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1 /*
2  * Copyright (C) 2008 The Android Open Source Project
3  * Copyright (c) 2010-2013, 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 #include <cutils/ashmem.h>
39 #include <linux/ashmem.h>
40 #include <gralloc_priv.h>
41 
42 #include <copybit.h>
43 #include <alloc_controller.h>
44 #include <memalloc.h>
45 
46 #include "c2d2.h"
47 #include "software_converter.h"
48 
49 #include <dlfcn.h>
50 
51 using gralloc::IMemAlloc;
52 using gralloc::IonController;
53 using gralloc::alloc_data;
54 
55 C2D_STATUS (*LINK_c2dCreateSurface)( uint32 *surface_id,
56                                      uint32 surface_bits,
57                                      C2D_SURFACE_TYPE surface_type,
58                                      void *surface_definition );
59 
60 C2D_STATUS (*LINK_c2dUpdateSurface)( uint32 surface_id,
61                                      uint32 surface_bits,
62                                      C2D_SURFACE_TYPE surface_type,
63                                      void *surface_definition );
64 
65 C2D_STATUS (*LINK_c2dReadSurface)( uint32 surface_id,
66                                    C2D_SURFACE_TYPE surface_type,
67                                    void *surface_definition,
68                                    int32 x, int32 y );
69 
70 C2D_STATUS (*LINK_c2dDraw)( uint32 target_id,
71                             uint32 target_config, C2D_RECT *target_scissor,
72                             uint32 target_mask_id, uint32 target_color_key,
73                             C2D_OBJECT *objects_list, uint32 num_objects );
74 
75 C2D_STATUS (*LINK_c2dFinish)( uint32 target_id);
76 
77 C2D_STATUS (*LINK_c2dFlush)( uint32 target_id, c2d_ts_handle *timestamp);
78 
79 C2D_STATUS (*LINK_c2dWaitTimestamp)( c2d_ts_handle timestamp );
80 
81 C2D_STATUS (*LINK_c2dDestroySurface)( uint32 surface_id );
82 
83 C2D_STATUS (*LINK_c2dMapAddr) ( int mem_fd, void * hostptr, uint32 len,
84                                 uint32 offset, uint32 flags, void ** gpuaddr);
85 
86 C2D_STATUS (*LINK_c2dUnMapAddr) ( void * gpuaddr);
87 
88 C2D_STATUS (*LINK_c2dGetDriverCapabilities) ( C2D_DRIVER_INFO * driver_info);
89 
90 /* create a fence fd for the timestamp */
91 C2D_STATUS (*LINK_c2dCreateFenceFD) ( uint32 target_id, c2d_ts_handle timestamp,
92                                                             int32 *fd);
93 
94 C2D_STATUS (*LINK_c2dFillSurface) ( uint32 surface_id, uint32 fill_color,
95                                     C2D_RECT * fill_rect);
96 
97 /******************************************************************************/
98 
99 #if defined(COPYBIT_Z180)
100 #define MAX_SCALE_FACTOR    (4096)
101 #define MAX_DIMENSION       (4096)
102 #else
103 #error "Unsupported HW version"
104 #endif
105 
106 // The following defines can be changed as required i.e. as we encounter
107 // complex use cases.
108 #define MAX_RGB_SURFACES 32       // Max. RGB layers currently supported per draw
109 #define MAX_YUV_2_PLANE_SURFACES 4// Max. 2-plane YUV layers currently supported per draw
110 #define MAX_YUV_3_PLANE_SURFACES 1// Max. 3-plane YUV layers currently supported per draw
111 // +1 for the destination surface. We cannot have multiple destination surfaces.
112 #define MAX_SURFACES (MAX_RGB_SURFACES + MAX_YUV_2_PLANE_SURFACES + MAX_YUV_3_PLANE_SURFACES + 1)
113 #define NUM_SURFACE_TYPES 3      // RGB_SURFACE + YUV_SURFACE_2_PLANES + YUV_SURFACE_3_PLANES
114 #define MAX_BLIT_OBJECT_COUNT 50 // Max. blit objects that can be passed per draw
115 
116 enum {
117     RGB_SURFACE,
118     YUV_SURFACE_2_PLANES,
119     YUV_SURFACE_3_PLANES
120 };
121 
122 enum eConversionType {
123     CONVERT_TO_ANDROID_FORMAT,
124     CONVERT_TO_C2D_FORMAT
125 };
126 
127 enum eC2DFlags {
128     FLAGS_PREMULTIPLIED_ALPHA  = 1<<0,
129     FLAGS_YUV_DESTINATION      = 1<<1,
130     FLAGS_TEMP_SRC_DST         = 1<<2
131 };
132 
133 static gralloc::IAllocController* sAlloc = 0;
134 /******************************************************************************/
135 
136 /** State information for each device instance */
137 struct copybit_context_t {
138     struct copybit_device_t device;
139     // Templates for the various source surfaces. These templates are created
140     // to avoid the expensive create/destroy C2D Surfaces
141     C2D_OBJECT_STR blit_rgb_object[MAX_RGB_SURFACES];
142     C2D_OBJECT_STR blit_yuv_2_plane_object[MAX_YUV_2_PLANE_SURFACES];
143     C2D_OBJECT_STR blit_yuv_3_plane_object[MAX_YUV_3_PLANE_SURFACES];
144     C2D_OBJECT_STR blit_list[MAX_BLIT_OBJECT_COUNT]; // Z-ordered list of blit objects
145     C2D_DRIVER_INFO c2d_driver_info;
146     void *libc2d2;
147     alloc_data temp_src_buffer;
148     alloc_data temp_dst_buffer;
149     unsigned int dst[NUM_SURFACE_TYPES]; // dst surfaces
150     unsigned int mapped_gpu_addr[MAX_SURFACES]; // GPU addresses mapped inside copybit
151     int blit_rgb_count;         // Total RGB surfaces being blit
152     int blit_yuv_2_plane_count; // Total 2 plane YUV surfaces being
153     int blit_yuv_3_plane_count; // Total 3 plane YUV  surfaces being blit
154     int blit_count;             // Total blit objects.
155     unsigned int trg_transform;      /* target transform */
156     int fb_width;
157     int fb_height;
158     int src_global_alpha;
159     int config_mask;
160     int dst_surface_type;
161     bool is_premultiplied_alpha;
162     void* time_stamp;
163     bool dst_surface_mapped; // Set when dst surface is mapped to GPU addr
164     void* dst_surface_base; // Stores the dst surface addr
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     int plane1_offset;
186     int 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 */
c2d_wait_loop(void * ptr)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 */
get_format(int 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_RGBX_8888:      return C2D_COLOR_FORMAT_8888_ARGB |
263                                               C2D_FORMAT_SWAP_RB |
264                                                   C2D_FORMAT_DISABLE_ALPHA;
265         case HAL_PIXEL_FORMAT_RGBA_8888:      return C2D_COLOR_FORMAT_8888_ARGB |
266                                               C2D_FORMAT_SWAP_RB;
267         case HAL_PIXEL_FORMAT_BGRA_8888:      return C2D_COLOR_FORMAT_8888_ARGB;
268         case HAL_PIXEL_FORMAT_YCbCr_420_SP:   return C2D_COLOR_FORMAT_420_NV12;
269         case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:return C2D_COLOR_FORMAT_420_NV12;
270         case HAL_PIXEL_FORMAT_YCrCb_420_SP:   return C2D_COLOR_FORMAT_420_NV21;
271         case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: return C2D_COLOR_FORMAT_420_NV12 |
272                                                   C2D_FORMAT_MACROTILED;
273         default:                              ALOGE("%s: invalid format (0x%x",
274                                                      __FUNCTION__, format);
275                                               return -EINVAL;
276     }
277     return -EINVAL;
278 }
279 
280 /* Get the C2D formats needed for conversion to YUV */
get_c2d_format_for_yuv_destination(int halFormat)281 static int get_c2d_format_for_yuv_destination(int halFormat) {
282     switch (halFormat) {
283         // We do not swap the RB when the target is YUV
284         case HAL_PIXEL_FORMAT_RGBX_8888:      return C2D_COLOR_FORMAT_8888_ARGB |
285                                               C2D_FORMAT_DISABLE_ALPHA;
286         case HAL_PIXEL_FORMAT_RGBA_8888:      return C2D_COLOR_FORMAT_8888_ARGB;
287         // The U and V need to be interchanged when the target is YUV
288         case HAL_PIXEL_FORMAT_YCbCr_420_SP:   return C2D_COLOR_FORMAT_420_NV21;
289         case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:return C2D_COLOR_FORMAT_420_NV21;
290         case HAL_PIXEL_FORMAT_YCrCb_420_SP:   return C2D_COLOR_FORMAT_420_NV12;
291         default:                              return get_format(halFormat);
292     }
293     return -EINVAL;
294 }
295 
296 /* ------------------------------------------------------------------- *//*!
297  * \internal
298  * \brief Get the bpp for a particular color format
299  * \param color format
300  * \return bits per pixel
301  *//* ------------------------------------------------------------------- */
c2diGetBpp(int32 colorformat)302 int c2diGetBpp(int32 colorformat)
303 {
304 
305     int c2dBpp = 0;
306 
307     switch(colorformat&0xFF)
308     {
309         case C2D_COLOR_FORMAT_4444_RGBA:
310         case C2D_COLOR_FORMAT_4444_ARGB:
311         case C2D_COLOR_FORMAT_1555_ARGB:
312         case C2D_COLOR_FORMAT_565_RGB:
313         case C2D_COLOR_FORMAT_5551_RGBA:
314             c2dBpp = 16;
315             break;
316         case C2D_COLOR_FORMAT_8888_RGBA:
317         case C2D_COLOR_FORMAT_8888_ARGB:
318             c2dBpp = 32;
319             break;
320         case C2D_COLOR_FORMAT_8_L:
321         case C2D_COLOR_FORMAT_8_A:
322             c2dBpp = 8;
323             break;
324         case C2D_COLOR_FORMAT_4_A:
325             c2dBpp = 4;
326             break;
327         case C2D_COLOR_FORMAT_1:
328             c2dBpp = 1;
329             break;
330         default:
331             ALOGE("%s ERROR", __func__);
332             break;
333     }
334     return c2dBpp;
335 }
336 
c2d_get_gpuaddr(copybit_context_t * ctx,struct private_handle_t * handle,int & mapped_idx)337 static uint32 c2d_get_gpuaddr(copybit_context_t* ctx,
338                               struct private_handle_t *handle, int &mapped_idx)
339 {
340     uint32 memtype, *gpuaddr = 0;
341     C2D_STATUS rc;
342     int freeindex = 0;
343     bool mapaddr = false;
344 
345     if(!handle)
346         return 0;
347 
348     if (handle->flags & (private_handle_t::PRIV_FLAGS_USES_PMEM |
349                          private_handle_t::PRIV_FLAGS_USES_PMEM_ADSP))
350         memtype = KGSL_USER_MEM_TYPE_PMEM;
351     else if (handle->flags & private_handle_t::PRIV_FLAGS_USES_ASHMEM)
352         memtype = KGSL_USER_MEM_TYPE_ASHMEM;
353     else if (handle->flags & private_handle_t::PRIV_FLAGS_USES_ION)
354         memtype = KGSL_USER_MEM_TYPE_ION;
355     else {
356         ALOGE("Invalid handle flags: 0x%x", handle->flags);
357         return 0;
358     }
359 
360     // Check for a freeindex in the mapped_gpu_addr list
361     for (freeindex = 0; freeindex < MAX_SURFACES; freeindex++) {
362         if (ctx->mapped_gpu_addr[freeindex] == 0) {
363             // free index is available
364             // map GPU addr and use this as mapped_idx
365             mapaddr = true;
366             break;
367         }
368     }
369 
370     if(mapaddr) {
371         rc = LINK_c2dMapAddr(handle->fd, (void*)handle->base, handle->size,
372                              handle->offset, memtype, (void**)&gpuaddr);
373 
374         if (rc == C2D_STATUS_OK) {
375             // We have mapped the GPU address inside copybit. We need to unmap
376             // this address after the blit. Store this address
377             ctx->mapped_gpu_addr[freeindex] = (uint32) gpuaddr;
378             mapped_idx = freeindex;
379         }
380     }
381     return (uint32) gpuaddr;
382 }
383 
unmap_gpuaddr(copybit_context_t * ctx,int mapped_idx)384 static void unmap_gpuaddr(copybit_context_t* ctx, int mapped_idx)
385 {
386     if (!ctx || (mapped_idx == -1))
387         return;
388 
389     if (ctx->mapped_gpu_addr[mapped_idx]) {
390         LINK_c2dUnMapAddr( (void*)ctx->mapped_gpu_addr[mapped_idx]);
391         ctx->mapped_gpu_addr[mapped_idx] = 0;
392     }
393 }
394 
is_supported_rgb_format(int format)395 static int is_supported_rgb_format(int format)
396 {
397     switch(format) {
398         case HAL_PIXEL_FORMAT_RGBA_8888:
399         case HAL_PIXEL_FORMAT_RGBX_8888:
400         case HAL_PIXEL_FORMAT_RGB_565:
401         case HAL_PIXEL_FORMAT_BGRA_8888: {
402             return COPYBIT_SUCCESS;
403         }
404         default:
405             return COPYBIT_FAILURE;
406     }
407 }
408 
get_num_planes(int format)409 static int get_num_planes(int format)
410 {
411     switch(format) {
412         case HAL_PIXEL_FORMAT_YCbCr_420_SP:
413         case HAL_PIXEL_FORMAT_YCrCb_420_SP:
414         case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
415         case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: {
416             return 2;
417         }
418         case HAL_PIXEL_FORMAT_YV12: {
419             return 3;
420         }
421         default:
422             return COPYBIT_FAILURE;
423     }
424 }
425 
is_supported_yuv_format(int format)426 static int is_supported_yuv_format(int format)
427 {
428     switch(format) {
429         case HAL_PIXEL_FORMAT_YCbCr_420_SP:
430         case HAL_PIXEL_FORMAT_YCrCb_420_SP:
431         case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
432         case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: {
433             return COPYBIT_SUCCESS;
434         }
435         default:
436             return COPYBIT_FAILURE;
437     }
438 }
439 
is_valid_destination_format(int format)440 static int is_valid_destination_format(int format)
441 {
442     if (format == HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED) {
443         // C2D does not support NV12Tile as a destination format.
444         return COPYBIT_FAILURE;
445     }
446     return COPYBIT_SUCCESS;
447 }
448 
calculate_yuv_offset_and_stride(const bufferInfo & info,yuvPlaneInfo & yuvInfo)449 static int calculate_yuv_offset_and_stride(const bufferInfo& info,
450                                            yuvPlaneInfo& yuvInfo)
451 {
452     int width  = info.width;
453     int height = info.height;
454     int format = info.format;
455 
456     int aligned_height = 0;
457     int aligned_width = 0, size = 0;
458 
459     switch (format) {
460         case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: {
461             /* NV12 Tile buffers have their luma height aligned to 32bytes and width
462              * aligned to 128 bytes. The chroma offset starts at an 8K boundary
463              */
464             aligned_height = ALIGN(height, 32);
465             aligned_width  = ALIGN(width, 128);
466             size = aligned_width * aligned_height;
467             yuvInfo.plane1_offset = ALIGN(size,8192);
468             yuvInfo.yStride = aligned_width;
469             yuvInfo.plane1_stride = aligned_width;
470             break;
471         }
472         case HAL_PIXEL_FORMAT_YCbCr_420_SP:
473         case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
474         case HAL_PIXEL_FORMAT_YCrCb_420_SP: {
475             aligned_width = ALIGN(width, 32);
476             yuvInfo.yStride = aligned_width;
477             yuvInfo.plane1_stride = aligned_width;
478             if (HAL_PIXEL_FORMAT_NV12_ENCODEABLE == format) {
479                 // The encoder requires a 2K aligned chroma offset
480                 yuvInfo.plane1_offset = ALIGN(aligned_width * height, 2048);
481             } else
482                 yuvInfo.plane1_offset = aligned_width * height;
483 
484             break;
485         }
486         default: {
487             return COPYBIT_FAILURE;
488         }
489     }
490     return COPYBIT_SUCCESS;
491 }
492 
493 /** create C2D surface from copybit image */
set_image(copybit_context_t * ctx,uint32 surfaceId,const struct copybit_image_t * rhs,const eC2DFlags flags,int & mapped_idx)494 static int set_image(copybit_context_t* ctx, uint32 surfaceId,
495                       const struct copybit_image_t *rhs,
496                       const eC2DFlags flags, int &mapped_idx)
497 {
498     struct private_handle_t* handle = (struct private_handle_t*)rhs->handle;
499     C2D_SURFACE_TYPE surfaceType;
500     int status = COPYBIT_SUCCESS;
501     uint32 gpuaddr = 0;
502     int c2d_format;
503     mapped_idx = -1;
504 
505     if (flags & FLAGS_YUV_DESTINATION) {
506         c2d_format = get_c2d_format_for_yuv_destination(rhs->format);
507     } else {
508         c2d_format = get_format(rhs->format);
509     }
510 
511     if(c2d_format == -EINVAL) {
512         ALOGE("%s: invalid format", __FUNCTION__);
513         return -EINVAL;
514     }
515 
516     if(handle == NULL) {
517         ALOGE("%s: invalid handle", __func__);
518         return -EINVAL;
519     }
520 
521     if (handle->gpuaddr == 0) {
522         gpuaddr = c2d_get_gpuaddr(ctx, handle, mapped_idx);
523         if(!gpuaddr) {
524             ALOGE("%s: c2d_get_gpuaddr failed", __FUNCTION__);
525             return COPYBIT_FAILURE;
526         }
527     } else {
528         gpuaddr = handle->gpuaddr;
529     }
530 
531     /* create C2D surface */
532     if(is_supported_rgb_format(rhs->format) == COPYBIT_SUCCESS) {
533         /* RGB */
534         C2D_RGB_SURFACE_DEF surfaceDef;
535 
536         surfaceType = (C2D_SURFACE_TYPE) (C2D_SURFACE_RGB_HOST | C2D_SURFACE_WITH_PHYS);
537 
538         surfaceDef.phys = (void*) gpuaddr;
539         surfaceDef.buffer = (void*) (handle->base);
540 
541         surfaceDef.format = c2d_format |
542             ((flags & FLAGS_PREMULTIPLIED_ALPHA) ? C2D_FORMAT_PREMULTIPLIED : 0);
543         surfaceDef.width = rhs->w;
544         surfaceDef.height = rhs->h;
545         int aligned_width = ALIGN(surfaceDef.width,32);
546         surfaceDef.stride = (aligned_width * c2diGetBpp(surfaceDef.format))>>3;
547 
548         if(LINK_c2dUpdateSurface( surfaceId,C2D_TARGET | C2D_SOURCE, surfaceType,
549                                   &surfaceDef)) {
550             ALOGE("%s: RGB Surface c2dUpdateSurface ERROR", __FUNCTION__);
551             unmap_gpuaddr(ctx, mapped_idx);
552             status = COPYBIT_FAILURE;
553         }
554     } else if (is_supported_yuv_format(rhs->format) == COPYBIT_SUCCESS) {
555         C2D_YUV_SURFACE_DEF surfaceDef;
556         memset(&surfaceDef, 0, sizeof(surfaceDef));
557         surfaceType = (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST | C2D_SURFACE_WITH_PHYS);
558         surfaceDef.format = c2d_format;
559 
560         bufferInfo info;
561         info.width = rhs->w;
562         info.height = rhs->h;
563         info.format = rhs->format;
564 
565         yuvPlaneInfo yuvInfo = {0};
566         status = calculate_yuv_offset_and_stride(info, yuvInfo);
567         if(status != COPYBIT_SUCCESS) {
568             ALOGE("%s: calculate_yuv_offset_and_stride error", __FUNCTION__);
569             unmap_gpuaddr(ctx, mapped_idx);
570         }
571 
572         surfaceDef.width = rhs->w;
573         surfaceDef.height = rhs->h;
574         surfaceDef.plane0 = (void*) (handle->base);
575         surfaceDef.phys0 = (void*) (gpuaddr);
576         surfaceDef.stride0 = yuvInfo.yStride;
577 
578         surfaceDef.plane1 = (void*) (handle->base + yuvInfo.plane1_offset);
579         surfaceDef.phys1 = (void*) (gpuaddr + yuvInfo.plane1_offset);
580         surfaceDef.stride1 = yuvInfo.plane1_stride;
581         if (3 == get_num_planes(rhs->format)) {
582             surfaceDef.plane2 = (void*) (handle->base + yuvInfo.plane2_offset);
583             surfaceDef.phys2 = (void*) (gpuaddr + yuvInfo.plane2_offset);
584             surfaceDef.stride2 = yuvInfo.plane2_stride;
585         }
586 
587         if(LINK_c2dUpdateSurface( surfaceId,C2D_TARGET | C2D_SOURCE, surfaceType,
588                                   &surfaceDef)) {
589             ALOGE("%s: YUV Surface c2dUpdateSurface ERROR", __FUNCTION__);
590             unmap_gpuaddr(ctx, mapped_idx);
591             status = COPYBIT_FAILURE;
592         }
593     } else {
594         ALOGE("%s: invalid format 0x%x", __FUNCTION__, rhs->format);
595         unmap_gpuaddr(ctx, mapped_idx);
596         status = COPYBIT_FAILURE;
597     }
598 
599     return status;
600 }
601 
602 /** copy the bits */
msm_copybit(struct copybit_context_t * ctx,unsigned int target)603 static int msm_copybit(struct copybit_context_t *ctx, unsigned int target)
604 {
605     if (ctx->blit_count == 0) {
606         return COPYBIT_SUCCESS;
607     }
608 
609     for (int i = 0; i < ctx->blit_count; i++)
610     {
611         ctx->blit_list[i].next = &(ctx->blit_list[i+1]);
612     }
613     ctx->blit_list[ctx->blit_count-1].next = NULL;
614     uint32_t target_transform = ctx->trg_transform;
615     if (ctx->c2d_driver_info.capabilities_mask &
616         C2D_DRIVER_SUPPORTS_OVERRIDE_TARGET_ROTATE_OP) {
617         // For A3xx - set 0x0 as the transform is set in the config_mask
618         target_transform = 0x0;
619     }
620     if(LINK_c2dDraw(target, target_transform, 0x0, 0, 0, ctx->blit_list,
621                     ctx->blit_count)) {
622         ALOGE("%s: LINK_c2dDraw ERROR", __FUNCTION__);
623         return COPYBIT_FAILURE;
624     }
625     return COPYBIT_SUCCESS;
626 }
627 
628 
629 
flush_get_fence_copybit(struct copybit_device_t * dev,int * fd)630 static int flush_get_fence_copybit (struct copybit_device_t *dev, int* fd)
631 {
632     struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
633     int status = COPYBIT_FAILURE;
634     if (!ctx)
635         return COPYBIT_FAILURE;
636     pthread_mutex_lock(&ctx->wait_cleanup_lock);
637     status = msm_copybit(ctx, ctx->dst[ctx->dst_surface_type]);
638 
639     if(LINK_c2dFlush(ctx->dst[ctx->dst_surface_type], &ctx->time_stamp)) {
640         ALOGE("%s: LINK_c2dFlush ERROR", __FUNCTION__);
641         // unlock the mutex and return failure
642         pthread_mutex_unlock(&ctx->wait_cleanup_lock);
643         return COPYBIT_FAILURE;
644     }
645     if(LINK_c2dCreateFenceFD(ctx->dst[ctx->dst_surface_type], ctx->time_stamp,
646                                                                         fd)) {
647         ALOGE("%s: LINK_c2dCreateFenceFD ERROR", __FUNCTION__);
648         status = COPYBIT_FAILURE;
649     }
650     if(status == COPYBIT_SUCCESS) {
651         //signal the wait_thread
652         ctx->wait_timestamp = true;
653         pthread_cond_signal(&ctx->wait_cleanup_cond);
654     }
655     pthread_mutex_unlock(&ctx->wait_cleanup_lock);
656     return status;
657 }
658 
finish_copybit(struct copybit_device_t * dev)659 static int finish_copybit(struct copybit_device_t *dev)
660 {
661     struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
662     if (!ctx)
663         return COPYBIT_FAILURE;
664 
665    int status = msm_copybit(ctx, ctx->dst[ctx->dst_surface_type]);
666 
667    if(LINK_c2dFinish(ctx->dst[ctx->dst_surface_type])) {
668         ALOGE("%s: LINK_c2dFinish ERROR", __FUNCTION__);
669         return COPYBIT_FAILURE;
670     }
671 
672     // Unmap any mapped addresses.
673     for (int i = 0; i < MAX_SURFACES; i++) {
674         if (ctx->mapped_gpu_addr[i]) {
675             LINK_c2dUnMapAddr( (void*)ctx->mapped_gpu_addr[i]);
676             ctx->mapped_gpu_addr[i] = 0;
677         }
678     }
679 
680     // Reset the counts after the draw.
681     ctx->blit_rgb_count = 0;
682     ctx->blit_yuv_2_plane_count = 0;
683     ctx->blit_yuv_3_plane_count = 0;
684     ctx->blit_count = 0;
685     ctx->dst_surface_mapped = false;
686     ctx->dst_surface_base = 0;
687 
688     return status;
689 }
690 
clear_copybit(struct copybit_device_t * dev,struct copybit_image_t const * buf,struct copybit_rect_t * rect)691 static int clear_copybit(struct copybit_device_t *dev,
692                          struct copybit_image_t const *buf,
693                          struct copybit_rect_t *rect)
694 {
695     int ret = COPYBIT_SUCCESS;
696     int flags = FLAGS_PREMULTIPLIED_ALPHA;
697     int mapped_dst_idx = -1;
698     struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
699     C2D_RECT c2drect = {rect->l, rect->t, rect->r - rect->l, rect->b - rect->t};
700     pthread_mutex_lock(&ctx->wait_cleanup_lock);
701     if(!ctx->dst_surface_mapped) {
702         ret = set_image(ctx, ctx->dst[RGB_SURFACE], buf,
703                         (eC2DFlags)flags, mapped_dst_idx);
704         if(ret) {
705             ALOGE("%s: set_image error", __FUNCTION__);
706             unmap_gpuaddr(ctx, mapped_dst_idx);
707             pthread_mutex_unlock(&ctx->wait_cleanup_lock);
708             return COPYBIT_FAILURE;
709         }
710         //clear_copybit is the first call made by HWC for each composition
711         //with the dest surface, hence set dst_surface_mapped.
712         ctx->dst_surface_mapped = true;
713         ctx->dst_surface_base = buf->base;
714         ret = LINK_c2dFillSurface(ctx->dst[RGB_SURFACE], 0x0, &c2drect);
715     }
716     pthread_mutex_unlock(&ctx->wait_cleanup_lock);
717     return ret;
718 }
719 
720 
721 /** setup rectangles */
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)722 static void set_rects(struct copybit_context_t *ctx,
723                       C2D_OBJECT *c2dObject,
724                       const struct copybit_rect_t *dst,
725                       const struct copybit_rect_t *src,
726                       const struct copybit_rect_t *scissor)
727 {
728     // Set the target rect.
729     if((ctx->trg_transform & C2D_TARGET_ROTATE_90) &&
730        (ctx->trg_transform & C2D_TARGET_ROTATE_180)) {
731         /* target rotation is 270 */
732         c2dObject->target_rect.x        = (dst->t)<<16;
733         c2dObject->target_rect.y        = ctx->fb_width?(ALIGN(ctx->fb_width,32)- dst->r):dst->r;
734         c2dObject->target_rect.y        = c2dObject->target_rect.y<<16;
735         c2dObject->target_rect.height   = ((dst->r) - (dst->l))<<16;
736         c2dObject->target_rect.width    = ((dst->b) - (dst->t))<<16;
737     } else if(ctx->trg_transform & C2D_TARGET_ROTATE_90) {
738         c2dObject->target_rect.x        = ctx->fb_height?(ctx->fb_height - dst->b):dst->b;
739         c2dObject->target_rect.x        = c2dObject->target_rect.x<<16;
740         c2dObject->target_rect.y        = (dst->l)<<16;
741         c2dObject->target_rect.height   = ((dst->r) - (dst->l))<<16;
742         c2dObject->target_rect.width    = ((dst->b) - (dst->t))<<16;
743     } else if(ctx->trg_transform & C2D_TARGET_ROTATE_180) {
744         c2dObject->target_rect.y        = ctx->fb_height?(ctx->fb_height - dst->b):dst->b;
745         c2dObject->target_rect.y        = c2dObject->target_rect.y<<16;
746         c2dObject->target_rect.x        = ctx->fb_width?(ALIGN(ctx->fb_width,32) - dst->r):dst->r;
747         c2dObject->target_rect.x        = c2dObject->target_rect.x<<16;
748         c2dObject->target_rect.height   = ((dst->b) - (dst->t))<<16;
749         c2dObject->target_rect.width    = ((dst->r) - (dst->l))<<16;
750     } else {
751         c2dObject->target_rect.x        = (dst->l)<<16;
752         c2dObject->target_rect.y        = (dst->t)<<16;
753         c2dObject->target_rect.height   = ((dst->b) - (dst->t))<<16;
754         c2dObject->target_rect.width    = ((dst->r) - (dst->l))<<16;
755     }
756     c2dObject->config_mask |= C2D_TARGET_RECT_BIT;
757 
758     // Set the source rect
759     c2dObject->source_rect.x        = (src->l)<<16;
760     c2dObject->source_rect.y        = (src->t)<<16;
761     c2dObject->source_rect.height   = ((src->b) - (src->t))<<16;
762     c2dObject->source_rect.width    = ((src->r) - (src->l))<<16;
763     c2dObject->config_mask |= C2D_SOURCE_RECT_BIT;
764 
765     // Set the scissor rect
766     c2dObject->scissor_rect.x       = scissor->l;
767     c2dObject->scissor_rect.y       = scissor->t;
768     c2dObject->scissor_rect.height  = (scissor->b) - (scissor->t);
769     c2dObject->scissor_rect.width   = (scissor->r) - (scissor->l);
770     c2dObject->config_mask |= C2D_SCISSOR_RECT_BIT;
771 }
772 
773 /*****************************************************************************/
774 
775 /** Set a parameter to value */
set_parameter_copybit(struct copybit_device_t * dev,int name,int value)776 static int set_parameter_copybit(
777     struct copybit_device_t *dev,
778     int name,
779     int value)
780 {
781     struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
782     int status = COPYBIT_SUCCESS;
783     if (!ctx) {
784         ALOGE("%s: null context", __FUNCTION__);
785         return -EINVAL;
786     }
787 
788     pthread_mutex_lock(&ctx->wait_cleanup_lock);
789     switch(name) {
790         case COPYBIT_PLANE_ALPHA:
791         {
792             if (value < 0)      value = 0;
793             if (value >= 256)   value = 255;
794 
795             ctx->src_global_alpha = value;
796             if (value < 255)
797                 ctx->config_mask |= C2D_GLOBAL_ALPHA_BIT;
798             else
799                 ctx->config_mask &= ~C2D_GLOBAL_ALPHA_BIT;
800         }
801         break;
802         case COPYBIT_BLEND_MODE:
803         {
804             if (value == COPYBIT_BLENDING_NONE) {
805                 ctx->config_mask |= C2D_ALPHA_BLEND_NONE;
806                 ctx->is_premultiplied_alpha = true;
807             } else if (value == COPYBIT_BLENDING_PREMULT) {
808                 ctx->is_premultiplied_alpha = true;
809             } else {
810                 ctx->config_mask &= ~C2D_ALPHA_BLEND_NONE;
811             }
812         }
813         break;
814         case COPYBIT_TRANSFORM:
815         {
816             unsigned int transform = 0;
817             uint32 config_mask = 0;
818             config_mask |= C2D_OVERRIDE_GLOBAL_TARGET_ROTATE_CONFIG;
819             if((value & 0x7) == COPYBIT_TRANSFORM_ROT_180) {
820                 transform = C2D_TARGET_ROTATE_180;
821                 config_mask |= C2D_OVERRIDE_TARGET_ROTATE_180;
822             } else if((value & 0x7) == COPYBIT_TRANSFORM_ROT_270) {
823                 transform = C2D_TARGET_ROTATE_90;
824                 config_mask |= C2D_OVERRIDE_TARGET_ROTATE_90;
825             } else if(value == COPYBIT_TRANSFORM_ROT_90) {
826                 transform = C2D_TARGET_ROTATE_270;
827                 config_mask |= C2D_OVERRIDE_TARGET_ROTATE_270;
828             } else {
829                 config_mask |= C2D_OVERRIDE_TARGET_ROTATE_0;
830                 if(value & COPYBIT_TRANSFORM_FLIP_H) {
831                     config_mask |= C2D_MIRROR_H_BIT;
832                 } else if(value & COPYBIT_TRANSFORM_FLIP_V) {
833                     config_mask |= C2D_MIRROR_V_BIT;
834                 }
835             }
836 
837             if (ctx->c2d_driver_info.capabilities_mask &
838                 C2D_DRIVER_SUPPORTS_OVERRIDE_TARGET_ROTATE_OP) {
839                 ctx->config_mask |= config_mask;
840             } else {
841                 // The transform for this surface does not match the current
842                 // target transform. Draw all previous surfaces. This will be
843                 // changed once we have a new mechanism to send different
844                 // target rotations to c2d.
845                 finish_copybit(dev);
846             }
847             ctx->trg_transform = transform;
848         }
849         break;
850         case COPYBIT_FRAMEBUFFER_WIDTH:
851             ctx->fb_width = value;
852             break;
853         case COPYBIT_FRAMEBUFFER_HEIGHT:
854             ctx->fb_height = value;
855             break;
856         case COPYBIT_ROTATION_DEG:
857         case COPYBIT_DITHER:
858         case COPYBIT_BLUR:
859         case COPYBIT_BLIT_TO_FRAMEBUFFER:
860             // Do nothing
861             break;
862         default:
863             ALOGE("%s: default case param=0x%x", __FUNCTION__, name);
864             status = -EINVAL;
865             break;
866     }
867     pthread_mutex_unlock(&ctx->wait_cleanup_lock);
868     return status;
869 }
870 
871 /** Get a static info value */
get(struct copybit_device_t * dev,int name)872 static int get(struct copybit_device_t *dev, int name)
873 {
874     struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
875     int value;
876 
877     if (!ctx) {
878         ALOGE("%s: null context error", __FUNCTION__);
879         return -EINVAL;
880     }
881 
882     switch(name) {
883         case COPYBIT_MINIFICATION_LIMIT:
884             value = MAX_SCALE_FACTOR;
885             break;
886         case COPYBIT_MAGNIFICATION_LIMIT:
887             value = MAX_SCALE_FACTOR;
888             break;
889         case COPYBIT_SCALING_FRAC_BITS:
890             value = 32;
891             break;
892         case COPYBIT_ROTATION_STEP_DEG:
893             value = 1;
894             break;
895         default:
896             ALOGE("%s: default case param=0x%x", __FUNCTION__, name);
897             value = -EINVAL;
898     }
899     return value;
900 }
901 
is_alpha(int cformat)902 static int is_alpha(int cformat)
903 {
904     int alpha = 0;
905     switch (cformat & 0xFF) {
906         case C2D_COLOR_FORMAT_8888_ARGB:
907         case C2D_COLOR_FORMAT_8888_RGBA:
908         case C2D_COLOR_FORMAT_5551_RGBA:
909         case C2D_COLOR_FORMAT_4444_ARGB:
910             alpha = 1;
911             break;
912         default:
913             alpha = 0;
914             break;
915     }
916 
917     if(alpha && (cformat&C2D_FORMAT_DISABLE_ALPHA))
918         alpha = 0;
919 
920     return alpha;
921 }
922 
923 /* Function to check if we need a temporary buffer for the blit.
924  * This would happen if the requested destination stride and the
925  * C2D stride do not match. We ignore RGB buffers, since their
926  * stride is always aligned to 32.
927  */
need_temp_buffer(struct copybit_image_t const * img)928 static bool need_temp_buffer(struct copybit_image_t const *img)
929 {
930     if (COPYBIT_SUCCESS == is_supported_rgb_format(img->format))
931         return false;
932 
933     struct private_handle_t* handle = (struct private_handle_t*)img->handle;
934 
935     // The width parameter in the handle contains the aligned_w. We check if we
936     // need to convert based on this param. YUV formats have bpp=1, so checking
937     // if the requested stride is aligned should suffice.
938     if (0 == (handle->width)%32) {
939         return false;
940     }
941 
942     return true;
943 }
944 
945 /* Function to extract the information from the copybit image and set the corresponding
946  * values in the bufferInfo struct.
947  */
populate_buffer_info(struct copybit_image_t const * img,bufferInfo & info)948 static void populate_buffer_info(struct copybit_image_t const *img, bufferInfo& info)
949 {
950     info.width = img->w;
951     info.height = img->h;
952     info.format = img->format;
953 }
954 
955 /* Function to get the required size for a particular format, inorder for C2D to perform
956  * the blit operation.
957  */
get_size(const bufferInfo & info)958 static size_t get_size(const bufferInfo& info)
959 {
960     size_t size = 0;
961     int w = info.width;
962     int h = info.height;
963     int aligned_w = ALIGN(w, 32);
964     switch(info.format) {
965         case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
966             {
967                 // Chroma for this format is aligned to 2K.
968                 size = ALIGN((aligned_w*h), 2048) +
969                         ALIGN(aligned_w/2, 32) * (h/2) *2;
970                 size = ALIGN(size, 4096);
971             } break;
972         case HAL_PIXEL_FORMAT_YCbCr_420_SP:
973         case HAL_PIXEL_FORMAT_YCrCb_420_SP:
974             {
975                 size = aligned_w * h +
976                        ALIGN(aligned_w/2, 32) * (h/2) * 2;
977                 size = ALIGN(size, 4096);
978             } break;
979         default: break;
980     }
981     return size;
982 }
983 
984 /* Function to allocate memory for the temporary buffer. This memory is
985  * allocated from Ashmem. It is the caller's responsibility to free this
986  * memory.
987  */
get_temp_buffer(const bufferInfo & info,alloc_data & data)988 static int get_temp_buffer(const bufferInfo& info, alloc_data& data)
989 {
990     ALOGD("%s E", __FUNCTION__);
991     // Alloc memory from system heap
992     data.base = 0;
993     data.fd = -1;
994     data.offset = 0;
995     data.size = get_size(info);
996     data.align = getpagesize();
997     data.uncached = true;
998     int allocFlags = GRALLOC_USAGE_PRIVATE_SYSTEM_HEAP;
999 
1000     if (sAlloc == 0) {
1001         sAlloc = gralloc::IAllocController::getInstance();
1002     }
1003 
1004     if (sAlloc == 0) {
1005         ALOGE("%s: sAlloc is still NULL", __FUNCTION__);
1006         return COPYBIT_FAILURE;
1007     }
1008 
1009     int err = sAlloc->allocate(data, allocFlags);
1010     if (0 != err) {
1011         ALOGE("%s: allocate failed", __FUNCTION__);
1012         return COPYBIT_FAILURE;
1013     }
1014 
1015     ALOGD("%s X", __FUNCTION__);
1016     return err;
1017 }
1018 
1019 /* Function to free the temporary allocated memory.*/
free_temp_buffer(alloc_data & data)1020 static void free_temp_buffer(alloc_data &data)
1021 {
1022     if (-1 != data.fd) {
1023         IMemAlloc* memalloc = sAlloc->getAllocator(data.allocType);
1024         memalloc->free_buffer(data.base, data.size, 0, data.fd);
1025     }
1026 }
1027 
1028 /* Function to perform the software color conversion. Convert the
1029  * C2D compatible format to the Android compatible format
1030  */
copy_image(private_handle_t * src_handle,struct copybit_image_t const * rhs,eConversionType conversionType)1031 static int copy_image(private_handle_t *src_handle,
1032                       struct copybit_image_t const *rhs,
1033                       eConversionType conversionType)
1034 {
1035     if (src_handle->fd == -1) {
1036         ALOGE("%s: src_handle fd is invalid", __FUNCTION__);
1037         return COPYBIT_FAILURE;
1038     }
1039 
1040     // Copy the info.
1041     int ret = COPYBIT_SUCCESS;
1042     switch(rhs->format) {
1043         case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
1044         case HAL_PIXEL_FORMAT_YCbCr_420_SP:
1045         case HAL_PIXEL_FORMAT_YCrCb_420_SP:
1046             {
1047                 if (CONVERT_TO_ANDROID_FORMAT == conversionType) {
1048                     return convert_yuv_c2d_to_yuv_android(src_handle, rhs);
1049                 } else {
1050                     return convert_yuv_android_to_yuv_c2d(src_handle, rhs);
1051                 }
1052 
1053             } break;
1054         default: {
1055             ALOGE("%s: invalid format 0x%x", __FUNCTION__, rhs->format);
1056             ret = COPYBIT_FAILURE;
1057         } break;
1058     }
1059     return ret;
1060 }
1061 
delete_handle(private_handle_t * handle)1062 static void delete_handle(private_handle_t *handle)
1063 {
1064     if (handle) {
1065         delete handle;
1066         handle = 0;
1067     }
1068 }
1069 
need_to_execute_draw(struct copybit_context_t * ctx,eC2DFlags flags)1070 static bool need_to_execute_draw(struct copybit_context_t* ctx,
1071                                           eC2DFlags flags)
1072 {
1073     if (flags & FLAGS_TEMP_SRC_DST) {
1074         return true;
1075     }
1076     if (flags & FLAGS_YUV_DESTINATION) {
1077         return true;
1078     }
1079     return false;
1080 }
1081 
1082 /** do a stretch blit type operation */
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)1083 static int stretch_copybit_internal(
1084     struct copybit_device_t *dev,
1085     struct copybit_image_t const *dst,
1086     struct copybit_image_t const *src,
1087     struct copybit_rect_t const *dst_rect,
1088     struct copybit_rect_t const *src_rect,
1089     struct copybit_region_t const *region,
1090     bool enableBlend)
1091 {
1092     struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
1093     int status = COPYBIT_SUCCESS;
1094     int flags = 0;
1095     int src_surface_type;
1096     int mapped_src_idx = -1, mapped_dst_idx = -1;
1097     C2D_OBJECT_STR src_surface;
1098 
1099     if (!ctx) {
1100         ALOGE("%s: null context error", __FUNCTION__);
1101         return -EINVAL;
1102     }
1103 
1104     if (src->w > MAX_DIMENSION || src->h > MAX_DIMENSION) {
1105         ALOGE("%s: src dimension error", __FUNCTION__);
1106         return -EINVAL;
1107     }
1108 
1109     if (dst->w > MAX_DIMENSION || dst->h > MAX_DIMENSION) {
1110         ALOGE("%s : dst dimension error dst w %d h %d",  __FUNCTION__, dst->w,
1111                                                          dst->h);
1112         return -EINVAL;
1113     }
1114 
1115     if (is_valid_destination_format(dst->format) == COPYBIT_FAILURE) {
1116         ALOGE("%s: Invalid destination format format = 0x%x", __FUNCTION__,
1117                                                               dst->format);
1118         return COPYBIT_FAILURE;
1119     }
1120 
1121     int dst_surface_type;
1122     if (is_supported_rgb_format(dst->format) == COPYBIT_SUCCESS) {
1123         dst_surface_type = RGB_SURFACE;
1124         flags |= FLAGS_PREMULTIPLIED_ALPHA;
1125     } else if (is_supported_yuv_format(dst->format) == COPYBIT_SUCCESS) {
1126         int num_planes = get_num_planes(dst->format);
1127         flags |= FLAGS_YUV_DESTINATION;
1128         if (num_planes == 2) {
1129             dst_surface_type = YUV_SURFACE_2_PLANES;
1130         } else if (num_planes == 3) {
1131             dst_surface_type = YUV_SURFACE_3_PLANES;
1132         } else {
1133             ALOGE("%s: dst number of YUV planes is invalid dst format = 0x%x",
1134                   __FUNCTION__, dst->format);
1135             return COPYBIT_FAILURE;
1136         }
1137     } else {
1138         ALOGE("%s: Invalid dst surface format 0x%x", __FUNCTION__,
1139                                                      dst->format);
1140         return COPYBIT_FAILURE;
1141     }
1142 
1143     if (ctx->blit_rgb_count == MAX_RGB_SURFACES ||
1144         ctx->blit_yuv_2_plane_count == MAX_YUV_2_PLANE_SURFACES ||
1145         ctx->blit_yuv_3_plane_count == MAX_YUV_2_PLANE_SURFACES ||
1146         ctx->blit_count == MAX_BLIT_OBJECT_COUNT ||
1147         ctx->dst_surface_type != dst_surface_type) {
1148         // we have reached the max. limits of our internal structures or
1149         // changed the target.
1150         // Draw the remaining surfaces. We need to do the finish here since
1151         // we need to free up the surface templates.
1152         finish_copybit(dev);
1153     }
1154 
1155     ctx->dst_surface_type = dst_surface_type;
1156 
1157     // Update the destination
1158     copybit_image_t dst_image;
1159     dst_image.w = dst->w;
1160     dst_image.h = dst->h;
1161     dst_image.format = dst->format;
1162     dst_image.handle = dst->handle;
1163     // Check if we need a temp. copy for the destination. We'd need this the destination
1164     // width is not aligned to 32. This case occurs for YUV formats. RGB formats are
1165     // aligned to 32.
1166     bool need_temp_dst = need_temp_buffer(dst);
1167     bufferInfo dst_info;
1168     populate_buffer_info(dst, dst_info);
1169     private_handle_t* dst_hnd = new private_handle_t(-1, 0, 0, 0, dst_info.format,
1170                                                      dst_info.width, dst_info.height);
1171     if (dst_hnd == NULL) {
1172         ALOGE("%s: dst_hnd is null", __FUNCTION__);
1173         return COPYBIT_FAILURE;
1174     }
1175     if (need_temp_dst) {
1176         if (get_size(dst_info) != ctx->temp_dst_buffer.size) {
1177             free_temp_buffer(ctx->temp_dst_buffer);
1178             // Create a temp buffer and set that as the destination.
1179             if (COPYBIT_FAILURE == get_temp_buffer(dst_info, ctx->temp_dst_buffer)) {
1180                 ALOGE("%s: get_temp_buffer(dst) failed", __FUNCTION__);
1181                 delete_handle(dst_hnd);
1182                 return COPYBIT_FAILURE;
1183             }
1184         }
1185         dst_hnd->fd = ctx->temp_dst_buffer.fd;
1186         dst_hnd->size = ctx->temp_dst_buffer.size;
1187         dst_hnd->flags = ctx->temp_dst_buffer.allocType;
1188         dst_hnd->base = (int)(ctx->temp_dst_buffer.base);
1189         dst_hnd->offset = ctx->temp_dst_buffer.offset;
1190         dst_hnd->gpuaddr = 0;
1191         dst_image.handle = dst_hnd;
1192     }
1193     if(!ctx->dst_surface_mapped) {
1194         //map the destination surface to GPU address
1195         status = set_image(ctx, ctx->dst[ctx->dst_surface_type], &dst_image,
1196                            (eC2DFlags)flags, mapped_dst_idx);
1197         if(status) {
1198             ALOGE("%s: dst: set_image error", __FUNCTION__);
1199             delete_handle(dst_hnd);
1200             unmap_gpuaddr(ctx, mapped_dst_idx);
1201             return COPYBIT_FAILURE;
1202         }
1203         ctx->dst_surface_mapped = true;
1204         ctx->dst_surface_base = dst->base;
1205     } else if(ctx->dst_surface_mapped && ctx->dst_surface_base != dst->base) {
1206         // Destination surface for the operation should be same for multiple
1207         // requests, this check is catch if there is any case when the
1208         // destination changes
1209         ALOGE("%s: a different destination surface!!", __FUNCTION__);
1210     }
1211 
1212     // Update the source
1213     flags = 0;
1214     if(is_supported_rgb_format(src->format) == COPYBIT_SUCCESS) {
1215         src_surface_type = RGB_SURFACE;
1216         src_surface = ctx->blit_rgb_object[ctx->blit_rgb_count];
1217     } else if (is_supported_yuv_format(src->format) == COPYBIT_SUCCESS) {
1218         int num_planes = get_num_planes(src->format);
1219         if (num_planes == 2) {
1220             src_surface_type = YUV_SURFACE_2_PLANES;
1221             src_surface = ctx->blit_yuv_2_plane_object[ctx->blit_yuv_2_plane_count];
1222         } else if (num_planes == 3) {
1223             src_surface_type = YUV_SURFACE_3_PLANES;
1224             src_surface = ctx->blit_yuv_3_plane_object[ctx->blit_yuv_2_plane_count];
1225         } else {
1226             ALOGE("%s: src number of YUV planes is invalid src format = 0x%x",
1227                   __FUNCTION__, src->format);
1228             delete_handle(dst_hnd);
1229             unmap_gpuaddr(ctx, mapped_dst_idx);
1230             return -EINVAL;
1231         }
1232     } else {
1233         ALOGE("%s: Invalid source surface format 0x%x", __FUNCTION__,
1234                                                         src->format);
1235         delete_handle(dst_hnd);
1236         unmap_gpuaddr(ctx, mapped_dst_idx);
1237         return -EINVAL;
1238     }
1239 
1240     copybit_image_t src_image;
1241     src_image.w = src->w;
1242     src_image.h = src->h;
1243     src_image.format = src->format;
1244     src_image.handle = src->handle;
1245 
1246     bool need_temp_src = need_temp_buffer(src);
1247     bufferInfo src_info;
1248     populate_buffer_info(src, src_info);
1249     private_handle_t* src_hnd = new private_handle_t(-1, 0, 0, 0, src_info.format,
1250                                                  src_info.width, src_info.height);
1251     if (NULL == src_hnd) {
1252         ALOGE("%s: src_hnd is null", __FUNCTION__);
1253         delete_handle(dst_hnd);
1254         unmap_gpuaddr(ctx, mapped_dst_idx);
1255         return COPYBIT_FAILURE;
1256     }
1257     if (need_temp_src) {
1258         if (get_size(src_info) != ctx->temp_src_buffer.size) {
1259             free_temp_buffer(ctx->temp_src_buffer);
1260             // Create a temp buffer and set that as the destination.
1261             if (COPYBIT_SUCCESS != get_temp_buffer(src_info,
1262                                                ctx->temp_src_buffer)) {
1263                 ALOGE("%s: get_temp_buffer(src) failed", __FUNCTION__);
1264                 delete_handle(dst_hnd);
1265                 delete_handle(src_hnd);
1266                 unmap_gpuaddr(ctx, mapped_dst_idx);
1267                 return COPYBIT_FAILURE;
1268             }
1269         }
1270         src_hnd->fd = ctx->temp_src_buffer.fd;
1271         src_hnd->size = ctx->temp_src_buffer.size;
1272         src_hnd->flags = ctx->temp_src_buffer.allocType;
1273         src_hnd->base = (int)(ctx->temp_src_buffer.base);
1274         src_hnd->offset = ctx->temp_src_buffer.offset;
1275         src_hnd->gpuaddr = 0;
1276         src_image.handle = src_hnd;
1277 
1278         // Copy the source.
1279         status = copy_image((private_handle_t *)src->handle, &src_image,
1280                                 CONVERT_TO_C2D_FORMAT);
1281         if (status == COPYBIT_FAILURE) {
1282             ALOGE("%s:copy_image failed in temp source",__FUNCTION__);
1283             delete_handle(dst_hnd);
1284             delete_handle(src_hnd);
1285             unmap_gpuaddr(ctx, mapped_dst_idx);
1286             return status;
1287         }
1288 
1289         // Clean the cache
1290         IMemAlloc* memalloc = sAlloc->getAllocator(src_hnd->flags);
1291         if (memalloc->clean_buffer((void *)(src_hnd->base), src_hnd->size,
1292                                    src_hnd->offset, src_hnd->fd,
1293                                    gralloc::CACHE_CLEAN)) {
1294             ALOGE("%s: clean_buffer failed", __FUNCTION__);
1295             delete_handle(dst_hnd);
1296             delete_handle(src_hnd);
1297             unmap_gpuaddr(ctx, mapped_dst_idx);
1298             return COPYBIT_FAILURE;
1299         }
1300     }
1301 
1302     flags |= (ctx->is_premultiplied_alpha) ? FLAGS_PREMULTIPLIED_ALPHA : 0;
1303     flags |= (ctx->dst_surface_type != RGB_SURFACE) ? FLAGS_YUV_DESTINATION : 0;
1304     status = set_image(ctx, src_surface.surface_id, &src_image,
1305                        (eC2DFlags)flags, mapped_src_idx);
1306     if(status) {
1307         ALOGE("%s: set_image (src) error", __FUNCTION__);
1308         delete_handle(dst_hnd);
1309         delete_handle(src_hnd);
1310         unmap_gpuaddr(ctx, mapped_dst_idx);
1311         unmap_gpuaddr(ctx, mapped_src_idx);
1312         return COPYBIT_FAILURE;
1313     }
1314 
1315     src_surface.config_mask = C2D_NO_ANTIALIASING_BIT | ctx->config_mask;
1316     src_surface.global_alpha = ctx->src_global_alpha;
1317     if (enableBlend) {
1318         if(src_surface.config_mask & C2D_GLOBAL_ALPHA_BIT) {
1319             src_surface.config_mask &= ~C2D_ALPHA_BLEND_NONE;
1320             if(!(src_surface.global_alpha)) {
1321                 // src alpha is zero
1322                 delete_handle(dst_hnd);
1323                 delete_handle(src_hnd);
1324                 unmap_gpuaddr(ctx, mapped_dst_idx);
1325                 unmap_gpuaddr(ctx, mapped_src_idx);
1326                 return COPYBIT_FAILURE;
1327             }
1328         }
1329     } else {
1330         src_surface.config_mask |= C2D_ALPHA_BLEND_NONE;
1331     }
1332 
1333     if (src_surface_type == RGB_SURFACE) {
1334         ctx->blit_rgb_object[ctx->blit_rgb_count] = src_surface;
1335         ctx->blit_rgb_count++;
1336     } else if (src_surface_type == YUV_SURFACE_2_PLANES) {
1337         ctx->blit_yuv_2_plane_object[ctx->blit_yuv_2_plane_count] = src_surface;
1338         ctx->blit_yuv_2_plane_count++;
1339     } else {
1340         ctx->blit_yuv_3_plane_object[ctx->blit_yuv_3_plane_count] = src_surface;
1341         ctx->blit_yuv_3_plane_count++;
1342     }
1343 
1344     struct copybit_rect_t clip;
1345     while ((status == 0) && region->next(region, &clip)) {
1346         set_rects(ctx, &(src_surface), dst_rect, src_rect, &clip);
1347         if (ctx->blit_count == MAX_BLIT_OBJECT_COUNT) {
1348             ALOGW("Reached end of blit count");
1349             finish_copybit(dev);
1350         }
1351         ctx->blit_list[ctx->blit_count] = src_surface;
1352         ctx->blit_count++;
1353     }
1354 
1355     // Check if we need to perform an early draw-finish.
1356     flags |= (need_temp_dst || need_temp_src) ? FLAGS_TEMP_SRC_DST : 0;
1357     if (need_to_execute_draw(ctx, (eC2DFlags)flags))
1358     {
1359         finish_copybit(dev);
1360     }
1361 
1362     if (need_temp_dst) {
1363         // copy the temp. destination without the alignment to the actual
1364         // destination.
1365         status = copy_image(dst_hnd, dst, CONVERT_TO_ANDROID_FORMAT);
1366         if (status == COPYBIT_FAILURE) {
1367             ALOGE("%s:copy_image failed in temp Dest",__FUNCTION__);
1368             delete_handle(dst_hnd);
1369             delete_handle(src_hnd);
1370             unmap_gpuaddr(ctx, mapped_dst_idx);
1371             unmap_gpuaddr(ctx, mapped_src_idx);
1372             return status;
1373         }
1374         // Clean the cache.
1375         IMemAlloc* memalloc = sAlloc->getAllocator(dst_hnd->flags);
1376         memalloc->clean_buffer((void *)(dst_hnd->base), dst_hnd->size,
1377                                dst_hnd->offset, dst_hnd->fd,
1378                                gralloc::CACHE_CLEAN);
1379     }
1380     delete_handle(dst_hnd);
1381     delete_handle(src_hnd);
1382 
1383     ctx->is_premultiplied_alpha = false;
1384     ctx->fb_width = 0;
1385     ctx->fb_height = 0;
1386     ctx->config_mask = 0;
1387     return status;
1388 }
1389 
set_sync_copybit(struct copybit_device_t * dev,int acquireFenceFd)1390 static int set_sync_copybit(struct copybit_device_t *dev,
1391     int acquireFenceFd)
1392 {
1393     return 0;
1394 }
1395 
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)1396 static int stretch_copybit(
1397     struct copybit_device_t *dev,
1398     struct copybit_image_t const *dst,
1399     struct copybit_image_t const *src,
1400     struct copybit_rect_t const *dst_rect,
1401     struct copybit_rect_t const *src_rect,
1402     struct copybit_region_t const *region)
1403 {
1404     struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
1405     int status = COPYBIT_SUCCESS;
1406     bool needsBlending = (ctx->src_global_alpha != 0);
1407     pthread_mutex_lock(&ctx->wait_cleanup_lock);
1408     status = stretch_copybit_internal(dev, dst, src, dst_rect, src_rect,
1409                                     region, needsBlending);
1410     pthread_mutex_unlock(&ctx->wait_cleanup_lock);
1411     return status;
1412 }
1413 
1414 /** Perform a blit type operation */
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)1415 static int blit_copybit(
1416     struct copybit_device_t *dev,
1417     struct copybit_image_t const *dst,
1418     struct copybit_image_t const *src,
1419     struct copybit_region_t const *region)
1420 {
1421     int status = COPYBIT_SUCCESS;
1422     struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
1423     struct copybit_rect_t dr = { 0, 0, (int)dst->w, (int)dst->h };
1424     struct copybit_rect_t sr = { 0, 0, (int)src->w, (int)src->h };
1425     pthread_mutex_lock(&ctx->wait_cleanup_lock);
1426     status = stretch_copybit_internal(dev, dst, src, &dr, &sr, region, false);
1427     pthread_mutex_unlock(&ctx->wait_cleanup_lock);
1428     return status;
1429 }
1430 
1431 /*****************************************************************************/
1432 
clean_up(copybit_context_t * ctx)1433 static void clean_up(copybit_context_t* ctx)
1434 {
1435     void* ret;
1436     if (!ctx)
1437         return;
1438 
1439     // stop the wait_cleanup_thread
1440     pthread_mutex_lock(&ctx->wait_cleanup_lock);
1441     ctx->stop_thread = true;
1442     // Signal waiting thread
1443     pthread_cond_signal(&ctx->wait_cleanup_cond);
1444     pthread_mutex_unlock(&ctx->wait_cleanup_lock);
1445     // waits for the cleanup thread to exit
1446     pthread_join(ctx->wait_thread_id, &ret);
1447     pthread_mutex_destroy(&ctx->wait_cleanup_lock);
1448     pthread_cond_destroy (&ctx->wait_cleanup_cond);
1449 
1450     for (int i = 0; i < NUM_SURFACE_TYPES; i++) {
1451         if (ctx->dst[i])
1452             LINK_c2dDestroySurface(ctx->dst[i]);
1453     }
1454 
1455     for (int i = 0; i < MAX_RGB_SURFACES; i++) {
1456         if (ctx->blit_rgb_object[i].surface_id)
1457             LINK_c2dDestroySurface(ctx->blit_rgb_object[i].surface_id);
1458     }
1459 
1460     for (int i = 0; i < MAX_YUV_2_PLANE_SURFACES; i++) {
1461         if (ctx->blit_yuv_2_plane_object[i].surface_id)
1462             LINK_c2dDestroySurface(ctx->blit_yuv_2_plane_object[i].surface_id);
1463     }
1464 
1465     for (int i = 0; i < MAX_YUV_3_PLANE_SURFACES; i++) {
1466         if (ctx->blit_yuv_3_plane_object[i].surface_id)
1467             LINK_c2dDestroySurface(ctx->blit_yuv_3_plane_object[i].surface_id);
1468     }
1469 
1470     if (ctx->libc2d2) {
1471         ::dlclose(ctx->libc2d2);
1472         ALOGV("dlclose(libc2d2)");
1473     }
1474 
1475     free(ctx);
1476 }
1477 
1478 /** Close the copybit device */
close_copybit(struct hw_device_t * dev)1479 static int close_copybit(struct hw_device_t *dev)
1480 {
1481     struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
1482     if (ctx) {
1483         free_temp_buffer(ctx->temp_src_buffer);
1484         free_temp_buffer(ctx->temp_dst_buffer);
1485     }
1486     clean_up(ctx);
1487     return 0;
1488 }
1489 
1490 /** Open a new instance of a copybit device using name */
open_copybit(const struct hw_module_t * module,const char * name,struct hw_device_t ** device)1491 static int open_copybit(const struct hw_module_t* module, const char* name,
1492                         struct hw_device_t** device)
1493 {
1494     int status = COPYBIT_SUCCESS;
1495     C2D_RGB_SURFACE_DEF surfDefinition = {0};
1496     C2D_YUV_SURFACE_DEF yuvSurfaceDef = {0} ;
1497     struct copybit_context_t *ctx;
1498     char fbName[64];
1499 
1500     ctx = (struct copybit_context_t *)malloc(sizeof(struct copybit_context_t));
1501     if(!ctx) {
1502         ALOGE("%s: malloc failed", __FUNCTION__);
1503         return COPYBIT_FAILURE;
1504     }
1505 
1506     /* initialize drawstate */
1507     memset(ctx, 0, sizeof(*ctx));
1508     ctx->libc2d2 = ::dlopen("libC2D2.so", RTLD_NOW);
1509     if (!ctx->libc2d2) {
1510         ALOGE("FATAL ERROR: could not dlopen libc2d2.so: %s", dlerror());
1511         clean_up(ctx);
1512         status = COPYBIT_FAILURE;
1513         *device = NULL;
1514         return status;
1515     }
1516     *(void **)&LINK_c2dCreateSurface = ::dlsym(ctx->libc2d2,
1517                                                "c2dCreateSurface");
1518     *(void **)&LINK_c2dUpdateSurface = ::dlsym(ctx->libc2d2,
1519                                                "c2dUpdateSurface");
1520     *(void **)&LINK_c2dReadSurface = ::dlsym(ctx->libc2d2,
1521                                              "c2dReadSurface");
1522     *(void **)&LINK_c2dDraw = ::dlsym(ctx->libc2d2, "c2dDraw");
1523     *(void **)&LINK_c2dFlush = ::dlsym(ctx->libc2d2, "c2dFlush");
1524     *(void **)&LINK_c2dFinish = ::dlsym(ctx->libc2d2, "c2dFinish");
1525     *(void **)&LINK_c2dWaitTimestamp = ::dlsym(ctx->libc2d2,
1526                                                "c2dWaitTimestamp");
1527     *(void **)&LINK_c2dDestroySurface = ::dlsym(ctx->libc2d2,
1528                                                 "c2dDestroySurface");
1529     *(void **)&LINK_c2dMapAddr = ::dlsym(ctx->libc2d2,
1530                                          "c2dMapAddr");
1531     *(void **)&LINK_c2dUnMapAddr = ::dlsym(ctx->libc2d2,
1532                                            "c2dUnMapAddr");
1533     *(void **)&LINK_c2dGetDriverCapabilities = ::dlsym(ctx->libc2d2,
1534                                            "c2dGetDriverCapabilities");
1535     *(void **)&LINK_c2dCreateFenceFD = ::dlsym(ctx->libc2d2,
1536                                            "c2dCreateFenceFD");
1537     *(void **)&LINK_c2dFillSurface = ::dlsym(ctx->libc2d2,
1538                                            "c2dFillSurface");
1539 
1540     if (!LINK_c2dCreateSurface || !LINK_c2dUpdateSurface || !LINK_c2dReadSurface
1541         || !LINK_c2dDraw || !LINK_c2dFlush || !LINK_c2dWaitTimestamp ||
1542         !LINK_c2dFinish  || !LINK_c2dDestroySurface ||
1543         !LINK_c2dGetDriverCapabilities || !LINK_c2dCreateFenceFD ||
1544         !LINK_c2dFillSurface) {
1545         ALOGE("%s: dlsym ERROR", __FUNCTION__);
1546         clean_up(ctx);
1547         status = COPYBIT_FAILURE;
1548         *device = NULL;
1549         return status;
1550     }
1551 
1552     ctx->device.common.tag = HARDWARE_DEVICE_TAG;
1553     ctx->device.common.version = 1;
1554     ctx->device.common.module = (hw_module_t*)(module);
1555     ctx->device.common.close = close_copybit;
1556     ctx->device.set_parameter = set_parameter_copybit;
1557     ctx->device.get = get;
1558     ctx->device.blit = blit_copybit;
1559     ctx->device.set_sync = set_sync_copybit;
1560     ctx->device.stretch = stretch_copybit;
1561     ctx->device.finish = finish_copybit;
1562     ctx->device.flush_get_fence = flush_get_fence_copybit;
1563     ctx->device.clear = clear_copybit;
1564 
1565     /* Create RGB Surface */
1566     surfDefinition.buffer = (void*)0xdddddddd;
1567     surfDefinition.phys = (void*)0xdddddddd;
1568     surfDefinition.stride = 1 * 4;
1569     surfDefinition.width = 1;
1570     surfDefinition.height = 1;
1571     surfDefinition.format = C2D_COLOR_FORMAT_8888_ARGB;
1572     if (LINK_c2dCreateSurface(&(ctx->dst[RGB_SURFACE]), C2D_TARGET | C2D_SOURCE,
1573                               (C2D_SURFACE_TYPE)(C2D_SURFACE_RGB_HOST |
1574                                                  C2D_SURFACE_WITH_PHYS |
1575                                                  C2D_SURFACE_WITH_PHYS_DUMMY ),
1576                                                  &surfDefinition)) {
1577         ALOGE("%s: create ctx->dst_surface[RGB_SURFACE] failed", __FUNCTION__);
1578         ctx->dst[RGB_SURFACE] = 0;
1579         clean_up(ctx);
1580         status = COPYBIT_FAILURE;
1581         *device = NULL;
1582         return status;
1583     }
1584 
1585     unsigned int surface_id = 0;
1586     for (int i = 0; i < MAX_RGB_SURFACES; i++)
1587     {
1588         if (LINK_c2dCreateSurface(&surface_id, C2D_TARGET | C2D_SOURCE,
1589                               (C2D_SURFACE_TYPE)(C2D_SURFACE_RGB_HOST |
1590                                                  C2D_SURFACE_WITH_PHYS |
1591                                                  C2D_SURFACE_WITH_PHYS_DUMMY ),
1592                                                  &surfDefinition)) {
1593             ALOGE("%s: create RGB source surface %d failed", __FUNCTION__, i);
1594             ctx->blit_rgb_object[i].surface_id = 0;
1595             status = COPYBIT_FAILURE;
1596             break;
1597         } else {
1598             ctx->blit_rgb_object[i].surface_id = surface_id;
1599             ALOGW("%s i = %d surface_id=%d",  __FUNCTION__, i,
1600                                           ctx->blit_rgb_object[i].surface_id);
1601         }
1602     }
1603 
1604     if (status == COPYBIT_FAILURE) {
1605         clean_up(ctx);
1606         status = COPYBIT_FAILURE;
1607         *device = NULL;
1608         return status;
1609     }
1610 
1611     // Create 2 plane YUV surfaces
1612     yuvSurfaceDef.format = C2D_COLOR_FORMAT_420_NV12;
1613     yuvSurfaceDef.width = 4;
1614     yuvSurfaceDef.height = 4;
1615     yuvSurfaceDef.plane0 = (void*)0xaaaaaaaa;
1616     yuvSurfaceDef.phys0 = (void*) 0xaaaaaaaa;
1617     yuvSurfaceDef.stride0 = 4;
1618 
1619     yuvSurfaceDef.plane1 = (void*)0xaaaaaaaa;
1620     yuvSurfaceDef.phys1 = (void*) 0xaaaaaaaa;
1621     yuvSurfaceDef.stride1 = 4;
1622     if (LINK_c2dCreateSurface(&(ctx->dst[YUV_SURFACE_2_PLANES]),
1623                               C2D_TARGET | C2D_SOURCE,
1624                               (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST |
1625                                C2D_SURFACE_WITH_PHYS |
1626                                C2D_SURFACE_WITH_PHYS_DUMMY),
1627                               &yuvSurfaceDef)) {
1628         ALOGE("%s: create ctx->dst[YUV_SURFACE_2_PLANES] failed", __FUNCTION__);
1629         ctx->dst[YUV_SURFACE_2_PLANES] = 0;
1630         clean_up(ctx);
1631         status = COPYBIT_FAILURE;
1632         *device = NULL;
1633         return status;
1634     }
1635 
1636     for (int i=0; i < MAX_YUV_2_PLANE_SURFACES; i++)
1637     {
1638         if (LINK_c2dCreateSurface(&surface_id, C2D_TARGET | C2D_SOURCE,
1639                               (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST |
1640                                                  C2D_SURFACE_WITH_PHYS |
1641                                                  C2D_SURFACE_WITH_PHYS_DUMMY ),
1642                               &yuvSurfaceDef)) {
1643             ALOGE("%s: create YUV source %d failed", __FUNCTION__, i);
1644             ctx->blit_yuv_2_plane_object[i].surface_id = 0;
1645             status = COPYBIT_FAILURE;
1646             break;
1647         } else {
1648             ctx->blit_yuv_2_plane_object[i].surface_id = surface_id;
1649             ALOGW("%s: 2 Plane YUV i=%d surface_id=%d",  __FUNCTION__, i,
1650                                    ctx->blit_yuv_2_plane_object[i].surface_id);
1651         }
1652     }
1653 
1654     if (status == COPYBIT_FAILURE) {
1655         clean_up(ctx);
1656         status = COPYBIT_FAILURE;
1657         *device = NULL;
1658         return status;
1659     }
1660 
1661     // Create YUV 3 plane surfaces
1662     yuvSurfaceDef.format = C2D_COLOR_FORMAT_420_YV12;
1663     yuvSurfaceDef.plane2 = (void*)0xaaaaaaaa;
1664     yuvSurfaceDef.phys2 = (void*) 0xaaaaaaaa;
1665     yuvSurfaceDef.stride2 = 4;
1666 
1667     if (LINK_c2dCreateSurface(&(ctx->dst[YUV_SURFACE_3_PLANES]),
1668                               C2D_TARGET | C2D_SOURCE,
1669                               (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST |
1670                                                  C2D_SURFACE_WITH_PHYS |
1671                                                  C2D_SURFACE_WITH_PHYS_DUMMY),
1672                               &yuvSurfaceDef)) {
1673         ALOGE("%s: create ctx->dst[YUV_SURFACE_3_PLANES] failed", __FUNCTION__);
1674         ctx->dst[YUV_SURFACE_3_PLANES] = 0;
1675         clean_up(ctx);
1676         status = COPYBIT_FAILURE;
1677         *device = NULL;
1678         return status;
1679     }
1680 
1681     for (int i=0; i < MAX_YUV_3_PLANE_SURFACES; i++)
1682     {
1683         if (LINK_c2dCreateSurface(&(surface_id),
1684                               C2D_TARGET | C2D_SOURCE,
1685                               (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST |
1686                                                  C2D_SURFACE_WITH_PHYS |
1687                                                  C2D_SURFACE_WITH_PHYS_DUMMY),
1688                               &yuvSurfaceDef)) {
1689             ALOGE("%s: create 3 plane YUV surface %d failed", __FUNCTION__, i);
1690             ctx->blit_yuv_3_plane_object[i].surface_id = 0;
1691             status = COPYBIT_FAILURE;
1692             break;
1693         } else {
1694             ctx->blit_yuv_3_plane_object[i].surface_id = surface_id;
1695             ALOGW("%s: 3 Plane YUV i=%d surface_id=%d",  __FUNCTION__, i,
1696                                    ctx->blit_yuv_3_plane_object[i].surface_id);
1697         }
1698     }
1699 
1700     if (status == COPYBIT_FAILURE) {
1701         clean_up(ctx);
1702         status = COPYBIT_FAILURE;
1703         *device = NULL;
1704         return status;
1705     }
1706 
1707     if (LINK_c2dGetDriverCapabilities(&(ctx->c2d_driver_info))) {
1708          ALOGE("%s: LINK_c2dGetDriverCapabilities failed", __FUNCTION__);
1709          clean_up(ctx);
1710          status = COPYBIT_FAILURE;
1711         *device = NULL;
1712         return status;
1713     }
1714     // Initialize context variables.
1715     ctx->trg_transform = C2D_TARGET_ROTATE_0;
1716 
1717     ctx->temp_src_buffer.fd = -1;
1718     ctx->temp_src_buffer.base = 0;
1719     ctx->temp_src_buffer.size = 0;
1720 
1721     ctx->temp_dst_buffer.fd = -1;
1722     ctx->temp_dst_buffer.base = 0;
1723     ctx->temp_dst_buffer.size = 0;
1724 
1725     ctx->fb_width = 0;
1726     ctx->fb_height = 0;
1727 
1728     ctx->blit_rgb_count = 0;
1729     ctx->blit_yuv_2_plane_count = 0;
1730     ctx->blit_yuv_3_plane_count = 0;
1731     ctx->blit_count = 0;
1732 
1733     ctx->wait_timestamp = false;
1734     ctx->stop_thread = false;
1735     pthread_mutex_init(&(ctx->wait_cleanup_lock), NULL);
1736     pthread_cond_init(&(ctx->wait_cleanup_cond), NULL);
1737     /* Start the wait thread */
1738     pthread_attr_t attr;
1739     pthread_attr_init(&attr);
1740     pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
1741 
1742     pthread_create(&ctx->wait_thread_id, &attr, &c2d_wait_loop,
1743                                                             (void *)ctx);
1744     pthread_attr_destroy(&attr);
1745 
1746     *device = &ctx->device.common;
1747     return status;
1748 }
1749