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 retained
6  * for attribution purposes only.
7  *
8  * Licensed under the Apache License, Version 2.0 (the "License");
9  * you may not use this file except in compliance with the License.
10  * You may obtain a copy of the License at
11  *
12  *      http://www.apache.org/licenses/LICENSE-2.0
13  *
14  * Unless required by applicable law or agreed to in writing, software
15  * distributed under the License is distributed on an "AS IS" BASIS,
16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17  * See the License for the specific language governing permissions and
18  * limitations under the License.
19  */
20 #define HWC_UTILS_DEBUG 0
21 #include <sys/ioctl.h>
22 #include <binder/IServiceManager.h>
23 #include <EGL/egl.h>
24 #include <cutils/properties.h>
25 #include <gralloc_priv.h>
26 #include <overlay.h>
27 #include <overlayRotator.h>
28 #include "hwc_utils.h"
29 #include "hwc_mdpcomp.h"
30 #include "hwc_fbupdate.h"
31 #include "mdp_version.h"
32 #include "hwc_copybit.h"
33 #include "external.h"
34 #include "hwc_qclient.h"
35 #include "QService.h"
36 #include "comptype.h"
37 
38 using namespace qClient;
39 using namespace qService;
40 using namespace android;
41 using namespace overlay;
42 using namespace overlay::utils;
43 namespace ovutils = overlay::utils;
44 
45 namespace qhwc {
46 
openFramebufferDevice(hwc_context_t * ctx)47 static int openFramebufferDevice(hwc_context_t *ctx)
48 {
49     struct fb_fix_screeninfo finfo;
50     struct fb_var_screeninfo info;
51 
52     int fb_fd = openFb(HWC_DISPLAY_PRIMARY);
53 
54     if (ioctl(fb_fd, FBIOGET_VSCREENINFO, &info) == -1)
55         return -errno;
56 
57     if (int(info.width) <= 0 || int(info.height) <= 0) {
58         // the driver doesn't return that information
59         // default to 160 dpi
60         info.width  = ((info.xres * 25.4f)/160.0f + 0.5f);
61         info.height = ((info.yres * 25.4f)/160.0f + 0.5f);
62     }
63 
64     float xdpi = (info.xres * 25.4f) / info.width;
65     float ydpi = (info.yres * 25.4f) / info.height;
66 
67 #ifdef MSMFB_METADATA_GET
68     struct msmfb_metadata metadata;
69     memset(&metadata, 0 , sizeof(metadata));
70     metadata.op = metadata_op_frame_rate;
71 
72     if (ioctl(fb_fd, MSMFB_METADATA_GET, &metadata) == -1) {
73         ALOGE("Error retrieving panel frame rate");
74         return -errno;
75     }
76 
77     float fps  = metadata.data.panel_frame_rate;
78 #else
79     //XXX: Remove reserved field usage on all baselines
80     //The reserved[3] field is used to store FPS by the driver.
81     float fps  = info.reserved[3] & 0xFF;
82 #endif
83 
84     if (ioctl(fb_fd, FBIOGET_FSCREENINFO, &finfo) == -1)
85         return -errno;
86 
87     if (finfo.smem_len <= 0)
88         return -errno;
89 
90     ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = fb_fd;
91     //xres, yres may not be 32 aligned
92     ctx->dpyAttr[HWC_DISPLAY_PRIMARY].stride = finfo.line_length /(info.xres/8);
93     ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres = info.xres;
94     ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres = info.yres;
95     ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xdpi = xdpi;
96     ctx->dpyAttr[HWC_DISPLAY_PRIMARY].ydpi = ydpi;
97     ctx->dpyAttr[HWC_DISPLAY_PRIMARY].vsync_period = 1000000000l / fps;
98 
99     //Unblank primary on first boot
100     if(ioctl(fb_fd, FBIOBLANK,FB_BLANK_UNBLANK) < 0) {
101         ALOGE("%s: Failed to unblank display", __FUNCTION__);
102         return -errno;
103     }
104     ctx->dpyAttr[HWC_DISPLAY_PRIMARY].isActive = true;
105 
106     return 0;
107 }
108 
ppdComm(const char * cmd,hwc_context_t * ctx)109 static int ppdComm(const char* cmd, hwc_context_t *ctx) {
110     int ret = -1;
111     ret = send(ctx->mCablProp.daemon_socket, cmd, strlen(cmd), MSG_NOSIGNAL);
112     if(ret < 0) {
113         if (errno == EPIPE) {
114             //For broken pipe case, we will close the socket and
115             //re-establish the connection
116             close(ctx->mCablProp.daemon_socket);
117             int daemon_socket = socket_local_client(DAEMON_SOCKET,
118                     ANDROID_SOCKET_NAMESPACE_RESERVED,
119                     SOCK_STREAM);
120             if(!daemon_socket) {
121                 ALOGE("Connecting to socket failed: %s", strerror(errno));
122                 ctx->mCablProp.enabled = false;
123                 return -1;
124             }
125             struct timeval timeout;
126             timeout.tv_sec = 1;//wait 1 second before timeout
127             timeout.tv_usec = 0;
128 
129             if (setsockopt(daemon_socket, SOL_SOCKET, SO_SNDTIMEO,
130                         (char*)&timeout, sizeof(timeout )) < 0)
131                 ALOGE("setsockopt failed");
132 
133             ctx->mCablProp.daemon_socket = daemon_socket;
134             //resend the cmd after connection is re-established
135             ret = send(ctx->mCablProp.daemon_socket, cmd, strlen(cmd),
136                        MSG_NOSIGNAL);
137             if (ret < 0) {
138                 ALOGE("Failed to send data over socket: %s",
139                         strerror(errno));
140                 return ret;
141             }
142         } else {
143             ALOGE("Failed to send data over socket: %s",
144                     strerror(errno));
145             return ret;
146         }
147     }
148     ALOGD_IF(HWC_UTILS_DEBUG, "%s: Sent command: %s", __FUNCTION__, cmd);
149     return 0;
150 }
151 
connectPPDaemon(hwc_context_t * ctx)152 static void connectPPDaemon(hwc_context_t *ctx)
153 {
154     char property[PROPERTY_VALUE_MAX];
155     if ((property_get("ro.qualcomm.cabl", property, NULL) > 0) &&
156         (atoi(property) == 1)) {
157         ALOGD("%s: CABL is enabled", __FUNCTION__);
158         ctx->mCablProp.enabled = true;
159     } else {
160         ALOGD("%s: CABL is disabled", __FUNCTION__);
161         ctx->mCablProp.enabled = false;
162         return;
163     }
164 
165     if ((property_get("persist.qcom.cabl.video_only", property, NULL) > 0) &&
166         (atoi(property) == 1)) {
167         ALOGD("%s: CABL is in video only mode", __FUNCTION__);
168         ctx->mCablProp.videoOnly = true;
169     } else {
170         ctx->mCablProp.videoOnly = false;
171     }
172 
173     int daemon_socket = socket_local_client(DAEMON_SOCKET,
174                                             ANDROID_SOCKET_NAMESPACE_RESERVED,
175                                             SOCK_STREAM);
176     if(!daemon_socket) {
177         ALOGE("Connecting to socket failed: %s", strerror(errno));
178         ctx->mCablProp.enabled = false;
179         return;
180     }
181     struct timeval timeout;
182     timeout.tv_sec = 1; //wait 1 second before timeout
183     timeout.tv_usec = 0;
184 
185     if (setsockopt(daemon_socket, SOL_SOCKET, SO_SNDTIMEO,
186         (char*)&timeout, sizeof(timeout )) < 0)
187         ALOGE("setsockopt failed");
188 
189     ctx->mCablProp.daemon_socket = daemon_socket;
190 }
191 
initContext(hwc_context_t * ctx)192 void initContext(hwc_context_t *ctx)
193 {
194     if(openFramebufferDevice(ctx) < 0) {
195         ALOGE("%s: failed to open framebuffer!!", __FUNCTION__);
196     }
197 
198     overlay::Overlay::initOverlay();
199     ctx->mOverlay = overlay::Overlay::getInstance();
200     ctx->mRotMgr = new RotMgr();
201     ctx->mMDP.version = qdutils::MDPVersion::getInstance().getMDPVersion();
202     ctx->mMDP.hasOverlay = qdutils::MDPVersion::getInstance().hasOverlay();
203     ctx->mMDP.panel = qdutils::MDPVersion::getInstance().getPanelType();
204     overlay::Overlay::initOverlay();
205     ctx->mOverlay = overlay::Overlay::getInstance();
206     ctx->mRotMgr = new RotMgr();
207 
208     //Is created and destroyed only once for primary
209     //For external it could get created and destroyed multiple times depending
210     //on what external we connect to.
211     ctx->mFBUpdate[HWC_DISPLAY_PRIMARY] =
212         IFBUpdate::getObject(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres,
213         HWC_DISPLAY_PRIMARY);
214 
215     // Check if the target supports copybit compostion (dyn/mdp/c2d) to
216     // decide if we need to open the copybit module.
217     int compositionType =
218         qdutils::QCCompositionType::getInstance().getCompositionType();
219 
220     if (compositionType & (qdutils::COMPOSITION_TYPE_DYN |
221                            qdutils::COMPOSITION_TYPE_MDP |
222                            qdutils::COMPOSITION_TYPE_C2D)) {
223             ctx->mCopyBit[HWC_DISPLAY_PRIMARY] = new CopyBit();
224     }
225 
226     ctx->mExtDisplay = new ExternalDisplay(ctx);
227 
228     for (uint32_t i = 0; i < MAX_DISPLAYS; i++) {
229         ctx->mLayerRotMap[i] = new LayerRotMap();
230     }
231 
232     ctx->mMDPComp[HWC_DISPLAY_PRIMARY] =
233          MDPComp::getObject(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres,
234          HWC_DISPLAY_PRIMARY);
235 
236     MDPComp::init(ctx);
237 
238     ctx->vstate.enable = false;
239     ctx->vstate.fakevsync = false;
240     ctx->mExtDispConfiguring = false;
241     ctx->mBasePipeSetup = false;
242 
243     //Right now hwc starts the service but anybody could do it, or it could be
244     //independent process as well.
245     QService::init();
246     sp<IQClient> client = new QClient(ctx);
247     interface_cast<IQService>(
248             defaultServiceManager()->getService(
249             String16("display.qservice")))->connect(client);
250 
251     ALOGI("Initializing Qualcomm Hardware Composer");
252     ALOGI("MDP version: %d", ctx->mMDP.version);
253 
254     connectPPDaemon(ctx);
255 }
256 
closeContext(hwc_context_t * ctx)257 void closeContext(hwc_context_t *ctx)
258 {
259     if(ctx->mOverlay) {
260         delete ctx->mOverlay;
261         ctx->mOverlay = NULL;
262     }
263 
264     if(ctx->mRotMgr) {
265         delete ctx->mRotMgr;
266         ctx->mRotMgr = NULL;
267     }
268 
269     for(int i = 0; i < MAX_DISPLAYS; i++) {
270         if(ctx->mCopyBit[i]) {
271             delete ctx->mCopyBit[i];
272             ctx->mCopyBit[i] = NULL;
273         }
274     }
275 
276     if(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd) {
277         close(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd);
278         ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = -1;
279     }
280 
281     if(ctx->mExtDisplay) {
282         delete ctx->mExtDisplay;
283         ctx->mExtDisplay = NULL;
284     }
285 
286     for(int i = 0; i < MAX_DISPLAYS; i++) {
287         if(ctx->mFBUpdate[i]) {
288             delete ctx->mFBUpdate[i];
289             ctx->mFBUpdate[i] = NULL;
290         }
291         if(ctx->mMDPComp[i]) {
292             delete ctx->mMDPComp[i];
293             ctx->mMDPComp[i] = NULL;
294         }
295         if(ctx->mLayerRotMap[i]) {
296             delete ctx->mLayerRotMap[i];
297             ctx->mLayerRotMap[i] = NULL;
298         }
299     }
300 }
301 
302 
dumpsys_log(android::String8 & buf,const char * fmt,...)303 void dumpsys_log(android::String8& buf, const char* fmt, ...)
304 {
305     va_list varargs;
306     va_start(varargs, fmt);
307     buf.appendFormatV(fmt, varargs);
308     va_end(varargs);
309 }
310 
311 /* Calculates the destination position based on the action safe rectangle */
getActionSafePosition(hwc_context_t * ctx,int dpy,uint32_t & x,uint32_t & y,uint32_t & w,uint32_t & h)312 void getActionSafePosition(hwc_context_t *ctx, int dpy, uint32_t& x,
313                            uint32_t& y, uint32_t& w, uint32_t& h) {
314 
315     // if external supports underscan, do nothing
316     // it will be taken care in the driver
317     if(ctx->mExtDisplay->isCEUnderscanSupported())
318         return;
319 
320     float wRatio = 1.0;
321     float hRatio = 1.0;
322     float xRatio = 1.0;
323     float yRatio = 1.0;
324 
325     float fbWidth = ctx->dpyAttr[dpy].xres;
326     float fbHeight = ctx->dpyAttr[dpy].yres;
327 
328     float asX = 0;
329     float asY = 0;
330     float asW = fbWidth;
331     float asH= fbHeight;
332     char value[PROPERTY_VALUE_MAX];
333 
334     // Apply action safe parameters
335     property_get("hw.actionsafe.width", value, "0");
336     int asWidthRatio = atoi(value);
337     property_get("hw.actionsafe.height", value, "0");
338     int asHeightRatio = atoi(value);
339     // based on the action safe ratio, get the Action safe rectangle
340     asW = fbWidth * (1.0f -  asWidthRatio / 100.0f);
341     asH = fbHeight * (1.0f -  asHeightRatio / 100.0f);
342     asX = (fbWidth - asW) / 2;
343     asY = (fbHeight - asH) / 2;
344 
345     // calculate the position ratio
346     xRatio = (float)x/fbWidth;
347     yRatio = (float)y/fbHeight;
348     wRatio = (float)w/fbWidth;
349     hRatio = (float)h/fbHeight;
350 
351     //Calculate the position...
352     x = (xRatio * asW) + asX;
353     y = (yRatio * asH) + asY;
354     w = (wRatio * asW);
355     h = (hRatio * asH);
356 
357     return;
358 }
359 
needsScaling(hwc_layer_1_t const * layer)360 bool needsScaling(hwc_layer_1_t const* layer) {
361     int dst_w, dst_h, src_w, src_h;
362 
363     hwc_rect_t displayFrame  = layer->displayFrame;
364     hwc_rect_t sourceCrop = layer->sourceCrop;
365 
366     dst_w = displayFrame.right - displayFrame.left;
367     dst_h = displayFrame.bottom - displayFrame.top;
368 
369     src_w = sourceCrop.right - sourceCrop.left;
370     src_h = sourceCrop.bottom - sourceCrop.top;
371 
372     if(((src_w != dst_w) || (src_h != dst_h)))
373         return true;
374 
375     return false;
376 }
377 
isAlphaScaled(hwc_layer_1_t const * layer)378 bool isAlphaScaled(hwc_layer_1_t const* layer) {
379     if(needsScaling(layer) && isAlphaPresent(layer)) {
380         return true;
381     }
382     return false;
383 }
384 
isAlphaPresent(hwc_layer_1_t const * layer)385 bool isAlphaPresent(hwc_layer_1_t const* layer) {
386     private_handle_t *hnd = (private_handle_t *)layer->handle;
387     if(hnd) {
388         int format = hnd->format;
389         switch(format) {
390         case HAL_PIXEL_FORMAT_RGBA_8888:
391         case HAL_PIXEL_FORMAT_BGRA_8888:
392             // In any more formats with Alpha go here..
393             return true;
394         default : return false;
395         }
396     }
397     return false;
398 }
399 
400 // Switch ppd on/off for YUV
configurePPD(hwc_context_t * ctx,int yuvCount)401 static void configurePPD(hwc_context_t *ctx, int yuvCount) {
402     if (!ctx->mCablProp.enabled)
403         return;
404 
405     if (yuvCount > 0 && !ctx->mCablProp.start) {
406         ctx->mCablProp.start = true;
407         if(ctx->mCablProp.videoOnly)
408             ppdComm("cabl:on", ctx);
409         else
410             ppdComm("cabl:yuv_on", ctx);
411 
412     } else if (yuvCount == 0 && ctx->mCablProp.start) {
413         ctx->mCablProp.start = false;
414         if(ctx->mCablProp.videoOnly)
415             ppdComm("cabl:off", ctx);
416         else
417             ppdComm("cabl:yuv_off", ctx);
418         return;
419     }
420 }
421 
setListStats(hwc_context_t * ctx,const hwc_display_contents_1_t * list,int dpy)422 void setListStats(hwc_context_t *ctx,
423         const hwc_display_contents_1_t *list, int dpy) {
424     const int prevYuvCount = ctx->listStats[dpy].yuvCount;
425     ctx->listStats[dpy].numAppLayers = list->numHwLayers - 1;
426     ctx->listStats[dpy].fbLayerIndex = list->numHwLayers - 1;
427     ctx->listStats[dpy].skipCount = 0;
428     ctx->listStats[dpy].needsAlphaScale = false;
429     ctx->listStats[dpy].preMultipliedAlpha = false;
430     ctx->listStats[dpy].planeAlpha = false;
431     ctx->listStats[dpy].yuvCount = 0;
432 
433     //reset yuv indices
434     memset(ctx->listStats[dpy].yuvIndices, -1, MAX_NUM_APP_LAYERS);
435 
436     for (size_t i = 0; i < (list->numHwLayers - 1); i++) {
437         hwc_layer_1_t const* layer = &list->hwLayers[i];
438         private_handle_t *hnd = (private_handle_t *)layer->handle;
439 
440         // continue if i reaches MAX_NUM_APP_LAYERS
441         if(i >= MAX_NUM_APP_LAYERS)
442             continue;
443 
444         if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
445             continue;
446         //We disregard FB being skip for now! so the else if
447         } else if (isSkipLayer(&list->hwLayers[i])) {
448             ctx->listStats[dpy].skipCount++;
449         } else if (UNLIKELY(isYuvBuffer(hnd))) {
450             int& yuvCount = ctx->listStats[dpy].yuvCount;
451             ctx->listStats[dpy].yuvIndices[yuvCount] = i;
452             yuvCount++;
453 
454             if(layer->transform & HWC_TRANSFORM_ROT_90)
455                 ctx->mNeedsRotator = true;
456         }
457         if(layer->blending == HWC_BLENDING_PREMULT)
458             ctx->listStats[dpy].preMultipliedAlpha = true;
459         if(layer->planeAlpha < 0xFF)
460             ctx->listStats[dpy].planeAlpha = true;
461         if(!ctx->listStats[dpy].needsAlphaScale)
462             ctx->listStats[dpy].needsAlphaScale = isAlphaScaled(layer);
463     }
464 
465     //The marking of video begin/end is useful on some targets where we need
466     //to have a padding round to be able to shift pipes across mixers.
467     if(prevYuvCount != ctx->listStats[dpy].yuvCount) {
468         ctx->mVideoTransFlag = true;
469     }
470 
471     if (dpy == HWC_DISPLAY_PRIMARY)
472         configurePPD(ctx, ctx->listStats[dpy].yuvCount);
473 }
474 
475 
calc_cut(float & leftCutRatio,float & topCutRatio,float & rightCutRatio,float & bottomCutRatio,int orient)476 static inline void calc_cut(float& leftCutRatio, float& topCutRatio,
477         float& rightCutRatio, float& bottomCutRatio, int orient) {
478     if(orient & HAL_TRANSFORM_FLIP_H) {
479         swap(leftCutRatio, rightCutRatio);
480     }
481     if(orient & HAL_TRANSFORM_FLIP_V) {
482         swap(topCutRatio, bottomCutRatio);
483     }
484     if(orient & HAL_TRANSFORM_ROT_90) {
485         //Anti clock swapping
486         float tmpCutRatio = leftCutRatio;
487         leftCutRatio = topCutRatio;
488         topCutRatio = rightCutRatio;
489         rightCutRatio = bottomCutRatio;
490         bottomCutRatio = tmpCutRatio;
491     }
492 }
493 
isSecuring(hwc_context_t * ctx,hwc_layer_1_t const * layer)494 bool isSecuring(hwc_context_t* ctx, hwc_layer_1_t const* layer) {
495     if((ctx->mMDP.version < qdutils::MDSS_V5) &&
496        (ctx->mMDP.version > qdutils::MDP_V3_0) &&
497         ctx->mSecuring) {
498         return true;
499     }
500     //  On A-Family, Secure policy is applied system wide and not on
501     //  buffers.
502     if (isSecureModePolicy(ctx->mMDP.version)) {
503         private_handle_t *hnd = (private_handle_t *)layer->handle;
504         if(ctx->mSecureMode) {
505             if (! isSecureBuffer(hnd)) {
506                 // This code path executes for the following usecase:
507                 // Some Apps in which first few seconds, framework
508                 // sends non-secure buffer and with out destroying
509                 // surfaces, switches to secure buffer thereby exposing
510                 // vulnerability on A-family devices. Catch this situation
511                 // and handle it gracefully by allowing it to be composed by
512                 // GPU.
513                 ALOGD_IF(HWC_UTILS_DEBUG, "%s: Handle non-secure video layer"
514                          "during secure playback gracefully", __FUNCTION__);
515                 return true;
516             }
517         } else {
518             if (isSecureBuffer(hnd)) {
519                 // This code path executes for the following usecase:
520                 // For some Apps, when User terminates playback, Framework
521                 // doesnt destroy video surface and video surface still
522                 // comes to Display HAL. This exposes vulnerability on
523                 // A-family. Catch this situation and handle it gracefully
524                 // by allowing it to be composed by GPU.
525                 ALOGD_IF(HWC_UTILS_DEBUG, "%s: Handle secure video layer"
526                          "during non-secure playback gracefully", __FUNCTION__);
527                 return true;
528             }
529         }
530     }
531     return false;
532 }
533 
isSecureModePolicy(int mdpVersion)534 bool isSecureModePolicy(int mdpVersion) {
535     if (mdpVersion < qdutils::MDSS_V5)
536         return true;
537     else
538         return false;
539 }
540 
getBlending(int blending)541 int getBlending(int blending) {
542     switch(blending) {
543     case HWC_BLENDING_NONE:
544         return overlay::utils::OVERLAY_BLENDING_OPAQUE;
545     case HWC_BLENDING_PREMULT:
546         return overlay::utils::OVERLAY_BLENDING_PREMULT;
547     case HWC_BLENDING_COVERAGE :
548     default:
549         return overlay::utils::OVERLAY_BLENDING_COVERAGE;
550     }
551 }
552 
553 //Crops source buffer against destination and FB boundaries
calculate_crop_rects(hwc_rect_t & crop,hwc_rect_t & dst,const hwc_rect_t & scissor,int orient)554 void calculate_crop_rects(hwc_rect_t& crop, hwc_rect_t& dst,
555                           const hwc_rect_t& scissor, int orient) {
556 
557     int& crop_l = crop.left;
558     int& crop_t = crop.top;
559     int& crop_r = crop.right;
560     int& crop_b = crop.bottom;
561     int crop_w = crop.right - crop.left;
562     int crop_h = crop.bottom - crop.top;
563 
564     int& dst_l = dst.left;
565     int& dst_t = dst.top;
566     int& dst_r = dst.right;
567     int& dst_b = dst.bottom;
568     int dst_w = abs(dst.right - dst.left);
569     int dst_h = abs(dst.bottom - dst.top);
570 
571     const int& sci_l = scissor.left;
572     const int& sci_t = scissor.top;
573     const int& sci_r = scissor.right;
574     const int& sci_b = scissor.bottom;
575 
576     float leftCutRatio = 0.0f, rightCutRatio = 0.0f, topCutRatio = 0.0f,
577             bottomCutRatio = 0.0f;
578 
579     if(dst_l < sci_l) {
580         leftCutRatio = (float)(sci_l - dst_l) / (float)dst_w;
581         dst_l = sci_l;
582     }
583 
584     if(dst_r > sci_r) {
585         rightCutRatio = (float)(dst_r - sci_r) / (float)dst_w;
586         dst_r = sci_r;
587     }
588 
589     if(dst_t < sci_t) {
590         topCutRatio = (float)(sci_t - dst_t) / (float)dst_h;
591         dst_t = sci_t;
592     }
593 
594     if(dst_b > sci_b) {
595         bottomCutRatio = (float)(dst_b - sci_b) / (float)dst_h;
596         dst_b = sci_b;
597     }
598 
599     calc_cut(leftCutRatio, topCutRatio, rightCutRatio, bottomCutRatio, orient);
600     crop_l += crop_w * leftCutRatio;
601     crop_t += crop_h * topCutRatio;
602     crop_r -= crop_w * rightCutRatio;
603     crop_b -= crop_h * bottomCutRatio;
604 }
605 
getNonWormholeRegion(hwc_display_contents_1_t * list,hwc_rect_t & nwr)606 void getNonWormholeRegion(hwc_display_contents_1_t* list,
607                               hwc_rect_t& nwr)
608 {
609     uint32_t last = list->numHwLayers - 1;
610     hwc_rect_t fbDisplayFrame = list->hwLayers[last].displayFrame;
611     //Initiliaze nwr to first frame
612     nwr.left =  list->hwLayers[0].displayFrame.left;
613     nwr.top =  list->hwLayers[0].displayFrame.top;
614     nwr.right =  list->hwLayers[0].displayFrame.right;
615     nwr.bottom =  list->hwLayers[0].displayFrame.bottom;
616 
617     for (uint32_t i = 1; i < last; i++) {
618         hwc_rect_t displayFrame = list->hwLayers[i].displayFrame;
619         nwr.left   = min(nwr.left, displayFrame.left);
620         nwr.top    = min(nwr.top, displayFrame.top);
621         nwr.right  = max(nwr.right, displayFrame.right);
622         nwr.bottom = max(nwr.bottom, displayFrame.bottom);
623     }
624 
625     //Intersect with the framebuffer
626     nwr.left   = max(nwr.left, fbDisplayFrame.left);
627     nwr.top    = max(nwr.top, fbDisplayFrame.top);
628     nwr.right  = min(nwr.right, fbDisplayFrame.right);
629     nwr.bottom = min(nwr.bottom, fbDisplayFrame.bottom);
630 
631 }
632 
isExternalActive(hwc_context_t * ctx)633 bool isExternalActive(hwc_context_t* ctx) {
634     return ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].isActive;
635 }
636 
closeAcquireFds(hwc_display_contents_1_t * list)637 void closeAcquireFds(hwc_display_contents_1_t* list) {
638     if(LIKELY(list)) {
639         for(uint32_t i = 0; i < list->numHwLayers; i++) {
640             //Close the acquireFenceFds
641             //HWC_FRAMEBUFFER are -1 already by SF, rest we close.
642             if(list->hwLayers[i].acquireFenceFd >= 0) {
643                 close(list->hwLayers[i].acquireFenceFd);
644                 list->hwLayers[i].acquireFenceFd = -1;
645             }
646         }
647     }
648 }
649 
hwc_sync(hwc_context_t * ctx,hwc_display_contents_1_t * list,int dpy,int fd)650 int hwc_sync(hwc_context_t *ctx, hwc_display_contents_1_t* list, int dpy,
651         int fd) {
652     int ret = 0;
653     int acquireFd[MAX_NUM_APP_LAYERS];
654     int count = 0;
655     int releaseFd = -1;
656     int retireFd = -1;
657     int fbFd = -1;
658     bool swapzero = false;
659     int mdpVersion = qdutils::MDPVersion::getInstance().getMDPVersion();
660 
661     struct mdp_buf_sync data;
662     memset(&data, 0, sizeof(data));
663     //Until B-family supports sync for rotator
664     if(mdpVersion >= qdutils::MDSS_V5) {
665         data.flags = MDP_BUF_SYNC_FLAG_WAIT;
666     }
667     data.acq_fen_fd = acquireFd;
668     data.rel_fen_fd = &releaseFd;
669     data.retire_fen_fd = &retireFd;
670 
671     char property[PROPERTY_VALUE_MAX];
672     if(property_get("debug.egl.swapinterval", property, "1") > 0) {
673         if(atoi(property) == 0)
674             swapzero = true;
675     }
676 
677 #ifndef MDSS_TARGET
678     //Send acquireFenceFds to rotator
679     if(mdpVersion < qdutils::MDSS_V5) {
680         //A-family
681         int rotFd = ctx->mRotMgr->getRotDevFd();
682         struct msm_rotator_buf_sync rotData;
683 
684         for(uint32_t i = 0; i < ctx->mLayerRotMap[dpy]->getCount(); i++) {
685             memset(&rotData, 0, sizeof(rotData));
686             int& acquireFenceFd =
687                 ctx->mLayerRotMap[dpy]->getLayer(i)->acquireFenceFd;
688             rotData.acq_fen_fd = acquireFenceFd;
689             rotData.session_id = ctx->mLayerRotMap[dpy]->getRot(i)->getSessId();
690             ioctl(rotFd, MSM_ROTATOR_IOCTL_BUFFER_SYNC, &rotData);
691             close(acquireFenceFd);
692              //For MDP to wait on.
693             acquireFenceFd = dup(rotData.rel_fen_fd);
694             //A buffer is free to be used by producer as soon as its copied to
695             //rotator.
696             ctx->mLayerRotMap[dpy]->getLayer(i)->releaseFenceFd =
697                     rotData.rel_fen_fd;
698         }
699     } else {
700         //TODO B-family
701     }
702 
703 #endif
704     //Accumulate acquireFenceFds for MDP
705     for(uint32_t i = 0; i < list->numHwLayers; i++) {
706         if(list->hwLayers[i].compositionType == HWC_OVERLAY &&
707                         list->hwLayers[i].acquireFenceFd >= 0) {
708             if(UNLIKELY(swapzero))
709                 acquireFd[count++] = -1;
710             else
711                 acquireFd[count++] = list->hwLayers[i].acquireFenceFd;
712         }
713         if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
714             if(UNLIKELY(swapzero))
715                 acquireFd[count++] = -1;
716             else if(fd >= 0) {
717                 //set the acquireFD from fd - which is coming from c2d
718                 acquireFd[count++] = fd;
719                 // Buffer sync IOCTL should be async when using c2d fence is
720                 // used
721                 data.flags &= ~MDP_BUF_SYNC_FLAG_WAIT;
722             } else if(list->hwLayers[i].acquireFenceFd >= 0)
723                 acquireFd[count++] = list->hwLayers[i].acquireFenceFd;
724         }
725     }
726 
727     data.acq_fen_fd_cnt = count;
728     fbFd = ctx->dpyAttr[dpy].fd;
729 
730     //Waits for acquire fences, returns a release fence
731     if(LIKELY(!swapzero)) {
732         uint64_t start = systemTime();
733         ret = ioctl(fbFd, MSMFB_BUFFER_SYNC, &data);
734         ALOGD_IF(HWC_UTILS_DEBUG, "%s: time taken for MSMFB_BUFFER_SYNC IOCTL = %d",
735                             __FUNCTION__, (size_t) ns2ms(systemTime() - start));
736     }
737 
738     if(ret < 0) {
739         ALOGE("ioctl MSMFB_BUFFER_SYNC failed, err=%s",
740                 strerror(errno));
741     }
742 
743     for(uint32_t i = 0; i < list->numHwLayers; i++) {
744         if(list->hwLayers[i].compositionType == HWC_OVERLAY ||
745            list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
746             //Populate releaseFenceFds.
747             if(UNLIKELY(swapzero)) {
748                 list->hwLayers[i].releaseFenceFd = -1;
749             } else if(list->hwLayers[i].releaseFenceFd < 0) {
750                 //If rotator has not already populated this field.
751                 list->hwLayers[i].releaseFenceFd = dup(releaseFd);
752             }
753         }
754     }
755 
756     if(fd >= 0) {
757         close(fd);
758         fd = -1;
759     }
760 
761     if (ctx->mCopyBit[dpy])
762         ctx->mCopyBit[dpy]->setReleaseFd(releaseFd);
763 
764     //A-family
765     if(mdpVersion < qdutils::MDSS_V5) {
766         //Signals when MDP finishes reading rotator buffers.
767         ctx->mLayerRotMap[dpy]->setReleaseFd(releaseFd);
768     }
769     close(releaseFd);
770     if(UNLIKELY(swapzero))
771         list->retireFenceFd = -1;
772     else
773         list->retireFenceFd = retireFd;
774     return ret;
775 }
776 
trimLayer(hwc_context_t * ctx,const int & dpy,const int & transform,hwc_rect_t & crop,hwc_rect_t & dst)777 void trimLayer(hwc_context_t *ctx, const int& dpy, const int& transform,
778         hwc_rect_t& crop, hwc_rect_t& dst) {
779     int hw_w = ctx->dpyAttr[dpy].xres;
780     int hw_h = ctx->dpyAttr[dpy].yres;
781     if(dst.left < 0 || dst.top < 0 ||
782             dst.right > hw_w || dst.bottom > hw_h) {
783         hwc_rect_t scissor = {0, 0, hw_w, hw_h };
784         qhwc::calculate_crop_rects(crop, dst, scissor, transform);
785     }
786 }
787 
setMdpFlags(hwc_layer_1_t * layer,ovutils::eMdpFlags & mdpFlags,int rotDownscale)788 void setMdpFlags(hwc_layer_1_t *layer,
789         ovutils::eMdpFlags &mdpFlags,
790         int rotDownscale) {
791     private_handle_t *hnd = (private_handle_t *)layer->handle;
792     MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
793     const int& transform = layer->transform;
794 
795     if(layer->blending == HWC_BLENDING_PREMULT) {
796         ovutils::setMdpFlags(mdpFlags,
797                 ovutils::OV_MDP_BLEND_FG_PREMULT);
798     }
799 
800     if(isYuvBuffer(hnd)) {
801         if(isSecureBuffer(hnd)) {
802             ovutils::setMdpFlags(mdpFlags,
803                     ovutils::OV_MDP_SECURE_OVERLAY_SESSION);
804         }
805         if(metadata && (metadata->operation & PP_PARAM_INTERLACED) &&
806                 metadata->interlaced) {
807             ovutils::setMdpFlags(mdpFlags,
808                     ovutils::OV_MDP_DEINTERLACE);
809         }
810         //Pre-rotation will be used using rotator.
811         if(transform & HWC_TRANSFORM_ROT_90) {
812             ovutils::setMdpFlags(mdpFlags,
813                     ovutils::OV_MDP_SOURCE_ROTATED_90);
814         }
815     }
816 
817     //No 90 component and no rot-downscale then flips done by MDP
818     //If we use rot then it might as well do flips
819     if(!(layer->transform & HWC_TRANSFORM_ROT_90) && !rotDownscale) {
820         if(layer->transform & HWC_TRANSFORM_FLIP_H) {
821             ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_FLIP_H);
822         }
823 
824         if(layer->transform & HWC_TRANSFORM_FLIP_V) {
825             ovutils::setMdpFlags(mdpFlags,  ovutils::OV_MDP_FLIP_V);
826         }
827     }
828 
829     if(metadata &&
830         ((metadata->operation & PP_PARAM_HSIC)
831         || (metadata->operation & PP_PARAM_IGC)
832         || (metadata->operation & PP_PARAM_SHARP2))) {
833         ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_PP_EN);
834     }
835 }
836 
configRotator(Rotator * rot,const Whf & whf,const Whf & origWhf,const eMdpFlags & mdpFlags,const eTransform & orient,const int & downscale)837 static inline int configRotator(Rotator *rot, const Whf& whf,
838         const Whf& origWhf, const eMdpFlags& mdpFlags,
839         const eTransform& orient,
840         const int& downscale) {
841     rot->setSource(whf, origWhf);
842     rot->setFlags(mdpFlags);
843     rot->setTransform(orient);
844     rot->setDownscale(downscale);
845     if(!rot->commit()) return -1;
846     return 0;
847 }
848 
849 /*
850  * Sets up BORDERFILL as default base pipe and detaches RGB0.
851  * Framebuffer is always updated using PLAY ioctl.
852  */
setupBasePipe(hwc_context_t * ctx)853 bool setupBasePipe(hwc_context_t *ctx) {
854     const int dpy = HWC_DISPLAY_PRIMARY;
855     int fb_width = ctx->dpyAttr[dpy].xres;
856     int fb_height = ctx->dpyAttr[dpy].yres;
857     int fb_fd = ctx->dpyAttr[dpy].fd;
858 
859     mdp_overlay ovInfo;
860     msmfb_overlay_data ovData;
861     memset(&ovInfo, 0, sizeof(mdp_overlay));
862     memset(&ovData, 0, sizeof(msmfb_overlay_data));
863 
864     ovInfo.src.format = MDP_RGB_BORDERFILL;
865     ovInfo.src.width  = fb_width;
866     ovInfo.src.height = fb_height;
867     ovInfo.src_rect.w = fb_width;
868     ovInfo.src_rect.h = fb_height;
869     ovInfo.dst_rect.w = fb_width;
870     ovInfo.dst_rect.h = fb_height;
871     ovInfo.id = MSMFB_NEW_REQUEST;
872 
873     if (ioctl(fb_fd, MSMFB_OVERLAY_SET, &ovInfo) < 0) {
874         ALOGE("Failed to call ioctl MSMFB_OVERLAY_SET err=%s",
875                 strerror(errno));
876         return false;
877     }
878 
879     ovData.id = ovInfo.id;
880     if (ioctl(fb_fd, MSMFB_OVERLAY_PLAY, &ovData) < 0) {
881         ALOGE("Failed to call ioctl MSMFB_OVERLAY_PLAY err=%s",
882                 strerror(errno));
883         return false;
884     }
885     ctx->mBasePipeSetup = true;
886     return true;
887 }
888 
889 
configMdp(Overlay * ov,const PipeArgs & parg,const eTransform & orient,const hwc_rect_t & crop,const hwc_rect_t & pos,const MetaData_t * metadata,const eDest & dest)890 static inline int configMdp(Overlay *ov, const PipeArgs& parg,
891         const eTransform& orient, const hwc_rect_t& crop,
892         const hwc_rect_t& pos, const MetaData_t *metadata,
893         const eDest& dest) {
894     ov->setSource(parg, dest);
895     ov->setTransform(orient, dest);
896 
897     int crop_w = crop.right - crop.left;
898     int crop_h = crop.bottom - crop.top;
899     Dim dcrop(crop.left, crop.top, crop_w, crop_h);
900     ov->setCrop(dcrop, dest);
901 
902     int posW = pos.right - pos.left;
903     int posH = pos.bottom - pos.top;
904     Dim position(pos.left, pos.top, posW, posH);
905     ov->setPosition(position, dest);
906 
907     if (metadata)
908         ov->setVisualParams(*metadata, dest);
909 
910     if (!ov->commit(dest)) {
911         return -1;
912     }
913     return 0;
914 }
915 
updateSource(eTransform & orient,Whf & whf,hwc_rect_t & crop)916 static inline void updateSource(eTransform& orient, Whf& whf,
917         hwc_rect_t& crop) {
918     Dim srcCrop(crop.left, crop.top,
919             crop.right - crop.left,
920             crop.bottom - crop.top);
921     //getMdpOrient will switch the flips if the source is 90 rotated.
922     //Clients in Android dont factor in 90 rotation while deciding the flip.
923     orient = static_cast<eTransform>(ovutils::getMdpOrient(orient));
924     preRotateSource(orient, whf, srcCrop);
925     crop.left = srcCrop.x;
926     crop.top = srcCrop.y;
927     crop.right = srcCrop.x + srcCrop.w;
928     crop.bottom = srcCrop.y + srcCrop.h;
929 }
930 
configureLowRes(hwc_context_t * ctx,hwc_layer_1_t * layer,const int & dpy,eMdpFlags & mdpFlags,const eZorder & z,const eIsFg & isFg,const eDest & dest,Rotator ** rot)931 int configureLowRes(hwc_context_t *ctx, hwc_layer_1_t *layer,
932         const int& dpy, eMdpFlags& mdpFlags, const eZorder& z,
933         const eIsFg& isFg, const eDest& dest, Rotator **rot) {
934 
935     private_handle_t *hnd = (private_handle_t *)layer->handle;
936     if(!hnd) {
937         ALOGE("%s: layer handle is NULL", __FUNCTION__);
938         return -1;
939     }
940 
941     MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
942 
943     hwc_rect_t crop = layer->sourceCrop;
944     hwc_rect_t dst = layer->displayFrame;
945     int transform = layer->transform;
946     eTransform orient = static_cast<eTransform>(transform);
947     int downscale = 0;
948     int rotFlags = ovutils::ROT_FLAGS_NONE;
949     Whf whf(getWidth(hnd), getHeight(hnd),
950             getMdpFormat(hnd->format), hnd->size);
951     bool forceRot = false;
952 
953     if(isYuvBuffer(hnd) && ctx->mMDP.version >= qdutils::MDP_V4_2 &&
954        ctx->mMDP.version < qdutils::MDSS_V5) {
955         downscale =  getDownscaleFactor(
956             crop.right - crop.left,
957             crop.bottom - crop.top,
958             dst.right - dst.left,
959             dst.bottom - dst.top);
960         if(downscale) {
961             rotFlags = ROT_DOWNSCALE_ENABLED;
962         }
963         unsigned int& prevWidth = ctx->mPrevWHF[dpy].w;
964         unsigned int& prevHeight = ctx->mPrevWHF[dpy].h;
965         if(prevWidth != (uint32_t)getWidth(hnd) ||
966                prevHeight != (uint32_t)getHeight(hnd)) {
967             uint32_t prevBufArea = (prevWidth * prevHeight);
968             if(prevBufArea) {
969                 forceRot = true;
970             }
971             prevWidth = (uint32_t)getWidth(hnd);
972             prevHeight = (uint32_t)getHeight(hnd);
973         }
974     }
975 
976     setMdpFlags(layer, mdpFlags, downscale);
977     trimLayer(ctx, dpy, transform, crop, dst);
978 
979     if(isYuvBuffer(hnd) && //if 90 component or downscale, use rot
980             ((transform & HWC_TRANSFORM_ROT_90) || downscale || forceRot)) {
981         *rot = ctx->mRotMgr->getNext();
982         if(*rot == NULL) return -1;
983         //Configure rotator for pre-rotation
984         Whf origWhf(hnd->width, hnd->height,
985                     getMdpFormat(hnd->format), hnd->size);
986         if(configRotator(*rot, whf, origWhf,  mdpFlags, orient, downscale) < 0)
987             return -1;
988         ctx->mLayerRotMap[dpy]->add(layer, *rot);
989         whf.format = (*rot)->getDstFormat();
990         updateSource(orient, whf, crop);
991         rotFlags |= ovutils::ROT_PREROTATED;
992     }
993 
994     //For the mdp, since either we are pre-rotating or MDP does flips
995     orient = OVERLAY_TRANSFORM_0;
996     transform = 0;
997 
998     PipeArgs parg(mdpFlags, whf, z, isFg,
999                   static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
1000                   (ovutils::eBlending) getBlending(layer->blending));
1001 
1002     if(configMdp(ctx->mOverlay, parg, orient, crop, dst, metadata, dest) < 0) {
1003         ALOGE("%s: commit failed for low res panel", __FUNCTION__);
1004         ctx->mLayerRotMap[dpy]->reset();
1005         return -1;
1006     }
1007     return 0;
1008 }
1009 
configureHighRes(hwc_context_t * ctx,hwc_layer_1_t * layer,const int & dpy,eMdpFlags & mdpFlagsL,const eZorder & z,const eIsFg & isFg,const eDest & lDest,const eDest & rDest,Rotator ** rot)1010 int configureHighRes(hwc_context_t *ctx, hwc_layer_1_t *layer,
1011         const int& dpy, eMdpFlags& mdpFlagsL, const eZorder& z,
1012         const eIsFg& isFg, const eDest& lDest, const eDest& rDest,
1013         Rotator **rot) {
1014     private_handle_t *hnd = (private_handle_t *)layer->handle;
1015     if(!hnd) {
1016         ALOGE("%s: layer handle is NULL", __FUNCTION__);
1017         return -1;
1018     }
1019 
1020     MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
1021 
1022     int hw_w = ctx->dpyAttr[dpy].xres;
1023     int hw_h = ctx->dpyAttr[dpy].yres;
1024     hwc_rect_t crop = layer->sourceCrop;
1025     hwc_rect_t dst = layer->displayFrame;
1026     int transform = layer->transform;
1027     eTransform orient = static_cast<eTransform>(transform);
1028     const int downscale = 0;
1029     int rotFlags = ROT_FLAGS_NONE;
1030 
1031     Whf whf(getWidth(hnd), getHeight(hnd),
1032             getMdpFormat(hnd->format), hnd->size);
1033 
1034     setMdpFlags(layer, mdpFlagsL);
1035     trimLayer(ctx, dpy, transform, crop, dst);
1036 
1037     if(isYuvBuffer(hnd) && (transform & HWC_TRANSFORM_ROT_90)) {
1038         (*rot) = ctx->mRotMgr->getNext();
1039         if((*rot) == NULL) return -1;
1040         //Configure rotator for pre-rotation
1041         Whf origWhf(hnd->width, hnd->height,
1042                     getMdpFormat(hnd->format), hnd->size);
1043         if(configRotator(*rot, whf, origWhf, mdpFlagsL, orient, downscale) < 0)
1044             return -1;
1045         ctx->mLayerRotMap[dpy]->add(layer, *rot);
1046         whf.format = (*rot)->getDstFormat();
1047         updateSource(orient, whf, crop);
1048         rotFlags |= ROT_PREROTATED;
1049     }
1050 
1051     eMdpFlags mdpFlagsR = mdpFlagsL;
1052     setMdpFlags(mdpFlagsR, OV_MDSS_MDP_RIGHT_MIXER);
1053 
1054     hwc_rect_t tmp_cropL, tmp_dstL;
1055     hwc_rect_t tmp_cropR, tmp_dstR;
1056 
1057     if(lDest != OV_INVALID) {
1058         tmp_cropL = crop;
1059         tmp_dstL = dst;
1060         hwc_rect_t scissor = {0, 0, hw_w/2, hw_h };
1061         qhwc::calculate_crop_rects(tmp_cropL, tmp_dstL, scissor, 0);
1062     }
1063     if(rDest != OV_INVALID) {
1064         tmp_cropR = crop;
1065         tmp_dstR = dst;
1066         hwc_rect_t scissor = {hw_w/2, 0, hw_w, hw_h };
1067         qhwc::calculate_crop_rects(tmp_cropR, tmp_dstR, scissor, 0);
1068     }
1069 
1070     //When buffer is flipped, contents of mixer config also needs to swapped.
1071     //Not needed if the layer is confined to one half of the screen.
1072     //If rotator has been used then it has also done the flips, so ignore them.
1073     if((orient & OVERLAY_TRANSFORM_FLIP_V) && lDest != OV_INVALID
1074             && rDest != OV_INVALID && rot == NULL) {
1075         hwc_rect_t new_cropR;
1076         new_cropR.left = tmp_cropL.left;
1077         new_cropR.right = new_cropR.left + (tmp_cropR.right - tmp_cropR.left);
1078 
1079         hwc_rect_t new_cropL;
1080         new_cropL.left  = new_cropR.right;
1081         new_cropL.right = tmp_cropR.right;
1082 
1083         tmp_cropL.left =  new_cropL.left;
1084         tmp_cropL.right =  new_cropL.right;
1085 
1086         tmp_cropR.left = new_cropR.left;
1087         tmp_cropR.right =  new_cropR.right;
1088 
1089     }
1090 
1091     //For the mdp, since either we are pre-rotating or MDP does flips
1092     orient = OVERLAY_TRANSFORM_0;
1093     transform = 0;
1094 
1095     //configure left mixer
1096     if(lDest != OV_INVALID) {
1097         PipeArgs pargL(mdpFlagsL, whf, z, isFg,
1098                        static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
1099                        (ovutils::eBlending) getBlending(layer->blending));
1100 
1101         if(configMdp(ctx->mOverlay, pargL, orient,
1102                 tmp_cropL, tmp_dstL, metadata, lDest) < 0) {
1103             ALOGE("%s: commit failed for left mixer config", __FUNCTION__);
1104             return -1;
1105         }
1106     }
1107 
1108     //configure right mixer
1109     if(rDest != OV_INVALID) {
1110         PipeArgs pargR(mdpFlagsR, whf, z, isFg,
1111                 static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
1112                 (ovutils::eBlending) getBlending(layer->blending));
1113 
1114         tmp_dstR.right = tmp_dstR.right - tmp_dstR.left;
1115         tmp_dstR.left = 0;
1116         if(configMdp(ctx->mOverlay, pargR, orient,
1117                 tmp_cropR, tmp_dstR, metadata, rDest) < 0) {
1118             ALOGE("%s: commit failed for right mixer config", __FUNCTION__);
1119             return -1;
1120         }
1121     }
1122 
1123     return 0;
1124 }
1125 
add(hwc_layer_1_t * layer,Rotator * rot)1126 void LayerRotMap::add(hwc_layer_1_t* layer, Rotator *rot) {
1127     if(mCount >= MAX_SESS) return;
1128     mLayer[mCount] = layer;
1129     mRot[mCount] = rot;
1130     mCount++;
1131 }
1132 
reset()1133 void LayerRotMap::reset() {
1134     for (int i = 0; i < MAX_SESS; i++) {
1135         mLayer[i] = 0;
1136         mRot[i] = 0;
1137     }
1138     mCount = 0;
1139 }
1140 
setReleaseFd(const int & fence)1141 void LayerRotMap::setReleaseFd(const int& fence) {
1142     for(uint32_t i = 0; i < mCount; i++) {
1143         mRot[i]->setReleaseFd(dup(fence));
1144     }
1145 }
1146 
1147 };//namespace qhwc
1148