hwc_utils.cpp revision d9381b134ed518570554296fbfab8fd1175ecdb8
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 <linux/fb.h>
23#include <binder/IServiceManager.h>
24#include <EGL/egl.h>
25#include <cutils/properties.h>
26#include <gralloc_priv.h>
27#include <overlay.h>
28#include <overlayRotator.h>
29#include "hwc_utils.h"
30#include "hwc_mdpcomp.h"
31#include "hwc_fbupdate.h"
32#include "mdp_version.h"
33#include "hwc_copybit.h"
34#include "hwc_dump_layers.h"
35#include "external.h"
36#include "hwc_qclient.h"
37#include "QService.h"
38#include "comptype.h"
39
40using namespace qClient;
41using namespace qService;
42using namespace android;
43using namespace overlay;
44using namespace overlay::utils;
45namespace ovutils = overlay::utils;
46
47namespace qhwc {
48
49static int openFramebufferDevice(hwc_context_t *ctx)
50{
51    struct fb_fix_screeninfo finfo;
52    struct fb_var_screeninfo info;
53
54    int fb_fd = openFb(HWC_DISPLAY_PRIMARY);
55    if(fb_fd < 0) {
56        ALOGE("%s: Error Opening FB : %s", __FUNCTION__, strerror(errno));
57        return -errno;
58    }
59
60    if (ioctl(fb_fd, FBIOGET_VSCREENINFO, &info) == -1) {
61        ALOGE("%s:Error in ioctl FBIOGET_VSCREENINFO: %s", __FUNCTION__,
62                                                       strerror(errno));
63        close(fb_fd);
64        return -errno;
65    }
66
67    if (int(info.width) <= 0 || int(info.height) <= 0) {
68        // the driver doesn't return that information
69        // default to 160 dpi
70        info.width  = ((info.xres * 25.4f)/160.0f + 0.5f);
71        info.height = ((info.yres * 25.4f)/160.0f + 0.5f);
72    }
73
74    float xdpi = (info.xres * 25.4f) / info.width;
75    float ydpi = (info.yres * 25.4f) / info.height;
76
77#ifdef MSMFB_METADATA_GET
78    struct msmfb_metadata metadata;
79    memset(&metadata, 0 , sizeof(metadata));
80    metadata.op = metadata_op_frame_rate;
81
82    if (ioctl(fb_fd, MSMFB_METADATA_GET, &metadata) == -1) {
83        ALOGE("%s:Error retrieving panel frame rate: %s", __FUNCTION__,
84                                                      strerror(errno));
85        close(fb_fd);
86        return -errno;
87    }
88
89    float fps  = metadata.data.panel_frame_rate;
90#else
91    //XXX: Remove reserved field usage on all baselines
92    //The reserved[3] field is used to store FPS by the driver.
93    float fps  = info.reserved[3] & 0xFF;
94#endif
95
96    if (ioctl(fb_fd, FBIOGET_FSCREENINFO, &finfo) == -1) {
97        ALOGE("%s:Error in ioctl FBIOGET_FSCREENINFO: %s", __FUNCTION__,
98                                                       strerror(errno));
99        close(fb_fd);
100        return -errno;
101    }
102
103    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = fb_fd;
104    //xres, yres may not be 32 aligned
105    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].stride = finfo.line_length /(info.xres/8);
106    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres = info.xres;
107    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres = info.yres;
108    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xdpi = xdpi;
109    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].ydpi = ydpi;
110    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].vsync_period = 1000000000l / fps;
111
112    //Unblank primary on first boot
113    if(ioctl(fb_fd, FBIOBLANK,FB_BLANK_UNBLANK) < 0) {
114        ALOGE("%s: Failed to unblank display", __FUNCTION__);
115        return -errno;
116    }
117    ctx->dpyAttr[HWC_DISPLAY_PRIMARY].isActive = true;
118
119    return 0;
120}
121
122void initContext(hwc_context_t *ctx)
123{
124    openFramebufferDevice(ctx);
125    ctx->mMDP.version = qdutils::MDPVersion::getInstance().getMDPVersion();
126    ctx->mMDP.hasOverlay = qdutils::MDPVersion::getInstance().hasOverlay();
127    ctx->mMDP.panel = qdutils::MDPVersion::getInstance().getPanelType();
128    overlay::Overlay::initOverlay();
129    ctx->mOverlay = overlay::Overlay::getInstance();
130    ctx->mRotMgr = new RotMgr();
131
132    //Is created and destroyed only once for primary
133    //For external it could get created and destroyed multiple times depending
134    //on what external we connect to.
135    ctx->mFBUpdate[HWC_DISPLAY_PRIMARY] =
136        IFBUpdate::getObject(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres,
137        HWC_DISPLAY_PRIMARY);
138
139    // Check if the target supports copybit compostion (dyn/mdp/c2d) to
140    // decide if we need to open the copybit module.
141    int compositionType =
142        qdutils::QCCompositionType::getInstance().getCompositionType();
143
144    if (compositionType & (qdutils::COMPOSITION_TYPE_DYN |
145                           qdutils::COMPOSITION_TYPE_MDP |
146                           qdutils::COMPOSITION_TYPE_C2D)) {
147            ctx->mCopyBit[HWC_DISPLAY_PRIMARY] = new CopyBit();
148    }
149
150    ctx->mExtDisplay = new ExternalDisplay(ctx);
151
152    ctx->mMDPComp[HWC_DISPLAY_PRIMARY] =
153         MDPComp::getObject(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres,
154         HWC_DISPLAY_PRIMARY);
155
156    for (uint32_t i = 0; i < MAX_DISPLAYS; i++) {
157        ctx->mHwcDebug[i] = new HwcDebug(i);
158    }
159    MDPComp::init(ctx);
160
161    ctx->vstate.enable = false;
162    ctx->vstate.fakevsync = false;
163    ctx->mExtDispConfiguring = false;
164    ctx->mExtOrientation = 0;
165
166    //Right now hwc starts the service but anybody could do it, or it could be
167    //independent process as well.
168    QService::init();
169    sp<IQClient> client = new QClient(ctx);
170    interface_cast<IQService>(
171            defaultServiceManager()->getService(
172            String16("display.qservice")))->connect(client);
173
174    // Initialize "No animation on external display" related  parameters.
175    ctx->deviceOrientation = 0;
176    ctx->mPrevCropVideo.left = ctx->mPrevCropVideo.top =
177        ctx->mPrevCropVideo.right = ctx->mPrevCropVideo.bottom = 0;
178    ctx->mPrevDestVideo.left = ctx->mPrevDestVideo.top =
179        ctx->mPrevDestVideo.right = ctx->mPrevDestVideo.bottom = 0;
180    ctx->mPrevTransformVideo = 0;
181
182    ALOGI("Initializing Qualcomm Hardware Composer");
183    ALOGI("MDP version: %d", ctx->mMDP.version);
184}
185
186void closeContext(hwc_context_t *ctx)
187{
188    if(ctx->mOverlay) {
189        delete ctx->mOverlay;
190        ctx->mOverlay = NULL;
191    }
192
193    if(ctx->mRotMgr) {
194        delete ctx->mRotMgr;
195        ctx->mRotMgr = NULL;
196    }
197
198    for(int i = 0; i < MAX_DISPLAYS; i++) {
199        if(ctx->mCopyBit[i]) {
200            delete ctx->mCopyBit[i];
201            ctx->mCopyBit[i] = NULL;
202        }
203    }
204
205    if(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd) {
206        close(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd);
207        ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = -1;
208    }
209
210    if(ctx->mExtDisplay) {
211        delete ctx->mExtDisplay;
212        ctx->mExtDisplay = NULL;
213    }
214
215    for(int i = 0; i < MAX_DISPLAYS; i++) {
216        if(ctx->mFBUpdate[i]) {
217            delete ctx->mFBUpdate[i];
218            ctx->mFBUpdate[i] = NULL;
219        }
220        if(ctx->mMDPComp[i]) {
221            delete ctx->mMDPComp[i];
222            ctx->mMDPComp[i] = NULL;
223        }
224        if(ctx->mHwcDebug[i]) {
225            delete ctx->mHwcDebug[i];
226            ctx->mHwcDebug[i] = NULL;
227        }
228    }
229
230
231}
232
233
234void dumpsys_log(android::String8& buf, const char* fmt, ...)
235{
236    va_list varargs;
237    va_start(varargs, fmt);
238    buf.appendFormatV(fmt, varargs);
239    va_end(varargs);
240}
241
242/* Calculates the destination position based on the action safe rectangle */
243void getActionSafePosition(hwc_context_t *ctx, int dpy, uint32_t& x,
244                           uint32_t& y, uint32_t& w, uint32_t& h) {
245
246    // if external supports underscan, do nothing
247    // it will be taken care in the driver
248    if(ctx->mExtDisplay->isCEUnderscanSupported())
249        return;
250
251    float wRatio = 1.0;
252    float hRatio = 1.0;
253    float xRatio = 1.0;
254    float yRatio = 1.0;
255
256    float fbWidth = ctx->dpyAttr[dpy].xres;
257    float fbHeight = ctx->dpyAttr[dpy].yres;
258
259    float asX = 0;
260    float asY = 0;
261    float asW = fbWidth;
262    float asH= fbHeight;
263    char value[PROPERTY_VALUE_MAX];
264
265    // Apply action safe parameters
266    property_get("persist.sys.actionsafe.width", value, "0");
267    int asWidthRatio = atoi(value);
268    property_get("persist.sys.actionsafe.height", value, "0");
269    int asHeightRatio = atoi(value);
270    // based on the action safe ratio, get the Action safe rectangle
271    asW = fbWidth * (1.0f -  asWidthRatio / 100.0f);
272    asH = fbHeight * (1.0f -  asHeightRatio / 100.0f);
273    asX = (fbWidth - asW) / 2;
274    asY = (fbHeight - asH) / 2;
275
276    // calculate the position ratio
277    xRatio = (float)x/fbWidth;
278    yRatio = (float)y/fbHeight;
279    wRatio = (float)w/fbWidth;
280    hRatio = (float)h/fbHeight;
281
282    //Calculate the position...
283    x = (xRatio * asW) + asX;
284    y = (yRatio * asH) + asY;
285    w = (wRatio * asW);
286    h = (hRatio * asH);
287
288    return;
289}
290
291/* Calculates the aspect ratio for external based on the primary */
292void getAspectRatioPosition(hwc_context_t *ctx, int dpy, int orientation,
293                        uint32_t& x, uint32_t& y, uint32_t& w, uint32_t& h) {
294    int fbWidth  = ctx->dpyAttr[dpy].xres;
295    int fbHeight = ctx->dpyAttr[dpy].yres;
296
297    switch(orientation) {
298        case HAL_TRANSFORM_ROT_90:
299        case HAL_TRANSFORM_ROT_270:
300            x = (fbWidth - (ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres
301                        * fbHeight/ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres))/2;
302            y = 0;
303            w = (ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres *
304                    fbHeight/ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres);
305            h = fbHeight;
306            break;
307        default:
308            //Do nothing
309            break;
310     }
311    ALOGD_IF(HWC_UTILS_DEBUG, "%s: Position: x = %d, y = %d w = %d h = %d",
312                    __FUNCTION__, x, y, w ,h);
313}
314
315
316bool needsScaling(hwc_context_t* ctx, hwc_layer_1_t const* layer,
317        const int& dpy) {
318    int dst_w, dst_h, src_w, src_h;
319
320    hwc_rect_t displayFrame  = layer->displayFrame;
321    hwc_rect_t sourceCrop = layer->sourceCrop;
322    trimLayer(ctx, dpy, layer->transform, sourceCrop, displayFrame);
323
324    dst_w = displayFrame.right - displayFrame.left;
325    dst_h = displayFrame.bottom - displayFrame.top;
326    src_w = sourceCrop.right - sourceCrop.left;
327    src_h = sourceCrop.bottom - sourceCrop.top;
328
329    if(((src_w != dst_w) || (src_h != dst_h)))
330        return true;
331
332    return false;
333}
334
335bool isAlphaScaled(hwc_context_t* ctx, hwc_layer_1_t const* layer,
336        const int& dpy) {
337    if(needsScaling(ctx, layer, dpy) && isAlphaPresent(layer)) {
338        return true;
339    }
340    return false;
341}
342
343bool isAlphaPresent(hwc_layer_1_t const* layer) {
344    private_handle_t *hnd = (private_handle_t *)layer->handle;
345    if(hnd) {
346        int format = hnd->format;
347        switch(format) {
348        case HAL_PIXEL_FORMAT_RGBA_8888:
349        case HAL_PIXEL_FORMAT_BGRA_8888:
350            // In any more formats with Alpha go here..
351            return true;
352        default : return false;
353        }
354    }
355    return false;
356}
357
358void setListStats(hwc_context_t *ctx,
359        const hwc_display_contents_1_t *list, int dpy) {
360
361    ctx->listStats[dpy].numAppLayers = list->numHwLayers - 1;
362    ctx->listStats[dpy].fbLayerIndex = list->numHwLayers - 1;
363    ctx->listStats[dpy].skipCount = 0;
364    ctx->listStats[dpy].needsAlphaScale = false;
365    ctx->listStats[dpy].preMultipliedAlpha = false;
366    ctx->listStats[dpy].yuvCount = 0;
367    char property[PROPERTY_VALUE_MAX];
368    ctx->listStats[dpy].extOnlyLayerIndex = -1;
369    ctx->listStats[dpy].isDisplayAnimating = false;
370
371    //reset yuv indices
372    memset(ctx->listStats[dpy].yuvIndices, -1, MAX_NUM_APP_LAYERS);
373
374    for (size_t i = 0; i < (list->numHwLayers - 1); i++) {
375        hwc_layer_1_t const* layer = &list->hwLayers[i];
376        private_handle_t *hnd = (private_handle_t *)layer->handle;
377
378#ifdef QCOM_BSP
379        if (layer->flags & HWC_SCREENSHOT_ANIMATOR_LAYER) {
380            ctx->listStats[dpy].isDisplayAnimating = true;
381        }
382#endif
383        // continue if i reaches MAX_NUM_APP_LAYERS
384        if(i >= MAX_NUM_APP_LAYERS)
385            continue;
386
387        if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
388            continue;
389        //We disregard FB being skip for now! so the else if
390        } else if (isSkipLayer(&list->hwLayers[i])) {
391            ctx->listStats[dpy].skipCount++;
392        }
393
394        if (UNLIKELY(isYuvBuffer(hnd))) {
395            int& yuvCount = ctx->listStats[dpy].yuvCount;
396            ctx->listStats[dpy].yuvIndices[yuvCount] = i;
397            yuvCount++;
398
399            if((layer->transform & HWC_TRANSFORM_ROT_90) &&
400                    canUseRotator(ctx)) {
401                if(ctx->mOverlay->isPipeTypeAttached(OV_MDP_PIPE_DMA)) {
402                    ctx->isPaddingRound = true;
403                }
404                Overlay::setDMAMode(Overlay::DMA_BLOCK_MODE);
405            }
406        }
407        if(layer->blending == HWC_BLENDING_PREMULT)
408            ctx->listStats[dpy].preMultipliedAlpha = true;
409
410        if(!ctx->listStats[dpy].needsAlphaScale)
411            ctx->listStats[dpy].needsAlphaScale =
412                    isAlphaScaled(ctx, layer, dpy);
413
414        if(UNLIKELY(isExtOnly(hnd))){
415            ctx->listStats[dpy].extOnlyLayerIndex = i;
416        }
417    }
418    if(ctx->listStats[dpy].yuvCount > 0) {
419        if (property_get("hw.cabl.yuv", property, NULL) > 0) {
420            if (atoi(property) != 1) {
421                property_set("hw.cabl.yuv", "1");
422            }
423        }
424    } else {
425        if (property_get("hw.cabl.yuv", property, NULL) > 0) {
426            if (atoi(property) != 0) {
427                property_set("hw.cabl.yuv", "0");
428            }
429        }
430    }
431    if(dpy) {
432        //uncomment the below code for testing purpose.
433        /* char value[PROPERTY_VALUE_MAX];
434        property_get("sys.ext_orientation", value, "0");
435        // Assuming the orientation value is in terms of HAL_TRANSFORM,
436        // This needs mapping to HAL, if its in different convention
437        ctx->mExtOrientation = atoi(value); */
438        // Assuming the orientation value is in terms of HAL_TRANSFORM,
439        // This needs mapping to HAL, if its in different convention
440        if(ctx->mExtOrientation) {
441            ALOGD_IF(HWC_UTILS_DEBUG, "%s: ext orientation = %d",
442                     __FUNCTION__, ctx->mExtOrientation);
443            if(ctx->mOverlay->isPipeTypeAttached(OV_MDP_PIPE_DMA)) {
444                ctx->isPaddingRound = true;
445            }
446            Overlay::setDMAMode(Overlay::DMA_BLOCK_MODE);
447        }
448    }
449}
450
451
452static void calc_cut(float& leftCutRatio, float& topCutRatio,
453        float& rightCutRatio, float& bottomCutRatio, int orient) {
454    if(orient & HAL_TRANSFORM_FLIP_H) {
455        swap(leftCutRatio, rightCutRatio);
456    }
457    if(orient & HAL_TRANSFORM_FLIP_V) {
458        swap(topCutRatio, bottomCutRatio);
459    }
460    if(orient & HAL_TRANSFORM_ROT_90) {
461        //Anti clock swapping
462        float tmpCutRatio = leftCutRatio;
463        leftCutRatio = topCutRatio;
464        topCutRatio = rightCutRatio;
465        rightCutRatio = bottomCutRatio;
466        bottomCutRatio = tmpCutRatio;
467    }
468}
469
470bool isSecuring(hwc_context_t* ctx, hwc_layer_1_t const* layer) {
471    if((ctx->mMDP.version < qdutils::MDSS_V5) &&
472       (ctx->mMDP.version > qdutils::MDP_V3_0) &&
473        ctx->mSecuring) {
474        return true;
475    }
476    if (isSecureModePolicy(ctx->mMDP.version)) {
477        private_handle_t *hnd = (private_handle_t *)layer->handle;
478        if(ctx->mSecureMode) {
479            if (! isSecureBuffer(hnd)) {
480                ALOGD_IF(HWC_UTILS_DEBUG,"%s:Securing Turning ON ...",
481                         __FUNCTION__);
482                return true;
483            }
484        } else {
485            if (isSecureBuffer(hnd)) {
486                ALOGD_IF(HWC_UTILS_DEBUG,"%s:Securing Turning OFF ...",
487                         __FUNCTION__);
488                return true;
489            }
490        }
491    }
492    return false;
493}
494
495bool isSecureModePolicy(int mdpVersion) {
496    if (mdpVersion < qdutils::MDSS_V5)
497        return true;
498    else
499        return false;
500}
501
502//Crops source buffer against destination and FB boundaries
503void calculate_crop_rects(hwc_rect_t& crop, hwc_rect_t& dst,
504                          const hwc_rect_t& scissor, int orient) {
505
506    int& crop_l = crop.left;
507    int& crop_t = crop.top;
508    int& crop_r = crop.right;
509    int& crop_b = crop.bottom;
510    int crop_w = crop.right - crop.left;
511    int crop_h = crop.bottom - crop.top;
512
513    int& dst_l = dst.left;
514    int& dst_t = dst.top;
515    int& dst_r = dst.right;
516    int& dst_b = dst.bottom;
517    int dst_w = abs(dst.right - dst.left);
518    int dst_h = abs(dst.bottom - dst.top);
519
520    const int& sci_l = scissor.left;
521    const int& sci_t = scissor.top;
522    const int& sci_r = scissor.right;
523    const int& sci_b = scissor.bottom;
524    int sci_w = abs(sci_r - sci_l);
525    int sci_h = abs(sci_b - sci_t);
526
527    float leftCutRatio = 0.0f, rightCutRatio = 0.0f, topCutRatio = 0.0f,
528            bottomCutRatio = 0.0f;
529
530    if(dst_l < sci_l) {
531        leftCutRatio = (float)(sci_l - dst_l) / (float)dst_w;
532        dst_l = sci_l;
533    }
534
535    if(dst_r > sci_r) {
536        rightCutRatio = (float)(dst_r - sci_r) / (float)dst_w;
537        dst_r = sci_r;
538    }
539
540    if(dst_t < sci_t) {
541        topCutRatio = (float)(sci_t - dst_t) / (float)dst_h;
542        dst_t = sci_t;
543    }
544
545    if(dst_b > sci_b) {
546        bottomCutRatio = (float)(dst_b - sci_b) / (float)dst_h;
547        dst_b = sci_b;
548    }
549
550    calc_cut(leftCutRatio, topCutRatio, rightCutRatio, bottomCutRatio, orient);
551    crop_l += crop_w * leftCutRatio;
552    crop_t += crop_h * topCutRatio;
553    crop_r -= crop_w * rightCutRatio;
554    crop_b -= crop_h * bottomCutRatio;
555}
556
557void getNonWormholeRegion(hwc_display_contents_1_t* list,
558                              hwc_rect_t& nwr)
559{
560    uint32_t last = list->numHwLayers - 1;
561    hwc_rect_t fbDisplayFrame = list->hwLayers[last].displayFrame;
562    //Initiliaze nwr to first frame
563    nwr.left =  list->hwLayers[0].displayFrame.left;
564    nwr.top =  list->hwLayers[0].displayFrame.top;
565    nwr.right =  list->hwLayers[0].displayFrame.right;
566    nwr.bottom =  list->hwLayers[0].displayFrame.bottom;
567
568    for (uint32_t i = 1; i < last; i++) {
569        hwc_rect_t displayFrame = list->hwLayers[i].displayFrame;
570        nwr.left   = min(nwr.left, displayFrame.left);
571        nwr.top    = min(nwr.top, displayFrame.top);
572        nwr.right  = max(nwr.right, displayFrame.right);
573        nwr.bottom = max(nwr.bottom, displayFrame.bottom);
574    }
575
576    //Intersect with the framebuffer
577    nwr.left   = max(nwr.left, fbDisplayFrame.left);
578    nwr.top    = max(nwr.top, fbDisplayFrame.top);
579    nwr.right  = min(nwr.right, fbDisplayFrame.right);
580    nwr.bottom = min(nwr.bottom, fbDisplayFrame.bottom);
581
582}
583
584bool isExternalActive(hwc_context_t* ctx) {
585    return ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].isActive;
586}
587
588void closeAcquireFds(hwc_display_contents_1_t* list) {
589    for(uint32_t i = 0; list && i < list->numHwLayers; i++) {
590        //Close the acquireFenceFds
591        //HWC_FRAMEBUFFER are -1 already by SF, rest we close.
592        if(list->hwLayers[i].acquireFenceFd >= 0) {
593            close(list->hwLayers[i].acquireFenceFd);
594            list->hwLayers[i].acquireFenceFd = -1;
595        }
596    }
597}
598
599int hwc_sync(hwc_context_t *ctx, hwc_display_contents_1_t* list, int dpy,
600                                                        int fd) {
601    int ret = 0;
602    struct mdp_buf_sync data;
603    int acquireFd[MAX_NUM_APP_LAYERS];
604    int count = 0;
605    int releaseFd = -1;
606    int fbFd = -1;
607    memset(&data, 0, sizeof(data));
608    bool swapzero = false;
609    data.flags = MDP_BUF_SYNC_FLAG_WAIT;
610    data.acq_fen_fd = acquireFd;
611    data.rel_fen_fd = &releaseFd;
612    char property[PROPERTY_VALUE_MAX];
613    if(property_get("debug.egl.swapinterval", property, "1") > 0) {
614        if(atoi(property) == 0)
615            swapzero = true;
616    }
617    bool isExtAnimating = false;
618    if(dpy)
619       isExtAnimating = ctx->listStats[dpy].isDisplayAnimating;
620
621    //Accumulate acquireFenceFds
622    for(uint32_t i = 0; i < list->numHwLayers; i++) {
623        if(list->hwLayers[i].compositionType == HWC_OVERLAY &&
624                        list->hwLayers[i].acquireFenceFd != -1) {
625            if(UNLIKELY(swapzero))
626                acquireFd[count++] = -1;
627            else
628                acquireFd[count++] = list->hwLayers[i].acquireFenceFd;
629        }
630        if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
631            if(UNLIKELY(swapzero))
632                acquireFd[count++] = -1;
633            else if(fd != -1) {
634                //set the acquireFD from fd - which is coming from c2d
635                acquireFd[count++] = fd;
636                // Buffer sync IOCTL should be async when using c2d fence is
637                // used
638                data.flags &= ~MDP_BUF_SYNC_FLAG_WAIT;
639            } else if(list->hwLayers[i].acquireFenceFd != -1)
640                acquireFd[count++] = list->hwLayers[i].acquireFenceFd;
641        }
642    }
643
644    data.acq_fen_fd_cnt = count;
645    fbFd = ctx->dpyAttr[dpy].fd;
646    //Waits for acquire fences, returns a release fence
647    if(LIKELY(!swapzero)) {
648        uint64_t start = systemTime();
649        ret = ioctl(fbFd, MSMFB_BUFFER_SYNC, &data);
650        ALOGD_IF(HWC_UTILS_DEBUG, "%s: time taken for MSMFB_BUFFER_SYNC IOCTL = %d",
651                            __FUNCTION__, (size_t) ns2ms(systemTime() - start));
652    }
653
654    if(ret < 0) {
655        ALOGE("%s: ioctl MSMFB_BUFFER_SYNC failed, err=%s",
656                  __FUNCTION__, strerror(errno));
657        ALOGE("%s: acq_fen_fd_cnt=%d flags=%d fd=%d dpy=%d numHwLayers=%d",
658              __FUNCTION__, data.acq_fen_fd_cnt, data.flags, fbFd,
659              dpy, list->numHwLayers);
660    }
661
662    for(uint32_t i = 0; i < list->numHwLayers; i++) {
663        if(list->hwLayers[i].compositionType == HWC_OVERLAY ||
664           list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
665            //Populate releaseFenceFds.
666            if(UNLIKELY(swapzero))
667                list->hwLayers[i].releaseFenceFd = -1;
668            else if(isExtAnimating) {
669                // Release all the app layer fds immediately,
670                // if animation is in progress.
671                hwc_layer_1_t const* layer = &list->hwLayers[i];
672                private_handle_t *hnd = (private_handle_t *)layer->handle;
673                if(isYuvBuffer(hnd)) {
674                    list->hwLayers[i].releaseFenceFd = dup(releaseFd);
675                } else
676                    list->hwLayers[i].releaseFenceFd = -1;
677            } else
678                list->hwLayers[i].releaseFenceFd = dup(releaseFd);
679        }
680    }
681
682    if(fd >= 0) {
683        close(fd);
684        fd = -1;
685    }
686
687    if (ctx->mCopyBit[dpy])
688        ctx->mCopyBit[dpy]->setReleaseFd(releaseFd);
689    // if external is animating, close the relaseFd
690    if(isExtAnimating) {
691        close(releaseFd);
692        releaseFd = -1;
693    }
694    if(UNLIKELY(swapzero)){
695        list->retireFenceFd = -1;
696        close(releaseFd);
697    } else {
698        list->retireFenceFd = releaseFd;
699    }
700
701    return ret;
702}
703
704void trimLayer(hwc_context_t *ctx, const int& dpy, const int& transform,
705        hwc_rect_t& crop, hwc_rect_t& dst) {
706    int hw_w = ctx->dpyAttr[dpy].xres;
707    int hw_h = ctx->dpyAttr[dpy].yres;
708    if(dst.left < 0 || dst.top < 0 ||
709            dst.right > hw_w || dst.bottom > hw_h) {
710        hwc_rect_t scissor = {0, 0, hw_w, hw_h };
711        qhwc::calculate_crop_rects(crop, dst, scissor, transform);
712    }
713}
714
715void setMdpFlags(hwc_layer_1_t *layer,
716        ovutils::eMdpFlags &mdpFlags,
717        int rotDownscale, int transform) {
718    private_handle_t *hnd = (private_handle_t *)layer->handle;
719    MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
720
721    if(layer->blending == HWC_BLENDING_PREMULT) {
722        ovutils::setMdpFlags(mdpFlags,
723                ovutils::OV_MDP_BLEND_FG_PREMULT);
724    }
725
726    if(isYuvBuffer(hnd)) {
727        if(isSecureBuffer(hnd)) {
728            ovutils::setMdpFlags(mdpFlags,
729                    ovutils::OV_MDP_SECURE_OVERLAY_SESSION);
730        }
731        if(metadata && (metadata->operation & PP_PARAM_INTERLACED) &&
732                metadata->interlaced) {
733            ovutils::setMdpFlags(mdpFlags,
734                    ovutils::OV_MDP_DEINTERLACE);
735        }
736        //Pre-rotation will be used using rotator.
737        if(transform & HWC_TRANSFORM_ROT_90) {
738            ovutils::setMdpFlags(mdpFlags,
739                    ovutils::OV_MDP_SOURCE_ROTATED_90);
740        }
741    }
742
743    //No 90 component and no rot-downscale then flips done by MDP
744    //If we use rot then it might as well do flips
745    if(!(transform & HWC_TRANSFORM_ROT_90) && !rotDownscale) {
746        if(transform & HWC_TRANSFORM_FLIP_H) {
747            ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_FLIP_H);
748        }
749
750        if(transform & HWC_TRANSFORM_FLIP_V) {
751            ovutils::setMdpFlags(mdpFlags,  ovutils::OV_MDP_FLIP_V);
752        }
753    }
754
755    if(metadata &&
756        ((metadata->operation & PP_PARAM_HSIC)
757        || (metadata->operation & PP_PARAM_IGC)
758        || (metadata->operation & PP_PARAM_SHARP2))) {
759        ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_PP_EN);
760    }
761}
762
763int configRotator(Rotator *rot, const Whf& whf,
764        hwc_rect_t& crop, const eMdpFlags& mdpFlags,
765        const eTransform& orient, const int& downscale) {
766
767    rot->setSource(whf);
768
769    if (qdutils::MDPVersion::getInstance().getMDPVersion() >=
770        qdutils::MDSS_V5) {
771        uint32_t crop_w = (crop.right - crop.left);
772        uint32_t crop_h = (crop.bottom - crop.top);
773        if (ovutils::isYuv(whf.format)) {
774            ovutils::normalizeCrop((uint32_t&)crop.left, crop_w);
775            ovutils::normalizeCrop((uint32_t&)crop.top, crop_h);
776            // For interlaced, crop.h should be 4-aligned
777            if ((mdpFlags & ovutils::OV_MDP_DEINTERLACE) && (crop_h % 4))
778                crop_h = ovutils::aligndown(crop_h, 4);
779            crop.right = crop.left + crop_w;
780            crop.bottom = crop.top + crop_h;
781        }
782        Dim rotCrop(crop.left, crop.top, crop_w, crop_h);
783        rot->setCrop(rotCrop);
784    }
785
786    rot->setFlags(mdpFlags);
787    rot->setTransform(orient);
788    rot->setDownscale(downscale);
789    if(!rot->commit()) return -1;
790    return 0;
791}
792
793int configMdp(Overlay *ov, const PipeArgs& parg,
794        const eTransform& orient, const hwc_rect_t& crop,
795        const hwc_rect_t& pos, const MetaData_t *metadata,
796        const eDest& dest) {
797    ov->setSource(parg, dest);
798    ov->setTransform(orient, dest);
799
800    int crop_w = crop.right - crop.left;
801    int crop_h = crop.bottom - crop.top;
802    Dim dcrop(crop.left, crop.top, crop_w, crop_h);
803    ov->setCrop(dcrop, dest);
804
805    int posW = pos.right - pos.left;
806    int posH = pos.bottom - pos.top;
807    Dim position(pos.left, pos.top, posW, posH);
808    ov->setPosition(position, dest);
809
810    if (metadata)
811        ov->setVisualParams(*metadata, dest);
812
813    if (!ov->commit(dest)) {
814        return -1;
815    }
816    return 0;
817}
818
819void updateSource(eTransform& orient, Whf& whf,
820        hwc_rect_t& crop) {
821    Dim srcCrop(crop.left, crop.top,
822            crop.right - crop.left,
823            crop.bottom - crop.top);
824    orient = static_cast<eTransform>(ovutils::getMdpOrient(orient));
825    preRotateSource(orient, whf, srcCrop);
826    if (qdutils::MDPVersion::getInstance().getMDPVersion() >=
827        qdutils::MDSS_V5) {
828        // Source for overlay will be the cropped (and rotated)
829        crop.left = 0;
830        crop.top = 0;
831        crop.right = srcCrop.w;
832        crop.bottom = srcCrop.h;
833        // Set width & height equal to sourceCrop w & h
834        whf.w = srcCrop.w;
835        whf.h = srcCrop.h;
836    } else {
837        crop.left = srcCrop.x;
838        crop.top = srcCrop.y;
839        crop.right = srcCrop.x + srcCrop.w;
840        crop.bottom = srcCrop.y + srcCrop.h;
841    }
842}
843
844int configureLowRes(hwc_context_t *ctx, hwc_layer_1_t *layer,
845        const int& dpy, eMdpFlags& mdpFlags, eZorder& z,
846        eIsFg& isFg, const eDest& dest, Rotator **rot) {
847
848    private_handle_t *hnd = (private_handle_t *)layer->handle;
849    if(!hnd) {
850        ALOGE("%s: layer handle is NULL", __FUNCTION__);
851        return -1;
852    }
853
854    MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
855
856    hwc_rect_t crop = layer->sourceCrop;
857    hwc_rect_t dst = layer->displayFrame;
858    int transform = layer->transform;
859    eTransform orient = static_cast<eTransform>(transform);
860    int downscale = 0;
861    int rotFlags = ovutils::ROT_FLAGS_NONE;
862    Whf whf(hnd->width, hnd->height,
863            getMdpFormat(hnd->format), hnd->size);
864
865    if(dpy && isYuvBuffer(hnd)) {
866        if(!ctx->listStats[dpy].isDisplayAnimating) {
867            ctx->mPrevCropVideo = crop;
868            ctx->mPrevDestVideo = dst;
869            ctx->mPrevTransformVideo = transform;
870        } else {
871            // Restore the previous crop, dest rect and transform values, during
872            // animation to avoid displaying videos at random coordinates.
873            crop = ctx->mPrevCropVideo;
874            dst = ctx->mPrevDestVideo;
875            transform = ctx->mPrevTransformVideo;
876            orient = static_cast<eTransform>(transform);
877            //In you tube use case when a device rotated from landscape to
878            // portrait, set the isFg flag and zOrder to avoid displaying UI on
879            // hdmi during animation
880            if(ctx->deviceOrientation) {
881                isFg = ovutils::IS_FG_SET;
882                z = ZORDER_1;
883            }
884        }
885    }
886
887    uint32_t x = dst.left, y  = dst.right;
888    uint32_t w = dst.right - dst.left;
889    uint32_t h = dst.bottom - dst.top;
890
891    if(dpy && ctx->mExtOrientation) {
892        // Just need to set the position to portrait as the transformation
893        // will already be set to required orientation on TV
894        getAspectRatioPosition(ctx, dpy, ctx->mExtOrientation, x, y, w, h);
895        // Convert position to hwc_rect_t
896        dst.left = x;
897        dst.top = y;
898        dst.right = w + dst.left;
899        dst.bottom = h + dst.top;
900    }
901
902    if(isYuvBuffer(hnd) && ctx->mMDP.version >= qdutils::MDP_V4_2 &&
903       ctx->mMDP.version < qdutils::MDSS_V5) {
904        downscale =  getDownscaleFactor(
905            crop.right - crop.left,
906            crop.bottom - crop.top,
907            dst.right - dst.left,
908            dst.bottom - dst.top);
909        if(downscale) {
910            rotFlags = ROT_DOWNSCALE_ENABLED;
911        }
912    }
913
914    setMdpFlags(layer, mdpFlags, downscale, transform);
915    trimLayer(ctx, dpy, transform, crop, dst);
916
917    if(isYuvBuffer(hnd) && //if 90 component or downscale, use rot
918            ((transform & HWC_TRANSFORM_ROT_90) || downscale)) {
919        *rot = ctx->mRotMgr->getNext();
920        if(*rot == NULL) return -1;
921        BwcPM::setBwc(ctx, crop, dst, transform, mdpFlags);
922        //Configure rotator for pre-rotation
923        if(configRotator(*rot, whf, crop, mdpFlags, orient, downscale) < 0) {
924            ALOGE("%s: configRotator failed!", __FUNCTION__);
925            ctx->mOverlay->clear(dpy);
926            return -1;
927        }
928        whf.format = (*rot)->getDstFormat();
929        updateSource(orient, whf, crop);
930        rotFlags |= ovutils::ROT_PREROTATED;
931    }
932
933    //For the mdp, since either we are pre-rotating or MDP does flips
934    orient = OVERLAY_TRANSFORM_0;
935    transform = 0;
936    PipeArgs parg(mdpFlags, whf, z, isFg, static_cast<eRotFlags>(rotFlags));
937    if(configMdp(ctx->mOverlay, parg, orient, crop, dst, metadata, dest) < 0) {
938        ALOGE("%s: commit failed for low res panel", __FUNCTION__);
939        return -1;
940    }
941    return 0;
942}
943
944int configureHighRes(hwc_context_t *ctx, hwc_layer_1_t *layer,
945        const int& dpy, eMdpFlags& mdpFlagsL, eZorder& z,
946        eIsFg& isFg, const eDest& lDest, const eDest& rDest,
947        Rotator **rot) {
948    private_handle_t *hnd = (private_handle_t *)layer->handle;
949    if(!hnd) {
950        ALOGE("%s: layer handle is NULL", __FUNCTION__);
951        return -1;
952    }
953
954    MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
955
956    int hw_w = ctx->dpyAttr[dpy].xres;
957    int hw_h = ctx->dpyAttr[dpy].yres;
958    hwc_rect_t crop = layer->sourceCrop;
959    hwc_rect_t dst = layer->displayFrame;
960    int transform = layer->transform;
961    eTransform orient = static_cast<eTransform>(transform);
962    const int downscale = 0;
963    int rotFlags = ROT_FLAGS_NONE;
964
965    Whf whf(hnd->width, hnd->height,
966            getMdpFormat(hnd->format), hnd->size);
967
968    if(dpy && isYuvBuffer(hnd)) {
969        if(!ctx->listStats[dpy].isDisplayAnimating) {
970            ctx->mPrevCropVideo = crop;
971            ctx->mPrevDestVideo = dst;
972            ctx->mPrevTransformVideo = transform;
973        } else {
974            // Restore the previous crop, dest rect and transform values, during
975            // animation to avoid displaying videos at random coordinates.
976            crop = ctx->mPrevCropVideo;
977            dst = ctx->mPrevDestVideo;
978            transform = ctx->mPrevTransformVideo;
979            orient = static_cast<eTransform>(transform);
980            //In you tube use case when a device rotated from landscape to
981            // portrait, set the isFg flag and zOrder to avoid displaying UI on
982            // hdmi during animation
983            if(ctx->deviceOrientation) {
984                isFg = ovutils::IS_FG_SET;
985                z = ZORDER_1;
986            }
987        }
988    }
989
990
991    setMdpFlags(layer, mdpFlagsL, 0, transform);
992    trimLayer(ctx, dpy, transform, crop, dst);
993
994    if(isYuvBuffer(hnd) && (transform & HWC_TRANSFORM_ROT_90)) {
995        (*rot) = ctx->mRotMgr->getNext();
996        if((*rot) == NULL) return -1;
997        //Configure rotator for pre-rotation
998        if(configRotator(*rot, whf, crop, mdpFlagsL, orient, downscale) < 0) {
999            ALOGE("%s: configRotator failed!", __FUNCTION__);
1000            ctx->mOverlay->clear(dpy);
1001            return -1;
1002        }
1003        whf.format = (*rot)->getDstFormat();
1004        updateSource(orient, whf, crop);
1005        rotFlags |= ROT_PREROTATED;
1006    }
1007
1008    eMdpFlags mdpFlagsR = mdpFlagsL;
1009    setMdpFlags(mdpFlagsR, OV_MDSS_MDP_RIGHT_MIXER);
1010
1011    hwc_rect_t tmp_cropL, tmp_dstL;
1012    hwc_rect_t tmp_cropR, tmp_dstR;
1013
1014    if(lDest != OV_INVALID) {
1015        tmp_cropL = crop;
1016        tmp_dstL = dst;
1017        hwc_rect_t scissor = {0, 0, hw_w/2, hw_h };
1018        qhwc::calculate_crop_rects(tmp_cropL, tmp_dstL, scissor, 0);
1019    }
1020    if(rDest != OV_INVALID) {
1021        tmp_cropR = crop;
1022        tmp_dstR = dst;
1023        hwc_rect_t scissor = {hw_w/2, 0, hw_w, hw_h };
1024        qhwc::calculate_crop_rects(tmp_cropR, tmp_dstR, scissor, 0);
1025    }
1026
1027    //When buffer is flipped, contents of mixer config also needs to swapped.
1028    //Not needed if the layer is confined to one half of the screen.
1029    //If rotator has been used then it has also done the flips, so ignore them.
1030    if((orient & OVERLAY_TRANSFORM_FLIP_V) && lDest != OV_INVALID
1031            && rDest != OV_INVALID && (*rot) == NULL) {
1032        hwc_rect_t new_cropR;
1033        new_cropR.left = tmp_cropL.left;
1034        new_cropR.right = new_cropR.left + (tmp_cropR.right - tmp_cropR.left);
1035
1036        hwc_rect_t new_cropL;
1037        new_cropL.left  = new_cropR.right;
1038        new_cropL.right = tmp_cropR.right;
1039
1040        tmp_cropL.left =  new_cropL.left;
1041        tmp_cropL.right =  new_cropL.right;
1042
1043        tmp_cropR.left = new_cropR.left;
1044        tmp_cropR.right =  new_cropR.right;
1045
1046    }
1047
1048    //For the mdp, since either we are pre-rotating or MDP does flips
1049    orient = OVERLAY_TRANSFORM_0;
1050    transform = 0;
1051
1052    //configure left mixer
1053    if(lDest != OV_INVALID) {
1054        PipeArgs pargL(mdpFlagsL, whf, z, isFg,
1055                static_cast<eRotFlags>(rotFlags));
1056        if(configMdp(ctx->mOverlay, pargL, orient,
1057                tmp_cropL, tmp_dstL, metadata, lDest) < 0) {
1058            ALOGE("%s: commit failed for left mixer config", __FUNCTION__);
1059            return -1;
1060        }
1061    }
1062
1063    //configure right mixer
1064    if(rDest != OV_INVALID) {
1065        PipeArgs pargR(mdpFlagsR, whf, z, isFg,
1066                static_cast<eRotFlags>(rotFlags));
1067        tmp_dstR.right = tmp_dstR.right - hw_w/2;
1068        tmp_dstR.left = tmp_dstR.left - hw_w/2;
1069        if(configMdp(ctx->mOverlay, pargR, orient,
1070                tmp_cropR, tmp_dstR, metadata, rDest) < 0) {
1071            ALOGE("%s: commit failed for right mixer config", __FUNCTION__);
1072            return -1;
1073        }
1074    }
1075
1076    return 0;
1077}
1078
1079bool canUseRotator(hwc_context_t *ctx) {
1080    if(qdutils::MDPVersion::getInstance().is8x26() &&
1081            ctx->mExtDisplay->isExternalConnected()) {
1082        return false;
1083    }
1084    if(ctx->mMDP.version == qdutils::MDP_V3_0_4)
1085        return false;
1086    return true;
1087}
1088
1089
1090void BwcPM::setBwc(hwc_context_t *ctx, const hwc_rect_t& crop,
1091            const hwc_rect_t& dst, const int& transform,
1092            ovutils::eMdpFlags& mdpFlags) {
1093    //Target doesnt support Bwc
1094    if(!qdutils::MDPVersion::getInstance().supportsBWC()) {
1095        return;
1096    }
1097    //src width > MAX mixer supported dim
1098    if((crop.right - crop.left) > qdutils::MAX_DISPLAY_DIM) {
1099        return;
1100    }
1101    //External connected
1102    if(ctx->mExtDisplay->isExternalConnected()) {
1103        return;
1104    }
1105    //Decimation necessary, cannot use BWC. H/W requirement.
1106    if(qdutils::MDPVersion::getInstance().supportsDecimation()) {
1107        int src_w = crop.right - crop.left;
1108        int src_h = crop.bottom - crop.top;
1109        int dst_w = dst.right - dst.left;
1110        int dst_h = dst.bottom - dst.top;
1111        if(transform & HAL_TRANSFORM_ROT_90) {
1112            swap(src_w, src_h);
1113        }
1114        float horDscale = 0.0f;
1115        float verDscale = 0.0f;
1116        ovutils::getDecimationFactor(src_w, src_h, dst_w, dst_h, horDscale,
1117                verDscale);
1118        if(horDscale || verDscale) return;
1119    }
1120    //Property
1121    char value[PROPERTY_VALUE_MAX];
1122    property_get("debug.disable.bwc", value, "0");
1123     if(atoi(value)) return;
1124
1125    ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDSS_MDP_BWC_EN);
1126}
1127
1128};//namespace qhwc
1129