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      1 /* Copyright (c) 2012 - 2013, The Linux Foundation. All rights reserved.
      2  *
      3  * redistribution and use in source and binary forms, with or without
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      5  * met:
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      7  *       notice, this list of conditions and the following disclaimer.
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      9  *       copyright notice, this list of conditions and the following
     10  *       disclaimer in the documentation and/or other materials provided
     11  *       with the distribution.
     12  *     * neither the name of The Linux Foundation nor the names of its
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     14  *       from this software without specific prior written permission.
     15  *
     16  * this software is provided "as is" and any express or implied
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     28  */
     29 
     30 #include <C2DColorConverter.h>
     31 #include <arm_neon.h>
     32 #include <stdlib.h>
     33 #include <fcntl.h>
     34 #include <linux/msm_kgsl.h>
     35 #include <sys/ioctl.h>
     36 #include <utils/Log.h>
     37 #include <dlfcn.h>
     38 
     39 #undef LOG_TAG
     40 #define LOG_TAG "C2DColorConvert"
     41 #define ALIGN( num, to ) (((num) + (to-1)) & (~(to-1)))
     42 #define ALIGN8K 8192
     43 #define ALIGN4K 4096
     44 #define ALIGN2K 2048
     45 #define ALIGN128 128
     46 #define ALIGN32 32
     47 #define ALIGN16 16
     48 
     49 //-----------------------------------------------------
     50 namespace android {
     51 
     52 class C2DColorConverter : public C2DColorConverterBase {
     53 
     54 public:
     55     C2DColorConverter(size_t srcWidth, size_t srcHeight, size_t dstWidth, size_t dstHeight, ColorConvertFormat srcFormat, ColorConvertFormat dstFormat, int32_t flags,size_t srcStride);
     56     int32_t getBuffReq(int32_t port, C2DBuffReq *req);
     57     int32_t dumpOutput(char * filename, char mode);
     58 protected:
     59     virtual ~C2DColorConverter();
     60     virtual int convertC2D(int srcFd, void *srcBase, void * srcData, int dstFd, void *dstBase, void * dstData);
     61 
     62 private:
     63     virtual bool isYUVSurface(ColorConvertFormat format);
     64     virtual void *getDummySurfaceDef(ColorConvertFormat format, size_t width, size_t height, bool isSource);
     65     virtual C2D_STATUS updateYUVSurfaceDef(int fd, void *base, void * data, bool isSource);
     66     virtual C2D_STATUS updateRGBSurfaceDef(int fd, void * data, bool isSource);
     67     virtual uint32_t getC2DFormat(ColorConvertFormat format);
     68     virtual size_t calcStride(ColorConvertFormat format, size_t width);
     69     virtual size_t calcYSize(ColorConvertFormat format, size_t width, size_t height);
     70     virtual size_t calcSize(ColorConvertFormat format, size_t width, size_t height);
     71     virtual void *getMappedGPUAddr(int bufFD, void *bufPtr, size_t bufLen);
     72     virtual bool unmapGPUAddr(uint32_t gAddr);
     73     virtual size_t calcLumaAlign(ColorConvertFormat format);
     74     virtual size_t calcSizeAlign(ColorConvertFormat format);
     75 
     76     void *mC2DLibHandle;
     77     LINK_c2dCreateSurface mC2DCreateSurface;
     78     LINK_c2dUpdateSurface mC2DUpdateSurface;
     79     LINK_c2dReadSurface mC2DReadSurface;
     80     LINK_c2dDraw mC2DDraw;
     81     LINK_c2dFlush mC2DFlush;
     82     LINK_c2dFinish mC2DFinish;
     83     LINK_c2dWaitTimestamp mC2DWaitTimestamp;
     84     LINK_c2dDestroySurface mC2DDestroySurface;
     85     LINK_c2dMapAddr mC2DMapAddr;
     86     LINK_c2dUnMapAddr mC2DUnMapAddr;
     87 
     88     uint32_t mSrcSurface, mDstSurface;
     89     void * mSrcSurfaceDef;
     90     void * mDstSurfaceDef;
     91 
     92     C2D_OBJECT mBlit;
     93     size_t mSrcWidth;
     94     size_t mSrcHeight;
     95     size_t mSrcStride;
     96     size_t mDstWidth;
     97     size_t mDstHeight;
     98     size_t mSrcSize;
     99     size_t mDstSize;
    100     size_t mSrcYSize;
    101     size_t mDstYSize;
    102     enum ColorConvertFormat mSrcFormat;
    103     enum ColorConvertFormat mDstFormat;
    104     int32_t mFlags;
    105 
    106     int mError;
    107 };
    108 
    109 C2DColorConverter::C2DColorConverter(size_t srcWidth, size_t srcHeight, size_t dstWidth, size_t dstHeight, ColorConvertFormat srcFormat, ColorConvertFormat dstFormat, int32_t flags, size_t srcStride)
    110 {
    111      mError = 0;
    112      mC2DLibHandle = dlopen("libC2D2.so", RTLD_NOW);
    113      if (!mC2DLibHandle) {
    114          ALOGE("FATAL ERROR: could not dlopen libc2d2.so: %s", dlerror());
    115          mError = -1;
    116          return;
    117      }
    118      mC2DCreateSurface = (LINK_c2dCreateSurface)dlsym(mC2DLibHandle, "c2dCreateSurface");
    119      mC2DUpdateSurface = (LINK_c2dUpdateSurface)dlsym(mC2DLibHandle, "c2dUpdateSurface");
    120      mC2DReadSurface = (LINK_c2dReadSurface)dlsym(mC2DLibHandle, "c2dReadSurface");
    121      mC2DDraw = (LINK_c2dDraw)dlsym(mC2DLibHandle, "c2dDraw");
    122      mC2DFlush = (LINK_c2dFlush)dlsym(mC2DLibHandle, "c2dFlush");
    123      mC2DFinish = (LINK_c2dFinish)dlsym(mC2DLibHandle, "c2dFinish");
    124      mC2DWaitTimestamp = (LINK_c2dWaitTimestamp)dlsym(mC2DLibHandle, "c2dWaitTimestamp");
    125      mC2DDestroySurface = (LINK_c2dDestroySurface)dlsym(mC2DLibHandle, "c2dDestroySurface");
    126      mC2DMapAddr = (LINK_c2dMapAddr)dlsym(mC2DLibHandle, "c2dMapAddr");
    127      mC2DUnMapAddr = (LINK_c2dUnMapAddr)dlsym(mC2DLibHandle, "c2dUnMapAddr");
    128 
    129      if (!mC2DCreateSurface || !mC2DUpdateSurface || !mC2DReadSurface
    130         || !mC2DDraw || !mC2DFlush || !mC2DFinish || !mC2DWaitTimestamp
    131         || !mC2DDestroySurface || !mC2DMapAddr || !mC2DUnMapAddr) {
    132          ALOGE("%s: dlsym ERROR", __FUNCTION__);
    133          mError = -1;
    134          return;
    135      }
    136 
    137     mSrcWidth = srcWidth;
    138     mSrcHeight = srcHeight;
    139     mSrcStride = srcStride;;
    140     mDstWidth = dstWidth;
    141     mDstHeight = dstHeight;
    142     mSrcFormat = srcFormat;
    143     mDstFormat = dstFormat;
    144     mSrcSize = calcSize(srcFormat, srcWidth, srcHeight);
    145     mDstSize = calcSize(dstFormat, dstWidth, dstHeight);
    146     mSrcYSize = calcYSize(srcFormat, srcWidth, srcHeight);
    147     mDstYSize = calcYSize(dstFormat, dstWidth, dstHeight);
    148 
    149     mFlags = flags; // can be used for rotation
    150 
    151     mSrcSurfaceDef = getDummySurfaceDef(srcFormat, srcWidth, srcHeight, true);
    152     mDstSurfaceDef = getDummySurfaceDef(dstFormat, dstWidth, dstHeight, false);
    153 
    154     memset((void*)&mBlit,0,sizeof(C2D_OBJECT));
    155     mBlit.source_rect.x = 0 << 16;
    156     mBlit.source_rect.y = 0 << 16;
    157     mBlit.source_rect.width = srcWidth << 16;
    158     mBlit.source_rect.height = srcHeight << 16;
    159     mBlit.target_rect.x = 0 << 16;
    160     mBlit.target_rect.y = 0 << 16;
    161     mBlit.target_rect.width = dstWidth << 16;
    162     mBlit.target_rect.height = dstHeight << 16;
    163     mBlit.config_mask = C2D_ALPHA_BLEND_NONE | C2D_NO_BILINEAR_BIT | C2D_NO_ANTIALIASING_BIT | C2D_TARGET_RECT_BIT;
    164     mBlit.surface_id = mSrcSurface;
    165 }
    166 
    167 C2DColorConverter::~C2DColorConverter()
    168 {
    169     if (mError) {
    170         if (mC2DLibHandle) {
    171             dlclose(mC2DLibHandle);
    172         }
    173         return;
    174     }
    175 
    176     mC2DDestroySurface(mDstSurface);
    177     mC2DDestroySurface(mSrcSurface);
    178     if (isYUVSurface(mSrcFormat)) {
    179         delete ((C2D_YUV_SURFACE_DEF *)mSrcSurfaceDef);
    180     } else {
    181         delete ((C2D_RGB_SURFACE_DEF *)mSrcSurfaceDef);
    182     }
    183 
    184     if (isYUVSurface(mDstFormat)) {
    185         delete ((C2D_YUV_SURFACE_DEF *)mDstSurfaceDef);
    186     } else {
    187         delete ((C2D_RGB_SURFACE_DEF *)mDstSurfaceDef);
    188     }
    189 
    190     dlclose(mC2DLibHandle);
    191 }
    192 
    193 int C2DColorConverter::convertC2D(int srcFd, void *srcBase, void * srcData, int dstFd, void *dstBase, void * dstData)
    194 {
    195     C2D_STATUS ret;
    196 
    197     if (mError) {
    198         ALOGE("C2D library initialization failed\n");
    199         return mError;
    200     }
    201 
    202     if ((srcFd < 0) || (dstFd < 0) || (srcData == NULL) || (dstData == NULL)) {
    203         ALOGE("Incorrect input parameters\n");
    204         return -1;
    205     }
    206 
    207     if (isYUVSurface(mSrcFormat)) {
    208         ret = updateYUVSurfaceDef(srcFd, srcBase, srcData, true);
    209     } else {
    210         ret = updateRGBSurfaceDef(srcFd, srcData, true);
    211     }
    212 
    213     if (ret != C2D_STATUS_OK) {
    214         ALOGE("Update src surface def failed\n");
    215         return -ret;
    216     }
    217 
    218     if (isYUVSurface(mDstFormat)) {
    219         ret = updateYUVSurfaceDef(dstFd, dstBase, dstData, false);
    220     } else {
    221         ret = updateRGBSurfaceDef(dstFd, dstData, false);
    222     }
    223 
    224     if (ret != C2D_STATUS_OK) {
    225         ALOGE("Update dst surface def failed\n");
    226         return -ret;
    227     }
    228 
    229     mBlit.surface_id = mSrcSurface;
    230     ret = mC2DDraw(mDstSurface, C2D_TARGET_ROTATE_0, 0, 0, 0, &mBlit, 1);
    231     mC2DFinish(mDstSurface);
    232 
    233     bool unmappedSrcSuccess;
    234     if (isYUVSurface(mSrcFormat)) {
    235         unmappedSrcSuccess = unmapGPUAddr((uint32_t)((C2D_YUV_SURFACE_DEF *)mSrcSurfaceDef)->phys0);
    236     } else {
    237         unmappedSrcSuccess = unmapGPUAddr((uint32_t)((C2D_RGB_SURFACE_DEF *)mSrcSurfaceDef)->phys);
    238     }
    239 
    240     bool unmappedDstSuccess;
    241     if (isYUVSurface(mDstFormat)) {
    242         unmappedDstSuccess = unmapGPUAddr((uint32_t)((C2D_YUV_SURFACE_DEF *)mDstSurfaceDef)->phys0);
    243     } else {
    244         unmappedDstSuccess = unmapGPUAddr((uint32_t)((C2D_RGB_SURFACE_DEF *)mDstSurfaceDef)->phys);
    245     }
    246 
    247     if (ret != C2D_STATUS_OK) {
    248         ALOGE("C2D Draw failed\n");
    249         return -ret; //c2d err values are positive
    250     } else {
    251         if (!unmappedSrcSuccess || !unmappedDstSuccess) {
    252             ALOGE("unmapping GPU address failed\n");
    253             return -1;
    254         }
    255         return ret;
    256     }
    257 }
    258 
    259 bool C2DColorConverter::isYUVSurface(ColorConvertFormat format)
    260 {
    261     switch (format) {
    262         case YCbCr420Tile:
    263         case YCbCr420SP:
    264         case YCbCr420P:
    265         case YCrCb420P:
    266         case NV12_2K:
    267         case NV12_128m:
    268             return true;
    269         case RGB565:
    270         case RGBA8888:
    271         default:
    272             return false;
    273     }
    274 }
    275 
    276 void* C2DColorConverter::getDummySurfaceDef(ColorConvertFormat format, size_t width, size_t height, bool isSource)
    277 {
    278     if (isYUVSurface(format)) {
    279         C2D_YUV_SURFACE_DEF * surfaceDef = new C2D_YUV_SURFACE_DEF;
    280         surfaceDef->format = getC2DFormat(format);
    281         surfaceDef->width = width;
    282         surfaceDef->height = height;
    283         surfaceDef->plane0 = (void *)0xaaaaaaaa;
    284         surfaceDef->phys0 = (void *)0xaaaaaaaa;
    285         surfaceDef->stride0 = calcStride(format, width);
    286         surfaceDef->plane1 = (void *)0xaaaaaaaa;
    287         surfaceDef->phys1 = (void *)0xaaaaaaaa;
    288         surfaceDef->stride1 = calcStride(format, width);
    289 
    290         if (format == YCbCr420P ||
    291             format == YCrCb420P) {
    292           printf("half stride for Cb Cr planes \n");
    293           surfaceDef->stride1 = calcStride(format, width) / 2;
    294           surfaceDef->phys2 = (void *)0xaaaaaaaa;
    295           surfaceDef->stride2 = calcStride(format, width) / 2;
    296         }
    297         mC2DCreateSurface(isSource ? &mSrcSurface : &mDstSurface, isSource ? C2D_SOURCE : C2D_TARGET,
    298                         (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST | C2D_SURFACE_WITH_PHYS | C2D_SURFACE_WITH_PHYS_DUMMY),
    299                         &(*surfaceDef));
    300         return ((void *)surfaceDef);
    301     } else {
    302         C2D_RGB_SURFACE_DEF * surfaceDef = new C2D_RGB_SURFACE_DEF;
    303         surfaceDef->format = getC2DFormat(format);
    304         surfaceDef->width = width;
    305         surfaceDef->height = height;
    306         surfaceDef->buffer = (void *)0xaaaaaaaa;
    307         surfaceDef->phys = (void *)0xaaaaaaaa;
    308         surfaceDef->stride = calcStride(format, width);
    309         mC2DCreateSurface(isSource ? &mSrcSurface : &mDstSurface, isSource ? C2D_SOURCE : C2D_TARGET,
    310                         (C2D_SURFACE_TYPE)(C2D_SURFACE_RGB_HOST | C2D_SURFACE_WITH_PHYS | C2D_SURFACE_WITH_PHYS_DUMMY),
    311                         &(*surfaceDef));
    312         return ((void *)surfaceDef);
    313     }
    314 }
    315 
    316 C2D_STATUS C2DColorConverter::updateYUVSurfaceDef(int fd, void *base, void *data, bool isSource)
    317 {
    318     if (isSource) {
    319         C2D_YUV_SURFACE_DEF * srcSurfaceDef = (C2D_YUV_SURFACE_DEF *)mSrcSurfaceDef;
    320         srcSurfaceDef->plane0 = data;
    321         srcSurfaceDef->phys0  = getMappedGPUAddr(fd, data, mSrcSize) + ((uint8_t *)data - (uint8_t *)base);
    322         srcSurfaceDef->plane1 = (uint8_t *)data + mSrcYSize;
    323         srcSurfaceDef->phys1  = (uint8_t *)srcSurfaceDef->phys0 + mSrcYSize;
    324         srcSurfaceDef->plane2 = (uint8_t *)srcSurfaceDef->plane1 + mSrcYSize/4;
    325         srcSurfaceDef->phys2  = (uint8_t *)srcSurfaceDef->phys1 + mSrcYSize/4;
    326 
    327         return mC2DUpdateSurface(mSrcSurface, C2D_SOURCE,
    328                         (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST | C2D_SURFACE_WITH_PHYS),
    329                         &(*srcSurfaceDef));
    330     } else {
    331         C2D_YUV_SURFACE_DEF * dstSurfaceDef = (C2D_YUV_SURFACE_DEF *)mDstSurfaceDef;
    332         dstSurfaceDef->plane0 = data;
    333         dstSurfaceDef->phys0  = getMappedGPUAddr(fd, data, mDstSize) + ((uint8_t *)data - (uint8_t *)base);
    334         dstSurfaceDef->plane1 = (uint8_t *)data + mDstYSize;
    335         dstSurfaceDef->phys1  = (uint8_t *)dstSurfaceDef->phys0 + mDstYSize;
    336         dstSurfaceDef->plane2 = (uint8_t *)dstSurfaceDef->plane1 + mDstYSize/4;
    337         dstSurfaceDef->phys2  = (uint8_t *)dstSurfaceDef->phys1 + mDstYSize/4;
    338 
    339         return mC2DUpdateSurface(mDstSurface, C2D_TARGET,
    340                         (C2D_SURFACE_TYPE)(C2D_SURFACE_YUV_HOST | C2D_SURFACE_WITH_PHYS),
    341                         &(*dstSurfaceDef));
    342     }
    343 }
    344 
    345 C2D_STATUS C2DColorConverter::updateRGBSurfaceDef(int fd, void * data, bool isSource)
    346 {
    347     if (isSource) {
    348         C2D_RGB_SURFACE_DEF * srcSurfaceDef = (C2D_RGB_SURFACE_DEF *)mSrcSurfaceDef;
    349         srcSurfaceDef->buffer = data;
    350         srcSurfaceDef->phys = getMappedGPUAddr(fd, data, mSrcSize);
    351         return  mC2DUpdateSurface(mSrcSurface, C2D_SOURCE,
    352                         (C2D_SURFACE_TYPE)(C2D_SURFACE_RGB_HOST | C2D_SURFACE_WITH_PHYS),
    353                         &(*srcSurfaceDef));
    354     } else {
    355         C2D_RGB_SURFACE_DEF * dstSurfaceDef = (C2D_RGB_SURFACE_DEF *)mDstSurfaceDef;
    356         dstSurfaceDef->buffer = data;
    357         ALOGV("dstSurfaceDef->buffer = %p\n", data);
    358         dstSurfaceDef->phys = getMappedGPUAddr(fd, data, mDstSize);
    359         return mC2DUpdateSurface(mDstSurface, C2D_TARGET,
    360                         (C2D_SURFACE_TYPE)(C2D_SURFACE_RGB_HOST | C2D_SURFACE_WITH_PHYS),
    361                         &(*dstSurfaceDef));
    362     }
    363 }
    364 
    365 uint32_t C2DColorConverter::getC2DFormat(ColorConvertFormat format)
    366 {
    367     switch (format) {
    368         case RGB565:
    369             return C2D_COLOR_FORMAT_565_RGB;
    370         case RGBA8888:
    371             return C2D_COLOR_FORMAT_8888_RGBA | C2D_FORMAT_SWAP_ENDIANNESS | C2D_FORMAT_PREMULTIPLIED;
    372         case YCbCr420Tile:
    373             return (C2D_COLOR_FORMAT_420_NV12 | C2D_FORMAT_MACROTILED);
    374         case YCbCr420SP:
    375         case NV12_2K:
    376         case NV12_128m:
    377             return C2D_COLOR_FORMAT_420_NV12;
    378         case YCbCr420P:
    379             return C2D_COLOR_FORMAT_420_I420;
    380         case YCrCb420P:
    381             return C2D_COLOR_FORMAT_420_YV12;
    382         default:
    383             ALOGE("Format not supported , %d\n", format);
    384             return -1;
    385     }
    386 }
    387 
    388 size_t C2DColorConverter::calcStride(ColorConvertFormat format, size_t width)
    389 {
    390     switch (format) {
    391         case RGB565:
    392             return ALIGN(width, ALIGN32) * 2; // RGB565 has width as twice
    393         case RGBA8888:
    394 	if (mSrcStride)
    395 		return mSrcStride * 4;
    396 	else
    397 		return ALIGN(width, ALIGN32) * 4;
    398         case YCbCr420Tile:
    399             return ALIGN(width, ALIGN128);
    400         case YCbCr420SP:
    401             return ALIGN(width, ALIGN32);
    402         case NV12_2K:
    403             return ALIGN(width, ALIGN16);
    404         case NV12_128m:
    405             return ALIGN(width, ALIGN128);
    406         case YCbCr420P:
    407             return width;
    408         case YCrCb420P:
    409             return ALIGN(width, ALIGN16);
    410         default:
    411             return 0;
    412     }
    413 }
    414 
    415 size_t C2DColorConverter::calcYSize(ColorConvertFormat format, size_t width, size_t height)
    416 {
    417     switch (format) {
    418         case YCbCr420SP:
    419             return (ALIGN(width, ALIGN32) * height);
    420         case YCbCr420P:
    421             return width * height;
    422         case YCrCb420P:
    423             return ALIGN(width, ALIGN16) * height;
    424         case YCbCr420Tile:
    425             return ALIGN(ALIGN(width, ALIGN128) * ALIGN(height, ALIGN32), ALIGN8K);
    426         case NV12_2K: {
    427             size_t alignedw = ALIGN(width, ALIGN16);
    428             size_t lumaSize = ALIGN(alignedw * height, ALIGN2K);
    429             return lumaSize;
    430         }
    431         case NV12_128m:
    432             return ALIGN(width, ALIGN128) * ALIGN(height, ALIGN32);
    433         default:
    434             return 0;
    435     }
    436 }
    437 
    438 size_t C2DColorConverter::calcSize(ColorConvertFormat format, size_t width, size_t height)
    439 {
    440     int32_t alignedw = 0;
    441     int32_t alignedh = 0;
    442     int32_t size = 0;
    443 
    444     switch (format) {
    445         case RGB565:
    446             size = ALIGN(width, ALIGN32) * ALIGN(height, ALIGN32) * 2;
    447             size = ALIGN(size, ALIGN4K);
    448             break;
    449         case RGBA8888:
    450             if (mSrcStride)
    451               size = mSrcStride *  ALIGN(height, ALIGN32) * 4;
    452             else
    453               size = ALIGN(width, ALIGN32) * ALIGN(height, ALIGN32) * 4;
    454             size = ALIGN(size, ALIGN4K);
    455             break;
    456         case YCbCr420SP:
    457             alignedw = ALIGN(width, ALIGN32);
    458             size = ALIGN((alignedw * height) + (ALIGN(width/2, ALIGN32) * (height/2) * 2), ALIGN4K);
    459             break;
    460         case YCbCr420P:
    461             size = ALIGN((width * height * 3 / 2), ALIGN4K);
    462             break;
    463         case YCrCb420P:
    464             alignedw = ALIGN(width, ALIGN16);
    465             size = ALIGN((alignedw * height) + (ALIGN(width/2, ALIGN16) * (height/2) * 2), ALIGN4K);
    466             break;
    467         case YCbCr420Tile:
    468             alignedw = ALIGN(width, ALIGN128);
    469             alignedh = ALIGN(height, ALIGN32);
    470             size = ALIGN(alignedw * alignedh, ALIGN8K) + ALIGN(alignedw * ALIGN(height/2, ALIGN32), ALIGN8K);
    471             break;
    472         case NV12_2K: {
    473             alignedw = ALIGN(width, ALIGN16);
    474             size_t lumaSize = ALIGN(alignedw * height, ALIGN2K);
    475             size_t chromaSize = ALIGN((alignedw * height)/2, ALIGN2K);
    476             size = ALIGN(lumaSize + chromaSize, ALIGN4K);
    477             ALOGV("NV12_2k, width = %d, height = %d, size = %d", width, height, size);
    478             }
    479             break;
    480         case NV12_128m:
    481             alignedw = ALIGN(width, ALIGN128);
    482             alignedh = ALIGN(height, ALIGN32);
    483             size = ALIGN(alignedw * alignedh + (alignedw * ALIGN(height/2, ALIGN16)), ALIGN4K);
    484             break;
    485         default:
    486             break;
    487     }
    488     return size;
    489 }
    490 /*
    491  * Tells GPU to map given buffer and returns a physical address of mapped buffer
    492  */
    493 void * C2DColorConverter::getMappedGPUAddr(int bufFD, void *bufPtr, size_t bufLen)
    494 {
    495     C2D_STATUS status;
    496     void *gpuaddr = NULL;
    497 
    498     status = mC2DMapAddr(bufFD, bufPtr, bufLen, 0, KGSL_USER_MEM_TYPE_ION,
    499             &gpuaddr);
    500     if (status != C2D_STATUS_OK) {
    501         ALOGE("c2dMapAddr failed: status %d fd %d ptr %p len %d flags %d\n",
    502                 status, bufFD, bufPtr, bufLen, KGSL_USER_MEM_TYPE_ION);
    503         return NULL;
    504     }
    505     ALOGV("c2d mapping created: gpuaddr %p fd %d ptr %p len %d\n",
    506             gpuaddr, bufFD, bufPtr, bufLen);
    507 
    508     return gpuaddr;
    509 }
    510 
    511 bool C2DColorConverter::unmapGPUAddr(uint32_t gAddr)
    512 {
    513 
    514     C2D_STATUS status = mC2DUnMapAddr((void*)gAddr);
    515 
    516     if (status != C2D_STATUS_OK)
    517         ALOGE("c2dUnMapAddr failed: status %d gpuaddr %08x\n", status, gAddr);
    518 
    519     return (status == C2D_STATUS_OK);
    520 }
    521 
    522 int32_t C2DColorConverter::getBuffReq(int32_t port, C2DBuffReq *req) {
    523     if (!req) return -1;
    524 
    525     if (port != C2D_INPUT && port != C2D_OUTPUT) return -1;
    526 
    527     memset(req, 0, sizeof(C2DBuffReq));
    528     if (port == C2D_INPUT) {
    529         req->width = mSrcWidth;
    530         req->height = mSrcHeight;
    531         req->stride = calcStride(mSrcFormat, mSrcWidth);
    532         req->sliceHeight = mSrcHeight;
    533         req->lumaAlign = calcLumaAlign(mSrcFormat);
    534         req->sizeAlign = calcSizeAlign(mSrcFormat);
    535         req->size = calcSize(mSrcFormat, mSrcWidth, mSrcHeight);
    536         //add bpp?
    537         ALOGV("input req->size = %d\n", req->size);
    538     } else if (port == C2D_OUTPUT) {
    539         req->width = mDstWidth;
    540         req->height = mDstHeight;
    541         req->stride = calcStride(mDstFormat, mDstWidth);
    542         req->sliceHeight = mDstHeight;
    543         req->lumaAlign = calcLumaAlign(mDstFormat);
    544         req->sizeAlign = calcSizeAlign(mDstFormat);
    545         req->size = calcSize(mDstFormat, mDstWidth, mDstHeight);
    546         ALOGV("output req->size = %d\n", req->size);
    547     }
    548     return 0;
    549 }
    550 
    551 size_t C2DColorConverter::calcLumaAlign(ColorConvertFormat format) {
    552     if (!isYUVSurface(format)) return 1; //no requirement
    553 
    554     switch (format) {
    555         case NV12_2K:
    556           return ALIGN2K;
    557         case NV12_128m:
    558           return 1;
    559         default:
    560           ALOGE("unknown format passed for luma alignment number");
    561           return 1;
    562     }
    563 }
    564 
    565 size_t C2DColorConverter::calcSizeAlign(ColorConvertFormat format) {
    566     if (!isYUVSurface(format)) return 1; //no requirement
    567 
    568     switch (format) {
    569         case YCbCr420SP: //OR NV12
    570         case YCbCr420P:
    571         case NV12_2K:
    572         case NV12_128m:
    573           return ALIGN4K;
    574         default:
    575           ALOGE("unknown format passed for size alignment number");
    576           return 1;
    577     }
    578 }
    579 
    580 int32_t C2DColorConverter::dumpOutput(char * filename, char mode) {
    581     int fd;
    582     size_t stride, sliceHeight;
    583     if (!filename) return -1;
    584 
    585     int flags = O_RDWR | O_CREAT;
    586     if (mode == 'a') {
    587       flags |= O_APPEND;
    588     }
    589 
    590     if ((fd = open(filename, flags)) < 0) {
    591         ALOGE("open dump file failed w/ errno %s", strerror(errno));
    592         return -1;
    593     }
    594 
    595     int ret = 0;
    596     if (isYUVSurface(mDstFormat)) {
    597       C2D_YUV_SURFACE_DEF * dstSurfaceDef = (C2D_YUV_SURFACE_DEF *)mDstSurfaceDef;
    598       uint8_t * base = (uint8_t *)dstSurfaceDef->plane0;
    599       stride = dstSurfaceDef->stride0;
    600       sliceHeight = dstSurfaceDef->height;
    601       /* dump luma */
    602       for (size_t i = 0; i < sliceHeight; i++) {
    603         ret = write(fd, base, mDstWidth); //will work only for the 420 ones
    604         if (ret < 0) goto cleanup;
    605         base += stride;
    606       }
    607 
    608       if (mDstFormat == YCbCr420P ||
    609           mDstFormat == YCrCb420P) {
    610           printf("Dump Cb and Cr separately for Planar\n");
    611           //dump Cb/Cr
    612           base = (uint8_t *)dstSurfaceDef->plane1;
    613           stride = dstSurfaceDef->stride1;
    614           for (size_t i = 0; i < sliceHeight/2;i++) { //will work only for the 420 ones
    615             ret = write(fd, base, mDstWidth/2);
    616             if (ret < 0) goto cleanup;
    617             base += stride;
    618           }
    619 
    620           //dump Cr/Cb
    621           base = (uint8_t *)dstSurfaceDef->plane2;
    622           stride = dstSurfaceDef->stride2;
    623 
    624           for (size_t i = 0; i < sliceHeight/2;i++) { //will work only for the 420 ones
    625             ret = write(fd, base, mDstWidth/2);
    626             if (ret < 0) goto cleanup;
    627             base += stride;
    628           }
    629 
    630       } else {
    631           /* dump chroma */
    632           base = (uint8_t *)dstSurfaceDef->plane1;
    633           stride = dstSurfaceDef->stride1;
    634           for (size_t i = 0; i < sliceHeight/2;i++) { //will work only for the 420 ones
    635             ret = write(fd, base, mDstWidth);
    636             if (ret < 0) goto cleanup;
    637             base += stride;
    638           }
    639       }
    640     } else {
    641       C2D_RGB_SURFACE_DEF * dstSurfaceDef = (C2D_RGB_SURFACE_DEF *)mDstSurfaceDef;
    642       uint8_t * base = (uint8_t *)dstSurfaceDef->buffer;
    643       stride = dstSurfaceDef->stride;
    644       sliceHeight = dstSurfaceDef->height;
    645 
    646       printf("rgb surface base is %p", base);
    647       printf("rgb surface dumpsslice height is %d\n", sliceHeight);
    648       printf("rgb surface dump stride is %d\n", stride);
    649 
    650       int bpp = 1; //bytes per pixel
    651       if (mDstFormat == RGB565) {
    652         bpp = 2;
    653       } else if (mDstFormat == RGBA8888) {
    654         bpp = 4;
    655       }
    656 
    657       int count = 0;
    658       for (size_t i = 0; i < sliceHeight; i++) {
    659         ret = write(fd, base, mDstWidth*bpp);
    660         if (ret < 0) {
    661           printf("write failed, count = %d\n", count);
    662           goto cleanup;
    663         }
    664         base += stride;
    665         count += stride;
    666       }
    667     }
    668  cleanup:
    669     if (ret < 0) {
    670       ALOGE("file write failed w/ errno %s", strerror(errno));
    671     }
    672     close(fd);
    673     return ret < 0 ? ret : 0;
    674 }
    675 
    676 extern "C" C2DColorConverterBase* createC2DColorConverter(size_t srcWidth, size_t srcHeight, size_t dstWidth, size_t dstHeight, ColorConvertFormat srcFormat, ColorConvertFormat dstFormat, int32_t flags, size_t srcStride)
    677 {
    678     return new C2DColorConverter(srcWidth, srcHeight, dstWidth, dstHeight, srcFormat, dstFormat, flags, srcStride);
    679 }
    680 
    681 extern "C" void destroyC2DColorConverter(C2DColorConverterBase* C2DCC)
    682 {
    683     delete C2DCC;
    684 }
    685 
    686 }
    687