hwc_utils.cpp revision a63c9a0ab49be16d7fd465895ffaf2597ba5b4fe 
1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 * Copyright (C) 2012-2013, The Linux Foundation All rights reserved.
4 *
5 * Not a Contribution, Apache license notifications and license are retained
6 * for attribution purposes only.
7 *
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
11 *
12 *      http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 */
20#define HWC_UTILS_DEBUG 0
21#include <sys/ioctl.h>
22#include <binder/IServiceManager.h>
23#include <EGL/egl.h>
24#include <cutils/properties.h>
25#include <gralloc_priv.h>
26#include <overlay.h>
27#include <overlayRotator.h>
28#include "hwc_utils.h"
29#include "hwc_mdpcomp.h"
30#include "hwc_fbupdate.h"
31#include "mdp_version.h"
32#include "hwc_copybit.h"
33#include "external.h"
34#include "hwc_qclient.h"
35#include "QService.h"
36#include "comptype.h"
37
38using namespace qClient;
39using namespace qService;
40using namespace android;
41using namespace overlay;
42using namespace overlay::utils;
43namespace ovutils = overlay::utils;
44
45namespace qhwc {
46
47static int openFramebufferDevice(hwc_context_t *ctx)
48{
49    struct fb_fix_screeninfo finfo;
50    struct fb_var_screeninfo info;
51
52    int fb_fd = openFb(HWC_DISPLAY_PRIMARY);
53
54    if (ioctl(fb_fd, FBIOGET_VSCREENINFO, &info) == -1)
55        return -errno;
56
57    if (int(info.width) <= 0 || int(info.height) <= 0) {
58        // the driver doesn't return that information
59        // default to 160 dpi
60        info.width  = ((info.xres * 25.4f)/160.0f + 0.5f);
61        info.height = ((info.yres * 25.4f)/160.0f + 0.5f);
62    }
63
64    float xdpi = (info.xres * 25.4f) / info.width;
65    float ydpi = (info.yres * 25.4f) / info.height;
66
67#ifdef MSMFB_METADATA_GET
68    struct msmfb_metadata metadata;
69    memset(&metadata, 0 , sizeof(metadata));
70    metadata.op = metadata_op_frame_rate;
71
72    if (ioctl(fb_fd, MSMFB_METADATA_GET, &metadata) == -1) {
73        ALOGE("Error retrieving panel frame rate");
74        return -errno;
75    }
76
77    float fps  = metadata.data.panel_frame_rate;
78#else
79    //XXX: Remove reserved field usage on all baselines
80    //The reserved[3] field is used to store FPS by the driver.
81    float fps  = info.reserved[3] & 0xFF;
82#endif
83
84    if (ioctl(fb_fd, FBIOGET_FSCREENINFO, &finfo) == -1)
85        return -errno;
86
87    if (finfo.smem_len <= 0)
88        return -errno;
89
90    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = fb_fd;
91    //xres, yres may not be 32 aligned
92    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].stride = finfo.line_length /(info.xres/8);
93    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres = info.xres;
94    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres = info.yres;
95    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xdpi = xdpi;
96    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].ydpi = ydpi;
97    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].vsync_period = 1000000000l / fps;
98
99    //Unblank primary on first boot
100    if(ioctl(fb_fd, FBIOBLANK,FB_BLANK_UNBLANK) < 0) {
101        ALOGE("%s: Failed to unblank display", __FUNCTION__);
102        return -errno;
103    }
104    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].isActive = true;
105
106    return 0;
107}
108
109static int ppdComm(const char* cmd, hwc_context_t *ctx) {
110    int ret = -1;
111    ret = send(ctx->mCablProp.daemon_socket, cmd, strlen(cmd), MSG_NOSIGNAL);
112    if(ret < 0) {
113        ALOGE("Failed to send data over socket: %s",
114                strerror(errno));
115        return ret;
116    }
117    ALOGD_IF(HWC_UTILS_DEBUG, "%s: Sent command: %s", __FUNCTION__, cmd);
118    return 0;
119}
120
121static void connectPPDaemon(hwc_context_t *ctx)
122{
123    int ret = -1;
124    char property[PROPERTY_VALUE_MAX];
125    if ((property_get("ro.qualcomm.cabl", property, NULL) > 0) &&
126        (atoi(property) == 1)) {
127        ALOGD("%s: CABL is enabled", __FUNCTION__);
128        ctx->mCablProp.enabled = true;
129    } else {
130        ALOGD("%s: CABL is disabled", __FUNCTION__);
131        ctx->mCablProp.enabled = false;
132        return;
133    }
134
135    if ((property_get("persist.qcom.cabl.video_only", property, NULL) > 0) &&
136        (atoi(property) == 1)) {
137        ALOGD("%s: CABL is in video only mode", __FUNCTION__);
138        ctx->mCablProp.videoOnly = true;
139    } else {
140        ctx->mCablProp.videoOnly = false;
141    }
142
143    int daemon_socket = socket_local_client(DAEMON_SOCKET,
144                                            ANDROID_SOCKET_NAMESPACE_RESERVED,
145                                            SOCK_STREAM);
146    if(!daemon_socket) {
147        ALOGE("Connecting to socket failed: %s", strerror(errno));
148        ctx->mCablProp.enabled = false;
149        return;
150    }
151    ctx->mCablProp.daemon_socket = daemon_socket;
152}
153
154void initContext(hwc_context_t *ctx)
155{
156    if(openFramebufferDevice(ctx) < 0) {
157        ALOGE("%s: failed to open framebuffer!!", __FUNCTION__);
158    }
159
160    overlay::Overlay::initOverlay();
161    ctx->mOverlay = overlay::Overlay::getInstance();
162    ctx->mRotMgr = new RotMgr();
163    ctx->mMDP.version = qdutils::MDPVersion::getInstance().getMDPVersion();
164    ctx->mMDP.hasOverlay = qdutils::MDPVersion::getInstance().hasOverlay();
165    ctx->mMDP.panel = qdutils::MDPVersion::getInstance().getPanelType();
166    overlay::Overlay::initOverlay();
167    ctx->mOverlay = overlay::Overlay::getInstance();
168    ctx->mRotMgr = new RotMgr();
169
170    //Is created and destroyed only once for primary
171    //For external it could get created and destroyed multiple times depending
172    //on what external we connect to.
173    ctx->mFBUpdate[HWC_DISPLAY_PRIMARY] =
174        IFBUpdate::getObject(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres,
175        HWC_DISPLAY_PRIMARY);
176
177    // Check if the target supports copybit compostion (dyn/mdp/c2d) to
178    // decide if we need to open the copybit module.
179    int compositionType =
180        qdutils::QCCompositionType::getInstance().getCompositionType();
181
182    if (compositionType & (qdutils::COMPOSITION_TYPE_DYN |
183                           qdutils::COMPOSITION_TYPE_MDP |
184                           qdutils::COMPOSITION_TYPE_C2D)) {
185            ctx->mCopyBit[HWC_DISPLAY_PRIMARY] = new CopyBit();
186    }
187
188    ctx->mExtDisplay = new ExternalDisplay(ctx);
189
190    for (uint32_t i = 0; i < MAX_DISPLAYS; i++) {
191        ctx->mLayerRotMap[i] = new LayerRotMap();
192    }
193
194    ctx->mMDPComp[HWC_DISPLAY_PRIMARY] =
195         MDPComp::getObject(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres,
196         HWC_DISPLAY_PRIMARY);
197
198    MDPComp::init(ctx);
199
200    ctx->vstate.enable = false;
201    ctx->vstate.fakevsync = false;
202    ctx->mExtDispConfiguring = false;
203    ctx->mBasePipeSetup = false;
204
205    //Right now hwc starts the service but anybody could do it, or it could be
206    //independent process as well.
207    QService::init();
208    sp<IQClient> client = new QClient(ctx);
209    interface_cast<IQService>(
210            defaultServiceManager()->getService(
211            String16("display.qservice")))->connect(client);
212
213    ALOGI("Initializing Qualcomm Hardware Composer");
214    ALOGI("MDP version: %d", ctx->mMDP.version);
215
216    connectPPDaemon(ctx);
217}
218
219void closeContext(hwc_context_t *ctx)
220{
221    if(ctx->mOverlay) {
222        delete ctx->mOverlay;
223        ctx->mOverlay = NULL;
224    }
225
226    if(ctx->mRotMgr) {
227        delete ctx->mRotMgr;
228        ctx->mRotMgr = NULL;
229    }
230
231    for(int i = 0; i < MAX_DISPLAYS; i++) {
232        if(ctx->mCopyBit[i]) {
233            delete ctx->mCopyBit[i];
234            ctx->mCopyBit[i] = NULL;
235        }
236    }
237
238    if(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd) {
239        close(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd);
240        ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = -1;
241    }
242
243    if(ctx->mExtDisplay) {
244        delete ctx->mExtDisplay;
245        ctx->mExtDisplay = NULL;
246    }
247
248    for(int i = 0; i < MAX_DISPLAYS; i++) {
249        if(ctx->mFBUpdate[i]) {
250            delete ctx->mFBUpdate[i];
251            ctx->mFBUpdate[i] = NULL;
252        }
253        if(ctx->mMDPComp[i]) {
254            delete ctx->mMDPComp[i];
255            ctx->mMDPComp[i] = NULL;
256        }
257        if(ctx->mLayerRotMap[i]) {
258            delete ctx->mLayerRotMap[i];
259            ctx->mLayerRotMap[i] = NULL;
260        }
261    }
262}
263
264
265void dumpsys_log(android::String8& buf, const char* fmt, ...)
266{
267    va_list varargs;
268    va_start(varargs, fmt);
269    buf.appendFormatV(fmt, varargs);
270    va_end(varargs);
271}
272
273/* Calculates the destination position based on the action safe rectangle */
274void getActionSafePosition(hwc_context_t *ctx, int dpy, uint32_t& x,
275                           uint32_t& y, uint32_t& w, uint32_t& h) {
276
277    // if external supports underscan, do nothing
278    // it will be taken care in the driver
279    if(ctx->mExtDisplay->isCEUnderscanSupported())
280        return;
281
282    float wRatio = 1.0;
283    float hRatio = 1.0;
284    float xRatio = 1.0;
285    float yRatio = 1.0;
286
287    float fbWidth = ctx->dpyAttr[dpy].xres;
288    float fbHeight = ctx->dpyAttr[dpy].yres;
289
290    float asX = 0;
291    float asY = 0;
292    float asW = fbWidth;
293    float asH= fbHeight;
294    char value[PROPERTY_VALUE_MAX];
295
296    // Apply action safe parameters
297    property_get("hw.actionsafe.width", value, "0");
298    int asWidthRatio = atoi(value);
299    property_get("hw.actionsafe.height", value, "0");
300    int asHeightRatio = atoi(value);
301    // based on the action safe ratio, get the Action safe rectangle
302    asW = fbWidth * (1.0f -  asWidthRatio / 100.0f);
303    asH = fbHeight * (1.0f -  asHeightRatio / 100.0f);
304    asX = (fbWidth - asW) / 2;
305    asY = (fbHeight - asH) / 2;
306
307    // calculate the position ratio
308    xRatio = (float)x/fbWidth;
309    yRatio = (float)y/fbHeight;
310    wRatio = (float)w/fbWidth;
311    hRatio = (float)h/fbHeight;
312
313    //Calculate the position...
314    x = (xRatio * asW) + asX;
315    y = (yRatio * asH) + asY;
316    w = (wRatio * asW);
317    h = (hRatio * asH);
318
319    return;
320}
321
322bool needsScaling(hwc_layer_1_t const* layer) {
323    int dst_w, dst_h, src_w, src_h;
324
325    hwc_rect_t displayFrame  = layer->displayFrame;
326    hwc_rect_t sourceCrop = layer->sourceCrop;
327
328    dst_w = displayFrame.right - displayFrame.left;
329    dst_h = displayFrame.bottom - displayFrame.top;
330
331    src_w = sourceCrop.right - sourceCrop.left;
332    src_h = sourceCrop.bottom - sourceCrop.top;
333
334    if(((src_w != dst_w) || (src_h != dst_h)))
335        return true;
336
337    return false;
338}
339
340bool isAlphaScaled(hwc_layer_1_t const* layer) {
341    if(needsScaling(layer) && isAlphaPresent(layer)) {
342        return true;
343    }
344    return false;
345}
346
347bool isAlphaPresent(hwc_layer_1_t const* layer) {
348    private_handle_t *hnd = (private_handle_t *)layer->handle;
349    if(hnd) {
350        int format = hnd->format;
351        switch(format) {
352        case HAL_PIXEL_FORMAT_RGBA_8888:
353        case HAL_PIXEL_FORMAT_BGRA_8888:
354            // In any more formats with Alpha go here..
355            return true;
356        default : return false;
357        }
358    }
359    return false;
360}
361
362// Switch ppd on/off for YUV
363static void configurePPD(hwc_context_t *ctx, int yuvCount) {
364    if (!ctx->mCablProp.enabled)
365        return;
366
367    // No PPD for external
368    if (ctx->mExtDisplay->isExternalConnected()) {
369        if (ctx->mCablProp.start) {
370            ppdComm("cabl:off", ctx);
371            ctx->mCablProp.start = false;
372        }
373        return;
374    }
375
376    if (yuvCount > 0 && !ctx->mCablProp.start) {
377        ctx->mCablProp.start = true;
378        if(ctx->mCablProp.videoOnly)
379            ppdComm("cabl:on", ctx);
380        else
381            ppdComm("cabl:yuv_on", ctx);
382
383    } else if (yuvCount == 0 && ctx->mCablProp.start) {
384        ctx->mCablProp.start = false;
385        if(ctx->mCablProp.videoOnly)
386            ppdComm("cabl:off", ctx);
387        else
388            ppdComm("cabl:yuv_off", ctx);
389        return;
390    }
391}
392
393void setListStats(hwc_context_t *ctx,
394        const hwc_display_contents_1_t *list, int dpy) {
395
396    ctx->listStats[dpy].numAppLayers = list->numHwLayers - 1;
397    ctx->listStats[dpy].fbLayerIndex = list->numHwLayers - 1;
398    ctx->listStats[dpy].skipCount = 0;
399    ctx->listStats[dpy].needsAlphaScale = false;
400    ctx->listStats[dpy].preMultipliedAlpha = false;
401    ctx->listStats[dpy].planeAlpha = false;
402    ctx->listStats[dpy].yuvCount = 0;
403
404    for (size_t i = 0; i < list->numHwLayers; i++) {
405        hwc_layer_1_t const* layer = &list->hwLayers[i];
406        private_handle_t *hnd = (private_handle_t *)layer->handle;
407
408        //reset stored yuv index
409        ctx->listStats[dpy].yuvIndices[i] = -1;
410
411        if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
412            continue;
413        //We disregard FB being skip for now! so the else if
414        } else if (isSkipLayer(&list->hwLayers[i])) {
415            ctx->listStats[dpy].skipCount++;
416        } else if (UNLIKELY(isYuvBuffer(hnd))) {
417            int& yuvCount = ctx->listStats[dpy].yuvCount;
418            ctx->listStats[dpy].yuvIndices[yuvCount] = i;
419            yuvCount++;
420
421            if(layer->transform & HWC_TRANSFORM_ROT_90)
422                ctx->mNeedsRotator = true;
423        }
424        if(layer->blending == HWC_BLENDING_PREMULT)
425            ctx->listStats[dpy].preMultipliedAlpha = true;
426        if(layer->planeAlpha < 0xFF)
427            ctx->listStats[dpy].planeAlpha = true;
428        if(!ctx->listStats[dpy].needsAlphaScale)
429            ctx->listStats[dpy].needsAlphaScale = isAlphaScaled(layer);
430    }
431    if (dpy == HWC_DISPLAY_PRIMARY)
432        configurePPD(ctx, ctx->listStats[dpy].yuvCount);
433}
434
435
436static inline void calc_cut(float& leftCutRatio, float& topCutRatio,
437        float& rightCutRatio, float& bottomCutRatio, int orient) {
438    if(orient & HAL_TRANSFORM_FLIP_H) {
439        swap(leftCutRatio, rightCutRatio);
440    }
441    if(orient & HAL_TRANSFORM_FLIP_V) {
442        swap(topCutRatio, bottomCutRatio);
443    }
444    if(orient & HAL_TRANSFORM_ROT_90) {
445        //Anti clock swapping
446        float tmpCutRatio = leftCutRatio;
447        leftCutRatio = topCutRatio;
448        topCutRatio = rightCutRatio;
449        rightCutRatio = bottomCutRatio;
450        bottomCutRatio = tmpCutRatio;
451    }
452}
453
454bool isSecuring(hwc_context_t* ctx, hwc_layer_1_t const* layer) {
455    if((ctx->mMDP.version < qdutils::MDSS_V5) &&
456       (ctx->mMDP.version > qdutils::MDP_V3_0) &&
457        ctx->mSecuring) {
458        return true;
459    }
460    //  On A-Family, Secure policy is applied system wide and not on
461    //  buffers.
462    if (isSecureModePolicy(ctx->mMDP.version)) {
463        private_handle_t *hnd = (private_handle_t *)layer->handle;
464        if(ctx->mSecureMode) {
465            if (! isSecureBuffer(hnd)) {
466                // This code path executes for the following usecase:
467                // Some Apps in which first few seconds, framework
468                // sends non-secure buffer and with out destroying
469                // surfaces, switches to secure buffer thereby exposing
470                // vulnerability on A-family devices. Catch this situation
471                // and handle it gracefully by allowing it to be composed by
472                // GPU.
473                ALOGD_IF(HWC_UTILS_DEBUG, "%s: Handle non-secure video layer"
474                         "during secure playback gracefully", __FUNCTION__);
475                return true;
476            }
477        } else {
478            if (isSecureBuffer(hnd)) {
479                // This code path executes for the following usecase:
480                // For some Apps, when User terminates playback, Framework
481                // doesnt destroy video surface and video surface still
482                // comes to Display HAL. This exposes vulnerability on
483                // A-family. Catch this situation and handle it gracefully
484                // by allowing it to be composed by GPU.
485                ALOGD_IF(HWC_UTILS_DEBUG, "%s: Handle secure video layer"
486                         "during non-secure playback gracefully", __FUNCTION__);
487                return true;
488            }
489        }
490    }
491    return false;
492}
493
494bool isSecureModePolicy(int mdpVersion) {
495    if (mdpVersion < qdutils::MDSS_V5)
496        return true;
497    else
498        return false;
499}
500
501int getBlending(int blending) {
502    switch(blending) {
503    case HWC_BLENDING_NONE:
504        return overlay::utils::OVERLAY_BLENDING_OPAQUE;
505    case HWC_BLENDING_PREMULT:
506        return overlay::utils::OVERLAY_BLENDING_PREMULT;
507    case HWC_BLENDING_COVERAGE :
508    default:
509        return overlay::utils::OVERLAY_BLENDING_COVERAGE;
510    }
511}
512
513//Crops source buffer against destination and FB boundaries
514void calculate_crop_rects(hwc_rect_t& crop, hwc_rect_t& dst,
515                          const hwc_rect_t& scissor, int orient) {
516
517    int& crop_l = crop.left;
518    int& crop_t = crop.top;
519    int& crop_r = crop.right;
520    int& crop_b = crop.bottom;
521    int crop_w = crop.right - crop.left;
522    int crop_h = crop.bottom - crop.top;
523
524    int& dst_l = dst.left;
525    int& dst_t = dst.top;
526    int& dst_r = dst.right;
527    int& dst_b = dst.bottom;
528    int dst_w = abs(dst.right - dst.left);
529    int dst_h = abs(dst.bottom - dst.top);
530
531    const int& sci_l = scissor.left;
532    const int& sci_t = scissor.top;
533    const int& sci_r = scissor.right;
534    const int& sci_b = scissor.bottom;
535    int sci_w = abs(sci_r - sci_l);
536    int sci_h = abs(sci_b - sci_t);
537
538    float leftCutRatio = 0.0f, rightCutRatio = 0.0f, topCutRatio = 0.0f,
539            bottomCutRatio = 0.0f;
540
541    if(dst_l < sci_l) {
542        leftCutRatio = (float)(sci_l - dst_l) / (float)dst_w;
543        dst_l = sci_l;
544    }
545
546    if(dst_r > sci_r) {
547        rightCutRatio = (float)(dst_r - sci_r) / (float)dst_w;
548        dst_r = sci_r;
549    }
550
551    if(dst_t < sci_t) {
552        topCutRatio = (float)(sci_t - dst_t) / (float)dst_h;
553        dst_t = sci_t;
554    }
555
556    if(dst_b > sci_b) {
557        bottomCutRatio = (float)(dst_b - sci_b) / (float)dst_h;
558        dst_b = sci_b;
559    }
560
561    calc_cut(leftCutRatio, topCutRatio, rightCutRatio, bottomCutRatio, orient);
562    crop_l += crop_w * leftCutRatio;
563    crop_t += crop_h * topCutRatio;
564    crop_r -= crop_w * rightCutRatio;
565    crop_b -= crop_h * bottomCutRatio;
566}
567
568void getNonWormholeRegion(hwc_display_contents_1_t* list,
569                              hwc_rect_t& nwr)
570{
571    uint32_t last = list->numHwLayers - 1;
572    hwc_rect_t fbDisplayFrame = list->hwLayers[last].displayFrame;
573    //Initiliaze nwr to first frame
574    nwr.left =  list->hwLayers[0].displayFrame.left;
575    nwr.top =  list->hwLayers[0].displayFrame.top;
576    nwr.right =  list->hwLayers[0].displayFrame.right;
577    nwr.bottom =  list->hwLayers[0].displayFrame.bottom;
578
579    for (uint32_t i = 1; i < last; i++) {
580        hwc_rect_t displayFrame = list->hwLayers[i].displayFrame;
581        nwr.left   = min(nwr.left, displayFrame.left);
582        nwr.top    = min(nwr.top, displayFrame.top);
583        nwr.right  = max(nwr.right, displayFrame.right);
584        nwr.bottom = max(nwr.bottom, displayFrame.bottom);
585    }
586
587    //Intersect with the framebuffer
588    nwr.left   = max(nwr.left, fbDisplayFrame.left);
589    nwr.top    = max(nwr.top, fbDisplayFrame.top);
590    nwr.right  = min(nwr.right, fbDisplayFrame.right);
591    nwr.bottom = min(nwr.bottom, fbDisplayFrame.bottom);
592
593}
594
595bool isExternalActive(hwc_context_t* ctx) {
596    return ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].isActive;
597}
598
599void closeAcquireFds(hwc_display_contents_1_t* list) {
600    if(LIKELY(list)) {
601        for(uint32_t i = 0; i < list->numHwLayers; i++) {
602            //Close the acquireFenceFds
603            //HWC_FRAMEBUFFER are -1 already by SF, rest we close.
604            if(list->hwLayers[i].acquireFenceFd >= 0) {
605                close(list->hwLayers[i].acquireFenceFd);
606                list->hwLayers[i].acquireFenceFd = -1;
607            }
608        }
609    }
610}
611
612int hwc_sync(hwc_context_t *ctx, hwc_display_contents_1_t* list, int dpy,
613        int fd) {
614    int ret = 0;
615
616    int acquireFd[MAX_NUM_LAYERS];
617    int count = 0;
618    int releaseFd = -1;
619    int retireFd = -1;
620    int fbFd = -1;
621    int rotFd = -1;
622    bool swapzero = false;
623    int mdpVersion = qdutils::MDPVersion::getInstance().getMDPVersion();
624
625    struct mdp_buf_sync data;
626    memset(&data, 0, sizeof(data));
627    //Until B-family supports sync for rotator
628    if(mdpVersion >= qdutils::MDSS_V5) {
629        data.flags = MDP_BUF_SYNC_FLAG_WAIT;
630    }
631    data.acq_fen_fd = acquireFd;
632    data.rel_fen_fd = &releaseFd;
633    data.retire_fen_fd = &retireFd;
634
635    char property[PROPERTY_VALUE_MAX];
636    if(property_get("debug.egl.swapinterval", property, "1") > 0) {
637        if(atoi(property) == 0)
638            swapzero = true;
639    }
640
641#ifndef MDSS_TARGET
642    //Send acquireFenceFds to rotator
643    if(mdpVersion < qdutils::MDSS_V5) {
644        //A-family
645        int rotFd = ctx->mRotMgr->getRotDevFd();
646        struct msm_rotator_buf_sync rotData;
647
648        for(uint32_t i = 0; i < ctx->mLayerRotMap[dpy]->getCount(); i++) {
649            memset(&rotData, 0, sizeof(rotData));
650            int& acquireFenceFd =
651                ctx->mLayerRotMap[dpy]->getLayer(i)->acquireFenceFd;
652            rotData.acq_fen_fd = acquireFenceFd;
653            rotData.session_id = ctx->mLayerRotMap[dpy]->getRot(i)->getSessId();
654            ioctl(rotFd, MSM_ROTATOR_IOCTL_BUFFER_SYNC, &rotData);
655            close(acquireFenceFd);
656             //For MDP to wait on.
657            acquireFenceFd = dup(rotData.rel_fen_fd);
658            //A buffer is free to be used by producer as soon as its copied to
659            //rotator.
660            ctx->mLayerRotMap[dpy]->getLayer(i)->releaseFenceFd =
661                    rotData.rel_fen_fd;
662        }
663    } else {
664        //TODO B-family
665    }
666
667#endif
668    //Accumulate acquireFenceFds for MDP
669    for(uint32_t i = 0; i < list->numHwLayers; i++) {
670        if(list->hwLayers[i].compositionType == HWC_OVERLAY &&
671                        list->hwLayers[i].acquireFenceFd >= 0) {
672            if(UNLIKELY(swapzero))
673                acquireFd[count++] = -1;
674            else
675                acquireFd[count++] = list->hwLayers[i].acquireFenceFd;
676        }
677        if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
678            if(UNLIKELY(swapzero))
679                acquireFd[count++] = -1;
680            else if(fd >= 0) {
681                //set the acquireFD from fd - which is coming from c2d
682                acquireFd[count++] = fd;
683                // Buffer sync IOCTL should be async when using c2d fence is
684                // used
685                data.flags &= ~MDP_BUF_SYNC_FLAG_WAIT;
686            } else if(list->hwLayers[i].acquireFenceFd >= 0)
687                acquireFd[count++] = list->hwLayers[i].acquireFenceFd;
688        }
689    }
690
691    data.acq_fen_fd_cnt = count;
692    fbFd = ctx->dpyAttr[dpy].fd;
693
694    //Waits for acquire fences, returns a release fence
695    if(LIKELY(!swapzero)) {
696        uint64_t start = systemTime();
697        ret = ioctl(fbFd, MSMFB_BUFFER_SYNC, &data);
698        ALOGD_IF(HWC_UTILS_DEBUG, "%s: time taken for MSMFB_BUFFER_SYNC IOCTL = %d",
699                            __FUNCTION__, (size_t) ns2ms(systemTime() - start));
700    }
701
702    if(ret < 0) {
703        ALOGE("ioctl MSMFB_BUFFER_SYNC failed, err=%s",
704                strerror(errno));
705    }
706
707    for(uint32_t i = 0; i < list->numHwLayers; i++) {
708        if(list->hwLayers[i].compositionType == HWC_OVERLAY ||
709           list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
710            //Populate releaseFenceFds.
711            if(UNLIKELY(swapzero)) {
712                list->hwLayers[i].releaseFenceFd = -1;
713            } else if(list->hwLayers[i].releaseFenceFd < 0) {
714                //If rotator has not already populated this field.
715                list->hwLayers[i].releaseFenceFd = dup(releaseFd);
716            }
717        }
718    }
719
720    if(fd >= 0) {
721        close(fd);
722        fd = -1;
723    }
724
725    if (ctx->mCopyBit[dpy])
726        ctx->mCopyBit[dpy]->setReleaseFd(releaseFd);
727
728    //A-family
729    if(mdpVersion < qdutils::MDSS_V5) {
730        //Signals when MDP finishes reading rotator buffers.
731        ctx->mLayerRotMap[dpy]->setReleaseFd(releaseFd);
732    }
733    close(releaseFd);
734    if(UNLIKELY(swapzero))
735        list->retireFenceFd = -1;
736    else
737        list->retireFenceFd = retireFd;
738    return ret;
739}
740
741void trimLayer(hwc_context_t *ctx, const int& dpy, const int& transform,
742        hwc_rect_t& crop, hwc_rect_t& dst) {
743    int hw_w = ctx->dpyAttr[dpy].xres;
744    int hw_h = ctx->dpyAttr[dpy].yres;
745    if(dst.left < 0 || dst.top < 0 ||
746            dst.right > hw_w || dst.bottom > hw_h) {
747        hwc_rect_t scissor = {0, 0, hw_w, hw_h };
748        qhwc::calculate_crop_rects(crop, dst, scissor, transform);
749    }
750}
751
752void setMdpFlags(hwc_layer_1_t *layer,
753        ovutils::eMdpFlags &mdpFlags,
754        int rotDownscale) {
755    private_handle_t *hnd = (private_handle_t *)layer->handle;
756    MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
757    const int& transform = layer->transform;
758
759    if(layer->blending == HWC_BLENDING_PREMULT) {
760        ovutils::setMdpFlags(mdpFlags,
761                ovutils::OV_MDP_BLEND_FG_PREMULT);
762    }
763
764    if(isYuvBuffer(hnd)) {
765        if(isSecureBuffer(hnd)) {
766            ovutils::setMdpFlags(mdpFlags,
767                    ovutils::OV_MDP_SECURE_OVERLAY_SESSION);
768        }
769        if(metadata && (metadata->operation & PP_PARAM_INTERLACED) &&
770                metadata->interlaced) {
771            ovutils::setMdpFlags(mdpFlags,
772                    ovutils::OV_MDP_DEINTERLACE);
773        }
774        //Pre-rotation will be used using rotator.
775        if(transform & HWC_TRANSFORM_ROT_90) {
776            ovutils::setMdpFlags(mdpFlags,
777                    ovutils::OV_MDP_SOURCE_ROTATED_90);
778        }
779    }
780
781    //No 90 component and no rot-downscale then flips done by MDP
782    //If we use rot then it might as well do flips
783    if(!(layer->transform & HWC_TRANSFORM_ROT_90) && !rotDownscale) {
784        if(layer->transform & HWC_TRANSFORM_FLIP_H) {
785            ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_FLIP_H);
786        }
787
788        if(layer->transform & HWC_TRANSFORM_FLIP_V) {
789            ovutils::setMdpFlags(mdpFlags,  ovutils::OV_MDP_FLIP_V);
790        }
791    }
792
793    if(metadata &&
794        ((metadata->operation & PP_PARAM_HSIC)
795        || (metadata->operation & PP_PARAM_IGC)
796        || (metadata->operation & PP_PARAM_SHARP2))) {
797        ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_PP_EN);
798    }
799}
800
801static inline int configRotator(Rotator *rot, const Whf& whf,
802        const eMdpFlags& mdpFlags, const eTransform& orient,
803        const int& downscale) {
804    rot->setSource(whf);
805    rot->setFlags(mdpFlags);
806    rot->setTransform(orient);
807    rot->setDownscale(downscale);
808    if(!rot->commit()) return -1;
809    return 0;
810}
811
812/*
813 * Sets up BORDERFILL as default base pipe and detaches RGB0.
814 * Framebuffer is always updated using PLAY ioctl.
815 */
816bool setupBasePipe(hwc_context_t *ctx) {
817    const int dpy = HWC_DISPLAY_PRIMARY;
818    int fb_stride = ctx->dpyAttr[dpy].stride;
819    int fb_width = ctx->dpyAttr[dpy].xres;
820    int fb_height = ctx->dpyAttr[dpy].yres;
821    int fb_fd = ctx->dpyAttr[dpy].fd;
822
823    mdp_overlay ovInfo;
824    msmfb_overlay_data ovData;
825    memset(&ovInfo, 0, sizeof(mdp_overlay));
826    memset(&ovData, 0, sizeof(msmfb_overlay_data));
827
828    ovInfo.src.format = MDP_RGB_BORDERFILL;
829    ovInfo.src.width  = fb_width;
830    ovInfo.src.height = fb_height;
831    ovInfo.src_rect.w = fb_width;
832    ovInfo.src_rect.h = fb_height;
833    ovInfo.dst_rect.w = fb_width;
834    ovInfo.dst_rect.h = fb_height;
835    ovInfo.id = MSMFB_NEW_REQUEST;
836
837    if (ioctl(fb_fd, MSMFB_OVERLAY_SET, &ovInfo) < 0) {
838        ALOGE("Failed to call ioctl MSMFB_OVERLAY_SET err=%s",
839                strerror(errno));
840        return false;
841    }
842
843    ovData.id = ovInfo.id;
844    if (ioctl(fb_fd, MSMFB_OVERLAY_PLAY, &ovData) < 0) {
845        ALOGE("Failed to call ioctl MSMFB_OVERLAY_PLAY err=%s",
846                strerror(errno));
847        return false;
848    }
849    ctx->mBasePipeSetup = true;
850    return true;
851}
852
853
854static inline int configMdp(Overlay *ov, const PipeArgs& parg,
855        const eTransform& orient, const hwc_rect_t& crop,
856        const hwc_rect_t& pos, const MetaData_t *metadata,
857        const eDest& dest) {
858    ov->setSource(parg, dest);
859    ov->setTransform(orient, dest);
860
861    int crop_w = crop.right - crop.left;
862    int crop_h = crop.bottom - crop.top;
863    Dim dcrop(crop.left, crop.top, crop_w, crop_h);
864    ov->setCrop(dcrop, dest);
865
866    int posW = pos.right - pos.left;
867    int posH = pos.bottom - pos.top;
868    Dim position(pos.left, pos.top, posW, posH);
869    ov->setPosition(position, dest);
870
871    if (metadata)
872        ov->setVisualParams(*metadata, dest);
873
874    if (!ov->commit(dest)) {
875        return -1;
876    }
877    return 0;
878}
879
880static inline void updateSource(eTransform& orient, Whf& whf,
881        hwc_rect_t& crop) {
882    Dim srcCrop(crop.left, crop.top,
883            crop.right - crop.left,
884            crop.bottom - crop.top);
885    //getMdpOrient will switch the flips if the source is 90 rotated.
886    //Clients in Android dont factor in 90 rotation while deciding the flip.
887    orient = static_cast<eTransform>(ovutils::getMdpOrient(orient));
888    preRotateSource(orient, whf, srcCrop);
889    crop.left = srcCrop.x;
890    crop.top = srcCrop.y;
891    crop.right = srcCrop.x + srcCrop.w;
892    crop.bottom = srcCrop.y + srcCrop.h;
893}
894
895int configureLowRes(hwc_context_t *ctx, hwc_layer_1_t *layer,
896        const int& dpy, eMdpFlags& mdpFlags, const eZorder& z,
897        const eIsFg& isFg, const eDest& dest, Rotator **rot) {
898
899    private_handle_t *hnd = (private_handle_t *)layer->handle;
900    if(!hnd) {
901        ALOGE("%s: layer handle is NULL", __FUNCTION__);
902        return -1;
903    }
904
905    MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
906
907    hwc_rect_t crop = layer->sourceCrop;
908    hwc_rect_t dst = layer->displayFrame;
909    int transform = layer->transform;
910    eTransform orient = static_cast<eTransform>(transform);
911    int downscale = 0;
912    int rotFlags = ovutils::ROT_FLAGS_NONE;
913    Whf whf(getWidth(hnd), getHeight(hnd),
914            getMdpFormat(hnd->format), hnd->size);
915
916    if(isYuvBuffer(hnd) && ctx->mMDP.version >= qdutils::MDP_V4_2 &&
917       ctx->mMDP.version < qdutils::MDSS_V5) {
918        downscale =  getDownscaleFactor(
919            crop.right - crop.left,
920            crop.bottom - crop.top,
921            dst.right - dst.left,
922            dst.bottom - dst.top);
923        if(downscale) {
924            rotFlags = ROT_DOWNSCALE_ENABLED;
925        }
926    }
927
928    setMdpFlags(layer, mdpFlags, downscale);
929    trimLayer(ctx, dpy, transform, crop, dst);
930
931    if(isYuvBuffer(hnd) && //if 90 component or downscale, use rot
932            ((transform & HWC_TRANSFORM_ROT_90) || downscale)) {
933        *rot = ctx->mRotMgr->getNext();
934        if(*rot == NULL) return -1;
935        //Configure rotator for pre-rotation
936        if(configRotator(*rot, whf, mdpFlags, orient, downscale) < 0)
937            return -1;
938        ctx->mLayerRotMap[dpy]->add(layer, *rot);
939        whf.format = (*rot)->getDstFormat();
940        updateSource(orient, whf, crop);
941        rotFlags |= ovutils::ROT_PREROTATED;
942    }
943
944    //For the mdp, since either we are pre-rotating or MDP does flips
945    orient = OVERLAY_TRANSFORM_0;
946    transform = 0;
947
948    PipeArgs parg(mdpFlags, whf, z, isFg,
949                  static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
950                  (ovutils::eBlending) getBlending(layer->blending));
951
952    if(configMdp(ctx->mOverlay, parg, orient, crop, dst, metadata, dest) < 0) {
953        ALOGE("%s: commit failed for low res panel", __FUNCTION__);
954        ctx->mLayerRotMap[dpy]->reset();
955        return -1;
956    }
957    return 0;
958}
959
960int configureHighRes(hwc_context_t *ctx, hwc_layer_1_t *layer,
961        const int& dpy, eMdpFlags& mdpFlagsL, const eZorder& z,
962        const eIsFg& isFg, const eDest& lDest, const eDest& rDest,
963        Rotator **rot) {
964    private_handle_t *hnd = (private_handle_t *)layer->handle;
965    if(!hnd) {
966        ALOGE("%s: layer handle is NULL", __FUNCTION__);
967        return -1;
968    }
969
970    MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
971
972    int hw_w = ctx->dpyAttr[dpy].xres;
973    int hw_h = ctx->dpyAttr[dpy].yres;
974    hwc_rect_t crop = layer->sourceCrop;
975    hwc_rect_t dst = layer->displayFrame;
976    int transform = layer->transform;
977    eTransform orient = static_cast<eTransform>(transform);
978    const int downscale = 0;
979    int rotFlags = ROT_FLAGS_NONE;
980
981    Whf whf(getWidth(hnd), getHeight(hnd),
982            getMdpFormat(hnd->format), hnd->size);
983
984    setMdpFlags(layer, mdpFlagsL);
985    trimLayer(ctx, dpy, transform, crop, dst);
986
987    if(isYuvBuffer(hnd) && (transform & HWC_TRANSFORM_ROT_90)) {
988        (*rot) = ctx->mRotMgr->getNext();
989        if((*rot) == NULL) return -1;
990        //Configure rotator for pre-rotation
991        if(configRotator(*rot, whf, mdpFlagsL, orient, downscale) < 0)
992            return -1;
993        ctx->mLayerRotMap[dpy]->add(layer, *rot);
994        whf.format = (*rot)->getDstFormat();
995        updateSource(orient, whf, crop);
996        rotFlags |= ROT_PREROTATED;
997    }
998
999    eMdpFlags mdpFlagsR = mdpFlagsL;
1000    setMdpFlags(mdpFlagsR, OV_MDSS_MDP_RIGHT_MIXER);
1001
1002    hwc_rect_t tmp_cropL, tmp_dstL;
1003    hwc_rect_t tmp_cropR, tmp_dstR;
1004
1005    if(lDest != OV_INVALID) {
1006        tmp_cropL = crop;
1007        tmp_dstL = dst;
1008        hwc_rect_t scissor = {0, 0, hw_w/2, hw_h };
1009        qhwc::calculate_crop_rects(tmp_cropL, tmp_dstL, scissor, 0);
1010    }
1011    if(rDest != OV_INVALID) {
1012        tmp_cropR = crop;
1013        tmp_dstR = dst;
1014        hwc_rect_t scissor = {hw_w/2, 0, hw_w, hw_h };
1015        qhwc::calculate_crop_rects(tmp_cropR, tmp_dstR, scissor, 0);
1016    }
1017
1018    //When buffer is flipped, contents of mixer config also needs to swapped.
1019    //Not needed if the layer is confined to one half of the screen.
1020    //If rotator has been used then it has also done the flips, so ignore them.
1021    if((orient & OVERLAY_TRANSFORM_FLIP_V) && lDest != OV_INVALID
1022            && rDest != OV_INVALID && rot == NULL) {
1023        hwc_rect_t new_cropR;
1024        new_cropR.left = tmp_cropL.left;
1025        new_cropR.right = new_cropR.left + (tmp_cropR.right - tmp_cropR.left);
1026
1027        hwc_rect_t new_cropL;
1028        new_cropL.left  = new_cropR.right;
1029        new_cropL.right = tmp_cropR.right;
1030
1031        tmp_cropL.left =  new_cropL.left;
1032        tmp_cropL.right =  new_cropL.right;
1033
1034        tmp_cropR.left = new_cropR.left;
1035        tmp_cropR.right =  new_cropR.right;
1036
1037    }
1038
1039    //For the mdp, since either we are pre-rotating or MDP does flips
1040    orient = OVERLAY_TRANSFORM_0;
1041    transform = 0;
1042
1043    //configure left mixer
1044    if(lDest != OV_INVALID) {
1045        PipeArgs pargL(mdpFlagsL, whf, z, isFg,
1046                       static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
1047                       (ovutils::eBlending) getBlending(layer->blending));
1048
1049        if(configMdp(ctx->mOverlay, pargL, orient,
1050                tmp_cropL, tmp_dstL, metadata, lDest) < 0) {
1051            ALOGE("%s: commit failed for left mixer config", __FUNCTION__);
1052            return -1;
1053        }
1054    }
1055
1056    //configure right mixer
1057    if(rDest != OV_INVALID) {
1058        PipeArgs pargR(mdpFlagsR, whf, z, isFg,
1059                static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
1060                (ovutils::eBlending) getBlending(layer->blending));
1061
1062        tmp_dstR.right = tmp_dstR.right - tmp_dstR.left;
1063        tmp_dstR.left = 0;
1064        if(configMdp(ctx->mOverlay, pargR, orient,
1065                tmp_cropR, tmp_dstR, metadata, rDest) < 0) {
1066            ALOGE("%s: commit failed for right mixer config", __FUNCTION__);
1067            return -1;
1068        }
1069    }
1070
1071    return 0;
1072}
1073
1074void LayerRotMap::add(hwc_layer_1_t* layer, Rotator *rot) {
1075    if(mCount >= MAX_SESS) return;
1076    mLayer[mCount] = layer;
1077    mRot[mCount] = rot;
1078    mCount++;
1079}
1080
1081void LayerRotMap::reset() {
1082    for (int i = 0; i < MAX_SESS; i++) {
1083        mLayer[i] = 0;
1084        mRot[i] = 0;
1085    }
1086    mCount = 0;
1087}
1088
1089void LayerRotMap::setReleaseFd(const int& fence) {
1090    for(uint32_t i = 0; i < mCount; i++) {
1091        mRot[i]->setReleaseFd(dup(fence));
1092    }
1093}
1094
1095};//namespace qhwc
1096