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      1 /*
      2  * Copyright (C) 2010 The Android Open Source Project
      3  * Copyright (C) 2012-2013, The Linux Foundation. All rights reserved.
      4  *
      5  * Not a Contribution, Apache license notifications and license are
      6  * retained 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 
     21 #define DEBUG_FBUPDATE 0
     22 #include <gralloc_priv.h>
     23 #include <overlay.h>
     24 #include "hwc_fbupdate.h"
     25 #include "mdp_version.h"
     26 
     27 using namespace qdutils;
     28 using namespace overlay;
     29 
     30 namespace qhwc {
     31 
     32 namespace ovutils = overlay::utils;
     33 
     34 IFBUpdate* IFBUpdate::getObject(const int& width, const int& rightSplit,
     35         const int& dpy) {
     36     if(width > MAX_DISPLAY_DIM || rightSplit) {
     37         return new FBUpdateHighRes(dpy);
     38     }
     39     return new FBUpdateLowRes(dpy);
     40 }
     41 
     42 inline void IFBUpdate::reset() {
     43     mModeOn = false;
     44 }
     45 
     46 //================= Low res====================================
     47 FBUpdateLowRes::FBUpdateLowRes(const int& dpy): IFBUpdate(dpy) {}
     48 
     49 inline void FBUpdateLowRes::reset() {
     50     IFBUpdate::reset();
     51     mDest = ovutils::OV_INVALID;
     52 }
     53 
     54 bool FBUpdateLowRes::prepare(hwc_context_t *ctx, hwc_display_contents_1 *list,
     55                              int fbZorder) {
     56     if(!ctx->mMDP.hasOverlay) {
     57         ALOGD_IF(DEBUG_FBUPDATE, "%s, this hw doesnt support overlays",
     58                  __FUNCTION__);
     59         return false;
     60     }
     61     mModeOn = configure(ctx, list, fbZorder);
     62     return mModeOn;
     63 }
     64 
     65 // Configure
     66 bool FBUpdateLowRes::configure(hwc_context_t *ctx, hwc_display_contents_1 *list,
     67                                int fbZorder) {
     68     bool ret = false;
     69     hwc_layer_1_t *layer = &list->hwLayers[list->numHwLayers - 1];
     70     if (LIKELY(ctx->mOverlay)) {
     71         overlay::Overlay& ov = *(ctx->mOverlay);
     72         hwc_rect_t displayFrame = layer->displayFrame;
     73         int alignedWidth = 0;
     74         int alignedHeight = 0;
     75 
     76         getBufferSizeAndDimensions(displayFrame.right - displayFrame.left,
     77                 displayFrame.bottom - displayFrame.top,
     78                 HAL_PIXEL_FORMAT_RGBA_8888,
     79                 alignedWidth,
     80                 alignedHeight);
     81 
     82         ovutils::Whf info(alignedWidth,
     83                 alignedHeight,
     84                 ovutils::getMdpFormat(HAL_PIXEL_FORMAT_RGBA_8888));
     85 
     86         //Request a pipe
     87         ovutils::eMdpPipeType type = ovutils::OV_MDP_PIPE_ANY;
     88         if(qdutils::MDPVersion::getInstance().is8x26() && mDpy) {
     89             //For 8x26 external always use DMA pipe
     90             type = ovutils::OV_MDP_PIPE_DMA;
     91         }
     92         ovutils::eDest dest = ov.nextPipe(type, mDpy, Overlay::MIXER_DEFAULT);
     93         if(dest == ovutils::OV_INVALID) { //None available
     94             ALOGE("%s: No pipes available to configure framebuffer",
     95                 __FUNCTION__);
     96             return false;
     97         }
     98 
     99         mDest = dest;
    100 
    101         ovutils::eMdpFlags mdpFlags = ovutils::OV_MDP_BLEND_FG_PREMULT;
    102 
    103         ovutils::eZorder zOrder = static_cast<ovutils::eZorder>(fbZorder);
    104 
    105         //XXX: FB layer plane alpha is currently sent as zero from
    106         //surfaceflinger
    107         ovutils::PipeArgs parg(mdpFlags,
    108                 info,
    109                 zOrder,
    110                 ovutils::IS_FG_OFF,
    111                 ovutils::ROT_FLAGS_NONE,
    112                 ovutils::DEFAULT_PLANE_ALPHA,
    113                 (ovutils::eBlending) getBlending(layer->blending));
    114         ov.setSource(parg, dest);
    115 
    116         hwc_rect_t sourceCrop;
    117         getNonWormholeRegion(list, sourceCrop);
    118         // x,y,w,h
    119         ovutils::Dim dcrop(sourceCrop.left, sourceCrop.top,
    120                            sourceCrop.right - sourceCrop.left,
    121                            sourceCrop.bottom - sourceCrop.top);
    122         ov.setCrop(dcrop, dest);
    123 
    124         int transform = layer->transform;
    125         ovutils::eTransform orient =
    126             static_cast<ovutils::eTransform>(transform);
    127         ov.setTransform(orient, dest);
    128 
    129         if(!qdutils::MDPVersion::getInstance().is8x26()) {
    130             getNonWormholeRegion(list, sourceCrop);
    131         }
    132 
    133         displayFrame = sourceCrop;
    134         ovutils::Dim dpos(displayFrame.left,
    135                           displayFrame.top,
    136                           displayFrame.right - displayFrame.left,
    137                           displayFrame.bottom - displayFrame.top);
    138 
    139         if(mDpy && !qdutils::MDPVersion::getInstance().is8x26())
    140             // Calculate the actionsafe dimensions for External(dpy = 1 or 2)
    141             getActionSafePosition(ctx, mDpy, dpos.x, dpos.y, dpos.w, dpos.h);
    142         ov.setPosition(dpos, dest);
    143 
    144         ret = true;
    145         if (!ov.commit(dest)) {
    146             ALOGE("%s: commit fails", __FUNCTION__);
    147             ret = false;
    148         }
    149     }
    150     return ret;
    151 }
    152 
    153 bool FBUpdateLowRes::draw(hwc_context_t *ctx, private_handle_t *hnd)
    154 {
    155     if(!mModeOn) {
    156         return true;
    157     }
    158     bool ret = true;
    159     overlay::Overlay& ov = *(ctx->mOverlay);
    160     ovutils::eDest dest = mDest;
    161     if (!ov.queueBuffer(hnd->fd, hnd->offset, dest)) {
    162         ALOGE("%s: queueBuffer failed for FBUpdate", __FUNCTION__);
    163         ret = false;
    164     }
    165     return ret;
    166 }
    167 
    168 //================= High res====================================
    169 FBUpdateHighRes::FBUpdateHighRes(const int& dpy): IFBUpdate(dpy) {}
    170 
    171 inline void FBUpdateHighRes::reset() {
    172     IFBUpdate::reset();
    173     mDestLeft = ovutils::OV_INVALID;
    174     mDestRight = ovutils::OV_INVALID;
    175 }
    176 
    177 bool FBUpdateHighRes::prepare(hwc_context_t *ctx, hwc_display_contents_1 *list,
    178                               int fbZorder) {
    179     if(!ctx->mMDP.hasOverlay) {
    180         ALOGD_IF(DEBUG_FBUPDATE, "%s, this hw doesnt support overlays",
    181                  __FUNCTION__);
    182         return false;
    183     }
    184     ALOGD_IF(DEBUG_FBUPDATE, "%s, mModeOn = %d", __FUNCTION__, mModeOn);
    185     mModeOn = configure(ctx, list, fbZorder);
    186     return mModeOn;
    187 }
    188 
    189 // Configure
    190 bool FBUpdateHighRes::configure(hwc_context_t *ctx,
    191         hwc_display_contents_1 *list, int fbZorder) {
    192     bool ret = false;
    193     hwc_layer_1_t *layer = &list->hwLayers[list->numHwLayers - 1];
    194     if (LIKELY(ctx->mOverlay)) {
    195         overlay::Overlay& ov = *(ctx->mOverlay);
    196         hwc_rect_t displayFrame = layer->displayFrame;
    197         int alignedWidth = 0;
    198         int alignedHeight = 0;
    199 
    200         getBufferSizeAndDimensions(displayFrame.right - displayFrame.left,
    201                 displayFrame.bottom - displayFrame.top,
    202                 HAL_PIXEL_FORMAT_RGBA_8888,
    203                 alignedWidth,
    204                 alignedHeight);
    205 
    206         ovutils::Whf info(alignedWidth,
    207                 alignedHeight,
    208                 ovutils::getMdpFormat(HAL_PIXEL_FORMAT_RGBA_8888));
    209 
    210         //Request left pipe
    211         ovutils::eDest destL = ov.nextPipe(ovutils::OV_MDP_PIPE_ANY, mDpy,
    212                 Overlay::MIXER_LEFT);
    213         if(destL == ovutils::OV_INVALID) { //None available
    214             ALOGE("%s: No pipes available to configure framebuffer",
    215                 __FUNCTION__);
    216             return false;
    217         }
    218         //Request right pipe
    219         ovutils::eDest destR = ov.nextPipe(ovutils::OV_MDP_PIPE_ANY, mDpy,
    220                 Overlay::MIXER_RIGHT);
    221         if(destR == ovutils::OV_INVALID) { //None available
    222             ALOGE("%s: No pipes available to configure framebuffer",
    223                 __FUNCTION__);
    224             return false;
    225         }
    226 
    227         mDestLeft = destL;
    228         mDestRight = destR;
    229 
    230         ovutils::eMdpFlags mdpFlagsL = ovutils::OV_MDP_BLEND_FG_PREMULT;
    231 
    232         ovutils::eZorder zOrder = static_cast<ovutils::eZorder>(fbZorder);
    233 
    234         //XXX: FB layer plane alpha is currently sent as zero from
    235         //surfaceflinger
    236         ovutils::PipeArgs pargL(mdpFlagsL,
    237                 info,
    238                 zOrder,
    239                 ovutils::IS_FG_OFF,
    240                 ovutils::ROT_FLAGS_NONE,
    241                 ovutils::DEFAULT_PLANE_ALPHA,
    242                 (ovutils::eBlending) getBlending(layer->blending));
    243         ov.setSource(pargL, destL);
    244 
    245         ovutils::eMdpFlags mdpFlagsR = mdpFlagsL;
    246         ovutils::setMdpFlags(mdpFlagsR, ovutils::OV_MDSS_MDP_RIGHT_MIXER);
    247         ovutils::PipeArgs pargR(mdpFlagsR,
    248                 info,
    249                 zOrder,
    250                 ovutils::IS_FG_OFF,
    251                 ovutils::ROT_FLAGS_NONE,
    252                 ovutils::DEFAULT_PLANE_ALPHA,
    253                 (ovutils::eBlending) getBlending(layer->blending));
    254         ov.setSource(pargR, destR);
    255 
    256         hwc_rect_t sourceCrop = integerizeSourceCrop(layer->sourceCropf);
    257 
    258         const float xres = ctx->dpyAttr[mDpy].xres;
    259         const int lSplit = getLeftSplit(ctx, mDpy);
    260         const float lSplitRatio = lSplit / xres;
    261         const float lCropWidth =
    262                 (sourceCrop.right - sourceCrop.left) * lSplitRatio;
    263 
    264         ovutils::Dim dcropL(
    265                 sourceCrop.left,
    266                 sourceCrop.top,
    267                 lCropWidth,
    268                 sourceCrop.bottom - sourceCrop.top);
    269 
    270         ovutils::Dim dcropR(
    271                 sourceCrop.left + lCropWidth,
    272                 sourceCrop.top,
    273                 (sourceCrop.right - sourceCrop.left) - lCropWidth,
    274                 sourceCrop.bottom - sourceCrop.top);
    275 
    276         ov.setCrop(dcropL, destL);
    277         ov.setCrop(dcropR, destR);
    278 
    279         int transform = layer->transform;
    280         ovutils::eTransform orient =
    281             static_cast<ovutils::eTransform>(transform);
    282         ov.setTransform(orient, destL);
    283         ov.setTransform(orient, destR);
    284 
    285         const int lWidth = (lSplit - displayFrame.left);
    286         const int rWidth = (displayFrame.right - lSplit);
    287         const int height = displayFrame.bottom - displayFrame.top;
    288 
    289         ovutils::Dim dposL(displayFrame.left,
    290                            displayFrame.top,
    291                            lWidth,
    292                            height);
    293         ov.setPosition(dposL, destL);
    294 
    295         ovutils::Dim dposR(0,
    296                            displayFrame.top,
    297                            rWidth,
    298                            height);
    299         ov.setPosition(dposR, destR);
    300 
    301         ret = true;
    302         if (!ov.commit(destL)) {
    303             ALOGE("%s: commit fails for left", __FUNCTION__);
    304             ret = false;
    305         }
    306         if (!ov.commit(destR)) {
    307             ALOGE("%s: commit fails for right", __FUNCTION__);
    308             ret = false;
    309         }
    310     }
    311     return ret;
    312 }
    313 
    314 bool FBUpdateHighRes::draw(hwc_context_t *ctx, private_handle_t *hnd)
    315 {
    316     if(!mModeOn) {
    317         return true;
    318     }
    319     bool ret = true;
    320     overlay::Overlay& ov = *(ctx->mOverlay);
    321     ovutils::eDest destL = mDestLeft;
    322     ovutils::eDest destR = mDestRight;
    323     if (!ov.queueBuffer(hnd->fd, hnd->offset, destL)) {
    324         ALOGE("%s: queue failed for left of dpy = %d",
    325               __FUNCTION__, mDpy);
    326         ret = false;
    327     }
    328     if (!ov.queueBuffer(hnd->fd, hnd->offset, destR)) {
    329         ALOGE("%s: queue failed for right of dpy = %d",
    330               __FUNCTION__, mDpy);
    331         ret = false;
    332     }
    333     return ret;
    334 }
    335 
    336 //---------------------------------------------------------------------
    337 }; //namespace qhwc
    338