestamp = false;
   1762     ctx->stop_thread = false;
   1763     pthread_mutex_init(&(ctx->wait_cleanup_lock), NULL);
   1764     pthread_cond_init(&(ctx->wait_cleanup_cond), NULL);
   1765     /* Start the wait thread */
   1766     pthread_attr_t attr;
   1767     pthread_attr_init(&attr);
   1768     pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
   1769 
   1770     pthread_create(&ctx->wait_thread_id, &attr, &c2d_wait_loop,
   1771                                                             (void *)ctx);
   1772     pthread_attr_destroy(&attr);
   1773 
   1774     *device = &ctx->device.common;
   1775     return status;
   1776 }
   1777