1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 * Copyright (c) 2010-2012, Code Aurora Forum. All rights reserved.
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 *      http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18#define LOG_TAG "copybit_c2d"
19
20#include <cutils/log.h>
21
22#include <stdint.h>
23#include <string.h>
24#include <unistd.h>
25#include <errno.h>
26#include <fcntl.h>
27
28#include <sys/ioctl.h>
29#include <sys/types.h>
30#include <sys/mman.h>
31
32#include <linux/msm_kgsl.h>
33
34#include <EGL/eglplatform.h>
35#include <cutils/native_handle.h>
36#include <cutils/ashmem.h>
37#include <linux/ashmem.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, uint32 len, uint32 offset, uint32 flags, void ** gpuaddr);
82
83C2D_STATUS (*LINK_c2dUnMapAddr) ( void * gpuaddr);
84
85/******************************************************************************/
86
87#if defined(COPYBIT_Z180)
88#define MAX_SCALE_FACTOR    (4096)
89#define MAX_DIMENSION       (4096)
90#else
91#error "Unsupported HW version"
92#endif
93
94#define NUM_SURFACES 3
95
96enum {
97    RGB_SURFACE,
98    YUV_SURFACE_2_PLANES,
99    YUV_SURFACE_3_PLANES
100};
101
102enum eConversionType {
103    CONVERT_TO_ANDROID_FORMAT,
104    CONVERT_TO_C2D_FORMAT
105};
106
107enum eC2DFlags {
108    FLAGS_PREMULTIPLIED_ALPHA = 1<<0,
109    FLAGS_YUV_DESTINATION     = 1<<1
110};
111
112static gralloc::IAllocController* sAlloc = 0;
113/******************************************************************************/
114
115/** State information for each device instance */
116struct copybit_context_t {
117    struct copybit_device_t device;
118    unsigned int src[NUM_SURFACES];  /* src surfaces */
119    unsigned int dst[NUM_SURFACES];  /* dst surfaces */
120    unsigned int trg_transform;      /* target transform */
121    C2D_OBJECT blitState;
122    void *libc2d2;
123    alloc_data temp_src_buffer;
124    alloc_data temp_dst_buffer;
125    int fb_width;
126    int fb_height;
127    bool isPremultipliedAlpha;
128    bool mBlitToFB;
129};
130
131struct blitlist{
132    uint32_t count;
133    C2D_OBJECT blitObjects[12];
134};
135
136struct bufferInfo {
137    int width;
138    int height;
139    int format;
140};
141
142struct yuvPlaneInfo {
143    int yStride;       //luma stride
144    int plane1_stride;
145    int plane2_stride;
146    int plane1_offset;
147    int plane2_offset;
148};
149
150/**
151 * Common hardware methods
152 */
153
154static int open_copybit(const struct hw_module_t* module, const char* name,
155                        struct hw_device_t** device);
156
157static struct hw_module_methods_t copybit_module_methods = {
158open:  open_copybit
159};
160
161/*
162 * The COPYBIT Module
163 */
164struct copybit_module_t HAL_MODULE_INFO_SYM = {
165common: {
166tag: HARDWARE_MODULE_TAG,
167     version_major: 1,
168     version_minor: 0,
169     id: COPYBIT_HARDWARE_MODULE_ID,
170     name: "QCT COPYBIT C2D 2.0 Module",
171     author: "Qualcomm",
172     methods: &copybit_module_methods
173        }
174};
175
176
177/* convert COPYBIT_FORMAT to C2D format */
178static int get_format(int format) {
179    switch (format) {
180        case HAL_PIXEL_FORMAT_RGB_565:        return C2D_COLOR_FORMAT_565_RGB;
181        case HAL_PIXEL_FORMAT_RGBX_8888:      return C2D_COLOR_FORMAT_8888_ARGB |
182                                              C2D_FORMAT_SWAP_RB |
183                                                  C2D_FORMAT_DISABLE_ALPHA;
184        case HAL_PIXEL_FORMAT_RGBA_8888:      return C2D_COLOR_FORMAT_8888_ARGB |
185                                              C2D_FORMAT_SWAP_RB;
186        case HAL_PIXEL_FORMAT_BGRA_8888:      return C2D_COLOR_FORMAT_8888_ARGB;
187        case HAL_PIXEL_FORMAT_RGBA_5551:      return C2D_COLOR_FORMAT_5551_RGBA;
188        case HAL_PIXEL_FORMAT_RGBA_4444:      return C2D_COLOR_FORMAT_4444_RGBA;
189        case HAL_PIXEL_FORMAT_YCbCr_420_SP:   return C2D_COLOR_FORMAT_420_NV12;
190        case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:return C2D_COLOR_FORMAT_420_NV12;
191        case HAL_PIXEL_FORMAT_YCrCb_420_SP:   return C2D_COLOR_FORMAT_420_NV21;
192        case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: return C2D_COLOR_FORMAT_420_NV12 |
193                                                  C2D_FORMAT_MACROTILED;
194        default:                              ALOGE("%s: invalid format (0x%x", __FUNCTION__, format); return -EINVAL;
195    }
196    return -EINVAL;
197}
198
199/* Get the C2D formats needed for conversion to YUV */
200static int get_c2d_format_for_yuv_destination(int halFormat) {
201    switch (halFormat) {
202        // We do not swap the RB when the target is YUV
203        case HAL_PIXEL_FORMAT_RGBX_8888:      return C2D_COLOR_FORMAT_8888_ARGB |
204                                              C2D_FORMAT_DISABLE_ALPHA;
205        case HAL_PIXEL_FORMAT_RGBA_8888:      return C2D_COLOR_FORMAT_8888_ARGB;
206                                              // The U and V need to be interchanged when the target is YUV
207        case HAL_PIXEL_FORMAT_YCbCr_420_SP:   return C2D_COLOR_FORMAT_420_NV21;
208        case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:return C2D_COLOR_FORMAT_420_NV21;
209        case HAL_PIXEL_FORMAT_YCrCb_420_SP:   return C2D_COLOR_FORMAT_420_NV12;
210        default:                              return get_format(halFormat);
211    }
212    return -EINVAL;
213}
214
215/* ------------------------------------------------------------------- *//*!
216 * \internal
217 * \brief Get the bpp for a particular color format
218 * \param color format
219 * \return bits per pixel
220 *//* ------------------------------------------------------------------- */
221int c2diGetBpp(int32 colorformat)
222{
223
224    int c2dBpp = 0;
225
226    switch(colorformat&0xFF)
227    {
228        case C2D_COLOR_FORMAT_4444_RGBA:
229        case C2D_COLOR_FORMAT_4444_ARGB:
230        case C2D_COLOR_FORMAT_1555_ARGB:
231        case C2D_COLOR_FORMAT_565_RGB:
232        case C2D_COLOR_FORMAT_5551_RGBA:
233            c2dBpp = 16;
234            break;
235        case C2D_COLOR_FORMAT_8888_RGBA:
236        case C2D_COLOR_FORMAT_8888_ARGB:
237            c2dBpp = 32;
238            break;
239        case C2D_COLOR_FORMAT_8_L:
240        case C2D_COLOR_FORMAT_8_A:
241            c2dBpp = 8;
242            break;
243        case C2D_COLOR_FORMAT_4_A:
244            c2dBpp = 4;
245            break;
246        case C2D_COLOR_FORMAT_1:
247            c2dBpp = 1;
248            break;
249        default:
250            ALOGE("%s ERROR", __func__);
251            break;
252    }
253    return c2dBpp;
254}
255
256static uint32 c2d_get_gpuaddr( struct private_handle_t *handle)
257{
258    uint32 memtype, *gpuaddr;
259    C2D_STATUS rc;
260
261    if(!handle)
262        return 0;
263
264    if (handle->flags & (private_handle_t::PRIV_FLAGS_USES_PMEM |
265                         private_handle_t::PRIV_FLAGS_USES_PMEM_ADSP))
266        memtype = KGSL_USER_MEM_TYPE_PMEM;
267    else if (handle->flags & private_handle_t::PRIV_FLAGS_USES_ASHMEM)
268        memtype = KGSL_USER_MEM_TYPE_ASHMEM;
269    else if (handle->flags & private_handle_t::PRIV_FLAGS_USES_ION)
270        memtype = KGSL_USER_MEM_TYPE_ION;
271    else {
272        ALOGE("Invalid handle flags: 0x%x", handle->flags);
273        return 0;
274    }
275
276    rc = LINK_c2dMapAddr(handle->fd, (void*)handle->base, handle->size, handle->offset, memtype, (void**)&gpuaddr);
277    if (rc == C2D_STATUS_OK) {
278        return (uint32) gpuaddr;
279    }
280    return 0;
281}
282
283static int is_supported_rgb_format(int format)
284{
285    switch(format) {
286        case HAL_PIXEL_FORMAT_RGBA_8888:
287        case HAL_PIXEL_FORMAT_RGBX_8888:
288        case HAL_PIXEL_FORMAT_RGB_565:
289        case HAL_PIXEL_FORMAT_BGRA_8888:
290        case HAL_PIXEL_FORMAT_RGBA_5551:
291        case HAL_PIXEL_FORMAT_RGBA_4444: {
292            return COPYBIT_SUCCESS;
293        }
294        default:
295            return COPYBIT_FAILURE;
296    }
297}
298
299static int get_num_planes(int format)
300{
301    switch(format) {
302        case HAL_PIXEL_FORMAT_YCbCr_420_SP:
303        case HAL_PIXEL_FORMAT_YCrCb_420_SP:
304        case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
305        case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: {
306            return 2;
307        }
308        case HAL_PIXEL_FORMAT_YV12: {
309            return 3;
310        }
311        default:
312            return COPYBIT_FAILURE;
313    }
314}
315
316static int is_supported_yuv_format(int format)
317{
318    switch(format) {
319        case HAL_PIXEL_FORMAT_YCbCr_420_SP:
320        case HAL_PIXEL_FORMAT_YCrCb_420_SP:
321        case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
322        case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: {
323            return COPYBIT_SUCCESS;
324        }
325        default:
326            return COPYBIT_FAILURE;
327    }
328}
329
330static int is_valid_destination_format(int format)
331{
332    if (format == HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED) {
333        // C2D does not support NV12Tile as a destination format.
334        return COPYBIT_FAILURE;
335    }
336    return COPYBIT_SUCCESS;
337}
338
339static int calculate_yuv_offset_and_stride(const bufferInfo& info,
340                                           yuvPlaneInfo& yuvInfo)
341{
342    int width  = info.width;
343    int height = info.height;
344    int format = info.format;
345
346    int aligned_height = 0;
347    int aligned_width = 0, size = 0;
348
349    switch (format) {
350        case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: {
351            /* NV12 Tile buffers have their luma height aligned to 32bytes and width
352             * aligned to 128 bytes. The chroma offset starts at an 8K boundary
353             */
354            aligned_height = ALIGN(height, 32);
355            aligned_width  = ALIGN(width, 128);
356            size = aligned_width * aligned_height;
357            yuvInfo.plane1_offset = ALIGN(size,8192);
358            yuvInfo.yStride = aligned_width;
359            yuvInfo.plane1_stride = aligned_width;
360            break;
361        }
362        case HAL_PIXEL_FORMAT_YCbCr_420_SP:
363        case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
364        case HAL_PIXEL_FORMAT_YCrCb_420_SP: {
365            aligned_width = ALIGN(width, 32);
366            yuvInfo.yStride = aligned_width;
367            yuvInfo.plane1_stride = aligned_width;
368            if (HAL_PIXEL_FORMAT_NV12_ENCODEABLE == format) {
369                // The encoder requires a 2K aligned chroma offset
370                yuvInfo.plane1_offset = ALIGN(aligned_width * height, 2048);
371            } else
372                yuvInfo.plane1_offset = aligned_width * height;
373
374            break;
375        }
376        default: {
377            return COPYBIT_FAILURE;
378        }
379    }
380    return COPYBIT_SUCCESS;
381}
382
383/** create C2D surface from copybit image */
384static int set_image( uint32 surfaceId, const struct copybit_image_t *rhs,
385                      int *cformat, uint32_t *mapped, const eC2DFlags flags)
386{
387    struct private_handle_t* handle = (struct private_handle_t*)rhs->handle;
388    C2D_SURFACE_TYPE surfaceType;
389    int status = COPYBIT_SUCCESS;
390
391    if (flags & FLAGS_YUV_DESTINATION) {
392        *cformat = get_c2d_format_for_yuv_destination(rhs->format);
393    } else {
394        *cformat = get_format(rhs->format);
395    }
396
397    if(*cformat == -EINVAL) {
398        ALOGE("%s: invalid format", __FUNCTION__);
399        return -EINVAL;
400    }
401
402    if(handle == NULL) {
403        ALOGE("%s: invalid handle", __func__);
404        return -EINVAL;
405    }
406
407    if (handle->gpuaddr == 0) {
408        handle->gpuaddr = c2d_get_gpuaddr(handle);
409        if(!handle->gpuaddr) {
410            ALOGE("%s: c2d_get_gpuaddr failed", __FUNCTION__);
411            return COPYBIT_FAILURE;
412        }
413        *mapped = 1;
414    }
415
416    /* create C2D surface */
417    if(is_supported_rgb_format(rhs->format) == COPYBIT_SUCCESS) {
418        /* RGB */
419        C2D_RGB_SURFACE_DEF surfaceDef;
420
421        surfaceType = (C2D_SURFACE_TYPE) (C2D_SURFACE_RGB_HOST | C2D_SURFACE_WITH_PHYS);
422
423        surfaceDef.phys = (void*) handle->gpuaddr;
424        surfaceDef.buffer = (void*) (handle->base);
425
426        surfaceDef.format = *cformat |
427            ((flags & FLAGS_PREMULTIPLIED_ALPHA) ? C2D_FORMAT_PREMULTIPLIED : 0);
428        surfaceDef.width = rhs->w;
429        surfaceDef.height = rhs->h;
430        int aligned_width = ALIGN(surfaceDef.width,32);
431        surfaceDef.stride = (aligned_width * c2diGetBpp(surfaceDef.format))>>3;
432
433        if(LINK_c2dUpdateSurface( surfaceId,C2D_TARGET | C2D_SOURCE, surfaceType, &surfaceDef)) {
434            ALOGE("%s: RGB Surface c2dUpdateSurface ERROR", __FUNCTION__);
435            goto error;
436            status = COPYBIT_FAILURE;
437        }
438    } else if (is_supported_yuv_format(rhs->format) == COPYBIT_SUCCESS) {
439        C2D_YUV_SURFACE_DEF surfaceDef;
440        memset(&surfaceDef, 0, sizeof(surfaceDef));
441        surfaceType = (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST | C2D_SURFACE_WITH_PHYS);
442        surfaceDef.format = *cformat;
443
444        bufferInfo info;
445        info.width = rhs->w;
446        info.height = rhs->h;
447        info.format = rhs->format;
448
449        yuvPlaneInfo yuvInfo = {0};
450        status = calculate_yuv_offset_and_stride(info, yuvInfo);
451        if(status != COPYBIT_SUCCESS) {
452            ALOGE("%s: calculate_yuv_offset_and_stride error", __FUNCTION__);
453            goto error;
454        }
455
456        surfaceDef.width = rhs->w;
457        surfaceDef.height = rhs->h;
458        surfaceDef.plane0 = (void*) (handle->base);
459        surfaceDef.phys0 = (void*) (handle->gpuaddr);
460        surfaceDef.stride0 = yuvInfo.yStride;
461
462        surfaceDef.plane1 = (void*) (handle->base + yuvInfo.plane1_offset);
463        surfaceDef.phys1 = (void*) (handle->gpuaddr + yuvInfo.plane1_offset);
464        surfaceDef.stride1 = yuvInfo.plane1_stride;
465        if (3 == get_num_planes(rhs->format)) {
466            surfaceDef.plane2 = (void*) (handle->base + yuvInfo.plane2_offset);
467            surfaceDef.phys2 = (void*) (handle->gpuaddr + yuvInfo.plane2_offset);
468            surfaceDef.stride2 = yuvInfo.plane2_stride;
469        }
470
471        if(LINK_c2dUpdateSurface( surfaceId,C2D_TARGET | C2D_SOURCE, surfaceType,
472                                  &surfaceDef)) {
473            ALOGE("%s: YUV Surface c2dUpdateSurface ERROR", __FUNCTION__);
474            goto error;
475            status = COPYBIT_FAILURE;
476        }
477    } else {
478        ALOGE("%s: invalid format 0x%x", __FUNCTION__, rhs->format);
479        goto error;
480        status = COPYBIT_FAILURE;
481    }
482
483    return status;
484
485error:
486    if(*mapped == 1) {
487        LINK_c2dUnMapAddr( (void*) handle->gpuaddr);
488        handle->gpuaddr = 0;
489        *mapped = 0;
490    }
491    return status;
492}
493
494static int set_src_image( uint32 *surfaceId, const struct copybit_image_t *rhs,
495                          int *cformat, uint32 *mapped)
496{
497    struct private_handle_t* handle = (struct private_handle_t*)rhs->handle;
498    *cformat  = get_format(rhs->format);
499    C2D_SURFACE_TYPE surfaceType;
500    uint32 gpuaddr = (uint32)handle->gpuaddr;
501    int status = COPYBIT_SUCCESS;
502
503    if (handle->gpuaddr == 0)
504    {
505        handle->gpuaddr = c2d_get_gpuaddr( handle);
506        if(!handle->gpuaddr)
507            return COPYBIT_FAILURE;
508
509        *mapped = 1;
510    }
511
512    /* create C2D surface */
513    if(is_supported_rgb_format(rhs->format) == COPYBIT_SUCCESS) {
514        /* RGB */
515        C2D_RGB_SURFACE_DEF surfaceDef;
516        surfaceType = (C2D_SURFACE_TYPE) (C2D_SURFACE_RGB_HOST | C2D_SURFACE_WITH_PHYS | C2D_SURFACE_WITH_PHYS_DUMMY);
517
518        surfaceDef.phys = (void*) handle->gpuaddr;
519        surfaceDef.buffer = (void*) (handle->base);
520        surfaceDef.buffer = (void*) (handle->base + handle->offset);
521
522        surfaceDef.format = get_format(rhs->format);
523        surfaceDef.width = rhs->w;
524        surfaceDef.height = rhs->h;
525        surfaceDef.stride = ALIGN(((surfaceDef.width * c2diGetBpp(surfaceDef.format))>>3), 32);
526
527        if(LINK_c2dCreateSurface( surfaceId, C2D_TARGET, surfaceType,(void*)&surfaceDef)) {
528            ALOGE("%s: LINK_c2dCreateSurface error", __FUNCTION__);
529            status = COPYBIT_FAILURE;
530            goto error;
531        }
532    } else if(is_supported_yuv_format(rhs->format) == COPYBIT_SUCCESS) {
533        /* YUV */
534        C2D_YUV_SURFACE_DEF surfaceDef;
535        int offset = 0;
536        int yStride = 0;
537        int uvStride = 0;
538        memset(&surfaceDef, 0, sizeof(surfaceDef));
539
540        surfaceType = (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST | C2D_SURFACE_WITH_PHYS | C2D_SURFACE_WITH_PHYS_DUMMY);
541        surfaceDef.format = get_format(rhs->format);
542        bufferInfo info;
543        info.width = rhs->w;
544        info.height = rhs->h;
545        info.format = rhs->format;
546
547        yuvPlaneInfo yuvInfo;
548        status = calculate_yuv_offset_and_stride(info, yuvInfo);
549        if(status != COPYBIT_SUCCESS) {
550            ALOGE("%s: calculate_yuv_offset_and_stride error", __FUNCTION__);
551            goto error;
552        }
553
554        surfaceDef.width = rhs->w;
555        surfaceDef.height = rhs->h;
556        surfaceDef.plane0 = (void*) (handle->base);
557        surfaceDef.phys0 = (void*) handle->gpuaddr;
558        surfaceDef.stride0 = yuvInfo.yStride;
559
560        surfaceDef.plane1 = (void*) (handle->base + yuvInfo.plane1_offset);
561        surfaceDef.phys1 = (void*) (handle->gpuaddr + yuvInfo.plane1_offset);
562        surfaceDef.stride1 = yuvInfo.plane1_stride;
563
564        if(LINK_c2dCreateSurface( surfaceId, C2D_TARGET | C2D_SOURCE, surfaceType,
565                                  (void*)&surfaceDef)) {
566            ALOGE("%s: YUV surface LINK_c2dCreateSurface error", __func__);
567            status = COPYBIT_FAILURE;
568            goto error;
569        }
570    } else {
571        ALOGE("%s: Invalid format 0x%x", __FUNCTION__, rhs->format);
572        status = COPYBIT_FAILURE;
573    }
574
575    return COPYBIT_SUCCESS;
576
577error:
578    if(*mapped == 1) {
579        LINK_c2dUnMapAddr( (void*) handle->gpuaddr);
580        handle->gpuaddr = 0;
581        *mapped = 0;
582    }
583    return status;
584}
585
586void unset_image( uint32 surfaceId, const struct copybit_image_t *rhs,
587                  uint32 mmapped)
588{
589    struct private_handle_t* handle = (struct private_handle_t*)rhs->handle;
590
591    if (mmapped && handle->gpuaddr) {
592        // Unmap this gpuaddr
593        LINK_c2dUnMapAddr( (void*) handle->gpuaddr);
594        handle->gpuaddr = 0;
595    }
596}
597
598static int blit_to_target( uint32 surfaceId, const struct copybit_image_t *rhs)
599{
600    struct private_handle_t* handle = (struct private_handle_t*)rhs->handle;
601    uint32 cformat  = get_format(rhs->format);
602    C2D_SURFACE_TYPE surfaceType;
603    uint32 memoryMapped = 0;
604    int status = COPYBIT_SUCCESS;
605
606    if (!handle->gpuaddr) {
607        handle->gpuaddr = c2d_get_gpuaddr(handle);
608        if(!handle->gpuaddr)
609            return COPYBIT_FAILURE;
610
611        memoryMapped = 1;
612    }
613
614    /* create C2D surface */
615
616    if(cformat) {
617        /* RGB */
618        C2D_RGB_SURFACE_DEF surfaceDef;
619        memset(&surfaceDef, 0, sizeof(surfaceDef));
620
621        surfaceDef.buffer = (void*) handle->base;
622        surfaceDef.phys = (void*) handle->gpuaddr;
623
624        surfaceType = C2D_SURFACE_RGB_HOST;
625        surfaceDef.format = get_format(rhs->format);
626        surfaceDef.width = rhs->w;
627        surfaceDef.height = rhs->h;
628        surfaceDef.stride = ALIGN(((surfaceDef.width * c2diGetBpp(surfaceDef.format))>>3), 32);
629
630        if(LINK_c2dReadSurface(surfaceId, surfaceType, (void*)&surfaceDef, 0, 0)) {
631            ALOGE("%s: LINK_c2dReadSurface ERROR", __func__);
632            status = COPYBIT_FAILURE;
633            goto done;
634        }
635    }
636    else {
637        /* YUV */
638        /* TODO */
639    }
640
641done:
642    if (memoryMapped) {
643        LINK_c2dUnMapAddr( (void*) handle->gpuaddr);
644        handle->gpuaddr = 0;
645    }
646    return status;
647}
648
649/** setup rectangles */
650static void set_rects(struct copybit_context_t *ctx,
651                      C2D_OBJECT *c2dObject,
652                      const struct copybit_rect_t *dst,
653                      const struct copybit_rect_t *src,
654                      const struct copybit_rect_t *scissor)
655{
656    // Set the target rect.
657    if((ctx->trg_transform & C2D_TARGET_ROTATE_90) &&
658       (ctx->trg_transform & C2D_TARGET_ROTATE_180)) {
659        /* target rotation is 270 */
660        c2dObject->target_rect.x        = (dst->t)<<16;
661        c2dObject->target_rect.y        = ctx->fb_width?(ALIGN(ctx->fb_width,32)- dst->r):dst->r;
662        c2dObject->target_rect.y        = c2dObject->target_rect.y<<16;
663        c2dObject->target_rect.height   = ((dst->r) - (dst->l))<<16;
664        c2dObject->target_rect.width    = ((dst->b) - (dst->t))<<16;
665    } else if(ctx->trg_transform & C2D_TARGET_ROTATE_90) {
666        c2dObject->target_rect.x        = ctx->fb_height?(ctx->fb_height - dst->b):dst->b;
667        c2dObject->target_rect.x        = c2dObject->target_rect.x<<16;
668        c2dObject->target_rect.y        = (dst->l)<<16;
669        c2dObject->target_rect.height   = ((dst->r) - (dst->l))<<16;
670        c2dObject->target_rect.width    = ((dst->b) - (dst->t))<<16;
671    } else if(ctx->trg_transform & C2D_TARGET_ROTATE_180) {
672        c2dObject->target_rect.y        = ctx->fb_height?(ctx->fb_height - dst->b):dst->b;
673        c2dObject->target_rect.y        = c2dObject->target_rect.y<<16;
674        c2dObject->target_rect.x        = ctx->fb_width?(ALIGN(ctx->fb_width,32) - dst->r):dst->r;
675        c2dObject->target_rect.x        = c2dObject->target_rect.x<<16;
676        c2dObject->target_rect.height   = ((dst->b) - (dst->t))<<16;
677        c2dObject->target_rect.width    = ((dst->r) - (dst->l))<<16;
678    } else {
679        c2dObject->target_rect.x        = (dst->l)<<16;
680        c2dObject->target_rect.y        = (dst->t)<<16;
681        c2dObject->target_rect.height   = ((dst->b) - (dst->t))<<16;
682        c2dObject->target_rect.width    = ((dst->r) - (dst->l))<<16;
683    }
684    c2dObject->config_mask |= C2D_TARGET_RECT_BIT;
685
686    // Set the source rect
687    c2dObject->source_rect.x        = (src->l)<<16;
688    c2dObject->source_rect.y        = (src->t)<<16;
689    c2dObject->source_rect.height   = ((src->b) - (src->t))<<16;
690    c2dObject->source_rect.width    = ((src->r) - (src->l))<<16;
691    c2dObject->config_mask |= C2D_SOURCE_RECT_BIT;
692
693    // Set the scissor rect
694    c2dObject->scissor_rect.x       = scissor->l;
695    c2dObject->scissor_rect.y       = scissor->t;
696    c2dObject->scissor_rect.height  = (scissor->b) - (scissor->t);
697    c2dObject->scissor_rect.width   = (scissor->r) - (scissor->l);
698    c2dObject->config_mask |= C2D_SCISSOR_RECT_BIT;
699}
700
701/** copy the bits */
702static int msm_copybit(struct copybit_context_t *dev, blitlist *list, uint32 target)
703{
704    unsigned int objects;
705
706    for(objects = 0; objects < list->count; objects++) {
707        list->blitObjects[objects].next = &(list->blitObjects[objects+1]);
708    }
709
710    if(LINK_c2dDraw(target,dev->trg_transform, 0x0, 0, 0, list->blitObjects,
711                    list->count)) {
712        ALOGE("%s: LINK_c2dDraw ERROR", __FUNCTION__);
713        return COPYBIT_FAILURE;
714    }
715
716    return COPYBIT_SUCCESS;
717}
718
719/*****************************************************************************/
720
721/** Set a parameter to value */
722static int set_parameter_copybit(
723    struct copybit_device_t *dev,
724    int name,
725    int value)
726{
727    struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
728    if (!ctx) {
729        ALOGE("%s: null context", __FUNCTION__);
730        return -EINVAL;
731    }
732
733    switch(name) {
734        case COPYBIT_ROTATION_DEG:
735            ctx->blitState.rotation = value<<16;
736            /* SRC rotation */
737            if(!value)
738                ctx->blitState.config_mask &=~C2D_ROTATE_BIT;;
739            break;
740        case COPYBIT_PLANE_ALPHA:
741            if (value < 0)      value = 0;
742            if (value >= 256)   value = 255;
743
744            ctx->blitState.global_alpha = value;
745
746            if(ctx->blitState.global_alpha<255)
747                ctx->blitState.config_mask |= C2D_GLOBAL_ALPHA_BIT;
748            else
749                ctx->blitState.config_mask &=~C2D_GLOBAL_ALPHA_BIT;
750            break;
751        case COPYBIT_DITHER:
752            /* TODO */
753            break;
754        case COPYBIT_BLUR:
755            /* TODO */
756            break;
757        case COPYBIT_TRANSFORM:
758            ctx->blitState.config_mask &=~C2D_ROTATE_BIT;
759            ctx->blitState.config_mask &=~C2D_MIRROR_H_BIT;
760            ctx->blitState.config_mask &=~C2D_MIRROR_V_BIT;
761            ctx->trg_transform = C2D_TARGET_ROTATE_0;
762
763            if((value&0x7) == COPYBIT_TRANSFORM_ROT_180)
764                ctx->trg_transform = C2D_TARGET_ROTATE_180;
765            else if((value&0x7) == COPYBIT_TRANSFORM_ROT_270)
766                ctx->trg_transform = C2D_TARGET_ROTATE_90;
767            else {
768                if(value&COPYBIT_TRANSFORM_FLIP_H)
769                    ctx->blitState.config_mask |= C2D_MIRROR_H_BIT;
770                if(value&COPYBIT_TRANSFORM_FLIP_V)
771                    ctx->blitState.config_mask |= C2D_MIRROR_V_BIT;
772                if(value&COPYBIT_TRANSFORM_ROT_90)
773                    ctx->trg_transform = C2D_TARGET_ROTATE_270;
774            }
775            break;
776        case COPYBIT_PREMULTIPLIED_ALPHA:
777            (value == COPYBIT_ENABLE) ? ctx->isPremultipliedAlpha = true :
778                ctx->isPremultipliedAlpha = false;
779            break;
780        case COPYBIT_FRAMEBUFFER_WIDTH:
781            ctx->fb_width = value;
782            break;
783        case COPYBIT_FRAMEBUFFER_HEIGHT:
784            ctx->fb_height = value;
785            break;
786        case COPYBIT_BLIT_TO_FRAMEBUFFER:
787            if (COPYBIT_ENABLE == value) {
788                ctx->mBlitToFB = value;
789            } else if (COPYBIT_DISABLE == value) {
790                ctx->mBlitToFB = value;
791            } else {
792              ALOGE ("%s:Invalid input for COPYBIT_BLIT_TO_FRAMEBUFFER : %d",
793                                                         __FUNCTION__, value);
794            }
795            break;
796        default:
797            ALOGE("%s: default case param=0x%x", __FUNCTION__, name);
798            return -EINVAL;
799            break;
800    }
801
802    return COPYBIT_SUCCESS;
803}
804
805/** Get a static info value */
806static int get(struct copybit_device_t *dev, int name)
807{
808    struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
809    int value;
810
811    if (!ctx) {
812        ALOGE("%s: null context error", __FUNCTION__);
813        return -EINVAL;
814    }
815
816    switch(name) {
817        case COPYBIT_MINIFICATION_LIMIT:
818            value = MAX_SCALE_FACTOR;
819            break;
820        case COPYBIT_MAGNIFICATION_LIMIT:
821            value = MAX_SCALE_FACTOR;
822            break;
823        case COPYBIT_SCALING_FRAC_BITS:
824            value = 32;
825            break;
826        case COPYBIT_ROTATION_STEP_DEG:
827            value = 1;
828            break;
829        default:
830            ALOGE("%s: default case param=0x%x", __FUNCTION__, name);
831            value = -EINVAL;
832    }
833    return value;
834}
835
836static int is_alpha(int cformat)
837{
838    int alpha = 0;
839    switch (cformat & 0xFF) {
840        case C2D_COLOR_FORMAT_8888_ARGB:
841        case C2D_COLOR_FORMAT_8888_RGBA:
842        case C2D_COLOR_FORMAT_5551_RGBA:
843        case C2D_COLOR_FORMAT_4444_ARGB:
844            alpha = 1;
845            break;
846        default:
847            alpha = 0;
848            break;
849    }
850
851    if(alpha && (cformat&C2D_FORMAT_DISABLE_ALPHA))
852        alpha = 0;
853
854    return alpha;
855}
856
857/* Function to check if we need a temporary buffer for the blit.
858 * This would happen if the requested destination stride and the
859 * C2D stride do not match. We ignore RGB buffers, since their
860 * stride is always aligned to 32.
861 */
862static bool need_temp_buffer(struct copybit_image_t const *img)
863{
864    if (COPYBIT_SUCCESS == is_supported_rgb_format(img->format))
865        return false;
866
867    struct private_handle_t* handle = (struct private_handle_t*)img->handle;
868
869    // The width parameter in the handle contains the aligned_w. We check if we
870    // need to convert based on this param. YUV formats have bpp=1, so checking
871    // if the requested stride is aligned should suffice.
872    if (0 == (handle->width)%32) {
873        return false;
874    }
875
876    return true;
877}
878
879/* Function to extract the information from the copybit image and set the corresponding
880 * values in the bufferInfo struct.
881 */
882static void populate_buffer_info(struct copybit_image_t const *img, bufferInfo& info)
883{
884    info.width = img->w;
885    info.height = img->h;
886    info.format = img->format;
887}
888
889/* Function to get the required size for a particular format, inorder for C2D to perform
890 * the blit operation.
891 */
892static size_t get_size(const bufferInfo& info)
893{
894    size_t size = 0;
895    int w = info.width;
896    int h = info.height;
897    int aligned_w = ALIGN(w, 32);
898    switch(info.format) {
899        case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
900            {
901                // Chroma for this format is aligned to 2K.
902                size = ALIGN((aligned_w*h), 2048) +
903                    ALIGN(w/2, 32) * h/2 *2;
904                size = ALIGN(size, 4096);
905            } break;
906        case HAL_PIXEL_FORMAT_YCbCr_420_SP:
907        case HAL_PIXEL_FORMAT_YCrCb_420_SP:
908            {
909                size = aligned_w*h +
910                    ALIGN(w/2, 32) * h/2 *2;
911                size = ALIGN(size, 4096);
912            } break;
913        default: break;
914    }
915    return size;
916}
917
918/* Function to allocate memory for the temporary buffer. This memory is
919 * allocated from Ashmem. It is the caller's responsibility to free this
920 * memory.
921 */
922static int get_temp_buffer(const bufferInfo& info, alloc_data& data)
923{
924    ALOGD("%s E", __FUNCTION__);
925    // Alloc memory from system heap
926    data.base = 0;
927    data.fd = -1;
928    data.offset = 0;
929    data.size = get_size(info);
930    data.align = getpagesize();
931    data.uncached = true;
932    int allocFlags = GRALLOC_USAGE_PRIVATE_SYSTEM_HEAP;
933
934    if (sAlloc == 0) {
935        sAlloc = gralloc::IAllocController::getInstance();
936    }
937
938    if (sAlloc == 0) {
939        ALOGE("%s: sAlloc is still NULL", __FUNCTION__);
940        return COPYBIT_FAILURE;
941    }
942
943    int err = sAlloc->allocate(data, allocFlags);
944    if (0 != err) {
945        ALOGE("%s: allocate failed", __FUNCTION__);
946        return COPYBIT_FAILURE;
947    }
948
949    ALOGD("%s X", __FUNCTION__);
950    return err;
951}
952
953/* Function to free the temporary allocated memory.*/
954static void free_temp_buffer(alloc_data &data)
955{
956    if (-1 != data.fd) {
957        IMemAlloc* memalloc = sAlloc->getAllocator(data.allocType);
958        memalloc->free_buffer(data.base, data.size, 0, data.fd);
959    }
960}
961
962/* Function to perform the software color conversion. Convert the
963 * C2D compatible format to the Android compatible format
964 */
965static int copy_image(private_handle_t *src_handle,
966                      struct copybit_image_t const *rhs,
967                      eConversionType conversionType)
968{
969    if (src_handle->fd == -1) {
970        ALOGE("%s: src_handle fd is invalid", __FUNCTION__);
971        return COPYBIT_FAILURE;
972    }
973
974    // Copy the info.
975    int ret = COPYBIT_SUCCESS;
976    switch(rhs->format) {
977        case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
978        case HAL_PIXEL_FORMAT_YCbCr_420_SP:
979        case HAL_PIXEL_FORMAT_YCrCb_420_SP:
980            {
981                if (CONVERT_TO_ANDROID_FORMAT == conversionType) {
982                    return convert_yuv_c2d_to_yuv_android(src_handle, rhs);
983                } else {
984                    return convert_yuv_android_to_yuv_c2d(src_handle, rhs);
985                }
986
987            } break;
988        default: {
989            ALOGE("%s: invalid format 0x%x", __FUNCTION__, rhs->format);
990            ret = COPYBIT_FAILURE;
991        } break;
992    }
993    return ret;
994}
995
996static void delete_handle(private_handle_t *handle)
997{
998    if (handle) {
999        delete handle;
1000        handle = 0;
1001    }
1002}
1003/** do a stretch blit type operation */
1004static int stretch_copybit_internal(
1005    struct copybit_device_t *dev,
1006    struct copybit_image_t const *dst,
1007    struct copybit_image_t const *src,
1008    struct copybit_rect_t const *dst_rect,
1009    struct copybit_rect_t const *src_rect,
1010    struct copybit_region_t const *region,
1011    bool enableBlend)
1012{
1013    struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
1014    int status = COPYBIT_SUCCESS;
1015    uint32 maxCount;
1016    uint32 src_mapped = 0, trg_mapped = 0;
1017    blitlist list;
1018    C2D_OBJECT *req;
1019    memset(&list, 0, sizeof(list));
1020    int cformat;
1021    c2d_ts_handle timestamp;
1022    uint32 src_surface_index = 0, dst_surface_index = 0;
1023
1024    if (!ctx) {
1025        ALOGE("%s: null context error", __FUNCTION__);
1026        return -EINVAL;
1027    }
1028
1029    if (src->w > MAX_DIMENSION || src->h > MAX_DIMENSION) {
1030        ALOGE("%s: src dimension error", __FUNCTION__);
1031        return -EINVAL;
1032    }
1033
1034    if (dst->w > MAX_DIMENSION || dst->h > MAX_DIMENSION) {
1035        ALOGE("%s : dst dimension error dst w %d h %d",  __FUNCTION__, dst->w, dst->h);
1036        return -EINVAL;
1037    }
1038
1039    maxCount = sizeof(list.blitObjects)/sizeof(C2D_OBJECT);
1040
1041    struct copybit_rect_t clip;
1042    list.count = 0;
1043
1044    if (is_valid_destination_format(dst->format) == COPYBIT_FAILURE) {
1045        ALOGE("%s: Invalid destination format format = 0x%x", __FUNCTION__, dst->format);
1046        return COPYBIT_FAILURE;
1047    }
1048
1049    bool isYUVDestination = false;
1050    if (is_supported_rgb_format(dst->format) == COPYBIT_SUCCESS) {
1051        dst_surface_index = RGB_SURFACE;
1052    } else if (is_supported_yuv_format(dst->format) == COPYBIT_SUCCESS) {
1053        isYUVDestination = true;
1054        int num_planes = get_num_planes(dst->format);
1055        if (num_planes == 2) {
1056            dst_surface_index = YUV_SURFACE_2_PLANES;
1057        } else if (num_planes == 3) {
1058            dst_surface_index = YUV_SURFACE_3_PLANES;
1059        } else {
1060            ALOGE("%s: dst number of YUV planes is invalid dst format = 0x%x",
1061                  __FUNCTION__, dst->format);
1062            return COPYBIT_FAILURE;
1063        }
1064    } else {
1065        ALOGE("%s: Invalid dst surface format 0x%x", __FUNCTION__, dst->format);
1066        return COPYBIT_FAILURE;
1067    }
1068
1069    copybit_image_t dst_image;
1070    dst_image.w = dst->w;
1071    dst_image.h = dst->h;
1072    dst_image.format = dst->format;
1073    dst_image.handle = dst->handle;
1074    // Check if we need a temp. copy for the destination. We'd need this the destination
1075    // width is not aligned to 32. This case occurs for YUV formats. RGB formats are
1076    // aligned to 32.
1077    bool needTempDestination = need_temp_buffer(dst);
1078    bufferInfo dst_info;
1079    populate_buffer_info(dst, dst_info);
1080    private_handle_t* dst_hnd = new private_handle_t(-1, 0, 0, 0, dst_info.format,
1081                                                     dst_info.width, dst_info.height);
1082    if (dst_hnd == NULL) {
1083        ALOGE("%s: dst_hnd is null", __FUNCTION__);
1084        return COPYBIT_FAILURE;
1085    }
1086    if (needTempDestination) {
1087        if (get_size(dst_info) != ctx->temp_dst_buffer.size) {
1088            free_temp_buffer(ctx->temp_dst_buffer);
1089            // Create a temp buffer and set that as the destination.
1090            if (COPYBIT_FAILURE == get_temp_buffer(dst_info, ctx->temp_dst_buffer)) {
1091                ALOGE("%s: get_temp_buffer(dst) failed", __FUNCTION__);
1092                delete_handle(dst_hnd);
1093                return COPYBIT_FAILURE;
1094            }
1095        }
1096        dst_hnd->fd = ctx->temp_dst_buffer.fd;
1097        dst_hnd->size = ctx->temp_dst_buffer.size;
1098        dst_hnd->flags = ctx->temp_dst_buffer.allocType;
1099        dst_hnd->base = (int)(ctx->temp_dst_buffer.base);
1100        dst_hnd->offset = ctx->temp_dst_buffer.offset;
1101        dst_hnd->gpuaddr = 0;
1102        dst_image.handle = dst_hnd;
1103    }
1104
1105    int flags = 0;
1106    flags |= (ctx->isPremultipliedAlpha) ? FLAGS_PREMULTIPLIED_ALPHA : 0;
1107    flags |= (isYUVDestination) ? FLAGS_YUV_DESTINATION : 0;
1108
1109    status = set_image( ctx->dst[dst_surface_index], &dst_image,
1110                        &cformat, &trg_mapped, (eC2DFlags)flags);
1111    if(status) {
1112        ALOGE("%s: dst: set_image error", __FUNCTION__);
1113        delete_handle(dst_hnd);
1114        return COPYBIT_FAILURE;
1115    }
1116
1117    if(is_supported_rgb_format(src->format) == COPYBIT_SUCCESS) {
1118        src_surface_index = RGB_SURFACE;
1119    } else if (is_supported_yuv_format(src->format) == COPYBIT_SUCCESS) {
1120        int num_planes = get_num_planes(src->format);
1121        if (num_planes == 2) {
1122            src_surface_index = YUV_SURFACE_2_PLANES;
1123        } else if (num_planes == 3) {
1124            src_surface_index = YUV_SURFACE_3_PLANES;
1125        } else {
1126            ALOGE("%s: src number of YUV planes is invalid src format = 0x%x",
1127                  __FUNCTION__, src->format);
1128            delete_handle(dst_hnd);
1129            return -EINVAL;
1130        }
1131    } else {
1132        ALOGE("%s: Invalid source surface format 0x%x", __FUNCTION__, src->format);
1133        delete_handle(dst_hnd);
1134        return -EINVAL;
1135    }
1136
1137    copybit_image_t src_image;
1138    src_image.w = src->w;
1139    src_image.h = src->h;
1140    src_image.format = src->format;
1141    src_image.handle = src->handle;
1142
1143    bool needTempSource = need_temp_buffer(src);
1144    bufferInfo src_info;
1145    populate_buffer_info(src, src_info);
1146    private_handle_t* src_hnd = new private_handle_t(-1, 0, 0, 0, src_info.format,
1147                                                     src_info.width, src_info.height);
1148    if (NULL == src_hnd) {
1149        ALOGE("%s: src_hnd is null", __FUNCTION__);
1150        delete_handle(dst_hnd);
1151        return COPYBIT_FAILURE;
1152    }
1153    if (needTempSource) {
1154        if (get_size(src_info) != ctx->temp_src_buffer.size) {
1155            free_temp_buffer(ctx->temp_src_buffer);
1156            // Create a temp buffer and set that as the destination.
1157            if (COPYBIT_SUCCESS != get_temp_buffer(src_info, ctx->temp_src_buffer)) {
1158                ALOGE("%s: get_temp_buffer(src) failed", __FUNCTION__);
1159                delete_handle(dst_hnd);
1160                delete_handle(src_hnd);
1161                return COPYBIT_FAILURE;
1162            }
1163        }
1164        src_hnd->fd = ctx->temp_src_buffer.fd;
1165        src_hnd->size = ctx->temp_src_buffer.size;
1166        src_hnd->flags = ctx->temp_src_buffer.allocType;
1167        src_hnd->base = (int)(ctx->temp_src_buffer.base);
1168        src_hnd->offset = ctx->temp_src_buffer.offset;
1169        src_hnd->gpuaddr = 0;
1170        src_image.handle = src_hnd;
1171
1172        // Copy the source.
1173        copy_image((private_handle_t *)src->handle, &src_image, CONVERT_TO_C2D_FORMAT);
1174
1175        // Flush the cache
1176        IMemAlloc* memalloc = sAlloc->getAllocator(src_hnd->flags);
1177        if (memalloc->clean_buffer((void *)(src_hnd->base), src_hnd->size,
1178                                   src_hnd->offset, src_hnd->fd)) {
1179            ALOGE("%s: clean_buffer failed", __FUNCTION__);
1180            delete_handle(dst_hnd);
1181            delete_handle(src_hnd);
1182            return COPYBIT_FAILURE;
1183        }
1184    }
1185
1186    status = set_image( ctx->src[src_surface_index], &src_image,
1187                        &cformat, &src_mapped, (eC2DFlags)flags);
1188    if(status) {
1189        ALOGE("%s: set_src_image error", __FUNCTION__);
1190        delete_handle(dst_hnd);
1191        delete_handle(src_hnd);
1192        return COPYBIT_FAILURE;
1193    }
1194
1195    if (enableBlend) {
1196        if(ctx->blitState.config_mask & C2D_GLOBAL_ALPHA_BIT) {
1197            ctx->blitState.config_mask &= ~C2D_ALPHA_BLEND_NONE;
1198            if(!(ctx->blitState.global_alpha)) {
1199                // src alpha is zero
1200                unset_image( ctx->src[src_surface_index],
1201                             &src_image, src_mapped);
1202                unset_image( ctx->dst[dst_surface_index],
1203                             &dst_image, trg_mapped);
1204                delete_handle(dst_hnd);
1205                delete_handle(src_hnd);
1206                return status;
1207            }
1208        } else {
1209            if(is_alpha(cformat))
1210                ctx->blitState.config_mask &= ~C2D_ALPHA_BLEND_NONE;
1211            else
1212                ctx->blitState.config_mask |= C2D_ALPHA_BLEND_NONE;
1213        }
1214    } else {
1215        ctx->blitState.config_mask |= C2D_ALPHA_BLEND_NONE;
1216    }
1217
1218    ctx->blitState.surface_id = ctx->src[src_surface_index];
1219
1220    while ((status == 0) && region->next(region, &clip)) {
1221        req = &(list.blitObjects[list.count]);
1222        memcpy(req,&ctx->blitState,sizeof(C2D_OBJECT));
1223
1224        set_rects(ctx, req, dst_rect, src_rect, &clip);
1225
1226        if (++list.count == maxCount) {
1227            status = msm_copybit(ctx, &list, ctx->dst[dst_surface_index]);
1228            list.count = 0;
1229        }
1230    }
1231    if ((status == 0) && list.count) {
1232        status = msm_copybit(ctx, &list, ctx->dst[dst_surface_index]);
1233    }
1234
1235    if(LINK_c2dFinish(ctx->dst[dst_surface_index])) {
1236        ALOGE("%s: LINK_c2dFinish ERROR", __FUNCTION__);
1237    }
1238
1239    unset_image( ctx->src[src_surface_index], &src_image,
1240                 src_mapped);
1241    unset_image( ctx->dst[dst_surface_index], &dst_image,
1242                 trg_mapped);
1243    if (needTempDestination) {
1244        // copy the temp. destination without the alignment to the actual destination.
1245        copy_image(dst_hnd, dst, CONVERT_TO_ANDROID_FORMAT);
1246        // Invalidate the cache.
1247        IMemAlloc* memalloc = sAlloc->getAllocator(dst_hnd->flags);
1248        memalloc->clean_buffer((void *)(dst_hnd->base), dst_hnd->size,
1249                               dst_hnd->offset, dst_hnd->fd);
1250    }
1251    delete_handle(dst_hnd);
1252    delete_handle(src_hnd);
1253    ctx->isPremultipliedAlpha = false;
1254    ctx->fb_width = 0;
1255    ctx->fb_height = 0;
1256    return status;
1257}
1258
1259static int stretch_copybit(
1260    struct copybit_device_t *dev,
1261    struct copybit_image_t const *dst,
1262    struct copybit_image_t const *src,
1263    struct copybit_rect_t const *dst_rect,
1264    struct copybit_rect_t const *src_rect,
1265    struct copybit_region_t const *region)
1266{
1267    struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
1268    bool needsBlending = (ctx->blitState.global_alpha != 0);
1269    return stretch_copybit_internal(dev, dst, src, dst_rect, src_rect,
1270                                    region, needsBlending);
1271}
1272
1273/** Perform a blit type operation */
1274static int blit_copybit(
1275    struct copybit_device_t *dev,
1276    struct copybit_image_t const *dst,
1277    struct copybit_image_t const *src,
1278    struct copybit_region_t const *region)
1279{
1280    struct copybit_rect_t dr = { 0, 0, dst->w, dst->h };
1281    struct copybit_rect_t sr = { 0, 0, src->w, src->h };
1282    return stretch_copybit_internal(dev, dst, src, &dr, &sr, region, false);
1283}
1284
1285/*****************************************************************************/
1286
1287/** Close the copybit device */
1288static int close_copybit(struct hw_device_t *dev)
1289{
1290    struct copybit_context_t* ctx = (struct copybit_context_t*)dev;
1291    if (ctx) {
1292        for(int i = 0; i <NUM_SURFACES; i++) {
1293            LINK_c2dDestroySurface(ctx->dst[i]);
1294            LINK_c2dDestroySurface(ctx->src[i]);
1295        }
1296
1297        if (ctx->libc2d2) {
1298            ::dlclose(ctx->libc2d2);
1299            ALOGV("dlclose(libc2d2)");
1300        }
1301
1302        free_temp_buffer(ctx->temp_src_buffer);
1303        free_temp_buffer(ctx->temp_dst_buffer);
1304        free(ctx);
1305    }
1306
1307    return 0;
1308}
1309
1310/** Open a new instance of a copybit device using name */
1311static int open_copybit(const struct hw_module_t* module, const char* name,
1312                        struct hw_device_t** device)
1313{
1314    int status = COPYBIT_SUCCESS;
1315    C2D_RGB_SURFACE_DEF surfDefinition = {0};
1316    C2D_YUV_SURFACE_DEF yuvSurfaceDef = {0} ;
1317    struct copybit_context_t *ctx;
1318    char fbName[64];
1319
1320    ctx = (struct copybit_context_t *)malloc(sizeof(struct copybit_context_t));
1321    if(!ctx) {
1322        ALOGE("%s: malloc failed", __FUNCTION__);
1323        return COPYBIT_FAILURE;
1324    }
1325
1326    /* initialize drawstate */
1327    memset(ctx, 0, sizeof(*ctx));
1328
1329    for (int i=0; i< NUM_SURFACES; i++) {
1330        ctx->dst[i] = -1;
1331        ctx->src[i] = -1;
1332    }
1333
1334    ctx->libc2d2 = ::dlopen("libC2D2.so", RTLD_NOW);
1335    if (!ctx->libc2d2) {
1336        ALOGE("FATAL ERROR: could not dlopen libc2d2.so: %s", dlerror());
1337        goto error;
1338    }
1339    *(void **)&LINK_c2dCreateSurface = ::dlsym(ctx->libc2d2,
1340                                               "c2dCreateSurface");
1341    *(void **)&LINK_c2dUpdateSurface = ::dlsym(ctx->libc2d2,
1342                                               "c2dUpdateSurface");
1343    *(void **)&LINK_c2dReadSurface = ::dlsym(ctx->libc2d2,
1344                                             "c2dReadSurface");
1345    *(void **)&LINK_c2dDraw = ::dlsym(ctx->libc2d2, "c2dDraw");
1346    *(void **)&LINK_c2dFlush = ::dlsym(ctx->libc2d2, "c2dFlush");
1347    *(void **)&LINK_c2dFinish = ::dlsym(ctx->libc2d2, "c2dFinish");
1348    *(void **)&LINK_c2dWaitTimestamp = ::dlsym(ctx->libc2d2,
1349                                               "c2dWaitTimestamp");
1350    *(void **)&LINK_c2dDestroySurface = ::dlsym(ctx->libc2d2,
1351                                                "c2dDestroySurface");
1352    *(void **)&LINK_c2dMapAddr = ::dlsym(ctx->libc2d2,
1353                                         "c2dMapAddr");
1354    *(void **)&LINK_c2dUnMapAddr = ::dlsym(ctx->libc2d2,
1355                                           "c2dUnMapAddr");
1356
1357    if (!LINK_c2dCreateSurface || !LINK_c2dUpdateSurface || !LINK_c2dReadSurface
1358        || !LINK_c2dDraw || !LINK_c2dFlush || !LINK_c2dWaitTimestamp || !LINK_c2dFinish
1359        || !LINK_c2dDestroySurface) {
1360        ALOGE("%s: dlsym ERROR", __FUNCTION__);
1361        goto error;
1362    }
1363
1364    ctx->device.common.tag = HARDWARE_DEVICE_TAG;
1365    ctx->device.common.version = 1;
1366    ctx->device.common.module = (hw_module_t*)(module);
1367    ctx->device.common.close = close_copybit;
1368    ctx->device.set_parameter = set_parameter_copybit;
1369    ctx->device.get = get;
1370    ctx->device.blit = blit_copybit;
1371    ctx->device.stretch = stretch_copybit;
1372    ctx->blitState.config_mask = C2D_NO_BILINEAR_BIT | C2D_NO_ANTIALIASING_BIT;
1373    ctx->trg_transform = C2D_TARGET_ROTATE_0;
1374
1375    /* Create RGB Surface */
1376    surfDefinition.buffer = (void*)0xdddddddd;
1377    surfDefinition.phys = (void*)0xdddddddd;
1378    surfDefinition.stride = 1 * 4;
1379    surfDefinition.width = 1;
1380    surfDefinition.height = 1;
1381    surfDefinition.format = C2D_COLOR_FORMAT_8888_ARGB;
1382    if (LINK_c2dCreateSurface(&(ctx->dst[RGB_SURFACE]), C2D_TARGET | C2D_SOURCE,
1383                              (C2D_SURFACE_TYPE)(C2D_SURFACE_RGB_HOST |
1384                                                 C2D_SURFACE_WITH_PHYS | C2D_SURFACE_WITH_PHYS_DUMMY ), &surfDefinition)) {
1385        ALOGE("%s: create ctx->dst[RGB_SURFACE] failed", __FUNCTION__);
1386        ctx->dst[RGB_SURFACE] = -1;
1387        goto error;
1388    }
1389
1390
1391    if (LINK_c2dCreateSurface(&(ctx->src[RGB_SURFACE]), C2D_TARGET | C2D_SOURCE,
1392                              (C2D_SURFACE_TYPE)(C2D_SURFACE_RGB_HOST |
1393                                                 C2D_SURFACE_WITH_PHYS | C2D_SURFACE_WITH_PHYS_DUMMY), &surfDefinition)) {
1394        ALOGE("%s: create ctx->src[RGB_SURFACE] failed", __FUNCTION__);
1395        ctx->src[RGB_SURFACE] = -1;
1396        goto error;
1397    }
1398
1399    /* Create YUV source surface */
1400    yuvSurfaceDef.format = C2D_COLOR_FORMAT_420_NV12;
1401
1402    yuvSurfaceDef.width = 4;
1403    yuvSurfaceDef.height = 4;
1404    yuvSurfaceDef.plane0 = (void*)0xaaaaaaaa;
1405    yuvSurfaceDef.phys0 = (void*) 0xaaaaaaaa;
1406    yuvSurfaceDef.stride0 = 4;
1407
1408    yuvSurfaceDef.plane1 = (void*)0xaaaaaaaa;
1409    yuvSurfaceDef.phys1 = (void*) 0xaaaaaaaa;
1410    yuvSurfaceDef.stride1 = 4;
1411
1412    if (LINK_c2dCreateSurface(&(ctx->src[YUV_SURFACE_2_PLANES]),
1413                              C2D_TARGET | C2D_SOURCE,
1414                              (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST|C2D_SURFACE_WITH_PHYS | C2D_SURFACE_WITH_PHYS_DUMMY),
1415                              &yuvSurfaceDef)) {
1416        ALOGE("%s: create ctx->src[YUV_SURFACE_2_PLANES] failed", __FUNCTION__);
1417        ctx->src[YUV_SURFACE_2_PLANES] = -1;
1418        goto error;
1419    }
1420
1421    if (LINK_c2dCreateSurface(&(ctx->dst[YUV_SURFACE_2_PLANES]),
1422                              C2D_TARGET | C2D_SOURCE,
1423                              (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST | C2D_SURFACE_WITH_PHYS | C2D_SURFACE_WITH_PHYS_DUMMY),
1424                              &yuvSurfaceDef)) {
1425        ALOGE("%s: create ctx->dst[YUV_SURFACE_2_PLANES] failed", __FUNCTION__);
1426        ctx->dst[YUV_SURFACE_2_PLANES] = -1;
1427        goto error;
1428    }
1429
1430    yuvSurfaceDef.format = C2D_COLOR_FORMAT_420_YV12;
1431    yuvSurfaceDef.plane2 = (void*)0xaaaaaaaa;
1432    yuvSurfaceDef.phys2 = (void*) 0xaaaaaaaa;
1433    yuvSurfaceDef.stride2 = 4;
1434
1435    if (LINK_c2dCreateSurface(&(ctx->src[YUV_SURFACE_3_PLANES]),
1436                              C2D_TARGET | C2D_SOURCE,
1437                              (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST | C2D_SURFACE_WITH_PHYS | C2D_SURFACE_WITH_PHYS_DUMMY),
1438                              &yuvSurfaceDef)) {
1439        ALOGE("%s: create ctx->src[YUV_SURFACE_3_PLANES] failed", __FUNCTION__);
1440        ctx->src[YUV_SURFACE_3_PLANES] = -1;
1441        goto error;
1442    }
1443
1444    if (LINK_c2dCreateSurface(&(ctx->dst[YUV_SURFACE_3_PLANES]),
1445                              C2D_TARGET | C2D_SOURCE,
1446                              (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST | C2D_SURFACE_WITH_PHYS | C2D_SURFACE_WITH_PHYS_DUMMY),
1447                              &yuvSurfaceDef)) {
1448        ALOGE("%s: create ctx->dst[YUV_SURFACE_3_PLANES] failed", __FUNCTION__);
1449        ctx->dst[YUV_SURFACE_3_PLANES] = -1;
1450        goto error;
1451    }
1452
1453    ctx->temp_src_buffer.fd = -1;
1454    ctx->temp_src_buffer.base = 0;
1455    ctx->temp_src_buffer.size = 0;
1456
1457    ctx->temp_dst_buffer.fd = -1;
1458    ctx->temp_dst_buffer.base = 0;
1459    ctx->temp_dst_buffer.size = 0;
1460
1461    ctx->fb_width = 0;
1462    ctx->fb_height = 0;
1463    ctx->isPremultipliedAlpha = false;
1464
1465    *device = &ctx->device.common;
1466    return status;
1467
1468error:
1469    for (int i = 0; i<NUM_SURFACES; i++) {
1470        if (-1 != (ctx->src[i])) {
1471            LINK_c2dDestroySurface(ctx->src[i]);
1472            ctx->src[i] = -1;
1473        }
1474        if (-1 != (ctx->dst[i])) {
1475            LINK_c2dDestroySurface(ctx->dst[i]);
1476            ctx->dst[i] = -1;
1477        }
1478    }
1479    if (ctx->libc2d2)
1480        ::dlclose(ctx->libc2d2);
1481    if (ctx)
1482        free(ctx);
1483    status = COPYBIT_FAILURE;
1484    *device = NULL;
1485
1486    return status;
1487}
1488