hwc_utils.cpp revision bc037e0bbb3d1778fb4bde55582fd1d4e666f957
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 ATRACE_TAG (ATRACE_TAG_GRAPHICS | ATRACE_TAG_HAL)
21#define HWC_UTILS_DEBUG 0
22#include <math.h>
23#include <sys/ioctl.h>
24#include <linux/fb.h>
25#include <binder/IServiceManager.h>
26#include <EGL/egl.h>
27#include <cutils/properties.h>
28#include <utils/Trace.h>
29#include <gralloc_priv.h>
30#include <overlay.h>
31#include <overlayRotator.h>
32#include <overlayWriteback.h>
33#include "hwc_utils.h"
34#include "hwc_mdpcomp.h"
35#include "hwc_fbupdate.h"
36#include "hwc_ad.h"
37#include "mdp_version.h"
38#include "hwc_copybit.h"
39#include "hwc_dump_layers.h"
40#include "hwc_vpuclient.h"
41#include "external.h"
42#include "virtual.h"
43#include "hwc_qclient.h"
44#include "QService.h"
45#include "comptype.h"
46
47using namespace qClient;
48using namespace qService;
49using namespace android;
50using namespace overlay;
51using namespace overlay::utils;
52namespace ovutils = overlay::utils;
53
54namespace qhwc {
55
56static int openFramebufferDevice(hwc_context_t *ctx)
57{
58    struct fb_fix_screeninfo finfo;
59    struct fb_var_screeninfo info;
60
61    int fb_fd = openFb(HWC_DISPLAY_PRIMARY);
62    if(fb_fd < 0) {
63        ALOGE("%s: Error Opening FB : %s", __FUNCTION__, strerror(errno));
64        return -errno;
65    }
66
67    if (ioctl(fb_fd, FBIOGET_VSCREENINFO, &info) == -1) {
68        ALOGE("%s:Error in ioctl FBIOGET_VSCREENINFO: %s", __FUNCTION__,
69                                                       strerror(errno));
70        close(fb_fd);
71        return -errno;
72    }
73
74    if (int(info.width) <= 0 || int(info.height) <= 0) {
75        // the driver doesn't return that information
76        // default to 160 dpi
77        info.width  = ((info.xres * 25.4f)/160.0f + 0.5f);
78        info.height = ((info.yres * 25.4f)/160.0f + 0.5f);
79    }
80
81    float xdpi = (info.xres * 25.4f) / info.width;
82    float ydpi = (info.yres * 25.4f) / info.height;
83
84#ifdef MSMFB_METADATA_GET
85    struct msmfb_metadata metadata;
86    memset(&metadata, 0 , sizeof(metadata));
87    metadata.op = metadata_op_frame_rate;
88
89    if (ioctl(fb_fd, MSMFB_METADATA_GET, &metadata) == -1) {
90        ALOGE("%s:Error retrieving panel frame rate: %s", __FUNCTION__,
91                                                      strerror(errno));
92        close(fb_fd);
93        return -errno;
94    }
95
96    float fps  = metadata.data.panel_frame_rate;
97#else
98    //XXX: Remove reserved field usage on all baselines
99    //The reserved[3] field is used to store FPS by the driver.
100    float fps  = info.reserved[3] & 0xFF;
101#endif
102
103    if (ioctl(fb_fd, FBIOGET_FSCREENINFO, &finfo) == -1) {
104        ALOGE("%s:Error in ioctl FBIOGET_FSCREENINFO: %s", __FUNCTION__,
105                                                       strerror(errno));
106        close(fb_fd);
107        return -errno;
108    }
109
110    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = fb_fd;
111    //xres, yres may not be 32 aligned
112    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].stride = finfo.line_length /(info.xres/8);
113    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres = info.xres;
114    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres = info.yres;
115    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xdpi = xdpi;
116    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].ydpi = ydpi;
117    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].vsync_period = 1000000000l / fps;
118
119    //Unblank primary on first boot
120    if(ioctl(fb_fd, FBIOBLANK,FB_BLANK_UNBLANK) < 0) {
121        ALOGE("%s: Failed to unblank display", __FUNCTION__);
122        return -errno;
123    }
124    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].isActive = true;
125
126    return 0;
127}
128
129void initContext(hwc_context_t *ctx)
130{
131    openFramebufferDevice(ctx);
132    ctx->mMDP.version = qdutils::MDPVersion::getInstance().getMDPVersion();
133    ctx->mMDP.hasOverlay = qdutils::MDPVersion::getInstance().hasOverlay();
134    ctx->mMDP.panel = qdutils::MDPVersion::getInstance().getPanelType();
135    overlay::Overlay::initOverlay();
136    ctx->mOverlay = overlay::Overlay::getInstance();
137    ctx->mRotMgr = new RotMgr();
138
139    //Is created and destroyed only once for primary
140    //For external it could get created and destroyed multiple times depending
141    //on what external we connect to.
142    ctx->mFBUpdate[HWC_DISPLAY_PRIMARY] =
143        IFBUpdate::getObject(ctx, HWC_DISPLAY_PRIMARY);
144
145    // Check if the target supports copybit compostion (dyn/mdp/c2d) to
146    // decide if we need to open the copybit module.
147    int compositionType =
148        qdutils::QCCompositionType::getInstance().getCompositionType();
149
150    if (compositionType & (qdutils::COMPOSITION_TYPE_DYN |
151                           qdutils::COMPOSITION_TYPE_MDP |
152                           qdutils::COMPOSITION_TYPE_C2D)) {
153            ctx->mCopyBit[HWC_DISPLAY_PRIMARY] = new CopyBit();
154    }
155
156    ctx->mExtDisplay = new ExternalDisplay(ctx);
157    ctx->mVirtualDisplay = new VirtualDisplay(ctx);
158    ctx->mVirtualonExtActive = false;
159    ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].isActive = false;
160    ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].connected = false;
161    ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].isActive = false;
162    ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].connected = false;
163    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].mDownScaleMode= false;
164    ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].mDownScaleMode = false;
165    ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].mDownScaleMode = false;
166
167    ctx->mMDPComp[HWC_DISPLAY_PRIMARY] =
168         MDPComp::getObject(ctx, HWC_DISPLAY_PRIMARY);
169    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].connected = true;
170
171    for (uint32_t i = 0; i < HWC_NUM_DISPLAY_TYPES; i++) {
172        ctx->mHwcDebug[i] = new HwcDebug(i);
173        ctx->mLayerRotMap[i] = new LayerRotMap();
174    }
175
176    MDPComp::init(ctx);
177    ctx->mAD = new AssertiveDisplay(ctx);
178
179    ctx->vstate.enable = false;
180    ctx->vstate.fakevsync = false;
181    ctx->mExtOrientation = 0;
182
183    //Right now hwc starts the service but anybody could do it, or it could be
184    //independent process as well.
185    QService::init();
186    sp<IQClient> client = new QClient(ctx);
187    interface_cast<IQService>(
188            defaultServiceManager()->getService(
189            String16("display.qservice")))->connect(client);
190
191    // Initialize "No animation on external display" related  parameters.
192    ctx->deviceOrientation = 0;
193    ctx->mPrevCropVideo.left = ctx->mPrevCropVideo.top =
194        ctx->mPrevCropVideo.right = ctx->mPrevCropVideo.bottom = 0;
195    ctx->mPrevDestVideo.left = ctx->mPrevDestVideo.top =
196        ctx->mPrevDestVideo.right = ctx->mPrevDestVideo.bottom = 0;
197    ctx->mPrevTransformVideo = 0;
198    ctx->mBufferMirrorMode = false;
199#ifdef VPU_TARGET
200    ctx->mVPUClient = new VPUClient();
201#endif
202
203    ALOGI("Initializing Qualcomm Hardware Composer");
204    ALOGI("MDP version: %d", ctx->mMDP.version);
205}
206
207void closeContext(hwc_context_t *ctx)
208{
209    if(ctx->mOverlay) {
210        delete ctx->mOverlay;
211        ctx->mOverlay = NULL;
212    }
213
214    if(ctx->mRotMgr) {
215        delete ctx->mRotMgr;
216        ctx->mRotMgr = NULL;
217    }
218
219    for(int i = 0; i < HWC_NUM_DISPLAY_TYPES; i++) {
220        if(ctx->mCopyBit[i]) {
221            delete ctx->mCopyBit[i];
222            ctx->mCopyBit[i] = NULL;
223        }
224    }
225
226    if(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd) {
227        close(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd);
228        ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = -1;
229    }
230
231    if(ctx->mExtDisplay) {
232        delete ctx->mExtDisplay;
233        ctx->mExtDisplay = NULL;
234    }
235
236#ifdef VPU_TARGET
237    if(ctx->mVPUClient) {
238        delete ctx->mVPUClient;
239    }
240#endif
241
242    for(int i = 0; i < HWC_NUM_DISPLAY_TYPES; i++) {
243        if(ctx->mFBUpdate[i]) {
244            delete ctx->mFBUpdate[i];
245            ctx->mFBUpdate[i] = NULL;
246        }
247        if(ctx->mMDPComp[i]) {
248            delete ctx->mMDPComp[i];
249            ctx->mMDPComp[i] = NULL;
250        }
251        if(ctx->mHwcDebug[i]) {
252            delete ctx->mHwcDebug[i];
253            ctx->mHwcDebug[i] = NULL;
254        }
255        if(ctx->mLayerRotMap[i]) {
256            delete ctx->mLayerRotMap[i];
257            ctx->mLayerRotMap[i] = NULL;
258        }
259    }
260    if(ctx->mAD) {
261        delete ctx->mAD;
262        ctx->mAD = NULL;
263    }
264
265
266}
267
268
269void dumpsys_log(android::String8& buf, const char* fmt, ...)
270{
271    va_list varargs;
272    va_start(varargs, fmt);
273    buf.appendFormatV(fmt, varargs);
274    va_end(varargs);
275}
276
277int getExtOrientation(hwc_context_t* ctx) {
278    int extOrient = ctx->mExtOrientation;
279    if(ctx->mBufferMirrorMode)
280        extOrient = getMirrorModeOrientation(ctx);
281    return extOrient;
282}
283
284/* Calculates the destination position based on the action safe rectangle */
285void getActionSafePosition(hwc_context_t *ctx, int dpy, hwc_rect_t& rect) {
286    // Position
287    int x = rect.left, y = rect.top;
288    int w = rect.right - rect.left;
289    int h = rect.bottom - rect.top;
290
291    // if external supports underscan, do nothing
292    // it will be taken care in the driver
293    if(ctx->mExtDisplay->isCEUnderscanSupported())
294        return;
295
296    char value[PROPERTY_VALUE_MAX];
297    // Read action safe properties
298    property_get("persist.sys.actionsafe.width", value, "0");
299    int asWidthRatio = atoi(value);
300    property_get("persist.sys.actionsafe.height", value, "0");
301    int asHeightRatio = atoi(value);
302
303    if(!asWidthRatio && !asHeightRatio) {
304        //No action safe ratio set, return
305        return;
306    }
307
308    float wRatio = 1.0;
309    float hRatio = 1.0;
310    float xRatio = 1.0;
311    float yRatio = 1.0;
312
313    float fbWidth = ctx->dpyAttr[dpy].xres;
314    float fbHeight = ctx->dpyAttr[dpy].yres;
315
316    // Since external is rotated 90, need to swap width/height
317    int extOrient = getExtOrientation(ctx);
318
319    if(extOrient & HWC_TRANSFORM_ROT_90)
320        swap(fbWidth, fbHeight);
321
322    float asX = 0;
323    float asY = 0;
324    float asW = fbWidth;
325    float asH= fbHeight;
326
327    // based on the action safe ratio, get the Action safe rectangle
328    asW = fbWidth * (1.0f -  asWidthRatio / 100.0f);
329    asH = fbHeight * (1.0f -  asHeightRatio / 100.0f);
330    asX = (fbWidth - asW) / 2;
331    asY = (fbHeight - asH) / 2;
332
333    // calculate the position ratio
334    xRatio = (float)x/fbWidth;
335    yRatio = (float)y/fbHeight;
336    wRatio = (float)w/fbWidth;
337    hRatio = (float)h/fbHeight;
338
339    //Calculate the position...
340    x = (xRatio * asW) + asX;
341    y = (yRatio * asH) + asY;
342    w = (wRatio * asW);
343    h = (hRatio * asH);
344
345    // Convert it back to hwc_rect_t
346    rect.left = x;
347    rect.top = y;
348    rect.right = w + rect.left;
349    rect.bottom = h + rect.top;
350
351    return;
352}
353
354/* Calculates the aspect ratio for based on src & dest */
355void getAspectRatioPosition(int destWidth, int destHeight, int srcWidth,
356                                int srcHeight, hwc_rect_t& rect) {
357   int x =0, y =0;
358
359   if (srcWidth * destHeight > destWidth * srcHeight) {
360        srcHeight = destWidth * srcHeight / srcWidth;
361        srcWidth = destWidth;
362    } else if (srcWidth * destHeight < destWidth * srcHeight) {
363        srcWidth = destHeight * srcWidth / srcHeight;
364        srcHeight = destHeight;
365    } else {
366        srcWidth = destWidth;
367        srcHeight = destHeight;
368    }
369    if (srcWidth > destWidth) srcWidth = destWidth;
370    if (srcHeight > destHeight) srcHeight = destHeight;
371    x = (destWidth - srcWidth) / 2;
372    y = (destHeight - srcHeight) / 2;
373    ALOGD_IF(HWC_UTILS_DEBUG, "%s: AS Position: x = %d, y = %d w = %d h = %d",
374             __FUNCTION__, x, y, srcWidth , srcHeight);
375    // Convert it back to hwc_rect_t
376    rect.left = x;
377    rect.top = y;
378    rect.right = srcWidth + rect.left;
379    rect.bottom = srcHeight + rect.top;
380}
381
382// This function gets the destination position for Seconday display
383// based on the position and aspect ratio with orientation
384void getAspectRatioPosition(hwc_context_t* ctx, int dpy, int extOrientation,
385                            hwc_rect_t& inRect, hwc_rect_t& outRect) {
386    // Physical display resolution
387    float fbWidth  = ctx->dpyAttr[dpy].xres;
388    float fbHeight = ctx->dpyAttr[dpy].yres;
389    //display position(x,y,w,h) in correct aspectratio after rotation
390    int xPos = 0;
391    int yPos = 0;
392    float width = fbWidth;
393    float height = fbHeight;
394    // Width/Height used for calculation, after rotation
395    float actualWidth = fbWidth;
396    float actualHeight = fbHeight;
397
398    float wRatio = 1.0;
399    float hRatio = 1.0;
400    float xRatio = 1.0;
401    float yRatio = 1.0;
402    hwc_rect_t rect = {0, 0, (int)fbWidth, (int)fbHeight};
403
404    Dim inPos(inRect.left, inRect.top, inRect.right - inRect.left,
405                inRect.bottom - inRect.top);
406    Dim outPos(outRect.left, outRect.top, outRect.right - outRect.left,
407                outRect.bottom - outRect.top);
408
409    Whf whf(fbWidth, fbHeight, 0);
410    eTransform extorient = static_cast<eTransform>(extOrientation);
411    // To calculate the destination co-ordinates in the new orientation
412    preRotateSource(extorient, whf, inPos);
413
414    if(extOrientation & HAL_TRANSFORM_ROT_90) {
415        // Swap width/height for input position
416        swapWidthHeight(actualWidth, actualHeight);
417        getAspectRatioPosition(fbWidth, fbHeight, (int)actualWidth,
418                               (int)actualHeight, rect);
419        xPos = rect.left;
420        yPos = rect.top;
421        width = rect.right - rect.left;
422        height = rect.bottom - rect.top;
423    }
424
425    //Calculate the position...
426    xRatio = inPos.x/actualWidth;
427    yRatio = inPos.y/actualHeight;
428    wRatio = inPos.w/actualWidth;
429    hRatio = inPos.h/actualHeight;
430
431    outPos.x = (xRatio * width) + xPos;
432    outPos.y = (yRatio * height) + yPos;
433    outPos.w = wRatio * width;
434    outPos.h = hRatio * height;
435    ALOGD_IF(HWC_UTILS_DEBUG, "%s: Calculated AspectRatio Position: x = %d,"
436                 "y = %d w = %d h = %d", __FUNCTION__, outPos.x, outPos.y,
437                 outPos.w, outPos.h);
438
439    // For sidesync, the dest fb will be in portrait orientation, and the crop
440    // will be updated to avoid the black side bands, and it will be upscaled
441    // to fit the dest RB, so recalculate
442    // the position based on the new width and height
443    if ((extOrientation & HWC_TRANSFORM_ROT_90) &&
444                        isOrientationPortrait(ctx)) {
445        hwc_rect_t r;
446        //Calculate the position
447        xRatio = (outPos.x - xPos)/width;
448        // GetaspectRatio -- tricky to get the correct aspect ratio
449        // But we need to do this.
450        getAspectRatioPosition(width, height, width, height, r);
451        xPos = r.left;
452        yPos = r.top;
453        float tempWidth = r.right - r.left;
454        float tempHeight = r.bottom - r.top;
455        yRatio = yPos/height;
456        wRatio = outPos.w/width;
457        hRatio = tempHeight/height;
458
459        //Map the coordinates back to Framebuffer domain
460        outPos.x = (xRatio * fbWidth);
461        outPos.y = (yRatio * fbHeight);
462        outPos.w = wRatio * fbWidth;
463        outPos.h = hRatio * fbHeight;
464
465        ALOGD_IF(HWC_UTILS_DEBUG, "%s: Calculated AspectRatio for device in"
466                 "portrait: x = %d,y = %d w = %d h = %d", __FUNCTION__,
467                 outPos.x, outPos.y,
468                 outPos.w, outPos.h);
469    }
470    if(ctx->dpyAttr[dpy].mDownScaleMode) {
471        int extW, extH;
472        if(dpy == HWC_DISPLAY_EXTERNAL)
473            ctx->mExtDisplay->getAttributes(extW, extH);
474        else
475            ctx->mVirtualDisplay->getAttributes(extW, extH);
476        fbWidth  = ctx->dpyAttr[dpy].xres;
477        fbHeight = ctx->dpyAttr[dpy].yres;
478        //Calculate the position...
479        xRatio = outPos.x/fbWidth;
480        yRatio = outPos.y/fbHeight;
481        wRatio = outPos.w/fbWidth;
482        hRatio = outPos.h/fbHeight;
483
484        outPos.x = xRatio * extW;
485        outPos.y = yRatio * extH;
486        outPos.w = wRatio * extW;
487        outPos.h = hRatio * extH;
488    }
489    // Convert Dim to hwc_rect_t
490    outRect.left = outPos.x;
491    outRect.top = outPos.y;
492    outRect.right = outPos.x + outPos.w;
493    outRect.bottom = outPos.y + outPos.h;
494
495    return;
496}
497
498bool isPrimaryPortrait(hwc_context_t *ctx) {
499    int fbWidth = ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres;
500    int fbHeight = ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres;
501    if(fbWidth < fbHeight) {
502        return true;
503    }
504    return false;
505}
506
507bool isOrientationPortrait(hwc_context_t *ctx) {
508    if(isPrimaryPortrait(ctx)) {
509        return !(ctx->deviceOrientation & 0x1);
510    }
511    return (ctx->deviceOrientation & 0x1);
512}
513
514void calcExtDisplayPosition(hwc_context_t *ctx,
515                               private_handle_t *hnd,
516                               int dpy,
517                               hwc_rect_t& sourceCrop,
518                               hwc_rect_t& displayFrame,
519                               int& transform,
520                               ovutils::eTransform& orient) {
521    // Swap width and height when there is a 90deg transform
522    int extOrient = getExtOrientation(ctx);
523    if(dpy && !qdutils::MDPVersion::getInstance().is8x26()) {
524        if(!isYuvBuffer(hnd)) {
525            if(extOrient & HWC_TRANSFORM_ROT_90) {
526                int dstWidth = ctx->dpyAttr[dpy].xres;
527                int dstHeight = ctx->dpyAttr[dpy].yres;;
528                int srcWidth = ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres;
529                int srcHeight = ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres;
530                if(!isPrimaryPortrait(ctx)) {
531                    swap(srcWidth, srcHeight);
532                }                    // Get Aspect Ratio for external
533                getAspectRatioPosition(dstWidth, dstHeight, srcWidth,
534                                    srcHeight, displayFrame);
535                // Crop - this is needed, because for sidesync, the dest fb will
536                // be in portrait orientation, so update the crop to not show the
537                // black side bands.
538                if (isOrientationPortrait(ctx)) {
539                    sourceCrop = displayFrame;
540                    displayFrame.left = 0;
541                    displayFrame.top = 0;
542                    displayFrame.right = dstWidth;
543                    displayFrame.bottom = dstHeight;
544                }
545            }
546            if(ctx->dpyAttr[dpy].mDownScaleMode) {
547                int extW, extH;
548                // if downscale is enabled, map the co-ordinates to new
549                // domain(downscaled)
550                float fbWidth  = ctx->dpyAttr[dpy].xres;
551                float fbHeight = ctx->dpyAttr[dpy].yres;
552                // query MDP configured attributes
553                if(dpy == HWC_DISPLAY_EXTERNAL)
554                    ctx->mExtDisplay->getAttributes(extW, extH);
555                else
556                    ctx->mVirtualDisplay->getAttributes(extW, extH);
557                //Calculate the ratio...
558                float wRatio = ((float)extW)/fbWidth;
559                float hRatio = ((float)extH)/fbHeight;
560
561                //convert Dim to hwc_rect_t
562                displayFrame.left *= wRatio;
563                displayFrame.top *= hRatio;
564                displayFrame.right *= wRatio;
565                displayFrame.bottom *= hRatio;
566            }
567        }else {
568            if(extOrient || ctx->dpyAttr[dpy].mDownScaleMode) {
569                getAspectRatioPosition(ctx, dpy, extOrient,
570                                       displayFrame, displayFrame);
571            }
572        }
573        // If there is a external orientation set, use that
574        if(extOrient) {
575            transform = extOrient;
576            orient = static_cast<ovutils::eTransform >(extOrient);
577        }
578        // Calculate the actionsafe dimensions for External(dpy = 1 or 2)
579        getActionSafePosition(ctx, dpy, displayFrame);
580    }
581}
582
583/* Returns the orientation which needs to be set on External for
584 *  SideSync/Buffer Mirrormode
585 */
586int getMirrorModeOrientation(hwc_context_t *ctx) {
587    int extOrientation = 0;
588    int deviceOrientation = ctx->deviceOrientation;
589    if(!isPrimaryPortrait(ctx))
590        deviceOrientation = (deviceOrientation + 1) % 4;
591     if (deviceOrientation == 0)
592         extOrientation = HWC_TRANSFORM_ROT_270;
593     else if (deviceOrientation == 1)//90
594         extOrientation = 0;
595     else if (deviceOrientation == 2)//180
596         extOrientation = HWC_TRANSFORM_ROT_90;
597     else if (deviceOrientation == 3)//270
598         extOrientation = HWC_TRANSFORM_FLIP_V | HWC_TRANSFORM_FLIP_H;
599
600    return extOrientation;
601}
602
603bool needsScaling(hwc_context_t* ctx, hwc_layer_1_t const* layer,
604        const int& dpy) {
605    int dst_w, dst_h, src_w, src_h;
606
607    hwc_rect_t displayFrame  = layer->displayFrame;
608    hwc_rect_t sourceCrop = layer->sourceCrop;
609    trimLayer(ctx, dpy, layer->transform, sourceCrop, displayFrame);
610
611    dst_w = displayFrame.right - displayFrame.left;
612    dst_h = displayFrame.bottom - displayFrame.top;
613    src_w = sourceCrop.right - sourceCrop.left;
614    src_h = sourceCrop.bottom - sourceCrop.top;
615
616    if(((src_w != dst_w) || (src_h != dst_h)))
617        return true;
618
619    return false;
620}
621
622// Checks if layer needs scaling with split
623bool needsScalingWithSplit(hwc_context_t* ctx, hwc_layer_1_t const* layer,
624        const int& dpy) {
625
626    int src_width_l, src_height_l;
627    int src_width_r, src_height_r;
628    int dst_width_l, dst_height_l;
629    int dst_width_r, dst_height_r;
630    int hw_w = ctx->dpyAttr[dpy].xres;
631    int hw_h = ctx->dpyAttr[dpy].yres;
632    hwc_rect_t cropL, dstL, cropR, dstR;
633    const int lSplit = getLeftSplit(ctx, dpy);
634    hwc_rect_t sourceCrop = layer->sourceCrop;
635    hwc_rect_t displayFrame  = layer->displayFrame;
636    private_handle_t *hnd = (private_handle_t *)layer->handle;
637    trimLayer(ctx, dpy, layer->transform, sourceCrop, displayFrame);
638
639    cropL = sourceCrop;
640    dstL = displayFrame;
641    hwc_rect_t scissorL = { 0, 0, lSplit, hw_h };
642    qhwc::calculate_crop_rects(cropL, dstL, scissorL, 0);
643
644    cropR = sourceCrop;
645    dstR = displayFrame;
646    hwc_rect_t scissorR = { lSplit, 0, hw_w, hw_h };
647    qhwc::calculate_crop_rects(cropR, dstR, scissorR, 0);
648
649    // Sanitize Crop to stitch
650    sanitizeSourceCrop(cropL, cropR, hnd);
651
652    // Calculate the left dst
653    dst_width_l = dstL.right - dstL.left;
654    dst_height_l = dstL.bottom - dstL.top;
655    src_width_l = cropL.right - cropL.left;
656    src_height_l = cropL.bottom - cropL.top;
657
658    // check if there is any scaling on the left
659    if(((src_width_l != dst_width_l) || (src_height_l != dst_height_l)))
660        return true;
661
662    // Calculate the right dst
663    dst_width_r = dstR.right - dstR.left;
664    dst_height_r = dstR.bottom - dstR.top;
665    src_width_r = cropR.right - cropR.left;
666    src_height_r = cropR.bottom - cropR.top;
667
668    // check if there is any scaling on the right
669    if(((src_width_r != dst_width_r) || (src_height_r != dst_height_r)))
670        return true;
671
672    return false;
673}
674
675bool isAlphaScaled(hwc_context_t* ctx, hwc_layer_1_t const* layer,
676        const int& dpy) {
677    if(needsScaling(ctx, layer, dpy) && isAlphaPresent(layer)) {
678        return true;
679    }
680    return false;
681}
682
683bool isAlphaPresent(hwc_layer_1_t const* layer) {
684    private_handle_t *hnd = (private_handle_t *)layer->handle;
685    if(hnd) {
686        int format = hnd->format;
687        switch(format) {
688        case HAL_PIXEL_FORMAT_RGBA_8888:
689        case HAL_PIXEL_FORMAT_BGRA_8888:
690            // In any more formats with Alpha go here..
691            return true;
692        default : return false;
693        }
694    }
695    return false;
696}
697
698void setListStats(hwc_context_t *ctx,
699        const hwc_display_contents_1_t *list, int dpy) {
700    const int prevYuvCount = ctx->listStats[dpy].yuvCount;
701    memset(&ctx->listStats[dpy], 0, sizeof(ListStats));
702    ctx->listStats[dpy].numAppLayers = list->numHwLayers - 1;
703    ctx->listStats[dpy].fbLayerIndex = list->numHwLayers - 1;
704    ctx->listStats[dpy].skipCount = 0;
705    ctx->listStats[dpy].needsAlphaScale = false;
706    ctx->listStats[dpy].preMultipliedAlpha = false;
707    ctx->listStats[dpy].yuvCount = 0;
708    char property[PROPERTY_VALUE_MAX];
709    ctx->listStats[dpy].extOnlyLayerIndex = -1;
710    ctx->listStats[dpy].isDisplayAnimating = false;
711    ctx->listStats[dpy].roi = ovutils::Dim(0, 0,
712                      (int)ctx->dpyAttr[dpy].xres, (int)ctx->dpyAttr[dpy].yres);
713
714    optimizeLayerRects(ctx, list, dpy);
715
716    for (size_t i = 0; i < (size_t)ctx->listStats[dpy].numAppLayers; i++) {
717        hwc_layer_1_t const* layer = &list->hwLayers[i];
718        private_handle_t *hnd = (private_handle_t *)layer->handle;
719
720#ifdef QCOM_BSP
721        if (layer->flags & HWC_SCREENSHOT_ANIMATOR_LAYER) {
722            ctx->listStats[dpy].isDisplayAnimating = true;
723        }
724#endif
725        // continue if number of app layers exceeds MAX_NUM_APP_LAYERS
726        if(ctx->listStats[dpy].numAppLayers > MAX_NUM_APP_LAYERS)
727            continue;
728
729        //reset yuv indices
730        ctx->listStats[dpy].yuvIndices[i] = -1;
731
732        if (isSkipLayer(&list->hwLayers[i])) {
733            ctx->listStats[dpy].skipCount++;
734        }
735
736        if (UNLIKELY(isYuvBuffer(hnd))) {
737            int& yuvCount = ctx->listStats[dpy].yuvCount;
738            ctx->listStats[dpy].yuvIndices[yuvCount] = i;
739            yuvCount++;
740
741            if((layer->transform & HWC_TRANSFORM_ROT_90) &&
742                    canUseRotator(ctx, dpy)) {
743                if( (dpy == HWC_DISPLAY_PRIMARY) &&
744                        ctx->mOverlay->isPipeTypeAttached(OV_MDP_PIPE_DMA)) {
745                    ctx->isPaddingRound = true;
746                }
747                Overlay::setDMAMode(Overlay::DMA_BLOCK_MODE);
748            }
749        }
750        if(layer->blending == HWC_BLENDING_PREMULT)
751            ctx->listStats[dpy].preMultipliedAlpha = true;
752
753        if(!ctx->listStats[dpy].needsAlphaScale)
754            ctx->listStats[dpy].needsAlphaScale =
755                    isAlphaScaled(ctx, layer, dpy);
756
757        if(UNLIKELY(isExtOnly(hnd))){
758            ctx->listStats[dpy].extOnlyLayerIndex = i;
759        }
760    }
761    if(ctx->listStats[dpy].yuvCount > 0) {
762        if (property_get("hw.cabl.yuv", property, NULL) > 0) {
763            if (atoi(property) != 1) {
764                property_set("hw.cabl.yuv", "1");
765            }
766        }
767    } else {
768        if (property_get("hw.cabl.yuv", property, NULL) > 0) {
769            if (atoi(property) != 0) {
770                property_set("hw.cabl.yuv", "0");
771            }
772        }
773    }
774    if(dpy) {
775        //uncomment the below code for testing purpose.
776        /* char value[PROPERTY_VALUE_MAX];
777        property_get("sys.ext_orientation", value, "0");
778        // Assuming the orientation value is in terms of HAL_TRANSFORM,
779        // This needs mapping to HAL, if its in different convention
780        ctx->mExtOrientation = atoi(value); */
781        // Assuming the orientation value is in terms of HAL_TRANSFORM,
782        // This needs mapping to HAL, if its in different convention
783        if(ctx->mExtOrientation || ctx->mBufferMirrorMode) {
784            ALOGD_IF(HWC_UTILS_DEBUG, "%s: ext orientation = %d"
785                     "BufferMirrorMode = %d", __FUNCTION__,
786                     ctx->mExtOrientation, ctx->mBufferMirrorMode);
787            if(ctx->mOverlay->isPipeTypeAttached(OV_MDP_PIPE_DMA)) {
788                ctx->isPaddingRound = true;
789            }
790            Overlay::setDMAMode(Overlay::DMA_BLOCK_MODE);
791        }
792    }
793
794    //The marking of video begin/end is useful on some targets where we need
795    //to have a padding round to be able to shift pipes across mixers.
796    if(prevYuvCount != ctx->listStats[dpy].yuvCount) {
797        ctx->mVideoTransFlag = true;
798    }
799    if(dpy == HWC_DISPLAY_PRIMARY) {
800        ctx->mAD->markDoable(ctx, list);
801    }
802}
803
804
805static void calc_cut(double& leftCutRatio, double& topCutRatio,
806        double& rightCutRatio, double& bottomCutRatio, int orient) {
807    if(orient & HAL_TRANSFORM_FLIP_H) {
808        swap(leftCutRatio, rightCutRatio);
809    }
810    if(orient & HAL_TRANSFORM_FLIP_V) {
811        swap(topCutRatio, bottomCutRatio);
812    }
813    if(orient & HAL_TRANSFORM_ROT_90) {
814        //Anti clock swapping
815        double tmpCutRatio = leftCutRatio;
816        leftCutRatio = topCutRatio;
817        topCutRatio = rightCutRatio;
818        rightCutRatio = bottomCutRatio;
819        bottomCutRatio = tmpCutRatio;
820    }
821}
822
823bool isSecuring(hwc_context_t* ctx, hwc_layer_1_t const* layer) {
824    if((ctx->mMDP.version < qdutils::MDSS_V5) &&
825       (ctx->mMDP.version > qdutils::MDP_V3_0) &&
826        ctx->mSecuring) {
827        return true;
828    }
829    if (isSecureModePolicy(ctx->mMDP.version)) {
830        private_handle_t *hnd = (private_handle_t *)layer->handle;
831        if(ctx->mSecureMode) {
832            if (! isSecureBuffer(hnd)) {
833                ALOGD_IF(HWC_UTILS_DEBUG,"%s:Securing Turning ON ...",
834                         __FUNCTION__);
835                return true;
836            }
837        } else {
838            if (isSecureBuffer(hnd)) {
839                ALOGD_IF(HWC_UTILS_DEBUG,"%s:Securing Turning OFF ...",
840                         __FUNCTION__);
841                return true;
842            }
843        }
844    }
845    return false;
846}
847
848bool isSecureModePolicy(int mdpVersion) {
849    if (mdpVersion < qdutils::MDSS_V5)
850        return true;
851    else
852        return false;
853}
854
855int getBlending(int blending) {
856    switch(blending) {
857    case HWC_BLENDING_NONE:
858        return overlay::utils::OVERLAY_BLENDING_OPAQUE;
859    case HWC_BLENDING_PREMULT:
860        return overlay::utils::OVERLAY_BLENDING_PREMULT;
861    case HWC_BLENDING_COVERAGE :
862    default:
863        return overlay::utils::OVERLAY_BLENDING_COVERAGE;
864    }
865}
866
867//Crops source buffer against destination and FB boundaries
868void calculate_crop_rects(hwc_rect_t& crop, hwc_rect_t& dst,
869                          const hwc_rect_t& scissor, int orient) {
870
871    int& crop_l = crop.left;
872    int& crop_t = crop.top;
873    int& crop_r = crop.right;
874    int& crop_b = crop.bottom;
875    int crop_w = crop.right - crop.left;
876    int crop_h = crop.bottom - crop.top;
877
878    int& dst_l = dst.left;
879    int& dst_t = dst.top;
880    int& dst_r = dst.right;
881    int& dst_b = dst.bottom;
882    int dst_w = abs(dst.right - dst.left);
883    int dst_h = abs(dst.bottom - dst.top);
884
885    const int& sci_l = scissor.left;
886    const int& sci_t = scissor.top;
887    const int& sci_r = scissor.right;
888    const int& sci_b = scissor.bottom;
889    int sci_w = abs(sci_r - sci_l);
890    int sci_h = abs(sci_b - sci_t);
891
892    double leftCutRatio = 0.0, rightCutRatio = 0.0, topCutRatio = 0.0,
893            bottomCutRatio = 0.0;
894
895    if(dst_l < sci_l) {
896        leftCutRatio = (double)(sci_l - dst_l) / (double)dst_w;
897        dst_l = sci_l;
898    }
899
900    if(dst_r > sci_r) {
901        rightCutRatio = (double)(dst_r - sci_r) / (double)dst_w;
902        dst_r = sci_r;
903    }
904
905    if(dst_t < sci_t) {
906        topCutRatio = (double)(sci_t - dst_t) / (double)dst_h;
907        dst_t = sci_t;
908    }
909
910    if(dst_b > sci_b) {
911        bottomCutRatio = (double)(dst_b - sci_b) / (double)dst_h;
912        dst_b = sci_b;
913    }
914
915    calc_cut(leftCutRatio, topCutRatio, rightCutRatio, bottomCutRatio, orient);
916    crop_l += crop_w * leftCutRatio;
917    crop_t += crop_h * topCutRatio;
918    crop_r -= crop_w * rightCutRatio;
919    crop_b -= crop_h * bottomCutRatio;
920}
921
922bool isValidRect(const hwc_rect& rect)
923{
924   return ((rect.bottom > rect.top) && (rect.right > rect.left)) ;
925}
926
927/* computes the intersection of two rects */
928hwc_rect_t getIntersection(const hwc_rect_t& rect1, const hwc_rect_t& rect2)
929{
930   hwc_rect_t res;
931
932   if(!isValidRect(rect1) || !isValidRect(rect2)){
933      return (hwc_rect_t){0, 0, 0, 0};
934   }
935
936
937   res.left = max(rect1.left, rect2.left);
938   res.top = max(rect1.top, rect2.top);
939   res.right = min(rect1.right, rect2.right);
940   res.bottom = min(rect1.bottom, rect2.bottom);
941
942   if(!isValidRect(res))
943      return (hwc_rect_t){0, 0, 0, 0};
944
945   return res;
946}
947
948/* computes the union of two rects */
949hwc_rect_t getUnion(const hwc_rect &rect1, const hwc_rect &rect2)
950{
951   hwc_rect_t res;
952
953   if(!isValidRect(rect1)){
954      return rect2;
955   }
956
957   if(!isValidRect(rect2)){
958      return rect1;
959   }
960
961   res.left = min(rect1.left, rect2.left);
962   res.top = min(rect1.top, rect2.top);
963   res.right =  max(rect1.right, rect2.right);
964   res.bottom =  max(rect1.bottom, rect2.bottom);
965
966   return res;
967}
968
969/* deducts given rect from layers display-frame and source crop.
970   also it avoid hole creation.*/
971void deductRect(const hwc_layer_1_t* layer, hwc_rect_t& irect) {
972    hwc_rect_t& disprect = (hwc_rect_t&)layer->displayFrame;
973    hwc_rect_t& srcrect = (hwc_rect_t&)layer->sourceCrop;
974    int irect_w = irect.right - irect.left;
975    int irect_h = irect.bottom - irect.top;
976
977    if((disprect.left == irect.left) && (disprect.right == irect.right)) {
978        if((disprect.top == irect.top) && (irect.bottom <= disprect.bottom)) {
979            disprect.top = irect.bottom;
980            srcrect.top += irect_h;
981        }
982        else if((disprect.bottom == irect.bottom)
983                                && (irect.top >= disprect.top)) {
984            disprect.bottom = irect.top;
985            srcrect.bottom -= irect_h;
986        }
987    }
988    else if((disprect.top == irect.top) && (disprect.bottom == irect.bottom)) {
989        if((disprect.left == irect.left) && (irect.right <= disprect.right)) {
990            disprect.left = irect.right;
991            srcrect.left += irect_w;
992        }
993        else if((disprect.right == irect.right)
994                                && (irect.left >= disprect.left)) {
995            disprect.right = irect.left;
996            srcrect.right -= irect_w;
997        }
998    }
999}
1000
1001void optimizeLayerRects(hwc_context_t *ctx,
1002                        const hwc_display_contents_1_t *list, const int& dpy) {
1003    int i=list->numHwLayers-2;
1004    hwc_rect_t irect;
1005    while(i > 0) {
1006
1007        //see if there is no blending required.
1008        //If it is opaque see if we can substract this region from below layers.
1009        if(list->hwLayers[i].blending == HWC_BLENDING_NONE) {
1010            int j= i-1;
1011            hwc_rect_t& topframe =
1012                (hwc_rect_t&)list->hwLayers[i].displayFrame;
1013            while(j >= 0) {
1014                if(!needsScaling(ctx, &list->hwLayers[j], dpy)) {
1015                    hwc_rect_t& bottomframe =
1016                        (hwc_rect_t&)list->hwLayers[j].displayFrame;
1017
1018                    hwc_rect_t irect = getIntersection(bottomframe, topframe);
1019                    if(isValidRect(irect)) {
1020                        //if intersection is valid rect, deduct it
1021                        deductRect(&list->hwLayers[j], irect);
1022                    }
1023                }
1024                j--;
1025            }
1026        }
1027        i--;
1028    }
1029}
1030
1031void getNonWormholeRegion(hwc_display_contents_1_t* list,
1032                              hwc_rect_t& nwr)
1033{
1034    uint32_t last = list->numHwLayers - 1;
1035    hwc_rect_t fbDisplayFrame = list->hwLayers[last].displayFrame;
1036    //Initiliaze nwr to first frame
1037    nwr.left =  list->hwLayers[0].displayFrame.left;
1038    nwr.top =  list->hwLayers[0].displayFrame.top;
1039    nwr.right =  list->hwLayers[0].displayFrame.right;
1040    nwr.bottom =  list->hwLayers[0].displayFrame.bottom;
1041
1042    for (uint32_t i = 1; i < last; i++) {
1043        hwc_rect_t displayFrame = list->hwLayers[i].displayFrame;
1044        nwr = getUnion(nwr, displayFrame);
1045    }
1046
1047    //Intersect with the framebuffer
1048    nwr = getIntersection(nwr, fbDisplayFrame);
1049}
1050
1051bool isExternalActive(hwc_context_t* ctx) {
1052    return ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].isActive;
1053}
1054
1055void closeAcquireFds(hwc_display_contents_1_t* list) {
1056    for(uint32_t i = 0; list && i < list->numHwLayers; i++) {
1057        //Close the acquireFenceFds
1058        //HWC_FRAMEBUFFER are -1 already by SF, rest we close.
1059        if(list->hwLayers[i].acquireFenceFd >= 0) {
1060            close(list->hwLayers[i].acquireFenceFd);
1061            list->hwLayers[i].acquireFenceFd = -1;
1062        }
1063    }
1064}
1065
1066int hwc_sync(hwc_context_t *ctx, hwc_display_contents_1_t* list, int dpy,
1067        int fd) {
1068    ATRACE_CALL();
1069    int ret = 0;
1070    int acquireFd[MAX_NUM_APP_LAYERS];
1071    int count = 0;
1072    int releaseFd = -1;
1073    int fbFd = -1;
1074    bool swapzero = false;
1075    int mdpVersion = qdutils::MDPVersion::getInstance().getMDPVersion();
1076
1077    struct mdp_buf_sync data;
1078    memset(&data, 0, sizeof(data));
1079    data.acq_fen_fd = acquireFd;
1080    data.rel_fen_fd = &releaseFd;
1081
1082    char property[PROPERTY_VALUE_MAX];
1083    if(property_get("debug.egl.swapinterval", property, "1") > 0) {
1084        if(atoi(property) == 0)
1085            swapzero = true;
1086    }
1087
1088    bool isExtAnimating = false;
1089    if(dpy)
1090       isExtAnimating = ctx->listStats[dpy].isDisplayAnimating;
1091
1092    //Send acquireFenceFds to rotator
1093    for(uint32_t i = 0; i < ctx->mLayerRotMap[dpy]->getCount(); i++) {
1094        int rotFd = ctx->mRotMgr->getRotDevFd();
1095        int rotReleaseFd = -1;
1096        struct mdp_buf_sync rotData;
1097        memset(&rotData, 0, sizeof(rotData));
1098        rotData.acq_fen_fd =
1099                &ctx->mLayerRotMap[dpy]->getLayer(i)->acquireFenceFd;
1100        rotData.rel_fen_fd = &rotReleaseFd; //driver to populate this
1101        rotData.session_id = ctx->mLayerRotMap[dpy]->getRot(i)->getSessId();
1102        int ret = 0;
1103        ret = ioctl(rotFd, MSMFB_BUFFER_SYNC, &rotData);
1104        if(ret < 0) {
1105            ALOGE("%s: ioctl MSMFB_BUFFER_SYNC failed for rot sync, err=%s",
1106                    __FUNCTION__, strerror(errno));
1107        } else {
1108            close(ctx->mLayerRotMap[dpy]->getLayer(i)->acquireFenceFd);
1109            //For MDP to wait on.
1110            ctx->mLayerRotMap[dpy]->getLayer(i)->acquireFenceFd =
1111                    dup(rotReleaseFd);
1112            //A buffer is free to be used by producer as soon as its copied to
1113            //rotator
1114            ctx->mLayerRotMap[dpy]->getLayer(i)->releaseFenceFd =
1115                    rotReleaseFd;
1116        }
1117    }
1118
1119    //Accumulate acquireFenceFds for MDP
1120    for(uint32_t i = 0; i < list->numHwLayers; i++) {
1121        if(list->hwLayers[i].compositionType == HWC_OVERLAY &&
1122                        list->hwLayers[i].acquireFenceFd >= 0) {
1123            if(UNLIKELY(swapzero))
1124                acquireFd[count++] = -1;
1125            else
1126                acquireFd[count++] = list->hwLayers[i].acquireFenceFd;
1127        }
1128        if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
1129            if(UNLIKELY(swapzero))
1130                acquireFd[count++] = -1;
1131            else if(fd >= 0) {
1132                //set the acquireFD from fd - which is coming from c2d
1133                acquireFd[count++] = fd;
1134                // Buffer sync IOCTL should be async when using c2d fence is
1135                // used
1136                data.flags &= ~MDP_BUF_SYNC_FLAG_WAIT;
1137            } else if(list->hwLayers[i].acquireFenceFd >= 0)
1138                acquireFd[count++] = list->hwLayers[i].acquireFenceFd;
1139        }
1140    }
1141
1142    data.acq_fen_fd_cnt = count;
1143    fbFd = ctx->dpyAttr[dpy].fd;
1144
1145    //Waits for acquire fences, returns a release fence
1146    if(LIKELY(!swapzero)) {
1147        uint64_t start = systemTime();
1148        ret = ioctl(fbFd, MSMFB_BUFFER_SYNC, &data);
1149        ALOGD_IF(HWC_UTILS_DEBUG, "%s: time taken for MSMFB_BUFFER_SYNC IOCTL = %d",
1150                            __FUNCTION__, (size_t) ns2ms(systemTime() - start));
1151    }
1152
1153    if(ret < 0) {
1154        ALOGE("%s: ioctl MSMFB_BUFFER_SYNC failed, err=%s",
1155                  __FUNCTION__, strerror(errno));
1156        ALOGE("%s: acq_fen_fd_cnt=%d flags=%d fd=%d dpy=%d numHwLayers=%d",
1157              __FUNCTION__, data.acq_fen_fd_cnt, data.flags, fbFd,
1158              dpy, list->numHwLayers);
1159    }
1160
1161    for(uint32_t i = 0; i < list->numHwLayers; i++) {
1162        if(list->hwLayers[i].compositionType == HWC_OVERLAY ||
1163           list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
1164            //Populate releaseFenceFds.
1165            if(UNLIKELY(swapzero)) {
1166                list->hwLayers[i].releaseFenceFd = -1;
1167            } else if(isExtAnimating) {
1168                // Release all the app layer fds immediately,
1169                // if animation is in progress.
1170                hwc_layer_1_t const* layer = &list->hwLayers[i];
1171                private_handle_t *hnd = (private_handle_t *)layer->handle;
1172                if(isYuvBuffer(hnd)) {
1173                    list->hwLayers[i].releaseFenceFd = dup(releaseFd);
1174                } else
1175                    list->hwLayers[i].releaseFenceFd = -1;
1176            } else if(list->hwLayers[i].releaseFenceFd < 0) {
1177                //If rotator has not already populated this field.
1178                list->hwLayers[i].releaseFenceFd = dup(releaseFd);
1179            }
1180        }
1181    }
1182
1183    if(fd >= 0) {
1184        close(fd);
1185        fd = -1;
1186    }
1187
1188    if (ctx->mCopyBit[dpy])
1189        ctx->mCopyBit[dpy]->setReleaseFd(releaseFd);
1190
1191    //Signals when MDP finishes reading rotator buffers.
1192    ctx->mLayerRotMap[dpy]->setReleaseFd(releaseFd);
1193
1194    // if external is animating, close the relaseFd
1195    if(isExtAnimating) {
1196        close(releaseFd);
1197        releaseFd = -1;
1198    }
1199
1200    if(UNLIKELY(swapzero)){
1201        list->retireFenceFd = -1;
1202        close(releaseFd);
1203    } else {
1204        list->retireFenceFd = releaseFd;
1205    }
1206
1207    return ret;
1208}
1209
1210void trimLayer(hwc_context_t *ctx, const int& dpy, const int& transform,
1211        hwc_rect_t& crop, hwc_rect_t& dst) {
1212    int hw_w = ctx->dpyAttr[dpy].xres;
1213    int hw_h = ctx->dpyAttr[dpy].yres;
1214    if(dst.left < 0 || dst.top < 0 ||
1215            dst.right > hw_w || dst.bottom > hw_h) {
1216        hwc_rect_t scissor = {0, 0, hw_w, hw_h };
1217        qhwc::calculate_crop_rects(crop, dst, scissor, transform);
1218    }
1219}
1220
1221void setMdpFlags(hwc_layer_1_t *layer,
1222        ovutils::eMdpFlags &mdpFlags,
1223        int rotDownscale, int transform) {
1224    private_handle_t *hnd = (private_handle_t *)layer->handle;
1225    MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
1226
1227    if(layer->blending == HWC_BLENDING_PREMULT) {
1228        ovutils::setMdpFlags(mdpFlags,
1229                ovutils::OV_MDP_BLEND_FG_PREMULT);
1230    }
1231
1232    if(isYuvBuffer(hnd)) {
1233        if(isSecureBuffer(hnd)) {
1234            ovutils::setMdpFlags(mdpFlags,
1235                    ovutils::OV_MDP_SECURE_OVERLAY_SESSION);
1236        }
1237        if(metadata && (metadata->operation & PP_PARAM_INTERLACED) &&
1238                metadata->interlaced) {
1239            ovutils::setMdpFlags(mdpFlags,
1240                    ovutils::OV_MDP_DEINTERLACE);
1241        }
1242        //Pre-rotation will be used using rotator.
1243        if(transform & HWC_TRANSFORM_ROT_90) {
1244            ovutils::setMdpFlags(mdpFlags,
1245                    ovutils::OV_MDP_SOURCE_ROTATED_90);
1246        }
1247    }
1248
1249    //No 90 component and no rot-downscale then flips done by MDP
1250    //If we use rot then it might as well do flips
1251    if(!(transform & HWC_TRANSFORM_ROT_90) && !rotDownscale) {
1252        if(transform & HWC_TRANSFORM_FLIP_H) {
1253            ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_FLIP_H);
1254        }
1255
1256        if(transform & HWC_TRANSFORM_FLIP_V) {
1257            ovutils::setMdpFlags(mdpFlags,  ovutils::OV_MDP_FLIP_V);
1258        }
1259    }
1260
1261    if(metadata &&
1262        ((metadata->operation & PP_PARAM_HSIC)
1263        || (metadata->operation & PP_PARAM_IGC)
1264        || (metadata->operation & PP_PARAM_SHARP2))) {
1265        ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_PP_EN);
1266    }
1267}
1268
1269int configRotator(Rotator *rot, Whf& whf,
1270        hwc_rect_t& crop, const eMdpFlags& mdpFlags,
1271        const eTransform& orient, const int& downscale) {
1272
1273    // Fix alignments for TILED format
1274    if(whf.format == MDP_Y_CRCB_H2V2_TILE ||
1275                            whf.format == MDP_Y_CBCR_H2V2_TILE) {
1276        whf.w =  utils::alignup(whf.w, 64);
1277        whf.h = utils::alignup(whf.h, 32);
1278    }
1279    rot->setSource(whf);
1280
1281    if (qdutils::MDPVersion::getInstance().getMDPVersion() >=
1282        qdutils::MDSS_V5) {
1283        uint32_t crop_w = (crop.right - crop.left);
1284        uint32_t crop_h = (crop.bottom - crop.top);
1285        if (ovutils::isYuv(whf.format)) {
1286            ovutils::normalizeCrop((uint32_t&)crop.left, crop_w);
1287            ovutils::normalizeCrop((uint32_t&)crop.top, crop_h);
1288            // For interlaced, crop.h should be 4-aligned
1289            if ((mdpFlags & ovutils::OV_MDP_DEINTERLACE) && (crop_h % 4))
1290                crop_h = ovutils::aligndown(crop_h, 4);
1291            crop.right = crop.left + crop_w;
1292            crop.bottom = crop.top + crop_h;
1293        }
1294        Dim rotCrop(crop.left, crop.top, crop_w, crop_h);
1295        rot->setCrop(rotCrop);
1296    }
1297
1298    rot->setFlags(mdpFlags);
1299    rot->setTransform(orient);
1300    rot->setDownscale(downscale);
1301    if(!rot->commit()) return -1;
1302    return 0;
1303}
1304
1305int configMdp(Overlay *ov, const PipeArgs& parg,
1306        const eTransform& orient, const hwc_rect_t& crop,
1307        const hwc_rect_t& pos, const MetaData_t *metadata,
1308        const eDest& dest) {
1309    ov->setSource(parg, dest);
1310    ov->setTransform(orient, dest);
1311
1312    int crop_w = crop.right - crop.left;
1313    int crop_h = crop.bottom - crop.top;
1314    Dim dcrop(crop.left, crop.top, crop_w, crop_h);
1315    ov->setCrop(dcrop, dest);
1316
1317    int posW = pos.right - pos.left;
1318    int posH = pos.bottom - pos.top;
1319    Dim position(pos.left, pos.top, posW, posH);
1320    ov->setPosition(position, dest);
1321
1322    if (metadata)
1323        ov->setVisualParams(*metadata, dest);
1324
1325    if (!ov->commit(dest)) {
1326        return -1;
1327    }
1328    return 0;
1329}
1330
1331void updateSource(eTransform& orient, Whf& whf,
1332        hwc_rect_t& crop) {
1333    Dim srcCrop(crop.left, crop.top,
1334            crop.right - crop.left,
1335            crop.bottom - crop.top);
1336    orient = static_cast<eTransform>(ovutils::getMdpOrient(orient));
1337    preRotateSource(orient, whf, srcCrop);
1338    if (qdutils::MDPVersion::getInstance().getMDPVersion() >=
1339        qdutils::MDSS_V5) {
1340        // Source for overlay will be the cropped (and rotated)
1341        crop.left = 0;
1342        crop.top = 0;
1343        crop.right = srcCrop.w;
1344        crop.bottom = srcCrop.h;
1345        // Set width & height equal to sourceCrop w & h
1346        whf.w = srcCrop.w;
1347        whf.h = srcCrop.h;
1348    } else {
1349        crop.left = srcCrop.x;
1350        crop.top = srcCrop.y;
1351        crop.right = srcCrop.x + srcCrop.w;
1352        crop.bottom = srcCrop.y + srcCrop.h;
1353    }
1354}
1355
1356int configureNonSplit(hwc_context_t *ctx, hwc_layer_1_t *layer,
1357        const int& dpy, eMdpFlags& mdpFlags, eZorder& z,
1358        eIsFg& isFg, const eDest& dest, Rotator **rot) {
1359
1360    private_handle_t *hnd = (private_handle_t *)layer->handle;
1361    if(!hnd) {
1362        ALOGE("%s: layer handle is NULL", __FUNCTION__);
1363        return -1;
1364    }
1365
1366    MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
1367
1368    hwc_rect_t crop = layer->sourceCrop;
1369    hwc_rect_t dst = layer->displayFrame;
1370    int transform = layer->transform;
1371    eTransform orient = static_cast<eTransform>(transform);
1372    int downscale = 0;
1373    int rotFlags = ovutils::ROT_FLAGS_NONE;
1374    Whf whf(hnd->width, hnd->height,
1375            getMdpFormat(hnd->format), hnd->size);
1376
1377    if(dpy && isYuvBuffer(hnd)) {
1378        if(!ctx->listStats[dpy].isDisplayAnimating) {
1379            ctx->mPrevCropVideo = crop;
1380            ctx->mPrevDestVideo = dst;
1381            ctx->mPrevTransformVideo = transform;
1382        } else {
1383            // Restore the previous crop, dest rect and transform values, during
1384            // animation to avoid displaying videos at random coordinates.
1385            crop = ctx->mPrevCropVideo;
1386            dst = ctx->mPrevDestVideo;
1387            transform = ctx->mPrevTransformVideo;
1388            orient = static_cast<eTransform>(transform);
1389            //In you tube use case when a device rotated from landscape to
1390            // portrait, set the isFg flag and zOrder to avoid displaying UI on
1391            // hdmi during animation
1392            if(ctx->deviceOrientation) {
1393                isFg = ovutils::IS_FG_SET;
1394                z = ZORDER_1;
1395            }
1396        }
1397        calcExtDisplayPosition(ctx, hnd, dpy, crop, dst,
1398                                           transform, orient);
1399    }
1400
1401    if(isYuvBuffer(hnd) && ctx->mMDP.version >= qdutils::MDP_V4_2 &&
1402       ctx->mMDP.version < qdutils::MDSS_V5) {
1403        downscale =  getDownscaleFactor(
1404            crop.right - crop.left,
1405            crop.bottom - crop.top,
1406            dst.right - dst.left,
1407            dst.bottom - dst.top);
1408        if(downscale) {
1409            rotFlags = ROT_DOWNSCALE_ENABLED;
1410        }
1411    }
1412
1413    setMdpFlags(layer, mdpFlags, downscale, transform);
1414    trimLayer(ctx, dpy, transform, crop, dst);
1415
1416    if(isYuvBuffer(hnd) && //if 90 component or downscale, use rot
1417            ((transform & HWC_TRANSFORM_ROT_90) || downscale)) {
1418        *rot = ctx->mRotMgr->getNext();
1419        if(*rot == NULL) return -1;
1420        BwcPM::setBwc(ctx, crop, dst, transform, mdpFlags);
1421        //Configure rotator for pre-rotation
1422        if(configRotator(*rot, whf, crop, mdpFlags, orient, downscale) < 0) {
1423            ALOGE("%s: configRotator failed!", __FUNCTION__);
1424            ctx->mOverlay->clear(dpy);
1425            return -1;
1426        }
1427        ctx->mLayerRotMap[dpy]->add(layer, *rot);
1428        whf.format = (*rot)->getDstFormat();
1429        updateSource(orient, whf, crop);
1430        rotFlags |= ovutils::ROT_PREROTATED;
1431    }
1432
1433    //For the mdp, since either we are pre-rotating or MDP does flips
1434    orient = OVERLAY_TRANSFORM_0;
1435    transform = 0;
1436    PipeArgs parg(mdpFlags, whf, z, isFg,
1437                  static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
1438                  (ovutils::eBlending) getBlending(layer->blending));
1439
1440    if(configMdp(ctx->mOverlay, parg, orient, crop, dst, metadata, dest) < 0) {
1441        ALOGE("%s: commit failed for low res panel", __FUNCTION__);
1442        return -1;
1443    }
1444    return 0;
1445}
1446
1447//Helper to 1) Ensure crops dont have gaps 2) Ensure L and W are even
1448void sanitizeSourceCrop(hwc_rect_t& cropL, hwc_rect_t& cropR,
1449        private_handle_t *hnd) {
1450    if(cropL.right - cropL.left) {
1451        if(isYuvBuffer(hnd)) {
1452            //Always safe to even down left
1453            ovutils::even_floor(cropL.left);
1454            //If right is even, automatically width is even, since left is
1455            //already even
1456            ovutils::even_floor(cropL.right);
1457        }
1458        //Make sure there are no gaps between left and right splits if the layer
1459        //is spread across BOTH halves
1460        if(cropR.right - cropR.left) {
1461            cropR.left = cropL.right;
1462        }
1463    }
1464
1465    if(cropR.right - cropR.left) {
1466        if(isYuvBuffer(hnd)) {
1467            //Always safe to even down left
1468            ovutils::even_floor(cropR.left);
1469            //If right is even, automatically width is even, since left is
1470            //already even
1471            ovutils::even_floor(cropR.right);
1472        }
1473    }
1474}
1475
1476int configureSplit(hwc_context_t *ctx, hwc_layer_1_t *layer,
1477        const int& dpy, eMdpFlags& mdpFlagsL, eZorder& z,
1478        eIsFg& isFg, const eDest& lDest, const eDest& rDest,
1479        Rotator **rot) {
1480    private_handle_t *hnd = (private_handle_t *)layer->handle;
1481    if(!hnd) {
1482        ALOGE("%s: layer handle is NULL", __FUNCTION__);
1483        return -1;
1484    }
1485
1486    MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
1487
1488    int hw_w = ctx->dpyAttr[dpy].xres;
1489    int hw_h = ctx->dpyAttr[dpy].yres;
1490    hwc_rect_t crop = layer->sourceCrop;
1491    hwc_rect_t dst = layer->displayFrame;
1492    int transform = layer->transform;
1493    eTransform orient = static_cast<eTransform>(transform);
1494    const int downscale = 0;
1495    int rotFlags = ROT_FLAGS_NONE;
1496
1497    Whf whf(hnd->width, hnd->height,
1498            getMdpFormat(hnd->format), hnd->size);
1499
1500    if(dpy && isYuvBuffer(hnd)) {
1501        if(!ctx->listStats[dpy].isDisplayAnimating) {
1502            ctx->mPrevCropVideo = crop;
1503            ctx->mPrevDestVideo = dst;
1504            ctx->mPrevTransformVideo = transform;
1505        } else {
1506            // Restore the previous crop, dest rect and transform values, during
1507            // animation to avoid displaying videos at random coordinates.
1508            crop = ctx->mPrevCropVideo;
1509            dst = ctx->mPrevDestVideo;
1510            transform = ctx->mPrevTransformVideo;
1511            orient = static_cast<eTransform>(transform);
1512            //In you tube use case when a device rotated from landscape to
1513            // portrait, set the isFg flag and zOrder to avoid displaying UI on
1514            // hdmi during animation
1515            if(ctx->deviceOrientation) {
1516                isFg = ovutils::IS_FG_SET;
1517                z = ZORDER_1;
1518            }
1519        }
1520    }
1521
1522
1523    setMdpFlags(layer, mdpFlagsL, 0, transform);
1524
1525    if(lDest != OV_INVALID && rDest != OV_INVALID) {
1526        //Enable overfetch
1527        setMdpFlags(mdpFlagsL, OV_MDSS_MDP_DUAL_PIPE);
1528    }
1529
1530    trimLayer(ctx, dpy, transform, crop, dst);
1531
1532    //Will do something only if feature enabled and conditions suitable
1533    //hollow call otherwise
1534    if(ctx->mAD->prepare(ctx, crop, whf, hnd)) {
1535        overlay::Writeback *wb = overlay::Writeback::getInstance();
1536        whf.format = wb->getOutputFormat();
1537    }
1538
1539    if(isYuvBuffer(hnd) && (transform & HWC_TRANSFORM_ROT_90)) {
1540        (*rot) = ctx->mRotMgr->getNext();
1541        if((*rot) == NULL) return -1;
1542        //Configure rotator for pre-rotation
1543        if(configRotator(*rot, whf, crop, mdpFlagsL, orient, downscale) < 0) {
1544            ALOGE("%s: configRotator failed!", __FUNCTION__);
1545            ctx->mOverlay->clear(dpy);
1546            return -1;
1547        }
1548        ctx->mLayerRotMap[dpy]->add(layer, *rot);
1549        whf.format = (*rot)->getDstFormat();
1550        updateSource(orient, whf, crop);
1551        rotFlags |= ROT_PREROTATED;
1552    }
1553
1554    eMdpFlags mdpFlagsR = mdpFlagsL;
1555    setMdpFlags(mdpFlagsR, OV_MDSS_MDP_RIGHT_MIXER);
1556
1557    hwc_rect_t tmp_cropL = {0}, tmp_dstL = {0};
1558    hwc_rect_t tmp_cropR = {0}, tmp_dstR = {0};
1559
1560    const int lSplit = getLeftSplit(ctx, dpy);
1561
1562    if(lDest != OV_INVALID) {
1563        tmp_cropL = crop;
1564        tmp_dstL = dst;
1565        hwc_rect_t scissor = {0, 0, lSplit, hw_h };
1566        qhwc::calculate_crop_rects(tmp_cropL, tmp_dstL, scissor, 0);
1567    }
1568    if(rDest != OV_INVALID) {
1569        tmp_cropR = crop;
1570        tmp_dstR = dst;
1571        hwc_rect_t scissor = {lSplit, 0, hw_w, hw_h };
1572        qhwc::calculate_crop_rects(tmp_cropR, tmp_dstR, scissor, 0);
1573    }
1574
1575    sanitizeSourceCrop(tmp_cropL, tmp_cropR, hnd);
1576
1577    //When buffer is H-flipped, contents of mixer config also needs to swapped
1578    //Not needed if the layer is confined to one half of the screen.
1579    //If rotator has been used then it has also done the flips, so ignore them.
1580    if((orient & OVERLAY_TRANSFORM_FLIP_H) && lDest != OV_INVALID
1581            && rDest != OV_INVALID && (*rot) == NULL) {
1582        hwc_rect_t new_cropR;
1583        new_cropR.left = tmp_cropL.left;
1584        new_cropR.right = new_cropR.left + (tmp_cropR.right - tmp_cropR.left);
1585
1586        hwc_rect_t new_cropL;
1587        new_cropL.left  = new_cropR.right;
1588        new_cropL.right = tmp_cropR.right;
1589
1590        tmp_cropL.left =  new_cropL.left;
1591        tmp_cropL.right =  new_cropL.right;
1592
1593        tmp_cropR.left = new_cropR.left;
1594        tmp_cropR.right =  new_cropR.right;
1595
1596    }
1597
1598    //For the mdp, since either we are pre-rotating or MDP does flips
1599    orient = OVERLAY_TRANSFORM_0;
1600    transform = 0;
1601
1602    //configure left mixer
1603    if(lDest != OV_INVALID) {
1604        PipeArgs pargL(mdpFlagsL, whf, z, isFg,
1605                       static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
1606                       (ovutils::eBlending) getBlending(layer->blending));
1607
1608        if(configMdp(ctx->mOverlay, pargL, orient,
1609                tmp_cropL, tmp_dstL, metadata, lDest) < 0) {
1610            ALOGE("%s: commit failed for left mixer config", __FUNCTION__);
1611            return -1;
1612        }
1613    }
1614
1615    //configure right mixer
1616    if(rDest != OV_INVALID) {
1617        PipeArgs pargR(mdpFlagsR, whf, z, isFg,
1618                       static_cast<eRotFlags>(rotFlags),
1619                       layer->planeAlpha,
1620                       (ovutils::eBlending) getBlending(layer->blending));
1621        tmp_dstR.right = tmp_dstR.right - lSplit;
1622        tmp_dstR.left = tmp_dstR.left - lSplit;
1623        if(configMdp(ctx->mOverlay, pargR, orient,
1624                tmp_cropR, tmp_dstR, metadata, rDest) < 0) {
1625            ALOGE("%s: commit failed for right mixer config", __FUNCTION__);
1626            return -1;
1627        }
1628    }
1629
1630    return 0;
1631}
1632
1633bool canUseRotator(hwc_context_t *ctx, int dpy) {
1634    if(qdutils::MDPVersion::getInstance().is8x26() &&
1635            ctx->mVirtualDisplay->isConnected() &&
1636            !ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].isPause) {
1637        // Allow if YUV needs rotation and DMA is configured to BLOCK mode for
1638        // primary. For portrait videos usecase on WFD, Driver supports
1639        // multiplexing of DMA pipe in LINE and BLOCK mode.
1640        if(dpy == HWC_DISPLAY_PRIMARY)
1641            return false;
1642    }
1643    if(ctx->mMDP.version == qdutils::MDP_V3_0_4)
1644        return false;
1645    return true;
1646}
1647
1648int getLeftSplit(hwc_context_t *ctx, const int& dpy) {
1649    //Default even split for all displays with high res
1650    int lSplit = ctx->dpyAttr[dpy].xres / 2;
1651    if(dpy == HWC_DISPLAY_PRIMARY &&
1652            qdutils::MDPVersion::getInstance().getLeftSplit()) {
1653        //Override if split published by driver for primary
1654        lSplit = qdutils::MDPVersion::getInstance().getLeftSplit();
1655    }
1656    return lSplit;
1657}
1658
1659bool isDisplaySplit(hwc_context_t* ctx, int dpy) {
1660    if(ctx->dpyAttr[dpy].xres > qdutils::MAX_DISPLAY_DIM) {
1661        return true;
1662    }
1663    //For testing we could split primary via device tree values
1664    if(dpy == HWC_DISPLAY_PRIMARY &&
1665        qdutils::MDPVersion::getInstance().getRightSplit()) {
1666        return true;
1667    }
1668    return false;
1669}
1670
1671void BwcPM::setBwc(hwc_context_t *ctx, const hwc_rect_t& crop,
1672            const hwc_rect_t& dst, const int& transform,
1673            ovutils::eMdpFlags& mdpFlags) {
1674    //Target doesnt support Bwc
1675    if(!qdutils::MDPVersion::getInstance().supportsBWC()) {
1676        return;
1677    }
1678    //src width > MAX mixer supported dim
1679    if((crop.right - crop.left) > qdutils::MAX_DISPLAY_DIM) {
1680        return;
1681    }
1682    //External connected
1683    if(ctx->mExtDisplay->isConnected()|| ctx->mVirtualDisplay->isConnected()) {
1684        return;
1685    }
1686    //Decimation necessary, cannot use BWC. H/W requirement.
1687    if(qdutils::MDPVersion::getInstance().supportsDecimation()) {
1688        int src_w = crop.right - crop.left;
1689        int src_h = crop.bottom - crop.top;
1690        int dst_w = dst.right - dst.left;
1691        int dst_h = dst.bottom - dst.top;
1692        if(transform & HAL_TRANSFORM_ROT_90) {
1693            swap(src_w, src_h);
1694        }
1695        float horDscale = 0.0f;
1696        float verDscale = 0.0f;
1697        int horzDeci = 0;
1698        int vertDeci = 0;
1699        ovutils::getDecimationFactor(src_w, src_h, dst_w, dst_h, horDscale,
1700                verDscale);
1701        //TODO Use log2f once math.h has it
1702        if((int)horDscale)
1703            horzDeci = (int)(log(horDscale) / log(2));
1704        if((int)verDscale)
1705            vertDeci = (int)(log(verDscale) / log(2));
1706        if(horzDeci || vertDeci) return;
1707    }
1708    //Property
1709    char value[PROPERTY_VALUE_MAX];
1710    property_get("debug.disable.bwc", value, "0");
1711     if(atoi(value)) return;
1712
1713    ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDSS_MDP_BWC_EN);
1714}
1715
1716void LayerRotMap::add(hwc_layer_1_t* layer, Rotator *rot) {
1717    if(mCount >= MAX_SESS) return;
1718    mLayer[mCount] = layer;
1719    mRot[mCount] = rot;
1720    mCount++;
1721}
1722
1723void LayerRotMap::reset() {
1724    for (int i = 0; i < MAX_SESS; i++) {
1725        mLayer[i] = 0;
1726        mRot[i] = 0;
1727    }
1728    mCount = 0;
1729}
1730
1731void LayerRotMap::setReleaseFd(const int& fence) {
1732    for(uint32_t i = 0; i < mCount; i++) {
1733        mRot[i]->setReleaseFd(dup(fence));
1734    }
1735}
1736
1737};//namespace qhwc
1738