hwc_utils.cpp revision b5768280d6a9874ebd502d73a1b037780e349ad4
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 <math.h>
22#include <sys/ioctl.h>
23#include <linux/fb.h>
24#include <binder/IServiceManager.h>
25#include <EGL/egl.h>
26#include <cutils/properties.h>
27#include <gralloc_priv.h>
28#include <overlay.h>
29#include <overlayRotator.h>
30#include "hwc_utils.h"
31#include "hwc_mdpcomp.h"
32#include "hwc_fbupdate.h"
33#include "mdp_version.h"
34#include "hwc_copybit.h"
35#include "hwc_dump_layers.h"
36#include "external.h"
37#include "hwc_qclient.h"
38#include "QService.h"
39#include "comptype.h"
40
41using namespace qClient;
42using namespace qService;
43using namespace android;
44using namespace overlay;
45using namespace overlay::utils;
46namespace ovutils = overlay::utils;
47
48namespace qhwc {
49
50static int openFramebufferDevice(hwc_context_t *ctx)
51{
52    struct fb_fix_screeninfo finfo;
53    struct fb_var_screeninfo info;
54
55    int fb_fd = openFb(HWC_DISPLAY_PRIMARY);
56    if(fb_fd < 0) {
57        ALOGE("%s: Error Opening FB : %s", __FUNCTION__, strerror(errno));
58        return -errno;
59    }
60
61    if (ioctl(fb_fd, FBIOGET_VSCREENINFO, &info) == -1) {
62        ALOGE("%s:Error in ioctl FBIOGET_VSCREENINFO: %s", __FUNCTION__,
63                                                       strerror(errno));
64        close(fb_fd);
65        return -errno;
66    }
67
68    if (int(info.width) <= 0 || int(info.height) <= 0) {
69        // the driver doesn't return that information
70        // default to 160 dpi
71        info.width  = ((info.xres * 25.4f)/160.0f + 0.5f);
72        info.height = ((info.yres * 25.4f)/160.0f + 0.5f);
73    }
74
75    float xdpi = (info.xres * 25.4f) / info.width;
76    float ydpi = (info.yres * 25.4f) / info.height;
77
78#ifdef MSMFB_METADATA_GET
79    struct msmfb_metadata metadata;
80    memset(&metadata, 0 , sizeof(metadata));
81    metadata.op = metadata_op_frame_rate;
82
83    if (ioctl(fb_fd, MSMFB_METADATA_GET, &metadata) == -1) {
84        ALOGE("%s:Error retrieving panel frame rate: %s", __FUNCTION__,
85                                                      strerror(errno));
86        close(fb_fd);
87        return -errno;
88    }
89
90    float fps  = metadata.data.panel_frame_rate;
91#else
92    //XXX: Remove reserved field usage on all baselines
93    //The reserved[3] field is used to store FPS by the driver.
94    float fps  = info.reserved[3] & 0xFF;
95#endif
96
97    if (ioctl(fb_fd, FBIOGET_FSCREENINFO, &finfo) == -1) {
98        ALOGE("%s:Error in ioctl FBIOGET_FSCREENINFO: %s", __FUNCTION__,
99                                                       strerror(errno));
100        close(fb_fd);
101        return -errno;
102    }
103
104    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = fb_fd;
105    //xres, yres may not be 32 aligned
106    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].stride = finfo.line_length /(info.xres/8);
107    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres = info.xres;
108    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres = info.yres;
109    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xdpi = xdpi;
110    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].ydpi = ydpi;
111    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].vsync_period = 1000000000l / fps;
112
113    //Unblank primary on first boot
114    if(ioctl(fb_fd, FBIOBLANK,FB_BLANK_UNBLANK) < 0) {
115        ALOGE("%s: Failed to unblank display", __FUNCTION__);
116        return -errno;
117    }
118    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].isActive = true;
119
120    return 0;
121}
122
123void initContext(hwc_context_t *ctx)
124{
125    openFramebufferDevice(ctx);
126    ctx->mMDP.version = qdutils::MDPVersion::getInstance().getMDPVersion();
127    ctx->mMDP.hasOverlay = qdutils::MDPVersion::getInstance().hasOverlay();
128    ctx->mMDP.panel = qdutils::MDPVersion::getInstance().getPanelType();
129    overlay::Overlay::initOverlay();
130    ctx->mOverlay = overlay::Overlay::getInstance();
131    ctx->mRotMgr = new RotMgr();
132
133    //Is created and destroyed only once for primary
134    //For external it could get created and destroyed multiple times depending
135    //on what external we connect to.
136    ctx->mFBUpdate[HWC_DISPLAY_PRIMARY] =
137        IFBUpdate::getObject(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres,
138        HWC_DISPLAY_PRIMARY);
139
140    // Check if the target supports copybit compostion (dyn/mdp/c2d) to
141    // decide if we need to open the copybit module.
142    int compositionType =
143        qdutils::QCCompositionType::getInstance().getCompositionType();
144
145    if (compositionType & (qdutils::COMPOSITION_TYPE_DYN |
146                           qdutils::COMPOSITION_TYPE_MDP |
147                           qdutils::COMPOSITION_TYPE_C2D)) {
148            ctx->mCopyBit[HWC_DISPLAY_PRIMARY] = new CopyBit();
149    }
150
151    ctx->mExtDisplay = new ExternalDisplay(ctx);
152
153    ctx->mMDPComp[HWC_DISPLAY_PRIMARY] =
154         MDPComp::getObject(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres,
155         HWC_DISPLAY_PRIMARY);
156
157    for (uint32_t i = 0; i < MAX_DISPLAYS; i++) {
158        ctx->mHwcDebug[i] = new HwcDebug(i);
159    }
160    MDPComp::init(ctx);
161
162    ctx->vstate.enable = false;
163    ctx->vstate.fakevsync = false;
164    ctx->mExtDispConfiguring = false;
165    ctx->mExtOrientation = 0;
166
167    //Right now hwc starts the service but anybody could do it, or it could be
168    //independent process as well.
169    QService::init();
170    sp<IQClient> client = new QClient(ctx);
171    interface_cast<IQService>(
172            defaultServiceManager()->getService(
173            String16("display.qservice")))->connect(client);
174
175    // Initialize "No animation on external display" related  parameters.
176    ctx->deviceOrientation = 0;
177    ctx->mPrevCropVideo.left = ctx->mPrevCropVideo.top =
178        ctx->mPrevCropVideo.right = ctx->mPrevCropVideo.bottom = 0;
179    ctx->mPrevDestVideo.left = ctx->mPrevDestVideo.top =
180        ctx->mPrevDestVideo.right = ctx->mPrevDestVideo.bottom = 0;
181    ctx->mPrevTransformVideo = 0;
182
183    ALOGI("Initializing Qualcomm Hardware Composer");
184    ALOGI("MDP version: %d", ctx->mMDP.version);
185}
186
187void closeContext(hwc_context_t *ctx)
188{
189    if(ctx->mOverlay) {
190        delete ctx->mOverlay;
191        ctx->mOverlay = NULL;
192    }
193
194    if(ctx->mRotMgr) {
195        delete ctx->mRotMgr;
196        ctx->mRotMgr = NULL;
197    }
198
199    for(int i = 0; i < MAX_DISPLAYS; i++) {
200        if(ctx->mCopyBit[i]) {
201            delete ctx->mCopyBit[i];
202            ctx->mCopyBit[i] = NULL;
203        }
204    }
205
206    if(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd) {
207        close(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd);
208        ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = -1;
209    }
210
211    if(ctx->mExtDisplay) {
212        delete ctx->mExtDisplay;
213        ctx->mExtDisplay = NULL;
214    }
215
216    for(int i = 0; i < MAX_DISPLAYS; i++) {
217        if(ctx->mFBUpdate[i]) {
218            delete ctx->mFBUpdate[i];
219            ctx->mFBUpdate[i] = NULL;
220        }
221        if(ctx->mMDPComp[i]) {
222            delete ctx->mMDPComp[i];
223            ctx->mMDPComp[i] = NULL;
224        }
225        if(ctx->mHwcDebug[i]) {
226            delete ctx->mHwcDebug[i];
227            ctx->mHwcDebug[i] = NULL;
228        }
229    }
230
231
232}
233
234
235void dumpsys_log(android::String8& buf, const char* fmt, ...)
236{
237    va_list varargs;
238    va_start(varargs, fmt);
239    buf.appendFormatV(fmt, varargs);
240    va_end(varargs);
241}
242
243/* Calculates the destination position based on the action safe rectangle */
244void getActionSafePosition(hwc_context_t *ctx, int dpy, uint32_t& x,
245                           uint32_t& y, uint32_t& w, uint32_t& h) {
246
247    // if external supports underscan, do nothing
248    // it will be taken care in the driver
249    if(ctx->mExtDisplay->isCEUnderscanSupported())
250        return;
251
252    float wRatio = 1.0;
253    float hRatio = 1.0;
254    float xRatio = 1.0;
255    float yRatio = 1.0;
256
257    float fbWidth = ctx->dpyAttr[dpy].xres;
258    float fbHeight = ctx->dpyAttr[dpy].yres;
259
260    float asX = 0;
261    float asY = 0;
262    float asW = fbWidth;
263    float asH= fbHeight;
264    char value[PROPERTY_VALUE_MAX];
265
266    // Apply action safe parameters
267    property_get("persist.sys.actionsafe.width", value, "0");
268    int asWidthRatio = atoi(value);
269    property_get("persist.sys.actionsafe.height", value, "0");
270    int asHeightRatio = atoi(value);
271    // based on the action safe ratio, get the Action safe rectangle
272    asW = fbWidth * (1.0f -  asWidthRatio / 100.0f);
273    asH = fbHeight * (1.0f -  asHeightRatio / 100.0f);
274    asX = (fbWidth - asW) / 2;
275    asY = (fbHeight - asH) / 2;
276
277    // calculate the position ratio
278    xRatio = (float)x/fbWidth;
279    yRatio = (float)y/fbHeight;
280    wRatio = (float)w/fbWidth;
281    hRatio = (float)h/fbHeight;
282
283    //Calculate the position...
284    x = (xRatio * asW) + asX;
285    y = (yRatio * asH) + asY;
286    w = (wRatio * asW);
287    h = (hRatio * asH);
288
289    return;
290}
291
292/* Calculates the aspect ratio for external based on the primary */
293void getAspectRatioPosition(hwc_context_t *ctx, int dpy, int orientation,
294                        uint32_t& x, uint32_t& y, uint32_t& w, uint32_t& h) {
295    int fbWidth  = ctx->dpyAttr[dpy].xres;
296    int fbHeight = ctx->dpyAttr[dpy].yres;
297
298    switch(orientation) {
299        case HAL_TRANSFORM_ROT_90:
300        case HAL_TRANSFORM_ROT_270:
301            x = (fbWidth - (ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres
302                        * fbHeight/ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres))/2;
303            y = 0;
304            w = (ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres *
305                    fbHeight/ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres);
306            h = fbHeight;
307            break;
308        default:
309            //Do nothing
310            break;
311     }
312    ALOGD_IF(HWC_UTILS_DEBUG, "%s: Position: x = %d, y = %d w = %d h = %d",
313                    __FUNCTION__, x, y, w ,h);
314}
315
316
317bool needsScaling(hwc_context_t* ctx, hwc_layer_1_t const* layer,
318        const int& dpy) {
319    int dst_w, dst_h, src_w, src_h;
320
321    hwc_rect_t displayFrame  = layer->displayFrame;
322    hwc_rect_t sourceCrop = layer->sourceCrop;
323    trimLayer(ctx, dpy, layer->transform, sourceCrop, displayFrame);
324
325    dst_w = displayFrame.right - displayFrame.left;
326    dst_h = displayFrame.bottom - displayFrame.top;
327    src_w = sourceCrop.right - sourceCrop.left;
328    src_h = sourceCrop.bottom - sourceCrop.top;
329
330    if(((src_w != dst_w) || (src_h != dst_h)))
331        return true;
332
333    return false;
334}
335
336bool isAlphaScaled(hwc_context_t* ctx, hwc_layer_1_t const* layer,
337        const int& dpy) {
338    if(needsScaling(ctx, layer, dpy) && isAlphaPresent(layer)) {
339        return true;
340    }
341    return false;
342}
343
344bool isAlphaPresent(hwc_layer_1_t const* layer) {
345    private_handle_t *hnd = (private_handle_t *)layer->handle;
346    if(hnd) {
347        int format = hnd->format;
348        switch(format) {
349        case HAL_PIXEL_FORMAT_RGBA_8888:
350        case HAL_PIXEL_FORMAT_BGRA_8888:
351            // In any more formats with Alpha go here..
352            return true;
353        default : return false;
354        }
355    }
356    return false;
357}
358
359void setListStats(hwc_context_t *ctx,
360        const hwc_display_contents_1_t *list, int dpy) {
361
362    ctx->listStats[dpy].numAppLayers = list->numHwLayers - 1;
363    ctx->listStats[dpy].fbLayerIndex = list->numHwLayers - 1;
364    ctx->listStats[dpy].skipCount = 0;
365    ctx->listStats[dpy].needsAlphaScale = false;
366    ctx->listStats[dpy].preMultipliedAlpha = false;
367    ctx->listStats[dpy].yuvCount = 0;
368    char property[PROPERTY_VALUE_MAX];
369    ctx->listStats[dpy].extOnlyLayerIndex = -1;
370    ctx->listStats[dpy].isDisplayAnimating = false;
371
372    for (size_t i = 0; i < list->numHwLayers; i++) {
373        hwc_layer_1_t const* layer = &list->hwLayers[i];
374        private_handle_t *hnd = (private_handle_t *)layer->handle;
375
376        //reset stored yuv index
377        ctx->listStats[dpy].yuvIndices[i] = -1;
378
379        if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
380            continue;
381        //We disregard FB being skip for now! so the else if
382        } else if (isSkipLayer(&list->hwLayers[i])) {
383            ctx->listStats[dpy].skipCount++;
384        }
385
386        if (UNLIKELY(isYuvBuffer(hnd))) {
387            int& yuvCount = ctx->listStats[dpy].yuvCount;
388            ctx->listStats[dpy].yuvIndices[yuvCount] = i;
389            yuvCount++;
390
391            if((layer->transform & HWC_TRANSFORM_ROT_90) &&
392                    canUseRotator(ctx)) {
393                if(ctx->mOverlay->isPipeTypeAttached(OV_MDP_PIPE_DMA)) {
394                    ctx->isPaddingRound = true;
395                }
396                Overlay::setDMAMode(Overlay::DMA_BLOCK_MODE);
397            }
398        }
399        if(layer->blending == HWC_BLENDING_PREMULT)
400            ctx->listStats[dpy].preMultipliedAlpha = true;
401
402        if(!ctx->listStats[dpy].needsAlphaScale)
403            ctx->listStats[dpy].needsAlphaScale =
404                    isAlphaScaled(ctx, layer, dpy);
405
406        if(UNLIKELY(isExtOnly(hnd))){
407            ctx->listStats[dpy].extOnlyLayerIndex = i;
408        }
409#ifdef QCOM_BSP
410        if (layer->flags & HWC_SCREENSHOT_ANIMATOR_LAYER) {
411            ctx->listStats[dpy].isDisplayAnimating = true;
412        }
413#endif
414    }
415    if(ctx->listStats[dpy].yuvCount > 0) {
416        if (property_get("hw.cabl.yuv", property, NULL) > 0) {
417            if (atoi(property) != 1) {
418                property_set("hw.cabl.yuv", "1");
419            }
420        }
421    } else {
422        if (property_get("hw.cabl.yuv", property, NULL) > 0) {
423            if (atoi(property) != 0) {
424                property_set("hw.cabl.yuv", "0");
425            }
426        }
427    }
428    if(dpy) {
429        //uncomment the below code for testing purpose.
430        /* char value[PROPERTY_VALUE_MAX];
431        property_get("sys.ext_orientation", value, "0");
432        // Assuming the orientation value is in terms of HAL_TRANSFORM,
433        // This needs mapping to HAL, if its in different convention
434        ctx->mExtOrientation = atoi(value); */
435        // Assuming the orientation value is in terms of HAL_TRANSFORM,
436        // This needs mapping to HAL, if its in different convention
437        if(ctx->mExtOrientation) {
438            ALOGD_IF(HWC_UTILS_DEBUG, "%s: ext orientation = %d",
439                     __FUNCTION__, ctx->mExtOrientation);
440            if(ctx->mOverlay->isPipeTypeAttached(OV_MDP_PIPE_DMA)) {
441                ctx->isPaddingRound = true;
442            }
443            Overlay::setDMAMode(Overlay::DMA_BLOCK_MODE);
444        }
445    }
446}
447
448
449static void calc_cut(float& leftCutRatio, float& topCutRatio,
450        float& rightCutRatio, float& bottomCutRatio, int orient) {
451    if(orient & HAL_TRANSFORM_FLIP_H) {
452        swap(leftCutRatio, rightCutRatio);
453    }
454    if(orient & HAL_TRANSFORM_FLIP_V) {
455        swap(topCutRatio, bottomCutRatio);
456    }
457    if(orient & HAL_TRANSFORM_ROT_90) {
458        //Anti clock swapping
459        float tmpCutRatio = leftCutRatio;
460        leftCutRatio = topCutRatio;
461        topCutRatio = rightCutRatio;
462        rightCutRatio = bottomCutRatio;
463        bottomCutRatio = tmpCutRatio;
464    }
465}
466
467bool isSecuring(hwc_context_t* ctx, hwc_layer_1_t const* layer) {
468    if((ctx->mMDP.version < qdutils::MDSS_V5) &&
469       (ctx->mMDP.version > qdutils::MDP_V3_0) &&
470        ctx->mSecuring) {
471        return true;
472    }
473    if (isSecureModePolicy(ctx->mMDP.version)) {
474        private_handle_t *hnd = (private_handle_t *)layer->handle;
475        if(ctx->mSecureMode) {
476            if (! isSecureBuffer(hnd)) {
477                ALOGD_IF(HWC_UTILS_DEBUG,"%s:Securing Turning ON ...",
478                         __FUNCTION__);
479                return true;
480            }
481        } else {
482            if (isSecureBuffer(hnd)) {
483                ALOGD_IF(HWC_UTILS_DEBUG,"%s:Securing Turning OFF ...",
484                         __FUNCTION__);
485                return true;
486            }
487        }
488    }
489    return false;
490}
491
492bool isSecureModePolicy(int mdpVersion) {
493    if (mdpVersion < qdutils::MDSS_V5)
494        return true;
495    else
496        return false;
497}
498
499//Crops source buffer against destination and FB boundaries
500void calculate_crop_rects(hwc_rect_t& crop, hwc_rect_t& dst,
501                          const hwc_rect_t& scissor, int orient) {
502
503    int& crop_l = crop.left;
504    int& crop_t = crop.top;
505    int& crop_r = crop.right;
506    int& crop_b = crop.bottom;
507    int crop_w = crop.right - crop.left;
508    int crop_h = crop.bottom - crop.top;
509
510    int& dst_l = dst.left;
511    int& dst_t = dst.top;
512    int& dst_r = dst.right;
513    int& dst_b = dst.bottom;
514    int dst_w = abs(dst.right - dst.left);
515    int dst_h = abs(dst.bottom - dst.top);
516
517    const int& sci_l = scissor.left;
518    const int& sci_t = scissor.top;
519    const int& sci_r = scissor.right;
520    const int& sci_b = scissor.bottom;
521    int sci_w = abs(sci_r - sci_l);
522    int sci_h = abs(sci_b - sci_t);
523
524    float leftCutRatio = 0.0f, rightCutRatio = 0.0f, topCutRatio = 0.0f,
525            bottomCutRatio = 0.0f;
526
527    if(dst_l < sci_l) {
528        leftCutRatio = (float)(sci_l - dst_l) / (float)dst_w;
529        dst_l = sci_l;
530    }
531
532    if(dst_r > sci_r) {
533        rightCutRatio = (float)(dst_r - sci_r) / (float)dst_w;
534        dst_r = sci_r;
535    }
536
537    if(dst_t < sci_t) {
538        topCutRatio = (float)(sci_t - dst_t) / (float)dst_h;
539        dst_t = sci_t;
540    }
541
542    if(dst_b > sci_b) {
543        bottomCutRatio = (float)(dst_b - sci_b) / (float)dst_h;
544        dst_b = sci_b;
545    }
546
547    calc_cut(leftCutRatio, topCutRatio, rightCutRatio, bottomCutRatio, orient);
548    crop_l += crop_w * leftCutRatio;
549    crop_t += crop_h * topCutRatio;
550    crop_r -= crop_w * rightCutRatio;
551    crop_b -= crop_h * bottomCutRatio;
552}
553
554void getNonWormholeRegion(hwc_display_contents_1_t* list,
555                              hwc_rect_t& nwr)
556{
557    uint32_t last = list->numHwLayers - 1;
558    hwc_rect_t fbDisplayFrame = list->hwLayers[last].displayFrame;
559    //Initiliaze nwr to first frame
560    nwr.left =  list->hwLayers[0].displayFrame.left;
561    nwr.top =  list->hwLayers[0].displayFrame.top;
562    nwr.right =  list->hwLayers[0].displayFrame.right;
563    nwr.bottom =  list->hwLayers[0].displayFrame.bottom;
564
565    for (uint32_t i = 1; i < last; i++) {
566        hwc_rect_t displayFrame = list->hwLayers[i].displayFrame;
567        nwr.left   = min(nwr.left, displayFrame.left);
568        nwr.top    = min(nwr.top, displayFrame.top);
569        nwr.right  = max(nwr.right, displayFrame.right);
570        nwr.bottom = max(nwr.bottom, displayFrame.bottom);
571    }
572
573    //Intersect with the framebuffer
574    nwr.left   = max(nwr.left, fbDisplayFrame.left);
575    nwr.top    = max(nwr.top, fbDisplayFrame.top);
576    nwr.right  = min(nwr.right, fbDisplayFrame.right);
577    nwr.bottom = min(nwr.bottom, fbDisplayFrame.bottom);
578
579}
580
581bool isExternalActive(hwc_context_t* ctx) {
582    return ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].isActive;
583}
584
585void closeAcquireFds(hwc_display_contents_1_t* list) {
586    for(uint32_t i = 0; list && i < list->numHwLayers; i++) {
587        //Close the acquireFenceFds
588        //HWC_FRAMEBUFFER are -1 already by SF, rest we close.
589        if(list->hwLayers[i].acquireFenceFd >= 0) {
590            close(list->hwLayers[i].acquireFenceFd);
591            list->hwLayers[i].acquireFenceFd = -1;
592        }
593    }
594}
595
596int hwc_sync(hwc_context_t *ctx, hwc_display_contents_1_t* list, int dpy,
597                                                        int fd) {
598    int ret = 0;
599    struct mdp_buf_sync data;
600    int acquireFd[MAX_NUM_LAYERS];
601    int count = 0;
602    int releaseFd = -1;
603    int fbFd = -1;
604    memset(&data, 0, sizeof(data));
605    bool swapzero = false;
606    data.flags = MDP_BUF_SYNC_FLAG_WAIT;
607    data.acq_fen_fd = acquireFd;
608    data.rel_fen_fd = &releaseFd;
609    char property[PROPERTY_VALUE_MAX];
610    if(property_get("debug.egl.swapinterval", property, "1") > 0) {
611        if(atoi(property) == 0)
612            swapzero = true;
613    }
614    bool isExtAnimating = false;
615    if(dpy)
616       isExtAnimating = ctx->listStats[dpy].isDisplayAnimating;
617
618    //Accumulate acquireFenceFds
619    for(uint32_t i = 0; i < list->numHwLayers; i++) {
620        if(list->hwLayers[i].compositionType == HWC_OVERLAY &&
621                        list->hwLayers[i].acquireFenceFd != -1) {
622            if(UNLIKELY(swapzero))
623                acquireFd[count++] = -1;
624            else
625                acquireFd[count++] = list->hwLayers[i].acquireFenceFd;
626        }
627        if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
628            if(UNLIKELY(swapzero))
629                acquireFd[count++] = -1;
630            else if(fd != -1) {
631                //set the acquireFD from fd - which is coming from c2d
632                acquireFd[count++] = fd;
633                // Buffer sync IOCTL should be async when using c2d fence is
634                // used
635                data.flags &= ~MDP_BUF_SYNC_FLAG_WAIT;
636            } else if(list->hwLayers[i].acquireFenceFd != -1)
637                acquireFd[count++] = list->hwLayers[i].acquireFenceFd;
638        }
639    }
640
641    data.acq_fen_fd_cnt = count;
642    fbFd = ctx->dpyAttr[dpy].fd;
643    //Waits for acquire fences, returns a release fence
644    if(LIKELY(!swapzero)) {
645        uint64_t start = systemTime();
646        ret = ioctl(fbFd, MSMFB_BUFFER_SYNC, &data);
647        ALOGD_IF(HWC_UTILS_DEBUG, "%s: time taken for MSMFB_BUFFER_SYNC IOCTL = %d",
648                            __FUNCTION__, (size_t) ns2ms(systemTime() - start));
649    }
650
651    if(ret < 0) {
652        ALOGE("%s: ioctl MSMFB_BUFFER_SYNC failed, err=%s",
653                  __FUNCTION__, strerror(errno));
654        ALOGE("%s: acq_fen_fd_cnt=%d flags=%d fd=%d dpy=%d numHwLayers=%d",
655              __FUNCTION__, data.acq_fen_fd_cnt, data.flags, fbFd,
656              dpy, list->numHwLayers);
657    }
658
659    for(uint32_t i = 0; i < list->numHwLayers; i++) {
660        if(list->hwLayers[i].compositionType == HWC_OVERLAY ||
661           list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
662            //Populate releaseFenceFds.
663            if(UNLIKELY(swapzero))
664                list->hwLayers[i].releaseFenceFd = -1;
665            else if(isExtAnimating) {
666                // Release all the app layer fds immediately,
667                // if animation is in progress.
668                hwc_layer_1_t const* layer = &list->hwLayers[i];
669                private_handle_t *hnd = (private_handle_t *)layer->handle;
670                if(isYuvBuffer(hnd)) {
671                    list->hwLayers[i].releaseFenceFd = dup(releaseFd);
672                } else
673                    list->hwLayers[i].releaseFenceFd = -1;
674            } else
675                list->hwLayers[i].releaseFenceFd = dup(releaseFd);
676        }
677    }
678
679    if(fd >= 0) {
680        close(fd);
681        fd = -1;
682    }
683
684    if (ctx->mCopyBit[dpy])
685        ctx->mCopyBit[dpy]->setReleaseFd(releaseFd);
686    // if external is animating, close the relaseFd
687    if(isExtAnimating) {
688        close(releaseFd);
689        releaseFd = -1;
690    }
691    if(UNLIKELY(swapzero)){
692        list->retireFenceFd = -1;
693        close(releaseFd);
694    } else {
695        list->retireFenceFd = releaseFd;
696    }
697
698    return ret;
699}
700
701void trimLayer(hwc_context_t *ctx, const int& dpy, const int& transform,
702        hwc_rect_t& crop, hwc_rect_t& dst) {
703    int hw_w = ctx->dpyAttr[dpy].xres;
704    int hw_h = ctx->dpyAttr[dpy].yres;
705    if(dst.left < 0 || dst.top < 0 ||
706            dst.right > hw_w || dst.bottom > hw_h) {
707        hwc_rect_t scissor = {0, 0, hw_w, hw_h };
708        qhwc::calculate_crop_rects(crop, dst, scissor, transform);
709    }
710}
711
712void setMdpFlags(hwc_layer_1_t *layer,
713        ovutils::eMdpFlags &mdpFlags,
714        int rotDownscale, int transform) {
715    private_handle_t *hnd = (private_handle_t *)layer->handle;
716    MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
717
718    if(layer->blending == HWC_BLENDING_PREMULT) {
719        ovutils::setMdpFlags(mdpFlags,
720                ovutils::OV_MDP_BLEND_FG_PREMULT);
721    }
722
723    if(isYuvBuffer(hnd)) {
724        if(isSecureBuffer(hnd)) {
725            ovutils::setMdpFlags(mdpFlags,
726                    ovutils::OV_MDP_SECURE_OVERLAY_SESSION);
727        }
728        if(metadata && (metadata->operation & PP_PARAM_INTERLACED) &&
729                metadata->interlaced) {
730            ovutils::setMdpFlags(mdpFlags,
731                    ovutils::OV_MDP_DEINTERLACE);
732        }
733        //Pre-rotation will be used using rotator.
734        if(transform & HWC_TRANSFORM_ROT_90) {
735            ovutils::setMdpFlags(mdpFlags,
736                    ovutils::OV_MDP_SOURCE_ROTATED_90);
737        }
738    }
739
740    //No 90 component and no rot-downscale then flips done by MDP
741    //If we use rot then it might as well do flips
742    if(!(transform & HWC_TRANSFORM_ROT_90) && !rotDownscale) {
743        if(transform & HWC_TRANSFORM_FLIP_H) {
744            ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_FLIP_H);
745        }
746
747        if(transform & HWC_TRANSFORM_FLIP_V) {
748            ovutils::setMdpFlags(mdpFlags,  ovutils::OV_MDP_FLIP_V);
749        }
750    }
751
752    if(metadata &&
753        ((metadata->operation & PP_PARAM_HSIC)
754        || (metadata->operation & PP_PARAM_IGC)
755        || (metadata->operation & PP_PARAM_SHARP2))) {
756        ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_PP_EN);
757    }
758}
759
760int configRotator(Rotator *rot, const Whf& whf,
761        hwc_rect_t& crop, const eMdpFlags& mdpFlags,
762        const eTransform& orient, const int& downscale) {
763
764    rot->setSource(whf);
765
766    if (qdutils::MDPVersion::getInstance().getMDPVersion() >=
767        qdutils::MDSS_V5) {
768        uint32_t crop_w = (crop.right - crop.left);
769        uint32_t crop_h = (crop.bottom - crop.top);
770        if (ovutils::isYuv(whf.format)) {
771            ovutils::normalizeCrop((uint32_t&)crop.left, crop_w);
772            ovutils::normalizeCrop((uint32_t&)crop.top, crop_h);
773            // For interlaced, crop.h should be 4-aligned
774            if ((mdpFlags & ovutils::OV_MDP_DEINTERLACE) && (crop_h % 4))
775                crop_h = ovutils::aligndown(crop_h, 4);
776            crop.right = crop.left + crop_w;
777            crop.bottom = crop.top + crop_h;
778        }
779        Dim rotCrop(crop.left, crop.top, crop_w, crop_h);
780        rot->setCrop(rotCrop);
781    }
782
783    rot->setFlags(mdpFlags);
784    rot->setTransform(orient);
785    rot->setDownscale(downscale);
786    if(!rot->commit()) return -1;
787    return 0;
788}
789
790int configMdp(Overlay *ov, const PipeArgs& parg,
791        const eTransform& orient, const hwc_rect_t& crop,
792        const hwc_rect_t& pos, const MetaData_t *metadata,
793        const eDest& dest) {
794    ov->setSource(parg, dest);
795    ov->setTransform(orient, dest);
796
797    int crop_w = crop.right - crop.left;
798    int crop_h = crop.bottom - crop.top;
799    Dim dcrop(crop.left, crop.top, crop_w, crop_h);
800    ov->setCrop(dcrop, dest);
801
802    int posW = pos.right - pos.left;
803    int posH = pos.bottom - pos.top;
804    Dim position(pos.left, pos.top, posW, posH);
805    ov->setPosition(position, dest);
806
807    if (metadata)
808        ov->setVisualParams(*metadata, dest);
809
810    if (!ov->commit(dest)) {
811        return -1;
812    }
813    return 0;
814}
815
816void updateSource(eTransform& orient, Whf& whf,
817        hwc_rect_t& crop) {
818    Dim srcCrop(crop.left, crop.top,
819            crop.right - crop.left,
820            crop.bottom - crop.top);
821    orient = static_cast<eTransform>(ovutils::getMdpOrient(orient));
822    preRotateSource(orient, whf, srcCrop);
823    if (qdutils::MDPVersion::getInstance().getMDPVersion() >=
824        qdutils::MDSS_V5) {
825        // Source for overlay will be the cropped (and rotated)
826        crop.left = 0;
827        crop.top = 0;
828        crop.right = srcCrop.w;
829        crop.bottom = srcCrop.h;
830        // Set width & height equal to sourceCrop w & h
831        whf.w = srcCrop.w;
832        whf.h = srcCrop.h;
833    } else {
834        crop.left = srcCrop.x;
835        crop.top = srcCrop.y;
836        crop.right = srcCrop.x + srcCrop.w;
837        crop.bottom = srcCrop.y + srcCrop.h;
838    }
839}
840
841int configureLowRes(hwc_context_t *ctx, hwc_layer_1_t *layer,
842        const int& dpy, eMdpFlags& mdpFlags, eZorder& z,
843        eIsFg& isFg, const eDest& dest, Rotator **rot) {
844
845    private_handle_t *hnd = (private_handle_t *)layer->handle;
846    if(!hnd) {
847        ALOGE("%s: layer handle is NULL", __FUNCTION__);
848        return -1;
849    }
850
851    MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
852
853    hwc_rect_t crop = layer->sourceCrop;
854    hwc_rect_t dst = layer->displayFrame;
855    int transform = layer->transform;
856    eTransform orient = static_cast<eTransform>(transform);
857    int downscale = 0;
858    int rotFlags = ovutils::ROT_FLAGS_NONE;
859    Whf whf(hnd->width, hnd->height,
860            getMdpFormat(hnd->format), hnd->size);
861
862    if(dpy && isYuvBuffer(hnd)) {
863        if(!ctx->listStats[dpy].isDisplayAnimating) {
864            ctx->mPrevCropVideo = crop;
865            ctx->mPrevDestVideo = dst;
866            ctx->mPrevTransformVideo = transform;
867        } else {
868            // Restore the previous crop, dest rect and transform values, during
869            // animation to avoid displaying videos at random coordinates.
870            crop = ctx->mPrevCropVideo;
871            dst = ctx->mPrevDestVideo;
872            transform = ctx->mPrevTransformVideo;
873            orient = static_cast<eTransform>(transform);
874            //In you tube use case when a device rotated from landscape to
875            // portrait, set the isFg flag and zOrder to avoid displaying UI on
876            // hdmi during animation
877            if(ctx->deviceOrientation) {
878                isFg = ovutils::IS_FG_SET;
879                z = ZORDER_1;
880            }
881        }
882    }
883
884    uint32_t x = dst.left, y  = dst.right;
885    uint32_t w = dst.right - dst.left;
886    uint32_t h = dst.bottom - dst.top;
887
888    if(dpy && ctx->mExtOrientation) {
889        // Just need to set the position to portrait as the transformation
890        // will already be set to required orientation on TV
891        getAspectRatioPosition(ctx, dpy, ctx->mExtOrientation, x, y, w, h);
892        // Convert position to hwc_rect_t
893        dst.left = x;
894        dst.top = y;
895        dst.right = w + dst.left;
896        dst.bottom = h + dst.top;
897    }
898
899    if(isYuvBuffer(hnd) && ctx->mMDP.version >= qdutils::MDP_V4_2 &&
900       ctx->mMDP.version < qdutils::MDSS_V5) {
901        downscale =  getDownscaleFactor(
902            crop.right - crop.left,
903            crop.bottom - crop.top,
904            dst.right - dst.left,
905            dst.bottom - dst.top);
906        if(downscale) {
907            rotFlags = ROT_DOWNSCALE_ENABLED;
908        }
909    }
910
911    setMdpFlags(layer, mdpFlags, downscale, transform);
912    trimLayer(ctx, dpy, transform, crop, dst);
913
914    if(isYuvBuffer(hnd) && //if 90 component or downscale, use rot
915            ((transform & HWC_TRANSFORM_ROT_90) || downscale)) {
916        *rot = ctx->mRotMgr->getNext();
917        if(*rot == NULL) return -1;
918        BwcPM::setBwc(ctx, crop, dst, transform, mdpFlags);
919        //Configure rotator for pre-rotation
920        if(configRotator(*rot, whf, crop, mdpFlags, orient, downscale) < 0) {
921            ALOGE("%s: configRotator failed!", __FUNCTION__);
922            ctx->mOverlay->clear(dpy);
923            return -1;
924        }
925        whf.format = (*rot)->getDstFormat();
926        updateSource(orient, whf, crop);
927        rotFlags |= ovutils::ROT_PREROTATED;
928    }
929
930    //For the mdp, since either we are pre-rotating or MDP does flips
931    orient = OVERLAY_TRANSFORM_0;
932    transform = 0;
933    PipeArgs parg(mdpFlags, whf, z, isFg, static_cast<eRotFlags>(rotFlags));
934    if(configMdp(ctx->mOverlay, parg, orient, crop, dst, metadata, dest) < 0) {
935        ALOGE("%s: commit failed for low res panel", __FUNCTION__);
936        return -1;
937    }
938    return 0;
939}
940
941int configureHighRes(hwc_context_t *ctx, hwc_layer_1_t *layer,
942        const int& dpy, eMdpFlags& mdpFlagsL, eZorder& z,
943        eIsFg& isFg, const eDest& lDest, const eDest& rDest,
944        Rotator **rot) {
945    private_handle_t *hnd = (private_handle_t *)layer->handle;
946    if(!hnd) {
947        ALOGE("%s: layer handle is NULL", __FUNCTION__);
948        return -1;
949    }
950
951    MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
952
953    int hw_w = ctx->dpyAttr[dpy].xres;
954    int hw_h = ctx->dpyAttr[dpy].yres;
955    hwc_rect_t crop = layer->sourceCrop;
956    hwc_rect_t dst = layer->displayFrame;
957    int transform = layer->transform;
958    eTransform orient = static_cast<eTransform>(transform);
959    const int downscale = 0;
960    int rotFlags = ROT_FLAGS_NONE;
961
962    Whf whf(hnd->width, hnd->height,
963            getMdpFormat(hnd->format), hnd->size);
964
965    if(dpy && isYuvBuffer(hnd)) {
966        if(!ctx->listStats[dpy].isDisplayAnimating) {
967            ctx->mPrevCropVideo = crop;
968            ctx->mPrevDestVideo = dst;
969            ctx->mPrevTransformVideo = transform;
970        } else {
971            // Restore the previous crop, dest rect and transform values, during
972            // animation to avoid displaying videos at random coordinates.
973            crop = ctx->mPrevCropVideo;
974            dst = ctx->mPrevDestVideo;
975            transform = ctx->mPrevTransformVideo;
976            orient = static_cast<eTransform>(transform);
977            //In you tube use case when a device rotated from landscape to
978            // portrait, set the isFg flag and zOrder to avoid displaying UI on
979            // hdmi during animation
980            if(ctx->deviceOrientation) {
981                isFg = ovutils::IS_FG_SET;
982                z = ZORDER_1;
983            }
984        }
985    }
986
987
988    setMdpFlags(layer, mdpFlagsL, 0, transform);
989    trimLayer(ctx, dpy, transform, crop, dst);
990
991    if(isYuvBuffer(hnd) && (transform & HWC_TRANSFORM_ROT_90)) {
992        (*rot) = ctx->mRotMgr->getNext();
993        if((*rot) == NULL) return -1;
994        //Configure rotator for pre-rotation
995        if(configRotator(*rot, whf, crop, mdpFlagsL, orient, downscale) < 0) {
996            ALOGE("%s: configRotator failed!", __FUNCTION__);
997            ctx->mOverlay->clear(dpy);
998            return -1;
999        }
1000        whf.format = (*rot)->getDstFormat();
1001        updateSource(orient, whf, crop);
1002        rotFlags |= ROT_PREROTATED;
1003    }
1004
1005    eMdpFlags mdpFlagsR = mdpFlagsL;
1006    setMdpFlags(mdpFlagsR, OV_MDSS_MDP_RIGHT_MIXER);
1007
1008    hwc_rect_t tmp_cropL, tmp_dstL;
1009    hwc_rect_t tmp_cropR, tmp_dstR;
1010
1011    if(lDest != OV_INVALID) {
1012        tmp_cropL = crop;
1013        tmp_dstL = dst;
1014        hwc_rect_t scissor = {0, 0, hw_w/2, hw_h };
1015        qhwc::calculate_crop_rects(tmp_cropL, tmp_dstL, scissor, 0);
1016    }
1017    if(rDest != OV_INVALID) {
1018        tmp_cropR = crop;
1019        tmp_dstR = dst;
1020        hwc_rect_t scissor = {hw_w/2, 0, hw_w, hw_h };
1021        qhwc::calculate_crop_rects(tmp_cropR, tmp_dstR, scissor, 0);
1022    }
1023
1024    //When buffer is flipped, contents of mixer config also needs to swapped.
1025    //Not needed if the layer is confined to one half of the screen.
1026    //If rotator has been used then it has also done the flips, so ignore them.
1027    if((orient & OVERLAY_TRANSFORM_FLIP_V) && lDest != OV_INVALID
1028            && rDest != OV_INVALID && (*rot) == NULL) {
1029        hwc_rect_t new_cropR;
1030        new_cropR.left = tmp_cropL.left;
1031        new_cropR.right = new_cropR.left + (tmp_cropR.right - tmp_cropR.left);
1032
1033        hwc_rect_t new_cropL;
1034        new_cropL.left  = new_cropR.right;
1035        new_cropL.right = tmp_cropR.right;
1036
1037        tmp_cropL.left =  new_cropL.left;
1038        tmp_cropL.right =  new_cropL.right;
1039
1040        tmp_cropR.left = new_cropR.left;
1041        tmp_cropR.right =  new_cropR.right;
1042
1043    }
1044
1045    //For the mdp, since either we are pre-rotating or MDP does flips
1046    orient = OVERLAY_TRANSFORM_0;
1047    transform = 0;
1048
1049    //configure left mixer
1050    if(lDest != OV_INVALID) {
1051        PipeArgs pargL(mdpFlagsL, whf, z, isFg,
1052                static_cast<eRotFlags>(rotFlags));
1053        if(configMdp(ctx->mOverlay, pargL, orient,
1054                tmp_cropL, tmp_dstL, metadata, lDest) < 0) {
1055            ALOGE("%s: commit failed for left mixer config", __FUNCTION__);
1056            return -1;
1057        }
1058    }
1059
1060    //configure right mixer
1061    if(rDest != OV_INVALID) {
1062        PipeArgs pargR(mdpFlagsR, whf, z, isFg,
1063                static_cast<eRotFlags>(rotFlags));
1064        tmp_dstR.right = tmp_dstR.right - hw_w/2;
1065        tmp_dstR.left = tmp_dstR.left - hw_w/2;
1066        if(configMdp(ctx->mOverlay, pargR, orient,
1067                tmp_cropR, tmp_dstR, metadata, rDest) < 0) {
1068            ALOGE("%s: commit failed for right mixer config", __FUNCTION__);
1069            return -1;
1070        }
1071    }
1072
1073    return 0;
1074}
1075
1076bool canUseRotator(hwc_context_t *ctx) {
1077    if(qdutils::MDPVersion::getInstance().is8x26() &&
1078            ctx->mExtDisplay->isExternalConnected()) {
1079        return false;
1080    }
1081    if(ctx->mMDP.version == qdutils::MDP_V3_0_4)
1082        return false;
1083    return true;
1084}
1085
1086
1087void BwcPM::setBwc(hwc_context_t *ctx, const hwc_rect_t& crop,
1088            const hwc_rect_t& dst, const int& transform,
1089            ovutils::eMdpFlags& mdpFlags) {
1090    //Target doesnt support Bwc
1091    if(!qdutils::MDPVersion::getInstance().supportsBWC()) {
1092        return;
1093    }
1094    //src width > MAX mixer supported dim
1095    if((crop.right - crop.left) > qdutils::MAX_DISPLAY_DIM) {
1096        return;
1097    }
1098    //External connected
1099    if(ctx->mExtDisplay->isExternalConnected()) {
1100        return;
1101    }
1102    //Decimation necessary, cannot use BWC. H/W requirement.
1103    if(qdutils::MDPVersion::getInstance().supportsDecimation()) {
1104        int src_w = crop.right - crop.left;
1105        int src_h = crop.bottom - crop.top;
1106        int dst_w = dst.right - dst.left;
1107        int dst_h = dst.bottom - dst.top;
1108        if(transform & HAL_TRANSFORM_ROT_90) {
1109            swap(src_w, src_h);
1110        }
1111        float horDscale = 0.0f;
1112        float verDscale = 0.0f;
1113        int horzDeci = 0;
1114        int vertDeci = 0;
1115        ovutils::getDecimationFactor(src_w, src_h, dst_w, dst_h, horDscale,
1116                verDscale);
1117        //TODO Use log2f once math.h has it
1118        if((int)horDscale)
1119            horzDeci = (int)(log(horDscale) / log(2));
1120        if((int)verDscale)
1121            vertDeci = (int)(log(verDscale) / log(2));
1122        if(horzDeci || vertDeci) return;
1123    }
1124    //Property
1125    char value[PROPERTY_VALUE_MAX];
1126    property_get("debug.disable.bwc", value, "0");
1127     if(atoi(value)) return;
1128
1129    ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDSS_MDP_BWC_EN);
1130}
1131
1132};//namespace qhwc
1133