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_RGBX_8888:      return C2D_COLOR_FORMAT_8888_ARGB |
261                                              C2D_FORMAT_SWAP_RB |
262                                                  C2D_FORMAT_DISABLE_ALPHA;
263        case HAL_PIXEL_FORMAT_RGBA_8888:      return C2D_COLOR_FORMAT_8888_ARGB |
264                                              C2D_FORMAT_SWAP_RB;
265        case HAL_PIXEL_FORMAT_BGRA_8888:      return C2D_COLOR_FORMAT_8888_ARGB;
266        case HAL_PIXEL_FORMAT_YCbCr_420_SP:   return C2D_COLOR_FORMAT_420_NV12;
267        case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:return C2D_COLOR_FORMAT_420_NV12;
268        case HAL_PIXEL_FORMAT_YCrCb_420_SP:   return C2D_COLOR_FORMAT_420_NV21;
269        case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: return C2D_COLOR_FORMAT_420_NV12 |
270                                                  C2D_FORMAT_MACROTILED;
271        default:                              ALOGE("%s: invalid format (0x%x",
272                                                     __FUNCTION__, format);
273                                              return -EINVAL;
274    }
275    return -EINVAL;
276}
277
278/* Get the C2D formats needed for conversion to YUV */
279static int get_c2d_format_for_yuv_destination(int halFormat) {
280    switch (halFormat) {
281        // We do not swap the RB when the target is YUV
282        case HAL_PIXEL_FORMAT_RGBX_8888:      return C2D_COLOR_FORMAT_8888_ARGB |
283                                              C2D_FORMAT_DISABLE_ALPHA;
284        case HAL_PIXEL_FORMAT_RGBA_8888:      return C2D_COLOR_FORMAT_8888_ARGB;
285        // The U and V need to be interchanged when the target is YUV
286        case HAL_PIXEL_FORMAT_YCbCr_420_SP:   return C2D_COLOR_FORMAT_420_NV21;
287        case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:return C2D_COLOR_FORMAT_420_NV21;
288        case HAL_PIXEL_FORMAT_YCrCb_420_SP:   return C2D_COLOR_FORMAT_420_NV12;
289        default:                              return get_format(halFormat);
290    }
291    return -EINVAL;
292}
293
294/* ------------------------------------------------------------------- *//*!
295 * \internal
296 * \brief Get the bpp for a particular color format
297 * \param color format
298 * \return bits per pixel
299 *//* ------------------------------------------------------------------- */
300int c2diGetBpp(int32 colorformat)
301{
302
303    int c2dBpp = 0;
304
305    switch(colorformat&0xFF)
306    {
307        case C2D_COLOR_FORMAT_4444_RGBA:
308        case C2D_COLOR_FORMAT_4444_ARGB:
309        case C2D_COLOR_FORMAT_1555_ARGB:
310        case C2D_COLOR_FORMAT_565_RGB:
311        case C2D_COLOR_FORMAT_5551_RGBA:
312            c2dBpp = 16;
313            break;
314        case C2D_COLOR_FORMAT_8888_RGBA:
315        case C2D_COLOR_FORMAT_8888_ARGB:
316            c2dBpp = 32;
317            break;
318        case C2D_COLOR_FORMAT_8_L:
319        case C2D_COLOR_FORMAT_8_A:
320            c2dBpp = 8;
321            break;
322        case C2D_COLOR_FORMAT_4_A:
323            c2dBpp = 4;
324            break;
325        case C2D_COLOR_FORMAT_1:
326            c2dBpp = 1;
327            break;
328        default:
329            ALOGE("%s ERROR", __func__);
330            break;
331    }
332    return c2dBpp;
333}
334
335static size_t c2d_get_gpuaddr(copybit_context_t* ctx,
336                              struct private_handle_t *handle, int &mapped_idx)
337{
338    uint32 memtype;
339    size_t *gpuaddr = 0;
340    C2D_STATUS rc;
341    int freeindex = 0;
342    bool mapaddr = false;
343
344    if(!handle)
345        return 0;
346
347    if (handle->flags & (private_handle_t::PRIV_FLAGS_USES_PMEM |
348                         private_handle_t::PRIV_FLAGS_USES_PMEM_ADSP))
349        memtype = KGSL_USER_MEM_TYPE_PMEM;
350    else if (handle->flags & private_handle_t::PRIV_FLAGS_USES_ASHMEM)
351        memtype = KGSL_USER_MEM_TYPE_ASHMEM;
352    else if (handle->flags & private_handle_t::PRIV_FLAGS_USES_ION)
353        memtype = KGSL_USER_MEM_TYPE_ION;
354    else {
355        ALOGE("Invalid handle flags: 0x%x", handle->flags);
356        return 0;
357    }
358
359    // Check for a freeindex in the mapped_gpu_addr list
360    for (freeindex = 0; freeindex < MAX_SURFACES; freeindex++) {
361        if (ctx->mapped_gpu_addr[freeindex] == 0) {
362            // free index is available
363            // map GPU addr and use this as mapped_idx
364            mapaddr = true;
365            break;
366        }
367    }
368
369    if(mapaddr) {
370        rc = LINK_c2dMapAddr(handle->fd, (void*)handle->base, handle->size,
371                             handle->offset, memtype, (void**)&gpuaddr);
372
373        if (rc == C2D_STATUS_OK) {
374            // We have mapped the GPU address inside copybit. We need to unmap
375            // this address after the blit. Store this address
376            ctx->mapped_gpu_addr[freeindex] = (size_t)gpuaddr;
377            mapped_idx = freeindex;
378        }
379    }
380    return (size_t)gpuaddr;
381}
382
383static void unmap_gpuaddr(copybit_context_t* ctx, int mapped_idx)
384{
385    if (!ctx || (mapped_idx == -1))
386        return;
387
388    if (ctx->mapped_gpu_addr[mapped_idx]) {
389        LINK_c2dUnMapAddr( (void*)ctx->mapped_gpu_addr[mapped_idx]);
390        ctx->mapped_gpu_addr[mapped_idx] = 0;
391    }
392}
393
394static int is_supported_rgb_format(int format)
395{
396    switch(format) {
397        case HAL_PIXEL_FORMAT_RGBA_8888:
398        case HAL_PIXEL_FORMAT_RGBX_8888:
399        case HAL_PIXEL_FORMAT_RGB_565:
400        case HAL_PIXEL_FORMAT_BGRA_8888: {
401            return COPYBIT_SUCCESS;
402        }
403        default:
404            return COPYBIT_FAILURE;
405    }
406}
407
408static int get_num_planes(int format)
409{
410    switch(format) {
411        case HAL_PIXEL_FORMAT_YCbCr_420_SP:
412        case HAL_PIXEL_FORMAT_YCrCb_420_SP:
413        case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
414        case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: {
415            return 2;
416        }
417        case HAL_PIXEL_FORMAT_YV12: {
418            return 3;
419        }
420        default:
421            return COPYBIT_FAILURE;
422    }
423}
424
425static int is_supported_yuv_format(int format)
426{
427    switch(format) {
428        case HAL_PIXEL_FORMAT_YCbCr_420_SP:
429        case HAL_PIXEL_FORMAT_YCrCb_420_SP:
430        case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
431        case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: {
432            return COPYBIT_SUCCESS;
433        }
434        default:
435            return COPYBIT_FAILURE;
436    }
437}
438
439static int is_valid_destination_format(int format)
440{
441    if (format == HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED) {
442        // C2D does not support NV12Tile as a destination format.
443        return COPYBIT_FAILURE;
444    }
445    return COPYBIT_SUCCESS;
446}
447
448static int calculate_yuv_offset_and_stride(const bufferInfo& info,
449                                           yuvPlaneInfo& yuvInfo)
450{
451    int width  = info.width;
452    int height = info.height;
453    int format = info.format;
454
455    int aligned_height = 0;
456    int aligned_width = 0, size = 0;
457
458    switch (format) {
459        case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: {
460            /* NV12 Tile buffers have their luma height aligned to 32bytes and width
461             * aligned to 128 bytes. The chroma offset starts at an 8K boundary
462             */
463            aligned_height = ALIGN(height, 32);
464            aligned_width  = ALIGN(width, 128);
465            size = aligned_width * aligned_height;
466            yuvInfo.plane1_offset = ALIGN(size,8192);
467            yuvInfo.yStride = aligned_width;
468            yuvInfo.plane1_stride = aligned_width;
469            break;
470        }
471        case HAL_PIXEL_FORMAT_YCbCr_420_SP:
472        case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
473        case HAL_PIXEL_FORMAT_YCrCb_420_SP: {
474            aligned_width = ALIGN(width, 32);
475            yuvInfo.yStride = aligned_width;
476            yuvInfo.plane1_stride = aligned_width;
477            if (HAL_PIXEL_FORMAT_NV12_ENCODEABLE == format) {
478                // The encoder requires a 2K aligned chroma offset
479                yuvInfo.plane1_offset = ALIGN(aligned_width * height, 2048);
480            } else
481                yuvInfo.plane1_offset = aligned_width * height;
482
483            break;
484        }
485        default: {
486            return COPYBIT_FAILURE;
487        }
488    }
489    return COPYBIT_SUCCESS;
490}
491
492/** create C2D surface from copybit image */
493static int set_image(copybit_context_t* ctx, uint32 surfaceId,
494                      const struct copybit_image_t *rhs,
495                      const eC2DFlags flags, int &mapped_idx)
496{
497    struct private_handle_t* handle = (struct private_handle_t*)rhs->handle;
498    C2D_SURFACE_TYPE surfaceType;
499    int status = COPYBIT_SUCCESS;
500    uintptr_t gpuaddr = 0;
501    int c2d_format;
502    mapped_idx = -1;
503
504    if (flags & FLAGS_YUV_DESTINATION) {
505        c2d_format = get_c2d_format_for_yuv_destination(rhs->format);
506    } else {
507        c2d_format = get_format(rhs->format);
508    }
509
510    if(c2d_format == -EINVAL) {
511        ALOGE("%s: invalid format", __FUNCTION__);
512        return -EINVAL;
513    }
514
515    if(handle == NULL) {
516        ALOGE("%s: invalid handle", __func__);
517        return -EINVAL;
518    }
519
520    if (handle->gpuaddr == 0) {
521        gpuaddr = c2d_get_gpuaddr(ctx, handle, mapped_idx);
522        if(!gpuaddr) {
523            ALOGE("%s: c2d_get_gpuaddr failed", __FUNCTION__);
524            return COPYBIT_FAILURE;
525        }
526    } else {
527        gpuaddr = handle->gpuaddr;
528    }
529
530    /* create C2D surface */
531    if(is_supported_rgb_format(rhs->format) == COPYBIT_SUCCESS) {
532        /* RGB */
533        C2D_RGB_SURFACE_DEF surfaceDef;
534
535        surfaceType = (C2D_SURFACE_TYPE) (C2D_SURFACE_RGB_HOST | C2D_SURFACE_WITH_PHYS);
536
537        surfaceDef.phys = (void*) gpuaddr;
538        surfaceDef.buffer = (void*) (handle->base);
539
540        surfaceDef.format = c2d_format |
541            ((flags & FLAGS_PREMULTIPLIED_ALPHA) ? C2D_FORMAT_PREMULTIPLIED : 0);
542        surfaceDef.width = rhs->w;
543        surfaceDef.height = rhs->h;
544        int aligned_width = ALIGN((int)surfaceDef.width,32);
545        surfaceDef.stride = (aligned_width * c2diGetBpp(surfaceDef.format))>>3;
546
547        if(LINK_c2dUpdateSurface( surfaceId,C2D_TARGET | C2D_SOURCE, surfaceType,
548                                  &surfaceDef)) {
549            ALOGE("%s: RGB Surface c2dUpdateSurface ERROR", __FUNCTION__);
550            unmap_gpuaddr(ctx, mapped_idx);
551            status = COPYBIT_FAILURE;
552        }
553    } else if (is_supported_yuv_format(rhs->format) == COPYBIT_SUCCESS) {
554        C2D_YUV_SURFACE_DEF surfaceDef;
555        memset(&surfaceDef, 0, sizeof(surfaceDef));
556        surfaceType = (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST | C2D_SURFACE_WITH_PHYS);
557        surfaceDef.format = c2d_format;
558
559        bufferInfo info;
560        info.width = rhs->w;
561        info.height = rhs->h;
562        info.format = rhs->format;
563
564        yuvPlaneInfo yuvInfo = {0};
565        status = calculate_yuv_offset_and_stride(info, yuvInfo);
566        if(status != COPYBIT_SUCCESS) {
567            ALOGE("%s: calculate_yuv_offset_and_stride error", __FUNCTION__);
568            unmap_gpuaddr(ctx, mapped_idx);
569        }
570
571        surfaceDef.width = rhs->w;
572        surfaceDef.height = rhs->h;
573        surfaceDef.plane0 = (void*) (handle->base);
574        surfaceDef.phys0 = (void*) (gpuaddr);
575        surfaceDef.stride0 = yuvInfo.yStride;
576
577        surfaceDef.plane1 = (void*) (handle->base + yuvInfo.plane1_offset);
578        surfaceDef.phys1 = (void*) (gpuaddr + yuvInfo.plane1_offset);
579        surfaceDef.stride1 = yuvInfo.plane1_stride;
580        if (3 == get_num_planes(rhs->format)) {
581            surfaceDef.plane2 = (void*) (handle->base + yuvInfo.plane2_offset);
582            surfaceDef.phys2 = (void*) (gpuaddr + yuvInfo.plane2_offset);
583            surfaceDef.stride2 = yuvInfo.plane2_stride;
584        }
585
586        if(LINK_c2dUpdateSurface( surfaceId,C2D_TARGET | C2D_SOURCE, surfaceType,
587                                  &surfaceDef)) {
588            ALOGE("%s: YUV Surface c2dUpdateSurface ERROR", __FUNCTION__);
589            unmap_gpuaddr(ctx, mapped_idx);
590            status = COPYBIT_FAILURE;
591        }
592    } else {
593        ALOGE("%s: invalid format 0x%x", __FUNCTION__, rhs->format);
594        unmap_gpuaddr(ctx, mapped_idx);
595        status = COPYBIT_FAILURE;
596    }
597
598    return status;
599}
600
601/** copy the bits */
602static int msm_copybit(struct copybit_context_t *ctx, unsigned int target)
603{
604    if (ctx->blit_count == 0) {
605        return COPYBIT_SUCCESS;
606    }
607
608    for (int i = 0; i < ctx->blit_count; i++)
609    {
610        ctx->blit_list[i].next = &(ctx->blit_list[i+1]);
611    }
612    ctx->blit_list[ctx->blit_count-1].next = NULL;
613    uint32_t target_transform = ctx->trg_transform;
614    if (ctx->c2d_driver_info.capabilities_mask &
615        C2D_DRIVER_SUPPORTS_OVERRIDE_TARGET_ROTATE_OP) {
616        // For A3xx - set 0x0 as the transform is set in the config_mask
617        target_transform = 0x0;
618    }
619    if(LINK_c2dDraw(target, target_transform, 0x0, 0, 0, ctx->blit_list,
620                    ctx->blit_count)) {
621        ALOGE("%s: LINK_c2dDraw ERROR", __FUNCTION__);
622        return COPYBIT_FAILURE;
623    }
624    return COPYBIT_SUCCESS;
625}
626
627
628
629static int flush_get_fence_copybit (struct copybit_device_t *dev, int* fd)
630{
631    struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
632    int status = COPYBIT_FAILURE;
633    if (!ctx)
634        return COPYBIT_FAILURE;
635    pthread_mutex_lock(&ctx->wait_cleanup_lock);
636    status = msm_copybit(ctx, ctx->dst[ctx->dst_surface_type]);
637
638    if(LINK_c2dFlush(ctx->dst[ctx->dst_surface_type], &ctx->time_stamp)) {
639        ALOGE("%s: LINK_c2dFlush ERROR", __FUNCTION__);
640        // unlock the mutex and return failure
641        pthread_mutex_unlock(&ctx->wait_cleanup_lock);
642        return COPYBIT_FAILURE;
643    }
644    if(LINK_c2dCreateFenceFD(ctx->dst[ctx->dst_surface_type], ctx->time_stamp,
645                                                                        fd)) {
646        ALOGE("%s: LINK_c2dCreateFenceFD ERROR", __FUNCTION__);
647        status = COPYBIT_FAILURE;
648    }
649    if(status == COPYBIT_SUCCESS) {
650        //signal the wait_thread
651        ctx->wait_timestamp = true;
652        pthread_cond_signal(&ctx->wait_cleanup_cond);
653    }
654    pthread_mutex_unlock(&ctx->wait_cleanup_lock);
655    return status;
656}
657
658static int finish_copybit(struct copybit_device_t *dev)
659{
660    struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
661    if (!ctx)
662        return COPYBIT_FAILURE;
663
664   int status = msm_copybit(ctx, ctx->dst[ctx->dst_surface_type]);
665
666   if(LINK_c2dFinish(ctx->dst[ctx->dst_surface_type])) {
667        ALOGE("%s: LINK_c2dFinish ERROR", __FUNCTION__);
668        return COPYBIT_FAILURE;
669    }
670
671    // Unmap any mapped addresses.
672    for (int i = 0; i < MAX_SURFACES; i++) {
673        if (ctx->mapped_gpu_addr[i]) {
674            LINK_c2dUnMapAddr( (void*)ctx->mapped_gpu_addr[i]);
675            ctx->mapped_gpu_addr[i] = 0;
676        }
677    }
678
679    // Reset the counts after the draw.
680    ctx->blit_rgb_count = 0;
681    ctx->blit_yuv_2_plane_count = 0;
682    ctx->blit_yuv_3_plane_count = 0;
683    ctx->blit_count = 0;
684    ctx->dst_surface_mapped = false;
685    ctx->dst_surface_base = 0;
686
687    return status;
688}
689
690static int clear_copybit(struct copybit_device_t *dev,
691                         struct copybit_image_t const *buf,
692                         struct copybit_rect_t *rect)
693{
694    int ret = COPYBIT_SUCCESS;
695    int flags = FLAGS_PREMULTIPLIED_ALPHA;
696    int mapped_dst_idx = -1;
697    struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
698    C2D_RECT c2drect = {rect->l, rect->t, rect->r - rect->l, rect->b - rect->t};
699    pthread_mutex_lock(&ctx->wait_cleanup_lock);
700    if(!ctx->dst_surface_mapped) {
701        ret = set_image(ctx, ctx->dst[RGB_SURFACE], buf,
702                        (eC2DFlags)flags, mapped_dst_idx);
703        if(ret) {
704            ALOGE("%s: set_image error", __FUNCTION__);
705            unmap_gpuaddr(ctx, mapped_dst_idx);
706            pthread_mutex_unlock(&ctx->wait_cleanup_lock);
707            return COPYBIT_FAILURE;
708        }
709        //clear_copybit is the first call made by HWC for each composition
710        //with the dest surface, hence set dst_surface_mapped.
711        ctx->dst_surface_mapped = true;
712        ctx->dst_surface_base = buf->base;
713        ret = LINK_c2dFillSurface(ctx->dst[RGB_SURFACE], 0x0, &c2drect);
714    }
715    pthread_mutex_unlock(&ctx->wait_cleanup_lock);
716    return ret;
717}
718
719
720/** setup rectangles */
721static void set_rects(struct copybit_context_t *ctx,
722                      C2D_OBJECT *c2dObject,
723                      const struct copybit_rect_t *dst,
724                      const struct copybit_rect_t *src,
725                      const struct copybit_rect_t *scissor)
726{
727    // Set the target rect.
728    if((ctx->trg_transform & C2D_TARGET_ROTATE_90) &&
729       (ctx->trg_transform & C2D_TARGET_ROTATE_180)) {
730        /* target rotation is 270 */
731        c2dObject->target_rect.x        = (dst->t)<<16;
732        c2dObject->target_rect.y        = ctx->fb_width?
733                (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?
747                (ALIGN(ctx->fb_width,32) - dst->r):dst->r;
748        c2dObject->target_rect.x        = c2dObject->target_rect.x<<16;
749        c2dObject->target_rect.height   = ((dst->b) - (dst->t))<<16;
750        c2dObject->target_rect.width    = ((dst->r) - (dst->l))<<16;
751    } else {
752        c2dObject->target_rect.x        = (dst->l)<<16;
753        c2dObject->target_rect.y        = (dst->t)<<16;
754        c2dObject->target_rect.height   = ((dst->b) - (dst->t))<<16;
755        c2dObject->target_rect.width    = ((dst->r) - (dst->l))<<16;
756    }
757    c2dObject->config_mask |= C2D_TARGET_RECT_BIT;
758
759    // Set the source rect
760    c2dObject->source_rect.x        = (src->l)<<16;
761    c2dObject->source_rect.y        = (src->t)<<16;
762    c2dObject->source_rect.height   = ((src->b) - (src->t))<<16;
763    c2dObject->source_rect.width    = ((src->r) - (src->l))<<16;
764    c2dObject->config_mask |= C2D_SOURCE_RECT_BIT;
765
766    // Set the scissor rect
767    c2dObject->scissor_rect.x       = scissor->l;
768    c2dObject->scissor_rect.y       = scissor->t;
769    c2dObject->scissor_rect.height  = (scissor->b) - (scissor->t);
770    c2dObject->scissor_rect.width   = (scissor->r) - (scissor->l);
771    c2dObject->config_mask |= C2D_SCISSOR_RECT_BIT;
772}
773
774/*****************************************************************************/
775
776/** Set a parameter to value */
777static int set_parameter_copybit(
778    struct copybit_device_t *dev,
779    int name,
780    int value)
781{
782    struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
783    int status = COPYBIT_SUCCESS;
784    if (!ctx) {
785        ALOGE("%s: null context", __FUNCTION__);
786        return -EINVAL;
787    }
788
789    pthread_mutex_lock(&ctx->wait_cleanup_lock);
790    switch(name) {
791        case COPYBIT_PLANE_ALPHA:
792        {
793            if (value < 0)      value = 0;
794            if (value >= 256)   value = 255;
795
796            ctx->src_global_alpha = value;
797            if (value < 255)
798                ctx->config_mask |= C2D_GLOBAL_ALPHA_BIT;
799            else
800                ctx->config_mask &= ~C2D_GLOBAL_ALPHA_BIT;
801        }
802        break;
803        case COPYBIT_BLEND_MODE:
804        {
805            if (value == COPYBIT_BLENDING_NONE) {
806                ctx->config_mask |= C2D_ALPHA_BLEND_NONE;
807                ctx->is_premultiplied_alpha = true;
808            } else if (value == COPYBIT_BLENDING_PREMULT) {
809                ctx->is_premultiplied_alpha = true;
810            } else {
811                ctx->config_mask &= ~C2D_ALPHA_BLEND_NONE;
812            }
813        }
814        break;
815        case COPYBIT_TRANSFORM:
816        {
817            unsigned int transform = 0;
818            uint32 config_mask = 0;
819            config_mask |= C2D_OVERRIDE_GLOBAL_TARGET_ROTATE_CONFIG;
820            if((value & 0x7) == COPYBIT_TRANSFORM_ROT_180) {
821                transform = C2D_TARGET_ROTATE_180;
822                config_mask |= C2D_OVERRIDE_TARGET_ROTATE_180;
823            } else if((value & 0x7) == COPYBIT_TRANSFORM_ROT_270) {
824                transform = C2D_TARGET_ROTATE_90;
825                config_mask |= C2D_OVERRIDE_TARGET_ROTATE_90;
826            } else if(value == COPYBIT_TRANSFORM_ROT_90) {
827                transform = C2D_TARGET_ROTATE_270;
828                config_mask |= C2D_OVERRIDE_TARGET_ROTATE_270;
829            } else {
830                config_mask |= C2D_OVERRIDE_TARGET_ROTATE_0;
831                if(value & COPYBIT_TRANSFORM_FLIP_H) {
832                    config_mask |= C2D_MIRROR_H_BIT;
833                } else if(value & COPYBIT_TRANSFORM_FLIP_V) {
834                    config_mask |= C2D_MIRROR_V_BIT;
835                }
836            }
837
838            if (ctx->c2d_driver_info.capabilities_mask &
839                C2D_DRIVER_SUPPORTS_OVERRIDE_TARGET_ROTATE_OP) {
840                ctx->config_mask |= config_mask;
841            } else {
842                // The transform for this surface does not match the current
843                // target transform. Draw all previous surfaces. This will be
844                // changed once we have a new mechanism to send different
845                // target rotations to c2d.
846                finish_copybit(dev);
847            }
848            ctx->trg_transform = transform;
849        }
850        break;
851        case COPYBIT_FRAMEBUFFER_WIDTH:
852            ctx->fb_width = value;
853            break;
854        case COPYBIT_FRAMEBUFFER_HEIGHT:
855            ctx->fb_height = value;
856            break;
857        case COPYBIT_ROTATION_DEG:
858        case COPYBIT_DITHER:
859        case COPYBIT_BLUR:
860        case COPYBIT_BLIT_TO_FRAMEBUFFER:
861            // Do nothing
862            break;
863        default:
864            ALOGE("%s: default case param=0x%x", __FUNCTION__, name);
865            status = -EINVAL;
866            break;
867    }
868    pthread_mutex_unlock(&ctx->wait_cleanup_lock);
869    return status;
870}
871
872/** Get a static info value */
873static int get(struct copybit_device_t *dev, int name)
874{
875    struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
876    int value;
877
878    if (!ctx) {
879        ALOGE("%s: null context error", __FUNCTION__);
880        return -EINVAL;
881    }
882
883    switch(name) {
884        case COPYBIT_MINIFICATION_LIMIT:
885            value = MAX_SCALE_FACTOR;
886            break;
887        case COPYBIT_MAGNIFICATION_LIMIT:
888            value = MAX_SCALE_FACTOR;
889            break;
890        case COPYBIT_SCALING_FRAC_BITS:
891            value = 32;
892            break;
893        case COPYBIT_ROTATION_STEP_DEG:
894            value = 1;
895            break;
896        default:
897            ALOGE("%s: default case param=0x%x", __FUNCTION__, name);
898            value = -EINVAL;
899    }
900    return value;
901}
902
903static int is_alpha(int cformat)
904{
905    int alpha = 0;
906    switch (cformat & 0xFF) {
907        case C2D_COLOR_FORMAT_8888_ARGB:
908        case C2D_COLOR_FORMAT_8888_RGBA:
909        case C2D_COLOR_FORMAT_5551_RGBA:
910        case C2D_COLOR_FORMAT_4444_ARGB:
911            alpha = 1;
912            break;
913        default:
914            alpha = 0;
915            break;
916    }
917
918    if(alpha && (cformat&C2D_FORMAT_DISABLE_ALPHA))
919        alpha = 0;
920
921    return alpha;
922}
923
924/* Function to check if we need a temporary buffer for the blit.
925 * This would happen if the requested destination stride and the
926 * C2D stride do not match. We ignore RGB buffers, since their
927 * stride is always aligned to 32.
928 */
929static bool need_temp_buffer(struct copybit_image_t const *img)
930{
931    if (COPYBIT_SUCCESS == is_supported_rgb_format(img->format))
932        return false;
933
934    struct private_handle_t* handle = (struct private_handle_t*)img->handle;
935
936    // The width parameter in the handle contains the aligned_w. We check if we
937    // need to convert based on this param. YUV formats have bpp=1, so checking
938    // if the requested stride is aligned should suffice.
939    if (0 == (handle->width)%32) {
940        return false;
941    }
942
943    return true;
944}
945
946/* Function to extract the information from the copybit image and set the corresponding
947 * values in the bufferInfo struct.
948 */
949static void populate_buffer_info(struct copybit_image_t const *img, bufferInfo& info)
950{
951    info.width = img->w;
952    info.height = img->h;
953    info.format = img->format;
954}
955
956/* Function to get the required size for a particular format, inorder for C2D to perform
957 * the blit operation.
958 */
959static size_t get_size(const bufferInfo& info)
960{
961    int size = 0;
962    int w = info.width;
963    int h = info.height;
964    int aligned_w = ALIGN(w, 32);
965    switch(info.format) {
966        case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
967            {
968                // Chroma for this format is aligned to 2K.
969                size = ALIGN((aligned_w*h), 2048) +
970                        ALIGN(aligned_w/2, 32) * (h/2) *2;
971                size = ALIGN(size, 4096);
972            } break;
973        case HAL_PIXEL_FORMAT_YCbCr_420_SP:
974        case HAL_PIXEL_FORMAT_YCrCb_420_SP:
975            {
976                size = aligned_w * h +
977                       ALIGN(aligned_w/2, 32) * (h/2) * 2;
978                size = ALIGN(size, 4096);
979            } break;
980        default: break;
981    }
982    return size;
983}
984
985/* Function to allocate memory for the temporary buffer. This memory is
986 * allocated from Ashmem. It is the caller's responsibility to free this
987 * memory.
988 */
989static int get_temp_buffer(const bufferInfo& info, alloc_data& data)
990{
991    ALOGD("%s E", __FUNCTION__);
992    // Alloc memory from system heap
993    data.base = 0;
994    data.fd = -1;
995    data.offset = 0;
996    data.size = get_size(info);
997    data.align = getpagesize();
998    data.uncached = true;
999    int allocFlags = GRALLOC_USAGE_PRIVATE_SYSTEM_HEAP;
1000
1001    if (sAlloc == 0) {
1002        sAlloc = gralloc::IAllocController::getInstance();
1003    }
1004
1005    if (sAlloc == 0) {
1006        ALOGE("%s: sAlloc is still NULL", __FUNCTION__);
1007        return COPYBIT_FAILURE;
1008    }
1009
1010    int err = sAlloc->allocate(data, allocFlags);
1011    if (0 != err) {
1012        ALOGE("%s: allocate failed", __FUNCTION__);
1013        return COPYBIT_FAILURE;
1014    }
1015
1016    ALOGD("%s X", __FUNCTION__);
1017    return err;
1018}
1019
1020/* Function to free the temporary allocated memory.*/
1021static void free_temp_buffer(alloc_data &data)
1022{
1023    if (-1 != data.fd) {
1024        IMemAlloc* memalloc = sAlloc->getAllocator(data.allocType);
1025        memalloc->free_buffer(data.base, data.size, 0, data.fd);
1026    }
1027}
1028
1029/* Function to perform the software color conversion. Convert the
1030 * C2D compatible format to the Android compatible format
1031 */
1032static int copy_image(private_handle_t *src_handle,
1033                      struct copybit_image_t const *rhs,
1034                      eConversionType conversionType)
1035{
1036    if (src_handle->fd == -1) {
1037        ALOGE("%s: src_handle fd is invalid", __FUNCTION__);
1038        return COPYBIT_FAILURE;
1039    }
1040
1041    // Copy the info.
1042    int ret = COPYBIT_SUCCESS;
1043    switch(rhs->format) {
1044        case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
1045        case HAL_PIXEL_FORMAT_YCbCr_420_SP:
1046        case HAL_PIXEL_FORMAT_YCrCb_420_SP:
1047            {
1048                if (CONVERT_TO_ANDROID_FORMAT == conversionType) {
1049                    return convert_yuv_c2d_to_yuv_android(src_handle, rhs);
1050                } else {
1051                    return convert_yuv_android_to_yuv_c2d(src_handle, rhs);
1052                }
1053
1054            } break;
1055        default: {
1056            ALOGE("%s: invalid format 0x%x", __FUNCTION__, rhs->format);
1057            ret = COPYBIT_FAILURE;
1058        } break;
1059    }
1060    return ret;
1061}
1062
1063static void delete_handle(private_handle_t *handle)
1064{
1065    if (handle) {
1066        delete handle;
1067        handle = 0;
1068    }
1069}
1070
1071static bool need_to_execute_draw(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 */
1083static 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 = (uintptr_t)(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 = (uintptr_t)(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((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
1390static int set_sync_copybit(struct copybit_device_t *dev,
1391    int /*acquireFenceFd*/)
1392{
1393    if(!dev)
1394        return -EINVAL;
1395
1396    return 0;
1397}
1398
1399static int stretch_copybit(
1400    struct copybit_device_t *dev,
1401    struct copybit_image_t const *dst,
1402    struct copybit_image_t const *src,
1403    struct copybit_rect_t const *dst_rect,
1404    struct copybit_rect_t const *src_rect,
1405    struct copybit_region_t const *region)
1406{
1407    struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
1408    int status = COPYBIT_SUCCESS;
1409    bool needsBlending = (ctx->src_global_alpha != 0);
1410    pthread_mutex_lock(&ctx->wait_cleanup_lock);
1411    status = stretch_copybit_internal(dev, dst, src, dst_rect, src_rect,
1412                                    region, needsBlending);
1413    pthread_mutex_unlock(&ctx->wait_cleanup_lock);
1414    return status;
1415}
1416
1417/** Perform a blit type operation */
1418static int blit_copybit(
1419    struct copybit_device_t *dev,
1420    struct copybit_image_t const *dst,
1421    struct copybit_image_t const *src,
1422    struct copybit_region_t const *region)
1423{
1424    int status = COPYBIT_SUCCESS;
1425    struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
1426    struct copybit_rect_t dr = { 0, 0, (int)dst->w, (int)dst->h };
1427    struct copybit_rect_t sr = { 0, 0, (int)src->w, (int)src->h };
1428    pthread_mutex_lock(&ctx->wait_cleanup_lock);
1429    status = stretch_copybit_internal(dev, dst, src, &dr, &sr, region, false);
1430    pthread_mutex_unlock(&ctx->wait_cleanup_lock);
1431    return status;
1432}
1433
1434/** Fill the rect on dst with RGBA color **/
1435static int fill_color(struct copybit_device_t *dev,
1436                      struct copybit_image_t const *dst,
1437                      struct copybit_rect_t const *rect,
1438                      uint32_t /*color*/)
1439{
1440    // TODO: Implement once c2d driver supports color fill
1441    if(!dev || !dst || !rect)
1442       return -EINVAL;
1443
1444    return -EINVAL;
1445}
1446
1447/*****************************************************************************/
1448
1449static void clean_up(copybit_context_t* ctx)
1450{
1451    void* ret;
1452    if (!ctx)
1453        return;
1454
1455    // stop the wait_cleanup_thread
1456    pthread_mutex_lock(&ctx->wait_cleanup_lock);
1457    ctx->stop_thread = true;
1458    // Signal waiting thread
1459    pthread_cond_signal(&ctx->wait_cleanup_cond);
1460    pthread_mutex_unlock(&ctx->wait_cleanup_lock);
1461    // waits for the cleanup thread to exit
1462    pthread_join(ctx->wait_thread_id, &ret);
1463    pthread_mutex_destroy(&ctx->wait_cleanup_lock);
1464    pthread_cond_destroy (&ctx->wait_cleanup_cond);
1465
1466    for (int i = 0; i < NUM_SURFACE_TYPES; i++) {
1467        if (ctx->dst[i])
1468            LINK_c2dDestroySurface(ctx->dst[i]);
1469    }
1470
1471    for (int i = 0; i < MAX_RGB_SURFACES; i++) {
1472        if (ctx->blit_rgb_object[i].surface_id)
1473            LINK_c2dDestroySurface(ctx->blit_rgb_object[i].surface_id);
1474    }
1475
1476    for (int i = 0; i < MAX_YUV_2_PLANE_SURFACES; i++) {
1477        if (ctx->blit_yuv_2_plane_object[i].surface_id)
1478            LINK_c2dDestroySurface(ctx->blit_yuv_2_plane_object[i].surface_id);
1479    }
1480
1481    for (int i = 0; i < MAX_YUV_3_PLANE_SURFACES; i++) {
1482        if (ctx->blit_yuv_3_plane_object[i].surface_id)
1483            LINK_c2dDestroySurface(ctx->blit_yuv_3_plane_object[i].surface_id);
1484    }
1485
1486    if (ctx->libc2d2) {
1487        ::dlclose(ctx->libc2d2);
1488        ALOGV("dlclose(libc2d2)");
1489    }
1490
1491    free(ctx);
1492}
1493
1494/** Close the copybit device */
1495static int close_copybit(struct hw_device_t *dev)
1496{
1497    struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
1498    if (ctx) {
1499        free_temp_buffer(ctx->temp_src_buffer);
1500        free_temp_buffer(ctx->temp_dst_buffer);
1501    }
1502    clean_up(ctx);
1503    return 0;
1504}
1505
1506/** Open a new instance of a copybit device using name */
1507static int open_copybit(const struct hw_module_t* module, const char* name,
1508                        struct hw_device_t** device)
1509{
1510    int status = COPYBIT_SUCCESS;
1511    if (strcmp(name, COPYBIT_HARDWARE_COPYBIT0)) {
1512        return COPYBIT_FAILURE;
1513    }
1514
1515    C2D_RGB_SURFACE_DEF surfDefinition = {0};
1516    C2D_YUV_SURFACE_DEF yuvSurfaceDef = {0} ;
1517    struct copybit_context_t *ctx;
1518
1519    ctx = (struct copybit_context_t *)malloc(sizeof(struct copybit_context_t));
1520    if(!ctx) {
1521        ALOGE("%s: malloc failed", __FUNCTION__);
1522        return COPYBIT_FAILURE;
1523    }
1524
1525    /* initialize drawstate */
1526    memset(ctx, 0, sizeof(*ctx));
1527    ctx->libc2d2 = ::dlopen("libC2D2.so", RTLD_NOW);
1528    if (!ctx->libc2d2) {
1529        ALOGE("FATAL ERROR: could not dlopen libc2d2.so: %s", dlerror());
1530        clean_up(ctx);
1531        status = COPYBIT_FAILURE;
1532        *device = NULL;
1533        return status;
1534    }
1535    *(void **)&LINK_c2dCreateSurface = ::dlsym(ctx->libc2d2,
1536                                               "c2dCreateSurface");
1537    *(void **)&LINK_c2dUpdateSurface = ::dlsym(ctx->libc2d2,
1538                                               "c2dUpdateSurface");
1539    *(void **)&LINK_c2dReadSurface = ::dlsym(ctx->libc2d2,
1540                                             "c2dReadSurface");
1541    *(void **)&LINK_c2dDraw = ::dlsym(ctx->libc2d2, "c2dDraw");
1542    *(void **)&LINK_c2dFlush = ::dlsym(ctx->libc2d2, "c2dFlush");
1543    *(void **)&LINK_c2dFinish = ::dlsym(ctx->libc2d2, "c2dFinish");
1544    *(void **)&LINK_c2dWaitTimestamp = ::dlsym(ctx->libc2d2,
1545                                               "c2dWaitTimestamp");
1546    *(void **)&LINK_c2dDestroySurface = ::dlsym(ctx->libc2d2,
1547                                                "c2dDestroySurface");
1548    *(void **)&LINK_c2dMapAddr = ::dlsym(ctx->libc2d2,
1549                                         "c2dMapAddr");
1550    *(void **)&LINK_c2dUnMapAddr = ::dlsym(ctx->libc2d2,
1551                                           "c2dUnMapAddr");
1552    *(void **)&LINK_c2dGetDriverCapabilities = ::dlsym(ctx->libc2d2,
1553                                           "c2dGetDriverCapabilities");
1554    *(void **)&LINK_c2dCreateFenceFD = ::dlsym(ctx->libc2d2,
1555                                           "c2dCreateFenceFD");
1556    *(void **)&LINK_c2dFillSurface = ::dlsym(ctx->libc2d2,
1557                                           "c2dFillSurface");
1558
1559    if (!LINK_c2dCreateSurface || !LINK_c2dUpdateSurface || !LINK_c2dReadSurface
1560        || !LINK_c2dDraw || !LINK_c2dFlush || !LINK_c2dWaitTimestamp ||
1561        !LINK_c2dFinish  || !LINK_c2dDestroySurface ||
1562        !LINK_c2dGetDriverCapabilities || !LINK_c2dCreateFenceFD ||
1563        !LINK_c2dFillSurface) {
1564        ALOGE("%s: dlsym ERROR", __FUNCTION__);
1565        clean_up(ctx);
1566        status = COPYBIT_FAILURE;
1567        *device = NULL;
1568        return status;
1569    }
1570
1571    ctx->device.common.tag = HARDWARE_DEVICE_TAG;
1572    ctx->device.common.version = 1;
1573    ctx->device.common.module = (hw_module_t*)(module);
1574    ctx->device.common.close = close_copybit;
1575    ctx->device.set_parameter = set_parameter_copybit;
1576    ctx->device.get = get;
1577    ctx->device.blit = blit_copybit;
1578    ctx->device.set_sync = set_sync_copybit;
1579    ctx->device.stretch = stretch_copybit;
1580    ctx->device.finish = finish_copybit;
1581    ctx->device.flush_get_fence = flush_get_fence_copybit;
1582    ctx->device.clear = clear_copybit;
1583    ctx->device.fill_color = fill_color;
1584
1585    /* Create RGB Surface */
1586    surfDefinition.buffer = (void*)0xdddddddd;
1587    surfDefinition.phys = (void*)0xdddddddd;
1588    surfDefinition.stride = 1 * 4;
1589    surfDefinition.width = 1;
1590    surfDefinition.height = 1;
1591    surfDefinition.format = C2D_COLOR_FORMAT_8888_ARGB;
1592    if (LINK_c2dCreateSurface(&(ctx->dst[RGB_SURFACE]), C2D_TARGET | C2D_SOURCE,
1593                              (C2D_SURFACE_TYPE)(C2D_SURFACE_RGB_HOST |
1594                                                 C2D_SURFACE_WITH_PHYS |
1595                                                 C2D_SURFACE_WITH_PHYS_DUMMY ),
1596                                                 &surfDefinition)) {
1597        ALOGE("%s: create ctx->dst_surface[RGB_SURFACE] failed", __FUNCTION__);
1598        ctx->dst[RGB_SURFACE] = 0;
1599        clean_up(ctx);
1600        status = COPYBIT_FAILURE;
1601        *device = NULL;
1602        return status;
1603    }
1604
1605    unsigned int surface_id = 0;
1606    for (int i = 0; i < MAX_RGB_SURFACES; i++)
1607    {
1608        if (LINK_c2dCreateSurface(&surface_id, C2D_TARGET | C2D_SOURCE,
1609                              (C2D_SURFACE_TYPE)(C2D_SURFACE_RGB_HOST |
1610                                                 C2D_SURFACE_WITH_PHYS |
1611                                                 C2D_SURFACE_WITH_PHYS_DUMMY ),
1612                                                 &surfDefinition)) {
1613            ALOGE("%s: create RGB source surface %d failed", __FUNCTION__, i);
1614            ctx->blit_rgb_object[i].surface_id = 0;
1615            status = COPYBIT_FAILURE;
1616            break;
1617        } else {
1618            ctx->blit_rgb_object[i].surface_id = surface_id;
1619            ALOGW("%s i = %d surface_id=%d",  __FUNCTION__, i,
1620                                          ctx->blit_rgb_object[i].surface_id);
1621        }
1622    }
1623
1624    if (status == COPYBIT_FAILURE) {
1625        clean_up(ctx);
1626        status = COPYBIT_FAILURE;
1627        *device = NULL;
1628        return status;
1629    }
1630
1631    // Create 2 plane YUV surfaces
1632    yuvSurfaceDef.format = C2D_COLOR_FORMAT_420_NV12;
1633    yuvSurfaceDef.width = 4;
1634    yuvSurfaceDef.height = 4;
1635    yuvSurfaceDef.plane0 = (void*)0xaaaaaaaa;
1636    yuvSurfaceDef.phys0 = (void*) 0xaaaaaaaa;
1637    yuvSurfaceDef.stride0 = 4;
1638
1639    yuvSurfaceDef.plane1 = (void*)0xaaaaaaaa;
1640    yuvSurfaceDef.phys1 = (void*) 0xaaaaaaaa;
1641    yuvSurfaceDef.stride1 = 4;
1642    if (LINK_c2dCreateSurface(&(ctx->dst[YUV_SURFACE_2_PLANES]),
1643                              C2D_TARGET | C2D_SOURCE,
1644                              (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST |
1645                               C2D_SURFACE_WITH_PHYS |
1646                               C2D_SURFACE_WITH_PHYS_DUMMY),
1647                              &yuvSurfaceDef)) {
1648        ALOGE("%s: create ctx->dst[YUV_SURFACE_2_PLANES] failed", __FUNCTION__);
1649        ctx->dst[YUV_SURFACE_2_PLANES] = 0;
1650        clean_up(ctx);
1651        status = COPYBIT_FAILURE;
1652        *device = NULL;
1653        return status;
1654    }
1655
1656    for (int i=0; i < MAX_YUV_2_PLANE_SURFACES; i++)
1657    {
1658        if (LINK_c2dCreateSurface(&surface_id, C2D_TARGET | C2D_SOURCE,
1659                              (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST |
1660                                                 C2D_SURFACE_WITH_PHYS |
1661                                                 C2D_SURFACE_WITH_PHYS_DUMMY ),
1662                              &yuvSurfaceDef)) {
1663            ALOGE("%s: create YUV source %d failed", __FUNCTION__, i);
1664            ctx->blit_yuv_2_plane_object[i].surface_id = 0;
1665            status = COPYBIT_FAILURE;
1666            break;
1667        } else {
1668            ctx->blit_yuv_2_plane_object[i].surface_id = surface_id;
1669            ALOGW("%s: 2 Plane YUV i=%d surface_id=%d",  __FUNCTION__, i,
1670                                   ctx->blit_yuv_2_plane_object[i].surface_id);
1671        }
1672    }
1673
1674    if (status == COPYBIT_FAILURE) {
1675        clean_up(ctx);
1676        status = COPYBIT_FAILURE;
1677        *device = NULL;
1678        return status;
1679    }
1680
1681    // Create YUV 3 plane surfaces
1682    yuvSurfaceDef.format = C2D_COLOR_FORMAT_420_YV12;
1683    yuvSurfaceDef.plane2 = (void*)0xaaaaaaaa;
1684    yuvSurfaceDef.phys2 = (void*) 0xaaaaaaaa;
1685    yuvSurfaceDef.stride2 = 4;
1686
1687    if (LINK_c2dCreateSurface(&(ctx->dst[YUV_SURFACE_3_PLANES]),
1688                              C2D_TARGET | C2D_SOURCE,
1689                              (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST |
1690                                                 C2D_SURFACE_WITH_PHYS |
1691                                                 C2D_SURFACE_WITH_PHYS_DUMMY),
1692                              &yuvSurfaceDef)) {
1693        ALOGE("%s: create ctx->dst[YUV_SURFACE_3_PLANES] failed", __FUNCTION__);
1694        ctx->dst[YUV_SURFACE_3_PLANES] = 0;
1695        clean_up(ctx);
1696        status = COPYBIT_FAILURE;
1697        *device = NULL;
1698        return status;
1699    }
1700
1701    for (int i=0; i < MAX_YUV_3_PLANE_SURFACES; i++)
1702    {
1703        if (LINK_c2dCreateSurface(&(surface_id),
1704                              C2D_TARGET | C2D_SOURCE,
1705                              (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST |
1706                                                 C2D_SURFACE_WITH_PHYS |
1707                                                 C2D_SURFACE_WITH_PHYS_DUMMY),
1708                              &yuvSurfaceDef)) {
1709            ALOGE("%s: create 3 plane YUV surface %d failed", __FUNCTION__, i);
1710            ctx->blit_yuv_3_plane_object[i].surface_id = 0;
1711            status = COPYBIT_FAILURE;
1712            break;
1713        } else {
1714            ctx->blit_yuv_3_plane_object[i].surface_id = surface_id;
1715            ALOGW("%s: 3 Plane YUV i=%d surface_id=%d",  __FUNCTION__, i,
1716                                   ctx->blit_yuv_3_plane_object[i].surface_id);
1717        }
1718    }
1719
1720    if (status == COPYBIT_FAILURE) {
1721        clean_up(ctx);
1722        status = COPYBIT_FAILURE;
1723        *device = NULL;
1724        return status;
1725    }
1726
1727    if (LINK_c2dGetDriverCapabilities(&(ctx->c2d_driver_info))) {
1728         ALOGE("%s: LINK_c2dGetDriverCapabilities failed", __FUNCTION__);
1729         clean_up(ctx);
1730         status = COPYBIT_FAILURE;
1731        *device = NULL;
1732        return status;
1733    }
1734    // Initialize context variables.
1735    ctx->trg_transform = C2D_TARGET_ROTATE_0;
1736
1737    ctx->temp_src_buffer.fd = -1;
1738    ctx->temp_src_buffer.base = 0;
1739    ctx->temp_src_buffer.size = 0;
1740
1741    ctx->temp_dst_buffer.fd = -1;
1742    ctx->temp_dst_buffer.base = 0;
1743    ctx->temp_dst_buffer.size = 0;
1744
1745    ctx->fb_width = 0;
1746    ctx->fb_height = 0;
1747
1748    ctx->blit_rgb_count = 0;
1749    ctx->blit_yuv_2_plane_count = 0;
1750    ctx->blit_yuv_3_plane_count = 0;
1751    ctx->blit_count = 0;
1752
1753    ctx->wait_timestamp = false;
1754    ctx->stop_thread = false;
1755    pthread_mutex_init(&(ctx->wait_cleanup_lock), NULL);
1756    pthread_cond_init(&(ctx->wait_cleanup_cond), NULL);
1757    /* Start the wait thread */
1758    pthread_attr_t attr;
1759    pthread_attr_init(&attr);
1760    pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
1761
1762    pthread_create(&ctx->wait_thread_id, &attr, &c2d_wait_loop,
1763                                                            (void *)ctx);
1764    pthread_attr_destroy(&attr);
1765
1766    *device = &ctx->device.common;
1767    return status;
1768}
1769