hwc_mdpcomp.cpp revision 513ddc2124abf90c63af41999201f0d2031af0c8 
1/*
2 * Copyright (C) 2012-2013, The Linux Foundation. All rights reserved.
3 * Not a Contribution, Apache license notifications and license are retained
4 * for attribution purposes only.
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 *      http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19#include <math.h>
20#include "hwc_mdpcomp.h"
21#include <sys/ioctl.h>
22#include "external.h"
23#include "qdMetaData.h"
24#include "mdp_version.h"
25#include <overlayRotator.h>
26
27using overlay::Rotator;
28using namespace overlay::utils;
29namespace ovutils = overlay::utils;
30
31namespace qhwc {
32
33//==============MDPComp========================================================
34
35IdleInvalidator *MDPComp::idleInvalidator = NULL;
36bool MDPComp::sIdleFallBack = false;
37bool MDPComp::sDebugLogs = false;
38bool MDPComp::sEnabled = false;
39int MDPComp::sMaxPipesPerMixer = MAX_PIPES_PER_MIXER;
40
41MDPComp* MDPComp::getObject(const int& width, int dpy) {
42    if(width <= MAX_DISPLAY_DIM) {
43        return new MDPCompLowRes(dpy);
44    } else {
45        return new MDPCompHighRes(dpy);
46    }
47}
48
49MDPComp::MDPComp(int dpy):mDpy(dpy){};
50
51void MDPComp::dump(android::String8& buf)
52{
53    dumpsys_log(buf,"HWC Map for Dpy: %s \n",
54                mDpy ? "\"EXTERNAL\"" : "\"PRIMARY\"");
55    dumpsys_log(buf,"PREV_FRAME: layerCount:%2d    mdpCount:%2d \
56                cacheCount:%2d \n", mCachedFrame.layerCount,
57                mCachedFrame.mdpCount, mCachedFrame.cacheCount);
58    dumpsys_log(buf,"CURR_FRAME: layerCount:%2d    mdpCount:%2d \
59                fbCount:%2d \n", mCurrentFrame.layerCount,
60                mCurrentFrame.mdpCount, mCurrentFrame.fbCount);
61    dumpsys_log(buf,"needsFBRedraw:%3s  pipesUsed:%2d  MaxPipesPerMixer: %d \n",
62                (mCurrentFrame.needsRedraw? "YES" : "NO"),
63                mCurrentFrame.mdpCount, sMaxPipesPerMixer);
64    dumpsys_log(buf," ---------------------------------------------  \n");
65    dumpsys_log(buf," listIdx | cached? | mdpIndex | comptype  |  Z  \n");
66    dumpsys_log(buf," ---------------------------------------------  \n");
67    for(int index = 0; index < mCurrentFrame.layerCount; index++ )
68        dumpsys_log(buf," %7d | %7s | %8d | %9s | %2d \n",
69                    index,
70                    (mCurrentFrame.isFBComposed[index] ? "YES" : "NO"),
71                    mCurrentFrame.layerToMDP[index],
72                    (mCurrentFrame.isFBComposed[index] ?
73                     (mCurrentFrame.needsRedraw ? "GLES" : "CACHE") : "MDP"),
74                    (mCurrentFrame.isFBComposed[index] ? mCurrentFrame.fbZ :
75    mCurrentFrame.mdpToLayer[mCurrentFrame.layerToMDP[index]].pipeInfo->zOrder));
76    dumpsys_log(buf,"\n");
77}
78
79bool MDPComp::init(hwc_context_t *ctx) {
80
81    if(!ctx) {
82        ALOGE("%s: Invalid hwc context!!",__FUNCTION__);
83        return false;
84    }
85
86    char property[PROPERTY_VALUE_MAX];
87
88    sEnabled = false;
89    if((property_get("persist.hwc.mdpcomp.enable", property, NULL) > 0) &&
90       (!strncmp(property, "1", PROPERTY_VALUE_MAX ) ||
91        (!strncasecmp(property,"true", PROPERTY_VALUE_MAX )))) {
92        sEnabled = true;
93    }
94
95    sDebugLogs = false;
96    if(property_get("debug.mdpcomp.logs", property, NULL) > 0) {
97        if(atoi(property) != 0)
98            sDebugLogs = true;
99    }
100
101    sMaxPipesPerMixer = MAX_PIPES_PER_MIXER;
102    if(property_get("debug.mdpcomp.maxpermixer", property, NULL) > 0) {
103        if(atoi(property) != 0)
104            sMaxPipesPerMixer = true;
105    }
106
107    unsigned long idle_timeout = DEFAULT_IDLE_TIME;
108    if(property_get("debug.mdpcomp.idletime", property, NULL) > 0) {
109        if(atoi(property) != 0)
110            idle_timeout = atoi(property);
111    }
112
113    //create Idle Invalidator
114    idleInvalidator = IdleInvalidator::getInstance();
115
116    if(idleInvalidator == NULL) {
117        ALOGE("%s: failed to instantiate idleInvalidator object", __FUNCTION__);
118    } else {
119        idleInvalidator->init(timeout_handler, ctx, idle_timeout);
120    }
121    return true;
122}
123
124void MDPComp::timeout_handler(void *udata) {
125    struct hwc_context_t* ctx = (struct hwc_context_t*)(udata);
126
127    if(!ctx) {
128        ALOGE("%s: received empty data in timer callback", __FUNCTION__);
129        return;
130    }
131
132    if(!ctx->proc) {
133        ALOGE("%s: HWC proc not registered", __FUNCTION__);
134        return;
135    }
136    sIdleFallBack = true;
137    /* Trigger SF to redraw the current frame */
138    ctx->proc->invalidate(ctx->proc);
139}
140
141void MDPComp::setMDPCompLayerFlags(hwc_context_t *ctx,
142                                   hwc_display_contents_1_t* list) {
143    LayerProp *layerProp = ctx->layerProp[mDpy];
144
145    for(int index = 0; index < ctx->listStats[mDpy].numAppLayers; index++) {
146        hwc_layer_1_t* layer = &(list->hwLayers[index]);
147        if(!mCurrentFrame.isFBComposed[index]) {
148            layerProp[index].mFlags |= HWC_MDPCOMP;
149            layer->compositionType = HWC_OVERLAY;
150            layer->hints |= HWC_HINT_CLEAR_FB;
151            mCachedFrame.hnd[index] = NULL;
152        } else {
153            if(!mCurrentFrame.needsRedraw)
154                layer->compositionType = HWC_OVERLAY;
155        }
156    }
157}
158
159/*
160 * Sets up BORDERFILL as default base pipe and detaches RGB0.
161 * Framebuffer is always updated using PLAY ioctl.
162 */
163bool MDPComp::setupBasePipe(hwc_context_t *ctx) {
164    const int dpy = HWC_DISPLAY_PRIMARY;
165    int fb_stride = ctx->dpyAttr[dpy].stride;
166    int fb_width = ctx->dpyAttr[dpy].xres;
167    int fb_height = ctx->dpyAttr[dpy].yres;
168    int fb_fd = ctx->dpyAttr[dpy].fd;
169
170    mdp_overlay ovInfo;
171    msmfb_overlay_data ovData;
172    memset(&ovInfo, 0, sizeof(mdp_overlay));
173    memset(&ovData, 0, sizeof(msmfb_overlay_data));
174
175    ovInfo.src.format = MDP_RGB_BORDERFILL;
176    ovInfo.src.width  = fb_width;
177    ovInfo.src.height = fb_height;
178    ovInfo.src_rect.w = fb_width;
179    ovInfo.src_rect.h = fb_height;
180    ovInfo.dst_rect.w = fb_width;
181    ovInfo.dst_rect.h = fb_height;
182    ovInfo.id = MSMFB_NEW_REQUEST;
183
184    if (ioctl(fb_fd, MSMFB_OVERLAY_SET, &ovInfo) < 0) {
185        ALOGE("Failed to call ioctl MSMFB_OVERLAY_SET err=%s",
186              strerror(errno));
187        return false;
188    }
189
190    ovData.id = ovInfo.id;
191    if (ioctl(fb_fd, MSMFB_OVERLAY_PLAY, &ovData) < 0) {
192        ALOGE("Failed to call ioctl MSMFB_OVERLAY_PLAY err=%s",
193              strerror(errno));
194        return false;
195    }
196    return true;
197}
198
199MDPComp::FrameInfo::FrameInfo() {
200    reset(0);
201}
202
203void MDPComp::FrameInfo::reset(const int& numLayers) {
204    for(int i = 0 ; i < MAX_PIPES_PER_MIXER && numLayers; i++ ) {
205        if(mdpToLayer[i].pipeInfo) {
206            delete mdpToLayer[i].pipeInfo;
207            mdpToLayer[i].pipeInfo = NULL;
208            //We dont own the rotator
209            mdpToLayer[i].rot = NULL;
210        }
211    }
212
213    memset(&mdpToLayer, 0, sizeof(mdpToLayer));
214    memset(&layerToMDP, -1, sizeof(layerToMDP));
215    memset(&isFBComposed, 1, sizeof(isFBComposed));
216
217    layerCount = numLayers;
218    fbCount = numLayers;
219    mdpCount = 0;
220    needsRedraw = true;
221    fbZ = 0;
222}
223
224void MDPComp::FrameInfo::map() {
225    // populate layer and MDP maps
226    int mdpIdx = 0;
227    for(int idx = 0; idx < layerCount; idx++) {
228        if(!isFBComposed[idx]) {
229            mdpToLayer[mdpIdx].listIndex = idx;
230            layerToMDP[idx] = mdpIdx++;
231        }
232    }
233}
234
235MDPComp::LayerCache::LayerCache() {
236    reset();
237}
238
239void MDPComp::LayerCache::reset() {
240    memset(&hnd, 0, sizeof(hnd));
241    mdpCount = 0;
242    cacheCount = 0;
243    layerCount = 0;
244    fbZ = -1;
245}
246
247void MDPComp::LayerCache::cacheAll(hwc_display_contents_1_t* list) {
248    const int numAppLayers = list->numHwLayers - 1;
249    for(int i = 0; i < numAppLayers; i++) {
250        hnd[i] = list->hwLayers[i].handle;
251    }
252}
253
254void MDPComp::LayerCache::updateCounts(const FrameInfo& curFrame) {
255    mdpCount = curFrame.mdpCount;
256    cacheCount = curFrame.fbCount;
257    layerCount = curFrame.layerCount;
258    fbZ = curFrame.fbZ;
259}
260
261bool MDPComp::isValidDimension(hwc_context_t *ctx, hwc_layer_1_t *layer) {
262    const int dpy = HWC_DISPLAY_PRIMARY;
263    private_handle_t *hnd = (private_handle_t *)layer->handle;
264
265    if(!hnd) {
266        ALOGE("%s: layer handle is NULL", __FUNCTION__);
267        return false;
268    }
269
270    int hw_w = ctx->dpyAttr[mDpy].xres;
271    int hw_h = ctx->dpyAttr[mDpy].yres;
272
273    hwc_rect_t crop = layer->sourceCrop;
274    hwc_rect_t dst = layer->displayFrame;
275
276    if(dst.left < 0 || dst.top < 0 || dst.right > hw_w || dst.bottom > hw_h) {
277       hwc_rect_t scissor = {0, 0, hw_w, hw_h };
278       qhwc::calculate_crop_rects(crop, dst, scissor, layer->transform);
279    }
280
281    int crop_w = crop.right - crop.left;
282    int crop_h = crop.bottom - crop.top;
283    int dst_w = dst.right - dst.left;
284    int dst_h = dst.bottom - dst.top;
285    float w_dscale = ceilf((float)crop_w / (float)dst_w);
286    float h_dscale = ceilf((float)crop_h / (float)dst_h);
287
288    //Workaround for MDP HW limitation in DSI command mode panels where
289    //FPS will not go beyond 30 if buffers on RGB pipes are of width < 5
290
291    if((crop_w < 5)||(crop_h < 5))
292        return false;
293
294    if(ctx->mMDP.version >= qdutils::MDSS_V5) {
295        /* Workaround for downscales larger than 4x.
296         * Will be removed once decimator block is enabled for MDSS
297         */
298        if(w_dscale > 4.0f || h_dscale > 4.0f)
299            return false;
300    } else {
301        if(w_dscale > 8.0f || h_dscale > 8.0f)
302            // MDP 4 supports 1/8 downscale
303            return false;
304    }
305
306    return true;
307}
308
309ovutils::eDest MDPComp::getMdpPipe(hwc_context_t *ctx, ePipeType type) {
310    overlay::Overlay& ov = *ctx->mOverlay;
311    ovutils::eDest mdp_pipe = ovutils::OV_INVALID;
312
313    switch(type) {
314    case MDPCOMP_OV_DMA:
315        mdp_pipe = ov.nextPipe(ovutils::OV_MDP_PIPE_DMA, mDpy);
316        if(mdp_pipe != ovutils::OV_INVALID) {
317            ctx->mDMAInUse = true;
318            return mdp_pipe;
319        }
320    case MDPCOMP_OV_ANY:
321    case MDPCOMP_OV_RGB:
322        mdp_pipe = ov.nextPipe(ovutils::OV_MDP_PIPE_RGB, mDpy);
323        if(mdp_pipe != ovutils::OV_INVALID) {
324            return mdp_pipe;
325        }
326
327        if(type == MDPCOMP_OV_RGB) {
328            //Requested only for RGB pipe
329            break;
330        }
331    case  MDPCOMP_OV_VG:
332        return ov.nextPipe(ovutils::OV_MDP_PIPE_VG, mDpy);
333    default:
334        ALOGE("%s: Invalid pipe type",__FUNCTION__);
335        return ovutils::OV_INVALID;
336    };
337    return ovutils::OV_INVALID;
338}
339
340bool MDPComp::isFrameDoable(hwc_context_t *ctx) {
341    int numAppLayers = ctx->listStats[mDpy].numAppLayers;
342    bool ret = true;
343
344    if(!isEnabled()) {
345        ALOGD_IF(isDebug(),"%s: MDP Comp. not enabled.", __FUNCTION__);
346        ret = false;
347    } else if(ctx->mExtDispConfiguring) {
348        ALOGD_IF( isDebug(),"%s: External Display connection is pending",
349                  __FUNCTION__);
350        ret = false;
351    }
352    return ret;
353}
354
355/* Checks for conditions where all the layers marked for MDP comp cannot be
356 * bypassed. On such conditions we try to bypass atleast YUV layers */
357bool MDPComp::isFullFrameDoable(hwc_context_t *ctx,
358                                hwc_display_contents_1_t* list){
359
360    const int numAppLayers = ctx->listStats[mDpy].numAppLayers;
361
362    if(sIdleFallBack) {
363        ALOGD_IF(isDebug(), "%s: Idle fallback dpy %d",__FUNCTION__, mDpy);
364        return false;
365    }
366
367    if(mDpy > HWC_DISPLAY_PRIMARY){
368        ALOGD_IF(isDebug(), "%s: Cannot support External display(s)",
369                 __FUNCTION__);
370        return false;
371    }
372
373    if(isSkipPresent(ctx, mDpy)) {
374        ALOGD_IF(isDebug(),"%s: SKIP present: %d",
375                __FUNCTION__,
376                isSkipPresent(ctx, mDpy));
377        return false;
378    }
379
380    if(ctx->listStats[mDpy].planeAlpha
381                     && ctx->mMDP.version >= qdutils::MDSS_V5) {
382        ALOGD_IF(isDebug(), "%s: plane alpha not implemented on MDSS",
383                 __FUNCTION__);
384        return false;
385    }
386
387    if(ctx->listStats[mDpy].needsAlphaScale
388       && ctx->mMDP.version < qdutils::MDSS_V5) {
389        ALOGD_IF(isDebug(), "%s: frame needs alpha downscaling",__FUNCTION__);
390        return false;
391    }
392
393    //MDP composition is not efficient if layer needs rotator.
394    for(int i = 0; i < numAppLayers; ++i) {
395        // As MDP h/w supports flip operation, use MDP comp only for
396        // 180 transforms. Fail for any transform involving 90 (90, 270).
397        hwc_layer_1_t* layer = &list->hwLayers[i];
398        private_handle_t *hnd = (private_handle_t *)layer->handle;
399        if(isYuvBuffer(hnd) ) {
400            if(isSecuring(ctx, layer)) {
401                ALOGD_IF(isDebug(), "%s: MDP securing is active", __FUNCTION__);
402                return false;
403            }
404        } else if(layer->transform & HWC_TRANSFORM_ROT_90) {
405            ALOGD_IF(isDebug(), "%s: orientation involved",__FUNCTION__);
406            return false;
407        }
408
409        if(!isValidDimension(ctx,layer)) {
410            ALOGD_IF(isDebug(), "%s: Buffer is of invalid width",
411                __FUNCTION__);
412            return false;
413        }
414    }
415
416    //If all above hard conditions are met we can do full or partial MDP comp.
417    bool ret = false;
418    if(fullMDPComp(ctx, list)) {
419        ret = true;
420    } else if (partialMDPComp(ctx, list)) {
421        ret = true;
422    }
423    return ret;
424}
425
426bool MDPComp::fullMDPComp(hwc_context_t *ctx, hwc_display_contents_1_t* list) {
427    //Setup mCurrentFrame
428    mCurrentFrame.mdpCount = mCurrentFrame.layerCount;
429    mCurrentFrame.fbCount = 0;
430    mCurrentFrame.fbZ = -1;
431    memset(&mCurrentFrame.isFBComposed, 0, sizeof(mCurrentFrame.isFBComposed));
432
433    int mdpCount = mCurrentFrame.mdpCount;
434    if(mdpCount > sMaxPipesPerMixer) {
435        ALOGD_IF(isDebug(), "%s: Exceeds MAX_PIPES_PER_MIXER",__FUNCTION__);
436        return false;
437    }
438
439    int numPipesNeeded = pipesNeeded(ctx, list);
440    int availPipes = getAvailablePipes(ctx);
441
442    if(numPipesNeeded > availPipes) {
443        ALOGD_IF(isDebug(), "%s: Insufficient MDP pipes, needed %d, avail %d",
444                __FUNCTION__, numPipesNeeded, availPipes);
445        return false;
446    }
447
448    return true;
449}
450
451bool MDPComp::partialMDPComp(hwc_context_t *ctx, hwc_display_contents_1_t* list)
452{
453    int numAppLayers = ctx->listStats[mDpy].numAppLayers;
454    //Setup mCurrentFrame
455    mCurrentFrame.reset(numAppLayers);
456    updateLayerCache(ctx, list);
457    updateYUV(ctx, list);
458    batchLayers(); //sets up fbZ also
459
460    int mdpCount = mCurrentFrame.mdpCount;
461    if(mdpCount > (sMaxPipesPerMixer - 1)) { // -1 since FB is used
462        ALOGD_IF(isDebug(), "%s: Exceeds MAX_PIPES_PER_MIXER",__FUNCTION__);
463        return false;
464    }
465
466    int numPipesNeeded = pipesNeeded(ctx, list);
467    int availPipes = getAvailablePipes(ctx);
468
469    if(numPipesNeeded > availPipes) {
470        ALOGD_IF(isDebug(), "%s: Insufficient MDP pipes, needed %d, avail %d",
471                __FUNCTION__, numPipesNeeded, availPipes);
472        return false;
473    }
474
475    return true;
476}
477
478bool MDPComp::isOnlyVideoDoable(hwc_context_t *ctx,
479        hwc_display_contents_1_t* list){
480    int numAppLayers = ctx->listStats[mDpy].numAppLayers;
481    mCurrentFrame.reset(numAppLayers);
482    updateYUV(ctx, list);
483    int mdpCount = mCurrentFrame.mdpCount;
484    int fbNeeded = int(mCurrentFrame.fbCount != 0);
485
486    if(!isYuvPresent(ctx, mDpy)) {
487        return false;
488    }
489
490    if(!mdpCount)
491        return false;
492
493    if(mdpCount > (sMaxPipesPerMixer - fbNeeded)) {
494        ALOGD_IF(isDebug(), "%s: Exceeds MAX_PIPES_PER_MIXER",__FUNCTION__);
495        return false;
496    }
497
498    int numPipesNeeded = pipesNeeded(ctx, list);
499    int availPipes = getAvailablePipes(ctx);
500    if(numPipesNeeded > availPipes) {
501        ALOGD_IF(isDebug(), "%s: Insufficient MDP pipes, needed %d, avail %d",
502                __FUNCTION__, numPipesNeeded, availPipes);
503        return false;
504    }
505
506    return true;
507}
508
509/* Checks for conditions where YUV layers cannot be bypassed */
510bool MDPComp::isYUVDoable(hwc_context_t* ctx, hwc_layer_1_t* layer) {
511
512    if(isSkipLayer(layer)) {
513        ALOGE("%s: Unable to bypass skipped YUV", __FUNCTION__);
514        return false;
515    }
516
517    if(ctx->mNeedsRotator && ctx->mDMAInUse) {
518        ALOGE("%s: No DMA for Rotator",__FUNCTION__);
519        return false;
520    }
521
522    if(isSecuring(ctx, layer)) {
523        ALOGD_IF(isDebug(), "%s: MDP securing is active", __FUNCTION__);
524        return false;
525    }
526
527    if(!isValidDimension(ctx, layer)) {
528        ALOGD_IF(isDebug(), "%s: Buffer is of invalid width",
529            __FUNCTION__);
530        return false;
531    }
532
533    return true;
534}
535
536void  MDPComp::batchLayers() {
537    /* Idea is to keep as many contiguous non-updating(cached) layers in FB and
538     * send rest of them through MDP. NEVER mark an updating layer for caching.
539     * But cached ones can be marked for MDP*/
540
541    int maxBatchStart = -1;
542    int maxBatchCount = 0;
543
544    /* All or Nothing is cached. No batching needed */
545    if(!mCurrentFrame.fbCount) {
546        mCurrentFrame.fbZ = -1;
547        return;
548    }
549    if(!mCurrentFrame.mdpCount) {
550        mCurrentFrame.fbZ = 0;
551        return;
552    }
553
554    /* Search for max number of contiguous (cached) layers */
555    int i = 0;
556    while (i < mCurrentFrame.layerCount) {
557        int count = 0;
558        while(mCurrentFrame.isFBComposed[i] && i < mCurrentFrame.layerCount) {
559            count++; i++;
560        }
561        if(count > maxBatchCount) {
562            maxBatchCount = count;
563            maxBatchStart = i - count;
564            mCurrentFrame.fbZ = maxBatchStart;
565        }
566        if(i < mCurrentFrame.layerCount) i++;
567    }
568
569    /* reset rest of the layers for MDP comp */
570    for(int i = 0; i < mCurrentFrame.layerCount; i++) {
571        if(i != maxBatchStart){
572            mCurrentFrame.isFBComposed[i] = false;
573        } else {
574            i += maxBatchCount;
575        }
576    }
577
578    mCurrentFrame.fbCount = maxBatchCount;
579    mCurrentFrame.mdpCount = mCurrentFrame.layerCount -
580            mCurrentFrame.fbCount;
581
582    ALOGD_IF(isDebug(),"%s: cached count: %d",__FUNCTION__,
583             mCurrentFrame.fbCount);
584}
585
586void MDPComp::updateLayerCache(hwc_context_t* ctx,
587                               hwc_display_contents_1_t* list) {
588
589    int numAppLayers = ctx->listStats[mDpy].numAppLayers;
590    int numCacheableLayers = 0;
591
592    for(int i = 0; i < numAppLayers; i++) {
593        if (mCachedFrame.hnd[i] == list->hwLayers[i].handle) {
594            numCacheableLayers++;
595            mCurrentFrame.isFBComposed[i] = true;
596        } else {
597            mCurrentFrame.isFBComposed[i] = false;
598            mCachedFrame.hnd[i] = list->hwLayers[i].handle;
599        }
600    }
601
602    mCurrentFrame.fbCount = numCacheableLayers;
603    mCurrentFrame.mdpCount = mCurrentFrame.layerCount -
604            mCurrentFrame.fbCount;
605    ALOGD_IF(isDebug(),"%s: cached count: %d",__FUNCTION__, numCacheableLayers);
606}
607
608int MDPComp::getAvailablePipes(hwc_context_t* ctx) {
609    int numDMAPipes = qdutils::MDPVersion::getInstance().getDMAPipes();
610    overlay::Overlay& ov = *ctx->mOverlay;
611
612    int numAvailable = ov.availablePipes(mDpy);
613
614    //Reserve DMA for rotator
615    if(ctx->mNeedsRotator)
616        numAvailable -= numDMAPipes;
617
618    //Reserve pipe(s)for FB
619    if(mCurrentFrame.fbCount)
620        numAvailable -= pipesForFB();
621
622    return numAvailable;
623}
624
625void MDPComp::updateYUV(hwc_context_t* ctx, hwc_display_contents_1_t* list) {
626
627    int nYuvCount = ctx->listStats[mDpy].yuvCount;
628    for(int index = 0;index < nYuvCount; index++){
629        int nYuvIndex = ctx->listStats[mDpy].yuvIndices[index];
630        hwc_layer_1_t* layer = &list->hwLayers[nYuvIndex];
631
632        if(!isYUVDoable(ctx, layer)) {
633            if(!mCurrentFrame.isFBComposed[nYuvIndex]) {
634                mCurrentFrame.isFBComposed[nYuvIndex] = true;
635                mCurrentFrame.fbCount++;
636            }
637        } else {
638            if(mCurrentFrame.isFBComposed[nYuvIndex]) {
639                mCurrentFrame.isFBComposed[nYuvIndex] = false;
640                mCurrentFrame.fbCount--;
641            }
642        }
643    }
644
645    mCurrentFrame.mdpCount = mCurrentFrame.layerCount -
646            mCurrentFrame.fbCount;
647    ALOGD_IF(isDebug(),"%s: cached count: %d",__FUNCTION__,
648             mCurrentFrame.fbCount);
649}
650
651bool MDPComp::programMDP(hwc_context_t *ctx, hwc_display_contents_1_t* list) {
652    ctx->mDMAInUse = false;
653    if(!allocLayerPipes(ctx, list)) {
654        ALOGD_IF(isDebug(), "%s: Unable to allocate MDP pipes", __FUNCTION__);
655        return false;
656    }
657
658    bool fbBatch = false;
659    for (int index = 0, mdpNextZOrder = 0; index < mCurrentFrame.layerCount;
660            index++) {
661        if(!mCurrentFrame.isFBComposed[index]) {
662            int mdpIndex = mCurrentFrame.layerToMDP[index];
663            hwc_layer_1_t* layer = &list->hwLayers[index];
664
665            MdpPipeInfo* cur_pipe = mCurrentFrame.mdpToLayer[mdpIndex].pipeInfo;
666            cur_pipe->zOrder = mdpNextZOrder++;
667
668            if(configure(ctx, layer, mCurrentFrame.mdpToLayer[mdpIndex]) != 0 ){
669                ALOGD_IF(isDebug(), "%s: Failed to configure overlay for \
670                         layer %d",__FUNCTION__, index);
671                return false;
672            }
673        } else if(fbBatch == false) {
674                mdpNextZOrder++;
675                fbBatch = true;
676        }
677    }
678
679    return true;
680}
681
682bool MDPComp::programYUV(hwc_context_t *ctx, hwc_display_contents_1_t* list) {
683    if(!allocLayerPipes(ctx, list)) {
684        ALOGD_IF(isDebug(), "%s: Unable to allocate MDP pipes", __FUNCTION__);
685        return false;
686    }
687    //If we are in this block, it means we have yuv + rgb layers both
688    int mdpIdx = 0;
689    for (int index = 0; index < mCurrentFrame.layerCount; index++) {
690        if(!mCurrentFrame.isFBComposed[index]) {
691            hwc_layer_1_t* layer = &list->hwLayers[index];
692            int mdpIndex = mCurrentFrame.layerToMDP[index];
693            MdpPipeInfo* cur_pipe =
694                    mCurrentFrame.mdpToLayer[mdpIndex].pipeInfo;
695            cur_pipe->zOrder = mdpIdx++;
696
697            if(configure(ctx, layer,
698                        mCurrentFrame.mdpToLayer[mdpIndex]) != 0 ){
699                ALOGD_IF(isDebug(), "%s: Failed to configure overlay for \
700                        layer %d",__FUNCTION__, index);
701                return false;
702            }
703        }
704    }
705    return true;
706}
707
708int MDPComp::prepare(hwc_context_t *ctx, hwc_display_contents_1_t* list) {
709
710    //reset old data
711    const int numLayers = ctx->listStats[mDpy].numAppLayers;
712    mCurrentFrame.reset(numLayers);
713
714    //Hard conditions, if not met, cannot do MDP comp
715    if(!isFrameDoable(ctx)) {
716        ALOGD_IF( isDebug(),"%s: MDP Comp not possible for this frame",
717                  __FUNCTION__);
718        mCurrentFrame.reset(numLayers);
719        mCachedFrame.cacheAll(list);
720        mCachedFrame.updateCounts(mCurrentFrame);
721        return 0;
722    }
723
724    //Check whether layers marked for MDP Composition is actually doable.
725    if(isFullFrameDoable(ctx, list)){
726        mCurrentFrame.map();
727        //Acquire and Program MDP pipes
728        if(!programMDP(ctx, list)) {
729            mCurrentFrame.reset(numLayers);
730            mCachedFrame.cacheAll(list);
731        } else { //Success
732            //Any change in composition types needs an FB refresh
733            mCurrentFrame.needsRedraw = false;
734            if(mCurrentFrame.fbCount &&
735                    ((mCurrentFrame.mdpCount != mCachedFrame.mdpCount) ||
736                     (mCurrentFrame.fbCount != mCachedFrame.cacheCount) ||
737                     (mCurrentFrame.fbZ != mCachedFrame.fbZ) ||
738                     (!mCurrentFrame.mdpCount) ||
739                     (list->flags & HWC_GEOMETRY_CHANGED) ||
740                     isSkipPresent(ctx, mDpy) ||
741                     (mDpy > HWC_DISPLAY_PRIMARY))) {
742                mCurrentFrame.needsRedraw = true;
743            }
744        }
745    } else if(isOnlyVideoDoable(ctx, list)) {
746        //All layers marked for MDP comp cannot be bypassed.
747        //Try to compose atleast YUV layers through MDP comp and let
748        //all the RGB layers compose in FB
749        //Destination over
750        mCurrentFrame.fbZ = -1;
751        if(mCurrentFrame.fbCount)
752            mCurrentFrame.fbZ = ctx->listStats[mDpy].yuvCount;
753
754        mCurrentFrame.map();
755        if(!programYUV(ctx, list)) {
756            mCurrentFrame.reset(numLayers);
757            mCachedFrame.cacheAll(list);
758        }
759    } else {
760        mCurrentFrame.reset(numLayers);
761        mCachedFrame.cacheAll(list);
762    }
763
764    //UpdateLayerFlags
765    setMDPCompLayerFlags(ctx, list);
766    mCachedFrame.updateCounts(mCurrentFrame);
767
768    if(isDebug()) {
769        ALOGD("GEOMETRY change: %d", (list->flags & HWC_GEOMETRY_CHANGED));
770        android::String8 sDump("");
771        dump(sDump);
772        ALOGE("%s",sDump.string());
773    }
774
775    return mCurrentFrame.fbZ;
776}
777
778//=============MDPCompLowRes===================================================
779
780/*
781 * Configures pipe(s) for MDP composition
782 */
783int MDPCompLowRes::configure(hwc_context_t *ctx, hwc_layer_1_t *layer,
784                             PipeLayerPair& PipeLayerPair) {
785    MdpPipeInfoLowRes& mdp_info =
786        *(static_cast<MdpPipeInfoLowRes*>(PipeLayerPair.pipeInfo));
787    eMdpFlags mdpFlags = OV_MDP_BACKEND_COMPOSITION;
788    eZorder zOrder = static_cast<eZorder>(mdp_info.zOrder);
789    eIsFg isFg = IS_FG_OFF;
790    eDest dest = mdp_info.index;
791
792    ALOGD_IF(isDebug(),"%s: configuring: layer: %p z_order: %d dest_pipe: %d",
793             __FUNCTION__, layer, zOrder, dest);
794
795    return configureLowRes(ctx, layer, mDpy, mdpFlags, zOrder, isFg, dest,
796                           &PipeLayerPair.rot);
797}
798
799int MDPCompLowRes::pipesNeeded(hwc_context_t *ctx,
800                               hwc_display_contents_1_t* list) {
801    return mCurrentFrame.mdpCount;
802}
803
804bool MDPCompLowRes::allocLayerPipes(hwc_context_t *ctx,
805                                    hwc_display_contents_1_t* list) {
806    if(isYuvPresent(ctx, mDpy)) {
807        int nYuvCount = ctx->listStats[mDpy].yuvCount;
808
809        for(int index = 0; index < nYuvCount ; index ++) {
810            int nYuvIndex = ctx->listStats[mDpy].yuvIndices[index];
811
812            if(mCurrentFrame.isFBComposed[nYuvIndex])
813                continue;
814
815            hwc_layer_1_t* layer = &list->hwLayers[nYuvIndex];
816
817            int mdpIndex = mCurrentFrame.layerToMDP[nYuvIndex];
818
819            PipeLayerPair& info = mCurrentFrame.mdpToLayer[mdpIndex];
820            info.pipeInfo = new MdpPipeInfoLowRes;
821            info.rot = NULL;
822            MdpPipeInfoLowRes& pipe_info = *(MdpPipeInfoLowRes*)info.pipeInfo;
823
824            pipe_info.index = getMdpPipe(ctx, MDPCOMP_OV_VG);
825            if(pipe_info.index == ovutils::OV_INVALID) {
826                ALOGD_IF(isDebug(), "%s: Unable to get pipe for Videos",
827                         __FUNCTION__);
828                return false;
829            }
830        }
831    }
832
833    for(int index = 0 ; index < mCurrentFrame.layerCount; index++ ) {
834        if(mCurrentFrame.isFBComposed[index]) continue;
835        hwc_layer_1_t* layer = &list->hwLayers[index];
836        private_handle_t *hnd = (private_handle_t *)layer->handle;
837
838        if(isYuvBuffer(hnd))
839            continue;
840
841        int mdpIndex = mCurrentFrame.layerToMDP[index];
842
843        PipeLayerPair& info = mCurrentFrame.mdpToLayer[mdpIndex];
844        info.pipeInfo = new MdpPipeInfoLowRes;
845        info.rot = NULL;
846        MdpPipeInfoLowRes& pipe_info = *(MdpPipeInfoLowRes*)info.pipeInfo;
847
848        ePipeType type = MDPCOMP_OV_ANY;
849
850        if(!qhwc::needsScaling(layer) && !ctx->mNeedsRotator
851           && ctx->mMDP.version >= qdutils::MDSS_V5) {
852            type = MDPCOMP_OV_DMA;
853        }
854
855        pipe_info.index = getMdpPipe(ctx, type);
856        if(pipe_info.index == ovutils::OV_INVALID) {
857            ALOGD_IF(isDebug(), "%s: Unable to get pipe for UI", __FUNCTION__);
858            return false;
859        }
860    }
861    return true;
862}
863
864bool MDPCompLowRes::draw(hwc_context_t *ctx, hwc_display_contents_1_t* list) {
865
866    if(!isEnabled()) {
867        ALOGD_IF(isDebug(),"%s: MDP Comp not configured", __FUNCTION__);
868        return true;
869    }
870
871    if(!ctx || !list) {
872        ALOGE("%s: invalid contxt or list",__FUNCTION__);
873        return false;
874    }
875
876    /* reset Invalidator */
877    if(idleInvalidator && !sIdleFallBack && mCurrentFrame.mdpCount)
878        idleInvalidator->markForSleep();
879
880    overlay::Overlay& ov = *ctx->mOverlay;
881    LayerProp *layerProp = ctx->layerProp[mDpy];
882
883    int numHwLayers = ctx->listStats[mDpy].numAppLayers;
884    for(int i = 0; i < numHwLayers && mCurrentFrame.mdpCount; i++ )
885    {
886        if(mCurrentFrame.isFBComposed[i]) continue;
887
888        hwc_layer_1_t *layer = &list->hwLayers[i];
889        private_handle_t *hnd = (private_handle_t *)layer->handle;
890        if(!hnd) {
891            ALOGE("%s handle null", __FUNCTION__);
892            return false;
893        }
894
895        int mdpIndex = mCurrentFrame.layerToMDP[i];
896
897        MdpPipeInfoLowRes& pipe_info =
898            *(MdpPipeInfoLowRes*)mCurrentFrame.mdpToLayer[mdpIndex].pipeInfo;
899        ovutils::eDest dest = pipe_info.index;
900        if(dest == ovutils::OV_INVALID) {
901            ALOGE("%s: Invalid pipe index (%d)", __FUNCTION__, dest);
902            return false;
903        }
904
905        if(!(layerProp[i].mFlags & HWC_MDPCOMP)) {
906            continue;
907        }
908
909        ALOGD_IF(isDebug(),"%s: MDP Comp: Drawing layer: %p hnd: %p \
910                 using  pipe: %d", __FUNCTION__, layer,
911                 hnd, dest );
912
913        int fd = hnd->fd;
914        uint32_t offset = hnd->offset;
915        Rotator *rot = mCurrentFrame.mdpToLayer[mdpIndex].rot;
916        if(rot) {
917            if(!rot->queueBuffer(fd, offset))
918                return false;
919            fd = rot->getDstMemId();
920            offset = rot->getDstOffset();
921        }
922
923        if (!ov.queueBuffer(fd, offset, dest)) {
924            ALOGE("%s: queueBuffer failed for external", __FUNCTION__);
925            return false;
926        }
927
928        layerProp[i].mFlags &= ~HWC_MDPCOMP;
929    }
930    return true;
931}
932
933//=============MDPCompHighRes===================================================
934
935int MDPCompHighRes::pipesNeeded(hwc_context_t *ctx,
936                                hwc_display_contents_1_t* list) {
937    int pipesNeeded = 0;
938    int hw_w = ctx->dpyAttr[mDpy].xres;
939
940    for(int i = 0; i < mCurrentFrame.layerCount; ++i) {
941        if(!mCurrentFrame.isFBComposed[i]) {
942            hwc_layer_1_t* layer = &list->hwLayers[i];
943            hwc_rect_t dst = layer->displayFrame;
944            if(dst.left > hw_w/2) {
945                pipesNeeded++;
946            } else if(dst.right <= hw_w/2) {
947                pipesNeeded++;
948            } else {
949                pipesNeeded += 2;
950            }
951        }
952    }
953    return pipesNeeded;
954}
955
956bool MDPCompHighRes::acquireMDPPipes(hwc_context_t *ctx, hwc_layer_1_t* layer,
957                                     MdpPipeInfoHighRes& pipe_info,
958                                     ePipeType type) {
959    int hw_w = ctx->dpyAttr[mDpy].xres;
960
961    hwc_rect_t dst = layer->displayFrame;
962    if(dst.left > hw_w/2) {
963        pipe_info.lIndex = ovutils::OV_INVALID;
964        pipe_info.rIndex = getMdpPipe(ctx, type);
965        if(pipe_info.rIndex == ovutils::OV_INVALID)
966            return false;
967    } else if (dst.right <= hw_w/2) {
968        pipe_info.rIndex = ovutils::OV_INVALID;
969        pipe_info.lIndex = getMdpPipe(ctx, type);
970        if(pipe_info.lIndex == ovutils::OV_INVALID)
971            return false;
972    } else {
973        pipe_info.rIndex = getMdpPipe(ctx, type);
974        pipe_info.lIndex = getMdpPipe(ctx, type);
975        if(pipe_info.rIndex == ovutils::OV_INVALID ||
976           pipe_info.lIndex == ovutils::OV_INVALID)
977            return false;
978    }
979    return true;
980}
981
982bool MDPCompHighRes::allocLayerPipes(hwc_context_t *ctx,
983                                     hwc_display_contents_1_t* list) {
984    overlay::Overlay& ov = *ctx->mOverlay;
985    int layer_count = ctx->listStats[mDpy].numAppLayers;
986
987    if(isYuvPresent(ctx, mDpy)) {
988        int nYuvCount = ctx->listStats[mDpy].yuvCount;
989
990        for(int index = 0; index < nYuvCount; index ++) {
991            int nYuvIndex = ctx->listStats[mDpy].yuvIndices[index];
992            hwc_layer_1_t* layer = &list->hwLayers[nYuvIndex];
993            PipeLayerPair& info = mCurrentFrame.mdpToLayer[nYuvIndex];
994            info.pipeInfo = new MdpPipeInfoHighRes;
995            info.rot = NULL;
996            MdpPipeInfoHighRes& pipe_info = *(MdpPipeInfoHighRes*)info.pipeInfo;
997            if(!acquireMDPPipes(ctx, layer, pipe_info,MDPCOMP_OV_VG)) {
998                ALOGD_IF(isDebug(),"%s: Unable to get pipe for videos",
999                         __FUNCTION__);
1000                //TODO: windback pipebook data on fail
1001                return false;
1002            }
1003            pipe_info.zOrder = nYuvIndex;
1004        }
1005    }
1006
1007    for(int index = 0 ; index < layer_count ; index++ ) {
1008        hwc_layer_1_t* layer = &list->hwLayers[index];
1009        private_handle_t *hnd = (private_handle_t *)layer->handle;
1010
1011        if(isYuvBuffer(hnd))
1012            continue;
1013
1014        PipeLayerPair& info = mCurrentFrame.mdpToLayer[index];
1015        info.pipeInfo = new MdpPipeInfoHighRes;
1016        info.rot = NULL;
1017        MdpPipeInfoHighRes& pipe_info = *(MdpPipeInfoHighRes*)info.pipeInfo;
1018
1019        ePipeType type = MDPCOMP_OV_ANY;
1020
1021        if(!qhwc::needsScaling(layer) && !ctx->mNeedsRotator
1022           && ctx->mMDP.version >= qdutils::MDSS_V5)
1023            type = MDPCOMP_OV_DMA;
1024
1025        if(!acquireMDPPipes(ctx, layer, pipe_info, type)) {
1026            ALOGD_IF(isDebug(), "%s: Unable to get pipe for UI", __FUNCTION__);
1027            //TODO: windback pipebook data on fail
1028            return false;
1029        }
1030        pipe_info.zOrder = index;
1031    }
1032    return true;
1033}
1034/*
1035 * Configures pipe(s) for MDP composition
1036 */
1037int MDPCompHighRes::configure(hwc_context_t *ctx, hwc_layer_1_t *layer,
1038                              PipeLayerPair& PipeLayerPair) {
1039    MdpPipeInfoHighRes& mdp_info =
1040        *(static_cast<MdpPipeInfoHighRes*>(PipeLayerPair.pipeInfo));
1041    eZorder zOrder = static_cast<eZorder>(mdp_info.zOrder);
1042    eIsFg isFg = IS_FG_OFF;
1043    eMdpFlags mdpFlagsL = OV_MDP_BACKEND_COMPOSITION;
1044    eDest lDest = mdp_info.lIndex;
1045    eDest rDest = mdp_info.rIndex;
1046
1047    ALOGD_IF(isDebug(),"%s: configuring: layer: %p z_order: %d dest_pipeL: %d"
1048             "dest_pipeR: %d",__FUNCTION__, layer, zOrder, lDest, rDest);
1049
1050    return configureHighRes(ctx, layer, mDpy, mdpFlagsL, zOrder, isFg, lDest,
1051                            rDest, &PipeLayerPair.rot);
1052}
1053
1054bool MDPCompHighRes::draw(hwc_context_t *ctx, hwc_display_contents_1_t* list) {
1055
1056    if(!isEnabled()) {
1057        ALOGD_IF(isDebug(),"%s: MDP Comp not configured", __FUNCTION__);
1058        return true;
1059    }
1060
1061    if(!ctx || !list) {
1062        ALOGE("%s: invalid contxt or list",__FUNCTION__);
1063        return false;
1064    }
1065
1066    /* reset Invalidator */
1067    if(idleInvalidator && !sIdleFallBack && mCurrentFrame.mdpCount)
1068        idleInvalidator->markForSleep();
1069
1070    overlay::Overlay& ov = *ctx->mOverlay;
1071    LayerProp *layerProp = ctx->layerProp[mDpy];
1072
1073    int numHwLayers = ctx->listStats[mDpy].numAppLayers;
1074    for(int i = 0; i < numHwLayers && mCurrentFrame.mdpCount; i++ )
1075    {
1076        if(mCurrentFrame.isFBComposed[i]) continue;
1077
1078        hwc_layer_1_t *layer = &list->hwLayers[i];
1079        private_handle_t *hnd = (private_handle_t *)layer->handle;
1080        if(!hnd) {
1081            ALOGE("%s handle null", __FUNCTION__);
1082            return false;
1083        }
1084
1085        if(!(layerProp[i].mFlags & HWC_MDPCOMP)) {
1086            continue;
1087        }
1088
1089        int mdpIndex = mCurrentFrame.layerToMDP[i];
1090
1091        MdpPipeInfoHighRes& pipe_info =
1092            *(MdpPipeInfoHighRes*)mCurrentFrame.mdpToLayer[mdpIndex].pipeInfo;
1093        Rotator *rot = mCurrentFrame.mdpToLayer[mdpIndex].rot;
1094
1095        ovutils::eDest indexL = pipe_info.lIndex;
1096        ovutils::eDest indexR = pipe_info.rIndex;
1097
1098        int fd = hnd->fd;
1099        int offset = hnd->offset;
1100
1101        if(rot) {
1102            rot->queueBuffer(fd, offset);
1103            fd = rot->getDstMemId();
1104            offset = rot->getDstOffset();
1105        }
1106
1107        //************* play left mixer **********
1108        if(indexL != ovutils::OV_INVALID) {
1109            ovutils::eDest destL = (ovutils::eDest)indexL;
1110            ALOGD_IF(isDebug(),"%s: MDP Comp: Drawing layer: %p hnd: %p \
1111                     using  pipe: %d", __FUNCTION__, layer, hnd, indexL );
1112            if (!ov.queueBuffer(fd, offset, destL)) {
1113                ALOGE("%s: queueBuffer failed for left mixer", __FUNCTION__);
1114                return false;
1115            }
1116        }
1117
1118        //************* play right mixer **********
1119        if(indexR != ovutils::OV_INVALID) {
1120            ovutils::eDest destR = (ovutils::eDest)indexR;
1121            ALOGD_IF(isDebug(),"%s: MDP Comp: Drawing layer: %p hnd: %p \
1122                     using  pipe: %d", __FUNCTION__, layer, hnd, indexR );
1123            if (!ov.queueBuffer(fd, offset, destR)) {
1124                ALOGE("%s: queueBuffer failed for right mixer", __FUNCTION__);
1125                return false;
1126            }
1127        }
1128
1129        layerProp[i].mFlags &= ~HWC_MDPCOMP;
1130    }
1131
1132    return true;
1133}
1134}; //namespace
1135
1136