| /* | 
 |  * Copyright (C) 2008 The Android Open Source Project | 
 |  * Copyright (c) 2010-2014, The Linux Foundation. All rights reserved. | 
 |  * | 
 |  * Not a Contribution, Apache license notifications and license are retained | 
 |  * for attribution purposes only. | 
 |  * | 
 |  * Licensed under the Apache License, Version 2.0 (the "License"); | 
 |  * you may not use this file except in compliance with the License. | 
 |  * You may obtain a copy of the License at | 
 |  * | 
 |  *      http://www.apache.org/licenses/LICENSE-2.0 | 
 |  * | 
 |  * Unless required by applicable law or agreed to in writing, software | 
 |  * distributed under the License is distributed on an "AS IS" BASIS, | 
 |  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
 |  * See the License for the specific language governing permissions and | 
 |  * limitations under the License. | 
 |  */ | 
 | #include <cutils/log.h> | 
 | #include <sys/resource.h> | 
 | #include <sys/prctl.h> | 
 |  | 
 | #include <stdint.h> | 
 | #include <string.h> | 
 | #include <unistd.h> | 
 | #include <errno.h> | 
 | #include <fcntl.h> | 
 |  | 
 | #include <sys/ioctl.h> | 
 | #include <sys/types.h> | 
 | #include <sys/mman.h> | 
 |  | 
 | #include <linux/msm_kgsl.h> | 
 |  | 
 | #include <EGL/eglplatform.h> | 
 | #include <cutils/native_handle.h> | 
 | #include <gralloc_priv.h> | 
 |  | 
 | #include <copybit.h> | 
 | #include <alloc_controller.h> | 
 | #include <memalloc.h> | 
 |  | 
 | #include "c2d2.h" | 
 | #include "software_converter.h" | 
 |  | 
 | #include <dlfcn.h> | 
 |  | 
 | using gralloc::IMemAlloc; | 
 | using gralloc::IonController; | 
 | using gralloc::alloc_data; | 
 |  | 
 | C2D_STATUS (*LINK_c2dCreateSurface)( uint32 *surface_id, | 
 |                                      uint32 surface_bits, | 
 |                                      C2D_SURFACE_TYPE surface_type, | 
 |                                      void *surface_definition ); | 
 |  | 
 | C2D_STATUS (*LINK_c2dUpdateSurface)( uint32 surface_id, | 
 |                                      uint32 surface_bits, | 
 |                                      C2D_SURFACE_TYPE surface_type, | 
 |                                      void *surface_definition ); | 
 |  | 
 | C2D_STATUS (*LINK_c2dReadSurface)( uint32 surface_id, | 
 |                                    C2D_SURFACE_TYPE surface_type, | 
 |                                    void *surface_definition, | 
 |                                    int32 x, int32 y ); | 
 |  | 
 | C2D_STATUS (*LINK_c2dDraw)( uint32 target_id, | 
 |                             uint32 target_config, C2D_RECT *target_scissor, | 
 |                             uint32 target_mask_id, uint32 target_color_key, | 
 |                             C2D_OBJECT *objects_list, uint32 num_objects ); | 
 |  | 
 | C2D_STATUS (*LINK_c2dFinish)( uint32 target_id); | 
 |  | 
 | C2D_STATUS (*LINK_c2dFlush)( uint32 target_id, c2d_ts_handle *timestamp); | 
 |  | 
 | C2D_STATUS (*LINK_c2dWaitTimestamp)( c2d_ts_handle timestamp ); | 
 |  | 
 | C2D_STATUS (*LINK_c2dDestroySurface)( uint32 surface_id ); | 
 |  | 
 | C2D_STATUS (*LINK_c2dMapAddr) ( int mem_fd, void * hostptr, size_t len, | 
 |                                 size_t offset, uint32 flags, void ** gpuaddr); | 
 |  | 
 | C2D_STATUS (*LINK_c2dUnMapAddr) ( void * gpuaddr); | 
 |  | 
 | C2D_STATUS (*LINK_c2dGetDriverCapabilities) ( C2D_DRIVER_INFO * driver_info); | 
 |  | 
 | /* create a fence fd for the timestamp */ | 
 | C2D_STATUS (*LINK_c2dCreateFenceFD) ( uint32 target_id, c2d_ts_handle timestamp, | 
 |                                                             int32 *fd); | 
 |  | 
 | C2D_STATUS (*LINK_c2dFillSurface) ( uint32 surface_id, uint32 fill_color, | 
 |                                     C2D_RECT * fill_rect); | 
 |  | 
 | /******************************************************************************/ | 
 |  | 
 | #if defined(COPYBIT_Z180) | 
 | #define MAX_SCALE_FACTOR    (4096) | 
 | #define MAX_DIMENSION       (4096) | 
 | #else | 
 | #error "Unsupported HW version" | 
 | #endif | 
 |  | 
 | // The following defines can be changed as required i.e. as we encounter | 
 | // complex use cases. | 
 | #define MAX_RGB_SURFACES 32       // Max. RGB layers currently supported per draw | 
 | #define MAX_YUV_2_PLANE_SURFACES 4// Max. 2-plane YUV layers currently supported per draw | 
 | #define MAX_YUV_3_PLANE_SURFACES 1// Max. 3-plane YUV layers currently supported per draw | 
 | // +1 for the destination surface. We cannot have multiple destination surfaces. | 
 | #define MAX_SURFACES (MAX_RGB_SURFACES + MAX_YUV_2_PLANE_SURFACES + MAX_YUV_3_PLANE_SURFACES + 1) | 
 | #define NUM_SURFACE_TYPES 3      // RGB_SURFACE + YUV_SURFACE_2_PLANES + YUV_SURFACE_3_PLANES | 
 | #define MAX_BLIT_OBJECT_COUNT 50 // Max. blit objects that can be passed per draw | 
 |  | 
 | enum { | 
 |     RGB_SURFACE, | 
 |     YUV_SURFACE_2_PLANES, | 
 |     YUV_SURFACE_3_PLANES | 
 | }; | 
 |  | 
 | enum eConversionType { | 
 |     CONVERT_TO_ANDROID_FORMAT, | 
 |     CONVERT_TO_C2D_FORMAT | 
 | }; | 
 |  | 
 | enum eC2DFlags { | 
 |     FLAGS_PREMULTIPLIED_ALPHA  = 1<<0, | 
 |     FLAGS_YUV_DESTINATION      = 1<<1, | 
 |     FLAGS_TEMP_SRC_DST         = 1<<2 | 
 | }; | 
 |  | 
 | static gralloc::IAllocController* sAlloc = 0; | 
 | /******************************************************************************/ | 
 |  | 
 | /** State information for each device instance */ | 
 | struct copybit_context_t { | 
 |     struct copybit_device_t device; | 
 |     // Templates for the various source surfaces. These templates are created | 
 |     // to avoid the expensive create/destroy C2D Surfaces | 
 |     C2D_OBJECT_STR blit_rgb_object[MAX_RGB_SURFACES]; | 
 |     C2D_OBJECT_STR blit_yuv_2_plane_object[MAX_YUV_2_PLANE_SURFACES]; | 
 |     C2D_OBJECT_STR blit_yuv_3_plane_object[MAX_YUV_3_PLANE_SURFACES]; | 
 |     C2D_OBJECT_STR blit_list[MAX_BLIT_OBJECT_COUNT]; // Z-ordered list of blit objects | 
 |     C2D_DRIVER_INFO c2d_driver_info; | 
 |     void *libc2d2; | 
 |     alloc_data temp_src_buffer; | 
 |     alloc_data temp_dst_buffer; | 
 |     unsigned int dst[NUM_SURFACE_TYPES]; // dst surfaces | 
 |     uintptr_t mapped_gpu_addr[MAX_SURFACES]; // GPU addresses mapped inside copybit | 
 |     int blit_rgb_count;         // Total RGB surfaces being blit | 
 |     int blit_yuv_2_plane_count; // Total 2 plane YUV surfaces being | 
 |     int blit_yuv_3_plane_count; // Total 3 plane YUV  surfaces being blit | 
 |     int blit_count;             // Total blit objects. | 
 |     unsigned int trg_transform;      /* target transform */ | 
 |     int fb_width; | 
 |     int fb_height; | 
 |     int src_global_alpha; | 
 |     int config_mask; | 
 |     int dst_surface_type; | 
 |     bool is_premultiplied_alpha; | 
 |     void* time_stamp; | 
 |     bool dst_surface_mapped; // Set when dst surface is mapped to GPU addr | 
 |     void* dst_surface_base; // Stores the dst surface addr | 
 |  | 
 |     // used for signaling the wait thread | 
 |     bool wait_timestamp; | 
 |     pthread_t wait_thread_id; | 
 |     bool stop_thread; | 
 |     pthread_mutex_t wait_cleanup_lock; | 
 |     pthread_cond_t wait_cleanup_cond; | 
 |  | 
 | }; | 
 |  | 
 | struct bufferInfo { | 
 |     int width; | 
 |     int height; | 
 |     int format; | 
 | }; | 
 |  | 
 | struct yuvPlaneInfo { | 
 |     int yStride;       //luma stride | 
 |     int plane1_stride; | 
 |     int plane2_stride; | 
 |     size_t plane1_offset; | 
 |     size_t plane2_offset; | 
 | }; | 
 |  | 
 | /** | 
 |  * Common hardware methods | 
 |  */ | 
 |  | 
 | static int open_copybit(const struct hw_module_t* module, const char* name, | 
 |                         struct hw_device_t** device); | 
 |  | 
 | static struct hw_module_methods_t copybit_module_methods = { | 
 | open:  open_copybit | 
 | }; | 
 |  | 
 | /* | 
 |  * The COPYBIT Module | 
 |  */ | 
 | struct copybit_module_t HAL_MODULE_INFO_SYM = { | 
 | common: { | 
 | tag: HARDWARE_MODULE_TAG, | 
 |      version_major: 1, | 
 |      version_minor: 0, | 
 |      id: COPYBIT_HARDWARE_MODULE_ID, | 
 |      name: "QCT COPYBIT C2D 2.0 Module", | 
 |      author: "Qualcomm", | 
 |      methods: ©bit_module_methods | 
 |         } | 
 | }; | 
 |  | 
 |  | 
 | /* thread function which waits on the timeStamp and cleans up the surfaces */ | 
 | static void* c2d_wait_loop(void* ptr) { | 
 |     copybit_context_t* ctx = (copybit_context_t*)(ptr); | 
 |     char thread_name[64] = "copybitWaitThr"; | 
 |     prctl(PR_SET_NAME, (unsigned long) &thread_name, 0, 0, 0); | 
 |     setpriority(PRIO_PROCESS, 0, HAL_PRIORITY_URGENT_DISPLAY); | 
 |  | 
 |     while(ctx->stop_thread == false) { | 
 |         pthread_mutex_lock(&ctx->wait_cleanup_lock); | 
 |         while(ctx->wait_timestamp == false && !ctx->stop_thread) { | 
 |             pthread_cond_wait(&(ctx->wait_cleanup_cond), | 
 |                               &(ctx->wait_cleanup_lock)); | 
 |         } | 
 |         if(ctx->wait_timestamp) { | 
 |             if(LINK_c2dWaitTimestamp(ctx->time_stamp)) { | 
 |                 ALOGE("%s: LINK_c2dWaitTimeStamp ERROR!!", __FUNCTION__); | 
 |             } | 
 |             ctx->wait_timestamp = false; | 
 |             // Unmap any mapped addresses. | 
 |             for (int i = 0; i < MAX_SURFACES; i++) { | 
 |                 if (ctx->mapped_gpu_addr[i]) { | 
 |                     LINK_c2dUnMapAddr( (void*)ctx->mapped_gpu_addr[i]); | 
 |                     ctx->mapped_gpu_addr[i] = 0; | 
 |                 } | 
 |             } | 
 |             // Reset the counts after the draw. | 
 |             ctx->blit_rgb_count = 0; | 
 |             ctx->blit_yuv_2_plane_count = 0; | 
 |             ctx->blit_yuv_3_plane_count = 0; | 
 |             ctx->blit_count = 0; | 
 |             ctx->dst_surface_mapped = false; | 
 |             ctx->dst_surface_base = 0; | 
 |         } | 
 |         pthread_mutex_unlock(&ctx->wait_cleanup_lock); | 
 |         if(ctx->stop_thread) | 
 |             break; | 
 |     } | 
 |     pthread_exit(NULL); | 
 |     return NULL; | 
 | } | 
 |  | 
 |  | 
 | /* convert COPYBIT_FORMAT to C2D format */ | 
 | static int get_format(int format) { | 
 |     switch (format) { | 
 |         case HAL_PIXEL_FORMAT_RGB_565:        return C2D_COLOR_FORMAT_565_RGB; | 
 |         case HAL_PIXEL_FORMAT_RGB_888:        return C2D_COLOR_FORMAT_888_RGB; | 
 |         case HAL_PIXEL_FORMAT_RGBX_8888:      return C2D_COLOR_FORMAT_8888_ARGB | | 
 |                                               C2D_FORMAT_SWAP_RB | | 
 |                                                   C2D_FORMAT_DISABLE_ALPHA; | 
 |         case HAL_PIXEL_FORMAT_RGBA_8888:      return C2D_COLOR_FORMAT_8888_ARGB | | 
 |                                               C2D_FORMAT_SWAP_RB; | 
 |         case HAL_PIXEL_FORMAT_BGRA_8888:      return C2D_COLOR_FORMAT_8888_ARGB; | 
 |         case HAL_PIXEL_FORMAT_YCbCr_420_SP:   return C2D_COLOR_FORMAT_420_NV12; | 
 |         case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:return C2D_COLOR_FORMAT_420_NV12; | 
 |         case HAL_PIXEL_FORMAT_YCrCb_420_SP:   return C2D_COLOR_FORMAT_420_NV21; | 
 |         case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: return C2D_COLOR_FORMAT_420_NV12 | | 
 |                                                   C2D_FORMAT_MACROTILED; | 
 |         default:                              ALOGE("%s: invalid format (0x%x", | 
 |                                                      __FUNCTION__, format); | 
 |                                               return -EINVAL; | 
 |     } | 
 |     return -EINVAL; | 
 | } | 
 |  | 
 | /* Get the C2D formats needed for conversion to YUV */ | 
 | static int get_c2d_format_for_yuv_destination(int halFormat) { | 
 |     switch (halFormat) { | 
 |         // We do not swap the RB when the target is YUV | 
 |         case HAL_PIXEL_FORMAT_RGBX_8888:      return C2D_COLOR_FORMAT_8888_ARGB | | 
 |                                               C2D_FORMAT_DISABLE_ALPHA; | 
 |         case HAL_PIXEL_FORMAT_RGBA_8888:      return C2D_COLOR_FORMAT_8888_ARGB; | 
 |         // The U and V need to be interchanged when the target is YUV | 
 |         case HAL_PIXEL_FORMAT_YCbCr_420_SP:   return C2D_COLOR_FORMAT_420_NV21; | 
 |         case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:return C2D_COLOR_FORMAT_420_NV21; | 
 |         case HAL_PIXEL_FORMAT_YCrCb_420_SP:   return C2D_COLOR_FORMAT_420_NV12; | 
 |         default:                              return get_format(halFormat); | 
 |     } | 
 |     return -EINVAL; | 
 | } | 
 |  | 
 | /* ------------------------------------------------------------------- *//*! | 
 |  * \internal | 
 |  * \brief Get the bpp for a particular color format | 
 |  * \param color format | 
 |  * \return bits per pixel | 
 |  *//* ------------------------------------------------------------------- */ | 
 | int c2diGetBpp(int32 colorformat) | 
 | { | 
 |  | 
 |     int c2dBpp = 0; | 
 |  | 
 |     switch(colorformat&0xFF) | 
 |     { | 
 |         case C2D_COLOR_FORMAT_4444_RGBA: | 
 |         case C2D_COLOR_FORMAT_4444_ARGB: | 
 |         case C2D_COLOR_FORMAT_1555_ARGB: | 
 |         case C2D_COLOR_FORMAT_565_RGB: | 
 |         case C2D_COLOR_FORMAT_5551_RGBA: | 
 |             c2dBpp = 16; | 
 |             break; | 
 |         case C2D_COLOR_FORMAT_8888_RGBA: | 
 |         case C2D_COLOR_FORMAT_8888_ARGB: | 
 |             c2dBpp = 32; | 
 |             break; | 
 |         case C2D_COLOR_FORMAT_888_RGB: | 
 |             c2dBpp = 24; | 
 |             break; | 
 |         case C2D_COLOR_FORMAT_8_L: | 
 |         case C2D_COLOR_FORMAT_8_A: | 
 |             c2dBpp = 8; | 
 |             break; | 
 |         case C2D_COLOR_FORMAT_4_A: | 
 |             c2dBpp = 4; | 
 |             break; | 
 |         case C2D_COLOR_FORMAT_1: | 
 |             c2dBpp = 1; | 
 |             break; | 
 |         default: | 
 |             ALOGE("%s ERROR", __func__); | 
 |             break; | 
 |     } | 
 |     return c2dBpp; | 
 | } | 
 |  | 
 | static size_t c2d_get_gpuaddr(copybit_context_t* ctx, | 
 |                               struct private_handle_t *handle, int &mapped_idx) | 
 | { | 
 |     uint32 memtype; | 
 |     size_t *gpuaddr = 0; | 
 |     C2D_STATUS rc; | 
 |     int freeindex = 0; | 
 |     bool mapaddr = false; | 
 |  | 
 |     if(!handle) | 
 |         return 0; | 
 |  | 
 |     if (handle->flags & (private_handle_t::PRIV_FLAGS_USES_PMEM | | 
 |                          private_handle_t::PRIV_FLAGS_USES_PMEM_ADSP)) | 
 |         memtype = KGSL_USER_MEM_TYPE_PMEM; | 
 |     else if (handle->flags & private_handle_t::PRIV_FLAGS_USES_ASHMEM) | 
 |         memtype = KGSL_USER_MEM_TYPE_ASHMEM; | 
 |     else if (handle->flags & private_handle_t::PRIV_FLAGS_USES_ION) | 
 |         memtype = KGSL_USER_MEM_TYPE_ION; | 
 |     else { | 
 |         ALOGE("Invalid handle flags: 0x%x", handle->flags); | 
 |         return 0; | 
 |     } | 
 |  | 
 |     // Check for a freeindex in the mapped_gpu_addr list | 
 |     for (freeindex = 0; freeindex < MAX_SURFACES; freeindex++) { | 
 |         if (ctx->mapped_gpu_addr[freeindex] == 0) { | 
 |             // free index is available | 
 |             // map GPU addr and use this as mapped_idx | 
 |             mapaddr = true; | 
 |             break; | 
 |         } | 
 |     } | 
 |  | 
 |     if(mapaddr) { | 
 |         rc = LINK_c2dMapAddr(handle->fd, (void*)handle->base, handle->size, | 
 |                              handle->offset, memtype, (void**)&gpuaddr); | 
 |  | 
 |         if (rc == C2D_STATUS_OK) { | 
 |             // We have mapped the GPU address inside copybit. We need to unmap | 
 |             // this address after the blit. Store this address | 
 |             ctx->mapped_gpu_addr[freeindex] = (size_t)gpuaddr; | 
 |             mapped_idx = freeindex; | 
 |         } | 
 |     } | 
 |     return (size_t)gpuaddr; | 
 | } | 
 |  | 
 | static void unmap_gpuaddr(copybit_context_t* ctx, int mapped_idx) | 
 | { | 
 |     if (!ctx || (mapped_idx == -1)) | 
 |         return; | 
 |  | 
 |     if (ctx->mapped_gpu_addr[mapped_idx]) { | 
 |         LINK_c2dUnMapAddr( (void*)ctx->mapped_gpu_addr[mapped_idx]); | 
 |         ctx->mapped_gpu_addr[mapped_idx] = 0; | 
 |     } | 
 | } | 
 |  | 
 | static int is_supported_rgb_format(int format) | 
 | { | 
 |     switch(format) { | 
 |         case HAL_PIXEL_FORMAT_RGBA_8888: | 
 |         case HAL_PIXEL_FORMAT_RGBX_8888: | 
 |         case HAL_PIXEL_FORMAT_RGB_888: | 
 |         case HAL_PIXEL_FORMAT_RGB_565: | 
 |         case HAL_PIXEL_FORMAT_BGRA_8888: { | 
 |             return COPYBIT_SUCCESS; | 
 |         } | 
 |         default: | 
 |             return COPYBIT_FAILURE; | 
 |     } | 
 | } | 
 |  | 
 | static int get_num_planes(int format) | 
 | { | 
 |     switch(format) { | 
 |         case HAL_PIXEL_FORMAT_YCbCr_420_SP: | 
 |         case HAL_PIXEL_FORMAT_YCrCb_420_SP: | 
 |         case HAL_PIXEL_FORMAT_NV12_ENCODEABLE: | 
 |         case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: { | 
 |             return 2; | 
 |         } | 
 |         case HAL_PIXEL_FORMAT_YV12: { | 
 |             return 3; | 
 |         } | 
 |         default: | 
 |             return COPYBIT_FAILURE; | 
 |     } | 
 | } | 
 |  | 
 | static int is_supported_yuv_format(int format) | 
 | { | 
 |     switch(format) { | 
 |         case HAL_PIXEL_FORMAT_YCbCr_420_SP: | 
 |         case HAL_PIXEL_FORMAT_YCrCb_420_SP: | 
 |         case HAL_PIXEL_FORMAT_NV12_ENCODEABLE: | 
 |         case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: { | 
 |             return COPYBIT_SUCCESS; | 
 |         } | 
 |         default: | 
 |             return COPYBIT_FAILURE; | 
 |     } | 
 | } | 
 |  | 
 | static int is_valid_destination_format(int format) | 
 | { | 
 |     if (format == HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED) { | 
 |         // C2D does not support NV12Tile as a destination format. | 
 |         return COPYBIT_FAILURE; | 
 |     } | 
 |     return COPYBIT_SUCCESS; | 
 | } | 
 |  | 
 | static int calculate_yuv_offset_and_stride(const bufferInfo& info, | 
 |                                            yuvPlaneInfo& yuvInfo) | 
 | { | 
 |     int width  = info.width; | 
 |     int height = info.height; | 
 |     int format = info.format; | 
 |  | 
 |     int aligned_height = 0; | 
 |     int aligned_width = 0, size = 0; | 
 |  | 
 |     switch (format) { | 
 |         case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: { | 
 |             /* NV12 Tile buffers have their luma height aligned to 32bytes and width | 
 |              * aligned to 128 bytes. The chroma offset starts at an 8K boundary | 
 |              */ | 
 |             aligned_height = ALIGN(height, 32); | 
 |             aligned_width  = ALIGN(width, 128); | 
 |             size = aligned_width * aligned_height; | 
 |             yuvInfo.plane1_offset = ALIGN(size,8192); | 
 |             yuvInfo.yStride = aligned_width; | 
 |             yuvInfo.plane1_stride = aligned_width; | 
 |             break; | 
 |         } | 
 |         case HAL_PIXEL_FORMAT_YCbCr_420_SP: | 
 |         case HAL_PIXEL_FORMAT_NV12_ENCODEABLE: | 
 |         case HAL_PIXEL_FORMAT_YCrCb_420_SP: { | 
 |             aligned_width = ALIGN(width, 32); | 
 |             yuvInfo.yStride = aligned_width; | 
 |             yuvInfo.plane1_stride = aligned_width; | 
 |             if (HAL_PIXEL_FORMAT_NV12_ENCODEABLE == format) { | 
 |                 // The encoder requires a 2K aligned chroma offset | 
 |                 yuvInfo.plane1_offset = ALIGN(aligned_width * height, 2048); | 
 |             } else | 
 |                 yuvInfo.plane1_offset = aligned_width * height; | 
 |  | 
 |             break; | 
 |         } | 
 |         default: { | 
 |             return COPYBIT_FAILURE; | 
 |         } | 
 |     } | 
 |     return COPYBIT_SUCCESS; | 
 | } | 
 |  | 
 | /** create C2D surface from copybit image */ | 
 | static int set_image(copybit_context_t* ctx, uint32 surfaceId, | 
 |                       const struct copybit_image_t *rhs, | 
 |                       const eC2DFlags flags, int &mapped_idx) | 
 | { | 
 |     struct private_handle_t* handle = (struct private_handle_t*)rhs->handle; | 
 |     C2D_SURFACE_TYPE surfaceType; | 
 |     int status = COPYBIT_SUCCESS; | 
 |     uintptr_t gpuaddr = 0; | 
 |     int c2d_format; | 
 |     mapped_idx = -1; | 
 |  | 
 |     if (flags & FLAGS_YUV_DESTINATION) { | 
 |         c2d_format = get_c2d_format_for_yuv_destination(rhs->format); | 
 |     } else { | 
 |         c2d_format = get_format(rhs->format); | 
 |     } | 
 |  | 
 |     if(c2d_format == -EINVAL) { | 
 |         ALOGE("%s: invalid format", __FUNCTION__); | 
 |         return -EINVAL; | 
 |     } | 
 |  | 
 |     if(handle == NULL) { | 
 |         ALOGE("%s: invalid handle", __func__); | 
 |         return -EINVAL; | 
 |     } | 
 |  | 
 |     if (handle->gpuaddr == 0) { | 
 |         gpuaddr = c2d_get_gpuaddr(ctx, handle, mapped_idx); | 
 |         if(!gpuaddr) { | 
 |             ALOGE("%s: c2d_get_gpuaddr failed", __FUNCTION__); | 
 |             return COPYBIT_FAILURE; | 
 |         } | 
 |     } else { | 
 |         gpuaddr = handle->gpuaddr; | 
 |     } | 
 |  | 
 |     /* create C2D surface */ | 
 |     if(is_supported_rgb_format(rhs->format) == COPYBIT_SUCCESS) { | 
 |         /* RGB */ | 
 |         C2D_RGB_SURFACE_DEF surfaceDef; | 
 |  | 
 |         surfaceType = (C2D_SURFACE_TYPE) (C2D_SURFACE_RGB_HOST | C2D_SURFACE_WITH_PHYS); | 
 |  | 
 |         surfaceDef.phys = (void*) gpuaddr; | 
 |         surfaceDef.buffer = (void*) (handle->base); | 
 |  | 
 |         surfaceDef.format = c2d_format | | 
 |             ((flags & FLAGS_PREMULTIPLIED_ALPHA) ? C2D_FORMAT_PREMULTIPLIED : 0); | 
 |         surfaceDef.width = rhs->w; | 
 |         surfaceDef.height = rhs->h; | 
 |         int aligned_width = ALIGN((int)surfaceDef.width,32); | 
 |         surfaceDef.stride = (aligned_width * c2diGetBpp(surfaceDef.format))>>3; | 
 |  | 
 |         if(LINK_c2dUpdateSurface( surfaceId,C2D_TARGET | C2D_SOURCE, surfaceType, | 
 |                                   &surfaceDef)) { | 
 |             ALOGE("%s: RGB Surface c2dUpdateSurface ERROR", __FUNCTION__); | 
 |             unmap_gpuaddr(ctx, mapped_idx); | 
 |             status = COPYBIT_FAILURE; | 
 |         } | 
 |     } else if (is_supported_yuv_format(rhs->format) == COPYBIT_SUCCESS) { | 
 |         C2D_YUV_SURFACE_DEF surfaceDef; | 
 |         memset(&surfaceDef, 0, sizeof(surfaceDef)); | 
 |         surfaceType = (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST | C2D_SURFACE_WITH_PHYS); | 
 |         surfaceDef.format = c2d_format; | 
 |  | 
 |         bufferInfo info; | 
 |         info.width = rhs->w; | 
 |         info.height = rhs->h; | 
 |         info.format = rhs->format; | 
 |  | 
 |         yuvPlaneInfo yuvInfo = {0}; | 
 |         status = calculate_yuv_offset_and_stride(info, yuvInfo); | 
 |         if(status != COPYBIT_SUCCESS) { | 
 |             ALOGE("%s: calculate_yuv_offset_and_stride error", __FUNCTION__); | 
 |             unmap_gpuaddr(ctx, mapped_idx); | 
 |         } | 
 |  | 
 |         surfaceDef.width = rhs->w; | 
 |         surfaceDef.height = rhs->h; | 
 |         surfaceDef.plane0 = (void*) (handle->base); | 
 |         surfaceDef.phys0 = (void*) (gpuaddr); | 
 |         surfaceDef.stride0 = yuvInfo.yStride; | 
 |  | 
 |         surfaceDef.plane1 = (void*) (handle->base + yuvInfo.plane1_offset); | 
 |         surfaceDef.phys1 = (void*) (gpuaddr + yuvInfo.plane1_offset); | 
 |         surfaceDef.stride1 = yuvInfo.plane1_stride; | 
 |         if (3 == get_num_planes(rhs->format)) { | 
 |             surfaceDef.plane2 = (void*) (handle->base + yuvInfo.plane2_offset); | 
 |             surfaceDef.phys2 = (void*) (gpuaddr + yuvInfo.plane2_offset); | 
 |             surfaceDef.stride2 = yuvInfo.plane2_stride; | 
 |         } | 
 |  | 
 |         if(LINK_c2dUpdateSurface( surfaceId,C2D_TARGET | C2D_SOURCE, surfaceType, | 
 |                                   &surfaceDef)) { | 
 |             ALOGE("%s: YUV Surface c2dUpdateSurface ERROR", __FUNCTION__); | 
 |             unmap_gpuaddr(ctx, mapped_idx); | 
 |             status = COPYBIT_FAILURE; | 
 |         } | 
 |     } else { | 
 |         ALOGE("%s: invalid format 0x%x", __FUNCTION__, rhs->format); | 
 |         unmap_gpuaddr(ctx, mapped_idx); | 
 |         status = COPYBIT_FAILURE; | 
 |     } | 
 |  | 
 |     return status; | 
 | } | 
 |  | 
 | /** copy the bits */ | 
 | static int msm_copybit(struct copybit_context_t *ctx, unsigned int target) | 
 | { | 
 |     if (ctx->blit_count == 0) { | 
 |         return COPYBIT_SUCCESS; | 
 |     } | 
 |  | 
 |     for (int i = 0; i < ctx->blit_count; i++) | 
 |     { | 
 |         ctx->blit_list[i].next = &(ctx->blit_list[i+1]); | 
 |     } | 
 |     ctx->blit_list[ctx->blit_count-1].next = NULL; | 
 |     uint32_t target_transform = ctx->trg_transform; | 
 |     if (ctx->c2d_driver_info.capabilities_mask & | 
 |         C2D_DRIVER_SUPPORTS_OVERRIDE_TARGET_ROTATE_OP) { | 
 |         // For A3xx - set 0x0 as the transform is set in the config_mask | 
 |         target_transform = 0x0; | 
 |     } | 
 |     if(LINK_c2dDraw(target, target_transform, 0x0, 0, 0, ctx->blit_list, | 
 |                     ctx->blit_count)) { | 
 |         ALOGE("%s: LINK_c2dDraw ERROR", __FUNCTION__); | 
 |         return COPYBIT_FAILURE; | 
 |     } | 
 |     return COPYBIT_SUCCESS; | 
 | } | 
 |  | 
 |  | 
 |  | 
 | static int flush_get_fence_copybit (struct copybit_device_t *dev, int* fd) | 
 | { | 
 |     struct copybit_context_t* ctx = (struct copybit_context_t*)dev; | 
 |     int status = COPYBIT_FAILURE; | 
 |     if (!ctx) | 
 |         return COPYBIT_FAILURE; | 
 |     pthread_mutex_lock(&ctx->wait_cleanup_lock); | 
 |     status = msm_copybit(ctx, ctx->dst[ctx->dst_surface_type]); | 
 |  | 
 |     if(LINK_c2dFlush(ctx->dst[ctx->dst_surface_type], &ctx->time_stamp)) { | 
 |         ALOGE("%s: LINK_c2dFlush ERROR", __FUNCTION__); | 
 |         // unlock the mutex and return failure | 
 |         pthread_mutex_unlock(&ctx->wait_cleanup_lock); | 
 |         return COPYBIT_FAILURE; | 
 |     } | 
 |     if(LINK_c2dCreateFenceFD(ctx->dst[ctx->dst_surface_type], ctx->time_stamp, | 
 |                                                                         fd)) { | 
 |         ALOGE("%s: LINK_c2dCreateFenceFD ERROR", __FUNCTION__); | 
 |         status = COPYBIT_FAILURE; | 
 |     } | 
 |     if(status == COPYBIT_SUCCESS) { | 
 |         //signal the wait_thread | 
 |         ctx->wait_timestamp = true; | 
 |         pthread_cond_signal(&ctx->wait_cleanup_cond); | 
 |     } | 
 |     pthread_mutex_unlock(&ctx->wait_cleanup_lock); | 
 |     return status; | 
 | } | 
 |  | 
 | static int finish_copybit(struct copybit_device_t *dev) | 
 | { | 
 |     struct copybit_context_t* ctx = (struct copybit_context_t*)dev; | 
 |     if (!ctx) | 
 |         return COPYBIT_FAILURE; | 
 |  | 
 |    int status = msm_copybit(ctx, ctx->dst[ctx->dst_surface_type]); | 
 |  | 
 |    if(LINK_c2dFinish(ctx->dst[ctx->dst_surface_type])) { | 
 |         ALOGE("%s: LINK_c2dFinish ERROR", __FUNCTION__); | 
 |         return COPYBIT_FAILURE; | 
 |     } | 
 |  | 
 |     // Unmap any mapped addresses. | 
 |     for (int i = 0; i < MAX_SURFACES; i++) { | 
 |         if (ctx->mapped_gpu_addr[i]) { | 
 |             LINK_c2dUnMapAddr( (void*)ctx->mapped_gpu_addr[i]); | 
 |             ctx->mapped_gpu_addr[i] = 0; | 
 |         } | 
 |     } | 
 |  | 
 |     // Reset the counts after the draw. | 
 |     ctx->blit_rgb_count = 0; | 
 |     ctx->blit_yuv_2_plane_count = 0; | 
 |     ctx->blit_yuv_3_plane_count = 0; | 
 |     ctx->blit_count = 0; | 
 |     ctx->dst_surface_mapped = false; | 
 |     ctx->dst_surface_base = 0; | 
 |  | 
 |     return status; | 
 | } | 
 |  | 
 | static int clear_copybit(struct copybit_device_t *dev, | 
 |                          struct copybit_image_t const *buf, | 
 |                          struct copybit_rect_t *rect) | 
 | { | 
 |     int ret = COPYBIT_SUCCESS; | 
 |     int flags = FLAGS_PREMULTIPLIED_ALPHA; | 
 |     int mapped_dst_idx = -1; | 
 |     struct copybit_context_t* ctx = (struct copybit_context_t*)dev; | 
 |     C2D_RECT c2drect = {rect->l, rect->t, rect->r - rect->l, rect->b - rect->t}; | 
 |     pthread_mutex_lock(&ctx->wait_cleanup_lock); | 
 |     if(!ctx->dst_surface_mapped) { | 
 |         ret = set_image(ctx, ctx->dst[RGB_SURFACE], buf, | 
 |                         (eC2DFlags)flags, mapped_dst_idx); | 
 |         if(ret) { | 
 |             ALOGE("%s: set_image error", __FUNCTION__); | 
 |             unmap_gpuaddr(ctx, mapped_dst_idx); | 
 |             pthread_mutex_unlock(&ctx->wait_cleanup_lock); | 
 |             return COPYBIT_FAILURE; | 
 |         } | 
 |         //clear_copybit is the first call made by HWC for each composition | 
 |         //with the dest surface, hence set dst_surface_mapped. | 
 |         ctx->dst_surface_mapped = true; | 
 |         ctx->dst_surface_base = buf->base; | 
 |         ret = LINK_c2dFillSurface(ctx->dst[RGB_SURFACE], 0x0, &c2drect); | 
 |     } | 
 |     pthread_mutex_unlock(&ctx->wait_cleanup_lock); | 
 |     return ret; | 
 | } | 
 |  | 
 |  | 
 | /** setup rectangles */ | 
 | static void set_rects(struct copybit_context_t *ctx, | 
 |                       C2D_OBJECT *c2dObject, | 
 |                       const struct copybit_rect_t *dst, | 
 |                       const struct copybit_rect_t *src, | 
 |                       const struct copybit_rect_t *scissor) | 
 | { | 
 |     // Set the target rect. | 
 |     if((ctx->trg_transform & C2D_TARGET_ROTATE_90) && | 
 |        (ctx->trg_transform & C2D_TARGET_ROTATE_180)) { | 
 |         /* target rotation is 270 */ | 
 |         c2dObject->target_rect.x        = (dst->t)<<16; | 
 |         c2dObject->target_rect.y        = ctx->fb_width? | 
 |                 (ALIGN(ctx->fb_width,32)- dst->r):dst->r; | 
 |         c2dObject->target_rect.y        = c2dObject->target_rect.y<<16; | 
 |         c2dObject->target_rect.height   = ((dst->r) - (dst->l))<<16; | 
 |         c2dObject->target_rect.width    = ((dst->b) - (dst->t))<<16; | 
 |     } else if(ctx->trg_transform & C2D_TARGET_ROTATE_90) { | 
 |         c2dObject->target_rect.x        = ctx->fb_height?(ctx->fb_height - dst->b):dst->b; | 
 |         c2dObject->target_rect.x        = c2dObject->target_rect.x<<16; | 
 |         c2dObject->target_rect.y        = (dst->l)<<16; | 
 |         c2dObject->target_rect.height   = ((dst->r) - (dst->l))<<16; | 
 |         c2dObject->target_rect.width    = ((dst->b) - (dst->t))<<16; | 
 |     } else if(ctx->trg_transform & C2D_TARGET_ROTATE_180) { | 
 |         c2dObject->target_rect.y        = ctx->fb_height?(ctx->fb_height - dst->b):dst->b; | 
 |         c2dObject->target_rect.y        = c2dObject->target_rect.y<<16; | 
 |         c2dObject->target_rect.x        = ctx->fb_width? | 
 |                 (ALIGN(ctx->fb_width,32) - dst->r):dst->r; | 
 |         c2dObject->target_rect.x        = c2dObject->target_rect.x<<16; | 
 |         c2dObject->target_rect.height   = ((dst->b) - (dst->t))<<16; | 
 |         c2dObject->target_rect.width    = ((dst->r) - (dst->l))<<16; | 
 |     } else { | 
 |         c2dObject->target_rect.x        = (dst->l)<<16; | 
 |         c2dObject->target_rect.y        = (dst->t)<<16; | 
 |         c2dObject->target_rect.height   = ((dst->b) - (dst->t))<<16; | 
 |         c2dObject->target_rect.width    = ((dst->r) - (dst->l))<<16; | 
 |     } | 
 |     c2dObject->config_mask |= C2D_TARGET_RECT_BIT; | 
 |  | 
 |     // Set the source rect | 
 |     c2dObject->source_rect.x        = (src->l)<<16; | 
 |     c2dObject->source_rect.y        = (src->t)<<16; | 
 |     c2dObject->source_rect.height   = ((src->b) - (src->t))<<16; | 
 |     c2dObject->source_rect.width    = ((src->r) - (src->l))<<16; | 
 |     c2dObject->config_mask |= C2D_SOURCE_RECT_BIT; | 
 |  | 
 |     // Set the scissor rect | 
 |     c2dObject->scissor_rect.x       = scissor->l; | 
 |     c2dObject->scissor_rect.y       = scissor->t; | 
 |     c2dObject->scissor_rect.height  = (scissor->b) - (scissor->t); | 
 |     c2dObject->scissor_rect.width   = (scissor->r) - (scissor->l); | 
 |     c2dObject->config_mask |= C2D_SCISSOR_RECT_BIT; | 
 | } | 
 |  | 
 | /*****************************************************************************/ | 
 |  | 
 | /** Set a parameter to value */ | 
 | static int set_parameter_copybit( | 
 |     struct copybit_device_t *dev, | 
 |     int name, | 
 |     int value) | 
 | { | 
 |     struct copybit_context_t* ctx = (struct copybit_context_t*)dev; | 
 |     int status = COPYBIT_SUCCESS; | 
 |     if (!ctx) { | 
 |         ALOGE("%s: null context", __FUNCTION__); | 
 |         return -EINVAL; | 
 |     } | 
 |  | 
 |     pthread_mutex_lock(&ctx->wait_cleanup_lock); | 
 |     switch(name) { | 
 |         case COPYBIT_PLANE_ALPHA: | 
 |         { | 
 |             if (value < 0)      value = 0; | 
 |             if (value >= 256)   value = 255; | 
 |  | 
 |             ctx->src_global_alpha = value; | 
 |             if (value < 255) | 
 |                 ctx->config_mask |= C2D_GLOBAL_ALPHA_BIT; | 
 |             else | 
 |                 ctx->config_mask &= ~C2D_GLOBAL_ALPHA_BIT; | 
 |         } | 
 |         break; | 
 |         case COPYBIT_BLEND_MODE: | 
 |         { | 
 |             if (value == COPYBIT_BLENDING_NONE) { | 
 |                 ctx->config_mask |= C2D_ALPHA_BLEND_NONE; | 
 |                 ctx->is_premultiplied_alpha = true; | 
 |             } else if (value == COPYBIT_BLENDING_PREMULT) { | 
 |                 ctx->is_premultiplied_alpha = true; | 
 |             } else { | 
 |                 ctx->config_mask &= ~C2D_ALPHA_BLEND_NONE; | 
 |             } | 
 |         } | 
 |         break; | 
 |         case COPYBIT_TRANSFORM: | 
 |         { | 
 |             unsigned int transform = 0; | 
 |             uint32 config_mask = 0; | 
 |             config_mask |= C2D_OVERRIDE_GLOBAL_TARGET_ROTATE_CONFIG; | 
 |             if((value & 0x7) == COPYBIT_TRANSFORM_ROT_180) { | 
 |                 transform = C2D_TARGET_ROTATE_180; | 
 |                 config_mask |= C2D_OVERRIDE_TARGET_ROTATE_180; | 
 |             } else if((value & 0x7) == COPYBIT_TRANSFORM_ROT_270) { | 
 |                 transform = C2D_TARGET_ROTATE_90; | 
 |                 config_mask |= C2D_OVERRIDE_TARGET_ROTATE_90; | 
 |             } else if(value == COPYBIT_TRANSFORM_ROT_90) { | 
 |                 transform = C2D_TARGET_ROTATE_270; | 
 |                 config_mask |= C2D_OVERRIDE_TARGET_ROTATE_270; | 
 |             } else { | 
 |                 config_mask |= C2D_OVERRIDE_TARGET_ROTATE_0; | 
 |                 if(value & COPYBIT_TRANSFORM_FLIP_H) { | 
 |                     config_mask |= C2D_MIRROR_H_BIT; | 
 |                 } else if(value & COPYBIT_TRANSFORM_FLIP_V) { | 
 |                     config_mask |= C2D_MIRROR_V_BIT; | 
 |                 } | 
 |             } | 
 |  | 
 |             if (ctx->c2d_driver_info.capabilities_mask & | 
 |                 C2D_DRIVER_SUPPORTS_OVERRIDE_TARGET_ROTATE_OP) { | 
 |                 ctx->config_mask |= config_mask; | 
 |             } else { | 
 |                 // The transform for this surface does not match the current | 
 |                 // target transform. Draw all previous surfaces. This will be | 
 |                 // changed once we have a new mechanism to send different | 
 |                 // target rotations to c2d. | 
 |                 finish_copybit(dev); | 
 |             } | 
 |             ctx->trg_transform = transform; | 
 |         } | 
 |         break; | 
 |         case COPYBIT_FRAMEBUFFER_WIDTH: | 
 |             ctx->fb_width = value; | 
 |             break; | 
 |         case COPYBIT_FRAMEBUFFER_HEIGHT: | 
 |             ctx->fb_height = value; | 
 |             break; | 
 |         case COPYBIT_ROTATION_DEG: | 
 |         case COPYBIT_DITHER: | 
 |         case COPYBIT_BLUR: | 
 |         case COPYBIT_BLIT_TO_FRAMEBUFFER: | 
 |             // Do nothing | 
 |             break; | 
 |         default: | 
 |             ALOGE("%s: default case param=0x%x", __FUNCTION__, name); | 
 |             status = -EINVAL; | 
 |             break; | 
 |     } | 
 |     pthread_mutex_unlock(&ctx->wait_cleanup_lock); | 
 |     return status; | 
 | } | 
 |  | 
 | /** Get a static info value */ | 
 | static int get(struct copybit_device_t *dev, int name) | 
 | { | 
 |     struct copybit_context_t* ctx = (struct copybit_context_t*)dev; | 
 |     int value; | 
 |  | 
 |     if (!ctx) { | 
 |         ALOGE("%s: null context error", __FUNCTION__); | 
 |         return -EINVAL; | 
 |     } | 
 |  | 
 |     switch(name) { | 
 |         case COPYBIT_MINIFICATION_LIMIT: | 
 |             value = MAX_SCALE_FACTOR; | 
 |             break; | 
 |         case COPYBIT_MAGNIFICATION_LIMIT: | 
 |             value = MAX_SCALE_FACTOR; | 
 |             break; | 
 |         case COPYBIT_SCALING_FRAC_BITS: | 
 |             value = 32; | 
 |             break; | 
 |         case COPYBIT_ROTATION_STEP_DEG: | 
 |             value = 1; | 
 |             break; | 
 |         default: | 
 |             ALOGE("%s: default case param=0x%x", __FUNCTION__, name); | 
 |             value = -EINVAL; | 
 |     } | 
 |     return value; | 
 | } | 
 |  | 
 | static int is_alpha(int cformat) | 
 | { | 
 |     int alpha = 0; | 
 |     switch (cformat & 0xFF) { | 
 |         case C2D_COLOR_FORMAT_8888_ARGB: | 
 |         case C2D_COLOR_FORMAT_8888_RGBA: | 
 |         case C2D_COLOR_FORMAT_5551_RGBA: | 
 |         case C2D_COLOR_FORMAT_4444_ARGB: | 
 |             alpha = 1; | 
 |             break; | 
 |         default: | 
 |             alpha = 0; | 
 |             break; | 
 |     } | 
 |  | 
 |     if(alpha && (cformat&C2D_FORMAT_DISABLE_ALPHA)) | 
 |         alpha = 0; | 
 |  | 
 |     return alpha; | 
 | } | 
 |  | 
 | /* Function to check if we need a temporary buffer for the blit. | 
 |  * This would happen if the requested destination stride and the | 
 |  * C2D stride do not match. We ignore RGB buffers, since their | 
 |  * stride is always aligned to 32. | 
 |  */ | 
 | static bool need_temp_buffer(struct copybit_image_t const *img) | 
 | { | 
 |     if (COPYBIT_SUCCESS == is_supported_rgb_format(img->format)) | 
 |         return false; | 
 |  | 
 |     struct private_handle_t* handle = (struct private_handle_t*)img->handle; | 
 |  | 
 |     // The width parameter in the handle contains the aligned_w. We check if we | 
 |     // need to convert based on this param. YUV formats have bpp=1, so checking | 
 |     // if the requested stride is aligned should suffice. | 
 |     if (0 == (handle->width)%32) { | 
 |         return false; | 
 |     } | 
 |  | 
 |     return true; | 
 | } | 
 |  | 
 | /* Function to extract the information from the copybit image and set the corresponding | 
 |  * values in the bufferInfo struct. | 
 |  */ | 
 | static void populate_buffer_info(struct copybit_image_t const *img, bufferInfo& info) | 
 | { | 
 |     info.width = img->w; | 
 |     info.height = img->h; | 
 |     info.format = img->format; | 
 | } | 
 |  | 
 | /* Function to get the required size for a particular format, inorder for C2D to perform | 
 |  * the blit operation. | 
 |  */ | 
 | static size_t get_size(const bufferInfo& info) | 
 | { | 
 |     int size = 0; | 
 |     int w = info.width; | 
 |     int h = info.height; | 
 |     int aligned_w = ALIGN(w, 32); | 
 |     switch(info.format) { | 
 |         case HAL_PIXEL_FORMAT_NV12_ENCODEABLE: | 
 |             { | 
 |                 // Chroma for this format is aligned to 2K. | 
 |                 size = ALIGN((aligned_w*h), 2048) + | 
 |                         ALIGN(aligned_w/2, 32) * (h/2) *2; | 
 |                 size = ALIGN(size, 4096); | 
 |             } break; | 
 |         case HAL_PIXEL_FORMAT_YCbCr_420_SP: | 
 |         case HAL_PIXEL_FORMAT_YCrCb_420_SP: | 
 |             { | 
 |                 size = aligned_w * h + | 
 |                        ALIGN(aligned_w/2, 32) * (h/2) * 2; | 
 |                 size = ALIGN(size, 4096); | 
 |             } break; | 
 |         default: break; | 
 |     } | 
 |     return size; | 
 | } | 
 |  | 
 | /* Function to allocate memory for the temporary buffer. This memory is | 
 |  * allocated from Ashmem. It is the caller's responsibility to free this | 
 |  * memory. | 
 |  */ | 
 | static int get_temp_buffer(const bufferInfo& info, alloc_data& data) | 
 | { | 
 |     ALOGD("%s E", __FUNCTION__); | 
 |     // Alloc memory from system heap | 
 |     data.base = 0; | 
 |     data.fd = -1; | 
 |     data.offset = 0; | 
 |     data.size = get_size(info); | 
 |     data.align = getpagesize(); | 
 |     data.uncached = true; | 
 |     int allocFlags = GRALLOC_USAGE_PRIVATE_SYSTEM_HEAP; | 
 |  | 
 |     if (sAlloc == 0) { | 
 |         sAlloc = gralloc::IAllocController::getInstance(); | 
 |     } | 
 |  | 
 |     if (sAlloc == 0) { | 
 |         ALOGE("%s: sAlloc is still NULL", __FUNCTION__); | 
 |         return COPYBIT_FAILURE; | 
 |     } | 
 |  | 
 |     int err = sAlloc->allocate(data, allocFlags); | 
 |     if (0 != err) { | 
 |         ALOGE("%s: allocate failed", __FUNCTION__); | 
 |         return COPYBIT_FAILURE; | 
 |     } | 
 |  | 
 |     ALOGD("%s X", __FUNCTION__); | 
 |     return err; | 
 | } | 
 |  | 
 | /* Function to free the temporary allocated memory.*/ | 
 | static void free_temp_buffer(alloc_data &data) | 
 | { | 
 |     if (-1 != data.fd) { | 
 |         IMemAlloc* memalloc = sAlloc->getAllocator(data.allocType); | 
 |         memalloc->free_buffer(data.base, data.size, 0, data.fd); | 
 |     } | 
 | } | 
 |  | 
 | /* Function to perform the software color conversion. Convert the | 
 |  * C2D compatible format to the Android compatible format | 
 |  */ | 
 | static int copy_image(private_handle_t *src_handle, | 
 |                       struct copybit_image_t const *rhs, | 
 |                       eConversionType conversionType) | 
 | { | 
 |     if (src_handle->fd == -1) { | 
 |         ALOGE("%s: src_handle fd is invalid", __FUNCTION__); | 
 |         return COPYBIT_FAILURE; | 
 |     } | 
 |  | 
 |     // Copy the info. | 
 |     int ret = COPYBIT_SUCCESS; | 
 |     switch(rhs->format) { | 
 |         case HAL_PIXEL_FORMAT_NV12_ENCODEABLE: | 
 |         case HAL_PIXEL_FORMAT_YCbCr_420_SP: | 
 |         case HAL_PIXEL_FORMAT_YCrCb_420_SP: | 
 |             { | 
 |                 if (CONVERT_TO_ANDROID_FORMAT == conversionType) { | 
 |                     return convert_yuv_c2d_to_yuv_android(src_handle, rhs); | 
 |                 } else { | 
 |                     return convert_yuv_android_to_yuv_c2d(src_handle, rhs); | 
 |                 } | 
 |  | 
 |             } break; | 
 |         default: { | 
 |             ALOGE("%s: invalid format 0x%x", __FUNCTION__, rhs->format); | 
 |             ret = COPYBIT_FAILURE; | 
 |         } break; | 
 |     } | 
 |     return ret; | 
 | } | 
 |  | 
 | static void delete_handle(private_handle_t *handle) | 
 | { | 
 |     if (handle) { | 
 |         delete handle; | 
 |         handle = 0; | 
 |     } | 
 | } | 
 |  | 
 | static bool need_to_execute_draw(eC2DFlags flags) | 
 | { | 
 |     if (flags & FLAGS_TEMP_SRC_DST) { | 
 |         return true; | 
 |     } | 
 |     if (flags & FLAGS_YUV_DESTINATION) { | 
 |         return true; | 
 |     } | 
 |     return false; | 
 | } | 
 |  | 
 | /** do a stretch blit type operation */ | 
 | static int stretch_copybit_internal( | 
 |     struct copybit_device_t *dev, | 
 |     struct copybit_image_t const *dst, | 
 |     struct copybit_image_t const *src, | 
 |     struct copybit_rect_t const *dst_rect, | 
 |     struct copybit_rect_t const *src_rect, | 
 |     struct copybit_region_t const *region, | 
 |     bool enableBlend) | 
 | { | 
 |     struct copybit_context_t* ctx = (struct copybit_context_t*)dev; | 
 |     int status = COPYBIT_SUCCESS; | 
 |     int flags = 0; | 
 |     int src_surface_type; | 
 |     int mapped_src_idx = -1, mapped_dst_idx = -1; | 
 |     C2D_OBJECT_STR src_surface; | 
 |  | 
 |     if (!ctx) { | 
 |         ALOGE("%s: null context error", __FUNCTION__); | 
 |         return -EINVAL; | 
 |     } | 
 |  | 
 |     if (src->w > MAX_DIMENSION || src->h > MAX_DIMENSION) { | 
 |         ALOGE("%s: src dimension error", __FUNCTION__); | 
 |         return -EINVAL; | 
 |     } | 
 |  | 
 |     if (dst->w > MAX_DIMENSION || dst->h > MAX_DIMENSION) { | 
 |         ALOGE("%s : dst dimension error dst w %d h %d",  __FUNCTION__, dst->w, | 
 |                                                          dst->h); | 
 |         return -EINVAL; | 
 |     } | 
 |  | 
 |     if (is_valid_destination_format(dst->format) == COPYBIT_FAILURE) { | 
 |         ALOGE("%s: Invalid destination format format = 0x%x", __FUNCTION__, | 
 |                                                               dst->format); | 
 |         return COPYBIT_FAILURE; | 
 |     } | 
 |  | 
 |     int dst_surface_type; | 
 |     if (is_supported_rgb_format(dst->format) == COPYBIT_SUCCESS) { | 
 |         dst_surface_type = RGB_SURFACE; | 
 |         flags |= FLAGS_PREMULTIPLIED_ALPHA; | 
 |     } else if (is_supported_yuv_format(dst->format) == COPYBIT_SUCCESS) { | 
 |         int num_planes = get_num_planes(dst->format); | 
 |         flags |= FLAGS_YUV_DESTINATION; | 
 |         if (num_planes == 2) { | 
 |             dst_surface_type = YUV_SURFACE_2_PLANES; | 
 |         } else if (num_planes == 3) { | 
 |             dst_surface_type = YUV_SURFACE_3_PLANES; | 
 |         } else { | 
 |             ALOGE("%s: dst number of YUV planes is invalid dst format = 0x%x", | 
 |                   __FUNCTION__, dst->format); | 
 |             return COPYBIT_FAILURE; | 
 |         } | 
 |     } else { | 
 |         ALOGE("%s: Invalid dst surface format 0x%x", __FUNCTION__, | 
 |                                                      dst->format); | 
 |         return COPYBIT_FAILURE; | 
 |     } | 
 |  | 
 |     if (ctx->blit_rgb_count == MAX_RGB_SURFACES || | 
 |         ctx->blit_yuv_2_plane_count == MAX_YUV_2_PLANE_SURFACES || | 
 |         ctx->blit_yuv_3_plane_count == MAX_YUV_2_PLANE_SURFACES || | 
 |         ctx->blit_count == MAX_BLIT_OBJECT_COUNT || | 
 |         ctx->dst_surface_type != dst_surface_type) { | 
 |         // we have reached the max. limits of our internal structures or | 
 |         // changed the target. | 
 |         // Draw the remaining surfaces. We need to do the finish here since | 
 |         // we need to free up the surface templates. | 
 |         finish_copybit(dev); | 
 |     } | 
 |  | 
 |     ctx->dst_surface_type = dst_surface_type; | 
 |  | 
 |     // Update the destination | 
 |     copybit_image_t dst_image; | 
 |     dst_image.w = dst->w; | 
 |     dst_image.h = dst->h; | 
 |     dst_image.format = dst->format; | 
 |     dst_image.handle = dst->handle; | 
 |     // Check if we need a temp. copy for the destination. We'd need this the destination | 
 |     // width is not aligned to 32. This case occurs for YUV formats. RGB formats are | 
 |     // aligned to 32. | 
 |     bool need_temp_dst = need_temp_buffer(dst); | 
 |     bufferInfo dst_info; | 
 |     populate_buffer_info(dst, dst_info); | 
 |     private_handle_t* dst_hnd = new private_handle_t(-1, 0, 0, 0, dst_info.format, | 
 |                                                      dst_info.width, dst_info.height); | 
 |     if (dst_hnd == NULL) { | 
 |         ALOGE("%s: dst_hnd is null", __FUNCTION__); | 
 |         return COPYBIT_FAILURE; | 
 |     } | 
 |     if (need_temp_dst) { | 
 |         if (get_size(dst_info) != ctx->temp_dst_buffer.size) { | 
 |             free_temp_buffer(ctx->temp_dst_buffer); | 
 |             // Create a temp buffer and set that as the destination. | 
 |             if (COPYBIT_FAILURE == get_temp_buffer(dst_info, ctx->temp_dst_buffer)) { | 
 |                 ALOGE("%s: get_temp_buffer(dst) failed", __FUNCTION__); | 
 |                 delete_handle(dst_hnd); | 
 |                 return COPYBIT_FAILURE; | 
 |             } | 
 |         } | 
 |         dst_hnd->fd = ctx->temp_dst_buffer.fd; | 
 |         dst_hnd->size = ctx->temp_dst_buffer.size; | 
 |         dst_hnd->flags = ctx->temp_dst_buffer.allocType; | 
 |         dst_hnd->base = (uintptr_t)(ctx->temp_dst_buffer.base); | 
 |         dst_hnd->offset = ctx->temp_dst_buffer.offset; | 
 |         dst_hnd->gpuaddr = 0; | 
 |         dst_image.handle = dst_hnd; | 
 |     } | 
 |     if(!ctx->dst_surface_mapped) { | 
 |         //map the destination surface to GPU address | 
 |         status = set_image(ctx, ctx->dst[ctx->dst_surface_type], &dst_image, | 
 |                            (eC2DFlags)flags, mapped_dst_idx); | 
 |         if(status) { | 
 |             ALOGE("%s: dst: set_image error", __FUNCTION__); | 
 |             delete_handle(dst_hnd); | 
 |             unmap_gpuaddr(ctx, mapped_dst_idx); | 
 |             return COPYBIT_FAILURE; | 
 |         } | 
 |         ctx->dst_surface_mapped = true; | 
 |         ctx->dst_surface_base = dst->base; | 
 |     } else if(ctx->dst_surface_mapped && ctx->dst_surface_base != dst->base) { | 
 |         // Destination surface for the operation should be same for multiple | 
 |         // requests, this check is catch if there is any case when the | 
 |         // destination changes | 
 |         ALOGE("%s: a different destination surface!!", __FUNCTION__); | 
 |     } | 
 |  | 
 |     // Update the source | 
 |     flags = 0; | 
 |     if(is_supported_rgb_format(src->format) == COPYBIT_SUCCESS) { | 
 |         src_surface_type = RGB_SURFACE; | 
 |         src_surface = ctx->blit_rgb_object[ctx->blit_rgb_count]; | 
 |     } else if (is_supported_yuv_format(src->format) == COPYBIT_SUCCESS) { | 
 |         int num_planes = get_num_planes(src->format); | 
 |         if (num_planes == 2) { | 
 |             src_surface_type = YUV_SURFACE_2_PLANES; | 
 |             src_surface = ctx->blit_yuv_2_plane_object[ctx->blit_yuv_2_plane_count]; | 
 |         } else if (num_planes == 3) { | 
 |             src_surface_type = YUV_SURFACE_3_PLANES; | 
 |             src_surface = ctx->blit_yuv_3_plane_object[ctx->blit_yuv_2_plane_count]; | 
 |         } else { | 
 |             ALOGE("%s: src number of YUV planes is invalid src format = 0x%x", | 
 |                   __FUNCTION__, src->format); | 
 |             delete_handle(dst_hnd); | 
 |             unmap_gpuaddr(ctx, mapped_dst_idx); | 
 |             return -EINVAL; | 
 |         } | 
 |     } else { | 
 |         ALOGE("%s: Invalid source surface format 0x%x", __FUNCTION__, | 
 |                                                         src->format); | 
 |         delete_handle(dst_hnd); | 
 |         unmap_gpuaddr(ctx, mapped_dst_idx); | 
 |         return -EINVAL; | 
 |     } | 
 |  | 
 |     copybit_image_t src_image; | 
 |     src_image.w = src->w; | 
 |     src_image.h = src->h; | 
 |     src_image.format = src->format; | 
 |     src_image.handle = src->handle; | 
 |  | 
 |     bool need_temp_src = need_temp_buffer(src); | 
 |     bufferInfo src_info; | 
 |     populate_buffer_info(src, src_info); | 
 |     private_handle_t* src_hnd = new private_handle_t(-1, 0, 0, 0, src_info.format, | 
 |                                                  src_info.width, src_info.height); | 
 |     if (NULL == src_hnd) { | 
 |         ALOGE("%s: src_hnd is null", __FUNCTION__); | 
 |         delete_handle(dst_hnd); | 
 |         unmap_gpuaddr(ctx, mapped_dst_idx); | 
 |         return COPYBIT_FAILURE; | 
 |     } | 
 |     if (need_temp_src) { | 
 |         if (get_size(src_info) != ctx->temp_src_buffer.size) { | 
 |             free_temp_buffer(ctx->temp_src_buffer); | 
 |             // Create a temp buffer and set that as the destination. | 
 |             if (COPYBIT_SUCCESS != get_temp_buffer(src_info, | 
 |                                                ctx->temp_src_buffer)) { | 
 |                 ALOGE("%s: get_temp_buffer(src) failed", __FUNCTION__); | 
 |                 delete_handle(dst_hnd); | 
 |                 delete_handle(src_hnd); | 
 |                 unmap_gpuaddr(ctx, mapped_dst_idx); | 
 |                 return COPYBIT_FAILURE; | 
 |             } | 
 |         } | 
 |         src_hnd->fd = ctx->temp_src_buffer.fd; | 
 |         src_hnd->size = ctx->temp_src_buffer.size; | 
 |         src_hnd->flags = ctx->temp_src_buffer.allocType; | 
 |         src_hnd->base = (uintptr_t)(ctx->temp_src_buffer.base); | 
 |         src_hnd->offset = ctx->temp_src_buffer.offset; | 
 |         src_hnd->gpuaddr = 0; | 
 |         src_image.handle = src_hnd; | 
 |  | 
 |         // Copy the source. | 
 |         status = copy_image((private_handle_t *)src->handle, &src_image, | 
 |                                 CONVERT_TO_C2D_FORMAT); | 
 |         if (status == COPYBIT_FAILURE) { | 
 |             ALOGE("%s:copy_image failed in temp source",__FUNCTION__); | 
 |             delete_handle(dst_hnd); | 
 |             delete_handle(src_hnd); | 
 |             unmap_gpuaddr(ctx, mapped_dst_idx); | 
 |             return status; | 
 |         } | 
 |  | 
 |         // Clean the cache | 
 |         IMemAlloc* memalloc = sAlloc->getAllocator(src_hnd->flags); | 
 |         if (memalloc->clean_buffer((void *)(src_hnd->base), src_hnd->size, | 
 |                                    src_hnd->offset, src_hnd->fd, | 
 |                                    gralloc::CACHE_CLEAN)) { | 
 |             ALOGE("%s: clean_buffer failed", __FUNCTION__); | 
 |             delete_handle(dst_hnd); | 
 |             delete_handle(src_hnd); | 
 |             unmap_gpuaddr(ctx, mapped_dst_idx); | 
 |             return COPYBIT_FAILURE; | 
 |         } | 
 |     } | 
 |  | 
 |     flags |= (ctx->is_premultiplied_alpha) ? FLAGS_PREMULTIPLIED_ALPHA : 0; | 
 |     flags |= (ctx->dst_surface_type != RGB_SURFACE) ? FLAGS_YUV_DESTINATION : 0; | 
 |     status = set_image(ctx, src_surface.surface_id, &src_image, | 
 |                        (eC2DFlags)flags, mapped_src_idx); | 
 |     if(status) { | 
 |         ALOGE("%s: set_image (src) error", __FUNCTION__); | 
 |         delete_handle(dst_hnd); | 
 |         delete_handle(src_hnd); | 
 |         unmap_gpuaddr(ctx, mapped_dst_idx); | 
 |         unmap_gpuaddr(ctx, mapped_src_idx); | 
 |         return COPYBIT_FAILURE; | 
 |     } | 
 |  | 
 |     src_surface.config_mask = C2D_NO_ANTIALIASING_BIT | ctx->config_mask; | 
 |     src_surface.global_alpha = ctx->src_global_alpha; | 
 |     if (enableBlend) { | 
 |         if(src_surface.config_mask & C2D_GLOBAL_ALPHA_BIT) { | 
 |             src_surface.config_mask &= ~C2D_ALPHA_BLEND_NONE; | 
 |             if(!(src_surface.global_alpha)) { | 
 |                 // src alpha is zero | 
 |                 delete_handle(dst_hnd); | 
 |                 delete_handle(src_hnd); | 
 |                 unmap_gpuaddr(ctx, mapped_dst_idx); | 
 |                 unmap_gpuaddr(ctx, mapped_src_idx); | 
 |                 return COPYBIT_FAILURE; | 
 |             } | 
 |         } | 
 |     } else { | 
 |         src_surface.config_mask |= C2D_ALPHA_BLEND_NONE; | 
 |     } | 
 |  | 
 |     if (src_surface_type == RGB_SURFACE) { | 
 |         ctx->blit_rgb_object[ctx->blit_rgb_count] = src_surface; | 
 |         ctx->blit_rgb_count++; | 
 |     } else if (src_surface_type == YUV_SURFACE_2_PLANES) { | 
 |         ctx->blit_yuv_2_plane_object[ctx->blit_yuv_2_plane_count] = src_surface; | 
 |         ctx->blit_yuv_2_plane_count++; | 
 |     } else { | 
 |         ctx->blit_yuv_3_plane_object[ctx->blit_yuv_3_plane_count] = src_surface; | 
 |         ctx->blit_yuv_3_plane_count++; | 
 |     } | 
 |  | 
 |     struct copybit_rect_t clip; | 
 |     while ((status == 0) && region->next(region, &clip)) { | 
 |         set_rects(ctx, &(src_surface), dst_rect, src_rect, &clip); | 
 |         if (ctx->blit_count == MAX_BLIT_OBJECT_COUNT) { | 
 |             ALOGW("Reached end of blit count"); | 
 |             finish_copybit(dev); | 
 |         } | 
 |         ctx->blit_list[ctx->blit_count] = src_surface; | 
 |         ctx->blit_count++; | 
 |     } | 
 |  | 
 |     // Check if we need to perform an early draw-finish. | 
 |     flags |= (need_temp_dst || need_temp_src) ? FLAGS_TEMP_SRC_DST : 0; | 
 |     if (need_to_execute_draw((eC2DFlags)flags)) | 
 |     { | 
 |         finish_copybit(dev); | 
 |     } | 
 |  | 
 |     if (need_temp_dst) { | 
 |         // copy the temp. destination without the alignment to the actual | 
 |         // destination. | 
 |         status = copy_image(dst_hnd, dst, CONVERT_TO_ANDROID_FORMAT); | 
 |         if (status == COPYBIT_FAILURE) { | 
 |             ALOGE("%s:copy_image failed in temp Dest",__FUNCTION__); | 
 |             delete_handle(dst_hnd); | 
 |             delete_handle(src_hnd); | 
 |             unmap_gpuaddr(ctx, mapped_dst_idx); | 
 |             unmap_gpuaddr(ctx, mapped_src_idx); | 
 |             return status; | 
 |         } | 
 |         // Clean the cache. | 
 |         IMemAlloc* memalloc = sAlloc->getAllocator(dst_hnd->flags); | 
 |         memalloc->clean_buffer((void *)(dst_hnd->base), dst_hnd->size, | 
 |                                dst_hnd->offset, dst_hnd->fd, | 
 |                                gralloc::CACHE_CLEAN); | 
 |     } | 
 |     delete_handle(dst_hnd); | 
 |     delete_handle(src_hnd); | 
 |  | 
 |     ctx->is_premultiplied_alpha = false; | 
 |     ctx->fb_width = 0; | 
 |     ctx->fb_height = 0; | 
 |     ctx->config_mask = 0; | 
 |     return status; | 
 | } | 
 |  | 
 | static int set_sync_copybit(struct copybit_device_t *dev, | 
 |     int /*acquireFenceFd*/) | 
 | { | 
 |     if(!dev) | 
 |         return -EINVAL; | 
 |  | 
 |     return 0; | 
 | } | 
 |  | 
 | static int stretch_copybit( | 
 |     struct copybit_device_t *dev, | 
 |     struct copybit_image_t const *dst, | 
 |     struct copybit_image_t const *src, | 
 |     struct copybit_rect_t const *dst_rect, | 
 |     struct copybit_rect_t const *src_rect, | 
 |     struct copybit_region_t const *region) | 
 | { | 
 |     struct copybit_context_t* ctx = (struct copybit_context_t*)dev; | 
 |     int status = COPYBIT_SUCCESS; | 
 |     bool needsBlending = (ctx->src_global_alpha != 0); | 
 |     pthread_mutex_lock(&ctx->wait_cleanup_lock); | 
 |     status = stretch_copybit_internal(dev, dst, src, dst_rect, src_rect, | 
 |                                     region, needsBlending); | 
 |     pthread_mutex_unlock(&ctx->wait_cleanup_lock); | 
 |     return status; | 
 | } | 
 |  | 
 | /** Perform a blit type operation */ | 
 | static int blit_copybit( | 
 |     struct copybit_device_t *dev, | 
 |     struct copybit_image_t const *dst, | 
 |     struct copybit_image_t const *src, | 
 |     struct copybit_region_t const *region) | 
 | { | 
 |     int status = COPYBIT_SUCCESS; | 
 |     struct copybit_context_t* ctx = (struct copybit_context_t*)dev; | 
 |     struct copybit_rect_t dr = { 0, 0, (int)dst->w, (int)dst->h }; | 
 |     struct copybit_rect_t sr = { 0, 0, (int)src->w, (int)src->h }; | 
 |     pthread_mutex_lock(&ctx->wait_cleanup_lock); | 
 |     status = stretch_copybit_internal(dev, dst, src, &dr, &sr, region, false); | 
 |     pthread_mutex_unlock(&ctx->wait_cleanup_lock); | 
 |     return status; | 
 | } | 
 |  | 
 | /** Fill the rect on dst with RGBA color **/ | 
 | static int fill_color(struct copybit_device_t *dev, | 
 |                       struct copybit_image_t const *dst, | 
 |                       struct copybit_rect_t const *rect, | 
 |                       uint32_t /*color*/) | 
 | { | 
 |     // TODO: Implement once c2d driver supports color fill | 
 |     if(!dev || !dst || !rect) | 
 |        return -EINVAL; | 
 |  | 
 |     return -EINVAL; | 
 | } | 
 |  | 
 | /*****************************************************************************/ | 
 |  | 
 | static void clean_up(copybit_context_t* ctx) | 
 | { | 
 |     void* ret; | 
 |     if (!ctx) | 
 |         return; | 
 |  | 
 |     // stop the wait_cleanup_thread | 
 |     pthread_mutex_lock(&ctx->wait_cleanup_lock); | 
 |     ctx->stop_thread = true; | 
 |     // Signal waiting thread | 
 |     pthread_cond_signal(&ctx->wait_cleanup_cond); | 
 |     pthread_mutex_unlock(&ctx->wait_cleanup_lock); | 
 |     // waits for the cleanup thread to exit | 
 |     pthread_join(ctx->wait_thread_id, &ret); | 
 |     pthread_mutex_destroy(&ctx->wait_cleanup_lock); | 
 |     pthread_cond_destroy (&ctx->wait_cleanup_cond); | 
 |  | 
 |     for (int i = 0; i < NUM_SURFACE_TYPES; i++) { | 
 |         if (ctx->dst[i]) | 
 |             LINK_c2dDestroySurface(ctx->dst[i]); | 
 |     } | 
 |  | 
 |     for (int i = 0; i < MAX_RGB_SURFACES; i++) { | 
 |         if (ctx->blit_rgb_object[i].surface_id) | 
 |             LINK_c2dDestroySurface(ctx->blit_rgb_object[i].surface_id); | 
 |     } | 
 |  | 
 |     for (int i = 0; i < MAX_YUV_2_PLANE_SURFACES; i++) { | 
 |         if (ctx->blit_yuv_2_plane_object[i].surface_id) | 
 |             LINK_c2dDestroySurface(ctx->blit_yuv_2_plane_object[i].surface_id); | 
 |     } | 
 |  | 
 |     for (int i = 0; i < MAX_YUV_3_PLANE_SURFACES; i++) { | 
 |         if (ctx->blit_yuv_3_plane_object[i].surface_id) | 
 |             LINK_c2dDestroySurface(ctx->blit_yuv_3_plane_object[i].surface_id); | 
 |     } | 
 |  | 
 |     if (ctx->libc2d2) { | 
 |         ::dlclose(ctx->libc2d2); | 
 |         ALOGV("dlclose(libc2d2)"); | 
 |     } | 
 |  | 
 |     free(ctx); | 
 | } | 
 |  | 
 | /** Close the copybit device */ | 
 | static int close_copybit(struct hw_device_t *dev) | 
 | { | 
 |     struct copybit_context_t* ctx = (struct copybit_context_t*)dev; | 
 |     if (ctx) { | 
 |         free_temp_buffer(ctx->temp_src_buffer); | 
 |         free_temp_buffer(ctx->temp_dst_buffer); | 
 |     } | 
 |     clean_up(ctx); | 
 |     return 0; | 
 | } | 
 |  | 
 | /** Open a new instance of a copybit device using name */ | 
 | static int open_copybit(const struct hw_module_t* module, const char* name, | 
 |                         struct hw_device_t** device) | 
 | { | 
 |     int status = COPYBIT_SUCCESS; | 
 |     if (strcmp(name, COPYBIT_HARDWARE_COPYBIT0)) { | 
 |         return COPYBIT_FAILURE; | 
 |     } | 
 |  | 
 |     C2D_RGB_SURFACE_DEF surfDefinition = {0}; | 
 |     C2D_YUV_SURFACE_DEF yuvSurfaceDef = {0} ; | 
 |     struct copybit_context_t *ctx; | 
 |  | 
 |     ctx = (struct copybit_context_t *)malloc(sizeof(struct copybit_context_t)); | 
 |     if(!ctx) { | 
 |         ALOGE("%s: malloc failed", __FUNCTION__); | 
 |         return COPYBIT_FAILURE; | 
 |     } | 
 |  | 
 |     /* initialize drawstate */ | 
 |     memset(ctx, 0, sizeof(*ctx)); | 
 |     ctx->libc2d2 = ::dlopen("libC2D2.so", RTLD_NOW); | 
 |     if (!ctx->libc2d2) { | 
 |         ALOGE("FATAL ERROR: could not dlopen libc2d2.so: %s", dlerror()); | 
 |         clean_up(ctx); | 
 |         status = COPYBIT_FAILURE; | 
 |         *device = NULL; | 
 |         return status; | 
 |     } | 
 |     *(void **)&LINK_c2dCreateSurface = ::dlsym(ctx->libc2d2, | 
 |                                                "c2dCreateSurface"); | 
 |     *(void **)&LINK_c2dUpdateSurface = ::dlsym(ctx->libc2d2, | 
 |                                                "c2dUpdateSurface"); | 
 |     *(void **)&LINK_c2dReadSurface = ::dlsym(ctx->libc2d2, | 
 |                                              "c2dReadSurface"); | 
 |     *(void **)&LINK_c2dDraw = ::dlsym(ctx->libc2d2, "c2dDraw"); | 
 |     *(void **)&LINK_c2dFlush = ::dlsym(ctx->libc2d2, "c2dFlush"); | 
 |     *(void **)&LINK_c2dFinish = ::dlsym(ctx->libc2d2, "c2dFinish"); | 
 |     *(void **)&LINK_c2dWaitTimestamp = ::dlsym(ctx->libc2d2, | 
 |                                                "c2dWaitTimestamp"); | 
 |     *(void **)&LINK_c2dDestroySurface = ::dlsym(ctx->libc2d2, | 
 |                                                 "c2dDestroySurface"); | 
 |     *(void **)&LINK_c2dMapAddr = ::dlsym(ctx->libc2d2, | 
 |                                          "c2dMapAddr"); | 
 |     *(void **)&LINK_c2dUnMapAddr = ::dlsym(ctx->libc2d2, | 
 |                                            "c2dUnMapAddr"); | 
 |     *(void **)&LINK_c2dGetDriverCapabilities = ::dlsym(ctx->libc2d2, | 
 |                                            "c2dGetDriverCapabilities"); | 
 |     *(void **)&LINK_c2dCreateFenceFD = ::dlsym(ctx->libc2d2, | 
 |                                            "c2dCreateFenceFD"); | 
 |     *(void **)&LINK_c2dFillSurface = ::dlsym(ctx->libc2d2, | 
 |                                            "c2dFillSurface"); | 
 |  | 
 |     if (!LINK_c2dCreateSurface || !LINK_c2dUpdateSurface || !LINK_c2dReadSurface | 
 |         || !LINK_c2dDraw || !LINK_c2dFlush || !LINK_c2dWaitTimestamp || | 
 |         !LINK_c2dFinish  || !LINK_c2dDestroySurface || | 
 |         !LINK_c2dGetDriverCapabilities || !LINK_c2dCreateFenceFD || | 
 |         !LINK_c2dFillSurface) { | 
 |         ALOGE("%s: dlsym ERROR", __FUNCTION__); | 
 |         clean_up(ctx); | 
 |         status = COPYBIT_FAILURE; | 
 |         *device = NULL; | 
 |         return status; | 
 |     } | 
 |  | 
 |     ctx->device.common.tag = HARDWARE_DEVICE_TAG; | 
 |     ctx->device.common.version = 1; | 
 |     ctx->device.common.module = (hw_module_t*)(module); | 
 |     ctx->device.common.close = close_copybit; | 
 |     ctx->device.set_parameter = set_parameter_copybit; | 
 |     ctx->device.get = get; | 
 |     ctx->device.blit = blit_copybit; | 
 |     ctx->device.set_sync = set_sync_copybit; | 
 |     ctx->device.stretch = stretch_copybit; | 
 |     ctx->device.finish = finish_copybit; | 
 |     ctx->device.flush_get_fence = flush_get_fence_copybit; | 
 |     ctx->device.clear = clear_copybit; | 
 |     ctx->device.fill_color = fill_color; | 
 |  | 
 |     /* Create RGB Surface */ | 
 |     surfDefinition.buffer = (void*)0xdddddddd; | 
 |     surfDefinition.phys = (void*)0xdddddddd; | 
 |     surfDefinition.stride = 1 * 4; | 
 |     surfDefinition.width = 1; | 
 |     surfDefinition.height = 1; | 
 |     surfDefinition.format = C2D_COLOR_FORMAT_8888_ARGB; | 
 |     if (LINK_c2dCreateSurface(&(ctx->dst[RGB_SURFACE]), C2D_TARGET | C2D_SOURCE, | 
 |                               (C2D_SURFACE_TYPE)(C2D_SURFACE_RGB_HOST | | 
 |                                                  C2D_SURFACE_WITH_PHYS | | 
 |                                                  C2D_SURFACE_WITH_PHYS_DUMMY ), | 
 |                                                  &surfDefinition)) { | 
 |         ALOGE("%s: create ctx->dst_surface[RGB_SURFACE] failed", __FUNCTION__); | 
 |         ctx->dst[RGB_SURFACE] = 0; | 
 |         clean_up(ctx); | 
 |         status = COPYBIT_FAILURE; | 
 |         *device = NULL; | 
 |         return status; | 
 |     } | 
 |  | 
 |     unsigned int surface_id = 0; | 
 |     for (int i = 0; i < MAX_RGB_SURFACES; i++) | 
 |     { | 
 |         if (LINK_c2dCreateSurface(&surface_id, C2D_TARGET | C2D_SOURCE, | 
 |                               (C2D_SURFACE_TYPE)(C2D_SURFACE_RGB_HOST | | 
 |                                                  C2D_SURFACE_WITH_PHYS | | 
 |                                                  C2D_SURFACE_WITH_PHYS_DUMMY ), | 
 |                                                  &surfDefinition)) { | 
 |             ALOGE("%s: create RGB source surface %d failed", __FUNCTION__, i); | 
 |             ctx->blit_rgb_object[i].surface_id = 0; | 
 |             status = COPYBIT_FAILURE; | 
 |             break; | 
 |         } else { | 
 |             ctx->blit_rgb_object[i].surface_id = surface_id; | 
 |             ALOGW("%s i = %d surface_id=%d",  __FUNCTION__, i, | 
 |                                           ctx->blit_rgb_object[i].surface_id); | 
 |         } | 
 |     } | 
 |  | 
 |     if (status == COPYBIT_FAILURE) { | 
 |         clean_up(ctx); | 
 |         status = COPYBIT_FAILURE; | 
 |         *device = NULL; | 
 |         return status; | 
 |     } | 
 |  | 
 |     // Create 2 plane YUV surfaces | 
 |     yuvSurfaceDef.format = C2D_COLOR_FORMAT_420_NV12; | 
 |     yuvSurfaceDef.width = 4; | 
 |     yuvSurfaceDef.height = 4; | 
 |     yuvSurfaceDef.plane0 = (void*)0xaaaaaaaa; | 
 |     yuvSurfaceDef.phys0 = (void*) 0xaaaaaaaa; | 
 |     yuvSurfaceDef.stride0 = 4; | 
 |  | 
 |     yuvSurfaceDef.plane1 = (void*)0xaaaaaaaa; | 
 |     yuvSurfaceDef.phys1 = (void*) 0xaaaaaaaa; | 
 |     yuvSurfaceDef.stride1 = 4; | 
 |     if (LINK_c2dCreateSurface(&(ctx->dst[YUV_SURFACE_2_PLANES]), | 
 |                               C2D_TARGET | C2D_SOURCE, | 
 |                               (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST | | 
 |                                C2D_SURFACE_WITH_PHYS | | 
 |                                C2D_SURFACE_WITH_PHYS_DUMMY), | 
 |                               &yuvSurfaceDef)) { | 
 |         ALOGE("%s: create ctx->dst[YUV_SURFACE_2_PLANES] failed", __FUNCTION__); | 
 |         ctx->dst[YUV_SURFACE_2_PLANES] = 0; | 
 |         clean_up(ctx); | 
 |         status = COPYBIT_FAILURE; | 
 |         *device = NULL; | 
 |         return status; | 
 |     } | 
 |  | 
 |     for (int i=0; i < MAX_YUV_2_PLANE_SURFACES; i++) | 
 |     { | 
 |         if (LINK_c2dCreateSurface(&surface_id, C2D_TARGET | C2D_SOURCE, | 
 |                               (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST | | 
 |                                                  C2D_SURFACE_WITH_PHYS | | 
 |                                                  C2D_SURFACE_WITH_PHYS_DUMMY ), | 
 |                               &yuvSurfaceDef)) { | 
 |             ALOGE("%s: create YUV source %d failed", __FUNCTION__, i); | 
 |             ctx->blit_yuv_2_plane_object[i].surface_id = 0; | 
 |             status = COPYBIT_FAILURE; | 
 |             break; | 
 |         } else { | 
 |             ctx->blit_yuv_2_plane_object[i].surface_id = surface_id; | 
 |             ALOGW("%s: 2 Plane YUV i=%d surface_id=%d",  __FUNCTION__, i, | 
 |                                    ctx->blit_yuv_2_plane_object[i].surface_id); | 
 |         } | 
 |     } | 
 |  | 
 |     if (status == COPYBIT_FAILURE) { | 
 |         clean_up(ctx); | 
 |         status = COPYBIT_FAILURE; | 
 |         *device = NULL; | 
 |         return status; | 
 |     } | 
 |  | 
 |     // Create YUV 3 plane surfaces | 
 |     yuvSurfaceDef.format = C2D_COLOR_FORMAT_420_YV12; | 
 |     yuvSurfaceDef.plane2 = (void*)0xaaaaaaaa; | 
 |     yuvSurfaceDef.phys2 = (void*) 0xaaaaaaaa; | 
 |     yuvSurfaceDef.stride2 = 4; | 
 |  | 
 |     if (LINK_c2dCreateSurface(&(ctx->dst[YUV_SURFACE_3_PLANES]), | 
 |                               C2D_TARGET | C2D_SOURCE, | 
 |                               (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST | | 
 |                                                  C2D_SURFACE_WITH_PHYS | | 
 |                                                  C2D_SURFACE_WITH_PHYS_DUMMY), | 
 |                               &yuvSurfaceDef)) { | 
 |         ALOGE("%s: create ctx->dst[YUV_SURFACE_3_PLANES] failed", __FUNCTION__); | 
 |         ctx->dst[YUV_SURFACE_3_PLANES] = 0; | 
 |         clean_up(ctx); | 
 |         status = COPYBIT_FAILURE; | 
 |         *device = NULL; | 
 |         return status; | 
 |     } | 
 |  | 
 |     for (int i=0; i < MAX_YUV_3_PLANE_SURFACES; i++) | 
 |     { | 
 |         if (LINK_c2dCreateSurface(&(surface_id), | 
 |                               C2D_TARGET | C2D_SOURCE, | 
 |                               (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST | | 
 |                                                  C2D_SURFACE_WITH_PHYS | | 
 |                                                  C2D_SURFACE_WITH_PHYS_DUMMY), | 
 |                               &yuvSurfaceDef)) { | 
 |             ALOGE("%s: create 3 plane YUV surface %d failed", __FUNCTION__, i); | 
 |             ctx->blit_yuv_3_plane_object[i].surface_id = 0; | 
 |             status = COPYBIT_FAILURE; | 
 |             break; | 
 |         } else { | 
 |             ctx->blit_yuv_3_plane_object[i].surface_id = surface_id; | 
 |             ALOGW("%s: 3 Plane YUV i=%d surface_id=%d",  __FUNCTION__, i, | 
 |                                    ctx->blit_yuv_3_plane_object[i].surface_id); | 
 |         } | 
 |     } | 
 |  | 
 |     if (status == COPYBIT_FAILURE) { | 
 |         clean_up(ctx); | 
 |         status = COPYBIT_FAILURE; | 
 |         *device = NULL; | 
 |         return status; | 
 |     } | 
 |  | 
 |     if (LINK_c2dGetDriverCapabilities(&(ctx->c2d_driver_info))) { | 
 |          ALOGE("%s: LINK_c2dGetDriverCapabilities failed", __FUNCTION__); | 
 |          clean_up(ctx); | 
 |          status = COPYBIT_FAILURE; | 
 |         *device = NULL; | 
 |         return status; | 
 |     } | 
 |     // Initialize context variables. | 
 |     ctx->trg_transform = C2D_TARGET_ROTATE_0; | 
 |  | 
 |     ctx->temp_src_buffer.fd = -1; | 
 |     ctx->temp_src_buffer.base = 0; | 
 |     ctx->temp_src_buffer.size = 0; | 
 |  | 
 |     ctx->temp_dst_buffer.fd = -1; | 
 |     ctx->temp_dst_buffer.base = 0; | 
 |     ctx->temp_dst_buffer.size = 0; | 
 |  | 
 |     ctx->fb_width = 0; | 
 |     ctx->fb_height = 0; | 
 |  | 
 |     ctx->blit_rgb_count = 0; | 
 |     ctx->blit_yuv_2_plane_count = 0; | 
 |     ctx->blit_yuv_3_plane_count = 0; | 
 |     ctx->blit_count = 0; | 
 |  | 
 |     ctx->wait_timestamp = false; | 
 |     ctx->stop_thread = false; | 
 |     pthread_mutex_init(&(ctx->wait_cleanup_lock), NULL); | 
 |     pthread_cond_init(&(ctx->wait_cleanup_cond), NULL); | 
 |     /* Start the wait thread */ | 
 |     pthread_attr_t attr; | 
 |     pthread_attr_init(&attr); | 
 |     pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE); | 
 |  | 
 |     pthread_create(&ctx->wait_thread_id, &attr, &c2d_wait_loop, | 
 |                                                             (void *)ctx); | 
 |     pthread_attr_destroy(&attr); | 
 |  | 
 |     *device = &ctx->device.common; | 
 |     return status; | 
 | } |