hwc_utils.cpp revision afd2af8bd4132022cb5611f60cfa3ef36cafa28c 
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
109void initContext(hwc_context_t *ctx)
110{
111    if(openFramebufferDevice(ctx) < 0) {
112        ALOGE("%s: failed to open framebuffer!!", __FUNCTION__);
113    }
114
115    overlay::Overlay::initOverlay();
116    ctx->mOverlay = overlay::Overlay::getInstance();
117    ctx->mRotMgr = new RotMgr();
118    ctx->mMDP.version = qdutils::MDPVersion::getInstance().getMDPVersion();
119    ctx->mMDP.hasOverlay = qdutils::MDPVersion::getInstance().hasOverlay();
120    ctx->mMDP.panel = qdutils::MDPVersion::getInstance().getPanelType();
121    overlay::Overlay::initOverlay();
122    ctx->mOverlay = overlay::Overlay::getInstance();
123    ctx->mRotMgr = new RotMgr();
124
125    //Is created and destroyed only once for primary
126    //For external it could get created and destroyed multiple times depending
127    //on what external we connect to.
128    ctx->mFBUpdate[HWC_DISPLAY_PRIMARY] =
129        IFBUpdate::getObject(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres,
130        HWC_DISPLAY_PRIMARY);
131
132    // Check if the target supports copybit compostion (dyn/mdp/c2d) to
133    // decide if we need to open the copybit module.
134    int compositionType =
135        qdutils::QCCompositionType::getInstance().getCompositionType();
136
137    if (compositionType & (qdutils::COMPOSITION_TYPE_DYN |
138                           qdutils::COMPOSITION_TYPE_MDP |
139                           qdutils::COMPOSITION_TYPE_C2D)) {
140            ctx->mCopyBit[HWC_DISPLAY_PRIMARY] = new CopyBit();
141    }
142
143    ctx->mExtDisplay = new ExternalDisplay(ctx);
144
145    for (uint32_t i = 0; i < MAX_DISPLAYS; i++) {
146        ctx->mLayerRotMap[i] = new LayerRotMap();
147    }
148
149    ctx->mMDPComp[HWC_DISPLAY_PRIMARY] =
150         MDPComp::getObject(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres,
151         HWC_DISPLAY_PRIMARY);
152
153    MDPComp::init(ctx);
154
155    ctx->vstate.enable = false;
156    ctx->vstate.fakevsync = false;
157    ctx->mExtDispConfiguring = false;
158    ctx->mBasePipeSetup = false;
159
160    //Right now hwc starts the service but anybody could do it, or it could be
161    //independent process as well.
162    QService::init();
163    sp<IQClient> client = new QClient(ctx);
164    interface_cast<IQService>(
165            defaultServiceManager()->getService(
166            String16("display.qservice")))->connect(client);
167
168    ALOGI("Initializing Qualcomm Hardware Composer");
169    ALOGI("MDP version: %d", ctx->mMDP.version);
170}
171
172void closeContext(hwc_context_t *ctx)
173{
174    if(ctx->mOverlay) {
175        delete ctx->mOverlay;
176        ctx->mOverlay = NULL;
177    }
178
179    if(ctx->mRotMgr) {
180        delete ctx->mRotMgr;
181        ctx->mRotMgr = NULL;
182    }
183
184    for(int i = 0; i < MAX_DISPLAYS; i++) {
185        if(ctx->mCopyBit[i]) {
186            delete ctx->mCopyBit[i];
187            ctx->mCopyBit[i] = NULL;
188        }
189    }
190
191    if(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd) {
192        close(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd);
193        ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = -1;
194    }
195
196    if(ctx->mExtDisplay) {
197        delete ctx->mExtDisplay;
198        ctx->mExtDisplay = NULL;
199    }
200
201    for(int i = 0; i < MAX_DISPLAYS; i++) {
202        if(ctx->mFBUpdate[i]) {
203            delete ctx->mFBUpdate[i];
204            ctx->mFBUpdate[i] = NULL;
205        }
206        if(ctx->mMDPComp[i]) {
207            delete ctx->mMDPComp[i];
208            ctx->mMDPComp[i] = NULL;
209        }
210        if(ctx->mLayerRotMap[i]) {
211            delete ctx->mLayerRotMap[i];
212            ctx->mLayerRotMap[i] = NULL;
213        }
214    }
215}
216
217
218void dumpsys_log(android::String8& buf, const char* fmt, ...)
219{
220    va_list varargs;
221    va_start(varargs, fmt);
222    buf.appendFormatV(fmt, varargs);
223    va_end(varargs);
224}
225
226/* Calculates the destination position based on the action safe rectangle */
227void getActionSafePosition(hwc_context_t *ctx, int dpy, uint32_t& x,
228                           uint32_t& y, uint32_t& w, uint32_t& h) {
229
230    // if external supports underscan, do nothing
231    // it will be taken care in the driver
232    if(ctx->mExtDisplay->isCEUnderscanSupported())
233        return;
234
235    float wRatio = 1.0;
236    float hRatio = 1.0;
237    float xRatio = 1.0;
238    float yRatio = 1.0;
239
240    float fbWidth = ctx->dpyAttr[dpy].xres;
241    float fbHeight = ctx->dpyAttr[dpy].yres;
242
243    float asX = 0;
244    float asY = 0;
245    float asW = fbWidth;
246    float asH= fbHeight;
247    char value[PROPERTY_VALUE_MAX];
248
249    // Apply action safe parameters
250    property_get("hw.actionsafe.width", value, "0");
251    int asWidthRatio = atoi(value);
252    property_get("hw.actionsafe.height", value, "0");
253    int asHeightRatio = atoi(value);
254    // based on the action safe ratio, get the Action safe rectangle
255    asW = fbWidth * (1.0f -  asWidthRatio / 100.0f);
256    asH = fbHeight * (1.0f -  asHeightRatio / 100.0f);
257    asX = (fbWidth - asW) / 2;
258    asY = (fbHeight - asH) / 2;
259
260    // calculate the position ratio
261    xRatio = (float)x/fbWidth;
262    yRatio = (float)y/fbHeight;
263    wRatio = (float)w/fbWidth;
264    hRatio = (float)h/fbHeight;
265
266    //Calculate the position...
267    x = (xRatio * asW) + asX;
268    y = (yRatio * asH) + asY;
269    w = (wRatio * asW);
270    h = (hRatio * asH);
271
272    return;
273}
274
275bool needsScaling(hwc_layer_1_t const* layer) {
276    int dst_w, dst_h, src_w, src_h;
277
278    hwc_rect_t displayFrame  = layer->displayFrame;
279    hwc_rect_t sourceCrop = layer->sourceCrop;
280
281    dst_w = displayFrame.right - displayFrame.left;
282    dst_h = displayFrame.bottom - displayFrame.top;
283
284    src_w = sourceCrop.right - sourceCrop.left;
285    src_h = sourceCrop.bottom - sourceCrop.top;
286
287    if(((src_w != dst_w) || (src_h != dst_h)))
288        return true;
289
290    return false;
291}
292
293bool isAlphaScaled(hwc_layer_1_t const* layer) {
294    if(needsScaling(layer) && isAlphaPresent(layer)) {
295        return true;
296    }
297    return false;
298}
299
300bool isAlphaPresent(hwc_layer_1_t const* layer) {
301    private_handle_t *hnd = (private_handle_t *)layer->handle;
302    if(hnd) {
303        int format = hnd->format;
304        switch(format) {
305        case HAL_PIXEL_FORMAT_RGBA_8888:
306        case HAL_PIXEL_FORMAT_BGRA_8888:
307            // In any more formats with Alpha go here..
308            return true;
309        default : return false;
310        }
311    }
312    return false;
313}
314
315// Let CABL know we have a YUV layer
316static void setYUVProp(int yuvCount) {
317    static char property[PROPERTY_VALUE_MAX];
318    if(yuvCount > 0) {
319        if (property_get("hw.cabl.yuv", property, NULL) > 0) {
320            if (atoi(property) != 1) {
321                property_set("hw.cabl.yuv", "1");
322            }
323        }
324    } else {
325        if (property_get("hw.cabl.yuv", property, NULL) > 0) {
326            if (atoi(property) != 0) {
327                property_set("hw.cabl.yuv", "0");
328            }
329        }
330    }
331}
332
333void setListStats(hwc_context_t *ctx,
334        const hwc_display_contents_1_t *list, int dpy) {
335
336    ctx->listStats[dpy].numAppLayers = list->numHwLayers - 1;
337    ctx->listStats[dpy].fbLayerIndex = list->numHwLayers - 1;
338    ctx->listStats[dpy].skipCount = 0;
339    ctx->listStats[dpy].needsAlphaScale = false;
340    ctx->listStats[dpy].preMultipliedAlpha = false;
341    ctx->listStats[dpy].planeAlpha = false;
342    ctx->listStats[dpy].yuvCount = 0;
343
344    for (size_t i = 0; i < list->numHwLayers; i++) {
345        hwc_layer_1_t const* layer = &list->hwLayers[i];
346        private_handle_t *hnd = (private_handle_t *)layer->handle;
347
348        //reset stored yuv index
349        ctx->listStats[dpy].yuvIndices[i] = -1;
350
351        if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
352            continue;
353        //We disregard FB being skip for now! so the else if
354        } else if (isSkipLayer(&list->hwLayers[i])) {
355            ctx->listStats[dpy].skipCount++;
356        } else if (UNLIKELY(isYuvBuffer(hnd))) {
357            int& yuvCount = ctx->listStats[dpy].yuvCount;
358            ctx->listStats[dpy].yuvIndices[yuvCount] = i;
359            yuvCount++;
360
361            if(layer->transform & HWC_TRANSFORM_ROT_90)
362                ctx->mNeedsRotator = true;
363        }
364        if(layer->blending == HWC_BLENDING_PREMULT)
365            ctx->listStats[dpy].preMultipliedAlpha = true;
366        if(layer->planeAlpha < 0xFF)
367            ctx->listStats[dpy].planeAlpha = true;
368        if(!ctx->listStats[dpy].needsAlphaScale)
369            ctx->listStats[dpy].needsAlphaScale = isAlphaScaled(layer);
370    }
371    setYUVProp(ctx->listStats[dpy].yuvCount);
372}
373
374
375static inline void calc_cut(float& leftCutRatio, float& topCutRatio,
376        float& rightCutRatio, float& bottomCutRatio, int orient) {
377    if(orient & HAL_TRANSFORM_FLIP_H) {
378        swap(leftCutRatio, rightCutRatio);
379    }
380    if(orient & HAL_TRANSFORM_FLIP_V) {
381        swap(topCutRatio, bottomCutRatio);
382    }
383    if(orient & HAL_TRANSFORM_ROT_90) {
384        //Anti clock swapping
385        float tmpCutRatio = leftCutRatio;
386        leftCutRatio = topCutRatio;
387        topCutRatio = rightCutRatio;
388        rightCutRatio = bottomCutRatio;
389        bottomCutRatio = tmpCutRatio;
390    }
391}
392
393bool isSecuring(hwc_context_t* ctx, hwc_layer_1_t const* layer) {
394    if((ctx->mMDP.version < qdutils::MDSS_V5) &&
395       (ctx->mMDP.version > qdutils::MDP_V3_0) &&
396        ctx->mSecuring) {
397        return true;
398    }
399    //  On A-Family, Secure policy is applied system wide and not on
400    //  buffers.
401    if (isSecureModePolicy(ctx->mMDP.version)) {
402        private_handle_t *hnd = (private_handle_t *)layer->handle;
403        if(ctx->mSecureMode) {
404            if (! isSecureBuffer(hnd)) {
405                // This code path executes for the following usecase:
406                // Some Apps in which first few seconds, framework
407                // sends non-secure buffer and with out destroying
408                // surfaces, switches to secure buffer thereby exposing
409                // vulnerability on A-family devices. Catch this situation
410                // and handle it gracefully by allowing it to be composed by
411                // GPU.
412                ALOGD_IF(HWC_UTILS_DEBUG, "%s: Handle non-secure video layer"
413                         "during secure playback gracefully", __FUNCTION__);
414                return true;
415            }
416        } else {
417            if (isSecureBuffer(hnd)) {
418                // This code path executes for the following usecase:
419                // For some Apps, when User terminates playback, Framework
420                // doesnt destroy video surface and video surface still
421                // comes to Display HAL. This exposes vulnerability on
422                // A-family. Catch this situation and handle it gracefully
423                // by allowing it to be composed by GPU.
424                ALOGD_IF(HWC_UTILS_DEBUG, "%s: Handle secure video layer"
425                         "during non-secure playback gracefully", __FUNCTION__);
426                return true;
427            }
428        }
429    }
430    return false;
431}
432
433bool isSecureModePolicy(int mdpVersion) {
434    if (mdpVersion < qdutils::MDSS_V5)
435        return true;
436    else
437        return false;
438}
439
440int getBlending(int blending) {
441    switch(blending) {
442    case HWC_BLENDING_NONE:
443        return overlay::utils::OVERLAY_BLENDING_OPAQUE;
444    case HWC_BLENDING_PREMULT:
445        return overlay::utils::OVERLAY_BLENDING_PREMULT;
446    case HWC_BLENDING_COVERAGE :
447    default:
448        return overlay::utils::OVERLAY_BLENDING_COVERAGE;
449    }
450}
451
452//Crops source buffer against destination and FB boundaries
453void calculate_crop_rects(hwc_rect_t& crop, hwc_rect_t& dst,
454                          const hwc_rect_t& scissor, int orient) {
455
456    int& crop_l = crop.left;
457    int& crop_t = crop.top;
458    int& crop_r = crop.right;
459    int& crop_b = crop.bottom;
460    int crop_w = crop.right - crop.left;
461    int crop_h = crop.bottom - crop.top;
462
463    int& dst_l = dst.left;
464    int& dst_t = dst.top;
465    int& dst_r = dst.right;
466    int& dst_b = dst.bottom;
467    int dst_w = abs(dst.right - dst.left);
468    int dst_h = abs(dst.bottom - dst.top);
469
470    const int& sci_l = scissor.left;
471    const int& sci_t = scissor.top;
472    const int& sci_r = scissor.right;
473    const int& sci_b = scissor.bottom;
474    int sci_w = abs(sci_r - sci_l);
475    int sci_h = abs(sci_b - sci_t);
476
477    float leftCutRatio = 0.0f, rightCutRatio = 0.0f, topCutRatio = 0.0f,
478            bottomCutRatio = 0.0f;
479
480    if(dst_l < sci_l) {
481        leftCutRatio = (float)(sci_l - dst_l) / (float)dst_w;
482        dst_l = sci_l;
483    }
484
485    if(dst_r > sci_r) {
486        rightCutRatio = (float)(dst_r - sci_r) / (float)dst_w;
487        dst_r = sci_r;
488    }
489
490    if(dst_t < sci_t) {
491        topCutRatio = (float)(sci_t - dst_t) / (float)dst_h;
492        dst_t = sci_t;
493    }
494
495    if(dst_b > sci_b) {
496        bottomCutRatio = (float)(dst_b - sci_b) / (float)dst_h;
497        dst_b = sci_b;
498    }
499
500    calc_cut(leftCutRatio, topCutRatio, rightCutRatio, bottomCutRatio, orient);
501    crop_l += crop_w * leftCutRatio;
502    crop_t += crop_h * topCutRatio;
503    crop_r -= crop_w * rightCutRatio;
504    crop_b -= crop_h * bottomCutRatio;
505}
506
507void getNonWormholeRegion(hwc_display_contents_1_t* list,
508                              hwc_rect_t& nwr)
509{
510    uint32_t last = list->numHwLayers - 1;
511    hwc_rect_t fbDisplayFrame = list->hwLayers[last].displayFrame;
512    //Initiliaze nwr to first frame
513    nwr.left =  list->hwLayers[0].displayFrame.left;
514    nwr.top =  list->hwLayers[0].displayFrame.top;
515    nwr.right =  list->hwLayers[0].displayFrame.right;
516    nwr.bottom =  list->hwLayers[0].displayFrame.bottom;
517
518    for (uint32_t i = 1; i < last; i++) {
519        hwc_rect_t displayFrame = list->hwLayers[i].displayFrame;
520        nwr.left   = min(nwr.left, displayFrame.left);
521        nwr.top    = min(nwr.top, displayFrame.top);
522        nwr.right  = max(nwr.right, displayFrame.right);
523        nwr.bottom = max(nwr.bottom, displayFrame.bottom);
524    }
525
526    //Intersect with the framebuffer
527    nwr.left   = max(nwr.left, fbDisplayFrame.left);
528    nwr.top    = max(nwr.top, fbDisplayFrame.top);
529    nwr.right  = min(nwr.right, fbDisplayFrame.right);
530    nwr.bottom = min(nwr.bottom, fbDisplayFrame.bottom);
531
532}
533
534bool isExternalActive(hwc_context_t* ctx) {
535    return ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].isActive;
536}
537
538void closeAcquireFds(hwc_display_contents_1_t* list) {
539    if(LIKELY(list)) {
540        for(uint32_t i = 0; i < list->numHwLayers; i++) {
541            //Close the acquireFenceFds
542            //HWC_FRAMEBUFFER are -1 already by SF, rest we close.
543            if(list->hwLayers[i].acquireFenceFd >= 0) {
544                close(list->hwLayers[i].acquireFenceFd);
545                list->hwLayers[i].acquireFenceFd = -1;
546            }
547        }
548    }
549}
550
551int hwc_sync(hwc_context_t *ctx, hwc_display_contents_1_t* list, int dpy,
552        int fd) {
553    int ret = 0;
554
555    int acquireFd[MAX_NUM_LAYERS];
556    int count = 0;
557    int releaseFd = -1;
558    int fbFd = -1;
559    int rotFd = -1;
560    bool swapzero = false;
561    int mdpVersion = qdutils::MDPVersion::getInstance().getMDPVersion();
562
563    struct mdp_buf_sync data;
564    memset(&data, 0, sizeof(data));
565    //Until B-family supports sync for rotator
566    if(mdpVersion >= qdutils::MDSS_V5) {
567        data.flags = MDP_BUF_SYNC_FLAG_WAIT;
568    }
569    data.acq_fen_fd = acquireFd;
570    data.rel_fen_fd = &releaseFd;
571
572    char property[PROPERTY_VALUE_MAX];
573    if(property_get("debug.egl.swapinterval", property, "1") > 0) {
574        if(atoi(property) == 0)
575            swapzero = true;
576    }
577
578#ifndef MDSS_TARGET
579    //Send acquireFenceFds to rotator
580    if(mdpVersion < qdutils::MDSS_V5) {
581        //A-family
582        int rotFd = ctx->mRotMgr->getRotDevFd();
583        struct msm_rotator_buf_sync rotData;
584
585        for(uint32_t i = 0; i < ctx->mLayerRotMap[dpy]->getCount(); i++) {
586            memset(&rotData, 0, sizeof(rotData));
587            int& acquireFenceFd =
588                ctx->mLayerRotMap[dpy]->getLayer(i)->acquireFenceFd;
589            rotData.acq_fen_fd = acquireFenceFd;
590            rotData.session_id = ctx->mLayerRotMap[dpy]->getRot(i)->getSessId();
591            ioctl(rotFd, MSM_ROTATOR_IOCTL_BUFFER_SYNC, &rotData);
592            close(acquireFenceFd);
593             //For MDP to wait on.
594            acquireFenceFd = dup(rotData.rel_fen_fd);
595            //A buffer is free to be used by producer as soon as its copied to
596            //rotator.
597            ctx->mLayerRotMap[dpy]->getLayer(i)->releaseFenceFd =
598                    rotData.rel_fen_fd;
599        }
600    } else {
601        //TODO B-family
602    }
603
604#endif
605    //Accumulate acquireFenceFds for MDP
606    for(uint32_t i = 0; i < list->numHwLayers; i++) {
607        if(list->hwLayers[i].compositionType == HWC_OVERLAY &&
608                        list->hwLayers[i].acquireFenceFd >= 0) {
609            if(UNLIKELY(swapzero))
610                acquireFd[count++] = -1;
611            else
612                acquireFd[count++] = list->hwLayers[i].acquireFenceFd;
613        }
614        if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
615            if(UNLIKELY(swapzero))
616                acquireFd[count++] = -1;
617            else if(fd >= 0) {
618                //set the acquireFD from fd - which is coming from c2d
619                acquireFd[count++] = fd;
620                // Buffer sync IOCTL should be async when using c2d fence is
621                // used
622                data.flags &= ~MDP_BUF_SYNC_FLAG_WAIT;
623            } else if(list->hwLayers[i].acquireFenceFd >= 0)
624                acquireFd[count++] = list->hwLayers[i].acquireFenceFd;
625        }
626    }
627
628    data.acq_fen_fd_cnt = count;
629    fbFd = ctx->dpyAttr[dpy].fd;
630
631    //Waits for acquire fences, returns a release fence
632    if(LIKELY(!swapzero)) {
633        uint64_t start = systemTime();
634        ret = ioctl(fbFd, MSMFB_BUFFER_SYNC, &data);
635        ALOGD_IF(HWC_UTILS_DEBUG, "%s: time taken for MSMFB_BUFFER_SYNC IOCTL = %d",
636                            __FUNCTION__, (size_t) ns2ms(systemTime() - start));
637    }
638
639    if(ret < 0) {
640        ALOGE("ioctl MSMFB_BUFFER_SYNC failed, err=%s",
641                strerror(errno));
642    }
643
644    for(uint32_t i = 0; i < list->numHwLayers; i++) {
645        if(list->hwLayers[i].compositionType == HWC_OVERLAY ||
646           list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
647            //Populate releaseFenceFds.
648            if(UNLIKELY(swapzero)) {
649                list->hwLayers[i].releaseFenceFd = -1;
650            } else if(list->hwLayers[i].releaseFenceFd < 0) {
651                //If rotator has not already populated this field.
652                list->hwLayers[i].releaseFenceFd = dup(releaseFd);
653            }
654        }
655    }
656
657    if(fd >= 0) {
658        close(fd);
659        fd = -1;
660    }
661
662    if (ctx->mCopyBit[dpy])
663        ctx->mCopyBit[dpy]->setReleaseFd(releaseFd);
664
665    //A-family
666    if(mdpVersion < qdutils::MDSS_V5) {
667        //Signals when MDP finishes reading rotator buffers.
668        ctx->mLayerRotMap[dpy]->setReleaseFd(releaseFd);
669    }
670
671    if(UNLIKELY(swapzero)){
672        list->retireFenceFd = -1;
673        close(releaseFd);
674    } else {
675        list->retireFenceFd = releaseFd;
676    }
677
678    return ret;
679}
680
681void trimLayer(hwc_context_t *ctx, const int& dpy, const int& transform,
682        hwc_rect_t& crop, hwc_rect_t& dst) {
683    int hw_w = ctx->dpyAttr[dpy].xres;
684    int hw_h = ctx->dpyAttr[dpy].yres;
685    if(dst.left < 0 || dst.top < 0 ||
686            dst.right > hw_w || dst.bottom > hw_h) {
687        hwc_rect_t scissor = {0, 0, hw_w, hw_h };
688        qhwc::calculate_crop_rects(crop, dst, scissor, transform);
689    }
690}
691
692void setMdpFlags(hwc_layer_1_t *layer,
693        ovutils::eMdpFlags &mdpFlags,
694        int rotDownscale) {
695    private_handle_t *hnd = (private_handle_t *)layer->handle;
696    MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
697    const int& transform = layer->transform;
698
699    if(layer->blending == HWC_BLENDING_PREMULT) {
700        ovutils::setMdpFlags(mdpFlags,
701                ovutils::OV_MDP_BLEND_FG_PREMULT);
702    }
703
704    if(isYuvBuffer(hnd)) {
705        if(isSecureBuffer(hnd)) {
706            ovutils::setMdpFlags(mdpFlags,
707                    ovutils::OV_MDP_SECURE_OVERLAY_SESSION);
708        }
709        if(metadata && (metadata->operation & PP_PARAM_INTERLACED) &&
710                metadata->interlaced) {
711            ovutils::setMdpFlags(mdpFlags,
712                    ovutils::OV_MDP_DEINTERLACE);
713        }
714        //Pre-rotation will be used using rotator.
715        if(transform & HWC_TRANSFORM_ROT_90) {
716            ovutils::setMdpFlags(mdpFlags,
717                    ovutils::OV_MDP_SOURCE_ROTATED_90);
718        }
719    }
720
721    //No 90 component and no rot-downscale then flips done by MDP
722    //If we use rot then it might as well do flips
723    if(!(layer->transform & HWC_TRANSFORM_ROT_90) && !rotDownscale) {
724        if(layer->transform & HWC_TRANSFORM_FLIP_H) {
725            ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_FLIP_H);
726        }
727
728        if(layer->transform & HWC_TRANSFORM_FLIP_V) {
729            ovutils::setMdpFlags(mdpFlags,  ovutils::OV_MDP_FLIP_V);
730        }
731    }
732
733    if(metadata &&
734        ((metadata->operation & PP_PARAM_HSIC)
735        || (metadata->operation & PP_PARAM_IGC)
736        || (metadata->operation & PP_PARAM_SHARP2))) {
737        ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_PP_EN);
738    }
739}
740
741static inline int configRotator(Rotator *rot, const Whf& whf,
742        const eMdpFlags& mdpFlags, const eTransform& orient,
743        const int& downscale) {
744    rot->setSource(whf);
745    rot->setFlags(mdpFlags);
746    rot->setTransform(orient);
747    rot->setDownscale(downscale);
748    if(!rot->commit()) return -1;
749    return 0;
750}
751
752/*
753 * Sets up BORDERFILL as default base pipe and detaches RGB0.
754 * Framebuffer is always updated using PLAY ioctl.
755 */
756bool setupBasePipe(hwc_context_t *ctx) {
757    const int dpy = HWC_DISPLAY_PRIMARY;
758    int fb_stride = ctx->dpyAttr[dpy].stride;
759    int fb_width = ctx->dpyAttr[dpy].xres;
760    int fb_height = ctx->dpyAttr[dpy].yres;
761    int fb_fd = ctx->dpyAttr[dpy].fd;
762
763    mdp_overlay ovInfo;
764    msmfb_overlay_data ovData;
765    memset(&ovInfo, 0, sizeof(mdp_overlay));
766    memset(&ovData, 0, sizeof(msmfb_overlay_data));
767
768    ovInfo.src.format = MDP_RGB_BORDERFILL;
769    ovInfo.src.width  = fb_width;
770    ovInfo.src.height = fb_height;
771    ovInfo.src_rect.w = fb_width;
772    ovInfo.src_rect.h = fb_height;
773    ovInfo.dst_rect.w = fb_width;
774    ovInfo.dst_rect.h = fb_height;
775    ovInfo.id = MSMFB_NEW_REQUEST;
776
777    if (ioctl(fb_fd, MSMFB_OVERLAY_SET, &ovInfo) < 0) {
778        ALOGE("Failed to call ioctl MSMFB_OVERLAY_SET err=%s",
779                strerror(errno));
780        return false;
781    }
782
783    ovData.id = ovInfo.id;
784    if (ioctl(fb_fd, MSMFB_OVERLAY_PLAY, &ovData) < 0) {
785        ALOGE("Failed to call ioctl MSMFB_OVERLAY_PLAY err=%s",
786                strerror(errno));
787        return false;
788    }
789    ctx->mBasePipeSetup = true;
790    return true;
791}
792
793
794static inline int configMdp(Overlay *ov, const PipeArgs& parg,
795        const eTransform& orient, const hwc_rect_t& crop,
796        const hwc_rect_t& pos, const MetaData_t *metadata,
797        const eDest& dest) {
798    ov->setSource(parg, dest);
799    ov->setTransform(orient, dest);
800
801    int crop_w = crop.right - crop.left;
802    int crop_h = crop.bottom - crop.top;
803    Dim dcrop(crop.left, crop.top, crop_w, crop_h);
804    ov->setCrop(dcrop, dest);
805
806    int posW = pos.right - pos.left;
807    int posH = pos.bottom - pos.top;
808    Dim position(pos.left, pos.top, posW, posH);
809    ov->setPosition(position, dest);
810
811    if (metadata)
812        ov->setVisualParams(*metadata, dest);
813
814    if (!ov->commit(dest)) {
815        return -1;
816    }
817    return 0;
818}
819
820static inline void updateSource(eTransform& orient, Whf& whf,
821        hwc_rect_t& crop) {
822    Dim srcCrop(crop.left, crop.top,
823            crop.right - crop.left,
824            crop.bottom - crop.top);
825    //getMdpOrient will switch the flips if the source is 90 rotated.
826    //Clients in Android dont factor in 90 rotation while deciding the flip.
827    orient = static_cast<eTransform>(ovutils::getMdpOrient(orient));
828    preRotateSource(orient, whf, srcCrop);
829    crop.left = srcCrop.x;
830    crop.top = srcCrop.y;
831    crop.right = srcCrop.x + srcCrop.w;
832    crop.bottom = srcCrop.y + srcCrop.h;
833}
834
835int configureLowRes(hwc_context_t *ctx, hwc_layer_1_t *layer,
836        const int& dpy, eMdpFlags& mdpFlags, const eZorder& z,
837        const eIsFg& isFg, const eDest& dest, Rotator **rot) {
838
839    private_handle_t *hnd = (private_handle_t *)layer->handle;
840    if(!hnd) {
841        ALOGE("%s: layer handle is NULL", __FUNCTION__);
842        return -1;
843    }
844
845    MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
846
847    hwc_rect_t crop = layer->sourceCrop;
848    hwc_rect_t dst = layer->displayFrame;
849    int transform = layer->transform;
850    eTransform orient = static_cast<eTransform>(transform);
851    int downscale = 0;
852    int rotFlags = ovutils::ROT_FLAGS_NONE;
853    Whf whf(hnd->width, hnd->height,
854            getMdpFormat(hnd->format), hnd->size);
855
856    if(isYuvBuffer(hnd) && ctx->mMDP.version >= qdutils::MDP_V4_2 &&
857       ctx->mMDP.version < qdutils::MDSS_V5) {
858        downscale =  getDownscaleFactor(
859            crop.right - crop.left,
860            crop.bottom - crop.top,
861            dst.right - dst.left,
862            dst.bottom - dst.top);
863        if(downscale) {
864            rotFlags = ROT_DOWNSCALE_ENABLED;
865        }
866    }
867
868    setMdpFlags(layer, mdpFlags, downscale);
869    trimLayer(ctx, dpy, transform, crop, dst);
870
871    if(isYuvBuffer(hnd) && //if 90 component or downscale, use rot
872            ((transform & HWC_TRANSFORM_ROT_90) || downscale)) {
873        *rot = ctx->mRotMgr->getNext();
874        if(*rot == NULL) return -1;
875        //Configure rotator for pre-rotation
876        if(configRotator(*rot, whf, mdpFlags, orient, downscale) < 0)
877            return -1;
878        ctx->mLayerRotMap[dpy]->add(layer, *rot);
879        whf.format = (*rot)->getDstFormat();
880        updateSource(orient, whf, crop);
881        rotFlags |= ovutils::ROT_PREROTATED;
882    }
883
884    //For the mdp, since either we are pre-rotating or MDP does flips
885    orient = OVERLAY_TRANSFORM_0;
886    transform = 0;
887
888    PipeArgs parg(mdpFlags, whf, z, isFg,
889                  static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
890                  (ovutils::eBlending) getBlending(layer->blending));
891
892    if(configMdp(ctx->mOverlay, parg, orient, crop, dst, metadata, dest) < 0) {
893        ALOGE("%s: commit failed for low res panel", __FUNCTION__);
894        ctx->mLayerRotMap[dpy]->reset();
895        return -1;
896    }
897    return 0;
898}
899
900int configureHighRes(hwc_context_t *ctx, hwc_layer_1_t *layer,
901        const int& dpy, eMdpFlags& mdpFlagsL, const eZorder& z,
902        const eIsFg& isFg, const eDest& lDest, const eDest& rDest,
903        Rotator **rot) {
904    private_handle_t *hnd = (private_handle_t *)layer->handle;
905    if(!hnd) {
906        ALOGE("%s: layer handle is NULL", __FUNCTION__);
907        return -1;
908    }
909
910    MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
911
912    int hw_w = ctx->dpyAttr[dpy].xres;
913    int hw_h = ctx->dpyAttr[dpy].yres;
914    hwc_rect_t crop = layer->sourceCrop;
915    hwc_rect_t dst = layer->displayFrame;
916    int transform = layer->transform;
917    eTransform orient = static_cast<eTransform>(transform);
918    const int downscale = 0;
919    int rotFlags = ROT_FLAGS_NONE;
920
921    Whf whf(hnd->width, hnd->height,
922            getMdpFormat(hnd->format), hnd->size);
923
924    setMdpFlags(layer, mdpFlagsL);
925    trimLayer(ctx, dpy, transform, crop, dst);
926
927    if(isYuvBuffer(hnd) && (transform & HWC_TRANSFORM_ROT_90)) {
928        (*rot) = ctx->mRotMgr->getNext();
929        if((*rot) == NULL) return -1;
930        //Configure rotator for pre-rotation
931        if(configRotator(*rot, whf, mdpFlagsL, orient, downscale) < 0)
932            return -1;
933        ctx->mLayerRotMap[dpy]->add(layer, *rot);
934        whf.format = (*rot)->getDstFormat();
935        updateSource(orient, whf, crop);
936        rotFlags |= ROT_PREROTATED;
937    }
938
939    eMdpFlags mdpFlagsR = mdpFlagsL;
940    setMdpFlags(mdpFlagsR, OV_MDSS_MDP_RIGHT_MIXER);
941
942    hwc_rect_t tmp_cropL, tmp_dstL;
943    hwc_rect_t tmp_cropR, tmp_dstR;
944
945    if(lDest != OV_INVALID) {
946        tmp_cropL = crop;
947        tmp_dstL = dst;
948        hwc_rect_t scissor = {0, 0, hw_w/2, hw_h };
949        qhwc::calculate_crop_rects(tmp_cropL, tmp_dstL, scissor, 0);
950    }
951    if(rDest != OV_INVALID) {
952        tmp_cropR = crop;
953        tmp_dstR = dst;
954        hwc_rect_t scissor = {hw_w/2, 0, hw_w, hw_h };
955        qhwc::calculate_crop_rects(tmp_cropR, tmp_dstR, scissor, 0);
956    }
957
958    //When buffer is flipped, contents of mixer config also needs to swapped.
959    //Not needed if the layer is confined to one half of the screen.
960    //If rotator has been used then it has also done the flips, so ignore them.
961    if((orient & OVERLAY_TRANSFORM_FLIP_V) && lDest != OV_INVALID
962            && rDest != OV_INVALID && rot == NULL) {
963        hwc_rect_t new_cropR;
964        new_cropR.left = tmp_cropL.left;
965        new_cropR.right = new_cropR.left + (tmp_cropR.right - tmp_cropR.left);
966
967        hwc_rect_t new_cropL;
968        new_cropL.left  = new_cropR.right;
969        new_cropL.right = tmp_cropR.right;
970
971        tmp_cropL.left =  new_cropL.left;
972        tmp_cropL.right =  new_cropL.right;
973
974        tmp_cropR.left = new_cropR.left;
975        tmp_cropR.right =  new_cropR.right;
976
977    }
978
979    //For the mdp, since either we are pre-rotating or MDP does flips
980    orient = OVERLAY_TRANSFORM_0;
981    transform = 0;
982
983    //configure left mixer
984    if(lDest != OV_INVALID) {
985        PipeArgs pargL(mdpFlagsL, whf, z, isFg,
986                       static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
987                       (ovutils::eBlending) getBlending(layer->blending));
988
989        if(configMdp(ctx->mOverlay, pargL, orient,
990                tmp_cropL, tmp_dstL, metadata, lDest) < 0) {
991            ALOGE("%s: commit failed for left mixer config", __FUNCTION__);
992            return -1;
993        }
994    }
995
996    //configure right mixer
997    if(rDest != OV_INVALID) {
998        PipeArgs pargR(mdpFlagsR, whf, z, isFg,
999                static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
1000                (ovutils::eBlending) getBlending(layer->blending));
1001
1002        tmp_dstR.right = tmp_dstR.right - tmp_dstR.left;
1003        tmp_dstR.left = 0;
1004        if(configMdp(ctx->mOverlay, pargR, orient,
1005                tmp_cropR, tmp_dstR, metadata, rDest) < 0) {
1006            ALOGE("%s: commit failed for right mixer config", __FUNCTION__);
1007            return -1;
1008        }
1009    }
1010
1011    return 0;
1012}
1013
1014void LayerRotMap::add(hwc_layer_1_t* layer, Rotator *rot) {
1015    if(mCount >= MAX_SESS) return;
1016    mLayer[mCount] = layer;
1017    mRot[mCount] = rot;
1018    mCount++;
1019}
1020
1021void LayerRotMap::reset() {
1022    for (int i = 0; i < MAX_SESS; i++) {
1023        mLayer[i] = 0;
1024        mRot[i] = 0;
1025    }
1026    mCount = 0;
1027}
1028
1029void LayerRotMap::setReleaseFd(const int& fence) {
1030    for(uint32_t i = 0; i < mCount; i++) {
1031        mRot[i]->setReleaseFd(dup(fence));
1032    }
1033}
1034
1035};//namespace qhwc
1036