1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 * Copyright (c) 2010-2014, 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 <gralloc_priv.h>
39
40#include <copybit.h>
41#include <alloc_controller.h>
42#include <memalloc.h>
43
44#include "c2d2.h"
45#include "software_converter.h"
46
47#include <dlfcn.h>
48
49using gralloc::IMemAlloc;
50using gralloc::IonController;
51using gralloc::alloc_data;
52
53C2D_STATUS (*LINK_c2dCreateSurface)( uint32 *surface_id,
54                                     uint32 surface_bits,
55                                     C2D_SURFACE_TYPE surface_type,
56                                     void *surface_definition );
57
58C2D_STATUS (*LINK_c2dUpdateSurface)( uint32 surface_id,
59                                     uint32 surface_bits,
60                                     C2D_SURFACE_TYPE surface_type,
61                                     void *surface_definition );
62
63C2D_STATUS (*LINK_c2dReadSurface)( uint32 surface_id,
64                                   C2D_SURFACE_TYPE surface_type,
65                                   void *surface_definition,
66                                   int32 x, int32 y );
67
68C2D_STATUS (*LINK_c2dDraw)( uint32 target_id,
69                            uint32 target_config, C2D_RECT *target_scissor,
70                            uint32 target_mask_id, uint32 target_color_key,
71                            C2D_OBJECT *objects_list, uint32 num_objects );
72
73C2D_STATUS (*LINK_c2dFinish)( uint32 target_id);
74
75C2D_STATUS (*LINK_c2dFlush)( uint32 target_id, c2d_ts_handle *timestamp);
76
77C2D_STATUS (*LINK_c2dWaitTimestamp)( c2d_ts_handle timestamp );
78
79C2D_STATUS (*LINK_c2dDestroySurface)( uint32 surface_id );
80
81C2D_STATUS (*LINK_c2dMapAddr) ( int mem_fd, void * hostptr, size_t len,
82                                size_t offset, uint32 flags, void ** gpuaddr);
83
84C2D_STATUS (*LINK_c2dUnMapAddr) ( void * gpuaddr);
85
86C2D_STATUS (*LINK_c2dGetDriverCapabilities) ( C2D_DRIVER_INFO * driver_info);
87
88/* create a fence fd for the timestamp */
89C2D_STATUS (*LINK_c2dCreateFenceFD) ( uint32 target_id, c2d_ts_handle timestamp,
90                                                            int32 *fd);
91
92C2D_STATUS (*LINK_c2dFillSurface) ( uint32 surface_id, uint32 fill_color,
93                                    C2D_RECT * fill_rect);
94
95/******************************************************************************/
96
97#if defined(COPYBIT_Z180)
98#define MAX_SCALE_FACTOR    (4096)
99#define MAX_DIMENSION       (4096)
100#else
101#error "Unsupported HW version"
102#endif
103
104// The following defines can be changed as required i.e. as we encounter
105// complex use cases.
106#define MAX_RGB_SURFACES 32       // Max. RGB layers currently supported per draw
107#define MAX_YUV_2_PLANE_SURFACES 4// Max. 2-plane YUV layers currently supported per draw
108#define MAX_YUV_3_PLANE_SURFACES 1// Max. 3-plane YUV layers currently supported per draw
109// +1 for the destination surface. We cannot have multiple destination surfaces.
110#define MAX_SURFACES (MAX_RGB_SURFACES + MAX_YUV_2_PLANE_SURFACES + MAX_YUV_3_PLANE_SURFACES + 1)
111#define NUM_SURFACE_TYPES 3      // RGB_SURFACE + YUV_SURFACE_2_PLANES + YUV_SURFACE_3_PLANES
112#define MAX_BLIT_OBJECT_COUNT 50 // Max. blit objects that can be passed per draw
113
114enum {
115    RGB_SURFACE,
116    YUV_SURFACE_2_PLANES,
117    YUV_SURFACE_3_PLANES
118};
119
120enum eConversionType {
121    CONVERT_TO_ANDROID_FORMAT,
122    CONVERT_TO_C2D_FORMAT
123};
124
125enum eC2DFlags {
126    FLAGS_PREMULTIPLIED_ALPHA  = 1<<0,
127    FLAGS_YUV_DESTINATION      = 1<<1,
128    FLAGS_TEMP_SRC_DST         = 1<<2
129};
130
131static gralloc::IAllocController* sAlloc = 0;
132/******************************************************************************/
133
134/** State information for each device instance */
135struct copybit_context_t {
136    struct copybit_device_t device;
137    // Templates for the various source surfaces. These templates are created
138    // to avoid the expensive create/destroy C2D Surfaces
139    C2D_OBJECT_STR blit_rgb_object[MAX_RGB_SURFACES];
140    C2D_OBJECT_STR blit_yuv_2_plane_object[MAX_YUV_2_PLANE_SURFACES];
141    C2D_OBJECT_STR blit_yuv_3_plane_object[MAX_YUV_3_PLANE_SURFACES];
142    C2D_OBJECT_STR blit_list[MAX_BLIT_OBJECT_COUNT]; // Z-ordered list of blit objects
143    C2D_DRIVER_INFO c2d_driver_info;
144    void *libc2d2;
145    alloc_data temp_src_buffer;
146    alloc_data temp_dst_buffer;
147    unsigned int dst[NUM_SURFACE_TYPES]; // dst surfaces
148    uintptr_t mapped_gpu_addr[MAX_SURFACES]; // GPU addresses mapped inside copybit
149    int blit_rgb_count;         // Total RGB surfaces being blit
150    int blit_yuv_2_plane_count; // Total 2 plane YUV surfaces being
151    int blit_yuv_3_plane_count; // Total 3 plane YUV  surfaces being blit
152    int blit_count;             // Total blit objects.
153    unsigned int trg_transform;      /* target transform */
154    int fb_width;
155    int fb_height;
156    int src_global_alpha;
157    int config_mask;
158    int dst_surface_type;
159    bool is_premultiplied_alpha;
160    void* time_stamp;
161    bool dst_surface_mapped; // Set when dst surface is mapped to GPU addr
162    void* dst_surface_base; // Stores the dst surface addr
163
164    // used for signaling the wait thread
165    bool wait_timestamp;
166    pthread_t wait_thread_id;
167    bool stop_thread;
168    pthread_mutex_t wait_cleanup_lock;
169    pthread_cond_t wait_cleanup_cond;
170
171};
172
173struct bufferInfo {
174    int width;
175    int height;
176    int format;
177};
178
179struct yuvPlaneInfo {
180    int yStride;       //luma stride
181    int plane1_stride;
182    int plane2_stride;
183    size_t plane1_offset;
184    size_t plane2_offset;
185};
186
187/**
188 * Common hardware methods
189 */
190
191static int open_copybit(const struct hw_module_t* module, const char* name,
192                        struct hw_device_t** device);
193
194static struct hw_module_methods_t copybit_module_methods = {
195open:  open_copybit
196};
197
198/*
199 * The COPYBIT Module
200 */
201struct copybit_module_t HAL_MODULE_INFO_SYM = {
202common: {
203tag: HARDWARE_MODULE_TAG,
204     version_major: 1,
205     version_minor: 0,
206     id: COPYBIT_HARDWARE_MODULE_ID,
207     name: "QCT COPYBIT C2D 2.0 Module",
208     author: "Qualcomm",
209     methods: &copybit_module_methods
210        }
211};
212
213
214/* thread function which waits on the timeStamp and cleans up the surfaces */
215static void* c2d_wait_loop(void* ptr) {
216    copybit_context_t* ctx = (copybit_context_t*)(ptr);
217    char thread_name[64] = "copybitWaitThr";
218    prctl(PR_SET_NAME, (unsigned long) &thread_name, 0, 0, 0);
219    setpriority(PRIO_PROCESS, 0, HAL_PRIORITY_URGENT_DISPLAY);
220
221    while(ctx->stop_thread == false) {
222        pthread_mutex_lock(&ctx->wait_cleanup_lock);
223        while(ctx->wait_timestamp == false && !ctx->stop_thread) {
224            pthread_cond_wait(&(ctx->wait_cleanup_cond),
225                              &(ctx->wait_cleanup_lock));
226        }
227        if(ctx->wait_timestamp) {
228            if(LINK_c2dWaitTimestamp(ctx->time_stamp)) {
229                ALOGE("%s: LINK_c2dWaitTimeStamp ERROR!!", __FUNCTION__);
230            }
231            ctx->wait_timestamp = false;
232            // Unmap any mapped addresses.
233            for (int i = 0; i < MAX_SURFACES; i++) {
234                if (ctx->mapped_gpu_addr[i]) {
235                    LINK_c2dUnMapAddr( (void*)ctx->mapped_gpu_addr[i]);
236                    ctx->mapped_gpu_addr[i] = 0;
237                }
238            }
239            // Reset the counts after the draw.
240            ctx->blit_rgb_count = 0;
241            ctx->blit_yuv_2_plane_count = 0;
242            ctx->blit_yuv_3_plane_count = 0;
243            ctx->blit_count = 0;
244            ctx->dst_surface_mapped = false;
245            ctx->dst_surface_base = 0;
246        }
247        pthread_mutex_unlock(&ctx->wait_cleanup_lock);
248        if(ctx->stop_thread)
249            break;
250    }
251    pthread_exit(NULL);
252    return NULL;
253}
254
255
256/* convert COPYBIT_FORMAT to C2D format */
257static int get_format(int format) {
258    switch (format) {
259        case HAL_PIXEL_FORMAT_RGB_565:        return C2D_COLOR_FORMAT_565_RGB;
260        case HAL_PIXEL_FORMAT_RGB_888:        return C2D_COLOR_FORMAT_888_RGB |
261                                              C2D_FORMAT_SWAP_RB;
262        case HAL_PIXEL_FORMAT_RGBX_8888:      return C2D_COLOR_FORMAT_8888_ARGB |
263                                              C2D_FORMAT_SWAP_RB |
264                                                  C2D_FORMAT_DISABLE_ALPHA;
265        case HAL_PIXEL_FORMAT_RGBA_8888:      return C2D_COLOR_FORMAT_8888_ARGB |
266                                              C2D_FORMAT_SWAP_RB;
267        case HAL_PIXEL_FORMAT_BGRA_8888:      return C2D_COLOR_FORMAT_8888_ARGB;
268        case HAL_PIXEL_FORMAT_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 */
281static 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 *//* ------------------------------------------------------------------- */
302int 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_888_RGB:
321            c2dBpp = 24;
322            break;
323        case C2D_COLOR_FORMAT_8_L:
324        case C2D_COLOR_FORMAT_8_A:
325            c2dBpp = 8;
326            break;
327        case C2D_COLOR_FORMAT_4_A:
328            c2dBpp = 4;
329            break;
330        case C2D_COLOR_FORMAT_1:
331            c2dBpp = 1;
332            break;
333        default:
334            ALOGE("%s ERROR", __func__);
335            break;
336    }
337    return c2dBpp;
338}
339
340static size_t c2d_get_gpuaddr(copybit_context_t* ctx,
341                              struct private_handle_t *handle, int &mapped_idx)
342{
343    uint32 memtype;
344    size_t *gpuaddr = 0;
345    C2D_STATUS rc;
346    int freeindex = 0;
347    bool mapaddr = false;
348
349    if(!handle)
350        return 0;
351
352    if (handle->flags & (private_handle_t::PRIV_FLAGS_USES_PMEM |
353                         private_handle_t::PRIV_FLAGS_USES_PMEM_ADSP))
354        memtype = KGSL_USER_MEM_TYPE_PMEM;
355    else if (handle->flags & private_handle_t::PRIV_FLAGS_USES_ASHMEM)
356        memtype = KGSL_USER_MEM_TYPE_ASHMEM;
357    else if (handle->flags & private_handle_t::PRIV_FLAGS_USES_ION)
358        memtype = KGSL_USER_MEM_TYPE_ION;
359    else {
360        ALOGE("Invalid handle flags: 0x%x", handle->flags);
361        return 0;
362    }
363
364    // Check for a freeindex in the mapped_gpu_addr list
365    for (freeindex = 0; freeindex < MAX_SURFACES; freeindex++) {
366        if (ctx->mapped_gpu_addr[freeindex] == 0) {
367            // free index is available
368            // map GPU addr and use this as mapped_idx
369            mapaddr = true;
370            break;
371        }
372    }
373
374    if(mapaddr) {
375        rc = LINK_c2dMapAddr(handle->fd, (void*)handle->base, handle->size,
376                             handle->offset, memtype, (void**)&gpuaddr);
377
378        if (rc == C2D_STATUS_OK) {
379            // We have mapped the GPU address inside copybit. We need to unmap
380            // this address after the blit. Store this address
381            ctx->mapped_gpu_addr[freeindex] = (size_t)gpuaddr;
382            mapped_idx = freeindex;
383        }
384    }
385    return (size_t)gpuaddr;
386}
387
388static void unmap_gpuaddr(copybit_context_t* ctx, int mapped_idx)
389{
390    if (!ctx || (mapped_idx == -1))
391        return;
392
393    if (ctx->mapped_gpu_addr[mapped_idx]) {
394        LINK_c2dUnMapAddr( (void*)ctx->mapped_gpu_addr[mapped_idx]);
395        ctx->mapped_gpu_addr[mapped_idx] = 0;
396    }
397}
398
399static int is_supported_rgb_format(int format)
400{
401    switch(format) {
402        case HAL_PIXEL_FORMAT_RGBA_8888:
403        case HAL_PIXEL_FORMAT_RGBX_8888:
404        case HAL_PIXEL_FORMAT_RGB_888:
405        case HAL_PIXEL_FORMAT_RGB_565:
406        case HAL_PIXEL_FORMAT_BGRA_8888: {
407            return COPYBIT_SUCCESS;
408        }
409        default:
410            return COPYBIT_FAILURE;
411    }
412}
413
414static int get_num_planes(int format)
415{
416    switch(format) {
417        case HAL_PIXEL_FORMAT_YCbCr_420_SP:
418        case HAL_PIXEL_FORMAT_YCrCb_420_SP:
419        case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
420        case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: {
421            return 2;
422        }
423        case HAL_PIXEL_FORMAT_YV12: {
424            return 3;
425        }
426        default:
427            return COPYBIT_FAILURE;
428    }
429}
430
431static int is_supported_yuv_format(int format)
432{
433    switch(format) {
434        case HAL_PIXEL_FORMAT_YCbCr_420_SP:
435        case HAL_PIXEL_FORMAT_YCrCb_420_SP:
436        case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
437        case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: {
438            return COPYBIT_SUCCESS;
439        }
440        default:
441            return COPYBIT_FAILURE;
442    }
443}
444
445static int is_valid_destination_format(int format)
446{
447    if (format == HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED) {
448        // C2D does not support NV12Tile as a destination format.
449        return COPYBIT_FAILURE;
450    }
451    return COPYBIT_SUCCESS;
452}
453
454static int calculate_yuv_offset_and_stride(const bufferInfo& info,
455                                           yuvPlaneInfo& yuvInfo)
456{
457    int width  = info.width;
458    int height = info.height;
459    int format = info.format;
460
461    int aligned_height = 0;
462    int aligned_width = 0, size = 0;
463
464    switch (format) {
465        case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: {
466            /* NV12 Tile buffers have their luma height aligned to 32bytes and width
467             * aligned to 128 bytes. The chroma offset starts at an 8K boundary
468             */
469            aligned_height = ALIGN(height, 32);
470            aligned_width  = ALIGN(width, 128);
471            size = aligned_width * aligned_height;
472            yuvInfo.plane1_offset = ALIGN(size,8192);
473            yuvInfo.yStride = aligned_width;
474            yuvInfo.plane1_stride = aligned_width;
475            break;
476        }
477        case HAL_PIXEL_FORMAT_YCbCr_420_SP:
478        case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
479        case HAL_PIXEL_FORMAT_YCrCb_420_SP: {
480            aligned_width = ALIGN(width, 32);
481            yuvInfo.yStride = aligned_width;
482            yuvInfo.plane1_stride = aligned_width;
483            if (HAL_PIXEL_FORMAT_NV12_ENCODEABLE == format) {
484                // The encoder requires a 2K aligned chroma offset
485                yuvInfo.plane1_offset = ALIGN(aligned_width * height, 2048);
486            } else
487                yuvInfo.plane1_offset = aligned_width * height;
488
489            break;
490        }
491        default: {
492            return COPYBIT_FAILURE;
493        }
494    }
495    return COPYBIT_SUCCESS;
496}
497
498/** create C2D surface from copybit image */
499static int set_image(copybit_context_t* ctx, uint32 surfaceId,
500                      const struct copybit_image_t *rhs,
501                      const eC2DFlags flags, int &mapped_idx)
502{
503    struct private_handle_t* handle = (struct private_handle_t*)rhs->handle;
504    C2D_SURFACE_TYPE surfaceType;
505    int status = COPYBIT_SUCCESS;
506    uintptr_t gpuaddr = 0;
507    int c2d_format;
508    mapped_idx = -1;
509
510    if (flags & FLAGS_YUV_DESTINATION) {
511        c2d_format = get_c2d_format_for_yuv_destination(rhs->format);
512    } else {
513        c2d_format = get_format(rhs->format);
514    }
515
516    if(c2d_format == -EINVAL) {
517        ALOGE("%s: invalid format", __FUNCTION__);
518        return -EINVAL;
519    }
520
521    if(handle == NULL) {
522        ALOGE("%s: invalid handle", __func__);
523        return -EINVAL;
524    }
525
526    if (handle->gpuaddr == 0) {
527        gpuaddr = c2d_get_gpuaddr(ctx, handle, mapped_idx);
528        if(!gpuaddr) {
529            ALOGE("%s: c2d_get_gpuaddr failed", __FUNCTION__);
530            return COPYBIT_FAILURE;
531        }
532    } else {
533        gpuaddr = handle->gpuaddr;
534    }
535
536    /* create C2D surface */
537    if(is_supported_rgb_format(rhs->format) == COPYBIT_SUCCESS) {
538        /* RGB */
539        C2D_RGB_SURFACE_DEF surfaceDef;
540
541        surfaceType = (C2D_SURFACE_TYPE) (C2D_SURFACE_RGB_HOST | C2D_SURFACE_WITH_PHYS);
542
543        surfaceDef.phys = (void*) gpuaddr;
544        surfaceDef.buffer = (void*) (handle->base);
545
546        surfaceDef.format = c2d_format |
547            ((flags & FLAGS_PREMULTIPLIED_ALPHA) ? C2D_FORMAT_PREMULTIPLIED : 0);
548        surfaceDef.width = rhs->w;
549        surfaceDef.height = rhs->h;
550        int aligned_width = ALIGN((int)surfaceDef.width,32);
551        surfaceDef.stride = (aligned_width * c2diGetBpp(surfaceDef.format))>>3;
552
553        if(LINK_c2dUpdateSurface( surfaceId,C2D_TARGET | C2D_SOURCE, surfaceType,
554                                  &surfaceDef)) {
555            ALOGE("%s: RGB Surface c2dUpdateSurface ERROR", __FUNCTION__);
556            unmap_gpuaddr(ctx, mapped_idx);
557            status = COPYBIT_FAILURE;
558        }
559    } else if (is_supported_yuv_format(rhs->format) == COPYBIT_SUCCESS) {
560        C2D_YUV_SURFACE_DEF surfaceDef;
561        memset(&surfaceDef, 0, sizeof(surfaceDef));
562        surfaceType = (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST | C2D_SURFACE_WITH_PHYS);
563        surfaceDef.format = c2d_format;
564
565        bufferInfo info;
566        info.width = rhs->w;
567        info.height = rhs->h;
568        info.format = rhs->format;
569
570        yuvPlaneInfo yuvInfo = {0};
571        status = calculate_yuv_offset_and_stride(info, yuvInfo);
572        if(status != COPYBIT_SUCCESS) {
573            ALOGE("%s: calculate_yuv_offset_and_stride error", __FUNCTION__);
574            unmap_gpuaddr(ctx, mapped_idx);
575        }
576
577        surfaceDef.width = rhs->w;
578        surfaceDef.height = rhs->h;
579        surfaceDef.plane0 = (void*) (handle->base);
580        surfaceDef.phys0 = (void*) (gpuaddr);
581        surfaceDef.stride0 = yuvInfo.yStride;
582
583        surfaceDef.plane1 = (void*) (handle->base + yuvInfo.plane1_offset);
584        surfaceDef.phys1 = (void*) (gpuaddr + yuvInfo.plane1_offset);
585        surfaceDef.stride1 = yuvInfo.plane1_stride;
586        if (3 == get_num_planes(rhs->format)) {
587            surfaceDef.plane2 = (void*) (handle->base + yuvInfo.plane2_offset);
588            surfaceDef.phys2 = (void*) (gpuaddr + yuvInfo.plane2_offset);
589            surfaceDef.stride2 = yuvInfo.plane2_stride;
590        }
591
592        if(LINK_c2dUpdateSurface( surfaceId,C2D_TARGET | C2D_SOURCE, surfaceType,
593                                  &surfaceDef)) {
594            ALOGE("%s: YUV Surface c2dUpdateSurface ERROR", __FUNCTION__);
595            unmap_gpuaddr(ctx, mapped_idx);
596            status = COPYBIT_FAILURE;
597        }
598    } else {
599        ALOGE("%s: invalid format 0x%x", __FUNCTION__, rhs->format);
600        unmap_gpuaddr(ctx, mapped_idx);
601        status = COPYBIT_FAILURE;
602    }
603
604    return status;
605}
606
607/** copy the bits */
608static int msm_copybit(struct copybit_context_t *ctx, unsigned int target)
609{
610    if (ctx->blit_count == 0) {
611        return COPYBIT_SUCCESS;
612    }
613
614    for (int i = 0; i < ctx->blit_count; i++)
615    {
616        ctx->blit_list[i].next = &(ctx->blit_list[i+1]);
617    }
618    ctx->blit_list[ctx->blit_count-1].next = NULL;
619    uint32_t target_transform = ctx->trg_transform;
620    if (ctx->c2d_driver_info.capabilities_mask &
621        C2D_DRIVER_SUPPORTS_OVERRIDE_TARGET_ROTATE_OP) {
622        // For A3xx - set 0x0 as the transform is set in the config_mask
623        target_transform = 0x0;
624    }
625    if(LINK_c2dDraw(target, target_transform, 0x0, 0, 0, ctx->blit_list,
626                    ctx->blit_count)) {
627        ALOGE("%s: LINK_c2dDraw ERROR", __FUNCTION__);
628        return COPYBIT_FAILURE;
629    }
630    return COPYBIT_SUCCESS;
631}
632
633
634
635static int flush_get_fence_copybit (struct copybit_device_t *dev, int* fd)
636{
637    struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
638    int status = COPYBIT_FAILURE;
639    if (!ctx)
640        return COPYBIT_FAILURE;
641    pthread_mutex_lock(&ctx->wait_cleanup_lock);
642    status = msm_copybit(ctx, ctx->dst[ctx->dst_surface_type]);
643
644    if(LINK_c2dFlush(ctx->dst[ctx->dst_surface_type], &ctx->time_stamp)) {
645        ALOGE("%s: LINK_c2dFlush ERROR", __FUNCTION__);
646        // unlock the mutex and return failure
647        pthread_mutex_unlock(&ctx->wait_cleanup_lock);
648        return COPYBIT_FAILURE;
649    }
650    if(LINK_c2dCreateFenceFD(ctx->dst[ctx->dst_surface_type], ctx->time_stamp,
651                                                                        fd)) {
652        ALOGE("%s: LINK_c2dCreateFenceFD ERROR", __FUNCTION__);
653        status = COPYBIT_FAILURE;
654    }
655    if(status == COPYBIT_SUCCESS) {
656        //signal the wait_thread
657        ctx->wait_timestamp = true;
658        pthread_cond_signal(&ctx->wait_cleanup_cond);
659    }
660    pthread_mutex_unlock(&ctx->wait_cleanup_lock);
661    return status;
662}
663
664static int finish_copybit(struct copybit_device_t *dev)
665{
666    struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
667    if (!ctx)
668        return COPYBIT_FAILURE;
669
670   int status = msm_copybit(ctx, ctx->dst[ctx->dst_surface_type]);
671
672   if(LINK_c2dFinish(ctx->dst[ctx->dst_surface_type])) {
673        ALOGE("%s: LINK_c2dFinish ERROR", __FUNCTION__);
674        return COPYBIT_FAILURE;
675    }
676
677    // Unmap any mapped addresses.
678    for (int i = 0; i < MAX_SURFACES; i++) {
679        if (ctx->mapped_gpu_addr[i]) {
680            LINK_c2dUnMapAddr( (void*)ctx->mapped_gpu_addr[i]);
681            ctx->mapped_gpu_addr[i] = 0;
682        }
683    }
684
685    // Reset the counts after the draw.
686    ctx->blit_rgb_count = 0;
687    ctx->blit_yuv_2_plane_count = 0;
688    ctx->blit_yuv_3_plane_count = 0;
689    ctx->blit_count = 0;
690    ctx->dst_surface_mapped = false;
691    ctx->dst_surface_base = 0;
692
693    return status;
694}
695
696static int clear_copybit(struct copybit_device_t *dev,
697                         struct copybit_image_t const *buf,
698                         struct copybit_rect_t *rect)
699{
700    int ret = COPYBIT_SUCCESS;
701    int flags = FLAGS_PREMULTIPLIED_ALPHA;
702    int mapped_dst_idx = -1;
703    struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
704    C2D_RECT c2drect = {rect->l, rect->t, rect->r - rect->l, rect->b - rect->t};
705    pthread_mutex_lock(&ctx->wait_cleanup_lock);
706    if(!ctx->dst_surface_mapped) {
707        ret = set_image(ctx, ctx->dst[RGB_SURFACE], buf,
708                        (eC2DFlags)flags, mapped_dst_idx);
709        if(ret) {
710            ALOGE("%s: set_image error", __FUNCTION__);
711            unmap_gpuaddr(ctx, mapped_dst_idx);
712            pthread_mutex_unlock(&ctx->wait_cleanup_lock);
713            return COPYBIT_FAILURE;
714        }
715        //clear_copybit is the first call made by HWC for each composition
716        //with the dest surface, hence set dst_surface_mapped.
717        ctx->dst_surface_mapped = true;
718        ctx->dst_surface_base = buf->base;
719        ret = LINK_c2dFillSurface(ctx->dst[RGB_SURFACE], 0x0, &c2drect);
720    }
721    pthread_mutex_unlock(&ctx->wait_cleanup_lock);
722    return ret;
723}
724
725
726/** setup rectangles */
727static void set_rects(struct copybit_context_t *ctx,
728                      C2D_OBJECT *c2dObject,
729                      const struct copybit_rect_t *dst,
730                      const struct copybit_rect_t *src,
731                      const struct copybit_rect_t *scissor)
732{
733    // Set the target rect.
734    if((ctx->trg_transform & C2D_TARGET_ROTATE_90) &&
735       (ctx->trg_transform & C2D_TARGET_ROTATE_180)) {
736        /* target rotation is 270 */
737        c2dObject->target_rect.x        = (dst->t)<<16;
738        c2dObject->target_rect.y        = ctx->fb_width?
739                (ALIGN(ctx->fb_width,32)- dst->r):dst->r;
740        c2dObject->target_rect.y        = c2dObject->target_rect.y<<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_90) {
744        c2dObject->target_rect.x        = ctx->fb_height?(ctx->fb_height - dst->b):dst->b;
745        c2dObject->target_rect.x        = c2dObject->target_rect.x<<16;
746        c2dObject->target_rect.y        = (dst->l)<<16;
747        c2dObject->target_rect.height   = ((dst->r) - (dst->l))<<16;
748        c2dObject->target_rect.width    = ((dst->b) - (dst->t))<<16;
749    } else if(ctx->trg_transform & C2D_TARGET_ROTATE_180) {
750        c2dObject->target_rect.y        = ctx->fb_height?(ctx->fb_height - dst->b):dst->b;
751        c2dObject->target_rect.y        = c2dObject->target_rect.y<<16;
752        c2dObject->target_rect.x        = ctx->fb_width?
753                (ALIGN(ctx->fb_width,32) - dst->r):dst->r;
754        c2dObject->target_rect.x        = c2dObject->target_rect.x<<16;
755        c2dObject->target_rect.height   = ((dst->b) - (dst->t))<<16;
756        c2dObject->target_rect.width    = ((dst->r) - (dst->l))<<16;
757    } else {
758        c2dObject->target_rect.x        = (dst->l)<<16;
759        c2dObject->target_rect.y        = (dst->t)<<16;
760        c2dObject->target_rect.height   = ((dst->b) - (dst->t))<<16;
761        c2dObject->target_rect.width    = ((dst->r) - (dst->l))<<16;
762    }
763    c2dObject->config_mask |= C2D_TARGET_RECT_BIT;
764
765    // Set the source rect
766    c2dObject->source_rect.x        = (src->l)<<16;
767    c2dObject->source_rect.y        = (src->t)<<16;
768    c2dObject->source_rect.height   = ((src->b) - (src->t))<<16;
769    c2dObject->source_rect.width    = ((src->r) - (src->l))<<16;
770    c2dObject->config_mask |= C2D_SOURCE_RECT_BIT;
771
772    // Set the scissor rect
773    c2dObject->scissor_rect.x       = scissor->l;
774    c2dObject->scissor_rect.y       = scissor->t;
775    c2dObject->scissor_rect.height  = (scissor->b) - (scissor->t);
776    c2dObject->scissor_rect.width   = (scissor->r) - (scissor->l);
777    c2dObject->config_mask |= C2D_SCISSOR_RECT_BIT;
778}
779
780/*****************************************************************************/
781
782/** Set a parameter to value */
783static int set_parameter_copybit(
784    struct copybit_device_t *dev,
785    int name,
786    int value)
787{
788    struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
789    int status = COPYBIT_SUCCESS;
790    if (!ctx) {
791        ALOGE("%s: null context", __FUNCTION__);
792        return -EINVAL;
793    }
794
795    pthread_mutex_lock(&ctx->wait_cleanup_lock);
796    switch(name) {
797        case COPYBIT_PLANE_ALPHA:
798        {
799            if (value < 0)      value = 0;
800            if (value >= 256)   value = 255;
801
802            ctx->src_global_alpha = value;
803            if (value < 255)
804                ctx->config_mask |= C2D_GLOBAL_ALPHA_BIT;
805            else
806                ctx->config_mask &= ~C2D_GLOBAL_ALPHA_BIT;
807        }
808        break;
809        case COPYBIT_BLEND_MODE:
810        {
811            if (value == COPYBIT_BLENDING_NONE) {
812                ctx->config_mask |= C2D_ALPHA_BLEND_NONE;
813                ctx->is_premultiplied_alpha = true;
814            } else if (value == COPYBIT_BLENDING_PREMULT) {
815                ctx->is_premultiplied_alpha = true;
816            } else {
817                ctx->config_mask &= ~C2D_ALPHA_BLEND_NONE;
818            }
819        }
820        break;
821        case COPYBIT_TRANSFORM:
822        {
823            unsigned int transform = 0;
824            uint32 config_mask = 0;
825            config_mask |= C2D_OVERRIDE_GLOBAL_TARGET_ROTATE_CONFIG;
826            if((value & 0x7) == COPYBIT_TRANSFORM_ROT_180) {
827                transform = C2D_TARGET_ROTATE_180;
828                config_mask |= C2D_OVERRIDE_TARGET_ROTATE_180;
829            } else if((value & 0x7) == COPYBIT_TRANSFORM_ROT_270) {
830                transform = C2D_TARGET_ROTATE_90;
831                config_mask |= C2D_OVERRIDE_TARGET_ROTATE_90;
832            } else if(value == COPYBIT_TRANSFORM_ROT_90) {
833                transform = C2D_TARGET_ROTATE_270;
834                config_mask |= C2D_OVERRIDE_TARGET_ROTATE_270;
835            } else {
836                config_mask |= C2D_OVERRIDE_TARGET_ROTATE_0;
837                if(value & COPYBIT_TRANSFORM_FLIP_H) {
838                    config_mask |= C2D_MIRROR_H_BIT;
839                } else if(value & COPYBIT_TRANSFORM_FLIP_V) {
840                    config_mask |= C2D_MIRROR_V_BIT;
841                }
842            }
843
844            if (ctx->c2d_driver_info.capabilities_mask &
845                C2D_DRIVER_SUPPORTS_OVERRIDE_TARGET_ROTATE_OP) {
846                ctx->config_mask |= config_mask;
847            } else {
848                // The transform for this surface does not match the current
849                // target transform. Draw all previous surfaces. This will be
850                // changed once we have a new mechanism to send different
851                // target rotations to c2d.
852                finish_copybit(dev);
853            }
854            ctx->trg_transform = transform;
855        }
856        break;
857        case COPYBIT_FRAMEBUFFER_WIDTH:
858            ctx->fb_width = value;
859            break;
860        case COPYBIT_FRAMEBUFFER_HEIGHT:
861            ctx->fb_height = value;
862            break;
863        case COPYBIT_ROTATION_DEG:
864        case COPYBIT_DITHER:
865        case COPYBIT_BLUR:
866        case COPYBIT_BLIT_TO_FRAMEBUFFER:
867            // Do nothing
868            break;
869        default:
870            ALOGE("%s: default case param=0x%x", __FUNCTION__, name);
871            status = -EINVAL;
872            break;
873    }
874    pthread_mutex_unlock(&ctx->wait_cleanup_lock);
875    return status;
876}
877
878/** Get a static info value */
879static int get(struct copybit_device_t *dev, int name)
880{
881    struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
882    int value;
883
884    if (!ctx) {
885        ALOGE("%s: null context error", __FUNCTION__);
886        return -EINVAL;
887    }
888
889    switch(name) {
890        case COPYBIT_MINIFICATION_LIMIT:
891            value = MAX_SCALE_FACTOR;
892            break;
893        case COPYBIT_MAGNIFICATION_LIMIT:
894            value = MAX_SCALE_FACTOR;
895            break;
896        case COPYBIT_SCALING_FRAC_BITS:
897            value = 32;
898            break;
899        case COPYBIT_ROTATION_STEP_DEG:
900            value = 1;
901            break;
902        default:
903            ALOGE("%s: default case param=0x%x", __FUNCTION__, name);
904            value = -EINVAL;
905    }
906    return value;
907}
908
909static int is_alpha(int cformat)
910{
911    int alpha = 0;
912    switch (cformat & 0xFF) {
913        case C2D_COLOR_FORMAT_8888_ARGB:
914        case C2D_COLOR_FORMAT_8888_RGBA:
915        case C2D_COLOR_FORMAT_5551_RGBA:
916        case C2D_COLOR_FORMAT_4444_ARGB:
917            alpha = 1;
918            break;
919        default:
920            alpha = 0;
921            break;
922    }
923
924    if(alpha && (cformat&C2D_FORMAT_DISABLE_ALPHA))
925        alpha = 0;
926
927    return alpha;
928}
929
930/* Function to check if we need a temporary buffer for the blit.
931 * This would happen if the requested destination stride and the
932 * C2D stride do not match. We ignore RGB buffers, since their
933 * stride is always aligned to 32.
934 */
935static bool need_temp_buffer(struct copybit_image_t const *img)
936{
937    if (COPYBIT_SUCCESS == is_supported_rgb_format(img->format))
938        return false;
939
940    struct private_handle_t* handle = (struct private_handle_t*)img->handle;
941
942    // The width parameter in the handle contains the aligned_w. We check if we
943    // need to convert based on this param. YUV formats have bpp=1, so checking
944    // if the requested stride is aligned should suffice.
945    if (0 == (handle->width)%32) {
946        return false;
947    }
948
949    return true;
950}
951
952/* Function to extract the information from the copybit image and set the corresponding
953 * values in the bufferInfo struct.
954 */
955static void populate_buffer_info(struct copybit_image_t const *img, bufferInfo& info)
956{
957    info.width = img->w;
958    info.height = img->h;
959    info.format = img->format;
960}
961
962/* Function to get the required size for a particular format, inorder for C2D to perform
963 * the blit operation.
964 */
965static int get_size(const bufferInfo& info)
966{
967    int size = 0;
968    int w = info.width;
969    int h = info.height;
970    int aligned_w = ALIGN(w, 32);
971    switch(info.format) {
972        case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
973            {
974                // Chroma for this format is aligned to 2K.
975                size = ALIGN((aligned_w*h), 2048) +
976                        ALIGN(aligned_w/2, 32) * (h/2) *2;
977                size = ALIGN(size, 4096);
978            } break;
979        case HAL_PIXEL_FORMAT_YCbCr_420_SP:
980        case HAL_PIXEL_FORMAT_YCrCb_420_SP:
981            {
982                size = aligned_w * h +
983                       ALIGN(aligned_w/2, 32) * (h/2) * 2;
984                size = ALIGN(size, 4096);
985            } break;
986        default: break;
987    }
988    return size;
989}
990
991/* Function to allocate memory for the temporary buffer. This memory is
992 * allocated from Ashmem. It is the caller's responsibility to free this
993 * memory.
994 */
995static int get_temp_buffer(const bufferInfo& info, alloc_data& data)
996{
997    ALOGD("%s E", __FUNCTION__);
998    // Alloc memory from system heap
999    data.base = 0;
1000    data.fd = -1;
1001    data.offset = 0;
1002    data.size = get_size(info);
1003    data.align = getpagesize();
1004    data.uncached = true;
1005    int allocFlags = GRALLOC_USAGE_PRIVATE_SYSTEM_HEAP;
1006
1007    if (sAlloc == 0) {
1008        sAlloc = gralloc::IAllocController::getInstance();
1009    }
1010
1011    if (sAlloc == 0) {
1012        ALOGE("%s: sAlloc is still NULL", __FUNCTION__);
1013        return COPYBIT_FAILURE;
1014    }
1015
1016    int err = sAlloc->allocate(data, allocFlags);
1017    if (0 != err) {
1018        ALOGE("%s: allocate failed", __FUNCTION__);
1019        return COPYBIT_FAILURE;
1020    }
1021
1022    ALOGD("%s X", __FUNCTION__);
1023    return err;
1024}
1025
1026/* Function to free the temporary allocated memory.*/
1027static void free_temp_buffer(alloc_data &data)
1028{
1029    if (-1 != data.fd) {
1030        IMemAlloc* memalloc = sAlloc->getAllocator(data.allocType);
1031        memalloc->free_buffer(data.base, data.size, 0, data.fd);
1032    }
1033}
1034
1035/* Function to perform the software color conversion. Convert the
1036 * C2D compatible format to the Android compatible format
1037 */
1038static int copy_image(private_handle_t *src_handle,
1039                      struct copybit_image_t const *rhs,
1040                      eConversionType conversionType)
1041{
1042    if (src_handle->fd == -1) {
1043        ALOGE("%s: src_handle fd is invalid", __FUNCTION__);
1044        return COPYBIT_FAILURE;
1045    }
1046
1047    // Copy the info.
1048    int ret = COPYBIT_SUCCESS;
1049    switch(rhs->format) {
1050        case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
1051        case HAL_PIXEL_FORMAT_YCbCr_420_SP:
1052        case HAL_PIXEL_FORMAT_YCrCb_420_SP:
1053            {
1054                if (CONVERT_TO_ANDROID_FORMAT == conversionType) {
1055                    return convert_yuv_c2d_to_yuv_android(src_handle, rhs);
1056                } else {
1057                    return convert_yuv_android_to_yuv_c2d(src_handle, rhs);
1058                }
1059
1060            } break;
1061        default: {
1062            ALOGE("%s: invalid format 0x%x", __FUNCTION__, rhs->format);
1063            ret = COPYBIT_FAILURE;
1064        } break;
1065    }
1066    return ret;
1067}
1068
1069static void delete_handle(private_handle_t *handle)
1070{
1071    if (handle) {
1072        delete handle;
1073        handle = 0;
1074    }
1075}
1076
1077static bool need_to_execute_draw(eC2DFlags flags)
1078{
1079    if (flags & FLAGS_TEMP_SRC_DST) {
1080        return true;
1081    }
1082    if (flags & FLAGS_YUV_DESTINATION) {
1083        return true;
1084    }
1085    return false;
1086}
1087
1088/** do a stretch blit type operation */
1089static int stretch_copybit_internal(
1090    struct copybit_device_t *dev,
1091    struct copybit_image_t const *dst,
1092    struct copybit_image_t const *src,
1093    struct copybit_rect_t const *dst_rect,
1094    struct copybit_rect_t const *src_rect,
1095    struct copybit_region_t const *region,
1096    bool enableBlend)
1097{
1098    struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
1099    int status = COPYBIT_SUCCESS;
1100    int flags = 0;
1101    int src_surface_type;
1102    int mapped_src_idx = -1, mapped_dst_idx = -1;
1103    C2D_OBJECT_STR src_surface;
1104
1105    if (!ctx) {
1106        ALOGE("%s: null context error", __FUNCTION__);
1107        return -EINVAL;
1108    }
1109
1110    if (src->w > MAX_DIMENSION || src->h > MAX_DIMENSION) {
1111        ALOGE("%s: src dimension error", __FUNCTION__);
1112        return -EINVAL;
1113    }
1114
1115    if (dst->w > MAX_DIMENSION || dst->h > MAX_DIMENSION) {
1116        ALOGE("%s : dst dimension error dst w %d h %d",  __FUNCTION__, dst->w,
1117                                                         dst->h);
1118        return -EINVAL;
1119    }
1120
1121    if (is_valid_destination_format(dst->format) == COPYBIT_FAILURE) {
1122        ALOGE("%s: Invalid destination format format = 0x%x", __FUNCTION__,
1123                                                              dst->format);
1124        return COPYBIT_FAILURE;
1125    }
1126
1127    int dst_surface_type;
1128    if (is_supported_rgb_format(dst->format) == COPYBIT_SUCCESS) {
1129        dst_surface_type = RGB_SURFACE;
1130        flags |= FLAGS_PREMULTIPLIED_ALPHA;
1131    } else if (is_supported_yuv_format(dst->format) == COPYBIT_SUCCESS) {
1132        int num_planes = get_num_planes(dst->format);
1133        flags |= FLAGS_YUV_DESTINATION;
1134        if (num_planes == 2) {
1135            dst_surface_type = YUV_SURFACE_2_PLANES;
1136        } else if (num_planes == 3) {
1137            dst_surface_type = YUV_SURFACE_3_PLANES;
1138        } else {
1139            ALOGE("%s: dst number of YUV planes is invalid dst format = 0x%x",
1140                  __FUNCTION__, dst->format);
1141            return COPYBIT_FAILURE;
1142        }
1143    } else {
1144        ALOGE("%s: Invalid dst surface format 0x%x", __FUNCTION__,
1145                                                     dst->format);
1146        return COPYBIT_FAILURE;
1147    }
1148
1149    if (ctx->blit_rgb_count == MAX_RGB_SURFACES ||
1150        ctx->blit_yuv_2_plane_count == MAX_YUV_2_PLANE_SURFACES ||
1151        ctx->blit_yuv_3_plane_count == MAX_YUV_2_PLANE_SURFACES ||
1152        ctx->blit_count == MAX_BLIT_OBJECT_COUNT ||
1153        ctx->dst_surface_type != dst_surface_type) {
1154        // we have reached the max. limits of our internal structures or
1155        // changed the target.
1156        // Draw the remaining surfaces. We need to do the finish here since
1157        // we need to free up the surface templates.
1158        finish_copybit(dev);
1159    }
1160
1161    ctx->dst_surface_type = dst_surface_type;
1162
1163    // Update the destination
1164    copybit_image_t dst_image;
1165    dst_image.w = dst->w;
1166    dst_image.h = dst->h;
1167    dst_image.format = dst->format;
1168    dst_image.handle = dst->handle;
1169    // Check if we need a temp. copy for the destination. We'd need this the destination
1170    // width is not aligned to 32. This case occurs for YUV formats. RGB formats are
1171    // aligned to 32.
1172    bool need_temp_dst = need_temp_buffer(dst);
1173    bufferInfo dst_info;
1174    populate_buffer_info(dst, dst_info);
1175    private_handle_t* dst_hnd = new private_handle_t(-1, 0, 0, 0, dst_info.format,
1176                                                     dst_info.width, dst_info.height);
1177    if (dst_hnd == NULL) {
1178        ALOGE("%s: dst_hnd is null", __FUNCTION__);
1179        return COPYBIT_FAILURE;
1180    }
1181    if (need_temp_dst) {
1182        if (get_size(dst_info) != ctx->temp_dst_buffer.size) {
1183            free_temp_buffer(ctx->temp_dst_buffer);
1184            // Create a temp buffer and set that as the destination.
1185            if (COPYBIT_FAILURE == get_temp_buffer(dst_info, ctx->temp_dst_buffer)) {
1186                ALOGE("%s: get_temp_buffer(dst) failed", __FUNCTION__);
1187                delete_handle(dst_hnd);
1188                return COPYBIT_FAILURE;
1189            }
1190        }
1191        dst_hnd->fd = ctx->temp_dst_buffer.fd;
1192        dst_hnd->size = ctx->temp_dst_buffer.size;
1193        dst_hnd->flags = ctx->temp_dst_buffer.allocType;
1194        dst_hnd->base = (uintptr_t)(ctx->temp_dst_buffer.base);
1195        dst_hnd->offset = ctx->temp_dst_buffer.offset;
1196        dst_hnd->gpuaddr = 0;
1197        dst_image.handle = dst_hnd;
1198    }
1199    if(!ctx->dst_surface_mapped) {
1200        //map the destination surface to GPU address
1201        status = set_image(ctx, ctx->dst[ctx->dst_surface_type], &dst_image,
1202                           (eC2DFlags)flags, mapped_dst_idx);
1203        if(status) {
1204            ALOGE("%s: dst: set_image error", __FUNCTION__);
1205            delete_handle(dst_hnd);
1206            unmap_gpuaddr(ctx, mapped_dst_idx);
1207            return COPYBIT_FAILURE;
1208        }
1209        ctx->dst_surface_mapped = true;
1210        ctx->dst_surface_base = dst->base;
1211    } else if(ctx->dst_surface_mapped && ctx->dst_surface_base != dst->base) {
1212        // Destination surface for the operation should be same for multiple
1213        // requests, this check is catch if there is any case when the
1214        // destination changes
1215        ALOGE("%s: a different destination surface!!", __FUNCTION__);
1216    }
1217
1218    // Update the source
1219    flags = 0;
1220    if(is_supported_rgb_format(src->format) == COPYBIT_SUCCESS) {
1221        src_surface_type = RGB_SURFACE;
1222        src_surface = ctx->blit_rgb_object[ctx->blit_rgb_count];
1223    } else if (is_supported_yuv_format(src->format) == COPYBIT_SUCCESS) {
1224        int num_planes = get_num_planes(src->format);
1225        if (num_planes == 2) {
1226            src_surface_type = YUV_SURFACE_2_PLANES;
1227            src_surface = ctx->blit_yuv_2_plane_object[ctx->blit_yuv_2_plane_count];
1228        } else if (num_planes == 3) {
1229            src_surface_type = YUV_SURFACE_3_PLANES;
1230            src_surface = ctx->blit_yuv_3_plane_object[ctx->blit_yuv_2_plane_count];
1231        } else {
1232            ALOGE("%s: src number of YUV planes is invalid src format = 0x%x",
1233                  __FUNCTION__, src->format);
1234            delete_handle(dst_hnd);
1235            unmap_gpuaddr(ctx, mapped_dst_idx);
1236            return -EINVAL;
1237        }
1238    } else {
1239        ALOGE("%s: Invalid source surface format 0x%x", __FUNCTION__,
1240                                                        src->format);
1241        delete_handle(dst_hnd);
1242        unmap_gpuaddr(ctx, mapped_dst_idx);
1243        return -EINVAL;
1244    }
1245
1246    copybit_image_t src_image;
1247    src_image.w = src->w;
1248    src_image.h = src->h;
1249    src_image.format = src->format;
1250    src_image.handle = src->handle;
1251
1252    bool need_temp_src = need_temp_buffer(src);
1253    bufferInfo src_info;
1254    populate_buffer_info(src, src_info);
1255    private_handle_t* src_hnd = new private_handle_t(-1, 0, 0, 0, src_info.format,
1256                                                 src_info.width, src_info.height);
1257    if (NULL == src_hnd) {
1258        ALOGE("%s: src_hnd is null", __FUNCTION__);
1259        delete_handle(dst_hnd);
1260        unmap_gpuaddr(ctx, mapped_dst_idx);
1261        return COPYBIT_FAILURE;
1262    }
1263    if (need_temp_src) {
1264        if (get_size(src_info) != ctx->temp_src_buffer.size) {
1265            free_temp_buffer(ctx->temp_src_buffer);
1266            // Create a temp buffer and set that as the destination.
1267            if (COPYBIT_SUCCESS != get_temp_buffer(src_info,
1268                                               ctx->temp_src_buffer)) {
1269                ALOGE("%s: get_temp_buffer(src) failed", __FUNCTION__);
1270                delete_handle(dst_hnd);
1271                delete_handle(src_hnd);
1272                unmap_gpuaddr(ctx, mapped_dst_idx);
1273                return COPYBIT_FAILURE;
1274            }
1275        }
1276        src_hnd->fd = ctx->temp_src_buffer.fd;
1277        src_hnd->size = ctx->temp_src_buffer.size;
1278        src_hnd->flags = ctx->temp_src_buffer.allocType;
1279        src_hnd->base = (uintptr_t)(ctx->temp_src_buffer.base);
1280        src_hnd->offset = ctx->temp_src_buffer.offset;
1281        src_hnd->gpuaddr = 0;
1282        src_image.handle = src_hnd;
1283
1284        // Copy the source.
1285        status = copy_image((private_handle_t *)src->handle, &src_image,
1286                                CONVERT_TO_C2D_FORMAT);
1287        if (status == COPYBIT_FAILURE) {
1288            ALOGE("%s:copy_image failed in temp source",__FUNCTION__);
1289            delete_handle(dst_hnd);
1290            delete_handle(src_hnd);
1291            unmap_gpuaddr(ctx, mapped_dst_idx);
1292            return status;
1293        }
1294
1295        // Clean the cache
1296        IMemAlloc* memalloc = sAlloc->getAllocator(src_hnd->flags);
1297        if (memalloc->clean_buffer((void *)(src_hnd->base), src_hnd->size,
1298                                   src_hnd->offset, src_hnd->fd,
1299                                   gralloc::CACHE_CLEAN)) {
1300            ALOGE("%s: clean_buffer failed", __FUNCTION__);
1301            delete_handle(dst_hnd);
1302            delete_handle(src_hnd);
1303            unmap_gpuaddr(ctx, mapped_dst_idx);
1304            return COPYBIT_FAILURE;
1305        }
1306    }
1307
1308    flags |= (ctx->is_premultiplied_alpha) ? FLAGS_PREMULTIPLIED_ALPHA : 0;
1309    flags |= (ctx->dst_surface_type != RGB_SURFACE) ? FLAGS_YUV_DESTINATION : 0;
1310    status = set_image(ctx, src_surface.surface_id, &src_image,
1311                       (eC2DFlags)flags, mapped_src_idx);
1312    if(status) {
1313        ALOGE("%s: set_image (src) error", __FUNCTION__);
1314        delete_handle(dst_hnd);
1315        delete_handle(src_hnd);
1316        unmap_gpuaddr(ctx, mapped_dst_idx);
1317        unmap_gpuaddr(ctx, mapped_src_idx);
1318        return COPYBIT_FAILURE;
1319    }
1320
1321    src_surface.config_mask = C2D_NO_ANTIALIASING_BIT | ctx->config_mask;
1322    src_surface.global_alpha = ctx->src_global_alpha;
1323    if (enableBlend) {
1324        if(src_surface.config_mask & C2D_GLOBAL_ALPHA_BIT) {
1325            src_surface.config_mask &= ~C2D_ALPHA_BLEND_NONE;
1326            if(!(src_surface.global_alpha)) {
1327                // src alpha is zero
1328                delete_handle(dst_hnd);
1329                delete_handle(src_hnd);
1330                unmap_gpuaddr(ctx, mapped_dst_idx);
1331                unmap_gpuaddr(ctx, mapped_src_idx);
1332                return COPYBIT_FAILURE;
1333            }
1334        }
1335    } else {
1336        src_surface.config_mask |= C2D_ALPHA_BLEND_NONE;
1337    }
1338
1339    if (src_surface_type == RGB_SURFACE) {
1340        ctx->blit_rgb_object[ctx->blit_rgb_count] = src_surface;
1341        ctx->blit_rgb_count++;
1342    } else if (src_surface_type == YUV_SURFACE_2_PLANES) {
1343        ctx->blit_yuv_2_plane_object[ctx->blit_yuv_2_plane_count] = src_surface;
1344        ctx->blit_yuv_2_plane_count++;
1345    } else {
1346        ctx->blit_yuv_3_plane_object[ctx->blit_yuv_3_plane_count] = src_surface;
1347        ctx->blit_yuv_3_plane_count++;
1348    }
1349
1350    struct copybit_rect_t clip;
1351    while ((status == 0) && region->next(region, &clip)) {
1352        set_rects(ctx, &(src_surface), dst_rect, src_rect, &clip);
1353        if (ctx->blit_count == MAX_BLIT_OBJECT_COUNT) {
1354            ALOGW("Reached end of blit count");
1355            finish_copybit(dev);
1356        }
1357        ctx->blit_list[ctx->blit_count] = src_surface;
1358        ctx->blit_count++;
1359    }
1360
1361    // Check if we need to perform an early draw-finish.
1362    flags |= (need_temp_dst || need_temp_src) ? FLAGS_TEMP_SRC_DST : 0;
1363    if (need_to_execute_draw((eC2DFlags)flags))
1364    {
1365        finish_copybit(dev);
1366    }
1367
1368    if (need_temp_dst) {
1369        // copy the temp. destination without the alignment to the actual
1370        // destination.
1371        status = copy_image(dst_hnd, dst, CONVERT_TO_ANDROID_FORMAT);
1372        if (status == COPYBIT_FAILURE) {
1373            ALOGE("%s:copy_image failed in temp Dest",__FUNCTION__);
1374            delete_handle(dst_hnd);
1375            delete_handle(src_hnd);
1376            unmap_gpuaddr(ctx, mapped_dst_idx);
1377            unmap_gpuaddr(ctx, mapped_src_idx);
1378            return status;
1379        }
1380        // Clean the cache.
1381        IMemAlloc* memalloc = sAlloc->getAllocator(dst_hnd->flags);
1382        memalloc->clean_buffer((void *)(dst_hnd->base), dst_hnd->size,
1383                               dst_hnd->offset, dst_hnd->fd,
1384                               gralloc::CACHE_CLEAN);
1385    }
1386    delete_handle(dst_hnd);
1387    delete_handle(src_hnd);
1388
1389    ctx->is_premultiplied_alpha = false;
1390    ctx->fb_width = 0;
1391    ctx->fb_height = 0;
1392    ctx->config_mask = 0;
1393    return status;
1394}
1395
1396static int set_sync_copybit(struct copybit_device_t *dev,
1397    int /*acquireFenceFd*/)
1398{
1399    if(!dev)
1400        return -EINVAL;
1401
1402    return 0;
1403}
1404
1405static int stretch_copybit(
1406    struct copybit_device_t *dev,
1407    struct copybit_image_t const *dst,
1408    struct copybit_image_t const *src,
1409    struct copybit_rect_t const *dst_rect,
1410    struct copybit_rect_t const *src_rect,
1411    struct copybit_region_t const *region)
1412{
1413    struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
1414    int status = COPYBIT_SUCCESS;
1415    bool needsBlending = (ctx->src_global_alpha != 0);
1416    pthread_mutex_lock(&ctx->wait_cleanup_lock);
1417    status = stretch_copybit_internal(dev, dst, src, dst_rect, src_rect,
1418                                    region, needsBlending);
1419    pthread_mutex_unlock(&ctx->wait_cleanup_lock);
1420    return status;
1421}
1422
1423/** Perform a blit type operation */
1424static int blit_copybit(
1425    struct copybit_device_t *dev,
1426    struct copybit_image_t const *dst,
1427    struct copybit_image_t const *src,
1428    struct copybit_region_t const *region)
1429{
1430    int status = COPYBIT_SUCCESS;
1431    struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
1432    struct copybit_rect_t dr = { 0, 0, (int)dst->w, (int)dst->h };
1433    struct copybit_rect_t sr = { 0, 0, (int)src->w, (int)src->h };
1434    pthread_mutex_lock(&ctx->wait_cleanup_lock);
1435    status = stretch_copybit_internal(dev, dst, src, &dr, &sr, region, false);
1436    pthread_mutex_unlock(&ctx->wait_cleanup_lock);
1437    return status;
1438}
1439
1440/** Fill the rect on dst with RGBA color **/
1441static int fill_color(struct copybit_device_t *dev,
1442                      struct copybit_image_t const *dst,
1443                      struct copybit_rect_t const *rect,
1444                      uint32_t /*color*/)
1445{
1446    // TODO: Implement once c2d driver supports color fill
1447    if(!dev || !dst || !rect)
1448       return -EINVAL;
1449
1450    return -EINVAL;
1451}
1452
1453/*****************************************************************************/
1454
1455static void clean_up(copybit_context_t* ctx)
1456{
1457    void* ret;
1458    if (!ctx)
1459        return;
1460
1461    // stop the wait_cleanup_thread
1462    pthread_mutex_lock(&ctx->wait_cleanup_lock);
1463    ctx->stop_thread = true;
1464    // Signal waiting thread
1465    pthread_cond_signal(&ctx->wait_cleanup_cond);
1466    pthread_mutex_unlock(&ctx->wait_cleanup_lock);
1467    // waits for the cleanup thread to exit
1468    pthread_join(ctx->wait_thread_id, &ret);
1469    pthread_mutex_destroy(&ctx->wait_cleanup_lock);
1470    pthread_cond_destroy (&ctx->wait_cleanup_cond);
1471
1472    for (int i = 0; i < NUM_SURFACE_TYPES; i++) {
1473        if (ctx->dst[i])
1474            LINK_c2dDestroySurface(ctx->dst[i]);
1475    }
1476
1477    for (int i = 0; i < MAX_RGB_SURFACES; i++) {
1478        if (ctx->blit_rgb_object[i].surface_id)
1479            LINK_c2dDestroySurface(ctx->blit_rgb_object[i].surface_id);
1480    }
1481
1482    for (int i = 0; i < MAX_YUV_2_PLANE_SURFACES; i++) {
1483        if (ctx->blit_yuv_2_plane_object[i].surface_id)
1484            LINK_c2dDestroySurface(ctx->blit_yuv_2_plane_object[i].surface_id);
1485    }
1486
1487    for (int i = 0; i < MAX_YUV_3_PLANE_SURFACES; i++) {
1488        if (ctx->blit_yuv_3_plane_object[i].surface_id)
1489            LINK_c2dDestroySurface(ctx->blit_yuv_3_plane_object[i].surface_id);
1490    }
1491
1492    if (ctx->libc2d2) {
1493        ::dlclose(ctx->libc2d2);
1494        ALOGV("dlclose(libc2d2)");
1495    }
1496
1497    free(ctx);
1498}
1499
1500/** Close the copybit device */
1501static int close_copybit(struct hw_device_t *dev)
1502{
1503    struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
1504    if (ctx) {
1505        free_temp_buffer(ctx->temp_src_buffer);
1506        free_temp_buffer(ctx->temp_dst_buffer);
1507    }
1508    clean_up(ctx);
1509    return 0;
1510}
1511
1512/** Open a new instance of a copybit device using name */
1513static int open_copybit(const struct hw_module_t* module, const char* name,
1514                        struct hw_device_t** device)
1515{
1516    int status = COPYBIT_SUCCESS;
1517    if (strcmp(name, COPYBIT_HARDWARE_COPYBIT0)) {
1518        return COPYBIT_FAILURE;
1519    }
1520
1521    C2D_RGB_SURFACE_DEF surfDefinition = {0};
1522    C2D_YUV_SURFACE_DEF yuvSurfaceDef = {0} ;
1523    struct copybit_context_t *ctx;
1524
1525    ctx = (struct copybit_context_t *)malloc(sizeof(struct copybit_context_t));
1526    if(!ctx) {
1527        ALOGE("%s: malloc failed", __FUNCTION__);
1528        return COPYBIT_FAILURE;
1529    }
1530
1531    /* initialize drawstate */
1532    memset(ctx, 0, sizeof(*ctx));
1533    ctx->libc2d2 = ::dlopen("libC2D2.so", RTLD_NOW);
1534    if (!ctx->libc2d2) {
1535        ALOGE("FATAL ERROR: could not dlopen libc2d2.so: %s", dlerror());
1536        clean_up(ctx);
1537        status = COPYBIT_FAILURE;
1538        *device = NULL;
1539        return status;
1540    }
1541    *(void **)&LINK_c2dCreateSurface = ::dlsym(ctx->libc2d2,
1542                                               "c2dCreateSurface");
1543    *(void **)&LINK_c2dUpdateSurface = ::dlsym(ctx->libc2d2,
1544                                               "c2dUpdateSurface");
1545    *(void **)&LINK_c2dReadSurface = ::dlsym(ctx->libc2d2,
1546                                             "c2dReadSurface");
1547    *(void **)&LINK_c2dDraw = ::dlsym(ctx->libc2d2, "c2dDraw");
1548    *(void **)&LINK_c2dFlush = ::dlsym(ctx->libc2d2, "c2dFlush");
1549    *(void **)&LINK_c2dFinish = ::dlsym(ctx->libc2d2, "c2dFinish");
1550    *(void **)&LINK_c2dWaitTimestamp = ::dlsym(ctx->libc2d2,
1551                                               "c2dWaitTimestamp");
1552    *(void **)&LINK_c2dDestroySurface = ::dlsym(ctx->libc2d2,
1553                                                "c2dDestroySurface");
1554    *(void **)&LINK_c2dMapAddr = ::dlsym(ctx->libc2d2,
1555                                         "c2dMapAddr");
1556    *(void **)&LINK_c2dUnMapAddr = ::dlsym(ctx->libc2d2,
1557                                           "c2dUnMapAddr");
1558    *(void **)&LINK_c2dGetDriverCapabilities = ::dlsym(ctx->libc2d2,
1559                                           "c2dGetDriverCapabilities");
1560    *(void **)&LINK_c2dCreateFenceFD = ::dlsym(ctx->libc2d2,
1561                                           "c2dCreateFenceFD");
1562    *(void **)&LINK_c2dFillSurface = ::dlsym(ctx->libc2d2,
1563                                           "c2dFillSurface");
1564
1565    if (!LINK_c2dCreateSurface || !LINK_c2dUpdateSurface || !LINK_c2dReadSurface
1566        || !LINK_c2dDraw || !LINK_c2dFlush || !LINK_c2dWaitTimestamp ||
1567        !LINK_c2dFinish  || !LINK_c2dDestroySurface ||
1568        !LINK_c2dGetDriverCapabilities || !LINK_c2dCreateFenceFD ||
1569        !LINK_c2dFillSurface) {
1570        ALOGE("%s: dlsym ERROR", __FUNCTION__);
1571        clean_up(ctx);
1572        status = COPYBIT_FAILURE;
1573        *device = NULL;
1574        return status;
1575    }
1576
1577    ctx->device.common.tag = HARDWARE_DEVICE_TAG;
1578    ctx->device.common.version = 1;
1579    ctx->device.common.module = (hw_module_t*)(module);
1580    ctx->device.common.close = close_copybit;
1581    ctx->device.set_parameter = set_parameter_copybit;
1582    ctx->device.get = get;
1583    ctx->device.blit = blit_copybit;
1584    ctx->device.set_sync = set_sync_copybit;
1585    ctx->device.stretch = stretch_copybit;
1586    ctx->device.finish = finish_copybit;
1587    ctx->device.flush_get_fence = flush_get_fence_copybit;
1588    ctx->device.clear = clear_copybit;
1589    ctx->device.fill_color = fill_color;
1590
1591    /* Create RGB Surface */
1592    surfDefinition.buffer = (void*)0xdddddddd;
1593    surfDefinition.phys = (void*)0xdddddddd;
1594    surfDefinition.stride = 1 * 4;
1595    surfDefinition.width = 1;
1596    surfDefinition.height = 1;
1597    surfDefinition.format = C2D_COLOR_FORMAT_8888_ARGB;
1598    if (LINK_c2dCreateSurface(&(ctx->dst[RGB_SURFACE]), C2D_TARGET | C2D_SOURCE,
1599                              (C2D_SURFACE_TYPE)(C2D_SURFACE_RGB_HOST |
1600                                                 C2D_SURFACE_WITH_PHYS |
1601                                                 C2D_SURFACE_WITH_PHYS_DUMMY ),
1602                                                 &surfDefinition)) {
1603        ALOGE("%s: create ctx->dst_surface[RGB_SURFACE] failed", __FUNCTION__);
1604        ctx->dst[RGB_SURFACE] = 0;
1605        clean_up(ctx);
1606        status = COPYBIT_FAILURE;
1607        *device = NULL;
1608        return status;
1609    }
1610
1611    unsigned int surface_id = 0;
1612    for (int i = 0; i < MAX_RGB_SURFACES; i++)
1613    {
1614        if (LINK_c2dCreateSurface(&surface_id, C2D_TARGET | C2D_SOURCE,
1615                              (C2D_SURFACE_TYPE)(C2D_SURFACE_RGB_HOST |
1616                                                 C2D_SURFACE_WITH_PHYS |
1617                                                 C2D_SURFACE_WITH_PHYS_DUMMY ),
1618                                                 &surfDefinition)) {
1619            ALOGE("%s: create RGB source surface %d failed", __FUNCTION__, i);
1620            ctx->blit_rgb_object[i].surface_id = 0;
1621            status = COPYBIT_FAILURE;
1622            break;
1623        } else {
1624            ctx->blit_rgb_object[i].surface_id = surface_id;
1625            ALOGW("%s i = %d surface_id=%d",  __FUNCTION__, i,
1626                                          ctx->blit_rgb_object[i].surface_id);
1627        }
1628    }
1629
1630    if (status == COPYBIT_FAILURE) {
1631        clean_up(ctx);
1632        status = COPYBIT_FAILURE;
1633        *device = NULL;
1634        return status;
1635    }
1636
1637    // Create 2 plane YUV surfaces
1638    yuvSurfaceDef.format = C2D_COLOR_FORMAT_420_NV12;
1639    yuvSurfaceDef.width = 4;
1640    yuvSurfaceDef.height = 4;
1641    yuvSurfaceDef.plane0 = (void*)0xaaaaaaaa;
1642    yuvSurfaceDef.phys0 = (void*) 0xaaaaaaaa;
1643    yuvSurfaceDef.stride0 = 4;
1644
1645    yuvSurfaceDef.plane1 = (void*)0xaaaaaaaa;
1646    yuvSurfaceDef.phys1 = (void*) 0xaaaaaaaa;
1647    yuvSurfaceDef.stride1 = 4;
1648    if (LINK_c2dCreateSurface(&(ctx->dst[YUV_SURFACE_2_PLANES]),
1649                              C2D_TARGET | C2D_SOURCE,
1650                              (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST |
1651                               C2D_SURFACE_WITH_PHYS |
1652                               C2D_SURFACE_WITH_PHYS_DUMMY),
1653                              &yuvSurfaceDef)) {
1654        ALOGE("%s: create ctx->dst[YUV_SURFACE_2_PLANES] failed", __FUNCTION__);
1655        ctx->dst[YUV_SURFACE_2_PLANES] = 0;
1656        clean_up(ctx);
1657        status = COPYBIT_FAILURE;
1658        *device = NULL;
1659        return status;
1660    }
1661
1662    for (int i=0; i < MAX_YUV_2_PLANE_SURFACES; i++)
1663    {
1664        if (LINK_c2dCreateSurface(&surface_id, C2D_TARGET | C2D_SOURCE,
1665                              (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST |
1666                                                 C2D_SURFACE_WITH_PHYS |
1667                                                 C2D_SURFACE_WITH_PHYS_DUMMY ),
1668                              &yuvSurfaceDef)) {
1669            ALOGE("%s: create YUV source %d failed", __FUNCTION__, i);
1670            ctx->blit_yuv_2_plane_object[i].surface_id = 0;
1671            status = COPYBIT_FAILURE;
1672            break;
1673        } else {
1674            ctx->blit_yuv_2_plane_object[i].surface_id = surface_id;
1675            ALOGW("%s: 2 Plane YUV i=%d surface_id=%d",  __FUNCTION__, i,
1676                                   ctx->blit_yuv_2_plane_object[i].surface_id);
1677        }
1678    }
1679
1680    if (status == COPYBIT_FAILURE) {
1681        clean_up(ctx);
1682        status = COPYBIT_FAILURE;
1683        *device = NULL;
1684        return status;
1685    }
1686
1687    // Create YUV 3 plane surfaces
1688    yuvSurfaceDef.format = C2D_COLOR_FORMAT_420_YV12;
1689    yuvSurfaceDef.plane2 = (void*)0xaaaaaaaa;
1690    yuvSurfaceDef.phys2 = (void*) 0xaaaaaaaa;
1691    yuvSurfaceDef.stride2 = 4;
1692
1693    if (LINK_c2dCreateSurface(&(ctx->dst[YUV_SURFACE_3_PLANES]),
1694                              C2D_TARGET | C2D_SOURCE,
1695                              (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST |
1696                                                 C2D_SURFACE_WITH_PHYS |
1697                                                 C2D_SURFACE_WITH_PHYS_DUMMY),
1698                              &yuvSurfaceDef)) {
1699        ALOGE("%s: create ctx->dst[YUV_SURFACE_3_PLANES] failed", __FUNCTION__);
1700        ctx->dst[YUV_SURFACE_3_PLANES] = 0;
1701        clean_up(ctx);
1702        status = COPYBIT_FAILURE;
1703        *device = NULL;
1704        return status;
1705    }
1706
1707    for (int i=0; i < MAX_YUV_3_PLANE_SURFACES; i++)
1708    {
1709        if (LINK_c2dCreateSurface(&(surface_id),
1710                              C2D_TARGET | C2D_SOURCE,
1711                              (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST |
1712                                                 C2D_SURFACE_WITH_PHYS |
1713                                                 C2D_SURFACE_WITH_PHYS_DUMMY),
1714                              &yuvSurfaceDef)) {
1715            ALOGE("%s: create 3 plane YUV surface %d failed", __FUNCTION__, i);
1716            ctx->blit_yuv_3_plane_object[i].surface_id = 0;
1717            status = COPYBIT_FAILURE;
1718            break;
1719        } else {
1720            ctx->blit_yuv_3_plane_object[i].surface_id = surface_id;
1721            ALOGW("%s: 3 Plane YUV i=%d surface_id=%d",  __FUNCTION__, i,
1722                                   ctx->blit_yuv_3_plane_object[i].surface_id);
1723        }
1724    }
1725
1726    if (status == COPYBIT_FAILURE) {
1727        clean_up(ctx);
1728        status = COPYBIT_FAILURE;
1729        *device = NULL;
1730        return status;
1731    }
1732
1733    if (LINK_c2dGetDriverCapabilities(&(ctx->c2d_driver_info))) {
1734         ALOGE("%s: LINK_c2dGetDriverCapabilities failed", __FUNCTION__);
1735         clean_up(ctx);
1736         status = COPYBIT_FAILURE;
1737        *device = NULL;
1738        return status;
1739    }
1740    // Initialize context variables.
1741    ctx->trg_transform = C2D_TARGET_ROTATE_0;
1742
1743    ctx->temp_src_buffer.fd = -1;
1744    ctx->temp_src_buffer.base = 0;
1745    ctx->temp_src_buffer.size = 0;
1746
1747    ctx->temp_dst_buffer.fd = -1;
1748    ctx->temp_dst_buffer.base = 0;
1749    ctx->temp_dst_buffer.size = 0;
1750
1751    ctx->fb_width = 0;
1752    ctx->fb_height = 0;
1753
1754    ctx->blit_rgb_count = 0;
1755    ctx->blit_yuv_2_plane_count = 0;
1756    ctx->blit_yuv_3_plane_count = 0;
1757    ctx->blit_count = 0;
1758
1759    ctx->wait_timestamp = false;
1760    ctx->stop_thread = false;
1761    pthread_mutex_init(&(ctx->wait_cleanup_lock), NULL);
1762    pthread_cond_init(&(ctx->wait_cleanup_cond), NULL);
1763    /* Start the wait thread */
1764    pthread_attr_t attr;
1765    pthread_attr_init(&attr);
1766    pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
1767
1768    pthread_create(&ctx->wait_thread_id, &attr, &c2d_wait_loop,
1769                                                            (void *)ctx);
1770    pthread_attr_destroy(&attr);
1771
1772    *device = &ctx->device.common;
1773    return status;
1774}
1775