1 /*
2  * Copyright (C) 2010 The Android Open Source Project
3  * Copyright (C) 2012-2014, 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 ATRACE_TAG (ATRACE_TAG_GRAPHICS | ATRACE_TAG_HAL)
21 #define HWC_UTILS_DEBUG 0
22 #include <math.h>
23 #include <sys/ioctl.h>
24 #include <linux/fb.h>
25 #include <binder/IServiceManager.h>
26 #include <EGL/egl.h>
27 #include <cutils/properties.h>
28 #include <utils/Trace.h>
29 #include <gralloc_priv.h>
30 #include <overlay.h>
31 #include <overlayRotator.h>
32 #include <overlayWriteback.h>
33 #include "hwc_utils.h"
34 #include "hwc_mdpcomp.h"
35 #include "hwc_fbupdate.h"
36 #include "hwc_ad.h"
37 #include "mdp_version.h"
38 #include "hwc_copybit.h"
39 #include "hwc_dump_layers.h"
40 #include "external.h"
41 #include "virtual.h"
42 #include "hwc_qclient.h"
43 #include "QService.h"
44 #include "comptype.h"
45 #include "hwc_virtual.h"
46 #include "qd_utils.h"
47 
48 using namespace qClient;
49 using namespace qService;
50 using namespace android;
51 using namespace overlay;
52 using namespace overlay::utils;
53 namespace ovutils = overlay::utils;
54 
55 #ifdef QCOM_BSP
56 #ifdef __cplusplus
57 extern "C" {
58 #endif
59 
60 EGLAPI EGLBoolean eglGpuPerfHintQCOM(EGLDisplay dpy, EGLContext ctx,
61                                            EGLint *attrib_list);
62 #define EGL_GPU_HINT_1        0x32D0
63 #define EGL_GPU_HINT_2        0x32D1
64 
65 #define EGL_GPU_LEVEL_0       0x0
66 #define EGL_GPU_LEVEL_1       0x1
67 #define EGL_GPU_LEVEL_2       0x2
68 #define EGL_GPU_LEVEL_3       0x3
69 #define EGL_GPU_LEVEL_4       0x4
70 #define EGL_GPU_LEVEL_5       0x5
71 
72 #ifdef __cplusplus
73 }
74 #endif
75 #endif
76 
77 namespace qhwc {
78 
isValidResolution(hwc_context_t * ctx,uint32_t xres,uint32_t yres)79 bool isValidResolution(hwc_context_t *ctx, uint32_t xres, uint32_t yres)
80 {
81     return !((xres > qdutils::MAX_DISPLAY_DIM &&
82                 !isDisplaySplit(ctx, HWC_DISPLAY_PRIMARY)) ||
83             (xres < MIN_DISPLAY_XRES || yres < MIN_DISPLAY_YRES));
84 }
85 
changeResolution(hwc_context_t * ctx,int xres_orig,int yres_orig,int width,int height)86 void changeResolution(hwc_context_t *ctx, int xres_orig, int yres_orig,
87                       int width, int height) {
88     //Store original display resolution.
89     ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres_new = xres_orig;
90     ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres_new = yres_orig;
91     ctx->dpyAttr[HWC_DISPLAY_PRIMARY].customFBSize = false;
92     char property[PROPERTY_VALUE_MAX] = {'\0'};
93     char *yptr = NULL;
94     if (property_get("debug.hwc.fbsize", property, NULL) > 0) {
95         yptr = strcasestr(property,"x");
96         int xres_new = atoi(property);
97         int yres_new = atoi(yptr + 1);
98         if (isValidResolution(ctx,xres_new,yres_new) &&
99                  xres_new != xres_orig && yres_new != yres_orig) {
100             ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres_new = xres_new;
101             ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres_new = yres_new;
102             ctx->dpyAttr[HWC_DISPLAY_PRIMARY].customFBSize = true;
103 
104             //Caluculate DPI according to changed resolution.
105             float xdpi = ((float)xres_new * 25.4f) / (float)width;
106             float ydpi = ((float)yres_new * 25.4f) / (float)height;
107             ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xdpi = xdpi;
108             ctx->dpyAttr[HWC_DISPLAY_PRIMARY].ydpi = ydpi;
109         }
110     }
111 }
112 
openFramebufferDevice(hwc_context_t * ctx)113 static int openFramebufferDevice(hwc_context_t *ctx)
114 {
115     struct fb_fix_screeninfo finfo;
116     struct fb_var_screeninfo info;
117 
118     int fb_fd = openFb(HWC_DISPLAY_PRIMARY);
119     if(fb_fd < 0) {
120         ALOGE("%s: Error Opening FB : %s", __FUNCTION__, strerror(errno));
121         return -errno;
122     }
123 
124     if (ioctl(fb_fd, FBIOGET_VSCREENINFO, &info) == -1) {
125         ALOGE("%s:Error in ioctl FBIOGET_VSCREENINFO: %s", __FUNCTION__,
126                                                        strerror(errno));
127         close(fb_fd);
128         return -errno;
129     }
130 
131     if (int(info.width) <= 0 || int(info.height) <= 0) {
132         // the driver doesn't return that information
133         // default to 160 dpi
134         info.width  = (int)(((float)info.xres * 25.4f)/160.0f + 0.5f);
135         info.height = (int)(((float)info.yres * 25.4f)/160.0f + 0.5f);
136     }
137 
138     float xdpi = ((float)info.xres * 25.4f) / (float)info.width;
139     float ydpi = ((float)info.yres * 25.4f) / (float)info.height;
140 
141 #ifdef MSMFB_METADATA_GET
142     struct msmfb_metadata metadata;
143     memset(&metadata, 0 , sizeof(metadata));
144     metadata.op = metadata_op_frame_rate;
145 
146     if (ioctl(fb_fd, MSMFB_METADATA_GET, &metadata) == -1) {
147         ALOGE("%s:Error retrieving panel frame rate: %s", __FUNCTION__,
148                                                       strerror(errno));
149         close(fb_fd);
150         return -errno;
151     }
152 
153     float fps  = (float)metadata.data.panel_frame_rate;
154 #else
155     //XXX: Remove reserved field usage on all baselines
156     //The reserved[3] field is used to store FPS by the driver.
157     float fps  = info.reserved[3] & 0xFF;
158 #endif
159 
160     if (ioctl(fb_fd, FBIOGET_FSCREENINFO, &finfo) == -1) {
161         ALOGE("%s:Error in ioctl FBIOGET_FSCREENINFO: %s", __FUNCTION__,
162                                                        strerror(errno));
163         close(fb_fd);
164         return -errno;
165     }
166 
167     ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = fb_fd;
168     //xres, yres may not be 32 aligned
169     ctx->dpyAttr[HWC_DISPLAY_PRIMARY].stride = finfo.line_length /(info.xres/8);
170     ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres = info.xres;
171     ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres = info.yres;
172     ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xdpi = xdpi;
173     ctx->dpyAttr[HWC_DISPLAY_PRIMARY].ydpi = ydpi;
174     ctx->dpyAttr[HWC_DISPLAY_PRIMARY].vsync_period =
175             (uint32_t)(1000000000l / fps);
176 
177     //To change resolution of primary display
178     changeResolution(ctx, info.xres, info.yres, info.width, info.height);
179 
180     //Unblank primary on first boot
181     if(ioctl(fb_fd, FBIOBLANK,FB_BLANK_UNBLANK) < 0) {
182         ALOGE("%s: Failed to unblank display", __FUNCTION__);
183         return -errno;
184     }
185     ctx->dpyAttr[HWC_DISPLAY_PRIMARY].isActive = true;
186 
187     return 0;
188 }
189 
initContext(hwc_context_t * ctx)190 void initContext(hwc_context_t *ctx)
191 {
192     openFramebufferDevice(ctx);
193     char value[PROPERTY_VALUE_MAX];
194     ctx->mMDP.version = qdutils::MDPVersion::getInstance().getMDPVersion();
195     ctx->mMDP.hasOverlay = qdutils::MDPVersion::getInstance().hasOverlay();
196     ctx->mMDP.panel = qdutils::MDPVersion::getInstance().getPanelType();
197     overlay::Overlay::initOverlay();
198     ctx->mOverlay = overlay::Overlay::getInstance();
199     ctx->mRotMgr = RotMgr::getInstance();
200 
201     //Is created and destroyed only once for primary
202     //For external it could get created and destroyed multiple times depending
203     //on what external we connect to.
204     ctx->mFBUpdate[HWC_DISPLAY_PRIMARY] =
205         IFBUpdate::getObject(ctx, HWC_DISPLAY_PRIMARY);
206 
207     // Check if the target supports copybit compostion (dyn/mdp) to
208     // decide if we need to open the copybit module.
209     int compositionType =
210         qdutils::QCCompositionType::getInstance().getCompositionType();
211 
212     // Only MDP copybit is used
213     if ((compositionType & (qdutils::COMPOSITION_TYPE_DYN |
214             qdutils::COMPOSITION_TYPE_MDP)) &&
215             (qdutils::MDPVersion::getInstance().getMDPVersion() ==
216             qdutils::MDP_V3_0_4)) {
217         ctx->mCopyBit[HWC_DISPLAY_PRIMARY] = new CopyBit(ctx,
218                                                          HWC_DISPLAY_PRIMARY);
219     }
220 
221     ctx->mExtDisplay = new ExternalDisplay(ctx);
222     ctx->mVirtualDisplay = new VirtualDisplay(ctx);
223     ctx->mVirtualonExtActive = false;
224     ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].isActive = false;
225     ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].connected = false;
226     ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].isActive = false;
227     ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].connected = false;
228     ctx->dpyAttr[HWC_DISPLAY_PRIMARY].mDownScaleMode= false;
229     ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].mDownScaleMode = false;
230     ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].mDownScaleMode = false;
231 
232     ctx->mMDPComp[HWC_DISPLAY_PRIMARY] =
233          MDPComp::getObject(ctx, HWC_DISPLAY_PRIMARY);
234     ctx->dpyAttr[HWC_DISPLAY_PRIMARY].connected = true;
235     //Initialize the primary display viewFrame info
236     ctx->mViewFrame[HWC_DISPLAY_PRIMARY].left = 0;
237     ctx->mViewFrame[HWC_DISPLAY_PRIMARY].top = 0;
238     ctx->mViewFrame[HWC_DISPLAY_PRIMARY].right =
239         (int)ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres;
240     ctx->mViewFrame[HWC_DISPLAY_PRIMARY].bottom =
241          (int)ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres;
242 
243     ctx->mVDSEnabled = false;
244     if((property_get("persist.hwc.enable_vds", value, NULL) > 0)) {
245         if(atoi(value) != 0) {
246             ctx->mVDSEnabled = true;
247         }
248     }
249     ctx->mHWCVirtual = HWCVirtualBase::getObject(ctx->mVDSEnabled);
250 
251     for (uint32_t i = 0; i < HWC_NUM_DISPLAY_TYPES; i++) {
252         ctx->mHwcDebug[i] = new HwcDebug(i);
253         ctx->mLayerRotMap[i] = new LayerRotMap();
254         ctx->mAnimationState[i] = ANIMATION_STOPPED;
255         ctx->dpyAttr[i].mActionSafePresent = false;
256         ctx->dpyAttr[i].mAsWidthRatio = 0;
257         ctx->dpyAttr[i].mAsHeightRatio = 0;
258     }
259 
260     for (uint32_t i = 0; i < HWC_NUM_DISPLAY_TYPES; i++) {
261         ctx->mPrevHwLayerCount[i] = 0;
262     }
263 
264     MDPComp::init(ctx);
265     ctx->mAD = new AssertiveDisplay(ctx);
266 
267     ctx->vstate.enable = false;
268     ctx->vstate.fakevsync = false;
269     ctx->mExtOrientation = 0;
270     ctx->numActiveDisplays = 1;
271 
272     //Right now hwc starts the service but anybody could do it, or it could be
273     //independent process as well.
274     QService::init();
275     sp<IQClient> client = new QClient(ctx);
276     interface_cast<IQService>(
277             defaultServiceManager()->getService(
278             String16("display.qservice")))->connect(client);
279 
280     // Initialize device orientation to its default orientation
281     ctx->deviceOrientation = 0;
282     ctx->mBufferMirrorMode = false;
283 
284     // Read the system property to determine if downscale feature is enabled.
285     ctx->mMDPDownscaleEnabled = false;
286     if(property_get("sys.hwc.mdp_downscale_enabled", value, "false")
287             && !strcmp(value, "true")) {
288         ctx->mMDPDownscaleEnabled = true;
289     }
290 
291     ctx->enableABC = false;
292     property_get("debug.sf.hwc.canUseABC", value, "0");
293     ctx->enableABC  = atoi(value) ? true : false;
294 
295     // Initialize gpu perfomance hint related parameters
296     property_get("sys.hwc.gpu_perf_mode", value, "0");
297 #ifdef QCOM_BSP
298     ctx->mGPUHintInfo.mGpuPerfModeEnable = atoi(value)? true : false;
299 
300     ctx->mGPUHintInfo.mEGLDisplay = NULL;
301     ctx->mGPUHintInfo.mEGLContext = NULL;
302     ctx->mGPUHintInfo.mCompositionState = COMPOSITION_STATE_MDP;
303     ctx->mGPUHintInfo.mCurrGPUPerfMode = EGL_GPU_LEVEL_0;
304 #endif
305     memset(&(ctx->mPtorInfo), 0, sizeof(ctx->mPtorInfo));
306     ALOGI("Initializing Qualcomm Hardware Composer");
307     ALOGI("MDP version: %d", ctx->mMDP.version);
308 }
309 
closeContext(hwc_context_t * ctx)310 void closeContext(hwc_context_t *ctx)
311 {
312     if(ctx->mOverlay) {
313         delete ctx->mOverlay;
314         ctx->mOverlay = NULL;
315     }
316 
317     if(ctx->mRotMgr) {
318         delete ctx->mRotMgr;
319         ctx->mRotMgr = NULL;
320     }
321 
322     for(int i = 0; i < HWC_NUM_DISPLAY_TYPES; i++) {
323         if(ctx->mCopyBit[i]) {
324             delete ctx->mCopyBit[i];
325             ctx->mCopyBit[i] = NULL;
326         }
327     }
328 
329     if(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd) {
330         close(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd);
331         ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = -1;
332     }
333 
334     if(ctx->mExtDisplay) {
335         delete ctx->mExtDisplay;
336         ctx->mExtDisplay = NULL;
337     }
338 
339     for(int i = 0; i < HWC_NUM_DISPLAY_TYPES; i++) {
340         if(ctx->mFBUpdate[i]) {
341             delete ctx->mFBUpdate[i];
342             ctx->mFBUpdate[i] = NULL;
343         }
344         if(ctx->mMDPComp[i]) {
345             delete ctx->mMDPComp[i];
346             ctx->mMDPComp[i] = NULL;
347         }
348         if(ctx->mHwcDebug[i]) {
349             delete ctx->mHwcDebug[i];
350             ctx->mHwcDebug[i] = NULL;
351         }
352         if(ctx->mLayerRotMap[i]) {
353             delete ctx->mLayerRotMap[i];
354             ctx->mLayerRotMap[i] = NULL;
355         }
356     }
357     if(ctx->mHWCVirtual) {
358         delete ctx->mHWCVirtual;
359         ctx->mHWCVirtual = NULL;
360     }
361     if(ctx->mAD) {
362         delete ctx->mAD;
363         ctx->mAD = NULL;
364     }
365 
366 
367 }
368 
369 
dumpsys_log(android::String8 & buf,const char * fmt,...)370 void dumpsys_log(android::String8& buf, const char* fmt, ...)
371 {
372     va_list varargs;
373     va_start(varargs, fmt);
374     buf.appendFormatV(fmt, varargs);
375     va_end(varargs);
376 }
377 
getExtOrientation(hwc_context_t * ctx)378 int getExtOrientation(hwc_context_t* ctx) {
379     int extOrient = ctx->mExtOrientation;
380     if(ctx->mBufferMirrorMode)
381         extOrient = getMirrorModeOrientation(ctx);
382     return extOrient;
383 }
384 
385 /* Calculates the destination position based on the action safe rectangle */
getActionSafePosition(hwc_context_t * ctx,int dpy,hwc_rect_t & rect)386 void getActionSafePosition(hwc_context_t *ctx, int dpy, hwc_rect_t& rect) {
387     // Position
388     int x = rect.left, y = rect.top;
389     int w = rect.right - rect.left;
390     int h = rect.bottom - rect.top;
391 
392     if(!ctx->dpyAttr[dpy].mActionSafePresent)
393         return;
394    // Read action safe properties
395     int asWidthRatio = ctx->dpyAttr[dpy].mAsWidthRatio;
396     int asHeightRatio = ctx->dpyAttr[dpy].mAsHeightRatio;
397 
398     float wRatio = 1.0;
399     float hRatio = 1.0;
400     float xRatio = 1.0;
401     float yRatio = 1.0;
402 
403     int fbWidth = ctx->dpyAttr[dpy].xres;
404     int fbHeight = ctx->dpyAttr[dpy].yres;
405     if(ctx->dpyAttr[dpy].mDownScaleMode) {
406         // if downscale Mode is enabled for external, need to query
407         // the actual width and height, as that is the physical w & h
408          ctx->mExtDisplay->getAttributes(fbWidth, fbHeight);
409     }
410 
411 
412     // Since external is rotated 90, need to swap width/height
413     int extOrient = getExtOrientation(ctx);
414 
415     if(extOrient & HWC_TRANSFORM_ROT_90)
416         swap(fbWidth, fbHeight);
417 
418     float asX = 0;
419     float asY = 0;
420     float asW = (float)fbWidth;
421     float asH = (float)fbHeight;
422 
423     // based on the action safe ratio, get the Action safe rectangle
424     asW = ((float)fbWidth * (1.0f -  (float)asWidthRatio / 100.0f));
425     asH = ((float)fbHeight * (1.0f -  (float)asHeightRatio / 100.0f));
426     asX = ((float)fbWidth - asW) / 2;
427     asY = ((float)fbHeight - asH) / 2;
428 
429     // calculate the position ratio
430     xRatio = (float)x/(float)fbWidth;
431     yRatio = (float)y/(float)fbHeight;
432     wRatio = (float)w/(float)fbWidth;
433     hRatio = (float)h/(float)fbHeight;
434 
435     //Calculate the position...
436     x = int((xRatio * asW) + asX);
437     y = int((yRatio * asH) + asY);
438     w = int(wRatio * asW);
439     h = int(hRatio * asH);
440 
441     // Convert it back to hwc_rect_t
442     rect.left = x;
443     rect.top = y;
444     rect.right = w + rect.left;
445     rect.bottom = h + rect.top;
446 
447     return;
448 }
449 
450 // This function gets the destination position for Seconday display
451 // based on the position and aspect ratio with orientation
getAspectRatioPosition(hwc_context_t * ctx,int dpy,int extOrientation,hwc_rect_t & inRect,hwc_rect_t & outRect)452 void getAspectRatioPosition(hwc_context_t* ctx, int dpy, int extOrientation,
453                             hwc_rect_t& inRect, hwc_rect_t& outRect) {
454     // Physical display resolution
455     float fbWidth  = (float)ctx->dpyAttr[dpy].xres;
456     float fbHeight = (float)ctx->dpyAttr[dpy].yres;
457     //display position(x,y,w,h) in correct aspectratio after rotation
458     int xPos = 0;
459     int yPos = 0;
460     float width = fbWidth;
461     float height = fbHeight;
462     // Width/Height used for calculation, after rotation
463     float actualWidth = fbWidth;
464     float actualHeight = fbHeight;
465 
466     float wRatio = 1.0;
467     float hRatio = 1.0;
468     float xRatio = 1.0;
469     float yRatio = 1.0;
470     hwc_rect_t rect = {0, 0, (int)fbWidth, (int)fbHeight};
471 
472     Dim inPos(inRect.left, inRect.top, inRect.right - inRect.left,
473                 inRect.bottom - inRect.top);
474     Dim outPos(outRect.left, outRect.top, outRect.right - outRect.left,
475                 outRect.bottom - outRect.top);
476 
477     Whf whf((uint32_t)fbWidth, (uint32_t)fbHeight, 0);
478     eTransform extorient = static_cast<eTransform>(extOrientation);
479     // To calculate the destination co-ordinates in the new orientation
480     preRotateSource(extorient, whf, inPos);
481 
482     if(extOrientation & HAL_TRANSFORM_ROT_90) {
483         // Swap width/height for input position
484         swapWidthHeight(actualWidth, actualHeight);
485         getAspectRatioPosition((int)fbWidth, (int)fbHeight, (int)actualWidth,
486                                (int)actualHeight, rect);
487         xPos = rect.left;
488         yPos = rect.top;
489         width = float(rect.right - rect.left);
490         height = float(rect.bottom - rect.top);
491     }
492     xRatio = (float)((float)inPos.x/actualWidth);
493     yRatio = (float)((float)inPos.y/actualHeight);
494     wRatio = (float)((float)inPos.w/actualWidth);
495     hRatio = (float)((float)inPos.h/actualHeight);
496 
497     //Calculate the pos9ition...
498     outPos.x = uint32_t((xRatio * width) + (float)xPos);
499     outPos.y = uint32_t((yRatio * height) + (float)yPos);
500     outPos.w = uint32_t(wRatio * width);
501     outPos.h = uint32_t(hRatio * height);
502     ALOGD_IF(HWC_UTILS_DEBUG, "%s: Calculated AspectRatio Position: x = %d,"
503                  "y = %d w = %d h = %d", __FUNCTION__, outPos.x, outPos.y,
504                  outPos.w, outPos.h);
505 
506     // For sidesync, the dest fb will be in portrait orientation, and the crop
507     // will be updated to avoid the black side bands, and it will be upscaled
508     // to fit the dest RB, so recalculate
509     // the position based on the new width and height
510     if ((extOrientation & HWC_TRANSFORM_ROT_90) &&
511                         isOrientationPortrait(ctx)) {
512         hwc_rect_t r = {0, 0, 0, 0};
513         //Calculate the position
514         xRatio = (float)(outPos.x - xPos)/width;
515         // GetaspectRatio -- tricky to get the correct aspect ratio
516         // But we need to do this.
517         getAspectRatioPosition((int)width, (int)height,
518                                (int)width,(int)height, r);
519         xPos = r.left;
520         yPos = r.top;
521         float tempHeight = float(r.bottom - r.top);
522         yRatio = (float)yPos/height;
523         wRatio = (float)outPos.w/width;
524         hRatio = tempHeight/height;
525 
526         //Map the coordinates back to Framebuffer domain
527         outPos.x = uint32_t(xRatio * fbWidth);
528         outPos.y = uint32_t(yRatio * fbHeight);
529         outPos.w = uint32_t(wRatio * fbWidth);
530         outPos.h = uint32_t(hRatio * fbHeight);
531 
532         ALOGD_IF(HWC_UTILS_DEBUG, "%s: Calculated AspectRatio for device in"
533                  "portrait: x = %d,y = %d w = %d h = %d", __FUNCTION__,
534                  outPos.x, outPos.y,
535                  outPos.w, outPos.h);
536     }
537     if(ctx->dpyAttr[dpy].mDownScaleMode) {
538         int extW, extH;
539         if(dpy == HWC_DISPLAY_EXTERNAL)
540             ctx->mExtDisplay->getAttributes(extW, extH);
541         else
542             ctx->mVirtualDisplay->getAttributes(extW, extH);
543         fbWidth  = (float)ctx->dpyAttr[dpy].xres;
544         fbHeight = (float)ctx->dpyAttr[dpy].yres;
545         //Calculate the position...
546         xRatio = (float)outPos.x/fbWidth;
547         yRatio = (float)outPos.y/fbHeight;
548         wRatio = (float)outPos.w/fbWidth;
549         hRatio = (float)outPos.h/fbHeight;
550 
551         outPos.x = uint32_t(xRatio * (float)extW);
552         outPos.y = uint32_t(yRatio * (float)extH);
553         outPos.w = uint32_t(wRatio * (float)extW);
554         outPos.h = uint32_t(hRatio * (float)extH);
555     }
556     // Convert Dim to hwc_rect_t
557     outRect.left = outPos.x;
558     outRect.top = outPos.y;
559     outRect.right = outPos.x + outPos.w;
560     outRect.bottom = outPos.y + outPos.h;
561 
562     return;
563 }
564 
isPrimaryPortrait(hwc_context_t * ctx)565 bool isPrimaryPortrait(hwc_context_t *ctx) {
566     int fbWidth = ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres;
567     int fbHeight = ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres;
568     if(fbWidth < fbHeight) {
569         return true;
570     }
571     return false;
572 }
573 
isOrientationPortrait(hwc_context_t * ctx)574 bool isOrientationPortrait(hwc_context_t *ctx) {
575     if(isPrimaryPortrait(ctx)) {
576         return !(ctx->deviceOrientation & 0x1);
577     }
578     return (ctx->deviceOrientation & 0x1);
579 }
580 
calcExtDisplayPosition(hwc_context_t * ctx,private_handle_t * hnd,int dpy,hwc_rect_t & sourceCrop,hwc_rect_t & displayFrame,int & transform,ovutils::eTransform & orient)581 void calcExtDisplayPosition(hwc_context_t *ctx,
582                                private_handle_t *hnd,
583                                int dpy,
584                                hwc_rect_t& sourceCrop,
585                                hwc_rect_t& displayFrame,
586                                int& transform,
587                                ovutils::eTransform& orient) {
588     // Swap width and height when there is a 90deg transform
589     int extOrient = getExtOrientation(ctx);
590     if(dpy && ctx->mOverlay->isUIScalingOnExternalSupported()) {
591         if(!isYuvBuffer(hnd)) {
592             if(extOrient & HWC_TRANSFORM_ROT_90) {
593                 int dstWidth = ctx->dpyAttr[dpy].xres;
594                 int dstHeight = ctx->dpyAttr[dpy].yres;;
595                 int srcWidth = ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres;
596                 int srcHeight = ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres;
597                 if(!isPrimaryPortrait(ctx)) {
598                     swap(srcWidth, srcHeight);
599                 }                    // Get Aspect Ratio for external
600                 getAspectRatioPosition(dstWidth, dstHeight, srcWidth,
601                                     srcHeight, displayFrame);
602                 // Crop - this is needed, because for sidesync, the dest fb will
603                 // be in portrait orientation, so update the crop to not show the
604                 // black side bands.
605                 if (isOrientationPortrait(ctx)) {
606                     sourceCrop = displayFrame;
607                     displayFrame.left = 0;
608                     displayFrame.top = 0;
609                     displayFrame.right = dstWidth;
610                     displayFrame.bottom = dstHeight;
611                 }
612             }
613             if(ctx->dpyAttr[dpy].mDownScaleMode) {
614                 int extW, extH;
615                 // if downscale is enabled, map the co-ordinates to new
616                 // domain(downscaled)
617                 float fbWidth  = (float)ctx->dpyAttr[dpy].xres;
618                 float fbHeight = (float)ctx->dpyAttr[dpy].yres;
619                 // query MDP configured attributes
620                 if(dpy == HWC_DISPLAY_EXTERNAL)
621                     ctx->mExtDisplay->getAttributes(extW, extH);
622                 else
623                     ctx->mVirtualDisplay->getAttributes(extW, extH);
624                 //Calculate the ratio...
625                 float wRatio = ((float)extW)/fbWidth;
626                 float hRatio = ((float)extH)/fbHeight;
627 
628                 //convert Dim to hwc_rect_t
629                 displayFrame.left = int(wRatio*(float)displayFrame.left);
630                 displayFrame.top = int(hRatio*(float)displayFrame.top);
631                 displayFrame.right = int(wRatio*(float)displayFrame.right);
632                 displayFrame.bottom = int(hRatio*(float)displayFrame.bottom);
633             }
634         }else {
635             if(extOrient || ctx->dpyAttr[dpy].mDownScaleMode) {
636                 getAspectRatioPosition(ctx, dpy, extOrient,
637                                        displayFrame, displayFrame);
638             }
639         }
640         // If there is a external orientation set, use that
641         if(extOrient) {
642             transform = extOrient;
643             orient = static_cast<ovutils::eTransform >(extOrient);
644         }
645         // Calculate the actionsafe dimensions for External(dpy = 1 or 2)
646         getActionSafePosition(ctx, dpy, displayFrame);
647     }
648 }
649 
650 /* Returns the orientation which needs to be set on External for
651  *  SideSync/Buffer Mirrormode
652  */
getMirrorModeOrientation(hwc_context_t * ctx)653 int getMirrorModeOrientation(hwc_context_t *ctx) {
654     int extOrientation = 0;
655     int deviceOrientation = ctx->deviceOrientation;
656     if(!isPrimaryPortrait(ctx))
657         deviceOrientation = (deviceOrientation + 1) % 4;
658      if (deviceOrientation == 0)
659          extOrientation = HWC_TRANSFORM_ROT_270;
660      else if (deviceOrientation == 1)//90
661          extOrientation = 0;
662      else if (deviceOrientation == 2)//180
663          extOrientation = HWC_TRANSFORM_ROT_90;
664      else if (deviceOrientation == 3)//270
665          extOrientation = HWC_TRANSFORM_FLIP_V | HWC_TRANSFORM_FLIP_H;
666 
667     return extOrientation;
668 }
669 
670 /* Get External State names */
getExternalDisplayState(uint32_t external_state)671 const char* getExternalDisplayState(uint32_t external_state) {
672     static const char* externalStates[EXTERNAL_MAXSTATES] = {0};
673     externalStates[EXTERNAL_OFFLINE] = STR(EXTERNAL_OFFLINE);
674     externalStates[EXTERNAL_ONLINE]  = STR(EXTERNAL_ONLINE);
675     externalStates[EXTERNAL_PAUSE]   = STR(EXTERNAL_PAUSE);
676     externalStates[EXTERNAL_RESUME]  = STR(EXTERNAL_RESUME);
677 
678     if(external_state >= EXTERNAL_MAXSTATES) {
679         return "EXTERNAL_INVALID";
680     }
681 
682     return externalStates[external_state];
683 }
684 
isDownscaleRequired(hwc_layer_1_t const * layer)685 bool isDownscaleRequired(hwc_layer_1_t const* layer) {
686     hwc_rect_t displayFrame  = layer->displayFrame;
687     hwc_rect_t sourceCrop = integerizeSourceCrop(layer->sourceCropf);
688     int dst_w, dst_h, src_w, src_h;
689     dst_w = displayFrame.right - displayFrame.left;
690     dst_h = displayFrame.bottom - displayFrame.top;
691     src_w = sourceCrop.right - sourceCrop.left;
692     src_h = sourceCrop.bottom - sourceCrop.top;
693 
694     if(((src_w > dst_w) || (src_h > dst_h)))
695         return true;
696 
697     return false;
698 }
needsScaling(hwc_layer_1_t const * layer)699 bool needsScaling(hwc_layer_1_t const* layer) {
700     int dst_w, dst_h, src_w, src_h;
701     hwc_rect_t displayFrame  = layer->displayFrame;
702     hwc_rect_t sourceCrop = integerizeSourceCrop(layer->sourceCropf);
703 
704     dst_w = displayFrame.right - displayFrame.left;
705     dst_h = displayFrame.bottom - displayFrame.top;
706     src_w = sourceCrop.right - sourceCrop.left;
707     src_h = sourceCrop.bottom - sourceCrop.top;
708 
709     if(((src_w != dst_w) || (src_h != dst_h)))
710         return true;
711 
712     return false;
713 }
714 
715 // Checks if layer needs scaling with split
needsScalingWithSplit(hwc_context_t * ctx,hwc_layer_1_t const * layer,const int & dpy)716 bool needsScalingWithSplit(hwc_context_t* ctx, hwc_layer_1_t const* layer,
717         const int& dpy) {
718 
719     int src_width_l, src_height_l;
720     int src_width_r, src_height_r;
721     int dst_width_l, dst_height_l;
722     int dst_width_r, dst_height_r;
723     int hw_w = ctx->dpyAttr[dpy].xres;
724     int hw_h = ctx->dpyAttr[dpy].yres;
725     hwc_rect_t cropL, dstL, cropR, dstR;
726     const int lSplit = getLeftSplit(ctx, dpy);
727     hwc_rect_t sourceCrop = integerizeSourceCrop(layer->sourceCropf);
728     hwc_rect_t displayFrame  = layer->displayFrame;
729     private_handle_t *hnd = (private_handle_t *)layer->handle;
730 
731     cropL = sourceCrop;
732     dstL = displayFrame;
733     hwc_rect_t scissorL = { 0, 0, lSplit, hw_h };
734     scissorL = getIntersection(ctx->mViewFrame[dpy], scissorL);
735     qhwc::calculate_crop_rects(cropL, dstL, scissorL, 0);
736 
737     cropR = sourceCrop;
738     dstR = displayFrame;
739     hwc_rect_t scissorR = { lSplit, 0, hw_w, hw_h };
740     scissorR = getIntersection(ctx->mViewFrame[dpy], scissorR);
741     qhwc::calculate_crop_rects(cropR, dstR, scissorR, 0);
742 
743     // Sanitize Crop to stitch
744     sanitizeSourceCrop(cropL, cropR, hnd);
745 
746     // Calculate the left dst
747     dst_width_l = dstL.right - dstL.left;
748     dst_height_l = dstL.bottom - dstL.top;
749     src_width_l = cropL.right - cropL.left;
750     src_height_l = cropL.bottom - cropL.top;
751 
752     // check if there is any scaling on the left
753     if(((src_width_l != dst_width_l) || (src_height_l != dst_height_l)))
754         return true;
755 
756     // Calculate the right dst
757     dst_width_r = dstR.right - dstR.left;
758     dst_height_r = dstR.bottom - dstR.top;
759     src_width_r = cropR.right - cropR.left;
760     src_height_r = cropR.bottom - cropR.top;
761 
762     // check if there is any scaling on the right
763     if(((src_width_r != dst_width_r) || (src_height_r != dst_height_r)))
764         return true;
765 
766     return false;
767 }
768 
isAlphaScaled(hwc_layer_1_t const * layer)769 bool isAlphaScaled(hwc_layer_1_t const* layer) {
770     if(needsScaling(layer) && isAlphaPresent(layer)) {
771         return true;
772     }
773     return false;
774 }
775 
isAlphaPresent(hwc_layer_1_t const * layer)776 bool isAlphaPresent(hwc_layer_1_t const* layer) {
777     private_handle_t *hnd = (private_handle_t *)layer->handle;
778     if(hnd) {
779         int format = hnd->format;
780         switch(format) {
781         case HAL_PIXEL_FORMAT_RGBA_8888:
782         case HAL_PIXEL_FORMAT_BGRA_8888:
783             // In any more formats with Alpha go here..
784             return true;
785         default : return false;
786         }
787     }
788     return false;
789 }
790 
trimLayer(hwc_context_t * ctx,const int & dpy,const int & transform,hwc_rect_t & crop,hwc_rect_t & dst)791 static void trimLayer(hwc_context_t *ctx, const int& dpy, const int& transform,
792         hwc_rect_t& crop, hwc_rect_t& dst) {
793     int hw_w = ctx->dpyAttr[dpy].xres;
794     int hw_h = ctx->dpyAttr[dpy].yres;
795     if(dst.left < 0 || dst.top < 0 ||
796             dst.right > hw_w || dst.bottom > hw_h) {
797         hwc_rect_t scissor = {0, 0, hw_w, hw_h };
798         scissor = getIntersection(ctx->mViewFrame[dpy], scissor);
799         qhwc::calculate_crop_rects(crop, dst, scissor, transform);
800     }
801 }
802 
trimList(hwc_context_t * ctx,hwc_display_contents_1_t * list,const int & dpy)803 static void trimList(hwc_context_t *ctx, hwc_display_contents_1_t *list,
804         const int& dpy) {
805     for(uint32_t i = 0; i < list->numHwLayers - 1; i++) {
806         hwc_layer_1_t *layer = &list->hwLayers[i];
807         hwc_rect_t crop = integerizeSourceCrop(layer->sourceCropf);
808         trimLayer(ctx, dpy,
809                 list->hwLayers[i].transform,
810                 (hwc_rect_t&)crop,
811                 (hwc_rect_t&)list->hwLayers[i].displayFrame);
812         layer->sourceCropf.left = (float)crop.left;
813         layer->sourceCropf.right = (float)crop.right;
814         layer->sourceCropf.top = (float)crop.top;
815         layer->sourceCropf.bottom = (float)crop.bottom;
816     }
817 }
818 
setListStats(hwc_context_t * ctx,hwc_display_contents_1_t * list,int dpy)819 void setListStats(hwc_context_t *ctx,
820         hwc_display_contents_1_t *list, int dpy) {
821     const int prevYuvCount = ctx->listStats[dpy].yuvCount;
822     memset(&ctx->listStats[dpy], 0, sizeof(ListStats));
823     ctx->listStats[dpy].numAppLayers = (int)list->numHwLayers - 1;
824     ctx->listStats[dpy].fbLayerIndex = (int)list->numHwLayers - 1;
825     ctx->listStats[dpy].skipCount = 0;
826     ctx->listStats[dpy].preMultipliedAlpha = false;
827     ctx->listStats[dpy].isSecurePresent = false;
828     ctx->listStats[dpy].yuvCount = 0;
829     char property[PROPERTY_VALUE_MAX];
830     ctx->listStats[dpy].extOnlyLayerIndex = -1;
831     ctx->listStats[dpy].isDisplayAnimating = false;
832     ctx->listStats[dpy].secureUI = false;
833     ctx->listStats[dpy].yuv4k2kCount = 0;
834     ctx->dpyAttr[dpy].mActionSafePresent = isActionSafePresent(ctx, dpy);
835     ctx->listStats[dpy].renderBufIndexforABC = -1;
836 
837     resetROI(ctx, dpy);
838 
839     trimList(ctx, list, dpy);
840     optimizeLayerRects(list);
841     for (size_t i = 0; i < (size_t)ctx->listStats[dpy].numAppLayers; i++) {
842         hwc_layer_1_t const* layer = &list->hwLayers[i];
843         private_handle_t *hnd = (private_handle_t *)layer->handle;
844 
845 #ifdef QCOM_BSP
846         if (layer->flags & HWC_SCREENSHOT_ANIMATOR_LAYER) {
847             ctx->listStats[dpy].isDisplayAnimating = true;
848         }
849         if(isSecureDisplayBuffer(hnd)) {
850             ctx->listStats[dpy].secureUI = true;
851         }
852 #endif
853         // continue if number of app layers exceeds MAX_NUM_APP_LAYERS
854         if(ctx->listStats[dpy].numAppLayers > MAX_NUM_APP_LAYERS)
855             continue;
856 
857         //reset yuv indices
858         ctx->listStats[dpy].yuvIndices[i] = -1;
859         ctx->listStats[dpy].yuv4k2kIndices[i] = -1;
860 
861         if (isSecureBuffer(hnd)) {
862             ctx->listStats[dpy].isSecurePresent = true;
863         }
864 
865         if (isSkipLayer(&list->hwLayers[i])) {
866             ctx->listStats[dpy].skipCount++;
867         }
868 
869         if (UNLIKELY(isYuvBuffer(hnd))) {
870             int& yuvCount = ctx->listStats[dpy].yuvCount;
871             ctx->listStats[dpy].yuvIndices[yuvCount] = (int)i;
872             yuvCount++;
873 
874             if(UNLIKELY(is4kx2kYuvBuffer(hnd))){
875                 int& yuv4k2kCount = ctx->listStats[dpy].yuv4k2kCount;
876                 ctx->listStats[dpy].yuv4k2kIndices[yuv4k2kCount] = (int)i;
877                 yuv4k2kCount++;
878             }
879         }
880         if(layer->blending == HWC_BLENDING_PREMULT)
881             ctx->listStats[dpy].preMultipliedAlpha = true;
882 
883 
884         if(UNLIKELY(isExtOnly(hnd))){
885             ctx->listStats[dpy].extOnlyLayerIndex = (int)i;
886         }
887     }
888     if(ctx->listStats[dpy].yuvCount > 0) {
889         if (property_get("hw.cabl.yuv", property, NULL) > 0) {
890             if (atoi(property) != 1) {
891                 property_set("hw.cabl.yuv", "1");
892             }
893         }
894     } else {
895         if (property_get("hw.cabl.yuv", property, NULL) > 0) {
896             if (atoi(property) != 0) {
897                 property_set("hw.cabl.yuv", "0");
898             }
899         }
900     }
901 
902     //The marking of video begin/end is useful on some targets where we need
903     //to have a padding round to be able to shift pipes across mixers.
904     if(prevYuvCount != ctx->listStats[dpy].yuvCount) {
905         ctx->mVideoTransFlag = true;
906     }
907 
908     if(dpy == HWC_DISPLAY_PRIMARY) {
909         ctx->mAD->markDoable(ctx, list);
910     }
911 }
912 
913 
calc_cut(double & leftCutRatio,double & topCutRatio,double & rightCutRatio,double & bottomCutRatio,int orient)914 static void calc_cut(double& leftCutRatio, double& topCutRatio,
915         double& rightCutRatio, double& bottomCutRatio, int orient) {
916     if(orient & HAL_TRANSFORM_FLIP_H) {
917         swap(leftCutRatio, rightCutRatio);
918     }
919     if(orient & HAL_TRANSFORM_FLIP_V) {
920         swap(topCutRatio, bottomCutRatio);
921     }
922     if(orient & HAL_TRANSFORM_ROT_90) {
923         //Anti clock swapping
924         double tmpCutRatio = leftCutRatio;
925         leftCutRatio = topCutRatio;
926         topCutRatio = rightCutRatio;
927         rightCutRatio = bottomCutRatio;
928         bottomCutRatio = tmpCutRatio;
929     }
930 }
931 
isSecuring(hwc_context_t * ctx,hwc_layer_1_t const * layer)932 bool isSecuring(hwc_context_t* ctx, hwc_layer_1_t const* layer) {
933     if((ctx->mMDP.version < qdutils::MDSS_V5) &&
934        (ctx->mMDP.version > qdutils::MDP_V3_0) &&
935         ctx->mSecuring) {
936         return true;
937     }
938     if (isSecureModePolicy(ctx->mMDP.version)) {
939         private_handle_t *hnd = (private_handle_t *)layer->handle;
940         if(ctx->mSecureMode) {
941             if (! isSecureBuffer(hnd)) {
942                 ALOGD_IF(HWC_UTILS_DEBUG,"%s:Securing Turning ON ...",
943                          __FUNCTION__);
944                 return true;
945             }
946         } else {
947             if (isSecureBuffer(hnd)) {
948                 ALOGD_IF(HWC_UTILS_DEBUG,"%s:Securing Turning OFF ...",
949                          __FUNCTION__);
950                 return true;
951             }
952         }
953     }
954     return false;
955 }
956 
isSecureModePolicy(int mdpVersion)957 bool isSecureModePolicy(int mdpVersion) {
958     if (mdpVersion < qdutils::MDSS_V5)
959         return true;
960     else
961         return false;
962 }
963 
isRotatorSupportedFormat(private_handle_t * hnd)964 bool isRotatorSupportedFormat(private_handle_t *hnd) {
965     // Following rotator src formats are supported by mdp driver
966     // TODO: Add more formats in future, if mdp driver adds support
967     switch(hnd->format) {
968         case HAL_PIXEL_FORMAT_RGBA_8888:
969         case HAL_PIXEL_FORMAT_RGBX_8888:
970         case HAL_PIXEL_FORMAT_RGB_565:
971         case HAL_PIXEL_FORMAT_RGB_888:
972         case HAL_PIXEL_FORMAT_BGRA_8888:
973             return true;
974         default:
975             return false;
976     }
977     return false;
978 }
979 
isRotationDoable(hwc_context_t * ctx,private_handle_t * hnd)980 bool isRotationDoable(hwc_context_t *ctx, private_handle_t *hnd) {
981     // Rotate layers, if it is YUV type or rendered by CPU and not
982     // for the MDP versions below MDP5
983     if((isCPURendered(hnd) && isRotatorSupportedFormat(hnd) &&
984         !ctx->mMDP.version < qdutils::MDSS_V5)
985                    || isYuvBuffer(hnd)) {
986         return true;
987     }
988     return false;
989 }
990 
991 // returns true if Action safe dimensions are set and target supports Actionsafe
isActionSafePresent(hwc_context_t * ctx,int dpy)992 bool isActionSafePresent(hwc_context_t *ctx, int dpy) {
993     // if external supports underscan, do nothing
994     // it will be taken care in the driver
995     // Disable Action safe for 8974 due to HW limitation for downscaling
996     // layers with overlapped region
997     // Disable Actionsafe for non HDMI displays.
998     if(!(dpy == HWC_DISPLAY_EXTERNAL) ||
999         qdutils::MDPVersion::getInstance().is8x74v2() ||
1000         ctx->mExtDisplay->isCEUnderscanSupported()) {
1001         return false;
1002     }
1003 
1004     char value[PROPERTY_VALUE_MAX];
1005     // Read action safe properties
1006     property_get("persist.sys.actionsafe.width", value, "0");
1007     ctx->dpyAttr[dpy].mAsWidthRatio = atoi(value);
1008     property_get("persist.sys.actionsafe.height", value, "0");
1009     ctx->dpyAttr[dpy].mAsHeightRatio = atoi(value);
1010 
1011     if(!ctx->dpyAttr[dpy].mAsWidthRatio && !ctx->dpyAttr[dpy].mAsHeightRatio) {
1012         //No action safe ratio set, return
1013         return false;
1014     }
1015     return true;
1016 }
1017 
getBlending(int blending)1018 int getBlending(int blending) {
1019     switch(blending) {
1020     case HWC_BLENDING_NONE:
1021         return overlay::utils::OVERLAY_BLENDING_OPAQUE;
1022     case HWC_BLENDING_PREMULT:
1023         return overlay::utils::OVERLAY_BLENDING_PREMULT;
1024     case HWC_BLENDING_COVERAGE :
1025     default:
1026         return overlay::utils::OVERLAY_BLENDING_COVERAGE;
1027     }
1028 }
1029 
1030 //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)1031 void calculate_crop_rects(hwc_rect_t& crop, hwc_rect_t& dst,
1032                           const hwc_rect_t& scissor, int orient) {
1033 
1034     int& crop_l = crop.left;
1035     int& crop_t = crop.top;
1036     int& crop_r = crop.right;
1037     int& crop_b = crop.bottom;
1038     int crop_w = crop.right - crop.left;
1039     int crop_h = crop.bottom - crop.top;
1040 
1041     int& dst_l = dst.left;
1042     int& dst_t = dst.top;
1043     int& dst_r = dst.right;
1044     int& dst_b = dst.bottom;
1045     int dst_w = abs(dst.right - dst.left);
1046     int dst_h = abs(dst.bottom - dst.top);
1047 
1048     const int& sci_l = scissor.left;
1049     const int& sci_t = scissor.top;
1050     const int& sci_r = scissor.right;
1051     const int& sci_b = scissor.bottom;
1052 
1053     double leftCutRatio = 0.0, rightCutRatio = 0.0, topCutRatio = 0.0,
1054             bottomCutRatio = 0.0;
1055 
1056     if(dst_l < sci_l) {
1057         leftCutRatio = (double)(sci_l - dst_l) / (double)dst_w;
1058         dst_l = sci_l;
1059     }
1060 
1061     if(dst_r > sci_r) {
1062         rightCutRatio = (double)(dst_r - sci_r) / (double)dst_w;
1063         dst_r = sci_r;
1064     }
1065 
1066     if(dst_t < sci_t) {
1067         topCutRatio = (double)(sci_t - dst_t) / (double)dst_h;
1068         dst_t = sci_t;
1069     }
1070 
1071     if(dst_b > sci_b) {
1072         bottomCutRatio = (double)(dst_b - sci_b) / (double)dst_h;
1073         dst_b = sci_b;
1074     }
1075 
1076     calc_cut(leftCutRatio, topCutRatio, rightCutRatio, bottomCutRatio, orient);
1077     crop_l += (int)round((double)crop_w * leftCutRatio);
1078     crop_t += (int)round((double)crop_h * topCutRatio);
1079     crop_r -= (int)round((double)crop_w * rightCutRatio);
1080     crop_b -= (int)round((double)crop_h * bottomCutRatio);
1081 }
1082 
areLayersIntersecting(const hwc_layer_1_t * layer1,const hwc_layer_1_t * layer2)1083 bool areLayersIntersecting(const hwc_layer_1_t* layer1,
1084         const hwc_layer_1_t* layer2) {
1085     hwc_rect_t irect = getIntersection(layer1->displayFrame,
1086             layer2->displayFrame);
1087     return isValidRect(irect);
1088 }
1089 
isSameRect(const hwc_rect & rect1,const hwc_rect & rect2)1090 bool isSameRect(const hwc_rect& rect1, const hwc_rect& rect2)
1091 {
1092    return ((rect1.left == rect2.left) && (rect1.top == rect2.top) &&
1093            (rect1.right == rect2.right) && (rect1.bottom == rect2.bottom));
1094 }
1095 
isValidRect(const hwc_rect & rect)1096 bool isValidRect(const hwc_rect& rect)
1097 {
1098    return ((rect.bottom > rect.top) && (rect.right > rect.left)) ;
1099 }
1100 
operator ==(const hwc_rect_t & lhs,const hwc_rect_t & rhs)1101 bool operator ==(const hwc_rect_t& lhs, const hwc_rect_t& rhs) {
1102     if(lhs.left == rhs.left && lhs.top == rhs.top &&
1103        lhs.right == rhs.right &&  lhs.bottom == rhs.bottom )
1104           return true ;
1105     return false;
1106 }
1107 
moveRect(const hwc_rect_t & rect,const int & x_off,const int & y_off)1108 hwc_rect_t moveRect(const hwc_rect_t& rect, const int& x_off, const int& y_off)
1109 {
1110     hwc_rect_t res;
1111 
1112     if(!isValidRect(rect))
1113         return (hwc_rect_t){0, 0, 0, 0};
1114 
1115     res.left = rect.left + x_off;
1116     res.top = rect.top + y_off;
1117     res.right = rect.right + x_off;
1118     res.bottom = rect.bottom + y_off;
1119 
1120     return res;
1121 }
1122 
1123 /* computes the intersection of two rects */
getIntersection(const hwc_rect_t & rect1,const hwc_rect_t & rect2)1124 hwc_rect_t getIntersection(const hwc_rect_t& rect1, const hwc_rect_t& rect2)
1125 {
1126    hwc_rect_t res;
1127 
1128    if(!isValidRect(rect1) || !isValidRect(rect2)){
1129       return (hwc_rect_t){0, 0, 0, 0};
1130    }
1131 
1132 
1133    res.left = max(rect1.left, rect2.left);
1134    res.top = max(rect1.top, rect2.top);
1135    res.right = min(rect1.right, rect2.right);
1136    res.bottom = min(rect1.bottom, rect2.bottom);
1137 
1138    if(!isValidRect(res))
1139       return (hwc_rect_t){0, 0, 0, 0};
1140 
1141    return res;
1142 }
1143 
1144 /* computes the union of two rects */
getUnion(const hwc_rect & rect1,const hwc_rect & rect2)1145 hwc_rect_t getUnion(const hwc_rect &rect1, const hwc_rect &rect2)
1146 {
1147    hwc_rect_t res;
1148 
1149    if(!isValidRect(rect1)){
1150       return rect2;
1151    }
1152 
1153    if(!isValidRect(rect2)){
1154       return rect1;
1155    }
1156 
1157    res.left = min(rect1.left, rect2.left);
1158    res.top = min(rect1.top, rect2.top);
1159    res.right =  max(rect1.right, rect2.right);
1160    res.bottom =  max(rect1.bottom, rect2.bottom);
1161 
1162    return res;
1163 }
1164 
1165 /* Not a geometrical rect deduction. Deducts rect2 from rect1 only if it results
1166  * a single rect */
deductRect(const hwc_rect_t & rect1,const hwc_rect_t & rect2)1167 hwc_rect_t deductRect(const hwc_rect_t& rect1, const hwc_rect_t& rect2) {
1168 
1169    hwc_rect_t res = rect1;
1170 
1171    if((rect1.left == rect2.left) && (rect1.right == rect2.right)) {
1172       if((rect1.top == rect2.top) && (rect2.bottom <= rect1.bottom))
1173          res.top = rect2.bottom;
1174       else if((rect1.bottom == rect2.bottom)&& (rect2.top >= rect1.top))
1175          res.bottom = rect2.top;
1176    }
1177    else if((rect1.top == rect2.top) && (rect1.bottom == rect2.bottom)) {
1178       if((rect1.left == rect2.left) && (rect2.right <= rect1.right))
1179          res.left = rect2.right;
1180       else if((rect1.right == rect2.right)&& (rect2.left >= rect1.left))
1181          res.right = rect2.left;
1182    }
1183    return res;
1184 }
1185 
optimizeLayerRects(const hwc_display_contents_1_t * list)1186 void optimizeLayerRects(const hwc_display_contents_1_t *list) {
1187     int i= (int)list->numHwLayers-2;
1188     while(i > 0) {
1189         //see if there is no blending required.
1190         //If it is opaque see if we can substract this region from below
1191         //layers.
1192         if(list->hwLayers[i].blending == HWC_BLENDING_NONE) {
1193             int j= i-1;
1194             hwc_rect_t& topframe =
1195                 (hwc_rect_t&)list->hwLayers[i].displayFrame;
1196             while(j >= 0) {
1197                if(!needsScaling(&list->hwLayers[j])) {
1198                   hwc_layer_1_t* layer = (hwc_layer_1_t*)&list->hwLayers[j];
1199                   hwc_rect_t& bottomframe = layer->displayFrame;
1200                   hwc_rect_t bottomCrop =
1201                       integerizeSourceCrop(layer->sourceCropf);
1202                   int transform =layer->transform;
1203 
1204                   hwc_rect_t irect = getIntersection(bottomframe, topframe);
1205                   if(isValidRect(irect)) {
1206                      hwc_rect_t dest_rect;
1207                      //if intersection is valid rect, deduct it
1208                      dest_rect  = deductRect(bottomframe, irect);
1209                      qhwc::calculate_crop_rects(bottomCrop, bottomframe,
1210                                                 dest_rect, transform);
1211                      //Update layer sourceCropf
1212                      layer->sourceCropf.left =(float)bottomCrop.left;
1213                      layer->sourceCropf.top = (float)bottomCrop.top;
1214                      layer->sourceCropf.right = (float)bottomCrop.right;
1215                      layer->sourceCropf.bottom = (float)bottomCrop.bottom;
1216 #ifdef QCOM_BSP
1217                      //Update layer dirtyRect
1218                      layer->dirtyRect = getIntersection(bottomCrop,
1219                                             layer->dirtyRect);
1220 #endif
1221                   }
1222                }
1223                j--;
1224             }
1225         }
1226         i--;
1227     }
1228 }
1229 
getNonWormholeRegion(hwc_display_contents_1_t * list,hwc_rect_t & nwr)1230 void getNonWormholeRegion(hwc_display_contents_1_t* list,
1231                               hwc_rect_t& nwr)
1232 {
1233     size_t last = list->numHwLayers - 1;
1234     hwc_rect_t fbDisplayFrame = list->hwLayers[last].displayFrame;
1235     //Initiliaze nwr to first frame
1236     nwr.left =  list->hwLayers[0].displayFrame.left;
1237     nwr.top =  list->hwLayers[0].displayFrame.top;
1238     nwr.right =  list->hwLayers[0].displayFrame.right;
1239     nwr.bottom =  list->hwLayers[0].displayFrame.bottom;
1240 
1241     for (size_t i = 1; i < last; i++) {
1242         hwc_rect_t displayFrame = list->hwLayers[i].displayFrame;
1243         nwr = getUnion(nwr, displayFrame);
1244     }
1245 
1246     //Intersect with the framebuffer
1247     nwr = getIntersection(nwr, fbDisplayFrame);
1248 }
1249 
isExternalActive(hwc_context_t * ctx)1250 bool isExternalActive(hwc_context_t* ctx) {
1251     return ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].isActive;
1252 }
1253 
closeAcquireFds(hwc_display_contents_1_t * list)1254 void closeAcquireFds(hwc_display_contents_1_t* list) {
1255     if(LIKELY(list)) {
1256         for(uint32_t i = 0; i < list->numHwLayers; i++) {
1257             //Close the acquireFenceFds
1258             //HWC_FRAMEBUFFER are -1 already by SF, rest we close.
1259             if(list->hwLayers[i].acquireFenceFd >= 0) {
1260                 close(list->hwLayers[i].acquireFenceFd);
1261                 list->hwLayers[i].acquireFenceFd = -1;
1262             }
1263         }
1264         //Writeback
1265         if(list->outbufAcquireFenceFd >= 0) {
1266             close(list->outbufAcquireFenceFd);
1267             list->outbufAcquireFenceFd = -1;
1268         }
1269     }
1270 }
1271 
hwc_sync(hwc_context_t * ctx,hwc_display_contents_1_t * list,int dpy,int fd)1272 int hwc_sync(hwc_context_t *ctx, hwc_display_contents_1_t* list, int dpy,
1273         int fd) {
1274     ATRACE_CALL();
1275     int ret = 0;
1276     int acquireFd[MAX_NUM_APP_LAYERS];
1277     int count = 0;
1278     int releaseFd = -1;
1279     int retireFd = -1;
1280     int fbFd = -1;
1281     bool swapzero = false;
1282 
1283     struct mdp_buf_sync data;
1284     memset(&data, 0, sizeof(data));
1285     data.acq_fen_fd = acquireFd;
1286     data.rel_fen_fd = &releaseFd;
1287     data.retire_fen_fd = &retireFd;
1288     data.flags = MDP_BUF_SYNC_FLAG_RETIRE_FENCE;
1289 
1290 #ifdef DEBUG_SWAPINTERVAL
1291     char property[PROPERTY_VALUE_MAX];
1292     if(property_get("debug.egl.swapinterval", property, "1") > 0) {
1293         if(atoi(property) == 0)
1294             swapzero = true;
1295     }
1296 #endif
1297 
1298     bool isExtAnimating = false;
1299     if(dpy)
1300        isExtAnimating = ctx->listStats[dpy].isDisplayAnimating;
1301 
1302     //Send acquireFenceFds to rotator
1303     for(uint32_t i = 0; i < ctx->mLayerRotMap[dpy]->getCount(); i++) {
1304         int rotFd = ctx->mRotMgr->getRotDevFd();
1305         int rotReleaseFd = -1;
1306         overlay::Rotator* currRot = ctx->mLayerRotMap[dpy]->getRot(i);
1307         hwc_layer_1_t* currLayer = ctx->mLayerRotMap[dpy]->getLayer(i);
1308         if((currRot == NULL) || (currLayer == NULL)) {
1309             continue;
1310         }
1311         struct mdp_buf_sync rotData;
1312         memset(&rotData, 0, sizeof(rotData));
1313         rotData.acq_fen_fd =
1314                 &currLayer->acquireFenceFd;
1315         rotData.rel_fen_fd = &rotReleaseFd; //driver to populate this
1316         rotData.session_id = currRot->getSessId();
1317         if(currLayer->acquireFenceFd >= 0) {
1318             rotData.acq_fen_fd_cnt = 1; //1 ioctl call per rot session
1319         }
1320         int ret = 0;
1321         ret = ioctl(rotFd, MSMFB_BUFFER_SYNC, &rotData);
1322         if(ret < 0) {
1323             ALOGE("%s: ioctl MSMFB_BUFFER_SYNC failed for rot sync, err=%s",
1324                     __FUNCTION__, strerror(errno));
1325             close(rotReleaseFd);
1326         } else {
1327             close(currLayer->acquireFenceFd);
1328             //For MDP to wait on.
1329             currLayer->acquireFenceFd =
1330                     dup(rotReleaseFd);
1331             //A buffer is free to be used by producer as soon as its copied to
1332             //rotator
1333             currLayer->releaseFenceFd =
1334                     rotReleaseFd;
1335         }
1336     }
1337 
1338     //Accumulate acquireFenceFds for MDP Overlays
1339     if(list->outbufAcquireFenceFd >= 0) {
1340         //Writeback output buffer
1341         acquireFd[count++] = list->outbufAcquireFenceFd;
1342     }
1343 
1344     for(uint32_t i = 0; i < list->numHwLayers; i++) {
1345         if(((isAbcInUse(ctx)== true ) ||
1346           (list->hwLayers[i].compositionType == HWC_OVERLAY)) &&
1347                         list->hwLayers[i].acquireFenceFd >= 0) {
1348             if(UNLIKELY(swapzero))
1349                 acquireFd[count++] = -1;
1350             // if ABC is enabled for more than one layer.
1351             // renderBufIndexforABC will work as FB.Hence
1352             // set the acquireFD from fd - which is coming from copybit
1353             else if(fd >= 0 && (isAbcInUse(ctx) == true)) {
1354                 if(ctx->listStats[dpy].renderBufIndexforABC ==(int32_t)i)
1355                    acquireFd[count++] = fd;
1356                 else
1357                    continue;
1358             } else
1359                 acquireFd[count++] = list->hwLayers[i].acquireFenceFd;
1360         }
1361         if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
1362             if(UNLIKELY(swapzero))
1363                 acquireFd[count++] = -1;
1364             else if(fd >= 0) {
1365                 //set the acquireFD from fd - which is coming from c2d
1366                 acquireFd[count++] = fd;
1367                 // Buffer sync IOCTL should be async when using c2d fence is
1368                 // used
1369                 data.flags &= ~MDP_BUF_SYNC_FLAG_WAIT;
1370             } else if(list->hwLayers[i].acquireFenceFd >= 0)
1371                 acquireFd[count++] = list->hwLayers[i].acquireFenceFd;
1372         }
1373     }
1374 
1375     if ((fd >= 0) && !dpy && ctx->mPtorInfo.isActive()) {
1376         // Acquire c2d fence of Overlap render buffer
1377         acquireFd[count++] = fd;
1378     }
1379 
1380     data.acq_fen_fd_cnt = count;
1381     fbFd = ctx->dpyAttr[dpy].fd;
1382 
1383     //Waits for acquire fences, returns a release fence
1384     if(LIKELY(!swapzero)) {
1385         ret = ioctl(fbFd, MSMFB_BUFFER_SYNC, &data);
1386     }
1387 
1388     if(ret < 0) {
1389         ALOGE("%s: ioctl MSMFB_BUFFER_SYNC failed, err=%s",
1390                   __FUNCTION__, strerror(errno));
1391         ALOGE("%s: acq_fen_fd_cnt=%d flags=%d fd=%d dpy=%d numHwLayers=%zu",
1392               __FUNCTION__, data.acq_fen_fd_cnt, data.flags, fbFd,
1393               dpy, list->numHwLayers);
1394         close(releaseFd);
1395         releaseFd = -1;
1396         close(retireFd);
1397         retireFd = -1;
1398     }
1399 
1400     for(uint32_t i = 0; i < list->numHwLayers; i++) {
1401         if(list->hwLayers[i].compositionType == HWC_OVERLAY ||
1402 #ifdef QCOM_BSP
1403            list->hwLayers[i].compositionType == HWC_BLIT ||
1404 #endif
1405            list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
1406             //Populate releaseFenceFds.
1407             if(UNLIKELY(swapzero)) {
1408                 list->hwLayers[i].releaseFenceFd = -1;
1409             } else if(isExtAnimating) {
1410                 // Release all the app layer fds immediately,
1411                 // if animation is in progress.
1412                 list->hwLayers[i].releaseFenceFd = -1;
1413             } else if(list->hwLayers[i].releaseFenceFd < 0 ) {
1414 #ifdef QCOM_BSP
1415                 //If rotator has not already populated this field
1416                 // & if it's a not VPU layer
1417 
1418                 // if ABC is enabled for more than one layer
1419                 if(fd >= 0 && (isAbcInUse(ctx) == true) &&
1420                   ctx->listStats[dpy].renderBufIndexforABC !=(int32_t)i){
1421                     list->hwLayers[i].releaseFenceFd = dup(fd);
1422                 } else if((list->hwLayers[i].compositionType == HWC_BLIT)&&
1423                                                (isAbcInUse(ctx) == false)){
1424                     //For Blit, the app layers should be released when the Blit
1425                     //is complete. This fd was passed from copybit->draw
1426                     list->hwLayers[i].releaseFenceFd = dup(fd);
1427                 } else
1428 #endif
1429                 {
1430                     list->hwLayers[i].releaseFenceFd = dup(releaseFd);
1431                 }
1432             }
1433         }
1434     }
1435 
1436     if(fd >= 0) {
1437         close(fd);
1438         fd = -1;
1439     }
1440 
1441     if (!dpy && ctx->mCopyBit[dpy]) {
1442         if (ctx->mPtorInfo.isActive())
1443             ctx->mCopyBit[dpy]->setReleaseFdSync(releaseFd);
1444         else
1445             ctx->mCopyBit[dpy]->setReleaseFd(releaseFd);
1446     }
1447 
1448     //Signals when MDP finishes reading rotator buffers.
1449     ctx->mLayerRotMap[dpy]->setReleaseFd(releaseFd);
1450     close(releaseFd);
1451     releaseFd = -1;
1452 
1453     if(UNLIKELY(swapzero)) {
1454         list->retireFenceFd = -1;
1455     } else {
1456         list->retireFenceFd = retireFd;
1457     }
1458     return ret;
1459 }
1460 
setMdpFlags(hwc_context_t * ctx,hwc_layer_1_t * layer,ovutils::eMdpFlags & mdpFlags,int rotDownscale,int transform)1461 void setMdpFlags(hwc_context_t *ctx, hwc_layer_1_t *layer,
1462         ovutils::eMdpFlags &mdpFlags,
1463         int rotDownscale, int transform) {
1464     private_handle_t *hnd = (private_handle_t *)layer->handle;
1465     MetaData_t *metadata = hnd ? (MetaData_t *)hnd->base_metadata : NULL;
1466 
1467     if(layer->blending == HWC_BLENDING_PREMULT) {
1468         ovutils::setMdpFlags(mdpFlags,
1469                 ovutils::OV_MDP_BLEND_FG_PREMULT);
1470     }
1471 
1472     if(isYuvBuffer(hnd)) {
1473         if(isSecureBuffer(hnd)) {
1474             ovutils::setMdpFlags(mdpFlags,
1475                     ovutils::OV_MDP_SECURE_OVERLAY_SESSION);
1476         }
1477         if(metadata && (metadata->operation & PP_PARAM_INTERLACED) &&
1478                 metadata->interlaced) {
1479             ovutils::setMdpFlags(mdpFlags,
1480                     ovutils::OV_MDP_DEINTERLACE);
1481         }
1482     }
1483 
1484     if(isSecureDisplayBuffer(hnd)) {
1485         // Secure display needs both SECURE_OVERLAY and SECURE_DISPLAY_OV
1486         ovutils::setMdpFlags(mdpFlags,
1487                              ovutils::OV_MDP_SECURE_OVERLAY_SESSION);
1488         ovutils::setMdpFlags(mdpFlags,
1489                              ovutils::OV_MDP_SECURE_DISPLAY_OVERLAY_SESSION);
1490     }
1491 
1492     //Pre-rotation will be used using rotator.
1493     if(has90Transform(layer) && isRotationDoable(ctx, hnd)) {
1494         ovutils::setMdpFlags(mdpFlags,
1495                 ovutils::OV_MDP_SOURCE_ROTATED_90);
1496     }
1497     //No 90 component and no rot-downscale then flips done by MDP
1498     //If we use rot then it might as well do flips
1499     if(!(transform & HWC_TRANSFORM_ROT_90) && !rotDownscale) {
1500         if(transform & HWC_TRANSFORM_FLIP_H) {
1501             ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_FLIP_H);
1502         }
1503 
1504         if(transform & HWC_TRANSFORM_FLIP_V) {
1505             ovutils::setMdpFlags(mdpFlags,  ovutils::OV_MDP_FLIP_V);
1506         }
1507     }
1508 
1509     if(metadata &&
1510         ((metadata->operation & PP_PARAM_HSIC)
1511         || (metadata->operation & PP_PARAM_IGC)
1512         || (metadata->operation & PP_PARAM_SHARP2))) {
1513         ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_PP_EN);
1514     }
1515 }
1516 
configRotator(Rotator * rot,Whf & whf,hwc_rect_t & crop,const eMdpFlags & mdpFlags,const eTransform & orient,const int & downscale)1517 int configRotator(Rotator *rot, Whf& whf,
1518         hwc_rect_t& crop, const eMdpFlags& mdpFlags,
1519         const eTransform& orient, const int& downscale) {
1520 
1521     // Fix alignments for TILED format
1522     if(whf.format == MDP_Y_CRCB_H2V2_TILE ||
1523                             whf.format == MDP_Y_CBCR_H2V2_TILE) {
1524         whf.w =  utils::alignup(whf.w, 64);
1525         whf.h = utils::alignup(whf.h, 32);
1526     }
1527     rot->setSource(whf);
1528 
1529     if (qdutils::MDPVersion::getInstance().getMDPVersion() >=
1530         qdutils::MDSS_V5) {
1531          Dim rotCrop(crop.left, crop.top, crop.right - crop.left,
1532                 crop.bottom - crop.top);
1533         rot->setCrop(rotCrop);
1534     }
1535 
1536     rot->setFlags(mdpFlags);
1537     rot->setTransform(orient);
1538     rot->setDownscale(downscale);
1539     if(!rot->commit()) return -1;
1540     return 0;
1541 }
1542 
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)1543 int configMdp(Overlay *ov, const PipeArgs& parg,
1544         const eTransform& orient, const hwc_rect_t& crop,
1545         const hwc_rect_t& pos, const MetaData_t *metadata,
1546         const eDest& dest) {
1547     ov->setSource(parg, dest);
1548     ov->setTransform(orient, dest);
1549 
1550     int crop_w = crop.right - crop.left;
1551     int crop_h = crop.bottom - crop.top;
1552     Dim dcrop(crop.left, crop.top, crop_w, crop_h);
1553     ov->setCrop(dcrop, dest);
1554 
1555     int posW = pos.right - pos.left;
1556     int posH = pos.bottom - pos.top;
1557     Dim position(pos.left, pos.top, posW, posH);
1558     ov->setPosition(position, dest);
1559 
1560     if (metadata)
1561         ov->setVisualParams(*metadata, dest);
1562 
1563     if (!ov->commit(dest)) {
1564         return -1;
1565     }
1566     return 0;
1567 }
1568 
configColorLayer(hwc_context_t * ctx,hwc_layer_1_t * layer,const int & dpy,eMdpFlags & mdpFlags,eZorder & z,eIsFg & isFg,const eDest & dest)1569 int configColorLayer(hwc_context_t *ctx, hwc_layer_1_t *layer,
1570         const int& dpy, eMdpFlags& mdpFlags, eZorder& z,
1571         eIsFg& isFg, const eDest& dest) {
1572 
1573     hwc_rect_t dst = layer->displayFrame;
1574     trimLayer(ctx, dpy, 0, dst, dst);
1575 
1576     int w = ctx->dpyAttr[dpy].xres;
1577     int h = ctx->dpyAttr[dpy].yres;
1578     int dst_w = dst.right - dst.left;
1579     int dst_h = dst.bottom - dst.top;
1580     uint32_t color = layer->transform;
1581     Whf whf(w, h, getMdpFormat(HAL_PIXEL_FORMAT_RGBA_8888), 0);
1582 
1583     ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_SOLID_FILL);
1584     if (layer->blending == HWC_BLENDING_PREMULT)
1585         ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_BLEND_FG_PREMULT);
1586 
1587     PipeArgs parg(mdpFlags, whf, z, isFg, static_cast<eRotFlags>(0),
1588                   layer->planeAlpha,
1589                   (ovutils::eBlending) getBlending(layer->blending));
1590 
1591     // Configure MDP pipe for Color layer
1592     Dim pos(dst.left, dst.top, dst_w, dst_h);
1593     ctx->mOverlay->setSource(parg, dest);
1594     ctx->mOverlay->setColor(color, dest);
1595     ctx->mOverlay->setTransform(0, dest);
1596     ctx->mOverlay->setCrop(pos, dest);
1597     ctx->mOverlay->setPosition(pos, dest);
1598 
1599     if (!ctx->mOverlay->commit(dest)) {
1600         ALOGE("%s: Configure color layer failed!", __FUNCTION__);
1601         return -1;
1602     }
1603     return 0;
1604 }
1605 
updateSource(eTransform & orient,Whf & whf,hwc_rect_t & crop,Rotator * rot)1606 void updateSource(eTransform& orient, Whf& whf,
1607         hwc_rect_t& crop, Rotator *rot) {
1608     Dim transformedCrop(crop.left, crop.top,
1609             crop.right - crop.left,
1610             crop.bottom - crop.top);
1611     if (qdutils::MDPVersion::getInstance().getMDPVersion() >=
1612         qdutils::MDSS_V5) {
1613         //B-family rotator internally could modify destination dimensions if
1614         //downscaling is supported
1615         whf = rot->getDstWhf();
1616         transformedCrop = rot->getDstDimensions();
1617     } else {
1618         //A-family rotator rotates entire buffer irrespective of crop, forcing
1619         //us to recompute the crop based on transform
1620         orient = static_cast<eTransform>(ovutils::getMdpOrient(orient));
1621         preRotateSource(orient, whf, transformedCrop);
1622     }
1623 
1624     crop.left = transformedCrop.x;
1625     crop.top = transformedCrop.y;
1626     crop.right = transformedCrop.x + transformedCrop.w;
1627     crop.bottom = transformedCrop.y + transformedCrop.h;
1628 }
1629 
configureNonSplit(hwc_context_t * ctx,hwc_layer_1_t * layer,const int & dpy,eMdpFlags & mdpFlags,eZorder & z,eIsFg & isFg,const eDest & dest,Rotator ** rot)1630 int configureNonSplit(hwc_context_t *ctx, hwc_layer_1_t *layer,
1631         const int& dpy, eMdpFlags& mdpFlags, eZorder& z,
1632         eIsFg& isFg, const eDest& dest, Rotator **rot) {
1633 
1634     private_handle_t *hnd = (private_handle_t *)layer->handle;
1635 
1636     if(!hnd) {
1637         if (layer->flags & HWC_COLOR_FILL) {
1638             // Configure Color layer
1639             return configColorLayer(ctx, layer, dpy, mdpFlags, z, isFg, dest);
1640         }
1641         ALOGE("%s: layer handle is NULL", __FUNCTION__);
1642         return -1;
1643     }
1644 
1645     MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
1646 
1647     hwc_rect_t crop = integerizeSourceCrop(layer->sourceCropf);
1648     hwc_rect_t dst = layer->displayFrame;
1649     int transform = layer->transform;
1650     eTransform orient = static_cast<eTransform>(transform);
1651     int downscale = 0;
1652     int rotFlags = ovutils::ROT_FLAGS_NONE;
1653     uint32_t format = ovutils::getMdpFormat(hnd->format, isTileRendered(hnd));
1654     Whf whf(getWidth(hnd), getHeight(hnd), format, (uint32_t)hnd->size);
1655 
1656     // Handle R/B swap
1657     if (layer->flags & HWC_FORMAT_RB_SWAP) {
1658         if (hnd->format == HAL_PIXEL_FORMAT_RGBA_8888)
1659             whf.format = getMdpFormat(HAL_PIXEL_FORMAT_BGRA_8888);
1660         else if (hnd->format == HAL_PIXEL_FORMAT_RGBX_8888)
1661             whf.format = getMdpFormat(HAL_PIXEL_FORMAT_BGRX_8888);
1662     }
1663 
1664     calcExtDisplayPosition(ctx, hnd, dpy, crop, dst, transform, orient);
1665 
1666     if(isYuvBuffer(hnd) && ctx->mMDP.version >= qdutils::MDP_V4_2 &&
1667        ctx->mMDP.version < qdutils::MDSS_V5) {
1668         downscale =  getDownscaleFactor(
1669             crop.right - crop.left,
1670             crop.bottom - crop.top,
1671             dst.right - dst.left,
1672             dst.bottom - dst.top);
1673         if(downscale) {
1674             rotFlags = ROT_DOWNSCALE_ENABLED;
1675         }
1676     }
1677 
1678     setMdpFlags(ctx, layer, mdpFlags, downscale, transform);
1679 
1680     //if 90 component or downscale, use rot
1681     if((has90Transform(layer) && isRotationDoable(ctx, hnd)) || downscale) {
1682         *rot = ctx->mRotMgr->getNext();
1683         if(*rot == NULL) return -1;
1684         ctx->mLayerRotMap[dpy]->add(layer, *rot);
1685         // BWC is not tested for other formats So enable it only for YUV format
1686         if(!dpy && isYuvBuffer(hnd))
1687             BwcPM::setBwc(crop, dst, transform, mdpFlags);
1688         //Configure rotator for pre-rotation
1689         if(configRotator(*rot, whf, crop, mdpFlags, orient, downscale) < 0) {
1690             ALOGE("%s: configRotator failed!", __FUNCTION__);
1691             return -1;
1692         }
1693         updateSource(orient, whf, crop, *rot);
1694         rotFlags |= ovutils::ROT_PREROTATED;
1695     }
1696 
1697     //For the mdp, since either we are pre-rotating or MDP does flips
1698     orient = OVERLAY_TRANSFORM_0;
1699     transform = 0;
1700     PipeArgs parg(mdpFlags, whf, z, isFg,
1701                   static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
1702                   (ovutils::eBlending) getBlending(layer->blending));
1703 
1704     if(configMdp(ctx->mOverlay, parg, orient, crop, dst, metadata, dest) < 0) {
1705         ALOGE("%s: commit failed for low res panel", __FUNCTION__);
1706         return -1;
1707     }
1708     return 0;
1709 }
1710 
1711 //Helper to 1) Ensure crops dont have gaps 2) Ensure L and W are even
sanitizeSourceCrop(hwc_rect_t & cropL,hwc_rect_t & cropR,private_handle_t * hnd)1712 void sanitizeSourceCrop(hwc_rect_t& cropL, hwc_rect_t& cropR,
1713         private_handle_t *hnd) {
1714     if(cropL.right - cropL.left) {
1715         if(isYuvBuffer(hnd)) {
1716             //Always safe to even down left
1717             ovutils::even_floor(cropL.left);
1718             //If right is even, automatically width is even, since left is
1719             //already even
1720             ovutils::even_floor(cropL.right);
1721         }
1722         //Make sure there are no gaps between left and right splits if the layer
1723         //is spread across BOTH halves
1724         if(cropR.right - cropR.left) {
1725             cropR.left = cropL.right;
1726         }
1727     }
1728 
1729     if(cropR.right - cropR.left) {
1730         if(isYuvBuffer(hnd)) {
1731             //Always safe to even down left
1732             ovutils::even_floor(cropR.left);
1733             //If right is even, automatically width is even, since left is
1734             //already even
1735             ovutils::even_floor(cropR.right);
1736         }
1737     }
1738 }
1739 
configureSplit(hwc_context_t * ctx,hwc_layer_1_t * layer,const int & dpy,eMdpFlags & mdpFlagsL,eZorder & z,eIsFg & isFg,const eDest & lDest,const eDest & rDest,Rotator ** rot)1740 int configureSplit(hwc_context_t *ctx, hwc_layer_1_t *layer,
1741         const int& dpy, eMdpFlags& mdpFlagsL, eZorder& z,
1742         eIsFg& isFg, const eDest& lDest, const eDest& rDest,
1743         Rotator **rot) {
1744     private_handle_t *hnd = (private_handle_t *)layer->handle;
1745     if(!hnd) {
1746         ALOGE("%s: layer handle is NULL", __FUNCTION__);
1747         return -1;
1748     }
1749 
1750     MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
1751 
1752     int hw_w = ctx->dpyAttr[dpy].xres;
1753     int hw_h = ctx->dpyAttr[dpy].yres;
1754     hwc_rect_t crop = integerizeSourceCrop(layer->sourceCropf);
1755     hwc_rect_t dst = layer->displayFrame;
1756     int transform = layer->transform;
1757     eTransform orient = static_cast<eTransform>(transform);
1758     const int downscale = 0;
1759     int rotFlags = ROT_FLAGS_NONE;
1760     uint32_t format = ovutils::getMdpFormat(hnd->format, isTileRendered(hnd));
1761     Whf whf(getWidth(hnd), getHeight(hnd), format, (uint32_t)hnd->size);
1762 
1763     // Handle R/B swap
1764     if (layer->flags & HWC_FORMAT_RB_SWAP) {
1765         if (hnd->format == HAL_PIXEL_FORMAT_RGBA_8888)
1766             whf.format = getMdpFormat(HAL_PIXEL_FORMAT_BGRA_8888);
1767         else if (hnd->format == HAL_PIXEL_FORMAT_RGBX_8888)
1768             whf.format = getMdpFormat(HAL_PIXEL_FORMAT_BGRX_8888);
1769     }
1770 
1771     /* Calculate the external display position based on MDP downscale,
1772        ActionSafe, and extorientation features. */
1773     calcExtDisplayPosition(ctx, hnd, dpy, crop, dst, transform, orient);
1774 
1775     setMdpFlags(ctx, layer, mdpFlagsL, 0, transform);
1776 
1777     if(lDest != OV_INVALID && rDest != OV_INVALID) {
1778         //Enable overfetch
1779         setMdpFlags(mdpFlagsL, OV_MDSS_MDP_DUAL_PIPE);
1780     }
1781 
1782     //Will do something only if feature enabled and conditions suitable
1783     //hollow call otherwise
1784     if(ctx->mAD->prepare(ctx, crop, whf, hnd)) {
1785         overlay::Writeback *wb = overlay::Writeback::getInstance();
1786         whf.format = wb->getOutputFormat();
1787     }
1788 
1789     if(has90Transform(layer) && isRotationDoable(ctx, hnd)) {
1790         (*rot) = ctx->mRotMgr->getNext();
1791         if((*rot) == NULL) return -1;
1792         ctx->mLayerRotMap[dpy]->add(layer, *rot);
1793         //Configure rotator for pre-rotation
1794         if(configRotator(*rot, whf, crop, mdpFlagsL, orient, downscale) < 0) {
1795             ALOGE("%s: configRotator failed!", __FUNCTION__);
1796             return -1;
1797         }
1798         updateSource(orient, whf, crop, *rot);
1799         rotFlags |= ROT_PREROTATED;
1800     }
1801 
1802     eMdpFlags mdpFlagsR = mdpFlagsL;
1803     setMdpFlags(mdpFlagsR, OV_MDSS_MDP_RIGHT_MIXER);
1804 
1805     hwc_rect_t tmp_cropL = {0}, tmp_dstL = {0};
1806     hwc_rect_t tmp_cropR = {0}, tmp_dstR = {0};
1807 
1808     const int lSplit = getLeftSplit(ctx, dpy);
1809 
1810     // Calculate Left rects
1811     if(dst.left < lSplit) {
1812         tmp_cropL = crop;
1813         tmp_dstL = dst;
1814         hwc_rect_t scissor = {0, 0, lSplit, hw_h };
1815         scissor = getIntersection(ctx->mViewFrame[dpy], scissor);
1816         qhwc::calculate_crop_rects(tmp_cropL, tmp_dstL, scissor, 0);
1817     }
1818 
1819     // Calculate Right rects
1820     if(dst.right > lSplit) {
1821         tmp_cropR = crop;
1822         tmp_dstR = dst;
1823         hwc_rect_t scissor = {lSplit, 0, hw_w, hw_h };
1824         scissor = getIntersection(ctx->mViewFrame[dpy], scissor);
1825         qhwc::calculate_crop_rects(tmp_cropR, tmp_dstR, scissor, 0);
1826     }
1827 
1828     sanitizeSourceCrop(tmp_cropL, tmp_cropR, hnd);
1829 
1830     //When buffer is H-flipped, contents of mixer config also needs to swapped
1831     //Not needed if the layer is confined to one half of the screen.
1832     //If rotator has been used then it has also done the flips, so ignore them.
1833     if((orient & OVERLAY_TRANSFORM_FLIP_H) && (dst.left < lSplit) &&
1834             (dst.right > lSplit) && (*rot) == NULL) {
1835         hwc_rect_t new_cropR;
1836         new_cropR.left = tmp_cropL.left;
1837         new_cropR.right = new_cropR.left + (tmp_cropR.right - tmp_cropR.left);
1838 
1839         hwc_rect_t new_cropL;
1840         new_cropL.left  = new_cropR.right;
1841         new_cropL.right = tmp_cropR.right;
1842 
1843         tmp_cropL.left =  new_cropL.left;
1844         tmp_cropL.right =  new_cropL.right;
1845 
1846         tmp_cropR.left = new_cropR.left;
1847         tmp_cropR.right =  new_cropR.right;
1848 
1849     }
1850 
1851     //For the mdp, since either we are pre-rotating or MDP does flips
1852     orient = OVERLAY_TRANSFORM_0;
1853     transform = 0;
1854 
1855     //configure left mixer
1856     if(lDest != OV_INVALID) {
1857         PipeArgs pargL(mdpFlagsL, whf, z, isFg,
1858                        static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
1859                        (ovutils::eBlending) getBlending(layer->blending));
1860 
1861         if(configMdp(ctx->mOverlay, pargL, orient,
1862                 tmp_cropL, tmp_dstL, metadata, lDest) < 0) {
1863             ALOGE("%s: commit failed for left mixer config", __FUNCTION__);
1864             return -1;
1865         }
1866     }
1867 
1868     //configure right mixer
1869     if(rDest != OV_INVALID) {
1870         PipeArgs pargR(mdpFlagsR, whf, z, isFg,
1871                        static_cast<eRotFlags>(rotFlags),
1872                        layer->planeAlpha,
1873                        (ovutils::eBlending) getBlending(layer->blending));
1874         tmp_dstR.right = tmp_dstR.right - lSplit;
1875         tmp_dstR.left = tmp_dstR.left - lSplit;
1876         if(configMdp(ctx->mOverlay, pargR, orient,
1877                 tmp_cropR, tmp_dstR, metadata, rDest) < 0) {
1878             ALOGE("%s: commit failed for right mixer config", __FUNCTION__);
1879             return -1;
1880         }
1881     }
1882 
1883     return 0;
1884 }
1885 
configureSourceSplit(hwc_context_t * ctx,hwc_layer_1_t * layer,const int & dpy,eMdpFlags & mdpFlagsL,eZorder & z,eIsFg & isFg,const eDest & lDest,const eDest & rDest,Rotator ** rot)1886 int configureSourceSplit(hwc_context_t *ctx, hwc_layer_1_t *layer,
1887         const int& dpy, eMdpFlags& mdpFlagsL, eZorder& z,
1888         eIsFg& isFg, const eDest& lDest, const eDest& rDest,
1889         Rotator **rot) {
1890     private_handle_t *hnd = (private_handle_t *)layer->handle;
1891     if(!hnd) {
1892         ALOGE("%s: layer handle is NULL", __FUNCTION__);
1893         return -1;
1894     }
1895 
1896     MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
1897 
1898     hwc_rect_t crop = integerizeSourceCrop(layer->sourceCropf);;
1899     hwc_rect_t dst = layer->displayFrame;
1900     int transform = layer->transform;
1901     eTransform orient = static_cast<eTransform>(transform);
1902     const int downscale = 0;
1903     int rotFlags = ROT_FLAGS_NONE;
1904     //Splitting only YUV layer on primary panel needs different zorders
1905     //for both layers as both the layers are configured to single mixer
1906     eZorder lz = z;
1907     eZorder rz = (eZorder)(z + 1);
1908 
1909     Whf whf(getWidth(hnd), getHeight(hnd),
1910             getMdpFormat(hnd->format), (uint32_t)hnd->size);
1911 
1912     /* Calculate the external display position based on MDP downscale,
1913        ActionSafe, and extorientation features. */
1914     calcExtDisplayPosition(ctx, hnd, dpy, crop, dst, transform, orient);
1915 
1916     setMdpFlags(ctx, layer, mdpFlagsL, 0, transform);
1917     trimLayer(ctx, dpy, transform, crop, dst);
1918 
1919     if(has90Transform(layer) && isRotationDoable(ctx, hnd)) {
1920         (*rot) = ctx->mRotMgr->getNext();
1921         if((*rot) == NULL) return -1;
1922         ctx->mLayerRotMap[dpy]->add(layer, *rot);
1923         // BWC is not tested for other formats So enable it only for YUV format
1924         if(!dpy && isYuvBuffer(hnd))
1925             BwcPM::setBwc(crop, dst, transform, mdpFlagsL);
1926         //Configure rotator for pre-rotation
1927         if(configRotator(*rot, whf, crop, mdpFlagsL, orient, downscale) < 0) {
1928             ALOGE("%s: configRotator failed!", __FUNCTION__);
1929             return -1;
1930         }
1931         updateSource(orient, whf, crop, *rot);
1932         rotFlags |= ROT_PREROTATED;
1933     }
1934 
1935     eMdpFlags mdpFlagsR = mdpFlagsL;
1936     int lSplit = dst.left + (dst.right - dst.left)/2;
1937 
1938     hwc_rect_t tmp_cropL = {0}, tmp_dstL = {0};
1939     hwc_rect_t tmp_cropR = {0}, tmp_dstR = {0};
1940 
1941     if(lDest != OV_INVALID) {
1942         tmp_cropL = crop;
1943         tmp_dstL = dst;
1944         hwc_rect_t scissor = {dst.left, dst.top, lSplit, dst.bottom };
1945         qhwc::calculate_crop_rects(tmp_cropL, tmp_dstL, scissor, 0);
1946     }
1947     if(rDest != OV_INVALID) {
1948         tmp_cropR = crop;
1949         tmp_dstR = dst;
1950         hwc_rect_t scissor = {lSplit, dst.top, dst.right, dst.bottom };
1951         qhwc::calculate_crop_rects(tmp_cropR, tmp_dstR, scissor, 0);
1952     }
1953 
1954     sanitizeSourceCrop(tmp_cropL, tmp_cropR, hnd);
1955 
1956     //When buffer is H-flipped, contents of mixer config also needs to swapped
1957     //Not needed if the layer is confined to one half of the screen.
1958     //If rotator has been used then it has also done the flips, so ignore them.
1959     if((orient & OVERLAY_TRANSFORM_FLIP_H) && lDest != OV_INVALID
1960             && rDest != OV_INVALID && (*rot) == NULL) {
1961         hwc_rect_t new_cropR;
1962         new_cropR.left = tmp_cropL.left;
1963         new_cropR.right = new_cropR.left + (tmp_cropR.right - tmp_cropR.left);
1964 
1965         hwc_rect_t new_cropL;
1966         new_cropL.left  = new_cropR.right;
1967         new_cropL.right = tmp_cropR.right;
1968 
1969         tmp_cropL.left =  new_cropL.left;
1970         tmp_cropL.right =  new_cropL.right;
1971 
1972         tmp_cropR.left = new_cropR.left;
1973         tmp_cropR.right =  new_cropR.right;
1974 
1975     }
1976 
1977     //For the mdp, since either we are pre-rotating or MDP does flips
1978     orient = OVERLAY_TRANSFORM_0;
1979     transform = 0;
1980 
1981     //configure left half
1982     if(lDest != OV_INVALID) {
1983         PipeArgs pargL(mdpFlagsL, whf, lz, isFg,
1984                 static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
1985                 (ovutils::eBlending) getBlending(layer->blending));
1986 
1987         if(configMdp(ctx->mOverlay, pargL, orient,
1988                     tmp_cropL, tmp_dstL, metadata, lDest) < 0) {
1989             ALOGE("%s: commit failed for left half config", __FUNCTION__);
1990             return -1;
1991         }
1992     }
1993 
1994     //configure right half
1995     if(rDest != OV_INVALID) {
1996         PipeArgs pargR(mdpFlagsR, whf, rz, isFg,
1997                 static_cast<eRotFlags>(rotFlags),
1998                 layer->planeAlpha,
1999                 (ovutils::eBlending) getBlending(layer->blending));
2000         if(configMdp(ctx->mOverlay, pargR, orient,
2001                     tmp_cropR, tmp_dstR, metadata, rDest) < 0) {
2002             ALOGE("%s: commit failed for right half config", __FUNCTION__);
2003             return -1;
2004         }
2005     }
2006 
2007     return 0;
2008 }
2009 
canUseRotator(hwc_context_t * ctx,int dpy)2010 bool canUseRotator(hwc_context_t *ctx, int dpy) {
2011     if(ctx->mOverlay->isDMAMultiplexingSupported() &&
2012             isSecondaryConnected(ctx) &&
2013             !ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].isPause) {
2014         /* mdss driver on certain targets support multiplexing of DMA pipe
2015          * in LINE and BLOCK modes for writeback panels.
2016          */
2017         if(dpy == HWC_DISPLAY_PRIMARY)
2018             return false;
2019     }
2020     if(ctx->mMDP.version == qdutils::MDP_V3_0_4)
2021         return false;
2022     return true;
2023 }
2024 
getLeftSplit(hwc_context_t * ctx,const int & dpy)2025 int getLeftSplit(hwc_context_t *ctx, const int& dpy) {
2026     //Default even split for all displays with high res
2027     int lSplit = ctx->dpyAttr[dpy].xres / 2;
2028     if(dpy == HWC_DISPLAY_PRIMARY &&
2029             qdutils::MDPVersion::getInstance().getLeftSplit()) {
2030         //Override if split published by driver for primary
2031         lSplit = qdutils::MDPVersion::getInstance().getLeftSplit();
2032     }
2033     return lSplit;
2034 }
2035 
isDisplaySplit(hwc_context_t * ctx,int dpy)2036 bool isDisplaySplit(hwc_context_t* ctx, int dpy) {
2037     if(ctx->dpyAttr[dpy].xres > qdutils::MAX_DISPLAY_DIM) {
2038         return true;
2039     }
2040     //For testing we could split primary via device tree values
2041     if(dpy == HWC_DISPLAY_PRIMARY &&
2042         qdutils::MDPVersion::getInstance().getRightSplit()) {
2043         return true;
2044     }
2045     return false;
2046 }
2047 
2048 //clear prev layer prop flags and realloc for current frame
reset_layer_prop(hwc_context_t * ctx,int dpy,int numAppLayers)2049 void reset_layer_prop(hwc_context_t* ctx, int dpy, int numAppLayers) {
2050     if(ctx->layerProp[dpy]) {
2051        delete[] ctx->layerProp[dpy];
2052        ctx->layerProp[dpy] = NULL;
2053     }
2054     ctx->layerProp[dpy] = new LayerProp[numAppLayers];
2055 }
2056 
isAbcInUse(hwc_context_t * ctx)2057 bool isAbcInUse(hwc_context_t *ctx){
2058   return (ctx->enableABC && ctx->listStats[0].renderBufIndexforABC == 0);
2059 }
2060 
dumpBuffer(private_handle_t * ohnd,char * bufferName)2061 void dumpBuffer(private_handle_t *ohnd, char *bufferName) {
2062     if (ohnd != NULL && ohnd->base) {
2063         char dumpFilename[PATH_MAX];
2064         bool bResult = false;
2065         snprintf(dumpFilename, sizeof(dumpFilename), "/data/%s.%s.%dx%d.raw",
2066             bufferName,
2067             overlay::utils::getFormatString(utils::getMdpFormat(ohnd->format)),
2068             getWidth(ohnd), getHeight(ohnd));
2069         FILE* fp = fopen(dumpFilename, "w+");
2070         if (NULL != fp) {
2071             bResult = (bool) fwrite((void*)ohnd->base, ohnd->size, 1, fp);
2072             fclose(fp);
2073         }
2074         ALOGD("Buffer[%s] Dump to %s: %s",
2075         bufferName, dumpFilename, bResult ? "Success" : "Fail");
2076     }
2077 }
2078 
isGLESComp(hwc_context_t * ctx,hwc_display_contents_1_t * list)2079 bool isGLESComp(hwc_context_t *ctx,
2080                      hwc_display_contents_1_t* list) {
2081     int numAppLayers = ctx->listStats[HWC_DISPLAY_PRIMARY].numAppLayers;
2082     for(int index = 0; index < numAppLayers; index++) {
2083         hwc_layer_1_t* layer = &(list->hwLayers[index]);
2084         if(layer->compositionType == HWC_FRAMEBUFFER)
2085             return true;
2086     }
2087     return false;
2088 }
2089 
setGPUHint(hwc_context_t * ctx,hwc_display_contents_1_t * list)2090 void setGPUHint(hwc_context_t* ctx, hwc_display_contents_1_t* list) {
2091     struct gpu_hint_info *gpuHint = &ctx->mGPUHintInfo;
2092     if(!gpuHint->mGpuPerfModeEnable || !ctx || !list)
2093         return;
2094 
2095 #ifdef QCOM_BSP
2096     /* Set the GPU hint flag to high for MIXED/GPU composition only for
2097        first frame after MDP -> GPU/MIXED mode transition. Set the GPU
2098        hint to default if the previous composition is GPU or current GPU
2099        composition is due to idle fallback */
2100     if(!gpuHint->mEGLDisplay || !gpuHint->mEGLContext) {
2101         gpuHint->mEGLDisplay = eglGetCurrentDisplay();
2102         if(!gpuHint->mEGLDisplay) {
2103             ALOGW("%s Warning: EGL current display is NULL", __FUNCTION__);
2104             return;
2105         }
2106         gpuHint->mEGLContext = eglGetCurrentContext();
2107         if(!gpuHint->mEGLContext) {
2108             ALOGW("%s Warning: EGL current context is NULL", __FUNCTION__);
2109             return;
2110         }
2111     }
2112     if(isGLESComp(ctx, list)) {
2113         if(gpuHint->mCompositionState != COMPOSITION_STATE_GPU
2114             && !MDPComp::isIdleFallback()) {
2115             EGLint attr_list[] = {EGL_GPU_HINT_1,
2116                                   EGL_GPU_LEVEL_3,
2117                                   EGL_NONE };
2118             if((gpuHint->mCurrGPUPerfMode != EGL_GPU_LEVEL_3) &&
2119                 !eglGpuPerfHintQCOM(gpuHint->mEGLDisplay,
2120                                     gpuHint->mEGLContext, attr_list)) {
2121                 ALOGW("eglGpuPerfHintQCOM failed for Built in display");
2122             } else {
2123                 gpuHint->mCurrGPUPerfMode = EGL_GPU_LEVEL_3;
2124                 gpuHint->mCompositionState = COMPOSITION_STATE_GPU;
2125             }
2126         } else {
2127             EGLint attr_list[] = {EGL_GPU_HINT_1,
2128                                   EGL_GPU_LEVEL_0,
2129                                   EGL_NONE };
2130             if((gpuHint->mCurrGPUPerfMode != EGL_GPU_LEVEL_0) &&
2131                 !eglGpuPerfHintQCOM(gpuHint->mEGLDisplay,
2132                                     gpuHint->mEGLContext, attr_list)) {
2133                 ALOGW("eglGpuPerfHintQCOM failed for Built in display");
2134             } else {
2135                 gpuHint->mCurrGPUPerfMode = EGL_GPU_LEVEL_0;
2136             }
2137             if(MDPComp::isIdleFallback()) {
2138                 gpuHint->mCompositionState = COMPOSITION_STATE_IDLE_FALLBACK;
2139             }
2140         }
2141     } else {
2142         /* set the GPU hint flag to default for MDP composition */
2143         EGLint attr_list[] = {EGL_GPU_HINT_1,
2144                               EGL_GPU_LEVEL_0,
2145                               EGL_NONE };
2146         if((gpuHint->mCurrGPUPerfMode != EGL_GPU_LEVEL_0) &&
2147                 !eglGpuPerfHintQCOM(gpuHint->mEGLDisplay,
2148                                     gpuHint->mEGLContext, attr_list)) {
2149             ALOGW("eglGpuPerfHintQCOM failed for Built in display");
2150         } else {
2151             gpuHint->mCurrGPUPerfMode = EGL_GPU_LEVEL_0;
2152         }
2153         gpuHint->mCompositionState = COMPOSITION_STATE_MDP;
2154     }
2155 #endif
2156 }
2157 
isPeripheral(const hwc_rect_t & rect1,const hwc_rect_t & rect2)2158 bool isPeripheral(const hwc_rect_t& rect1, const hwc_rect_t& rect2) {
2159     // To be peripheral, 3 boundaries should match.
2160     uint8_t eqBounds = 0;
2161     if (rect1.left == rect2.left)
2162         eqBounds++;
2163     if (rect1.top == rect2.top)
2164         eqBounds++;
2165     if (rect1.right == rect2.right)
2166         eqBounds++;
2167     if (rect1.bottom == rect2.bottom)
2168         eqBounds++;
2169     return (eqBounds == 3);
2170 }
2171 
setBwc(const hwc_rect_t & crop,const hwc_rect_t & dst,const int & transform,ovutils::eMdpFlags & mdpFlags)2172 void BwcPM::setBwc(const hwc_rect_t& crop,
2173             const hwc_rect_t& dst, const int& transform,
2174             ovutils::eMdpFlags& mdpFlags) {
2175     //Target doesnt support Bwc
2176     if(!qdutils::MDPVersion::getInstance().supportsBWC()) {
2177         return;
2178     }
2179     int src_w = crop.right - crop.left;
2180     int src_h = crop.bottom - crop.top;
2181     int dst_w = dst.right - dst.left;
2182     int dst_h = dst.bottom - dst.top;
2183     if(transform & HAL_TRANSFORM_ROT_90) {
2184         swap(src_w, src_h);
2185     }
2186     //src width > MAX mixer supported dim
2187     if(src_w > qdutils::MAX_DISPLAY_DIM) {
2188         return;
2189     }
2190     //Decimation necessary, cannot use BWC. H/W requirement.
2191     if(qdutils::MDPVersion::getInstance().supportsDecimation()) {
2192         uint8_t horzDeci = 0;
2193         uint8_t vertDeci = 0;
2194         ovutils::getDecimationFactor(src_w, src_h, dst_w, dst_h, horzDeci,
2195                 vertDeci);
2196         if(horzDeci || vertDeci) return;
2197     }
2198     //Property
2199     char value[PROPERTY_VALUE_MAX];
2200     property_get("debug.disable.bwc", value, "0");
2201      if(atoi(value)) return;
2202 
2203     ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDSS_MDP_BWC_EN);
2204 }
2205 
add(hwc_layer_1_t * layer,Rotator * rot)2206 void LayerRotMap::add(hwc_layer_1_t* layer, Rotator *rot) {
2207     if(mCount >= MAX_SESS) return;
2208     mLayer[mCount] = layer;
2209     mRot[mCount] = rot;
2210     mCount++;
2211 }
2212 
reset()2213 void LayerRotMap::reset() {
2214     for (int i = 0; i < MAX_SESS; i++) {
2215         mLayer[i] = 0;
2216         mRot[i] = 0;
2217     }
2218     mCount = 0;
2219 }
2220 
clear()2221 void LayerRotMap::clear() {
2222     RotMgr::getInstance()->markUnusedTop(mCount);
2223     reset();
2224 }
2225 
setReleaseFd(const int & fence)2226 void LayerRotMap::setReleaseFd(const int& fence) {
2227     for(uint32_t i = 0; i < mCount; i++) {
2228         mRot[i]->setReleaseFd(dup(fence));
2229     }
2230 }
2231 
resetROI(hwc_context_t * ctx,const int dpy)2232 void resetROI(hwc_context_t *ctx, const int dpy) {
2233     const int fbXRes = (int)ctx->dpyAttr[dpy].xres;
2234     const int fbYRes = (int)ctx->dpyAttr[dpy].yres;
2235     if(isDisplaySplit(ctx, dpy)) {
2236         const int lSplit = getLeftSplit(ctx, dpy);
2237         ctx->listStats[dpy].lRoi = (struct hwc_rect){0, 0, lSplit, fbYRes};
2238         ctx->listStats[dpy].rRoi = (struct hwc_rect){lSplit, 0, fbXRes, fbYRes};
2239     } else  {
2240         ctx->listStats[dpy].lRoi = (struct hwc_rect){0, 0,fbXRes, fbYRes};
2241         ctx->listStats[dpy].rRoi = (struct hwc_rect){0, 0, 0, 0};
2242     }
2243 }
2244 
getSanitizeROI(struct hwc_rect roi,hwc_rect boundary)2245 hwc_rect_t getSanitizeROI(struct hwc_rect roi, hwc_rect boundary)
2246 {
2247    if(!isValidRect(roi))
2248       return roi;
2249 
2250    struct hwc_rect t_roi = roi;
2251 
2252    const int LEFT_ALIGN = qdutils::MDPVersion::getInstance().getLeftAlign();
2253    const int WIDTH_ALIGN = qdutils::MDPVersion::getInstance().getWidthAlign();
2254    const int TOP_ALIGN = qdutils::MDPVersion::getInstance().getTopAlign();
2255    const int HEIGHT_ALIGN = qdutils::MDPVersion::getInstance().getHeightAlign();
2256    const int MIN_WIDTH = qdutils::MDPVersion::getInstance().getMinROIWidth();
2257    const int MIN_HEIGHT = qdutils::MDPVersion::getInstance().getMinROIHeight();
2258 
2259    /* Align to minimum width recommended by the panel */
2260    if((t_roi.right - t_roi.left) < MIN_WIDTH) {
2261        if((t_roi.left + MIN_WIDTH) > boundary.right)
2262            t_roi.left = t_roi.right - MIN_WIDTH;
2263        else
2264            t_roi.right = t_roi.left + MIN_WIDTH;
2265    }
2266 
2267   /* Align to minimum height recommended by the panel */
2268    if((t_roi.bottom - t_roi.top) < MIN_HEIGHT) {
2269        if((t_roi.top + MIN_HEIGHT) > boundary.bottom)
2270            t_roi.top = t_roi.bottom - MIN_HEIGHT;
2271        else
2272            t_roi.bottom = t_roi.top + MIN_HEIGHT;
2273    }
2274 
2275    /* Align left and width to meet panel restrictions */
2276    if(LEFT_ALIGN)
2277        t_roi.left = t_roi.left - (t_roi.left % LEFT_ALIGN);
2278 
2279    if(WIDTH_ALIGN) {
2280        int width = t_roi.right - t_roi.left;
2281        width = WIDTH_ALIGN * ((width + (WIDTH_ALIGN - 1)) / WIDTH_ALIGN);
2282        t_roi.right = t_roi.left + width;
2283 
2284        if(t_roi.right > boundary.right) {
2285            t_roi.right = boundary.right;
2286            t_roi.left = t_roi.right - width;
2287 
2288            if(LEFT_ALIGN)
2289                t_roi.left = t_roi.left - (t_roi.left % LEFT_ALIGN);
2290        }
2291    }
2292 
2293 
2294    /* Align top and height to meet panel restrictions */
2295    if(TOP_ALIGN)
2296        t_roi.top = t_roi.top - (t_roi.top % TOP_ALIGN);
2297 
2298    if(HEIGHT_ALIGN) {
2299        int height = t_roi.bottom - t_roi.top;
2300        height = HEIGHT_ALIGN *  ((height + (HEIGHT_ALIGN - 1)) / HEIGHT_ALIGN);
2301        t_roi.bottom = t_roi.top  + height;
2302 
2303        if(t_roi.bottom > boundary.bottom) {
2304            t_roi.bottom = boundary.bottom;
2305            t_roi.top = t_roi.bottom - height;
2306 
2307            if(TOP_ALIGN)
2308                t_roi.top = t_roi.top - (t_roi.top % TOP_ALIGN);
2309        }
2310    }
2311 
2312 
2313    return t_roi;
2314 }
2315 
2316 };//namespace qhwc
2317