hwc_utils.cpp revision 14d3eff5f9882bb23a1de856a492a595f360aaf2 
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 setYUVProp(hwc_context_t *ctx, int yuvCount) {
364    if (!ctx->mCablProp.enabled)
365        return;
366
367    if (yuvCount > 0 && !ctx->mCablProp.start) {
368        ctx->mCablProp.start = true;
369        if(ctx->mCablProp.videoOnly)
370            ppdComm("cabl:on", ctx);
371        else
372            ppdComm("cabl:yuv_on", ctx);
373
374    } else if (yuvCount == 0 && ctx->mCablProp.start) {
375        ctx->mCablProp.start = false;
376        if(ctx->mCablProp.videoOnly)
377            ppdComm("cabl:off", ctx);
378        else
379            ppdComm("cabl:yuv_off", ctx);
380        return;
381    }
382}
383
384void setListStats(hwc_context_t *ctx,
385        const hwc_display_contents_1_t *list, int dpy) {
386
387    ctx->listStats[dpy].numAppLayers = list->numHwLayers - 1;
388    ctx->listStats[dpy].fbLayerIndex = list->numHwLayers - 1;
389    ctx->listStats[dpy].skipCount = 0;
390    ctx->listStats[dpy].needsAlphaScale = false;
391    ctx->listStats[dpy].preMultipliedAlpha = false;
392    ctx->listStats[dpy].planeAlpha = false;
393    ctx->listStats[dpy].yuvCount = 0;
394
395    for (size_t i = 0; i < list->numHwLayers; i++) {
396        hwc_layer_1_t const* layer = &list->hwLayers[i];
397        private_handle_t *hnd = (private_handle_t *)layer->handle;
398
399        //reset stored yuv index
400        ctx->listStats[dpy].yuvIndices[i] = -1;
401
402        if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
403            continue;
404        //We disregard FB being skip for now! so the else if
405        } else if (isSkipLayer(&list->hwLayers[i])) {
406            ctx->listStats[dpy].skipCount++;
407        } else if (UNLIKELY(isYuvBuffer(hnd))) {
408            int& yuvCount = ctx->listStats[dpy].yuvCount;
409            ctx->listStats[dpy].yuvIndices[yuvCount] = i;
410            yuvCount++;
411
412            if(layer->transform & HWC_TRANSFORM_ROT_90)
413                ctx->mNeedsRotator = true;
414        }
415        if(layer->blending == HWC_BLENDING_PREMULT)
416            ctx->listStats[dpy].preMultipliedAlpha = true;
417        if(layer->planeAlpha < 0xFF)
418            ctx->listStats[dpy].planeAlpha = true;
419        if(!ctx->listStats[dpy].needsAlphaScale)
420            ctx->listStats[dpy].needsAlphaScale = isAlphaScaled(layer);
421    }
422    setYUVProp(ctx, ctx->listStats[dpy].yuvCount);
423}
424
425
426static inline void calc_cut(float& leftCutRatio, float& topCutRatio,
427        float& rightCutRatio, float& bottomCutRatio, int orient) {
428    if(orient & HAL_TRANSFORM_FLIP_H) {
429        swap(leftCutRatio, rightCutRatio);
430    }
431    if(orient & HAL_TRANSFORM_FLIP_V) {
432        swap(topCutRatio, bottomCutRatio);
433    }
434    if(orient & HAL_TRANSFORM_ROT_90) {
435        //Anti clock swapping
436        float tmpCutRatio = leftCutRatio;
437        leftCutRatio = topCutRatio;
438        topCutRatio = rightCutRatio;
439        rightCutRatio = bottomCutRatio;
440        bottomCutRatio = tmpCutRatio;
441    }
442}
443
444bool isSecuring(hwc_context_t* ctx, hwc_layer_1_t const* layer) {
445    if((ctx->mMDP.version < qdutils::MDSS_V5) &&
446       (ctx->mMDP.version > qdutils::MDP_V3_0) &&
447        ctx->mSecuring) {
448        return true;
449    }
450    //  On A-Family, Secure policy is applied system wide and not on
451    //  buffers.
452    if (isSecureModePolicy(ctx->mMDP.version)) {
453        private_handle_t *hnd = (private_handle_t *)layer->handle;
454        if(ctx->mSecureMode) {
455            if (! isSecureBuffer(hnd)) {
456                // This code path executes for the following usecase:
457                // Some Apps in which first few seconds, framework
458                // sends non-secure buffer and with out destroying
459                // surfaces, switches to secure buffer thereby exposing
460                // vulnerability on A-family devices. Catch this situation
461                // and handle it gracefully by allowing it to be composed by
462                // GPU.
463                ALOGD_IF(HWC_UTILS_DEBUG, "%s: Handle non-secure video layer"
464                         "during secure playback gracefully", __FUNCTION__);
465                return true;
466            }
467        } else {
468            if (isSecureBuffer(hnd)) {
469                // This code path executes for the following usecase:
470                // For some Apps, when User terminates playback, Framework
471                // doesnt destroy video surface and video surface still
472                // comes to Display HAL. This exposes vulnerability on
473                // A-family. Catch this situation and handle it gracefully
474                // by allowing it to be composed by GPU.
475                ALOGD_IF(HWC_UTILS_DEBUG, "%s: Handle secure video layer"
476                         "during non-secure playback gracefully", __FUNCTION__);
477                return true;
478            }
479        }
480    }
481    return false;
482}
483
484bool isSecureModePolicy(int mdpVersion) {
485    if (mdpVersion < qdutils::MDSS_V5)
486        return true;
487    else
488        return false;
489}
490
491int getBlending(int blending) {
492    switch(blending) {
493    case HWC_BLENDING_NONE:
494        return overlay::utils::OVERLAY_BLENDING_OPAQUE;
495    case HWC_BLENDING_PREMULT:
496        return overlay::utils::OVERLAY_BLENDING_PREMULT;
497    case HWC_BLENDING_COVERAGE :
498    default:
499        return overlay::utils::OVERLAY_BLENDING_COVERAGE;
500    }
501}
502
503//Crops source buffer against destination and FB boundaries
504void calculate_crop_rects(hwc_rect_t& crop, hwc_rect_t& dst,
505                          const hwc_rect_t& scissor, int orient) {
506
507    int& crop_l = crop.left;
508    int& crop_t = crop.top;
509    int& crop_r = crop.right;
510    int& crop_b = crop.bottom;
511    int crop_w = crop.right - crop.left;
512    int crop_h = crop.bottom - crop.top;
513
514    int& dst_l = dst.left;
515    int& dst_t = dst.top;
516    int& dst_r = dst.right;
517    int& dst_b = dst.bottom;
518    int dst_w = abs(dst.right - dst.left);
519    int dst_h = abs(dst.bottom - dst.top);
520
521    const int& sci_l = scissor.left;
522    const int& sci_t = scissor.top;
523    const int& sci_r = scissor.right;
524    const int& sci_b = scissor.bottom;
525    int sci_w = abs(sci_r - sci_l);
526    int sci_h = abs(sci_b - sci_t);
527
528    float leftCutRatio = 0.0f, rightCutRatio = 0.0f, topCutRatio = 0.0f,
529            bottomCutRatio = 0.0f;
530
531    if(dst_l < sci_l) {
532        leftCutRatio = (float)(sci_l - dst_l) / (float)dst_w;
533        dst_l = sci_l;
534    }
535
536    if(dst_r > sci_r) {
537        rightCutRatio = (float)(dst_r - sci_r) / (float)dst_w;
538        dst_r = sci_r;
539    }
540
541    if(dst_t < sci_t) {
542        topCutRatio = (float)(sci_t - dst_t) / (float)dst_h;
543        dst_t = sci_t;
544    }
545
546    if(dst_b > sci_b) {
547        bottomCutRatio = (float)(dst_b - sci_b) / (float)dst_h;
548        dst_b = sci_b;
549    }
550
551    calc_cut(leftCutRatio, topCutRatio, rightCutRatio, bottomCutRatio, orient);
552    crop_l += crop_w * leftCutRatio;
553    crop_t += crop_h * topCutRatio;
554    crop_r -= crop_w * rightCutRatio;
555    crop_b -= crop_h * bottomCutRatio;
556}
557
558void getNonWormholeRegion(hwc_display_contents_1_t* list,
559                              hwc_rect_t& nwr)
560{
561    uint32_t last = list->numHwLayers - 1;
562    hwc_rect_t fbDisplayFrame = list->hwLayers[last].displayFrame;
563    //Initiliaze nwr to first frame
564    nwr.left =  list->hwLayers[0].displayFrame.left;
565    nwr.top =  list->hwLayers[0].displayFrame.top;
566    nwr.right =  list->hwLayers[0].displayFrame.right;
567    nwr.bottom =  list->hwLayers[0].displayFrame.bottom;
568
569    for (uint32_t i = 1; i < last; i++) {
570        hwc_rect_t displayFrame = list->hwLayers[i].displayFrame;
571        nwr.left   = min(nwr.left, displayFrame.left);
572        nwr.top    = min(nwr.top, displayFrame.top);
573        nwr.right  = max(nwr.right, displayFrame.right);
574        nwr.bottom = max(nwr.bottom, displayFrame.bottom);
575    }
576
577    //Intersect with the framebuffer
578    nwr.left   = max(nwr.left, fbDisplayFrame.left);
579    nwr.top    = max(nwr.top, fbDisplayFrame.top);
580    nwr.right  = min(nwr.right, fbDisplayFrame.right);
581    nwr.bottom = min(nwr.bottom, fbDisplayFrame.bottom);
582
583}
584
585bool isExternalActive(hwc_context_t* ctx) {
586    return ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].isActive;
587}
588
589void closeAcquireFds(hwc_display_contents_1_t* list) {
590    if(LIKELY(list)) {
591        for(uint32_t i = 0; i < list->numHwLayers; i++) {
592            //Close the acquireFenceFds
593            //HWC_FRAMEBUFFER are -1 already by SF, rest we close.
594            if(list->hwLayers[i].acquireFenceFd >= 0) {
595                close(list->hwLayers[i].acquireFenceFd);
596                list->hwLayers[i].acquireFenceFd = -1;
597            }
598        }
599    }
600}
601
602int hwc_sync(hwc_context_t *ctx, hwc_display_contents_1_t* list, int dpy,
603        int fd) {
604    int ret = 0;
605
606    int acquireFd[MAX_NUM_LAYERS];
607    int count = 0;
608    int releaseFd = -1;
609    int retireFd = -1;
610    int fbFd = -1;
611    int rotFd = -1;
612    bool swapzero = false;
613    int mdpVersion = qdutils::MDPVersion::getInstance().getMDPVersion();
614
615    struct mdp_buf_sync data;
616    memset(&data, 0, sizeof(data));
617    //Until B-family supports sync for rotator
618    if(mdpVersion >= qdutils::MDSS_V5) {
619        data.flags = MDP_BUF_SYNC_FLAG_WAIT;
620    }
621    data.acq_fen_fd = acquireFd;
622    data.rel_fen_fd = &releaseFd;
623    data.retire_fen_fd = &retireFd;
624
625    char property[PROPERTY_VALUE_MAX];
626    if(property_get("debug.egl.swapinterval", property, "1") > 0) {
627        if(atoi(property) == 0)
628            swapzero = true;
629    }
630
631#ifndef MDSS_TARGET
632    //Send acquireFenceFds to rotator
633    if(mdpVersion < qdutils::MDSS_V5) {
634        //A-family
635        int rotFd = ctx->mRotMgr->getRotDevFd();
636        struct msm_rotator_buf_sync rotData;
637
638        for(uint32_t i = 0; i < ctx->mLayerRotMap[dpy]->getCount(); i++) {
639            memset(&rotData, 0, sizeof(rotData));
640            int& acquireFenceFd =
641                ctx->mLayerRotMap[dpy]->getLayer(i)->acquireFenceFd;
642            rotData.acq_fen_fd = acquireFenceFd;
643            rotData.session_id = ctx->mLayerRotMap[dpy]->getRot(i)->getSessId();
644            ioctl(rotFd, MSM_ROTATOR_IOCTL_BUFFER_SYNC, &rotData);
645            close(acquireFenceFd);
646             //For MDP to wait on.
647            acquireFenceFd = dup(rotData.rel_fen_fd);
648            //A buffer is free to be used by producer as soon as its copied to
649            //rotator.
650            ctx->mLayerRotMap[dpy]->getLayer(i)->releaseFenceFd =
651                    rotData.rel_fen_fd;
652        }
653    } else {
654        //TODO B-family
655    }
656
657#endif
658    //Accumulate acquireFenceFds for MDP
659    for(uint32_t i = 0; i < list->numHwLayers; i++) {
660        if(list->hwLayers[i].compositionType == HWC_OVERLAY &&
661                        list->hwLayers[i].acquireFenceFd >= 0) {
662            if(UNLIKELY(swapzero))
663                acquireFd[count++] = -1;
664            else
665                acquireFd[count++] = list->hwLayers[i].acquireFenceFd;
666        }
667        if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
668            if(UNLIKELY(swapzero))
669                acquireFd[count++] = -1;
670            else if(fd >= 0) {
671                //set the acquireFD from fd - which is coming from c2d
672                acquireFd[count++] = fd;
673                // Buffer sync IOCTL should be async when using c2d fence is
674                // used
675                data.flags &= ~MDP_BUF_SYNC_FLAG_WAIT;
676            } else if(list->hwLayers[i].acquireFenceFd >= 0)
677                acquireFd[count++] = list->hwLayers[i].acquireFenceFd;
678        }
679    }
680
681    data.acq_fen_fd_cnt = count;
682    fbFd = ctx->dpyAttr[dpy].fd;
683
684    //Waits for acquire fences, returns a release fence
685    if(LIKELY(!swapzero)) {
686        uint64_t start = systemTime();
687        ret = ioctl(fbFd, MSMFB_BUFFER_SYNC, &data);
688        ALOGD_IF(HWC_UTILS_DEBUG, "%s: time taken for MSMFB_BUFFER_SYNC IOCTL = %d",
689                            __FUNCTION__, (size_t) ns2ms(systemTime() - start));
690    }
691
692    if(ret < 0) {
693        ALOGE("ioctl MSMFB_BUFFER_SYNC failed, err=%s",
694                strerror(errno));
695    }
696
697    for(uint32_t i = 0; i < list->numHwLayers; i++) {
698        if(list->hwLayers[i].compositionType == HWC_OVERLAY ||
699           list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
700            //Populate releaseFenceFds.
701            if(UNLIKELY(swapzero)) {
702                list->hwLayers[i].releaseFenceFd = -1;
703            } else if(list->hwLayers[i].releaseFenceFd < 0) {
704                //If rotator has not already populated this field.
705                list->hwLayers[i].releaseFenceFd = dup(releaseFd);
706            }
707        }
708    }
709
710    if(fd >= 0) {
711        close(fd);
712        fd = -1;
713    }
714
715    if (ctx->mCopyBit[dpy])
716        ctx->mCopyBit[dpy]->setReleaseFd(releaseFd);
717
718    //A-family
719    if(mdpVersion < qdutils::MDSS_V5) {
720        //Signals when MDP finishes reading rotator buffers.
721        ctx->mLayerRotMap[dpy]->setReleaseFd(releaseFd);
722    }
723    close(releaseFd);
724    if(UNLIKELY(swapzero))
725        list->retireFenceFd = -1;
726    else
727        list->retireFenceFd = retireFd;
728    return ret;
729}
730
731void trimLayer(hwc_context_t *ctx, const int& dpy, const int& transform,
732        hwc_rect_t& crop, hwc_rect_t& dst) {
733    int hw_w = ctx->dpyAttr[dpy].xres;
734    int hw_h = ctx->dpyAttr[dpy].yres;
735    if(dst.left < 0 || dst.top < 0 ||
736            dst.right > hw_w || dst.bottom > hw_h) {
737        hwc_rect_t scissor = {0, 0, hw_w, hw_h };
738        qhwc::calculate_crop_rects(crop, dst, scissor, transform);
739    }
740}
741
742void setMdpFlags(hwc_layer_1_t *layer,
743        ovutils::eMdpFlags &mdpFlags,
744        int rotDownscale) {
745    private_handle_t *hnd = (private_handle_t *)layer->handle;
746    MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
747    const int& transform = layer->transform;
748
749    if(layer->blending == HWC_BLENDING_PREMULT) {
750        ovutils::setMdpFlags(mdpFlags,
751                ovutils::OV_MDP_BLEND_FG_PREMULT);
752    }
753
754    if(isYuvBuffer(hnd)) {
755        if(isSecureBuffer(hnd)) {
756            ovutils::setMdpFlags(mdpFlags,
757                    ovutils::OV_MDP_SECURE_OVERLAY_SESSION);
758        }
759        if(metadata && (metadata->operation & PP_PARAM_INTERLACED) &&
760                metadata->interlaced) {
761            ovutils::setMdpFlags(mdpFlags,
762                    ovutils::OV_MDP_DEINTERLACE);
763        }
764        //Pre-rotation will be used using rotator.
765        if(transform & HWC_TRANSFORM_ROT_90) {
766            ovutils::setMdpFlags(mdpFlags,
767                    ovutils::OV_MDP_SOURCE_ROTATED_90);
768        }
769    }
770
771    //No 90 component and no rot-downscale then flips done by MDP
772    //If we use rot then it might as well do flips
773    if(!(layer->transform & HWC_TRANSFORM_ROT_90) && !rotDownscale) {
774        if(layer->transform & HWC_TRANSFORM_FLIP_H) {
775            ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_FLIP_H);
776        }
777
778        if(layer->transform & HWC_TRANSFORM_FLIP_V) {
779            ovutils::setMdpFlags(mdpFlags,  ovutils::OV_MDP_FLIP_V);
780        }
781    }
782
783    if(metadata &&
784        ((metadata->operation & PP_PARAM_HSIC)
785        || (metadata->operation & PP_PARAM_IGC)
786        || (metadata->operation & PP_PARAM_SHARP2))) {
787        ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_PP_EN);
788    }
789}
790
791static inline int configRotator(Rotator *rot, const Whf& whf,
792        const eMdpFlags& mdpFlags, const eTransform& orient,
793        const int& downscale) {
794    rot->setSource(whf);
795    rot->setFlags(mdpFlags);
796    rot->setTransform(orient);
797    rot->setDownscale(downscale);
798    if(!rot->commit()) return -1;
799    return 0;
800}
801
802/*
803 * Sets up BORDERFILL as default base pipe and detaches RGB0.
804 * Framebuffer is always updated using PLAY ioctl.
805 */
806bool setupBasePipe(hwc_context_t *ctx) {
807    const int dpy = HWC_DISPLAY_PRIMARY;
808    int fb_stride = ctx->dpyAttr[dpy].stride;
809    int fb_width = ctx->dpyAttr[dpy].xres;
810    int fb_height = ctx->dpyAttr[dpy].yres;
811    int fb_fd = ctx->dpyAttr[dpy].fd;
812
813    mdp_overlay ovInfo;
814    msmfb_overlay_data ovData;
815    memset(&ovInfo, 0, sizeof(mdp_overlay));
816    memset(&ovData, 0, sizeof(msmfb_overlay_data));
817
818    ovInfo.src.format = MDP_RGB_BORDERFILL;
819    ovInfo.src.width  = fb_width;
820    ovInfo.src.height = fb_height;
821    ovInfo.src_rect.w = fb_width;
822    ovInfo.src_rect.h = fb_height;
823    ovInfo.dst_rect.w = fb_width;
824    ovInfo.dst_rect.h = fb_height;
825    ovInfo.id = MSMFB_NEW_REQUEST;
826
827    if (ioctl(fb_fd, MSMFB_OVERLAY_SET, &ovInfo) < 0) {
828        ALOGE("Failed to call ioctl MSMFB_OVERLAY_SET err=%s",
829                strerror(errno));
830        return false;
831    }
832
833    ovData.id = ovInfo.id;
834    if (ioctl(fb_fd, MSMFB_OVERLAY_PLAY, &ovData) < 0) {
835        ALOGE("Failed to call ioctl MSMFB_OVERLAY_PLAY err=%s",
836                strerror(errno));
837        return false;
838    }
839    ctx->mBasePipeSetup = true;
840    return true;
841}
842
843
844static inline int configMdp(Overlay *ov, const PipeArgs& parg,
845        const eTransform& orient, const hwc_rect_t& crop,
846        const hwc_rect_t& pos, const MetaData_t *metadata,
847        const eDest& dest) {
848    ov->setSource(parg, dest);
849    ov->setTransform(orient, dest);
850
851    int crop_w = crop.right - crop.left;
852    int crop_h = crop.bottom - crop.top;
853    Dim dcrop(crop.left, crop.top, crop_w, crop_h);
854    ov->setCrop(dcrop, dest);
855
856    int posW = pos.right - pos.left;
857    int posH = pos.bottom - pos.top;
858    Dim position(pos.left, pos.top, posW, posH);
859    ov->setPosition(position, dest);
860
861    if (metadata)
862        ov->setVisualParams(*metadata, dest);
863
864    if (!ov->commit(dest)) {
865        return -1;
866    }
867    return 0;
868}
869
870static inline void updateSource(eTransform& orient, Whf& whf,
871        hwc_rect_t& crop) {
872    Dim srcCrop(crop.left, crop.top,
873            crop.right - crop.left,
874            crop.bottom - crop.top);
875    //getMdpOrient will switch the flips if the source is 90 rotated.
876    //Clients in Android dont factor in 90 rotation while deciding the flip.
877    orient = static_cast<eTransform>(ovutils::getMdpOrient(orient));
878    preRotateSource(orient, whf, srcCrop);
879    crop.left = srcCrop.x;
880    crop.top = srcCrop.y;
881    crop.right = srcCrop.x + srcCrop.w;
882    crop.bottom = srcCrop.y + srcCrop.h;
883}
884
885int configureLowRes(hwc_context_t *ctx, hwc_layer_1_t *layer,
886        const int& dpy, eMdpFlags& mdpFlags, const eZorder& z,
887        const eIsFg& isFg, const eDest& dest, Rotator **rot) {
888
889    private_handle_t *hnd = (private_handle_t *)layer->handle;
890    if(!hnd) {
891        ALOGE("%s: layer handle is NULL", __FUNCTION__);
892        return -1;
893    }
894
895    MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
896
897    hwc_rect_t crop = layer->sourceCrop;
898    hwc_rect_t dst = layer->displayFrame;
899    int transform = layer->transform;
900    eTransform orient = static_cast<eTransform>(transform);
901    int downscale = 0;
902    int rotFlags = ovutils::ROT_FLAGS_NONE;
903    Whf whf(getWidth(hnd), getHeight(hnd),
904            getMdpFormat(hnd->format), hnd->size);
905
906    if(isYuvBuffer(hnd) && ctx->mMDP.version >= qdutils::MDP_V4_2 &&
907       ctx->mMDP.version < qdutils::MDSS_V5) {
908        downscale =  getDownscaleFactor(
909            crop.right - crop.left,
910            crop.bottom - crop.top,
911            dst.right - dst.left,
912            dst.bottom - dst.top);
913        if(downscale) {
914            rotFlags = ROT_DOWNSCALE_ENABLED;
915        }
916    }
917
918    setMdpFlags(layer, mdpFlags, downscale);
919    trimLayer(ctx, dpy, transform, crop, dst);
920
921    if(isYuvBuffer(hnd) && //if 90 component or downscale, use rot
922            ((transform & HWC_TRANSFORM_ROT_90) || downscale)) {
923        *rot = ctx->mRotMgr->getNext();
924        if(*rot == NULL) return -1;
925        //Configure rotator for pre-rotation
926        if(configRotator(*rot, whf, mdpFlags, orient, downscale) < 0)
927            return -1;
928        ctx->mLayerRotMap[dpy]->add(layer, *rot);
929        whf.format = (*rot)->getDstFormat();
930        updateSource(orient, whf, crop);
931        rotFlags |= ovutils::ROT_PREROTATED;
932    }
933
934    //For the mdp, since either we are pre-rotating or MDP does flips
935    orient = OVERLAY_TRANSFORM_0;
936    transform = 0;
937
938    PipeArgs parg(mdpFlags, whf, z, isFg,
939                  static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
940                  (ovutils::eBlending) getBlending(layer->blending));
941
942    if(configMdp(ctx->mOverlay, parg, orient, crop, dst, metadata, dest) < 0) {
943        ALOGE("%s: commit failed for low res panel", __FUNCTION__);
944        ctx->mLayerRotMap[dpy]->reset();
945        return -1;
946    }
947    return 0;
948}
949
950int configureHighRes(hwc_context_t *ctx, hwc_layer_1_t *layer,
951        const int& dpy, eMdpFlags& mdpFlagsL, const eZorder& z,
952        const eIsFg& isFg, const eDest& lDest, const eDest& rDest,
953        Rotator **rot) {
954    private_handle_t *hnd = (private_handle_t *)layer->handle;
955    if(!hnd) {
956        ALOGE("%s: layer handle is NULL", __FUNCTION__);
957        return -1;
958    }
959
960    MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
961
962    int hw_w = ctx->dpyAttr[dpy].xres;
963    int hw_h = ctx->dpyAttr[dpy].yres;
964    hwc_rect_t crop = layer->sourceCrop;
965    hwc_rect_t dst = layer->displayFrame;
966    int transform = layer->transform;
967    eTransform orient = static_cast<eTransform>(transform);
968    const int downscale = 0;
969    int rotFlags = ROT_FLAGS_NONE;
970
971    Whf whf(getWidth(hnd), getHeight(hnd),
972            getMdpFormat(hnd->format), hnd->size);
973
974    setMdpFlags(layer, mdpFlagsL);
975    trimLayer(ctx, dpy, transform, crop, dst);
976
977    if(isYuvBuffer(hnd) && (transform & HWC_TRANSFORM_ROT_90)) {
978        (*rot) = ctx->mRotMgr->getNext();
979        if((*rot) == NULL) return -1;
980        //Configure rotator for pre-rotation
981        if(configRotator(*rot, whf, mdpFlagsL, orient, downscale) < 0)
982            return -1;
983        ctx->mLayerRotMap[dpy]->add(layer, *rot);
984        whf.format = (*rot)->getDstFormat();
985        updateSource(orient, whf, crop);
986        rotFlags |= ROT_PREROTATED;
987    }
988
989    eMdpFlags mdpFlagsR = mdpFlagsL;
990    setMdpFlags(mdpFlagsR, OV_MDSS_MDP_RIGHT_MIXER);
991
992    hwc_rect_t tmp_cropL, tmp_dstL;
993    hwc_rect_t tmp_cropR, tmp_dstR;
994
995    if(lDest != OV_INVALID) {
996        tmp_cropL = crop;
997        tmp_dstL = dst;
998        hwc_rect_t scissor = {0, 0, hw_w/2, hw_h };
999        qhwc::calculate_crop_rects(tmp_cropL, tmp_dstL, scissor, 0);
1000    }
1001    if(rDest != OV_INVALID) {
1002        tmp_cropR = crop;
1003        tmp_dstR = dst;
1004        hwc_rect_t scissor = {hw_w/2, 0, hw_w, hw_h };
1005        qhwc::calculate_crop_rects(tmp_cropR, tmp_dstR, scissor, 0);
1006    }
1007
1008    //When buffer is flipped, contents of mixer config also needs to swapped.
1009    //Not needed if the layer is confined to one half of the screen.
1010    //If rotator has been used then it has also done the flips, so ignore them.
1011    if((orient & OVERLAY_TRANSFORM_FLIP_V) && lDest != OV_INVALID
1012            && rDest != OV_INVALID && rot == NULL) {
1013        hwc_rect_t new_cropR;
1014        new_cropR.left = tmp_cropL.left;
1015        new_cropR.right = new_cropR.left + (tmp_cropR.right - tmp_cropR.left);
1016
1017        hwc_rect_t new_cropL;
1018        new_cropL.left  = new_cropR.right;
1019        new_cropL.right = tmp_cropR.right;
1020
1021        tmp_cropL.left =  new_cropL.left;
1022        tmp_cropL.right =  new_cropL.right;
1023
1024        tmp_cropR.left = new_cropR.left;
1025        tmp_cropR.right =  new_cropR.right;
1026
1027    }
1028
1029    //For the mdp, since either we are pre-rotating or MDP does flips
1030    orient = OVERLAY_TRANSFORM_0;
1031    transform = 0;
1032
1033    //configure left mixer
1034    if(lDest != OV_INVALID) {
1035        PipeArgs pargL(mdpFlagsL, whf, z, isFg,
1036                       static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
1037                       (ovutils::eBlending) getBlending(layer->blending));
1038
1039        if(configMdp(ctx->mOverlay, pargL, orient,
1040                tmp_cropL, tmp_dstL, metadata, lDest) < 0) {
1041            ALOGE("%s: commit failed for left mixer config", __FUNCTION__);
1042            return -1;
1043        }
1044    }
1045
1046    //configure right mixer
1047    if(rDest != OV_INVALID) {
1048        PipeArgs pargR(mdpFlagsR, whf, z, isFg,
1049                static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
1050                (ovutils::eBlending) getBlending(layer->blending));
1051
1052        tmp_dstR.right = tmp_dstR.right - tmp_dstR.left;
1053        tmp_dstR.left = 0;
1054        if(configMdp(ctx->mOverlay, pargR, orient,
1055                tmp_cropR, tmp_dstR, metadata, rDest) < 0) {
1056            ALOGE("%s: commit failed for right mixer config", __FUNCTION__);
1057            return -1;
1058        }
1059    }
1060
1061    return 0;
1062}
1063
1064void LayerRotMap::add(hwc_layer_1_t* layer, Rotator *rot) {
1065    if(mCount >= MAX_SESS) return;
1066    mLayer[mCount] = layer;
1067    mRot[mCount] = rot;
1068    mCount++;
1069}
1070
1071void LayerRotMap::reset() {
1072    for (int i = 0; i < MAX_SESS; i++) {
1073        mLayer[i] = 0;
1074        mRot[i] = 0;
1075    }
1076    mCount = 0;
1077}
1078
1079void LayerRotMap::setReleaseFd(const int& fence) {
1080    for(uint32_t i = 0; i < mCount; i++) {
1081        mRot[i]->setReleaseFd(dup(fence));
1082    }
1083}
1084
1085};//namespace qhwc
1086