1 /*
2 * Copyright (C) 2010 The Android Open Source Project
3 * Copyright (C) 2012-2013, The Linux Foundation All rights reserved.
4 *
5 * Not a Contribution, Apache license notifications and license are retained
6 * for attribution purposes only.
7 *
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 */
20 #define HWC_UTILS_DEBUG 0
21 #include <sys/ioctl.h>
22 #include <binder/IServiceManager.h>
23 #include <EGL/egl.h>
24 #include <cutils/properties.h>
25 #include <gralloc_priv.h>
26 #include <overlay.h>
27 #include <overlayRotator.h>
28 #include "hwc_utils.h"
29 #include "hwc_mdpcomp.h"
30 #include "hwc_fbupdate.h"
31 #include "mdp_version.h"
32 #include "hwc_copybit.h"
33 #include "external.h"
34 #include "hwc_qclient.h"
35 #include "QService.h"
36 #include "comptype.h"
37
38 using namespace qClient;
39 using namespace qService;
40 using namespace android;
41 using namespace overlay;
42 using namespace overlay::utils;
43 namespace ovutils = overlay::utils;
44
45 namespace qhwc {
46
openFramebufferDevice(hwc_context_t * ctx)47 static int openFramebufferDevice(hwc_context_t *ctx)
48 {
49 struct fb_fix_screeninfo finfo;
50 struct fb_var_screeninfo info;
51
52 int fb_fd = openFb(HWC_DISPLAY_PRIMARY);
53
54 if (ioctl(fb_fd, FBIOGET_VSCREENINFO, &info) == -1)
55 return -errno;
56
57 if (int(info.width) <= 0 || int(info.height) <= 0) {
58 // the driver doesn't return that information
59 // default to 160 dpi
60 info.width = ((info.xres * 25.4f)/160.0f + 0.5f);
61 info.height = ((info.yres * 25.4f)/160.0f + 0.5f);
62 }
63
64 float xdpi = (info.xres * 25.4f) / info.width;
65 float ydpi = (info.yres * 25.4f) / info.height;
66
67 #ifdef MSMFB_METADATA_GET
68 struct msmfb_metadata metadata;
69 memset(&metadata, 0 , sizeof(metadata));
70 metadata.op = metadata_op_frame_rate;
71
72 if (ioctl(fb_fd, MSMFB_METADATA_GET, &metadata) == -1) {
73 ALOGE("Error retrieving panel frame rate");
74 return -errno;
75 }
76
77 float fps = metadata.data.panel_frame_rate;
78 #else
79 //XXX: Remove reserved field usage on all baselines
80 //The reserved[3] field is used to store FPS by the driver.
81 float fps = info.reserved[3] & 0xFF;
82 #endif
83
84 if (ioctl(fb_fd, FBIOGET_FSCREENINFO, &finfo) == -1)
85 return -errno;
86
87 if (finfo.smem_len <= 0)
88 return -errno;
89
90 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = fb_fd;
91 //xres, yres may not be 32 aligned
92 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].stride = finfo.line_length /(info.xres/8);
93 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres = info.xres;
94 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres = info.yres;
95 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xdpi = xdpi;
96 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].ydpi = ydpi;
97 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].vsync_period = 1000000000l / fps;
98
99 //Unblank primary on first boot
100 if(ioctl(fb_fd, FBIOBLANK,FB_BLANK_UNBLANK) < 0) {
101 ALOGE("%s: Failed to unblank display", __FUNCTION__);
102 return -errno;
103 }
104 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].isActive = true;
105
106 return 0;
107 }
108
initContext(hwc_context_t * ctx)109 void initContext(hwc_context_t *ctx)
110 {
111 if(openFramebufferDevice(ctx) < 0) {
112 ALOGE("%s: failed to open framebuffer!!", __FUNCTION__);
113 }
114
115 overlay::Overlay::initOverlay();
116 ctx->mOverlay = overlay::Overlay::getInstance();
117 ctx->mRotMgr = new RotMgr();
118 ctx->mMDP.version = qdutils::MDPVersion::getInstance().getMDPVersion();
119 ctx->mMDP.hasOverlay = qdutils::MDPVersion::getInstance().hasOverlay();
120 ctx->mMDP.panel = qdutils::MDPVersion::getInstance().getPanelType();
121 overlay::Overlay::initOverlay();
122 ctx->mOverlay = overlay::Overlay::getInstance();
123 ctx->mRotMgr = new RotMgr();
124
125 //Is created and destroyed only once for primary
126 //For external it could get created and destroyed multiple times depending
127 //on what external we connect to.
128 ctx->mFBUpdate[HWC_DISPLAY_PRIMARY] =
129 IFBUpdate::getObject(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres,
130 HWC_DISPLAY_PRIMARY);
131
132 // Check if the target supports copybit compostion (dyn/mdp/c2d) to
133 // decide if we need to open the copybit module.
134 int compositionType =
135 qdutils::QCCompositionType::getInstance().getCompositionType();
136
137 if (compositionType & (qdutils::COMPOSITION_TYPE_DYN |
138 qdutils::COMPOSITION_TYPE_MDP |
139 qdutils::COMPOSITION_TYPE_C2D)) {
140 ctx->mCopyBit[HWC_DISPLAY_PRIMARY] = new CopyBit();
141 }
142
143 ctx->mExtDisplay = new ExternalDisplay(ctx);
144
145 for (uint32_t i = 0; i < MAX_DISPLAYS; i++) {
146 ctx->mLayerRotMap[i] = new LayerRotMap();
147 }
148
149 ctx->mMDPComp[HWC_DISPLAY_PRIMARY] =
150 MDPComp::getObject(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres,
151 HWC_DISPLAY_PRIMARY);
152
153 MDPComp::init(ctx);
154
155 ctx->vstate.enable = false;
156 ctx->vstate.fakevsync = false;
157 ctx->mExtDispConfiguring = false;
158 ctx->mBasePipeSetup = false;
159
160 //Right now hwc starts the service but anybody could do it, or it could be
161 //independent process as well.
162 QService::init();
163 sp<IQClient> client = new QClient(ctx);
164 interface_cast<IQService>(
165 defaultServiceManager()->getService(
166 String16("display.qservice")))->connect(client);
167
168 ALOGI("Initializing Qualcomm Hardware Composer");
169 ALOGI("MDP version: %d", ctx->mMDP.version);
170 }
171
closeContext(hwc_context_t * ctx)172 void closeContext(hwc_context_t *ctx)
173 {
174 if(ctx->mOverlay) {
175 delete ctx->mOverlay;
176 ctx->mOverlay = NULL;
177 }
178
179 if(ctx->mRotMgr) {
180 delete ctx->mRotMgr;
181 ctx->mRotMgr = NULL;
182 }
183
184 for(int i = 0; i < MAX_DISPLAYS; i++) {
185 if(ctx->mCopyBit[i]) {
186 delete ctx->mCopyBit[i];
187 ctx->mCopyBit[i] = NULL;
188 }
189 }
190
191 if(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd) {
192 close(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd);
193 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = -1;
194 }
195
196 if(ctx->mExtDisplay) {
197 delete ctx->mExtDisplay;
198 ctx->mExtDisplay = NULL;
199 }
200
201 for(int i = 0; i < MAX_DISPLAYS; i++) {
202 if(ctx->mFBUpdate[i]) {
203 delete ctx->mFBUpdate[i];
204 ctx->mFBUpdate[i] = NULL;
205 }
206 if(ctx->mMDPComp[i]) {
207 delete ctx->mMDPComp[i];
208 ctx->mMDPComp[i] = NULL;
209 }
210 if(ctx->mLayerRotMap[i]) {
211 delete ctx->mLayerRotMap[i];
212 ctx->mLayerRotMap[i] = NULL;
213 }
214 }
215 }
216
217
dumpsys_log(android::String8 & buf,const char * fmt,...)218 void dumpsys_log(android::String8& buf, const char* fmt, ...)
219 {
220 va_list varargs;
221 va_start(varargs, fmt);
222 buf.appendFormatV(fmt, varargs);
223 va_end(varargs);
224 }
225
226 /* Calculates the destination position based on the action safe rectangle */
getActionSafePosition(hwc_context_t * ctx,int dpy,uint32_t & x,uint32_t & y,uint32_t & w,uint32_t & h)227 void getActionSafePosition(hwc_context_t *ctx, int dpy, uint32_t& x,
228 uint32_t& y, uint32_t& w, uint32_t& h) {
229
230 // if external supports underscan, do nothing
231 // it will be taken care in the driver
232 if(ctx->mExtDisplay->isCEUnderscanSupported())
233 return;
234
235 float wRatio = 1.0;
236 float hRatio = 1.0;
237 float xRatio = 1.0;
238 float yRatio = 1.0;
239
240 float fbWidth = ctx->dpyAttr[dpy].xres;
241 float fbHeight = ctx->dpyAttr[dpy].yres;
242
243 float asX = 0;
244 float asY = 0;
245 float asW = fbWidth;
246 float asH= fbHeight;
247 char value[PROPERTY_VALUE_MAX];
248
249 // Apply action safe parameters
250 property_get("hw.actionsafe.width", value, "0");
251 int asWidthRatio = atoi(value);
252 property_get("hw.actionsafe.height", value, "0");
253 int asHeightRatio = atoi(value);
254 // based on the action safe ratio, get the Action safe rectangle
255 asW = fbWidth * (1.0f - asWidthRatio / 100.0f);
256 asH = fbHeight * (1.0f - asHeightRatio / 100.0f);
257 asX = (fbWidth - asW) / 2;
258 asY = (fbHeight - asH) / 2;
259
260 // calculate the position ratio
261 xRatio = (float)x/fbWidth;
262 yRatio = (float)y/fbHeight;
263 wRatio = (float)w/fbWidth;
264 hRatio = (float)h/fbHeight;
265
266 //Calculate the position...
267 x = (xRatio * asW) + asX;
268 y = (yRatio * asH) + asY;
269 w = (wRatio * asW);
270 h = (hRatio * asH);
271
272 return;
273 }
274
needsScaling(hwc_layer_1_t const * layer)275 bool needsScaling(hwc_layer_1_t const* layer) {
276 int dst_w, dst_h, src_w, src_h;
277
278 hwc_rect_t displayFrame = layer->displayFrame;
279 hwc_rect_t sourceCrop = layer->sourceCrop;
280
281 dst_w = displayFrame.right - displayFrame.left;
282 dst_h = displayFrame.bottom - displayFrame.top;
283
284 src_w = sourceCrop.right - sourceCrop.left;
285 src_h = sourceCrop.bottom - sourceCrop.top;
286
287 if(((src_w != dst_w) || (src_h != dst_h)))
288 return true;
289
290 return false;
291 }
292
isAlphaScaled(hwc_layer_1_t const * layer)293 bool isAlphaScaled(hwc_layer_1_t const* layer) {
294 if(needsScaling(layer) && isAlphaPresent(layer)) {
295 return true;
296 }
297 return false;
298 }
299
isAlphaPresent(hwc_layer_1_t const * layer)300 bool isAlphaPresent(hwc_layer_1_t const* layer) {
301 private_handle_t *hnd = (private_handle_t *)layer->handle;
302 if(hnd) {
303 int format = hnd->format;
304 switch(format) {
305 case HAL_PIXEL_FORMAT_RGBA_8888:
306 case HAL_PIXEL_FORMAT_BGRA_8888:
307 // In any more formats with Alpha go here..
308 return true;
309 default : return false;
310 }
311 }
312 return false;
313 }
314
315 // Let CABL know we have a YUV layer
setYUVProp(int yuvCount)316 static void setYUVProp(int yuvCount) {
317 static char property[PROPERTY_VALUE_MAX];
318 if(yuvCount > 0) {
319 if (property_get("hw.cabl.yuv", property, NULL) > 0) {
320 if (atoi(property) != 1) {
321 property_set("hw.cabl.yuv", "1");
322 }
323 }
324 } else {
325 if (property_get("hw.cabl.yuv", property, NULL) > 0) {
326 if (atoi(property) != 0) {
327 property_set("hw.cabl.yuv", "0");
328 }
329 }
330 }
331 }
332
setListStats(hwc_context_t * ctx,const hwc_display_contents_1_t * list,int dpy)333 void setListStats(hwc_context_t *ctx,
334 const hwc_display_contents_1_t *list, int dpy) {
335
336 ctx->listStats[dpy].numAppLayers = list->numHwLayers - 1;
337 ctx->listStats[dpy].fbLayerIndex = list->numHwLayers - 1;
338 ctx->listStats[dpy].skipCount = 0;
339 ctx->listStats[dpy].needsAlphaScale = false;
340 ctx->listStats[dpy].preMultipliedAlpha = false;
341 ctx->listStats[dpy].planeAlpha = false;
342 ctx->listStats[dpy].yuvCount = 0;
343
344 for (size_t i = 0; i < list->numHwLayers; i++) {
345 hwc_layer_1_t const* layer = &list->hwLayers[i];
346 private_handle_t *hnd = (private_handle_t *)layer->handle;
347
348 //reset stored yuv index
349 ctx->listStats[dpy].yuvIndices[i] = -1;
350
351 if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
352 continue;
353 //We disregard FB being skip for now! so the else if
354 } else if (isSkipLayer(&list->hwLayers[i])) {
355 ctx->listStats[dpy].skipCount++;
356 } else if (UNLIKELY(isYuvBuffer(hnd))) {
357 int& yuvCount = ctx->listStats[dpy].yuvCount;
358 ctx->listStats[dpy].yuvIndices[yuvCount] = i;
359 yuvCount++;
360
361 if(layer->transform & HWC_TRANSFORM_ROT_90)
362 ctx->mNeedsRotator = true;
363 }
364 if(layer->blending == HWC_BLENDING_PREMULT)
365 ctx->listStats[dpy].preMultipliedAlpha = true;
366 if(layer->planeAlpha < 0xFF)
367 ctx->listStats[dpy].planeAlpha = true;
368 if(!ctx->listStats[dpy].needsAlphaScale)
369 ctx->listStats[dpy].needsAlphaScale = isAlphaScaled(layer);
370 }
371 setYUVProp(ctx->listStats[dpy].yuvCount);
372 }
373
374
calc_cut(float & leftCutRatio,float & topCutRatio,float & rightCutRatio,float & bottomCutRatio,int orient)375 static inline void calc_cut(float& leftCutRatio, float& topCutRatio,
376 float& rightCutRatio, float& bottomCutRatio, int orient) {
377 if(orient & HAL_TRANSFORM_FLIP_H) {
378 swap(leftCutRatio, rightCutRatio);
379 }
380 if(orient & HAL_TRANSFORM_FLIP_V) {
381 swap(topCutRatio, bottomCutRatio);
382 }
383 if(orient & HAL_TRANSFORM_ROT_90) {
384 //Anti clock swapping
385 float tmpCutRatio = leftCutRatio;
386 leftCutRatio = topCutRatio;
387 topCutRatio = rightCutRatio;
388 rightCutRatio = bottomCutRatio;
389 bottomCutRatio = tmpCutRatio;
390 }
391 }
392
isSecuring(hwc_context_t * ctx,hwc_layer_1_t const * layer)393 bool isSecuring(hwc_context_t* ctx, hwc_layer_1_t const* layer) {
394 if((ctx->mMDP.version < qdutils::MDSS_V5) &&
395 (ctx->mMDP.version > qdutils::MDP_V3_0) &&
396 ctx->mSecuring) {
397 return true;
398 }
399 // On A-Family, Secure policy is applied system wide and not on
400 // buffers.
401 if (isSecureModePolicy(ctx->mMDP.version)) {
402 private_handle_t *hnd = (private_handle_t *)layer->handle;
403 if(ctx->mSecureMode) {
404 if (! isSecureBuffer(hnd)) {
405 // This code path executes for the following usecase:
406 // Some Apps in which first few seconds, framework
407 // sends non-secure buffer and with out destroying
408 // surfaces, switches to secure buffer thereby exposing
409 // vulnerability on A-family devices. Catch this situation
410 // and handle it gracefully by allowing it to be composed by
411 // GPU.
412 ALOGD_IF(HWC_UTILS_DEBUG, "%s: Handle non-secure video layer"
413 "during secure playback gracefully", __FUNCTION__);
414 return true;
415 }
416 } else {
417 if (isSecureBuffer(hnd)) {
418 // This code path executes for the following usecase:
419 // For some Apps, when User terminates playback, Framework
420 // doesnt destroy video surface and video surface still
421 // comes to Display HAL. This exposes vulnerability on
422 // A-family. Catch this situation and handle it gracefully
423 // by allowing it to be composed by GPU.
424 ALOGD_IF(HWC_UTILS_DEBUG, "%s: Handle secure video layer"
425 "during non-secure playback gracefully", __FUNCTION__);
426 return true;
427 }
428 }
429 }
430 return false;
431 }
432
isSecureModePolicy(int mdpVersion)433 bool isSecureModePolicy(int mdpVersion) {
434 if (mdpVersion < qdutils::MDSS_V5)
435 return true;
436 else
437 return false;
438 }
439
getBlending(int blending)440 int getBlending(int blending) {
441 switch(blending) {
442 case HWC_BLENDING_NONE:
443 return overlay::utils::OVERLAY_BLENDING_OPAQUE;
444 case HWC_BLENDING_PREMULT:
445 return overlay::utils::OVERLAY_BLENDING_PREMULT;
446 case HWC_BLENDING_COVERAGE :
447 default:
448 return overlay::utils::OVERLAY_BLENDING_COVERAGE;
449 }
450 }
451
452 //Crops source buffer against destination and FB boundaries
calculate_crop_rects(hwc_rect_t & crop,hwc_rect_t & dst,const hwc_rect_t & scissor,int orient)453 void calculate_crop_rects(hwc_rect_t& crop, hwc_rect_t& dst,
454 const hwc_rect_t& scissor, int orient) {
455
456 int& crop_l = crop.left;
457 int& crop_t = crop.top;
458 int& crop_r = crop.right;
459 int& crop_b = crop.bottom;
460 int crop_w = crop.right - crop.left;
461 int crop_h = crop.bottom - crop.top;
462
463 int& dst_l = dst.left;
464 int& dst_t = dst.top;
465 int& dst_r = dst.right;
466 int& dst_b = dst.bottom;
467 int dst_w = abs(dst.right - dst.left);
468 int dst_h = abs(dst.bottom - dst.top);
469
470 const int& sci_l = scissor.left;
471 const int& sci_t = scissor.top;
472 const int& sci_r = scissor.right;
473 const int& sci_b = scissor.bottom;
474 int sci_w = abs(sci_r - sci_l);
475 int sci_h = abs(sci_b - sci_t);
476
477 float leftCutRatio = 0.0f, rightCutRatio = 0.0f, topCutRatio = 0.0f,
478 bottomCutRatio = 0.0f;
479
480 if(dst_l < sci_l) {
481 leftCutRatio = (float)(sci_l - dst_l) / (float)dst_w;
482 dst_l = sci_l;
483 }
484
485 if(dst_r > sci_r) {
486 rightCutRatio = (float)(dst_r - sci_r) / (float)dst_w;
487 dst_r = sci_r;
488 }
489
490 if(dst_t < sci_t) {
491 topCutRatio = (float)(sci_t - dst_t) / (float)dst_h;
492 dst_t = sci_t;
493 }
494
495 if(dst_b > sci_b) {
496 bottomCutRatio = (float)(dst_b - sci_b) / (float)dst_h;
497 dst_b = sci_b;
498 }
499
500 calc_cut(leftCutRatio, topCutRatio, rightCutRatio, bottomCutRatio, orient);
501 crop_l += crop_w * leftCutRatio;
502 crop_t += crop_h * topCutRatio;
503 crop_r -= crop_w * rightCutRatio;
504 crop_b -= crop_h * bottomCutRatio;
505 }
506
getNonWormholeRegion(hwc_display_contents_1_t * list,hwc_rect_t & nwr)507 void getNonWormholeRegion(hwc_display_contents_1_t* list,
508 hwc_rect_t& nwr)
509 {
510 uint32_t last = list->numHwLayers - 1;
511 hwc_rect_t fbDisplayFrame = list->hwLayers[last].displayFrame;
512 //Initiliaze nwr to first frame
513 nwr.left = list->hwLayers[0].displayFrame.left;
514 nwr.top = list->hwLayers[0].displayFrame.top;
515 nwr.right = list->hwLayers[0].displayFrame.right;
516 nwr.bottom = list->hwLayers[0].displayFrame.bottom;
517
518 for (uint32_t i = 1; i < last; i++) {
519 hwc_rect_t displayFrame = list->hwLayers[i].displayFrame;
520 nwr.left = min(nwr.left, displayFrame.left);
521 nwr.top = min(nwr.top, displayFrame.top);
522 nwr.right = max(nwr.right, displayFrame.right);
523 nwr.bottom = max(nwr.bottom, displayFrame.bottom);
524 }
525
526 //Intersect with the framebuffer
527 nwr.left = max(nwr.left, fbDisplayFrame.left);
528 nwr.top = max(nwr.top, fbDisplayFrame.top);
529 nwr.right = min(nwr.right, fbDisplayFrame.right);
530 nwr.bottom = min(nwr.bottom, fbDisplayFrame.bottom);
531
532 }
533
isExternalActive(hwc_context_t * ctx)534 bool isExternalActive(hwc_context_t* ctx) {
535 return ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].isActive;
536 }
537
closeAcquireFds(hwc_display_contents_1_t * list)538 void closeAcquireFds(hwc_display_contents_1_t* list) {
539 if(LIKELY(list)) {
540 for(uint32_t i = 0; i < list->numHwLayers; i++) {
541 //Close the acquireFenceFds
542 //HWC_FRAMEBUFFER are -1 already by SF, rest we close.
543 if(list->hwLayers[i].acquireFenceFd >= 0) {
544 close(list->hwLayers[i].acquireFenceFd);
545 list->hwLayers[i].acquireFenceFd = -1;
546 }
547 }
548 }
549 }
550
hwc_sync(hwc_context_t * ctx,hwc_display_contents_1_t * list,int dpy,int fd)551 int hwc_sync(hwc_context_t *ctx, hwc_display_contents_1_t* list, int dpy,
552 int fd) {
553 int ret = 0;
554
555 int acquireFd[MAX_NUM_LAYERS];
556 int count = 0;
557 int releaseFd = -1;
558 int fbFd = -1;
559 int rotFd = -1;
560 bool swapzero = false;
561 int mdpVersion = qdutils::MDPVersion::getInstance().getMDPVersion();
562
563 struct mdp_buf_sync data;
564 memset(&data, 0, sizeof(data));
565 //Until B-family supports sync for rotator
566 if(mdpVersion >= qdutils::MDSS_V5) {
567 data.flags = MDP_BUF_SYNC_FLAG_WAIT;
568 }
569 data.acq_fen_fd = acquireFd;
570 data.rel_fen_fd = &releaseFd;
571
572 char property[PROPERTY_VALUE_MAX];
573 if(property_get("debug.egl.swapinterval", property, "1") > 0) {
574 if(atoi(property) == 0)
575 swapzero = true;
576 }
577
578 #ifndef MDSS_TARGET
579 //Send acquireFenceFds to rotator
580 if(mdpVersion < qdutils::MDSS_V5) {
581 //A-family
582 int rotFd = ctx->mRotMgr->getRotDevFd();
583 struct msm_rotator_buf_sync rotData;
584
585 for(uint32_t i = 0; i < ctx->mLayerRotMap[dpy]->getCount(); i++) {
586 memset(&rotData, 0, sizeof(rotData));
587 int& acquireFenceFd =
588 ctx->mLayerRotMap[dpy]->getLayer(i)->acquireFenceFd;
589 rotData.acq_fen_fd = acquireFenceFd;
590 rotData.session_id = ctx->mLayerRotMap[dpy]->getRot(i)->getSessId();
591 ioctl(rotFd, MSM_ROTATOR_IOCTL_BUFFER_SYNC, &rotData);
592 close(acquireFenceFd);
593 //For MDP to wait on.
594 acquireFenceFd = dup(rotData.rel_fen_fd);
595 //A buffer is free to be used by producer as soon as its copied to
596 //rotator.
597 ctx->mLayerRotMap[dpy]->getLayer(i)->releaseFenceFd =
598 rotData.rel_fen_fd;
599 }
600 } else {
601 //TODO B-family
602 }
603
604 #endif
605 //Accumulate acquireFenceFds for MDP
606 for(uint32_t i = 0; i < list->numHwLayers; i++) {
607 if(list->hwLayers[i].compositionType == HWC_OVERLAY &&
608 list->hwLayers[i].acquireFenceFd >= 0) {
609 if(UNLIKELY(swapzero))
610 acquireFd[count++] = -1;
611 else
612 acquireFd[count++] = list->hwLayers[i].acquireFenceFd;
613 }
614 if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
615 if(UNLIKELY(swapzero))
616 acquireFd[count++] = -1;
617 else if(fd >= 0) {
618 //set the acquireFD from fd - which is coming from c2d
619 acquireFd[count++] = fd;
620 // Buffer sync IOCTL should be async when using c2d fence is
621 // used
622 data.flags &= ~MDP_BUF_SYNC_FLAG_WAIT;
623 } else if(list->hwLayers[i].acquireFenceFd >= 0)
624 acquireFd[count++] = list->hwLayers[i].acquireFenceFd;
625 }
626 }
627
628 data.acq_fen_fd_cnt = count;
629 fbFd = ctx->dpyAttr[dpy].fd;
630
631 //Waits for acquire fences, returns a release fence
632 if(LIKELY(!swapzero)) {
633 uint64_t start = systemTime();
634 ret = ioctl(fbFd, MSMFB_BUFFER_SYNC, &data);
635 ALOGD_IF(HWC_UTILS_DEBUG, "%s: time taken for MSMFB_BUFFER_SYNC IOCTL = %d",
636 __FUNCTION__, (size_t) ns2ms(systemTime() - start));
637 }
638
639 if(ret < 0) {
640 ALOGE("ioctl MSMFB_BUFFER_SYNC failed, err=%s",
641 strerror(errno));
642 }
643
644 for(uint32_t i = 0; i < list->numHwLayers; i++) {
645 if(list->hwLayers[i].compositionType == HWC_OVERLAY ||
646 list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
647 //Populate releaseFenceFds.
648 if(UNLIKELY(swapzero)) {
649 list->hwLayers[i].releaseFenceFd = -1;
650 } else if(list->hwLayers[i].releaseFenceFd < 0) {
651 //If rotator has not already populated this field.
652 list->hwLayers[i].releaseFenceFd = dup(releaseFd);
653 }
654 }
655 }
656
657 if(fd >= 0) {
658 close(fd);
659 fd = -1;
660 }
661
662 if (ctx->mCopyBit[dpy])
663 ctx->mCopyBit[dpy]->setReleaseFd(releaseFd);
664
665 //A-family
666 if(mdpVersion < qdutils::MDSS_V5) {
667 //Signals when MDP finishes reading rotator buffers.
668 ctx->mLayerRotMap[dpy]->setReleaseFd(releaseFd);
669 }
670
671 if(UNLIKELY(swapzero)){
672 list->retireFenceFd = -1;
673 close(releaseFd);
674 } else {
675 list->retireFenceFd = releaseFd;
676 }
677
678 return ret;
679 }
680
trimLayer(hwc_context_t * ctx,const int & dpy,const int & transform,hwc_rect_t & crop,hwc_rect_t & dst)681 void trimLayer(hwc_context_t *ctx, const int& dpy, const int& transform,
682 hwc_rect_t& crop, hwc_rect_t& dst) {
683 int hw_w = ctx->dpyAttr[dpy].xres;
684 int hw_h = ctx->dpyAttr[dpy].yres;
685 if(dst.left < 0 || dst.top < 0 ||
686 dst.right > hw_w || dst.bottom > hw_h) {
687 hwc_rect_t scissor = {0, 0, hw_w, hw_h };
688 qhwc::calculate_crop_rects(crop, dst, scissor, transform);
689 }
690 }
691
setMdpFlags(hwc_layer_1_t * layer,ovutils::eMdpFlags & mdpFlags,int rotDownscale)692 void setMdpFlags(hwc_layer_1_t *layer,
693 ovutils::eMdpFlags &mdpFlags,
694 int rotDownscale) {
695 private_handle_t *hnd = (private_handle_t *)layer->handle;
696 MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
697 const int& transform = layer->transform;
698
699 if(layer->blending == HWC_BLENDING_PREMULT) {
700 ovutils::setMdpFlags(mdpFlags,
701 ovutils::OV_MDP_BLEND_FG_PREMULT);
702 }
703
704 if(isYuvBuffer(hnd)) {
705 if(isSecureBuffer(hnd)) {
706 ovutils::setMdpFlags(mdpFlags,
707 ovutils::OV_MDP_SECURE_OVERLAY_SESSION);
708 }
709 if(metadata && (metadata->operation & PP_PARAM_INTERLACED) &&
710 metadata->interlaced) {
711 ovutils::setMdpFlags(mdpFlags,
712 ovutils::OV_MDP_DEINTERLACE);
713 }
714 //Pre-rotation will be used using rotator.
715 if(transform & HWC_TRANSFORM_ROT_90) {
716 ovutils::setMdpFlags(mdpFlags,
717 ovutils::OV_MDP_SOURCE_ROTATED_90);
718 }
719 }
720
721 //No 90 component and no rot-downscale then flips done by MDP
722 //If we use rot then it might as well do flips
723 if(!(layer->transform & HWC_TRANSFORM_ROT_90) && !rotDownscale) {
724 if(layer->transform & HWC_TRANSFORM_FLIP_H) {
725 ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_FLIP_H);
726 }
727
728 if(layer->transform & HWC_TRANSFORM_FLIP_V) {
729 ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_FLIP_V);
730 }
731 }
732
733 if(metadata &&
734 ((metadata->operation & PP_PARAM_HSIC)
735 || (metadata->operation & PP_PARAM_IGC)
736 || (metadata->operation & PP_PARAM_SHARP2))) {
737 ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_PP_EN);
738 }
739 }
740
configRotator(Rotator * rot,const Whf & whf,const eMdpFlags & mdpFlags,const eTransform & orient,const int & downscale)741 static inline int configRotator(Rotator *rot, const Whf& whf,
742 const eMdpFlags& mdpFlags, const eTransform& orient,
743 const int& downscale) {
744 rot->setSource(whf);
745 rot->setFlags(mdpFlags);
746 rot->setTransform(orient);
747 rot->setDownscale(downscale);
748 if(!rot->commit()) return -1;
749 return 0;
750 }
751
752 /*
753 * Sets up BORDERFILL as default base pipe and detaches RGB0.
754 * Framebuffer is always updated using PLAY ioctl.
755 */
setupBasePipe(hwc_context_t * ctx)756 bool setupBasePipe(hwc_context_t *ctx) {
757 const int dpy = HWC_DISPLAY_PRIMARY;
758 int fb_stride = ctx->dpyAttr[dpy].stride;
759 int fb_width = ctx->dpyAttr[dpy].xres;
760 int fb_height = ctx->dpyAttr[dpy].yres;
761 int fb_fd = ctx->dpyAttr[dpy].fd;
762
763 mdp_overlay ovInfo;
764 msmfb_overlay_data ovData;
765 memset(&ovInfo, 0, sizeof(mdp_overlay));
766 memset(&ovData, 0, sizeof(msmfb_overlay_data));
767
768 ovInfo.src.format = MDP_RGB_BORDERFILL;
769 ovInfo.src.width = fb_width;
770 ovInfo.src.height = fb_height;
771 ovInfo.src_rect.w = fb_width;
772 ovInfo.src_rect.h = fb_height;
773 ovInfo.dst_rect.w = fb_width;
774 ovInfo.dst_rect.h = fb_height;
775 ovInfo.id = MSMFB_NEW_REQUEST;
776
777 if (ioctl(fb_fd, MSMFB_OVERLAY_SET, &ovInfo) < 0) {
778 ALOGE("Failed to call ioctl MSMFB_OVERLAY_SET err=%s",
779 strerror(errno));
780 return false;
781 }
782
783 ovData.id = ovInfo.id;
784 if (ioctl(fb_fd, MSMFB_OVERLAY_PLAY, &ovData) < 0) {
785 ALOGE("Failed to call ioctl MSMFB_OVERLAY_PLAY err=%s",
786 strerror(errno));
787 return false;
788 }
789 ctx->mBasePipeSetup = true;
790 return true;
791 }
792
793
configMdp(Overlay * ov,const PipeArgs & parg,const eTransform & orient,const hwc_rect_t & crop,const hwc_rect_t & pos,const MetaData_t * metadata,const eDest & dest)794 static inline int configMdp(Overlay *ov, const PipeArgs& parg,
795 const eTransform& orient, const hwc_rect_t& crop,
796 const hwc_rect_t& pos, const MetaData_t *metadata,
797 const eDest& dest) {
798 ov->setSource(parg, dest);
799 ov->setTransform(orient, dest);
800
801 int crop_w = crop.right - crop.left;
802 int crop_h = crop.bottom - crop.top;
803 Dim dcrop(crop.left, crop.top, crop_w, crop_h);
804 ov->setCrop(dcrop, dest);
805
806 int posW = pos.right - pos.left;
807 int posH = pos.bottom - pos.top;
808 Dim position(pos.left, pos.top, posW, posH);
809 ov->setPosition(position, dest);
810
811 if (metadata)
812 ov->setVisualParams(*metadata, dest);
813
814 if (!ov->commit(dest)) {
815 return -1;
816 }
817 return 0;
818 }
819
updateSource(eTransform & orient,Whf & whf,hwc_rect_t & crop)820 static inline void updateSource(eTransform& orient, Whf& whf,
821 hwc_rect_t& crop) {
822 Dim srcCrop(crop.left, crop.top,
823 crop.right - crop.left,
824 crop.bottom - crop.top);
825 //getMdpOrient will switch the flips if the source is 90 rotated.
826 //Clients in Android dont factor in 90 rotation while deciding the flip.
827 orient = static_cast<eTransform>(ovutils::getMdpOrient(orient));
828 preRotateSource(orient, whf, srcCrop);
829 crop.left = srcCrop.x;
830 crop.top = srcCrop.y;
831 crop.right = srcCrop.x + srcCrop.w;
832 crop.bottom = srcCrop.y + srcCrop.h;
833 }
834
configureLowRes(hwc_context_t * ctx,hwc_layer_1_t * layer,const int & dpy,eMdpFlags & mdpFlags,const eZorder & z,const eIsFg & isFg,const eDest & dest,Rotator ** rot)835 int configureLowRes(hwc_context_t *ctx, hwc_layer_1_t *layer,
836 const int& dpy, eMdpFlags& mdpFlags, const eZorder& z,
837 const eIsFg& isFg, const eDest& dest, Rotator **rot) {
838
839 private_handle_t *hnd = (private_handle_t *)layer->handle;
840 if(!hnd) {
841 ALOGE("%s: layer handle is NULL", __FUNCTION__);
842 return -1;
843 }
844
845 MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
846
847 hwc_rect_t crop = layer->sourceCrop;
848 hwc_rect_t dst = layer->displayFrame;
849 int transform = layer->transform;
850 eTransform orient = static_cast<eTransform>(transform);
851 int downscale = 0;
852 int rotFlags = ovutils::ROT_FLAGS_NONE;
853 Whf whf(hnd->width, hnd->height,
854 getMdpFormat(hnd->format), hnd->size);
855
856 if(isYuvBuffer(hnd) && ctx->mMDP.version >= qdutils::MDP_V4_2 &&
857 ctx->mMDP.version < qdutils::MDSS_V5) {
858 downscale = getDownscaleFactor(
859 crop.right - crop.left,
860 crop.bottom - crop.top,
861 dst.right - dst.left,
862 dst.bottom - dst.top);
863 if(downscale) {
864 rotFlags = ROT_DOWNSCALE_ENABLED;
865 }
866 }
867
868 setMdpFlags(layer, mdpFlags, downscale);
869 trimLayer(ctx, dpy, transform, crop, dst);
870
871 if(isYuvBuffer(hnd) && //if 90 component or downscale, use rot
872 ((transform & HWC_TRANSFORM_ROT_90) || downscale)) {
873 *rot = ctx->mRotMgr->getNext();
874 if(*rot == NULL) return -1;
875 //Configure rotator for pre-rotation
876 if(configRotator(*rot, whf, mdpFlags, orient, downscale) < 0)
877 return -1;
878 ctx->mLayerRotMap[dpy]->add(layer, *rot);
879 whf.format = (*rot)->getDstFormat();
880 updateSource(orient, whf, crop);
881 rotFlags |= ovutils::ROT_PREROTATED;
882 }
883
884 //For the mdp, since either we are pre-rotating or MDP does flips
885 orient = OVERLAY_TRANSFORM_0;
886 transform = 0;
887
888 PipeArgs parg(mdpFlags, whf, z, isFg,
889 static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
890 (ovutils::eBlending) getBlending(layer->blending));
891
892 if(configMdp(ctx->mOverlay, parg, orient, crop, dst, metadata, dest) < 0) {
893 ALOGE("%s: commit failed for low res panel", __FUNCTION__);
894 ctx->mLayerRotMap[dpy]->reset();
895 return -1;
896 }
897 return 0;
898 }
899
configureHighRes(hwc_context_t * ctx,hwc_layer_1_t * layer,const int & dpy,eMdpFlags & mdpFlagsL,const eZorder & z,const eIsFg & isFg,const eDest & lDest,const eDest & rDest,Rotator ** rot)900 int configureHighRes(hwc_context_t *ctx, hwc_layer_1_t *layer,
901 const int& dpy, eMdpFlags& mdpFlagsL, const eZorder& z,
902 const eIsFg& isFg, const eDest& lDest, const eDest& rDest,
903 Rotator **rot) {
904 private_handle_t *hnd = (private_handle_t *)layer->handle;
905 if(!hnd) {
906 ALOGE("%s: layer handle is NULL", __FUNCTION__);
907 return -1;
908 }
909
910 MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
911
912 int hw_w = ctx->dpyAttr[dpy].xres;
913 int hw_h = ctx->dpyAttr[dpy].yres;
914 hwc_rect_t crop = layer->sourceCrop;
915 hwc_rect_t dst = layer->displayFrame;
916 int transform = layer->transform;
917 eTransform orient = static_cast<eTransform>(transform);
918 const int downscale = 0;
919 int rotFlags = ROT_FLAGS_NONE;
920
921 Whf whf(hnd->width, hnd->height,
922 getMdpFormat(hnd->format), hnd->size);
923
924 setMdpFlags(layer, mdpFlagsL);
925 trimLayer(ctx, dpy, transform, crop, dst);
926
927 if(isYuvBuffer(hnd) && (transform & HWC_TRANSFORM_ROT_90)) {
928 (*rot) = ctx->mRotMgr->getNext();
929 if((*rot) == NULL) return -1;
930 //Configure rotator for pre-rotation
931 if(configRotator(*rot, whf, mdpFlagsL, orient, downscale) < 0)
932 return -1;
933 ctx->mLayerRotMap[dpy]->add(layer, *rot);
934 whf.format = (*rot)->getDstFormat();
935 updateSource(orient, whf, crop);
936 rotFlags |= ROT_PREROTATED;
937 }
938
939 eMdpFlags mdpFlagsR = mdpFlagsL;
940 setMdpFlags(mdpFlagsR, OV_MDSS_MDP_RIGHT_MIXER);
941
942 hwc_rect_t tmp_cropL, tmp_dstL;
943 hwc_rect_t tmp_cropR, tmp_dstR;
944
945 if(lDest != OV_INVALID) {
946 tmp_cropL = crop;
947 tmp_dstL = dst;
948 hwc_rect_t scissor = {0, 0, hw_w/2, hw_h };
949 qhwc::calculate_crop_rects(tmp_cropL, tmp_dstL, scissor, 0);
950 }
951 if(rDest != OV_INVALID) {
952 tmp_cropR = crop;
953 tmp_dstR = dst;
954 hwc_rect_t scissor = {hw_w/2, 0, hw_w, hw_h };
955 qhwc::calculate_crop_rects(tmp_cropR, tmp_dstR, scissor, 0);
956 }
957
958 //When buffer is flipped, contents of mixer config also needs to swapped.
959 //Not needed if the layer is confined to one half of the screen.
960 //If rotator has been used then it has also done the flips, so ignore them.
961 if((orient & OVERLAY_TRANSFORM_FLIP_V) && lDest != OV_INVALID
962 && rDest != OV_INVALID && rot == NULL) {
963 hwc_rect_t new_cropR;
964 new_cropR.left = tmp_cropL.left;
965 new_cropR.right = new_cropR.left + (tmp_cropR.right - tmp_cropR.left);
966
967 hwc_rect_t new_cropL;
968 new_cropL.left = new_cropR.right;
969 new_cropL.right = tmp_cropR.right;
970
971 tmp_cropL.left = new_cropL.left;
972 tmp_cropL.right = new_cropL.right;
973
974 tmp_cropR.left = new_cropR.left;
975 tmp_cropR.right = new_cropR.right;
976
977 }
978
979 //For the mdp, since either we are pre-rotating or MDP does flips
980 orient = OVERLAY_TRANSFORM_0;
981 transform = 0;
982
983 //configure left mixer
984 if(lDest != OV_INVALID) {
985 PipeArgs pargL(mdpFlagsL, whf, z, isFg,
986 static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
987 (ovutils::eBlending) getBlending(layer->blending));
988
989 if(configMdp(ctx->mOverlay, pargL, orient,
990 tmp_cropL, tmp_dstL, metadata, lDest) < 0) {
991 ALOGE("%s: commit failed for left mixer config", __FUNCTION__);
992 return -1;
993 }
994 }
995
996 //configure right mixer
997 if(rDest != OV_INVALID) {
998 PipeArgs pargR(mdpFlagsR, whf, z, isFg,
999 static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
1000 (ovutils::eBlending) getBlending(layer->blending));
1001
1002 tmp_dstR.right = tmp_dstR.right - tmp_dstR.left;
1003 tmp_dstR.left = 0;
1004 if(configMdp(ctx->mOverlay, pargR, orient,
1005 tmp_cropR, tmp_dstR, metadata, rDest) < 0) {
1006 ALOGE("%s: commit failed for right mixer config", __FUNCTION__);
1007 return -1;
1008 }
1009 }
1010
1011 return 0;
1012 }
1013
add(hwc_layer_1_t * layer,Rotator * rot)1014 void LayerRotMap::add(hwc_layer_1_t* layer, Rotator *rot) {
1015 if(mCount >= MAX_SESS) return;
1016 mLayer[mCount] = layer;
1017 mRot[mCount] = rot;
1018 mCount++;
1019 }
1020
reset()1021 void LayerRotMap::reset() {
1022 for (int i = 0; i < MAX_SESS; i++) {
1023 mLayer[i] = 0;
1024 mRot[i] = 0;
1025 }
1026 mCount = 0;
1027 }
1028
setReleaseFd(const int & fence)1029 void LayerRotMap::setReleaseFd(const int& fence) {
1030 for(uint32_t i = 0; i < mCount; i++) {
1031 mRot[i]->setReleaseFd(dup(fence));
1032 }
1033 }
1034
1035 };//namespace qhwc
1036