1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 * Copyright (C) 2012-2014, 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 "external.h"
41#include "virtual.h"
42#include "hwc_qclient.h"
43#include "QService.h"
44#include "comptype.h"
45#include "hwc_virtual.h"
46
47using namespace qClient;
48using namespace qService;
49using namespace android;
50using namespace overlay;
51using namespace overlay::utils;
52namespace ovutils = overlay::utils;
53
54#ifdef QCOM_BSP
55#ifdef __cplusplus
56extern "C" {
57#endif
58
59EGLAPI EGLBoolean eglGpuPerfHintQCOM(EGLDisplay dpy, EGLContext ctx,
60                                           EGLint *attrib_list);
61#define EGL_GPU_HINT_1        0x32D0
62#define EGL_GPU_HINT_2        0x32D1
63
64#define EGL_GPU_LEVEL_0       0x0
65#define EGL_GPU_LEVEL_1       0x1
66#define EGL_GPU_LEVEL_2       0x2
67#define EGL_GPU_LEVEL_3       0x3
68#define EGL_GPU_LEVEL_4       0x4
69#define EGL_GPU_LEVEL_5       0x5
70
71#ifdef __cplusplus
72}
73#endif
74#endif
75
76namespace qhwc {
77
78bool isValidResolution(hwc_context_t *ctx, uint32_t xres, uint32_t yres)
79{
80    return !((xres > qdutils::MAX_DISPLAY_DIM &&
81                !isDisplaySplit(ctx, HWC_DISPLAY_PRIMARY)) ||
82            (xres < MIN_DISPLAY_XRES || yres < MIN_DISPLAY_YRES));
83}
84
85void changeResolution(hwc_context_t *ctx, int xres_orig, int yres_orig) {
86    //Store original display resolution.
87    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres_orig = xres_orig;
88    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres_orig = yres_orig;
89    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].customFBSize = false;
90
91    char property[PROPERTY_VALUE_MAX] = {'\0'};
92    char *yptr = NULL;
93    if (property_get("debug.hwc.fbsize", property, NULL) > 0) {
94        yptr = strcasestr(property,"x");
95        int xres = atoi(property);
96        int yres = atoi(yptr + 1);
97        if (isValidResolution(ctx,xres,yres) &&
98                 xres != xres_orig && yres != yres_orig) {
99            ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres = xres;
100            ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres = yres;
101            ctx->dpyAttr[HWC_DISPLAY_PRIMARY].customFBSize = true;
102        }
103    }
104}
105
106static int openFramebufferDevice(hwc_context_t *ctx)
107{
108    struct fb_fix_screeninfo finfo;
109    struct fb_var_screeninfo info;
110
111    int fb_fd = openFb(HWC_DISPLAY_PRIMARY);
112    if(fb_fd < 0) {
113        ALOGE("%s: Error Opening FB : %s", __FUNCTION__, strerror(errno));
114        return -errno;
115    }
116
117    if (ioctl(fb_fd, FBIOGET_VSCREENINFO, &info) == -1) {
118        ALOGE("%s:Error in ioctl FBIOGET_VSCREENINFO: %s", __FUNCTION__,
119                                                       strerror(errno));
120        close(fb_fd);
121        return -errno;
122    }
123
124    if (int(info.width) <= 0 || int(info.height) <= 0) {
125        // the driver doesn't return that information
126        // default to 160 dpi
127        info.width  = (int)(((float)info.xres * 25.4f)/160.0f + 0.5f);
128        info.height = (int)(((float)info.yres * 25.4f)/160.0f + 0.5f);
129    }
130
131    float xdpi = ((float)info.xres * 25.4f) / (float)info.width;
132    float ydpi = ((float)info.yres * 25.4f) / (float)info.height;
133
134#ifdef MSMFB_METADATA_GET
135    struct msmfb_metadata metadata;
136    memset(&metadata, 0 , sizeof(metadata));
137    metadata.op = metadata_op_frame_rate;
138
139    if (ioctl(fb_fd, MSMFB_METADATA_GET, &metadata) == -1) {
140        ALOGE("%s:Error retrieving panel frame rate: %s", __FUNCTION__,
141                                                      strerror(errno));
142        close(fb_fd);
143        return -errno;
144    }
145
146    float fps  = (float)metadata.data.panel_frame_rate;
147#else
148    //XXX: Remove reserved field usage on all baselines
149    //The reserved[3] field is used to store FPS by the driver.
150    float fps  = info.reserved[3] & 0xFF;
151#endif
152
153    if (ioctl(fb_fd, FBIOGET_FSCREENINFO, &finfo) == -1) {
154        ALOGE("%s:Error in ioctl FBIOGET_FSCREENINFO: %s", __FUNCTION__,
155                                                       strerror(errno));
156        close(fb_fd);
157        return -errno;
158    }
159
160    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = fb_fd;
161    //xres, yres may not be 32 aligned
162    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].stride = finfo.line_length /(info.xres/8);
163    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres = info.xres;
164    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres = info.yres;
165    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xdpi = xdpi;
166    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].ydpi = ydpi;
167    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].vsync_period =
168            (uint32_t)(1000000000l / fps);
169
170    //To change resolution of primary display
171    changeResolution(ctx, info.xres, info.yres);
172
173    //Unblank primary on first boot
174    if(ioctl(fb_fd, FBIOBLANK,FB_BLANK_UNBLANK) < 0) {
175        ALOGE("%s: Failed to unblank display", __FUNCTION__);
176        return -errno;
177    }
178    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].isActive = true;
179
180    return 0;
181}
182
183void initContext(hwc_context_t *ctx)
184{
185    openFramebufferDevice(ctx);
186    char value[PROPERTY_VALUE_MAX];
187    ctx->mMDP.version = qdutils::MDPVersion::getInstance().getMDPVersion();
188    ctx->mMDP.hasOverlay = qdutils::MDPVersion::getInstance().hasOverlay();
189    ctx->mMDP.panel = qdutils::MDPVersion::getInstance().getPanelType();
190    overlay::Overlay::initOverlay();
191    ctx->mOverlay = overlay::Overlay::getInstance();
192    ctx->mRotMgr = RotMgr::getInstance();
193
194    //Is created and destroyed only once for primary
195    //For external it could get created and destroyed multiple times depending
196    //on what external we connect to.
197    ctx->mFBUpdate[HWC_DISPLAY_PRIMARY] =
198        IFBUpdate::getObject(ctx, HWC_DISPLAY_PRIMARY);
199
200    // Check if the target supports copybit compostion (dyn/mdp) to
201    // decide if we need to open the copybit module.
202    int compositionType =
203        qdutils::QCCompositionType::getInstance().getCompositionType();
204
205    // Only MDP copybit is used
206    if ((compositionType & (qdutils::COMPOSITION_TYPE_DYN |
207            qdutils::COMPOSITION_TYPE_MDP)) &&
208            (qdutils::MDPVersion::getInstance().getMDPVersion() ==
209            qdutils::MDP_V3_0_4)) {
210        ctx->mCopyBit[HWC_DISPLAY_PRIMARY] = new CopyBit(ctx,
211                                                         HWC_DISPLAY_PRIMARY);
212    }
213
214    ctx->mExtDisplay = new ExternalDisplay(ctx);
215    ctx->mVirtualDisplay = new VirtualDisplay(ctx);
216    ctx->mVirtualonExtActive = false;
217    ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].isActive = false;
218    ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].connected = false;
219    ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].isActive = false;
220    ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].connected = false;
221    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].mDownScaleMode= false;
222    ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].mDownScaleMode = false;
223    ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].mDownScaleMode = false;
224
225    ctx->mMDPComp[HWC_DISPLAY_PRIMARY] =
226         MDPComp::getObject(ctx, HWC_DISPLAY_PRIMARY);
227    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].connected = true;
228
229    ctx->mHWCVirtual = HWCVirtualBase::getObject(true /*vds enabled*/);
230
231    for (uint32_t i = 0; i < HWC_NUM_DISPLAY_TYPES; i++) {
232        ctx->mHwcDebug[i] = new HwcDebug(i);
233        ctx->mLayerRotMap[i] = new LayerRotMap();
234        ctx->mAnimationState[i] = ANIMATION_STOPPED;
235        ctx->dpyAttr[i].mActionSafePresent = false;
236        ctx->dpyAttr[i].mAsWidthRatio = 0;
237        ctx->dpyAttr[i].mAsHeightRatio = 0;
238    }
239
240    for (uint32_t i = 0; i < HWC_NUM_DISPLAY_TYPES; i++) {
241        ctx->mPrevHwLayerCount[i] = 0;
242    }
243
244    MDPComp::init(ctx);
245    ctx->mAD = new AssertiveDisplay(ctx);
246
247    ctx->vstate.enable = false;
248    ctx->vstate.fakevsync = false;
249    ctx->mExtOrientation = 0;
250    ctx->numActiveDisplays = 1;
251
252    //Right now hwc starts the service but anybody could do it, or it could be
253    //independent process as well.
254    QService::init();
255    sp<IQClient> client = new QClient(ctx);
256    sp<IQService> iqs = interface_cast<IQService>(
257            defaultServiceManager()->getService(
258            String16("display.qservice")));
259    if (iqs.get()) {
260      iqs->connect(client);
261      ctx->mQService = reinterpret_cast<QService* >(iqs.get());
262    } else {
263      ALOGE("%s: Failed to acquire service pointer", __FUNCTION__);
264      return;
265    }
266
267    // Initialize device orientation to its default orientation
268    ctx->deviceOrientation = 0;
269    ctx->mBufferMirrorMode = false;
270
271    // Read the system property to determine if downscale feature is enabled.
272    ctx->mMDPDownscaleEnabled = false;
273    if(property_get("sys.hwc.mdp_downscale_enabled", value, "false")
274            && !strcmp(value, "true")) {
275        ctx->mMDPDownscaleEnabled = true;
276    }
277
278    // Initialize gpu perfomance hint related parameters
279    property_get("sys.hwc.gpu_perf_mode", value, "0");
280#ifdef QCOM_BSP
281    ctx->mGPUHintInfo.mGpuPerfModeEnable = atoi(value)? true : false;
282
283    ctx->mGPUHintInfo.mEGLDisplay = NULL;
284    ctx->mGPUHintInfo.mEGLContext = NULL;
285    ctx->mGPUHintInfo.mPrevCompositionGLES = false;
286    ctx->mGPUHintInfo.mCurrGPUPerfMode = EGL_GPU_LEVEL_0;
287#endif
288    ALOGI("Initializing Qualcomm Hardware Composer");
289    ALOGI("MDP version: %d", ctx->mMDP.version);
290}
291
292void closeContext(hwc_context_t *ctx)
293{
294    if(ctx->mOverlay) {
295        delete ctx->mOverlay;
296        ctx->mOverlay = NULL;
297    }
298
299    if(ctx->mRotMgr) {
300        delete ctx->mRotMgr;
301        ctx->mRotMgr = NULL;
302    }
303
304    for(int i = 0; i < HWC_NUM_DISPLAY_TYPES; i++) {
305        if(ctx->mCopyBit[i]) {
306            delete ctx->mCopyBit[i];
307            ctx->mCopyBit[i] = NULL;
308        }
309    }
310
311    if(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd) {
312        close(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd);
313        ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = -1;
314    }
315
316    if(ctx->mExtDisplay) {
317        delete ctx->mExtDisplay;
318        ctx->mExtDisplay = NULL;
319    }
320
321    for(int i = 0; i < HWC_NUM_DISPLAY_TYPES; i++) {
322        if(ctx->mFBUpdate[i]) {
323            delete ctx->mFBUpdate[i];
324            ctx->mFBUpdate[i] = NULL;
325        }
326        if(ctx->mMDPComp[i]) {
327            delete ctx->mMDPComp[i];
328            ctx->mMDPComp[i] = NULL;
329        }
330        if(ctx->mHwcDebug[i]) {
331            delete ctx->mHwcDebug[i];
332            ctx->mHwcDebug[i] = NULL;
333        }
334        if(ctx->mLayerRotMap[i]) {
335            delete ctx->mLayerRotMap[i];
336            ctx->mLayerRotMap[i] = NULL;
337        }
338    }
339    if(ctx->mHWCVirtual) {
340        delete ctx->mHWCVirtual;
341        ctx->mHWCVirtual = NULL;
342    }
343    if(ctx->mAD) {
344        delete ctx->mAD;
345        ctx->mAD = NULL;
346    }
347
348    if(ctx->mQService) {
349        delete ctx->mQService;
350        ctx->mQService = NULL;
351    }
352}
353
354
355void dumpsys_log(android::String8& buf, const char* fmt, ...)
356{
357    va_list varargs;
358    va_start(varargs, fmt);
359    buf.appendFormatV(fmt, varargs);
360    va_end(varargs);
361}
362
363int getExtOrientation(hwc_context_t* ctx) {
364    int extOrient = ctx->mExtOrientation;
365    if(ctx->mBufferMirrorMode)
366        extOrient = getMirrorModeOrientation(ctx);
367    return extOrient;
368}
369
370/* Calculates the destination position based on the action safe rectangle */
371void getActionSafePosition(hwc_context_t *ctx, int dpy, hwc_rect_t& rect) {
372    // Position
373    int x = rect.left, y = rect.top;
374    int w = rect.right - rect.left;
375    int h = rect.bottom - rect.top;
376
377    if(!ctx->dpyAttr[dpy].mActionSafePresent)
378        return;
379   // Read action safe properties
380    int asWidthRatio = ctx->dpyAttr[dpy].mAsWidthRatio;
381    int asHeightRatio = ctx->dpyAttr[dpy].mAsHeightRatio;
382
383    float wRatio = 1.0;
384    float hRatio = 1.0;
385    float xRatio = 1.0;
386    float yRatio = 1.0;
387
388    int fbWidth = ctx->dpyAttr[dpy].xres;
389    int fbHeight = ctx->dpyAttr[dpy].yres;
390    if(ctx->dpyAttr[dpy].mDownScaleMode) {
391        // if downscale Mode is enabled for external, need to query
392        // the actual width and height, as that is the physical w & h
393         ctx->mExtDisplay->getAttributes(fbWidth, fbHeight);
394    }
395
396
397    // Since external is rotated 90, need to swap width/height
398    int extOrient = getExtOrientation(ctx);
399
400    if(extOrient & HWC_TRANSFORM_ROT_90)
401        swap(fbWidth, fbHeight);
402
403    float asX = 0;
404    float asY = 0;
405    float asW = (float)fbWidth;
406    float asH = (float)fbHeight;
407
408    // based on the action safe ratio, get the Action safe rectangle
409    asW = ((float)fbWidth * (1.0f -  (float)asWidthRatio / 100.0f));
410    asH = ((float)fbHeight * (1.0f -  (float)asHeightRatio / 100.0f));
411    asX = ((float)fbWidth - asW) / 2;
412    asY = ((float)fbHeight - asH) / 2;
413
414    // calculate the position ratio
415    xRatio = (float)x/(float)fbWidth;
416    yRatio = (float)y/(float)fbHeight;
417    wRatio = (float)w/(float)fbWidth;
418    hRatio = (float)h/(float)fbHeight;
419
420    //Calculate the position...
421    x = int((xRatio * asW) + asX);
422    y = int((yRatio * asH) + asY);
423    w = int(wRatio * asW);
424    h = int(hRatio * asH);
425
426    // Convert it back to hwc_rect_t
427    rect.left = x;
428    rect.top = y;
429    rect.right = w + rect.left;
430    rect.bottom = h + rect.top;
431
432    return;
433}
434
435/* Calculates the aspect ratio for based on src & dest */
436void getAspectRatioPosition(int destWidth, int destHeight, int srcWidth,
437                                int srcHeight, hwc_rect_t& rect) {
438   int x =0, y =0;
439
440   if (srcWidth * destHeight > destWidth * srcHeight) {
441        srcHeight = destWidth * srcHeight / srcWidth;
442        srcWidth = destWidth;
443    } else if (srcWidth * destHeight < destWidth * srcHeight) {
444        srcWidth = destHeight * srcWidth / srcHeight;
445        srcHeight = destHeight;
446    } else {
447        srcWidth = destWidth;
448        srcHeight = destHeight;
449    }
450    if (srcWidth > destWidth) srcWidth = destWidth;
451    if (srcHeight > destHeight) srcHeight = destHeight;
452    x = (destWidth - srcWidth) / 2;
453    y = (destHeight - srcHeight) / 2;
454    ALOGD_IF(HWC_UTILS_DEBUG, "%s: AS Position: x = %d, y = %d w = %d h = %d",
455             __FUNCTION__, x, y, srcWidth , srcHeight);
456    // Convert it back to hwc_rect_t
457    rect.left = x;
458    rect.top = y;
459    rect.right = srcWidth + rect.left;
460    rect.bottom = srcHeight + rect.top;
461}
462
463// This function gets the destination position for Seconday display
464// based on the position and aspect ratio with orientation
465void getAspectRatioPosition(hwc_context_t* ctx, int dpy, int extOrientation,
466                            hwc_rect_t& inRect, hwc_rect_t& outRect) {
467    // Physical display resolution
468    float fbWidth  = (float)ctx->dpyAttr[dpy].xres;
469    float fbHeight = (float)ctx->dpyAttr[dpy].yres;
470    //display position(x,y,w,h) in correct aspectratio after rotation
471    int xPos = 0;
472    int yPos = 0;
473    float width = fbWidth;
474    float height = fbHeight;
475    // Width/Height used for calculation, after rotation
476    float actualWidth = fbWidth;
477    float actualHeight = fbHeight;
478
479    float wRatio = 1.0;
480    float hRatio = 1.0;
481    float xRatio = 1.0;
482    float yRatio = 1.0;
483    hwc_rect_t rect = {0, 0, (int)fbWidth, (int)fbHeight};
484
485    Dim inPos(inRect.left, inRect.top, inRect.right - inRect.left,
486                inRect.bottom - inRect.top);
487    Dim outPos(outRect.left, outRect.top, outRect.right - outRect.left,
488                outRect.bottom - outRect.top);
489
490    Whf whf((uint32_t)fbWidth, (uint32_t)fbHeight, 0);
491    eTransform extorient = static_cast<eTransform>(extOrientation);
492    // To calculate the destination co-ordinates in the new orientation
493    preRotateSource(extorient, whf, inPos);
494
495    if(extOrientation & HAL_TRANSFORM_ROT_90) {
496        // Swap width/height for input position
497        swapWidthHeight(actualWidth, actualHeight);
498        getAspectRatioPosition((int)fbWidth, (int)fbHeight, (int)actualWidth,
499                               (int)actualHeight, rect);
500        xPos = rect.left;
501        yPos = rect.top;
502        width = float(rect.right - rect.left);
503        height = float(rect.bottom - rect.top);
504    }
505    xRatio = (float)(inPos.x/actualWidth);
506    yRatio = (float)(inPos.y/actualHeight);
507    wRatio = (float)(inPos.w/actualWidth);
508    hRatio = (float)(inPos.h/actualHeight);
509
510    //Calculate the pos9ition...
511    outPos.x = uint32_t((xRatio * width) + (float)xPos);
512    outPos.y = uint32_t((yRatio * height) + (float)yPos);
513    outPos.w = uint32_t(wRatio * width);
514    outPos.h = uint32_t(hRatio * height);
515    ALOGD_IF(HWC_UTILS_DEBUG, "%s: Calculated AspectRatio Position: x = %d,"
516                 "y = %d w = %d h = %d", __FUNCTION__, outPos.x, outPos.y,
517                 outPos.w, outPos.h);
518
519    // For sidesync, the dest fb will be in portrait orientation, and the crop
520    // will be updated to avoid the black side bands, and it will be upscaled
521    // to fit the dest RB, so recalculate
522    // the position based on the new width and height
523    if ((extOrientation & HWC_TRANSFORM_ROT_90) &&
524                        isOrientationPortrait(ctx)) {
525        hwc_rect_t r = {0, 0, 0, 0};
526        //Calculate the position
527        xRatio = (float)(outPos.x - xPos)/width;
528        // GetaspectRatio -- tricky to get the correct aspect ratio
529        // But we need to do this.
530        getAspectRatioPosition((int)width, (int)height,
531                               (int)width,(int)height, r);
532        xPos = r.left;
533        yPos = r.top;
534        float tempHeight = float(r.bottom - r.top);
535        yRatio = (float)yPos/height;
536        wRatio = (float)outPos.w/width;
537        hRatio = tempHeight/height;
538
539        //Map the coordinates back to Framebuffer domain
540        outPos.x = uint32_t(xRatio * fbWidth);
541        outPos.y = uint32_t(yRatio * fbHeight);
542        outPos.w = uint32_t(wRatio * fbWidth);
543        outPos.h = uint32_t(hRatio * fbHeight);
544
545        ALOGD_IF(HWC_UTILS_DEBUG, "%s: Calculated AspectRatio for device in"
546                 "portrait: x = %d,y = %d w = %d h = %d", __FUNCTION__,
547                 outPos.x, outPos.y,
548                 outPos.w, outPos.h);
549    }
550    if(ctx->dpyAttr[dpy].mDownScaleMode) {
551        int extW, extH;
552        if(dpy == HWC_DISPLAY_EXTERNAL)
553            ctx->mExtDisplay->getAttributes(extW, extH);
554        else
555            ctx->mVirtualDisplay->getAttributes(extW, extH);
556        fbWidth  = (float)ctx->dpyAttr[dpy].xres;
557        fbHeight = (float)ctx->dpyAttr[dpy].yres;
558        //Calculate the position...
559        xRatio = (float)outPos.x/fbWidth;
560        yRatio = (float)outPos.y/fbHeight;
561        wRatio = (float)outPos.w/fbWidth;
562        hRatio = (float)outPos.h/fbHeight;
563
564        outPos.x = uint32_t(xRatio * (float)extW);
565        outPos.y = uint32_t(yRatio * (float)extH);
566        outPos.w = uint32_t(wRatio * (float)extW);
567        outPos.h = uint32_t(hRatio * (float)extH);
568    }
569    // Convert Dim to hwc_rect_t
570    outRect.left = outPos.x;
571    outRect.top = outPos.y;
572    outRect.right = outPos.x + outPos.w;
573    outRect.bottom = outPos.y + outPos.h;
574
575    return;
576}
577
578bool isPrimaryPortrait(hwc_context_t *ctx) {
579    int fbWidth = ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres;
580    int fbHeight = ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres;
581    if(fbWidth < fbHeight) {
582        return true;
583    }
584    return false;
585}
586
587bool isOrientationPortrait(hwc_context_t *ctx) {
588    if(isPrimaryPortrait(ctx)) {
589        return !(ctx->deviceOrientation & 0x1);
590    }
591    return (ctx->deviceOrientation & 0x1);
592}
593
594void calcExtDisplayPosition(hwc_context_t *ctx,
595                               private_handle_t *hnd,
596                               int dpy,
597                               hwc_rect_t& sourceCrop,
598                               hwc_rect_t& displayFrame,
599                               int& transform,
600                               ovutils::eTransform& orient) {
601    // Swap width and height when there is a 90deg transform
602    int extOrient = getExtOrientation(ctx);
603    if(dpy && !qdutils::MDPVersion::getInstance().is8x26()) {
604        if(!isYuvBuffer(hnd)) {
605            if(extOrient & HWC_TRANSFORM_ROT_90) {
606                int dstWidth = ctx->dpyAttr[dpy].xres;
607                int dstHeight = ctx->dpyAttr[dpy].yres;;
608                int srcWidth = ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres;
609                int srcHeight = ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres;
610                if(!isPrimaryPortrait(ctx)) {
611                    swap(srcWidth, srcHeight);
612                }                    // Get Aspect Ratio for external
613                getAspectRatioPosition(dstWidth, dstHeight, srcWidth,
614                                    srcHeight, displayFrame);
615                // Crop - this is needed, because for sidesync, the dest fb will
616                // be in portrait orientation, so update the crop to not show the
617                // black side bands.
618                if (isOrientationPortrait(ctx)) {
619                    sourceCrop = displayFrame;
620                    displayFrame.left = 0;
621                    displayFrame.top = 0;
622                    displayFrame.right = dstWidth;
623                    displayFrame.bottom = dstHeight;
624                }
625            }
626            if(ctx->dpyAttr[dpy].mDownScaleMode) {
627                int extW, extH;
628                // if downscale is enabled, map the co-ordinates to new
629                // domain(downscaled)
630                float fbWidth  = (float)ctx->dpyAttr[dpy].xres;
631                float fbHeight = (float)ctx->dpyAttr[dpy].yres;
632                // query MDP configured attributes
633                if(dpy == HWC_DISPLAY_EXTERNAL)
634                    ctx->mExtDisplay->getAttributes(extW, extH);
635                else
636                    ctx->mVirtualDisplay->getAttributes(extW, extH);
637                //Calculate the ratio...
638                float wRatio = ((float)extW)/fbWidth;
639                float hRatio = ((float)extH)/fbHeight;
640
641                //convert Dim to hwc_rect_t
642                displayFrame.left = int(wRatio*(float)displayFrame.left);
643                displayFrame.top = int(hRatio*(float)displayFrame.top);
644                displayFrame.right = int(wRatio*(float)displayFrame.right);
645                displayFrame.bottom = int(hRatio*(float)displayFrame.bottom);
646            }
647        }else {
648            if(extOrient || ctx->dpyAttr[dpy].mDownScaleMode) {
649                getAspectRatioPosition(ctx, dpy, extOrient,
650                                       displayFrame, displayFrame);
651            }
652        }
653        // If there is a external orientation set, use that
654        if(extOrient) {
655            transform = extOrient;
656            orient = static_cast<ovutils::eTransform >(extOrient);
657        }
658        // Calculate the actionsafe dimensions for External(dpy = 1 or 2)
659        getActionSafePosition(ctx, dpy, displayFrame);
660    }
661}
662
663/* Returns the orientation which needs to be set on External for
664 *  SideSync/Buffer Mirrormode
665 */
666int getMirrorModeOrientation(hwc_context_t *ctx) {
667    int extOrientation = 0;
668    int deviceOrientation = ctx->deviceOrientation;
669    if(!isPrimaryPortrait(ctx))
670        deviceOrientation = (deviceOrientation + 1) % 4;
671     if (deviceOrientation == 0)
672         extOrientation = HWC_TRANSFORM_ROT_270;
673     else if (deviceOrientation == 1)//90
674         extOrientation = 0;
675     else if (deviceOrientation == 2)//180
676         extOrientation = HWC_TRANSFORM_ROT_90;
677     else if (deviceOrientation == 3)//270
678         extOrientation = HWC_TRANSFORM_FLIP_V | HWC_TRANSFORM_FLIP_H;
679
680    return extOrientation;
681}
682
683/* Get External State names */
684const char* getExternalDisplayState(uint32_t external_state) {
685    static const char* externalStates[EXTERNAL_MAXSTATES] = {0};
686    externalStates[EXTERNAL_OFFLINE] = STR(EXTERNAL_OFFLINE);
687    externalStates[EXTERNAL_ONLINE]  = STR(EXTERNAL_ONLINE);
688    externalStates[EXTERNAL_PAUSE]   = STR(EXTERNAL_PAUSE);
689    externalStates[EXTERNAL_RESUME]  = STR(EXTERNAL_RESUME);
690
691    if(external_state >= EXTERNAL_MAXSTATES) {
692        return "EXTERNAL_INVALID";
693    }
694
695    return externalStates[external_state];
696}
697
698bool isDownscaleRequired(hwc_layer_1_t const* layer) {
699    hwc_rect_t displayFrame  = layer->displayFrame;
700    hwc_rect_t sourceCrop = integerizeSourceCrop(layer->sourceCropf);
701    int dst_w, dst_h, src_w, src_h;
702    dst_w = displayFrame.right - displayFrame.left;
703    dst_h = displayFrame.bottom - displayFrame.top;
704    src_w = sourceCrop.right - sourceCrop.left;
705    src_h = sourceCrop.bottom - sourceCrop.top;
706
707    if(((src_w > dst_w) || (src_h > dst_h)))
708        return true;
709
710    return false;
711}
712bool needsScaling(hwc_layer_1_t const* layer) {
713    int dst_w, dst_h, src_w, src_h;
714    hwc_rect_t displayFrame  = layer->displayFrame;
715    hwc_rect_t sourceCrop = integerizeSourceCrop(layer->sourceCropf);
716
717    dst_w = displayFrame.right - displayFrame.left;
718    dst_h = displayFrame.bottom - displayFrame.top;
719    src_w = sourceCrop.right - sourceCrop.left;
720    src_h = sourceCrop.bottom - sourceCrop.top;
721
722    if(((src_w != dst_w) || (src_h != dst_h)))
723        return true;
724
725    return false;
726}
727
728// Checks if layer needs scaling with split
729bool needsScalingWithSplit(hwc_context_t* ctx, hwc_layer_1_t const* layer,
730        const int& dpy) {
731
732    int src_width_l, src_height_l;
733    int src_width_r, src_height_r;
734    int dst_width_l, dst_height_l;
735    int dst_width_r, dst_height_r;
736    int hw_w = ctx->dpyAttr[dpy].xres;
737    int hw_h = ctx->dpyAttr[dpy].yres;
738    hwc_rect_t cropL, dstL, cropR, dstR;
739    const int lSplit = getLeftSplit(ctx, dpy);
740    hwc_rect_t sourceCrop = integerizeSourceCrop(layer->sourceCropf);
741    hwc_rect_t displayFrame  = layer->displayFrame;
742    private_handle_t *hnd = (private_handle_t *)layer->handle;
743
744    cropL = sourceCrop;
745    dstL = displayFrame;
746    hwc_rect_t scissorL = { 0, 0, lSplit, hw_h };
747    scissorL = getIntersection(ctx->mViewFrame[dpy], scissorL);
748    qhwc::calculate_crop_rects(cropL, dstL, scissorL, 0);
749
750    cropR = sourceCrop;
751    dstR = displayFrame;
752    hwc_rect_t scissorR = { lSplit, 0, hw_w, hw_h };
753    scissorR = getIntersection(ctx->mViewFrame[dpy], scissorR);
754    qhwc::calculate_crop_rects(cropR, dstR, scissorR, 0);
755
756    // Sanitize Crop to stitch
757    sanitizeSourceCrop(cropL, cropR, hnd);
758
759    // Calculate the left dst
760    dst_width_l = dstL.right - dstL.left;
761    dst_height_l = dstL.bottom - dstL.top;
762    src_width_l = cropL.right - cropL.left;
763    src_height_l = cropL.bottom - cropL.top;
764
765    // check if there is any scaling on the left
766    if(((src_width_l != dst_width_l) || (src_height_l != dst_height_l)))
767        return true;
768
769    // Calculate the right dst
770    dst_width_r = dstR.right - dstR.left;
771    dst_height_r = dstR.bottom - dstR.top;
772    src_width_r = cropR.right - cropR.left;
773    src_height_r = cropR.bottom - cropR.top;
774
775    // check if there is any scaling on the right
776    if(((src_width_r != dst_width_r) || (src_height_r != dst_height_r)))
777        return true;
778
779    return false;
780}
781
782bool isAlphaScaled(hwc_layer_1_t const* layer) {
783    if(needsScaling(layer) && isAlphaPresent(layer)) {
784        return true;
785    }
786    return false;
787}
788
789bool isAlphaPresent(hwc_layer_1_t const* layer) {
790    private_handle_t *hnd = (private_handle_t *)layer->handle;
791    if(hnd) {
792        int format = hnd->format;
793        switch(format) {
794        case HAL_PIXEL_FORMAT_RGBA_8888:
795        case HAL_PIXEL_FORMAT_BGRA_8888:
796            // In any more formats with Alpha go here..
797            return true;
798        default : return false;
799        }
800    }
801    return false;
802}
803
804static void trimLayer(hwc_context_t *ctx, const int& dpy, const int& transform,
805        hwc_rect_t& crop, hwc_rect_t& dst) {
806    int hw_w = ctx->dpyAttr[dpy].xres;
807    int hw_h = ctx->dpyAttr[dpy].yres;
808    if(dst.left < 0 || dst.top < 0 ||
809            dst.right > hw_w || dst.bottom > hw_h) {
810        hwc_rect_t scissor = {0, 0, hw_w, hw_h };
811        scissor = getIntersection(ctx->mViewFrame[dpy], scissor);
812        qhwc::calculate_crop_rects(crop, dst, scissor, transform);
813    }
814}
815
816static void trimList(hwc_context_t *ctx, hwc_display_contents_1_t *list,
817        const int& dpy) {
818    for(uint32_t i = 0; i < list->numHwLayers - 1; i++) {
819        hwc_layer_1_t *layer = &list->hwLayers[i];
820        hwc_rect_t crop = integerizeSourceCrop(layer->sourceCropf);
821        trimLayer(ctx, dpy,
822                list->hwLayers[i].transform,
823                (hwc_rect_t&)crop,
824                (hwc_rect_t&)list->hwLayers[i].displayFrame);
825        layer->sourceCropf.left = (float)crop.left;
826        layer->sourceCropf.right = (float)crop.right;
827        layer->sourceCropf.top = (float)crop.top;
828        layer->sourceCropf.bottom = (float)crop.bottom;
829    }
830}
831
832hwc_rect_t calculateDisplayViewFrame(hwc_context_t *ctx, int dpy) {
833    int dstWidth = ctx->dpyAttr[dpy].xres;
834    int dstHeight = ctx->dpyAttr[dpy].yres;
835    int srcWidth = ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres;
836    int srcHeight = ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres;
837    // default we assume viewframe as a full frame for primary display
838    hwc_rect outRect = {0, 0, dstWidth, dstHeight};
839    if(dpy) {
840        // swap srcWidth and srcHeight, if the device orientation is 90 or 270.
841        if(ctx->deviceOrientation & 0x1) {
842            swap(srcWidth, srcHeight);
843        }
844        // Get Aspect Ratio for external
845        getAspectRatioPosition(dstWidth, dstHeight, srcWidth,
846                            srcHeight, outRect);
847    }
848    ALOGD_IF(HWC_UTILS_DEBUG, "%s: view frame for dpy %d is [%d %d %d %d]",
849        __FUNCTION__, dpy, outRect.left, outRect.top,
850        outRect.right, outRect.bottom);
851    return outRect;
852}
853
854void setListStats(hwc_context_t *ctx,
855        hwc_display_contents_1_t *list, int dpy) {
856    const int prevYuvCount = ctx->listStats[dpy].yuvCount;
857    memset(&ctx->listStats[dpy], 0, sizeof(ListStats));
858    ctx->listStats[dpy].numAppLayers = (int)list->numHwLayers - 1;
859    ctx->listStats[dpy].fbLayerIndex = (int)list->numHwLayers - 1;
860    ctx->listStats[dpy].skipCount = 0;
861    ctx->listStats[dpy].preMultipliedAlpha = false;
862    ctx->listStats[dpy].isSecurePresent = false;
863    ctx->listStats[dpy].yuvCount = 0;
864    char property[PROPERTY_VALUE_MAX];
865    ctx->listStats[dpy].extOnlyLayerIndex = -1;
866    ctx->listStats[dpy].isDisplayAnimating = false;
867    ctx->listStats[dpy].secureUI = false;
868    ctx->listStats[dpy].yuv4k2kCount = 0;
869    ctx->mViewFrame[dpy] = (hwc_rect_t){0, 0, 0, 0};
870    ctx->dpyAttr[dpy].mActionSafePresent = isActionSafePresent(ctx, dpy);
871
872    resetROI(ctx, dpy);
873
874    // Calculate view frame of ext display from primary resolution
875    // and primary device orientation.
876    ctx->mViewFrame[dpy] = calculateDisplayViewFrame(ctx, dpy);
877
878    trimList(ctx, list, dpy);
879    optimizeLayerRects(list);
880
881    for (size_t i = 0; i < (size_t)ctx->listStats[dpy].numAppLayers; i++) {
882        hwc_layer_1_t const* layer = &list->hwLayers[i];
883        private_handle_t *hnd = (private_handle_t *)layer->handle;
884
885#ifdef QCOM_BSP
886        if (layer->flags & HWC_SCREENSHOT_ANIMATOR_LAYER) {
887            ctx->listStats[dpy].isDisplayAnimating = true;
888        }
889        if(isSecureDisplayBuffer(hnd)) {
890            ctx->listStats[dpy].secureUI = true;
891        }
892#endif
893        // continue if number of app layers exceeds MAX_NUM_APP_LAYERS
894        if(ctx->listStats[dpy].numAppLayers > MAX_NUM_APP_LAYERS)
895            continue;
896
897        //reset yuv indices
898        ctx->listStats[dpy].yuvIndices[i] = -1;
899        ctx->listStats[dpy].yuv4k2kIndices[i] = -1;
900
901        if (isSecureBuffer(hnd)) {
902            ctx->listStats[dpy].isSecurePresent = true;
903        }
904
905        if (isSkipLayer(&list->hwLayers[i])) {
906            ctx->listStats[dpy].skipCount++;
907        }
908
909        if (UNLIKELY(isYuvBuffer(hnd))) {
910            int& yuvCount = ctx->listStats[dpy].yuvCount;
911            ctx->listStats[dpy].yuvIndices[yuvCount] = (int)i;
912            yuvCount++;
913
914            if(UNLIKELY(is4kx2kYuvBuffer(hnd))){
915                int& yuv4k2kCount = ctx->listStats[dpy].yuv4k2kCount;
916                ctx->listStats[dpy].yuv4k2kIndices[yuv4k2kCount] = (int)i;
917                yuv4k2kCount++;
918            }
919        }
920        if(layer->blending == HWC_BLENDING_PREMULT)
921            ctx->listStats[dpy].preMultipliedAlpha = true;
922
923
924        if(UNLIKELY(isExtOnly(hnd))){
925            ctx->listStats[dpy].extOnlyLayerIndex = (int)i;
926        }
927    }
928    if(ctx->listStats[dpy].yuvCount > 0) {
929        if (property_get("hw.cabl.yuv", property, NULL) > 0) {
930            if (atoi(property) != 1) {
931                property_set("hw.cabl.yuv", "1");
932            }
933        }
934    } else {
935        if (property_get("hw.cabl.yuv", property, NULL) > 0) {
936            if (atoi(property) != 0) {
937                property_set("hw.cabl.yuv", "0");
938            }
939        }
940    }
941
942    //The marking of video begin/end is useful on some targets where we need
943    //to have a padding round to be able to shift pipes across mixers.
944    if(prevYuvCount != ctx->listStats[dpy].yuvCount) {
945        ctx->mVideoTransFlag = true;
946    }
947
948    if(dpy == HWC_DISPLAY_PRIMARY) {
949        ctx->mAD->markDoable(ctx, list);
950    }
951}
952
953
954static void calc_cut(double& leftCutRatio, double& topCutRatio,
955        double& rightCutRatio, double& bottomCutRatio, int orient) {
956    if(orient & HAL_TRANSFORM_FLIP_H) {
957        swap(leftCutRatio, rightCutRatio);
958    }
959    if(orient & HAL_TRANSFORM_FLIP_V) {
960        swap(topCutRatio, bottomCutRatio);
961    }
962    if(orient & HAL_TRANSFORM_ROT_90) {
963        //Anti clock swapping
964        double tmpCutRatio = leftCutRatio;
965        leftCutRatio = topCutRatio;
966        topCutRatio = rightCutRatio;
967        rightCutRatio = bottomCutRatio;
968        bottomCutRatio = tmpCutRatio;
969    }
970}
971
972bool isSecuring(hwc_context_t* ctx, hwc_layer_1_t const* layer) {
973    if((ctx->mMDP.version < qdutils::MDSS_V5) &&
974       (ctx->mMDP.version > qdutils::MDP_V3_0) &&
975        ctx->mSecuring) {
976        return true;
977    }
978    if (isSecureModePolicy(ctx->mMDP.version)) {
979        private_handle_t *hnd = (private_handle_t *)layer->handle;
980        if(ctx->mSecureMode) {
981            if (! isSecureBuffer(hnd)) {
982                ALOGD_IF(HWC_UTILS_DEBUG,"%s:Securing Turning ON ...",
983                         __FUNCTION__);
984                return true;
985            }
986        } else {
987            if (isSecureBuffer(hnd)) {
988                ALOGD_IF(HWC_UTILS_DEBUG,"%s:Securing Turning OFF ...",
989                         __FUNCTION__);
990                return true;
991            }
992        }
993    }
994    return false;
995}
996
997bool isSecureModePolicy(int mdpVersion) {
998    if (mdpVersion < qdutils::MDSS_V5)
999        return true;
1000    else
1001        return false;
1002}
1003
1004// returns true if Action safe dimensions are set and target supports Actionsafe
1005bool isActionSafePresent(hwc_context_t *ctx, int dpy) {
1006    // if external supports underscan, do nothing
1007    // it will be taken care in the driver
1008    // Disable Action safe for 8974 due to HW limitation for downscaling
1009    // layers with overlapped region
1010    // Disable Actionsafe for non HDMI displays.
1011    if(!(dpy == HWC_DISPLAY_EXTERNAL) ||
1012        qdutils::MDPVersion::getInstance().is8x74v2() ||
1013        ctx->mExtDisplay->isCEUnderscanSupported()) {
1014        return false;
1015    }
1016
1017    char value[PROPERTY_VALUE_MAX];
1018    // Read action safe properties
1019    property_get("persist.sys.actionsafe.width", value, "0");
1020    ctx->dpyAttr[dpy].mAsWidthRatio = atoi(value);
1021    property_get("persist.sys.actionsafe.height", value, "0");
1022    ctx->dpyAttr[dpy].mAsHeightRatio = atoi(value);
1023
1024    if(!ctx->dpyAttr[dpy].mAsWidthRatio && !ctx->dpyAttr[dpy].mAsHeightRatio) {
1025        //No action safe ratio set, return
1026        return false;
1027    }
1028    return true;
1029}
1030
1031int getBlending(int blending) {
1032    switch(blending) {
1033    case HWC_BLENDING_NONE:
1034        return overlay::utils::OVERLAY_BLENDING_OPAQUE;
1035    case HWC_BLENDING_PREMULT:
1036        return overlay::utils::OVERLAY_BLENDING_PREMULT;
1037    case HWC_BLENDING_COVERAGE :
1038    default:
1039        return overlay::utils::OVERLAY_BLENDING_COVERAGE;
1040    }
1041}
1042
1043//Crops source buffer against destination and FB boundaries
1044void calculate_crop_rects(hwc_rect_t& crop, hwc_rect_t& dst,
1045                          const hwc_rect_t& scissor, int orient) {
1046
1047    int& crop_l = crop.left;
1048    int& crop_t = crop.top;
1049    int& crop_r = crop.right;
1050    int& crop_b = crop.bottom;
1051    int crop_w = crop.right - crop.left;
1052    int crop_h = crop.bottom - crop.top;
1053
1054    int& dst_l = dst.left;
1055    int& dst_t = dst.top;
1056    int& dst_r = dst.right;
1057    int& dst_b = dst.bottom;
1058    int dst_w = abs(dst.right - dst.left);
1059    int dst_h = abs(dst.bottom - dst.top);
1060
1061    const int& sci_l = scissor.left;
1062    const int& sci_t = scissor.top;
1063    const int& sci_r = scissor.right;
1064    const int& sci_b = scissor.bottom;
1065
1066    double leftCutRatio = 0.0, rightCutRatio = 0.0, topCutRatio = 0.0,
1067            bottomCutRatio = 0.0;
1068
1069    if(dst_l < sci_l) {
1070        leftCutRatio = (double)(sci_l - dst_l) / (double)dst_w;
1071        dst_l = sci_l;
1072    }
1073
1074    if(dst_r > sci_r) {
1075        rightCutRatio = (double)(dst_r - sci_r) / (double)dst_w;
1076        dst_r = sci_r;
1077    }
1078
1079    if(dst_t < sci_t) {
1080        topCutRatio = (double)(sci_t - dst_t) / (double)dst_h;
1081        dst_t = sci_t;
1082    }
1083
1084    if(dst_b > sci_b) {
1085        bottomCutRatio = (double)(dst_b - sci_b) / (double)dst_h;
1086        dst_b = sci_b;
1087    }
1088
1089    calc_cut(leftCutRatio, topCutRatio, rightCutRatio, bottomCutRatio, orient);
1090    crop_l += (int)round((double)crop_w * leftCutRatio);
1091    crop_t += (int)round((double)crop_h * topCutRatio);
1092    crop_r -= (int)round((double)crop_w * rightCutRatio);
1093    crop_b -= (int)round((double)crop_h * bottomCutRatio);
1094}
1095
1096bool areLayersIntersecting(const hwc_layer_1_t* layer1,
1097        const hwc_layer_1_t* layer2) {
1098    hwc_rect_t irect = getIntersection(layer1->displayFrame,
1099            layer2->displayFrame);
1100    return isValidRect(irect);
1101}
1102
1103bool isSameRect(const hwc_rect& rect1, const hwc_rect& rect2)
1104{
1105   return ((rect1.left == rect2.left) && (rect1.top == rect2.top) &&
1106           (rect1.right == rect2.right) && (rect1.bottom == rect2.bottom));
1107}
1108
1109bool isValidRect(const hwc_rect& rect)
1110{
1111   return ((rect.bottom > rect.top) && (rect.right > rect.left)) ;
1112}
1113
1114bool layerUpdating(const hwc_layer_1_t* layer) {
1115    hwc_region_t surfDamage = layer->surfaceDamage;
1116    return ((surfDamage.numRects == 0) ||
1117            isValidRect(layer->surfaceDamage.rects[0]));
1118}
1119
1120hwc_rect_t moveRect(const hwc_rect_t& rect, const int& x_off, const int& y_off)
1121{
1122    hwc_rect_t res;
1123
1124    if(!isValidRect(rect))
1125        return (hwc_rect_t){0, 0, 0, 0};
1126
1127    res.left = rect.left + x_off;
1128    res.top = rect.top + y_off;
1129    res.right = rect.right + x_off;
1130    res.bottom = rect.bottom + y_off;
1131
1132    return res;
1133}
1134
1135/* computes the intersection of two rects */
1136hwc_rect_t getIntersection(const hwc_rect_t& rect1, const hwc_rect_t& rect2)
1137{
1138   hwc_rect_t res;
1139
1140   if(!isValidRect(rect1) || !isValidRect(rect2)){
1141      return (hwc_rect_t){0, 0, 0, 0};
1142   }
1143
1144
1145   res.left = max(rect1.left, rect2.left);
1146   res.top = max(rect1.top, rect2.top);
1147   res.right = min(rect1.right, rect2.right);
1148   res.bottom = min(rect1.bottom, rect2.bottom);
1149
1150   if(!isValidRect(res))
1151      return (hwc_rect_t){0, 0, 0, 0};
1152
1153   return res;
1154}
1155
1156/* computes the union of two rects */
1157hwc_rect_t getUnion(const hwc_rect &rect1, const hwc_rect &rect2)
1158{
1159   hwc_rect_t res;
1160
1161   if(!isValidRect(rect1)){
1162      return rect2;
1163   }
1164
1165   if(!isValidRect(rect2)){
1166      return rect1;
1167   }
1168
1169   res.left = min(rect1.left, rect2.left);
1170   res.top = min(rect1.top, rect2.top);
1171   res.right =  max(rect1.right, rect2.right);
1172   res.bottom =  max(rect1.bottom, rect2.bottom);
1173
1174   return res;
1175}
1176
1177/* Not a geometrical rect deduction. Deducts rect2 from rect1 only if it results
1178 * a single rect */
1179hwc_rect_t deductRect(const hwc_rect_t& rect1, const hwc_rect_t& rect2) {
1180
1181   hwc_rect_t res = rect1;
1182
1183   if((rect1.left == rect2.left) && (rect1.right == rect2.right)) {
1184      if((rect1.top == rect2.top) && (rect2.bottom <= rect1.bottom))
1185         res.top = rect2.bottom;
1186      else if((rect1.bottom == rect2.bottom)&& (rect2.top >= rect1.top))
1187         res.bottom = rect2.top;
1188   }
1189   else if((rect1.top == rect2.top) && (rect1.bottom == rect2.bottom)) {
1190      if((rect1.left == rect2.left) && (rect2.right <= rect1.right))
1191         res.left = rect2.right;
1192      else if((rect1.right == rect2.right)&& (rect2.left >= rect1.left))
1193         res.right = rect2.left;
1194   }
1195   return res;
1196}
1197
1198void optimizeLayerRects(const hwc_display_contents_1_t *list) {
1199    int i= (int)list->numHwLayers-2;
1200    while(i > 0) {
1201        //see if there is no blending required.
1202        //If it is opaque see if we can substract this region from below
1203        //layers.
1204        if(list->hwLayers[i].blending == HWC_BLENDING_NONE) {
1205            int j= i-1;
1206            hwc_rect_t& topframe =
1207                (hwc_rect_t&)list->hwLayers[i].displayFrame;
1208            while(j >= 0) {
1209               if(!needsScaling(&list->hwLayers[j])) {
1210                  hwc_layer_1_t* layer = (hwc_layer_1_t*)&list->hwLayers[j];
1211                  hwc_rect_t& bottomframe = layer->displayFrame;
1212                  hwc_rect_t bottomCrop =
1213                      integerizeSourceCrop(layer->sourceCropf);
1214                  int transform =layer->transform;
1215
1216                  hwc_rect_t irect = getIntersection(bottomframe, topframe);
1217                  if(isValidRect(irect)) {
1218                     hwc_rect_t dest_rect;
1219                     //if intersection is valid rect, deduct it
1220                     dest_rect  = deductRect(bottomframe, irect);
1221                     qhwc::calculate_crop_rects(bottomCrop, bottomframe,
1222                                                dest_rect, transform);
1223                     //Update layer sourceCropf
1224                     layer->sourceCropf.left =(float)bottomCrop.left;
1225                     layer->sourceCropf.top = (float)bottomCrop.top;
1226                     layer->sourceCropf.right = (float)bottomCrop.right;
1227                     layer->sourceCropf.bottom = (float)bottomCrop.bottom;
1228#ifdef QCOM_BSP
1229                     //Update layer dirtyRect
1230                     layer->dirtyRect = getIntersection(bottomCrop,
1231                                            layer->dirtyRect);
1232#endif
1233                  }
1234               }
1235               j--;
1236            }
1237        }
1238        i--;
1239    }
1240}
1241
1242void getNonWormholeRegion(hwc_display_contents_1_t* list,
1243                              hwc_rect_t& nwr)
1244{
1245    size_t last = list->numHwLayers - 1;
1246    hwc_rect_t fbDisplayFrame = list->hwLayers[last].displayFrame;
1247    //Initiliaze nwr to first frame
1248    nwr.left =  list->hwLayers[0].displayFrame.left;
1249    nwr.top =  list->hwLayers[0].displayFrame.top;
1250    nwr.right =  list->hwLayers[0].displayFrame.right;
1251    nwr.bottom =  list->hwLayers[0].displayFrame.bottom;
1252
1253    for (size_t i = 1; i < last; i++) {
1254        hwc_rect_t displayFrame = list->hwLayers[i].displayFrame;
1255        nwr = getUnion(nwr, displayFrame);
1256    }
1257
1258    //Intersect with the framebuffer
1259    nwr = getIntersection(nwr, fbDisplayFrame);
1260}
1261
1262bool isExternalActive(hwc_context_t* ctx) {
1263    return ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].isActive;
1264}
1265
1266void closeAcquireFds(hwc_display_contents_1_t* list) {
1267    if(LIKELY(list)) {
1268        for(uint32_t i = 0; i < list->numHwLayers; i++) {
1269            //Close the acquireFenceFds
1270            //HWC_FRAMEBUFFER are -1 already by SF, rest we close.
1271            if(list->hwLayers[i].acquireFenceFd >= 0) {
1272                close(list->hwLayers[i].acquireFenceFd);
1273                list->hwLayers[i].acquireFenceFd = -1;
1274            }
1275        }
1276        //Writeback
1277        if(list->outbufAcquireFenceFd >= 0) {
1278            close(list->outbufAcquireFenceFd);
1279            list->outbufAcquireFenceFd = -1;
1280        }
1281    }
1282}
1283
1284int hwc_sync(hwc_context_t *ctx, hwc_display_contents_1_t* list, int dpy,
1285        int fd) {
1286    ATRACE_CALL();
1287    int ret = 0;
1288    int acquireFd[MAX_NUM_APP_LAYERS];
1289    int count = 0;
1290    int releaseFd = -1;
1291    int retireFd = -1;
1292    int fbFd = -1;
1293    bool swapzero = false;
1294
1295    struct mdp_buf_sync data;
1296    memset(&data, 0, sizeof(data));
1297    data.acq_fen_fd = acquireFd;
1298    data.rel_fen_fd = &releaseFd;
1299    data.retire_fen_fd = &retireFd;
1300    data.flags = MDP_BUF_SYNC_FLAG_RETIRE_FENCE;
1301
1302    char property[PROPERTY_VALUE_MAX];
1303    if(property_get("debug.egl.swapinterval", property, "1") > 0) {
1304        if(atoi(property) == 0)
1305            swapzero = true;
1306    }
1307
1308    bool isExtAnimating = false;
1309    if(dpy)
1310       isExtAnimating = ctx->listStats[dpy].isDisplayAnimating;
1311
1312    //Send acquireFenceFds to rotator
1313    for(uint32_t i = 0; i < ctx->mLayerRotMap[dpy]->getCount(); i++) {
1314        int rotFd = ctx->mRotMgr->getRotDevFd();
1315        int rotReleaseFd = -1;
1316        overlay::Rotator* currRot = ctx->mLayerRotMap[dpy]->getRot(i);
1317        hwc_layer_1_t* currLayer = ctx->mLayerRotMap[dpy]->getLayer(i);
1318        if((currRot == NULL) || (currLayer == NULL)) {
1319            continue;
1320        }
1321        struct mdp_buf_sync rotData;
1322        memset(&rotData, 0, sizeof(rotData));
1323        rotData.acq_fen_fd =
1324                &currLayer->acquireFenceFd;
1325        rotData.rel_fen_fd = &rotReleaseFd; //driver to populate this
1326        rotData.session_id = currRot->getSessId();
1327        if(currLayer->acquireFenceFd >= 0) {
1328            rotData.acq_fen_fd_cnt = 1; //1 ioctl call per rot session
1329        }
1330        int ret = 0;
1331        ret = ioctl(rotFd, MSMFB_BUFFER_SYNC, &rotData);
1332        if(ret < 0) {
1333            ALOGE("%s: ioctl MSMFB_BUFFER_SYNC failed for rot sync, err=%s",
1334                    __FUNCTION__, strerror(errno));
1335        } else {
1336            close(currLayer->acquireFenceFd);
1337            //For MDP to wait on.
1338            currLayer->acquireFenceFd =
1339                    dup(rotReleaseFd);
1340            //A buffer is free to be used by producer as soon as its copied to
1341            //rotator
1342            currLayer->releaseFenceFd =
1343                    rotReleaseFd;
1344        }
1345    }
1346
1347    //Accumulate acquireFenceFds for MDP Overlays
1348    if(list->outbufAcquireFenceFd >= 0) {
1349        //Writeback output buffer
1350        acquireFd[count++] = list->outbufAcquireFenceFd;
1351    }
1352
1353    for(uint32_t i = 0; i < list->numHwLayers; i++) {
1354        if(list->hwLayers[i].compositionType == HWC_OVERLAY &&
1355                        list->hwLayers[i].acquireFenceFd >= 0) {
1356            if(UNLIKELY(swapzero))
1357                acquireFd[count++] = -1;
1358            else
1359                acquireFd[count++] = list->hwLayers[i].acquireFenceFd;
1360        }
1361        if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
1362            if(UNLIKELY(swapzero))
1363                acquireFd[count++] = -1;
1364            else if(fd >= 0) {
1365                //set the acquireFD from fd - which is coming from c2d
1366                acquireFd[count++] = fd;
1367                // Buffer sync IOCTL should be async when using c2d fence is
1368                // used
1369                data.flags &= ~MDP_BUF_SYNC_FLAG_WAIT;
1370            } else if(list->hwLayers[i].acquireFenceFd >= 0)
1371                acquireFd[count++] = list->hwLayers[i].acquireFenceFd;
1372        }
1373    }
1374
1375    data.acq_fen_fd_cnt = count;
1376    fbFd = ctx->dpyAttr[dpy].fd;
1377
1378    //Waits for acquire fences, returns a release fence
1379    if(LIKELY(!swapzero)) {
1380        uint64_t start = systemTime();
1381        ret = ioctl(fbFd, MSMFB_BUFFER_SYNC, &data);
1382        ALOGD_IF(HWC_UTILS_DEBUG, "%s: time taken for MSMFB_BUFFER_SYNC IOCTL = %d",
1383                            __FUNCTION__, (size_t) ns2ms(systemTime() - start));
1384    }
1385
1386    if(ret < 0) {
1387        ALOGE("%s: ioctl MSMFB_BUFFER_SYNC failed, err=%s",
1388                  __FUNCTION__, strerror(errno));
1389        ALOGE("%s: acq_fen_fd_cnt=%d flags=%d fd=%d dpy=%d numHwLayers=%zu",
1390              __FUNCTION__, data.acq_fen_fd_cnt, data.flags, fbFd,
1391              dpy, list->numHwLayers);
1392    }
1393
1394    for(uint32_t i = 0; i < list->numHwLayers; i++) {
1395        if(list->hwLayers[i].compositionType == HWC_OVERLAY ||
1396#ifdef QCOM_BSP
1397           list->hwLayers[i].compositionType == HWC_BLIT ||
1398#endif
1399           list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
1400            //Populate releaseFenceFds.
1401            if(UNLIKELY(swapzero)) {
1402                list->hwLayers[i].releaseFenceFd = -1;
1403            } else if(isExtAnimating) {
1404                // Release all the app layer fds immediately,
1405                // if animation is in progress.
1406                list->hwLayers[i].releaseFenceFd = -1;
1407            } else if(list->hwLayers[i].releaseFenceFd < 0 ) {
1408#ifdef QCOM_BSP
1409                //If rotator has not already populated this field
1410                if(list->hwLayers[i].compositionType == HWC_BLIT) {
1411                    //For Blit, the app layers should be released when the Blit is
1412                    //complete. This fd was passed from copybit->draw
1413                    list->hwLayers[i].releaseFenceFd = dup(fd);
1414                } else
1415#endif
1416                {
1417                    list->hwLayers[i].releaseFenceFd = dup(releaseFd);
1418                }
1419            }
1420        }
1421    }
1422
1423    if(fd >= 0) {
1424        close(fd);
1425        fd = -1;
1426    }
1427
1428    if (ctx->mCopyBit[dpy])
1429        ctx->mCopyBit[dpy]->setReleaseFd(releaseFd);
1430
1431    //Signals when MDP finishes reading rotator buffers.
1432    ctx->mLayerRotMap[dpy]->setReleaseFd(releaseFd);
1433    close(releaseFd);
1434    releaseFd = -1;
1435
1436    if(UNLIKELY(swapzero)) {
1437        list->retireFenceFd = -1;
1438    } else {
1439        list->retireFenceFd = retireFd;
1440    }
1441    return ret;
1442}
1443
1444void setMdpFlags(hwc_layer_1_t *layer,
1445        ovutils::eMdpFlags &mdpFlags,
1446        int rotDownscale, int transform) {
1447    private_handle_t *hnd = (private_handle_t *)layer->handle;
1448    MetaData_t *metadata = hnd ? (MetaData_t *)hnd->base_metadata : NULL;
1449
1450    if(layer->blending == HWC_BLENDING_PREMULT) {
1451        ovutils::setMdpFlags(mdpFlags,
1452                ovutils::OV_MDP_BLEND_FG_PREMULT);
1453    }
1454
1455    if(isYuvBuffer(hnd)) {
1456        if(isSecureBuffer(hnd)) {
1457            ovutils::setMdpFlags(mdpFlags,
1458                    ovutils::OV_MDP_SECURE_OVERLAY_SESSION);
1459        }
1460        if(metadata && (metadata->operation & PP_PARAM_INTERLACED) &&
1461                metadata->interlaced) {
1462            ovutils::setMdpFlags(mdpFlags,
1463                    ovutils::OV_MDP_DEINTERLACE);
1464        }
1465        //Pre-rotation will be used using rotator.
1466        if(transform & HWC_TRANSFORM_ROT_90) {
1467            ovutils::setMdpFlags(mdpFlags,
1468                    ovutils::OV_MDP_SOURCE_ROTATED_90);
1469        }
1470    }
1471
1472    if(isSecureDisplayBuffer(hnd)) {
1473        // Secure display needs both SECURE_OVERLAY and SECURE_DISPLAY_OV
1474        ovutils::setMdpFlags(mdpFlags,
1475                             ovutils::OV_MDP_SECURE_OVERLAY_SESSION);
1476        ovutils::setMdpFlags(mdpFlags,
1477                             ovutils::OV_MDP_SECURE_DISPLAY_OVERLAY_SESSION);
1478    }
1479    //No 90 component and no rot-downscale then flips done by MDP
1480    //If we use rot then it might as well do flips
1481    if(!(transform & HWC_TRANSFORM_ROT_90) && !rotDownscale) {
1482        if(transform & HWC_TRANSFORM_FLIP_H) {
1483            ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_FLIP_H);
1484        }
1485
1486        if(transform & HWC_TRANSFORM_FLIP_V) {
1487            ovutils::setMdpFlags(mdpFlags,  ovutils::OV_MDP_FLIP_V);
1488        }
1489    }
1490
1491    if(metadata &&
1492        ((metadata->operation & PP_PARAM_HSIC)
1493        || (metadata->operation & PP_PARAM_IGC)
1494        || (metadata->operation & PP_PARAM_SHARP2))) {
1495        ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_PP_EN);
1496    }
1497}
1498
1499int configRotator(Rotator *rot, Whf& whf,
1500        hwc_rect_t& crop, const eMdpFlags& mdpFlags,
1501        const eTransform& orient, const int& downscale) {
1502
1503    // Fix alignments for TILED format
1504    if(whf.format == MDP_Y_CRCB_H2V2_TILE ||
1505                            whf.format == MDP_Y_CBCR_H2V2_TILE) {
1506        whf.w =  utils::alignup(whf.w, 64);
1507        whf.h = utils::alignup(whf.h, 32);
1508    }
1509    rot->setSource(whf);
1510
1511    if (qdutils::MDPVersion::getInstance().getMDPVersion() >=
1512        qdutils::MDSS_V5) {
1513        uint32_t crop_w = (crop.right - crop.left);
1514        uint32_t crop_h = (crop.bottom - crop.top);
1515        if (ovutils::isYuv(whf.format)) {
1516            ovutils::normalizeCrop((uint32_t&)crop.left, crop_w);
1517            ovutils::normalizeCrop((uint32_t&)crop.top, crop_h);
1518            // For interlaced, crop.h should be 4-aligned
1519            if ((mdpFlags & ovutils::OV_MDP_DEINTERLACE) && (crop_h % 4))
1520                crop_h = ovutils::aligndown(crop_h, 4);
1521            crop.right = crop.left + crop_w;
1522            crop.bottom = crop.top + crop_h;
1523        }
1524        Dim rotCrop(crop.left, crop.top, crop_w, crop_h);
1525        rot->setCrop(rotCrop);
1526    }
1527
1528    rot->setFlags(mdpFlags);
1529    rot->setTransform(orient);
1530    rot->setDownscale(downscale);
1531    if(!rot->commit()) return -1;
1532    return 0;
1533}
1534
1535int configMdp(Overlay *ov, const PipeArgs& parg,
1536        const eTransform& orient, const hwc_rect_t& crop,
1537        const hwc_rect_t& pos, const MetaData_t *metadata,
1538        const eDest& dest) {
1539    ov->setSource(parg, dest);
1540    ov->setTransform(orient, dest);
1541
1542    int crop_w = crop.right - crop.left;
1543    int crop_h = crop.bottom - crop.top;
1544    Dim dcrop(crop.left, crop.top, crop_w, crop_h);
1545    ov->setCrop(dcrop, dest);
1546
1547    int posW = pos.right - pos.left;
1548    int posH = pos.bottom - pos.top;
1549    Dim position(pos.left, pos.top, posW, posH);
1550    ov->setPosition(position, dest);
1551
1552    if (metadata)
1553        ov->setVisualParams(*metadata, dest);
1554
1555    if (!ov->commit(dest)) {
1556        return -1;
1557    }
1558    return 0;
1559}
1560
1561int configColorLayer(hwc_context_t *ctx, hwc_layer_1_t *layer,
1562        const int& dpy, eMdpFlags& mdpFlags, eZorder& z,
1563        eIsFg& isFg, const eDest& dest) {
1564
1565    hwc_rect_t dst = layer->displayFrame;
1566    trimLayer(ctx, dpy, 0, dst, dst);
1567
1568    int w = ctx->dpyAttr[dpy].xres;
1569    int h = ctx->dpyAttr[dpy].yres;
1570    int dst_w = dst.right - dst.left;
1571    int dst_h = dst.bottom - dst.top;
1572    uint32_t color = layer->transform;
1573    Whf whf(w, h, getMdpFormat(HAL_PIXEL_FORMAT_RGBA_8888), 0);
1574
1575    ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_SOLID_FILL);
1576    if (layer->blending == HWC_BLENDING_PREMULT)
1577        ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_BLEND_FG_PREMULT);
1578
1579    PipeArgs parg(mdpFlags, whf, z, isFg, static_cast<eRotFlags>(0),
1580                  layer->planeAlpha,
1581                  (ovutils::eBlending) getBlending(layer->blending));
1582
1583    // Configure MDP pipe for Color layer
1584    Dim pos(dst.left, dst.top, dst_w, dst_h);
1585    ctx->mOverlay->setSource(parg, dest);
1586    ctx->mOverlay->setColor(color, dest);
1587    ctx->mOverlay->setTransform(0, dest);
1588    ctx->mOverlay->setCrop(pos, dest);
1589    ctx->mOverlay->setPosition(pos, dest);
1590
1591    if (!ctx->mOverlay->commit(dest)) {
1592        ALOGE("%s: Configure color layer failed!", __FUNCTION__);
1593        return -1;
1594    }
1595    return 0;
1596}
1597
1598void updateSource(eTransform& orient, Whf& whf,
1599        hwc_rect_t& crop) {
1600    Dim srcCrop(crop.left, crop.top,
1601            crop.right - crop.left,
1602            crop.bottom - crop.top);
1603    orient = static_cast<eTransform>(ovutils::getMdpOrient(orient));
1604    preRotateSource(orient, whf, srcCrop);
1605    if (qdutils::MDPVersion::getInstance().getMDPVersion() >=
1606        qdutils::MDSS_V5) {
1607        // Source for overlay will be the cropped (and rotated)
1608        crop.left = 0;
1609        crop.top = 0;
1610        crop.right = srcCrop.w;
1611        crop.bottom = srcCrop.h;
1612        // Set width & height equal to sourceCrop w & h
1613        whf.w = srcCrop.w;
1614        whf.h = srcCrop.h;
1615    } else {
1616        crop.left = srcCrop.x;
1617        crop.top = srcCrop.y;
1618        crop.right = srcCrop.x + srcCrop.w;
1619        crop.bottom = srcCrop.y + srcCrop.h;
1620    }
1621}
1622
1623int configureNonSplit(hwc_context_t *ctx, hwc_layer_1_t *layer,
1624        const int& dpy, eMdpFlags& mdpFlags, eZorder& z,
1625        eIsFg& isFg, const eDest& dest, Rotator **rot) {
1626
1627    private_handle_t *hnd = (private_handle_t *)layer->handle;
1628
1629    if(!hnd) {
1630        if (layer->flags & HWC_COLOR_FILL) {
1631            // Configure Color layer
1632            return configColorLayer(ctx, layer, dpy, mdpFlags, z, isFg, dest);
1633        }
1634        ALOGE("%s: layer handle is NULL", __FUNCTION__);
1635        return -1;
1636    }
1637
1638    MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
1639
1640    hwc_rect_t crop = integerizeSourceCrop(layer->sourceCropf);
1641    hwc_rect_t dst = layer->displayFrame;
1642    int transform = layer->transform;
1643    eTransform orient = static_cast<eTransform>(transform);
1644    int downscale = 0;
1645    int rotFlags = ovutils::ROT_FLAGS_NONE;
1646    uint32_t format = ovutils::getMdpFormat(hnd->format, isTileRendered(hnd));
1647    Whf whf(getWidth(hnd), getHeight(hnd), format, (uint32_t)hnd->size);
1648
1649    // Handle R/B swap
1650    if (layer->flags & HWC_FORMAT_RB_SWAP) {
1651        if (hnd->format == HAL_PIXEL_FORMAT_RGBA_8888)
1652            whf.format = getMdpFormat(HAL_PIXEL_FORMAT_BGRA_8888);
1653        else if (hnd->format == HAL_PIXEL_FORMAT_RGBX_8888)
1654            whf.format = getMdpFormat(HAL_PIXEL_FORMAT_BGRX_8888);
1655    }
1656
1657    calcExtDisplayPosition(ctx, hnd, dpy, crop, dst, transform, orient);
1658
1659    if(isYuvBuffer(hnd) && ctx->mMDP.version >= qdutils::MDP_V4_2 &&
1660       ctx->mMDP.version < qdutils::MDSS_V5) {
1661        downscale =  getDownscaleFactor(
1662            crop.right - crop.left,
1663            crop.bottom - crop.top,
1664            dst.right - dst.left,
1665            dst.bottom - dst.top);
1666        if(downscale) {
1667            rotFlags = ROT_DOWNSCALE_ENABLED;
1668        }
1669    }
1670
1671    setMdpFlags(layer, mdpFlags, downscale, transform);
1672
1673    if(isYuvBuffer(hnd) && //if 90 component or downscale, use rot
1674            ((transform & HWC_TRANSFORM_ROT_90) || downscale)) {
1675        *rot = ctx->mRotMgr->getNext();
1676        if(*rot == NULL) return -1;
1677        ctx->mLayerRotMap[dpy]->add(layer, *rot);
1678        if(!dpy)
1679            BwcPM::setBwc(crop, dst, transform, mdpFlags);
1680        //Configure rotator for pre-rotation
1681        if(configRotator(*rot, whf, crop, mdpFlags, orient, downscale) < 0) {
1682            ALOGE("%s: configRotator failed!", __FUNCTION__);
1683            return -1;
1684        }
1685        whf.format = (*rot)->getDstFormat();
1686        updateSource(orient, whf, crop);
1687        rotFlags |= ovutils::ROT_PREROTATED;
1688    }
1689
1690    //For the mdp, since either we are pre-rotating or MDP does flips
1691    orient = OVERLAY_TRANSFORM_0;
1692    transform = 0;
1693    PipeArgs parg(mdpFlags, whf, z, isFg,
1694                  static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
1695                  (ovutils::eBlending) getBlending(layer->blending));
1696
1697    if(configMdp(ctx->mOverlay, parg, orient, crop, dst, metadata, dest) < 0) {
1698        ALOGE("%s: commit failed for low res panel", __FUNCTION__);
1699        return -1;
1700    }
1701    return 0;
1702}
1703
1704//Helper to 1) Ensure crops dont have gaps 2) Ensure L and W are even
1705void sanitizeSourceCrop(hwc_rect_t& cropL, hwc_rect_t& cropR,
1706        private_handle_t *hnd) {
1707    if(cropL.right - cropL.left) {
1708        if(isYuvBuffer(hnd)) {
1709            //Always safe to even down left
1710            ovutils::even_floor(cropL.left);
1711            //If right is even, automatically width is even, since left is
1712            //already even
1713            ovutils::even_floor(cropL.right);
1714        }
1715        //Make sure there are no gaps between left and right splits if the layer
1716        //is spread across BOTH halves
1717        if(cropR.right - cropR.left) {
1718            cropR.left = cropL.right;
1719        }
1720    }
1721
1722    if(cropR.right - cropR.left) {
1723        if(isYuvBuffer(hnd)) {
1724            //Always safe to even down left
1725            ovutils::even_floor(cropR.left);
1726            //If right is even, automatically width is even, since left is
1727            //already even
1728            ovutils::even_floor(cropR.right);
1729        }
1730    }
1731}
1732
1733int configureSplit(hwc_context_t *ctx, hwc_layer_1_t *layer,
1734        const int& dpy, eMdpFlags& mdpFlagsL, eZorder& z,
1735        eIsFg& isFg, const eDest& lDest, const eDest& rDest,
1736        Rotator **rot) {
1737    private_handle_t *hnd = (private_handle_t *)layer->handle;
1738    if(!hnd) {
1739        ALOGE("%s: layer handle is NULL", __FUNCTION__);
1740        return -1;
1741    }
1742
1743    MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
1744
1745    int hw_w = ctx->dpyAttr[dpy].xres;
1746    int hw_h = ctx->dpyAttr[dpy].yres;
1747    hwc_rect_t crop = integerizeSourceCrop(layer->sourceCropf);
1748    hwc_rect_t dst = layer->displayFrame;
1749    int transform = layer->transform;
1750    eTransform orient = static_cast<eTransform>(transform);
1751    const int downscale = 0;
1752    int rotFlags = ROT_FLAGS_NONE;
1753    uint32_t format = ovutils::getMdpFormat(hnd->format, isTileRendered(hnd));
1754    Whf whf(getWidth(hnd), getHeight(hnd), format, (uint32_t)hnd->size);
1755
1756    // Handle R/B swap
1757    if (layer->flags & HWC_FORMAT_RB_SWAP) {
1758        if (hnd->format == HAL_PIXEL_FORMAT_RGBA_8888)
1759            whf.format = getMdpFormat(HAL_PIXEL_FORMAT_BGRA_8888);
1760        else if (hnd->format == HAL_PIXEL_FORMAT_RGBX_8888)
1761            whf.format = getMdpFormat(HAL_PIXEL_FORMAT_BGRX_8888);
1762    }
1763
1764    /* Calculate the external display position based on MDP downscale,
1765       ActionSafe, and extorientation features. */
1766    calcExtDisplayPosition(ctx, hnd, dpy, crop, dst, transform, orient);
1767
1768    setMdpFlags(layer, mdpFlagsL, 0, transform);
1769
1770    if(lDest != OV_INVALID && rDest != OV_INVALID) {
1771        //Enable overfetch
1772        setMdpFlags(mdpFlagsL, OV_MDSS_MDP_DUAL_PIPE);
1773    }
1774
1775    //Will do something only if feature enabled and conditions suitable
1776    //hollow call otherwise
1777    if(ctx->mAD->prepare(ctx, crop, whf, hnd)) {
1778        overlay::Writeback *wb = overlay::Writeback::getInstance();
1779        whf.format = wb->getOutputFormat();
1780    }
1781
1782    if(isYuvBuffer(hnd) && (transform & HWC_TRANSFORM_ROT_90)) {
1783        (*rot) = ctx->mRotMgr->getNext();
1784        if((*rot) == NULL) return -1;
1785        ctx->mLayerRotMap[dpy]->add(layer, *rot);
1786        //Configure rotator for pre-rotation
1787        if(configRotator(*rot, whf, crop, mdpFlagsL, orient, downscale) < 0) {
1788            ALOGE("%s: configRotator failed!", __FUNCTION__);
1789            return -1;
1790        }
1791        whf.format = (*rot)->getDstFormat();
1792        updateSource(orient, whf, crop);
1793        rotFlags |= ROT_PREROTATED;
1794    }
1795
1796    eMdpFlags mdpFlagsR = mdpFlagsL;
1797    setMdpFlags(mdpFlagsR, OV_MDSS_MDP_RIGHT_MIXER);
1798
1799    hwc_rect_t tmp_cropL = {0}, tmp_dstL = {0};
1800    hwc_rect_t tmp_cropR = {0}, tmp_dstR = {0};
1801
1802    const int lSplit = getLeftSplit(ctx, dpy);
1803
1804    // Calculate Left rects
1805    if(dst.left < lSplit) {
1806        tmp_cropL = crop;
1807        tmp_dstL = dst;
1808        hwc_rect_t scissor = {0, 0, lSplit, hw_h };
1809        scissor = getIntersection(ctx->mViewFrame[dpy], scissor);
1810        qhwc::calculate_crop_rects(tmp_cropL, tmp_dstL, scissor, 0);
1811    }
1812
1813    // Calculate Right rects
1814    if(dst.right > lSplit) {
1815        tmp_cropR = crop;
1816        tmp_dstR = dst;
1817        hwc_rect_t scissor = {lSplit, 0, hw_w, hw_h };
1818        scissor = getIntersection(ctx->mViewFrame[dpy], scissor);
1819        qhwc::calculate_crop_rects(tmp_cropR, tmp_dstR, scissor, 0);
1820    }
1821
1822    sanitizeSourceCrop(tmp_cropL, tmp_cropR, hnd);
1823
1824    //When buffer is H-flipped, contents of mixer config also needs to swapped
1825    //Not needed if the layer is confined to one half of the screen.
1826    //If rotator has been used then it has also done the flips, so ignore them.
1827    if((orient & OVERLAY_TRANSFORM_FLIP_H) && (dst.left < lSplit) &&
1828            (dst.right > lSplit) && (*rot) == NULL) {
1829        hwc_rect_t new_cropR;
1830        new_cropR.left = tmp_cropL.left;
1831        new_cropR.right = new_cropR.left + (tmp_cropR.right - tmp_cropR.left);
1832
1833        hwc_rect_t new_cropL;
1834        new_cropL.left  = new_cropR.right;
1835        new_cropL.right = tmp_cropR.right;
1836
1837        tmp_cropL.left =  new_cropL.left;
1838        tmp_cropL.right =  new_cropL.right;
1839
1840        tmp_cropR.left = new_cropR.left;
1841        tmp_cropR.right =  new_cropR.right;
1842
1843    }
1844
1845    //For the mdp, since either we are pre-rotating or MDP does flips
1846    orient = OVERLAY_TRANSFORM_0;
1847    transform = 0;
1848
1849    //configure left mixer
1850    if(lDest != OV_INVALID) {
1851        PipeArgs pargL(mdpFlagsL, whf, z, isFg,
1852                       static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
1853                       (ovutils::eBlending) getBlending(layer->blending));
1854
1855        if(configMdp(ctx->mOverlay, pargL, orient,
1856                tmp_cropL, tmp_dstL, metadata, lDest) < 0) {
1857            ALOGE("%s: commit failed for left mixer config", __FUNCTION__);
1858            return -1;
1859        }
1860    }
1861
1862    //configure right mixer
1863    if(rDest != OV_INVALID) {
1864        PipeArgs pargR(mdpFlagsR, whf, z, isFg,
1865                       static_cast<eRotFlags>(rotFlags),
1866                       layer->planeAlpha,
1867                       (ovutils::eBlending) getBlending(layer->blending));
1868        tmp_dstR.right = tmp_dstR.right - lSplit;
1869        tmp_dstR.left = tmp_dstR.left - lSplit;
1870        if(configMdp(ctx->mOverlay, pargR, orient,
1871                tmp_cropR, tmp_dstR, metadata, rDest) < 0) {
1872            ALOGE("%s: commit failed for right mixer config", __FUNCTION__);
1873            return -1;
1874        }
1875    }
1876
1877    return 0;
1878}
1879
1880int configureSourceSplit(hwc_context_t *ctx, hwc_layer_1_t *layer,
1881        const int& dpy, eMdpFlags& mdpFlagsL, eZorder& z,
1882        eIsFg& isFg, const eDest& lDest, const eDest& rDest,
1883        Rotator **rot) {
1884    private_handle_t *hnd = (private_handle_t *)layer->handle;
1885    if(!hnd) {
1886        ALOGE("%s: layer handle is NULL", __FUNCTION__);
1887        return -1;
1888    }
1889
1890    MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
1891
1892    hwc_rect_t crop = integerizeSourceCrop(layer->sourceCropf);;
1893    hwc_rect_t dst = layer->displayFrame;
1894    int transform = layer->transform;
1895    eTransform orient = static_cast<eTransform>(transform);
1896    const int downscale = 0;
1897    int rotFlags = ROT_FLAGS_NONE;
1898    //Splitting only YUV layer on primary panel needs different zorders
1899    //for both layers as both the layers are configured to single mixer
1900    eZorder lz = z;
1901    eZorder rz = (eZorder)(z + 1);
1902
1903    Whf whf(getWidth(hnd), getHeight(hnd),
1904            getMdpFormat(hnd->format), (uint32_t)hnd->size);
1905
1906    /* Calculate the external display position based on MDP downscale,
1907       ActionSafe, and extorientation features. */
1908    calcExtDisplayPosition(ctx, hnd, dpy, crop, dst, transform, orient);
1909
1910    setMdpFlags(layer, mdpFlagsL, 0, transform);
1911    trimLayer(ctx, dpy, transform, crop, dst);
1912
1913    if(isYuvBuffer(hnd) && (transform & HWC_TRANSFORM_ROT_90)) {
1914        (*rot) = ctx->mRotMgr->getNext();
1915        if((*rot) == NULL) return -1;
1916        ctx->mLayerRotMap[dpy]->add(layer, *rot);
1917        if(!dpy)
1918            BwcPM::setBwc(crop, dst, transform, mdpFlagsL);
1919        //Configure rotator for pre-rotation
1920        if(configRotator(*rot, whf, crop, mdpFlagsL, orient, downscale) < 0) {
1921            ALOGE("%s: configRotator failed!", __FUNCTION__);
1922            return -1;
1923        }
1924        whf.format = (*rot)->getDstFormat();
1925        updateSource(orient, whf, crop);
1926        rotFlags |= ROT_PREROTATED;
1927    }
1928
1929    eMdpFlags mdpFlagsR = mdpFlagsL;
1930    int lSplit = dst.left + (dst.right - dst.left)/2;
1931
1932    hwc_rect_t tmp_cropL = {0}, tmp_dstL = {0};
1933    hwc_rect_t tmp_cropR = {0}, tmp_dstR = {0};
1934
1935    if(lDest != OV_INVALID) {
1936        tmp_cropL = crop;
1937        tmp_dstL = dst;
1938        hwc_rect_t scissor = {dst.left, dst.top, lSplit, dst.bottom };
1939        qhwc::calculate_crop_rects(tmp_cropL, tmp_dstL, scissor, 0);
1940    }
1941    if(rDest != OV_INVALID) {
1942        tmp_cropR = crop;
1943        tmp_dstR = dst;
1944        hwc_rect_t scissor = {lSplit, dst.top, dst.right, dst.bottom };
1945        qhwc::calculate_crop_rects(tmp_cropR, tmp_dstR, scissor, 0);
1946    }
1947
1948    sanitizeSourceCrop(tmp_cropL, tmp_cropR, hnd);
1949
1950    //When buffer is H-flipped, contents of mixer config also needs to swapped
1951    //Not needed if the layer is confined to one half of the screen.
1952    //If rotator has been used then it has also done the flips, so ignore them.
1953    if((orient & OVERLAY_TRANSFORM_FLIP_H) && lDest != OV_INVALID
1954            && rDest != OV_INVALID && (*rot) == NULL) {
1955        hwc_rect_t new_cropR;
1956        new_cropR.left = tmp_cropL.left;
1957        new_cropR.right = new_cropR.left + (tmp_cropR.right - tmp_cropR.left);
1958
1959        hwc_rect_t new_cropL;
1960        new_cropL.left  = new_cropR.right;
1961        new_cropL.right = tmp_cropR.right;
1962
1963        tmp_cropL.left =  new_cropL.left;
1964        tmp_cropL.right =  new_cropL.right;
1965
1966        tmp_cropR.left = new_cropR.left;
1967        tmp_cropR.right =  new_cropR.right;
1968
1969    }
1970
1971    //For the mdp, since either we are pre-rotating or MDP does flips
1972    orient = OVERLAY_TRANSFORM_0;
1973    transform = 0;
1974
1975    //configure left half
1976    if(lDest != OV_INVALID) {
1977        PipeArgs pargL(mdpFlagsL, whf, lz, isFg,
1978                static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
1979                (ovutils::eBlending) getBlending(layer->blending));
1980
1981        if(configMdp(ctx->mOverlay, pargL, orient,
1982                    tmp_cropL, tmp_dstL, metadata, lDest) < 0) {
1983            ALOGE("%s: commit failed for left half config", __FUNCTION__);
1984            return -1;
1985        }
1986    }
1987
1988    //configure right half
1989    if(rDest != OV_INVALID) {
1990        PipeArgs pargR(mdpFlagsR, whf, rz, isFg,
1991                static_cast<eRotFlags>(rotFlags),
1992                layer->planeAlpha,
1993                (ovutils::eBlending) getBlending(layer->blending));
1994        if(configMdp(ctx->mOverlay, pargR, orient,
1995                    tmp_cropR, tmp_dstR, metadata, rDest) < 0) {
1996            ALOGE("%s: commit failed for right half config", __FUNCTION__);
1997            return -1;
1998        }
1999    }
2000
2001    return 0;
2002}
2003
2004bool canUseRotator(hwc_context_t *ctx, int dpy) {
2005    if(qdutils::MDPVersion::getInstance().is8x26() &&
2006            isSecondaryConnected(ctx) &&
2007            !ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].isPause) {
2008        /* 8x26 mdss driver supports multiplexing of DMA pipe
2009         * in LINE and BLOCK modes for writeback panels.
2010         */
2011        if(dpy == HWC_DISPLAY_PRIMARY)
2012            return false;
2013    }
2014    if(ctx->mMDP.version == qdutils::MDP_V3_0_4)
2015        return false;
2016    return true;
2017}
2018
2019int getLeftSplit(hwc_context_t *ctx, const int& dpy) {
2020    //Default even split for all displays with high res
2021    int lSplit = ctx->dpyAttr[dpy].xres / 2;
2022    if(dpy == HWC_DISPLAY_PRIMARY &&
2023            qdutils::MDPVersion::getInstance().getLeftSplit()) {
2024        //Override if split published by driver for primary
2025        lSplit = qdutils::MDPVersion::getInstance().getLeftSplit();
2026    }
2027    return lSplit;
2028}
2029
2030bool isDisplaySplit(hwc_context_t* ctx, int dpy) {
2031    if(ctx->dpyAttr[dpy].xres > qdutils::MAX_DISPLAY_DIM) {
2032        return true;
2033    }
2034    //For testing we could split primary via device tree values
2035    if(dpy == HWC_DISPLAY_PRIMARY &&
2036        qdutils::MDPVersion::getInstance().getRightSplit()) {
2037        return true;
2038    }
2039    return false;
2040}
2041
2042//clear prev layer prop flags and realloc for current frame
2043void reset_layer_prop(hwc_context_t* ctx, int dpy, int numAppLayers) {
2044    if(ctx->layerProp[dpy]) {
2045       delete[] ctx->layerProp[dpy];
2046       ctx->layerProp[dpy] = NULL;
2047    }
2048    ctx->layerProp[dpy] = new LayerProp[numAppLayers];
2049}
2050
2051/* Since we fake non-Hybrid WFD solution as external display, this
2052 * function helps us in determining the priority between external
2053 * (hdmi/non-Hybrid WFD display) and virtual display devices(SSD/
2054 * screenrecord). This can be removed once wfd-client migrates to
2055 * using virtual-display api's.
2056 */
2057bool canUseMDPforVirtualDisplay(hwc_context_t* ctx,
2058                                const hwc_display_contents_1_t *list) {
2059
2060    /* We rely on the fact that for pure virtual display solution
2061     * list->outbuf will be a non-NULL handle.
2062     *
2063     * If there are three active displays (which means there is one
2064     * primary, one external and one virtual active display)
2065     * we give mdss/mdp hw resources(pipes,smp,etc) for external
2066     * display(hdmi/non-Hybrid WFD display) rather than for virtual
2067     * display(SSD/screenrecord)
2068     */
2069
2070    if(list->outbuf and (ctx->numActiveDisplays == HWC_NUM_DISPLAY_TYPES)) {
2071        return false;
2072    }
2073
2074    return true;
2075}
2076
2077bool isGLESComp(hwc_context_t *ctx,
2078                     hwc_display_contents_1_t* list) {
2079    int numAppLayers = ctx->listStats[HWC_DISPLAY_PRIMARY].numAppLayers;
2080    for(int index = 0; index < numAppLayers; index++) {
2081        hwc_layer_1_t* layer = &(list->hwLayers[index]);
2082        if(layer->compositionType == HWC_FRAMEBUFFER)
2083            return true;
2084    }
2085    return false;
2086}
2087
2088void setGPUHint(hwc_context_t* ctx, hwc_display_contents_1_t* list) {
2089    struct gpu_hint_info *gpuHint = &ctx->mGPUHintInfo;
2090    if(!gpuHint->mGpuPerfModeEnable || !ctx || !list)
2091        return;
2092
2093#ifdef QCOM_BSP
2094    /* Set the GPU hint flag to high for MIXED/GPU composition only for
2095       first frame after MDP -> GPU/MIXED mode transition. Set the GPU
2096       hint to default if the previous composition is GPU or current GPU
2097       composition is due to idle fallback */
2098    if(!gpuHint->mEGLDisplay || !gpuHint->mEGLContext) {
2099        gpuHint->mEGLDisplay = eglGetCurrentDisplay();
2100        if(!gpuHint->mEGLDisplay) {
2101            ALOGW("%s Warning: EGL current display is NULL", __FUNCTION__);
2102            return;
2103        }
2104        gpuHint->mEGLContext = eglGetCurrentContext();
2105        if(!gpuHint->mEGLContext) {
2106            ALOGW("%s Warning: EGL current context is NULL", __FUNCTION__);
2107            return;
2108        }
2109    }
2110    if(isGLESComp(ctx, list)) {
2111        if(!gpuHint->mPrevCompositionGLES && !MDPComp::isIdleFallback()) {
2112            EGLint attr_list[] = {EGL_GPU_HINT_1,
2113                                  EGL_GPU_LEVEL_3,
2114                                  EGL_NONE };
2115            if((gpuHint->mCurrGPUPerfMode != EGL_GPU_LEVEL_3) &&
2116                !eglGpuPerfHintQCOM(gpuHint->mEGLDisplay,
2117                                    gpuHint->mEGLContext, attr_list)) {
2118                ALOGW("eglGpuPerfHintQCOM failed for Built in display");
2119            } else {
2120                gpuHint->mCurrGPUPerfMode = EGL_GPU_LEVEL_3;
2121                gpuHint->mPrevCompositionGLES = true;
2122            }
2123        } else {
2124            EGLint attr_list[] = {EGL_GPU_HINT_1,
2125                                  EGL_GPU_LEVEL_0,
2126                                  EGL_NONE };
2127            if((gpuHint->mCurrGPUPerfMode != EGL_GPU_LEVEL_0) &&
2128                !eglGpuPerfHintQCOM(gpuHint->mEGLDisplay,
2129                                    gpuHint->mEGLContext, attr_list)) {
2130                ALOGW("eglGpuPerfHintQCOM failed for Built in display");
2131            } else {
2132                gpuHint->mCurrGPUPerfMode = EGL_GPU_LEVEL_0;
2133            }
2134        }
2135    } else {
2136        /* set the GPU hint flag to default for MDP composition */
2137        EGLint attr_list[] = {EGL_GPU_HINT_1,
2138                              EGL_GPU_LEVEL_0,
2139                              EGL_NONE };
2140        if((gpuHint->mCurrGPUPerfMode != EGL_GPU_LEVEL_0) &&
2141                !eglGpuPerfHintQCOM(gpuHint->mEGLDisplay,
2142                                    gpuHint->mEGLContext, attr_list)) {
2143            ALOGW("eglGpuPerfHintQCOM failed for Built in display");
2144        } else {
2145            gpuHint->mCurrGPUPerfMode = EGL_GPU_LEVEL_0;
2146        }
2147        gpuHint->mPrevCompositionGLES = false;
2148    }
2149#endif
2150}
2151
2152void BwcPM::setBwc(const hwc_rect_t& crop,
2153            const hwc_rect_t& dst, const int& transform,
2154            ovutils::eMdpFlags& mdpFlags) {
2155    //Target doesnt support Bwc
2156    if(!qdutils::MDPVersion::getInstance().supportsBWC()) {
2157        return;
2158    }
2159    //src width > MAX mixer supported dim
2160    if((crop.right - crop.left) > qdutils::MAX_DISPLAY_DIM) {
2161        return;
2162    }
2163    //Decimation necessary, cannot use BWC. H/W requirement.
2164    if(qdutils::MDPVersion::getInstance().supportsDecimation()) {
2165        int src_w = crop.right - crop.left;
2166        int src_h = crop.bottom - crop.top;
2167        int dst_w = dst.right - dst.left;
2168        int dst_h = dst.bottom - dst.top;
2169        if(transform & HAL_TRANSFORM_ROT_90) {
2170            swap(src_w, src_h);
2171        }
2172        float horDscale = 0.0f;
2173        float verDscale = 0.0f;
2174        int horzDeci = 0;
2175        int vertDeci = 0;
2176        ovutils::getDecimationFactor(src_w, src_h, dst_w, dst_h, horDscale,
2177                verDscale);
2178        //TODO Use log2f once math.h has it
2179        if((int)horDscale)
2180            horzDeci = (int)(log(horDscale) / log(2));
2181        if((int)verDscale)
2182            vertDeci = (int)(log(verDscale) / log(2));
2183        if(horzDeci || vertDeci) return;
2184    }
2185    //Property
2186    char value[PROPERTY_VALUE_MAX];
2187    property_get("debug.disable.bwc", value, "0");
2188     if(atoi(value)) return;
2189
2190    ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDSS_MDP_BWC_EN);
2191}
2192
2193void LayerRotMap::add(hwc_layer_1_t* layer, Rotator *rot) {
2194    if(mCount >= MAX_SESS) return;
2195    mLayer[mCount] = layer;
2196    mRot[mCount] = rot;
2197    mCount++;
2198}
2199
2200void LayerRotMap::reset() {
2201    for (int i = 0; i < MAX_SESS; i++) {
2202        mLayer[i] = 0;
2203        mRot[i] = 0;
2204    }
2205    mCount = 0;
2206}
2207
2208void LayerRotMap::clear() {
2209    RotMgr::getInstance()->markUnusedTop(mCount);
2210    reset();
2211}
2212
2213void LayerRotMap::setReleaseFd(const int& fence) {
2214    for(uint32_t i = 0; i < mCount; i++) {
2215        mRot[i]->setReleaseFd(dup(fence));
2216    }
2217}
2218
2219void resetROI(hwc_context_t *ctx, const int dpy) {
2220    const int fbXRes = (int)ctx->dpyAttr[dpy].xres;
2221    const int fbYRes = (int)ctx->dpyAttr[dpy].yres;
2222    if(isDisplaySplit(ctx, dpy)) {
2223        const int lSplit = getLeftSplit(ctx, dpy);
2224        ctx->listStats[dpy].lRoi = (struct hwc_rect){0, 0, lSplit, fbYRes};
2225        ctx->listStats[dpy].rRoi = (struct hwc_rect){lSplit, 0, fbXRes, fbYRes};
2226    } else  {
2227        ctx->listStats[dpy].lRoi = (struct hwc_rect){0, 0,fbXRes, fbYRes};
2228        ctx->listStats[dpy].rRoi = (struct hwc_rect){0, 0, 0, 0};
2229    }
2230}
2231
2232hwc_rect_t getSanitizeROI(struct hwc_rect roi, hwc_rect boundary)
2233{
2234   if(!isValidRect(roi))
2235      return roi;
2236
2237   struct hwc_rect t_roi = roi;
2238
2239   const int LEFT_ALIGN = qdutils::MDPVersion::getInstance().getLeftAlign();
2240   const int WIDTH_ALIGN = qdutils::MDPVersion::getInstance().getWidthAlign();
2241   const int TOP_ALIGN = qdutils::MDPVersion::getInstance().getTopAlign();
2242   const int HEIGHT_ALIGN = qdutils::MDPVersion::getInstance().getHeightAlign();
2243   const int MIN_WIDTH = qdutils::MDPVersion::getInstance().getMinROIWidth();
2244   const int MIN_HEIGHT = qdutils::MDPVersion::getInstance().getMinROIHeight();
2245
2246   /* Align to minimum width recommended by the panel */
2247   if((t_roi.right - t_roi.left) < MIN_WIDTH) {
2248       if((t_roi.left + MIN_WIDTH) > boundary.right)
2249           t_roi.left = t_roi.right - MIN_WIDTH;
2250       else
2251           t_roi.right = t_roi.left + MIN_WIDTH;
2252   }
2253
2254  /* Align to minimum height recommended by the panel */
2255   if((t_roi.bottom - t_roi.top) < MIN_HEIGHT) {
2256       if((t_roi.top + MIN_HEIGHT) > boundary.bottom)
2257           t_roi.top = t_roi.bottom - MIN_HEIGHT;
2258       else
2259           t_roi.bottom = t_roi.top + MIN_HEIGHT;
2260   }
2261
2262   /* Align left and width to meet panel restrictions */
2263   if(LEFT_ALIGN)
2264       t_roi.left = t_roi.left - (t_roi.left % LEFT_ALIGN);
2265
2266   if(WIDTH_ALIGN) {
2267       int width = t_roi.right - t_roi.left;
2268       width = WIDTH_ALIGN * ((width + (WIDTH_ALIGN - 1)) / WIDTH_ALIGN);
2269       t_roi.right = t_roi.left + width;
2270
2271       if(t_roi.right > boundary.right) {
2272           t_roi.right = boundary.right;
2273           t_roi.left = t_roi.right - width;
2274
2275           if(LEFT_ALIGN)
2276               t_roi.left = t_roi.left - (t_roi.left % LEFT_ALIGN);
2277       }
2278   }
2279
2280
2281   /* Align top and height to meet panel restrictions */
2282   if(TOP_ALIGN)
2283       t_roi.top = t_roi.top - (t_roi.top % TOP_ALIGN);
2284
2285   if(HEIGHT_ALIGN) {
2286       int height = t_roi.bottom - t_roi.top;
2287       height = HEIGHT_ALIGN *  ((height + (HEIGHT_ALIGN - 1)) / HEIGHT_ALIGN);
2288       t_roi.bottom = t_roi.top  + height;
2289
2290       if(t_roi.bottom > boundary.bottom) {
2291           t_roi.bottom = boundary.bottom;
2292           t_roi.top = t_roi.bottom - height;
2293
2294           if(TOP_ALIGN)
2295               t_roi.top = t_roi.top - (t_roi.top % TOP_ALIGN);
2296       }
2297   }
2298
2299
2300   return t_roi;
2301}
2302
2303};//namespace qhwc
2304