1 /*
2 * Copyright (c) 2014 - 2017, The Linux Foundation. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *     * Redistributions of source code must retain the above copyright
8 *       notice, this list of conditions and the following disclaimer.
9 *     * Redistributions in binary form must reproduce the above
10 *       copyright notice, this list of conditions and the following
11 *       disclaimer in the documentation and/or other materials provided
12 *       with the distribution.
13 *     * Neither the name of The Linux Foundation nor the names of its
14 *       contributors may be used to endorse or promote products derived
15 *       from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29 
30 #include <math.h>
31 #include <errno.h>
32 #include <gralloc_priv.h>
33 #include <gr.h>
34 #include <utils/constants.h>
35 #include <utils/formats.h>
36 #include <utils/rect.h>
37 #include <utils/debug.h>
38 #include <sys/types.h>
39 #include <sys/stat.h>
40 #include <sync/sync.h>
41 #include <cutils/properties.h>
42 #include <qd_utils.h>
43 #include <map>
44 #include <utility>
45 #include <vector>
46 #include <string>
47 
48 #include "blit_engine_c2d.h"
49 #include "hwc_debugger.h"
50 #include "hwc_display.h"
51 #include "hwc_tonemapper.h"
52 
53 #ifdef QTI_BSP
54 #include <hardware/display_defs.h>
55 #endif
56 
57 #define __CLASS__ "HWCDisplay"
58 
59 namespace sdm {
60 
Init()61 void HWCColorMode::Init() {
62   int ret = PopulateColorModes();
63   if (ret != 0) {
64     DLOGW("Failed!!");
65   }
66   return;
67 }
68 
SetColorMode(const std::string & color_mode)69 int HWCColorMode::SetColorMode(const std::string &color_mode) {
70   if (color_modes_.empty()) {
71     DLOGW("No Color Modes supported");
72     return -1;
73   }
74 
75   std::vector<std::string>::iterator it = std::find(color_modes_.begin(), color_modes_.end(),
76                                                     color_mode);
77   if (it == color_modes_.end()) {
78     DLOGE("Invalid colorMode request: %s", color_mode.c_str());
79     return -1;
80   }
81 
82   DisplayError error = display_intf_->SetColorMode(color_mode);
83   if (error != kErrorNone) {
84     DLOGE("Failed to set color_mode = %s", color_mode.c_str());
85     return -1;
86   }
87   current_color_mode_ = color_mode;
88 
89   return 0;
90 }
91 
GetColorModes()92 const std::vector<std::string> &HWCColorMode::GetColorModes() {
93   return color_modes_;
94 }
95 
SetColorTransform(uint32_t matrix_count,const float * matrix)96 int HWCColorMode::SetColorTransform(uint32_t matrix_count, const float *matrix) {
97   if (matrix_count > kColorTransformMatrixCount) {
98     DLOGE("Transform matrix count = %d, exceeds max = %d", matrix_count,
99           kColorTransformMatrixCount);
100     return -1;
101   }
102 
103   double color_matrix[kColorTransformMatrixCount] = {0};
104   CopyColorTransformMatrix(matrix, color_matrix);
105   DisplayError error = display_intf_->SetColorTransform(matrix_count, color_matrix);
106   if (error != kErrorNone) {
107     DLOGE("Failed!");
108     return -1;
109   }
110 
111   return 0;
112 }
113 
PopulateColorModes()114 int HWCColorMode::PopulateColorModes() {
115   uint32_t color_mode_count = 0;
116   DisplayError error = display_intf_->GetColorModeCount(&color_mode_count);
117   if (error != kErrorNone || (color_mode_count == 0)) {
118     return -1;
119   }
120 
121   DLOGI("Color Mode count = %d", color_mode_count);
122 
123   color_modes_.resize(color_mode_count);
124 
125   // SDM returns modes which is string
126   error = display_intf_->GetColorModes(&color_mode_count, &color_modes_);
127   if (error != kErrorNone) {
128     DLOGE("GetColorModes Failed for count = %d", color_mode_count);
129     return -1;
130   }
131 
132   return 0;
133 }
134 
HWCDisplay(CoreInterface * core_intf,hwc_procs_t const ** hwc_procs,DisplayType type,int id,bool needs_blit,qService::QService * qservice,DisplayClass display_class)135 HWCDisplay::HWCDisplay(CoreInterface *core_intf, hwc_procs_t const **hwc_procs, DisplayType type,
136                        int id, bool needs_blit, qService::QService *qservice,
137                        DisplayClass display_class)
138   : core_intf_(core_intf), hwc_procs_(hwc_procs), type_(type), id_(id), needs_blit_(needs_blit),
139     qservice_(qservice), display_class_(display_class) {
140 }
141 
Init()142 int HWCDisplay::Init() {
143   DisplayError error = core_intf_->CreateDisplay(type_, this, &display_intf_);
144   if (error != kErrorNone) {
145     DLOGE("Display create failed. Error = %d display_type %d event_handler %p disp_intf %p",
146       error, type_, this, &display_intf_);
147     return -EINVAL;
148   }
149 
150   HWCDebugHandler::Get()->GetProperty("sys.hwc_disable_hdr", &disable_hdr_handling_);
151   if (disable_hdr_handling_) {
152     DLOGI("HDR Handling disabled");
153   }
154 
155   int property_swap_interval = 1;
156   HWCDebugHandler::Get()->GetProperty("debug.egl.swapinterval", &property_swap_interval);
157   if (property_swap_interval == 0) {
158     swap_interval_zero_ = true;
159   }
160 
161   int blit_enabled = 0;
162   HWCDebugHandler::Get()->GetProperty("persist.hwc.blit.comp", &blit_enabled);
163   if (needs_blit_ && blit_enabled) {
164     blit_engine_ = new BlitEngineC2d();
165     if (!blit_engine_) {
166       DLOGI("Create Blit Engine C2D failed");
167     } else {
168       if (blit_engine_->Init() < 0) {
169         DLOGI("Blit Engine Init failed, Blit Composition will not be used!!");
170         delete blit_engine_;
171         blit_engine_ = NULL;
172       }
173     }
174   }
175 
176   tone_mapper_ = new HWCToneMapper();
177 
178   display_intf_->GetRefreshRateRange(&min_refresh_rate_, &max_refresh_rate_);
179   current_refresh_rate_ = max_refresh_rate_;
180 
181   s3d_format_hwc_to_sdm_.insert(std::pair<int, LayerBufferS3DFormat>(HAL_NO_3D, kS3dFormatNone));
182   s3d_format_hwc_to_sdm_.insert(std::pair<int, LayerBufferS3DFormat>(HAL_3D_SIDE_BY_SIDE_L_R,
183                                 kS3dFormatLeftRight));
184   s3d_format_hwc_to_sdm_.insert(std::pair<int, LayerBufferS3DFormat>(HAL_3D_SIDE_BY_SIDE_R_L,
185                                 kS3dFormatRightLeft));
186   s3d_format_hwc_to_sdm_.insert(std::pair<int, LayerBufferS3DFormat>(HAL_3D_TOP_BOTTOM,
187                                 kS3dFormatTopBottom));
188 
189   disable_animation_ = Debug::IsExtAnimDisabled();
190 
191   return 0;
192 }
193 
Deinit()194 int HWCDisplay::Deinit() {
195   DisplayError error = core_intf_->DestroyDisplay(display_intf_);
196   if (error != kErrorNone) {
197     DLOGE("Display destroy failed. Error = %d", error);
198     return -EINVAL;
199   }
200 
201   if (blit_engine_) {
202     blit_engine_->DeInit();
203     delete blit_engine_;
204     blit_engine_ = NULL;
205   }
206 
207   delete tone_mapper_;
208   tone_mapper_ = NULL;
209 
210   return 0;
211 }
212 
EventControl(int event,int enable)213 int HWCDisplay::EventControl(int event, int enable) {
214   DisplayError error = kErrorNone;
215 
216   if (shutdown_pending_) {
217     return 0;
218   }
219 
220   switch (event) {
221   case HWC_EVENT_VSYNC:
222     error = display_intf_->SetVSyncState(enable);
223     break;
224   default:
225     DLOGW("Unsupported event = %d", event);
226   }
227 
228   if (error != kErrorNone) {
229     if (error == kErrorShutDown) {
230       shutdown_pending_ = true;
231       return 0;
232     }
233     DLOGE("Failed. event = %d, enable = %d, error = %d", event, enable, error);
234     return -EINVAL;
235   }
236 
237   return 0;
238 }
239 
SetPowerMode(int mode)240 int HWCDisplay::SetPowerMode(int mode) {
241   DLOGI("display = %d, mode = %d", id_, mode);
242   DisplayState state = kStateOff;
243   bool flush_on_error = flush_on_error_;
244 
245   if (shutdown_pending_) {
246     return 0;
247   }
248 
249   switch (mode) {
250   case HWC_POWER_MODE_OFF:
251     // During power off, all of the buffers are released.
252     // Do not flush until a buffer is successfully submitted again.
253     flush_on_error = false;
254     state = kStateOff;
255     tone_mapper_->Terminate();
256     break;
257 
258   case HWC_POWER_MODE_NORMAL:
259     state = kStateOn;
260     last_power_mode_ = HWC_POWER_MODE_NORMAL;
261     break;
262 
263   case HWC_POWER_MODE_DOZE:
264     state = kStateDoze;
265     last_power_mode_ = HWC_POWER_MODE_DOZE;
266     break;
267 
268   case HWC_POWER_MODE_DOZE_SUSPEND:
269     state = kStateDozeSuspend;
270     last_power_mode_ = HWC_POWER_MODE_DOZE_SUSPEND;
271     break;
272 
273   default:
274     return -EINVAL;
275   }
276 
277   DisplayError error = display_intf_->SetDisplayState(state);
278   if (error == kErrorNone) {
279     flush_on_error_ = flush_on_error;
280   } else {
281     if (error == kErrorShutDown) {
282       shutdown_pending_ = true;
283       return 0;
284     }
285     DLOGE("Set state failed. Error = %d", error);
286     return -EINVAL;
287   }
288 
289   return 0;
290 }
291 
GetDisplayConfigs(uint32_t * configs,size_t * num_configs)292 int HWCDisplay::GetDisplayConfigs(uint32_t *configs, size_t *num_configs) {
293   if (*num_configs > 0) {
294     configs[0] = 0;
295     *num_configs = 1;
296   }
297 
298   return 0;
299 }
300 
GetDisplayAttributes(uint32_t config,const uint32_t * display_attributes,int32_t * values)301 int HWCDisplay::GetDisplayAttributes(uint32_t config, const uint32_t *display_attributes,
302                                      int32_t *values) {
303   DisplayConfigVariableInfo variable_config;
304   DisplayError error = display_intf_->GetFrameBufferConfig(&variable_config);
305   if (error != kErrorNone) {
306     DLOGV("Get variable config failed. Error = %d", error);
307     return -EINVAL;
308   }
309 
310   for (int i = 0; display_attributes[i] != HWC_DISPLAY_NO_ATTRIBUTE; i++) {
311     switch (display_attributes[i]) {
312     case HWC_DISPLAY_VSYNC_PERIOD:
313       values[i] = INT32(variable_config.vsync_period_ns);
314       break;
315     case HWC_DISPLAY_WIDTH:
316       values[i] = INT32(variable_config.x_pixels);
317       break;
318     case HWC_DISPLAY_HEIGHT:
319       values[i] = INT32(variable_config.y_pixels);
320       break;
321     case HWC_DISPLAY_DPI_X:
322       values[i] = INT32(variable_config.x_dpi * 1000.0f);
323       break;
324     case HWC_DISPLAY_DPI_Y:
325       values[i] = INT32(variable_config.y_dpi * 1000.0f);
326       break;
327     default:
328       DLOGW("Spurious attribute type = %d", display_attributes[i]);
329       return -EINVAL;
330     }
331   }
332 
333   return 0;
334 }
335 
GetActiveConfig()336 int HWCDisplay::GetActiveConfig() {
337   return 0;
338 }
339 
SetActiveConfig(int index)340 int HWCDisplay::SetActiveConfig(int index) {
341   return -1;
342 }
343 
SetMixerResolution(uint32_t width,uint32_t height)344 DisplayError HWCDisplay::SetMixerResolution(uint32_t width, uint32_t height) {
345   return kErrorNotSupported;
346 }
347 
SetFrameDumpConfig(uint32_t count,uint32_t bit_mask_layer_type)348 void HWCDisplay::SetFrameDumpConfig(uint32_t count, uint32_t bit_mask_layer_type) {
349   dump_frame_count_ = count;
350   dump_frame_index_ = 0;
351   dump_input_layers_ = ((bit_mask_layer_type & (1 << INPUT_LAYER_DUMP)) != 0);
352 
353   if (blit_engine_) {
354     blit_engine_->SetFrameDumpConfig(count);
355   }
356 
357   if (tone_mapper_) {
358     tone_mapper_->SetFrameDumpConfig(count);
359   }
360 
361   DLOGI("num_frame_dump %d, input_layer_dump_enable %d", dump_frame_count_, dump_input_layers_);
362 }
363 
GetLastPowerMode()364 uint32_t HWCDisplay::GetLastPowerMode() {
365   return last_power_mode_;
366 }
367 
VSync(const DisplayEventVSync & vsync)368 DisplayError HWCDisplay::VSync(const DisplayEventVSync &vsync) {
369   const hwc_procs_t *hwc_procs = *hwc_procs_;
370 
371   if (!hwc_procs) {
372     return kErrorParameters;
373   }
374 
375   hwc_procs->vsync(hwc_procs, id_, vsync.timestamp);
376 
377   return kErrorNone;
378 }
379 
Refresh()380 DisplayError HWCDisplay::Refresh() {
381   return kErrorNotSupported;
382 }
383 
CECMessage(char * message)384 DisplayError HWCDisplay::CECMessage(char *message) {
385   if (qservice_) {
386     qservice_->onCECMessageReceived(message, 0);
387   } else {
388     DLOGW("Qservice instance not available.");
389   }
390 
391   return kErrorNone;
392 }
393 
AllocateLayerStack(hwc_display_contents_1_t * content_list)394 int HWCDisplay::AllocateLayerStack(hwc_display_contents_1_t *content_list) {
395   if (!content_list || !content_list->numHwLayers) {
396     DLOGW("Invalid content list");
397     return -EINVAL;
398   }
399 
400   size_t num_hw_layers = content_list->numHwLayers;
401   uint32_t blit_target_count = 0;
402 
403   if (blit_engine_) {
404     blit_target_count = kMaxBlitTargetLayers;
405   }
406 
407   FreeLayerStack();
408 
409   for (size_t i = 0; i < num_hw_layers + blit_target_count; i++) {
410     Layer *layer = new Layer();
411     layer_stack_.layers.push_back(layer);
412   }
413 
414   return 0;
415 }
416 
FreeLayerStack()417 void HWCDisplay::FreeLayerStack() {
418   for (Layer *layer : layer_stack_.layers) {
419     delete layer;
420   }
421   layer_stack_ = {};
422 }
423 
PrepareLayerParams(hwc_layer_1_t * hwc_layer,Layer * layer)424 int HWCDisplay::PrepareLayerParams(hwc_layer_1_t *hwc_layer, Layer* layer) {
425   const private_handle_t *pvt_handle = static_cast<const private_handle_t *>(hwc_layer->handle);
426 
427   LayerBuffer &layer_buffer = layer->input_buffer;
428 
429   if (pvt_handle) {
430     layer_buffer.planes[0].fd = pvt_handle->fd;
431     layer_buffer.format = GetSDMFormat(pvt_handle->format, pvt_handle->flags);
432     int aligned_width, aligned_height;
433     int unaligned_width, unaligned_height;
434 
435     AdrenoMemInfo::getInstance().getAlignedWidthAndHeight(pvt_handle, aligned_width,
436                                                           aligned_height);
437     AdrenoMemInfo::getInstance().getUnalignedWidthAndHeight(pvt_handle, unaligned_width,
438                                                             unaligned_height);
439 
440     layer_buffer.width = UINT32(aligned_width);
441     layer_buffer.height = UINT32(aligned_height);
442     layer_buffer.unaligned_width = UINT32(unaligned_width);
443     layer_buffer.unaligned_height = UINT32(unaligned_height);
444 
445     if (SetMetaData(pvt_handle, layer) != kErrorNone) {
446       return -EINVAL;
447     }
448 
449     if (pvt_handle->bufferType == BUFFER_TYPE_VIDEO) {
450       layer_stack_.flags.video_present = true;
451       layer_buffer.flags.video = true;
452     }
453     // TZ Protected Buffer - L1
454     if (pvt_handle->flags & private_handle_t::PRIV_FLAGS_SECURE_BUFFER) {
455       layer_stack_.flags.secure_present = true;
456       layer_buffer.flags.secure = true;
457       if (pvt_handle->flags & private_handle_t::PRIV_FLAGS_CAMERA_WRITE) {
458         layer_buffer.flags.secure_camera = true;
459       }
460     }
461     // Gralloc Usage Protected Buffer - L3 - which needs to be treated as Secure & avoid fallback
462     if (pvt_handle->flags & private_handle_t::PRIV_FLAGS_PROTECTED_BUFFER) {
463       layer_stack_.flags.secure_present = true;
464     }
465     if (pvt_handle->flags & private_handle_t::PRIV_FLAGS_SECURE_DISPLAY) {
466       layer_buffer.flags.secure_display = true;
467     }
468 
469     // check if this is special solid_fill layer without input_buffer.
470     if (solid_fill_enable_ && pvt_handle->fd == -1) {
471       layer->flags.solid_fill = true;
472       layer->solid_fill_color = solid_fill_color_;
473     }
474   } else {
475     // for FBT layer
476     if (hwc_layer->compositionType == HWC_FRAMEBUFFER_TARGET) {
477       uint32_t x_pixels;
478       uint32_t y_pixels;
479       int aligned_width;
480       int aligned_height;
481       int usage = GRALLOC_USAGE_HW_FB;
482       int format = HAL_PIXEL_FORMAT_RGBA_8888;
483       int ubwc_enabled = 0;
484       int flags = 0;
485       HWCDebugHandler::Get()->GetProperty("debug.gralloc.enable_fb_ubwc", &ubwc_enabled);
486       bool linear = layer_stack_.output_buffer && !IsUBWCFormat(layer_stack_.output_buffer->format);
487       if ((ubwc_enabled == 1) && !linear) {
488         usage |= GRALLOC_USAGE_PRIVATE_ALLOC_UBWC;
489         flags |= private_handle_t::PRIV_FLAGS_UBWC_ALIGNED;
490       }
491 
492       GetFrameBufferResolution(&x_pixels, &y_pixels);
493 
494       AdrenoMemInfo::getInstance().getAlignedWidthAndHeight(INT(x_pixels), INT(y_pixels), format,
495                                                             usage, aligned_width, aligned_height);
496       layer_buffer.width = UINT32(aligned_width);
497       layer_buffer.height = UINT32(aligned_height);
498       layer_buffer.unaligned_width = x_pixels;
499       layer_buffer.unaligned_height = y_pixels;
500       layer_buffer.format = GetSDMFormat(format, flags);
501     }
502   }
503 
504   return 0;
505 }
506 
CommitLayerParams(hwc_layer_1_t * hwc_layer,Layer * layer)507 void HWCDisplay::CommitLayerParams(hwc_layer_1_t *hwc_layer, Layer *layer) {
508   const private_handle_t *pvt_handle = static_cast<const private_handle_t *>(hwc_layer->handle);
509   LayerBuffer &layer_buffer = layer->input_buffer;
510 
511   if (pvt_handle) {
512     layer_buffer.planes[0].fd = pvt_handle->fd;
513     layer_buffer.planes[0].offset = pvt_handle->offset;
514     layer_buffer.planes[0].stride = UINT32(pvt_handle->width);
515     layer_buffer.size = pvt_handle->size;
516   }
517 
518   // if swapinterval property is set to 0 then close and reset the acquireFd
519   if (swap_interval_zero_ && hwc_layer->acquireFenceFd >= 0) {
520     close(hwc_layer->acquireFenceFd);
521     hwc_layer->acquireFenceFd = -1;
522   }
523   layer_buffer.acquire_fence_fd = hwc_layer->acquireFenceFd;
524 }
525 
PrePrepareLayerStack(hwc_display_contents_1_t * content_list)526 int HWCDisplay::PrePrepareLayerStack(hwc_display_contents_1_t *content_list) {
527   if (shutdown_pending_) {
528     return 0;
529   }
530 
531   size_t num_hw_layers = content_list->numHwLayers;
532 
533   use_blit_comp_ = false;
534   metadata_refresh_rate_ = 0;
535   display_rect_ = LayerRect();
536 
537   // Configure each layer
538   for (size_t i = 0; i < num_hw_layers; i++) {
539     hwc_layer_1_t &hwc_layer = content_list->hwLayers[i];
540 
541     const private_handle_t *pvt_handle = static_cast<const private_handle_t *>(hwc_layer.handle);
542     Layer *layer = layer_stack_.layers.at(i);
543     int ret = PrepareLayerParams(&content_list->hwLayers[i], layer);
544 
545     if (ret != kErrorNone) {
546       return ret;
547     }
548 
549     layer->flags.skip = ((hwc_layer.flags & HWC_SKIP_LAYER) > 0);
550     layer->flags.solid_fill = (hwc_layer.flags & kDimLayer) || solid_fill_enable_;
551     if (layer->flags.skip || layer->flags.solid_fill) {
552       layer->dirty_regions.clear();
553     }
554 
555     hwc_rect_t scaled_display_frame = hwc_layer.displayFrame;
556     ApplyScanAdjustment(&scaled_display_frame);
557 
558     SetRect(scaled_display_frame, &layer->dst_rect);
559     if (pvt_handle) {
560         bool NonIntegralSourceCrop =  IsNonIntegralSourceCrop(hwc_layer.sourceCropf);
561         bool secure = (pvt_handle->flags & private_handle_t::PRIV_FLAGS_SECURE_BUFFER) ||
562                 (pvt_handle->flags & private_handle_t::PRIV_FLAGS_PROTECTED_BUFFER) ||
563                 (pvt_handle->flags & private_handle_t::PRIV_FLAGS_SECURE_DISPLAY);
564         if (NonIntegralSourceCrop && (!secure && pvt_handle->bufferType != BUFFER_TYPE_VIDEO)) {
565             layer->flags.skip = true;
566         }
567     }
568     SetRect(hwc_layer.sourceCropf, &layer->src_rect);
569 
570     uint32_t num_visible_rects = UINT32(hwc_layer.visibleRegionScreen.numRects);
571     uint32_t num_dirty_rects = UINT32(hwc_layer.surfaceDamage.numRects);
572 
573     for (uint32_t j = 0; j < num_visible_rects; j++) {
574       LayerRect visible_rect = {};
575       SetRect(hwc_layer.visibleRegionScreen.rects[j], &visible_rect);
576       layer->visible_regions.push_back(visible_rect);
577     }
578 
579     for (uint32_t j = 0; j < num_dirty_rects; j++) {
580       LayerRect dirty_rect = {};
581       SetRect(hwc_layer.surfaceDamage.rects[j], &dirty_rect);
582       layer->dirty_regions.push_back(dirty_rect);
583     }
584 
585     if (blit_engine_) {
586       for (uint32_t j = 0; j < kMaxBlitTargetLayers; j++) {
587         LayerRect blit_rect = {};
588         layer->blit_regions.push_back(blit_rect);
589       }
590     }
591 
592     SetComposition(hwc_layer.compositionType, &layer->composition);
593     if (hwc_layer.compositionType != HWC_FRAMEBUFFER_TARGET) {
594       display_rect_ = Union(display_rect_, layer->dst_rect);
595     }
596 
597     // For dim layers, SurfaceFlinger
598     //    - converts planeAlpha to per pixel alpha,
599     //    - sets appropriate RGB color,
600     //    - sets planeAlpha to 0xff,
601     //    - blending to Premultiplied.
602     // This can be achieved at hardware by
603     //    - solid fill ARGB to appropriate value,
604     //    - incoming planeAlpha,
605     //    - blending to Coverage.
606     if (hwc_layer.flags & kDimLayer) {
607       layer->input_buffer.format = kFormatARGB8888;
608       layer->solid_fill_color = 0xff000000;
609 #ifdef QTI_BSP
610       // Get ARGB color from HWC Dim Layer color
611       uint32_t a = UINT32(hwc_layer.color.a) << 24;
612       uint32_t r = UINT32(hwc_layer.color.r) << 16;
613       uint32_t g = UINT32(hwc_layer.color.g) << 8;
614       uint32_t b = UINT32(hwc_layer.color.b);
615       layer->solid_fill_color = a | r | g | b;
616 #endif
617       SetBlending(HWC_BLENDING_COVERAGE, &layer->blending);
618     } else {
619       SetBlending(hwc_layer.blending, &layer->blending);
620       LayerTransform &layer_transform = layer->transform;
621       uint32_t &hwc_transform = hwc_layer.transform;
622       layer_transform.flip_horizontal = ((hwc_transform & HWC_TRANSFORM_FLIP_H) > 0);
623       layer_transform.flip_vertical = ((hwc_transform & HWC_TRANSFORM_FLIP_V) > 0);
624       layer_transform.rotation = ((hwc_transform & HWC_TRANSFORM_ROT_90) ? 90.0f : 0.0f);
625     }
626 
627     // TODO(user): Remove below block.
628     // For solid fill, only dest rect need to be specified.
629     if (layer->flags.solid_fill) {
630       LayerBuffer &input_buffer = layer->input_buffer;
631       input_buffer.width = UINT32(layer->dst_rect.right - layer->dst_rect.left);
632       input_buffer.height = UINT32(layer->dst_rect.bottom - layer->dst_rect.top);
633       input_buffer.unaligned_width = input_buffer.width;
634       input_buffer.unaligned_height = input_buffer.height;
635       layer->src_rect.left = 0;
636       layer->src_rect.top = 0;
637       layer->src_rect.right = input_buffer.width;
638       layer->src_rect.bottom = input_buffer.height;
639     }
640 
641     layer->plane_alpha = hwc_layer.planeAlpha;
642     layer->flags.cursor = ((hwc_layer.flags & HWC_IS_CURSOR_LAYER) > 0);
643     layer->flags.updating = true;
644 
645     if (num_hw_layers <= kMaxLayerCount) {
646       layer->flags.updating = IsLayerUpdating(content_list, layer);
647     }
648 #ifdef QTI_BSP
649     if (hwc_layer.flags & HWC_SCREENSHOT_ANIMATOR_LAYER) {
650       layer_stack_.flags.animating = true;
651     }
652 #endif
653     if (layer->flags.skip) {
654       layer_stack_.flags.skip_present = true;
655     }
656 
657     if (layer->flags.cursor) {
658       layer_stack_.flags.cursor_present = true;
659     }
660 
661     PrepareDynamicRefreshRate(layer);
662 
663     layer->input_buffer.buffer_id = reinterpret_cast<uint64_t>(hwc_layer.handle);
664   }
665 
666   // Prepare the Blit Target
667   if (blit_engine_) {
668   // TODO(user): Fix this to enable BLIT
669 #if 0
670     int ret = blit_engine_->Prepare(&layer_stack_);
671     if (ret) {
672       // Blit engine cannot handle this layer stack, hence set the layer stack
673       // count to num_hw_layers
674       layer_stack_.layer_count -= kMaxBlitTargetLayers;
675     } else {
676       use_blit_comp_ = true;
677     }
678 #endif
679   }
680 
681   // Configure layer stack
682   layer_stack_.flags.geometry_changed = ((content_list->flags & HWC_GEOMETRY_CHANGED) > 0);
683 
684   return 0;
685 }
686 
SetLayerS3DMode(const LayerBufferS3DFormat & source,uint32_t * target)687 void HWCDisplay::SetLayerS3DMode(const LayerBufferS3DFormat &source, uint32_t *target) {
688 #ifdef QTI_BSP
689     switch (source) {
690     case kS3dFormatNone: *target = HWC_S3DMODE_NONE; break;
691     case kS3dFormatLeftRight: *target = HWC_S3DMODE_LR; break;
692     case kS3dFormatRightLeft: *target = HWC_S3DMODE_RL; break;
693     case kS3dFormatTopBottom: *target = HWC_S3DMODE_TB; break;
694     case kS3dFormatFramePacking: *target = HWC_S3DMODE_FP; break;
695     default: *target = HWC_S3DMODE_MAX; break;
696     }
697 #endif
698 }
699 
PrepareLayerStack(hwc_display_contents_1_t * content_list)700 int HWCDisplay::PrepareLayerStack(hwc_display_contents_1_t *content_list) {
701   if (shutdown_pending_) {
702     return 0;
703   }
704 
705   size_t num_hw_layers = content_list->numHwLayers;
706 
707   if (!skip_prepare_cnt) {
708     DisplayError error = display_intf_->Prepare(&layer_stack_);
709     if (error != kErrorNone) {
710       if (error == kErrorShutDown) {
711         shutdown_pending_ = true;
712       } else if ((error != kErrorPermission) && (error != kErrorNoAppLayers)) {
713         DLOGE("Prepare failed. Error = %d", error);
714         // To prevent surfaceflinger infinite wait, flush the previous frame during Commit()
715         // so that previous buffer and fences are released, and override the error.
716         flush_ = true;
717       } else {
718         DLOGV("Prepare failed for Display = %d Error = %d", type_, error);
719       }
720       return 0;
721     }
722   } else {
723     // Skip is not set
724     MarkLayersForGPUBypass(content_list);
725     skip_prepare_cnt = skip_prepare_cnt - 1;
726     DLOGI("SecureDisplay %s, Skip Prepare/Commit and Flush", secure_display_active_ ? "Starting" :
727           "Stopping");
728     flush_ = true;
729   }
730 
731   for (size_t i = 0; i < num_hw_layers; i++) {
732     hwc_layer_1_t &hwc_layer = content_list->hwLayers[i];
733     Layer *layer = layer_stack_.layers.at(i);
734     LayerComposition composition = layer->composition;
735     private_handle_t* pvt_handle  = static_cast<private_handle_t*>
736       (const_cast<native_handle_t*>(hwc_layer.handle));
737     MetaData_t *meta_data = pvt_handle ?
738       reinterpret_cast<MetaData_t *>(pvt_handle->base_metadata) : NULL;
739 
740     if ((composition == kCompositionSDE) || (composition == kCompositionHybrid) ||
741         (composition == kCompositionBlit)) {
742       hwc_layer.hints |= HWC_HINT_CLEAR_FB;
743     }
744     SetComposition(composition, &hwc_layer.compositionType);
745 
746     if (meta_data != NULL) {
747       if (composition == kCompositionGPUS3D) {
748         // Align HWC and client's dispaly ID in case of HDMI as primary
749         meta_data->s3dComp.displayId =
750           display_intf_->IsPrimaryDisplay() ? HWC_DISPLAY_PRIMARY: id_;
751         SetLayerS3DMode(layer->input_buffer.s3d_format,
752             &meta_data->s3dComp.s3dMode);
753       }
754     }
755   }
756 
757   return 0;
758 }
759 
CommitLayerStack(hwc_display_contents_1_t * content_list)760 int HWCDisplay::CommitLayerStack(hwc_display_contents_1_t *content_list) {
761   if (!content_list || !content_list->numHwLayers) {
762     DLOGW("Invalid content list");
763     return -EINVAL;
764   }
765 
766   if (shutdown_pending_) {
767     return 0;
768   }
769 
770   int status = 0;
771 
772   size_t num_hw_layers = content_list->numHwLayers;
773 
774   DumpInputBuffers(content_list);
775 
776   if (!flush_) {
777     for (size_t i = 0; i < num_hw_layers; i++) {
778       CommitLayerParams(&content_list->hwLayers[i], layer_stack_.layers.at(i));
779     }
780 
781     if (use_blit_comp_) {
782       status = blit_engine_->PreCommit(content_list, &layer_stack_);
783       if (status == 0) {
784         status = blit_engine_->Commit(content_list, &layer_stack_);
785         if (status != 0) {
786           DLOGE("Blit Comp Failed!");
787         }
788       }
789     }
790 
791     if (layer_stack_.flags.hdr_present) {
792       status = tone_mapper_->HandleToneMap(content_list, &layer_stack_);
793       if (status != 0) {
794         DLOGE("Error handling HDR in ToneMapper");
795       }
796     } else {
797       tone_mapper_->Terminate();
798     }
799 
800     DisplayError error = kErrorUndefined;
801     if (status == 0) {
802       error = display_intf_->Commit(&layer_stack_);
803       status = 0;
804     }
805 
806     if (error == kErrorNone) {
807       // A commit is successfully submitted, start flushing on failure now onwards.
808       flush_on_error_ = true;
809     } else {
810       if (error == kErrorShutDown) {
811         shutdown_pending_ = true;
812         return status;
813       } else if (error != kErrorPermission) {
814         DLOGE("Commit failed. Error = %d", error);
815         // To prevent surfaceflinger infinite wait, flush the previous frame during Commit()
816         // so that previous buffer and fences are released, and override the error.
817         flush_ = true;
818       } else {
819         DLOGI("Commit failed for Display = %d Error = %d", type_, error);
820       }
821     }
822   }
823 
824   return status;
825 }
826 
PostCommitLayerStack(hwc_display_contents_1_t * content_list)827 int HWCDisplay::PostCommitLayerStack(hwc_display_contents_1_t *content_list) {
828   size_t num_hw_layers = content_list->numHwLayers;
829   int status = 0;
830 
831   // Do no call flush on errors, if a successful buffer is never submitted.
832   if (flush_ && flush_on_error_) {
833     display_intf_->Flush();
834   }
835 
836 
837   if (tone_mapper_ && tone_mapper_->IsActive()) {
838      tone_mapper_->PostCommit(&layer_stack_);
839   }
840 
841   // Set the release fence fd to the blit engine
842   if (use_blit_comp_ && blit_engine_->BlitActive()) {
843     blit_engine_->PostCommit(&layer_stack_);
844   }
845 
846   for (size_t i = 0; i < num_hw_layers; i++) {
847     hwc_layer_1_t &hwc_layer = content_list->hwLayers[i];
848     Layer *layer = layer_stack_.layers.at(i);
849     LayerBuffer &layer_buffer = layer->input_buffer;
850 
851     if (!flush_) {
852       // If swapinterval property is set to 0 or for single buffer layers, do not update f/w
853       // release fences and discard fences from driver
854       if (swap_interval_zero_ || layer->flags.single_buffer) {
855         hwc_layer.releaseFenceFd = -1;
856         close(layer_buffer.release_fence_fd);
857         layer_buffer.release_fence_fd = -1;
858       } else if (layer->composition != kCompositionGPU) {
859         hwc_layer.releaseFenceFd = layer_buffer.release_fence_fd;
860       }
861 
862       // During animation on external/virtual display, SDM will use the cached
863       // framebuffer layer throughout animation and do not allow framework to do eglswapbuffer on
864       // framebuffer target. So graphics doesn't close the release fence fd of framebuffer target,
865       // Hence close the release fencefd of framebuffer target here.
866       if (disable_animation_) {
867         if (layer->composition == kCompositionGPUTarget && animating_) {
868           close(hwc_layer.releaseFenceFd);
869           hwc_layer.releaseFenceFd = -1;
870         }
871       }
872     }
873 
874     if (hwc_layer.acquireFenceFd >= 0) {
875       close(hwc_layer.acquireFenceFd);
876       hwc_layer.acquireFenceFd = -1;
877     }
878   }
879 
880   if (!flush_) {
881     animating_ = layer_stack_.flags.animating;
882     // if swapinterval property is set to 0 then close and reset the list retire fence
883     if (swap_interval_zero_) {
884       close(layer_stack_.retire_fence_fd);
885       layer_stack_.retire_fence_fd = -1;
886     }
887     content_list->retireFenceFd = layer_stack_.retire_fence_fd;
888 
889     if (dump_frame_count_) {
890       dump_frame_count_--;
891       dump_frame_index_++;
892     }
893   }
894 
895   flush_ = false;
896 
897   return status;
898 }
899 
IsLayerUpdating(hwc_display_contents_1_t * content_list,const Layer * layer)900 bool HWCDisplay::IsLayerUpdating(hwc_display_contents_1_t *content_list, const Layer *layer) {
901   // Layer should be considered updating if
902   //   a) layer is in single buffer mode, or
903   //   b) valid dirty_regions(android specific hint for updating status), or
904   //   c) layer stack geometry has changed
905   return (layer->flags.single_buffer || IsSurfaceUpdated(layer->dirty_regions) ||
906          (layer_stack_.flags.geometry_changed));
907 }
908 
IsNonIntegralSourceCrop(const hwc_frect_t & source)909 bool HWCDisplay::IsNonIntegralSourceCrop(const hwc_frect_t &source) {
910      if ((source.left != roundf(source.left)) ||
911          (source.top != roundf(source.top)) ||
912          (source.right != roundf(source.right)) ||
913          (source.bottom != roundf(source.bottom))) {
914          return true;
915      } else {
916          return false;
917      }
918 }
919 
SetRect(const hwc_rect_t & source,LayerRect * target)920 void HWCDisplay::SetRect(const hwc_rect_t &source, LayerRect *target) {
921   target->left = FLOAT(source.left);
922   target->top = FLOAT(source.top);
923   target->right = FLOAT(source.right);
924   target->bottom = FLOAT(source.bottom);
925 }
926 
SetRect(const hwc_frect_t & source,LayerRect * target)927 void HWCDisplay::SetRect(const hwc_frect_t &source, LayerRect *target) {
928   target->left = floorf(source.left);
929   target->top = floorf(source.top);
930   target->right = ceilf(source.right);
931   target->bottom = ceilf(source.bottom);
932 }
933 
SetComposition(const int32_t & source,LayerComposition * target)934 void HWCDisplay::SetComposition(const int32_t &source, LayerComposition *target) {
935   switch (source) {
936   case HWC_FRAMEBUFFER_TARGET:  *target = kCompositionGPUTarget;  break;
937   default:                      *target = kCompositionGPU;        break;
938   }
939 }
940 
SetComposition(const LayerComposition & source,int32_t * target)941 void HWCDisplay::SetComposition(const LayerComposition &source, int32_t *target) {
942   switch (source) {
943   case kCompositionGPUTarget:   *target = HWC_FRAMEBUFFER_TARGET; break;
944   case kCompositionGPU:         *target = HWC_FRAMEBUFFER;        break;
945   case kCompositionGPUS3D:      *target = HWC_FRAMEBUFFER;        break;
946   case kCompositionHWCursor:    *target = HWC_CURSOR_OVERLAY;     break;
947   default:                      *target = HWC_OVERLAY;            break;
948   }
949 }
950 
SetBlending(const int32_t & source,LayerBlending * target)951 void HWCDisplay::SetBlending(const int32_t &source, LayerBlending *target) {
952   switch (source) {
953   case HWC_BLENDING_PREMULT:    *target = kBlendingPremultiplied;   break;
954   case HWC_BLENDING_COVERAGE:   *target = kBlendingCoverage;        break;
955   default:                      *target = kBlendingOpaque;          break;
956   }
957 }
958 
SetIdleTimeoutMs(uint32_t timeout_ms)959 void HWCDisplay::SetIdleTimeoutMs(uint32_t timeout_ms) {
960   return;
961 }
962 
SetMaxMixerStages(uint32_t max_mixer_stages)963 DisplayError HWCDisplay::SetMaxMixerStages(uint32_t max_mixer_stages) {
964   DisplayError error = kErrorNone;
965 
966   if (display_intf_) {
967     error = display_intf_->SetMaxMixerStages(max_mixer_stages);
968   }
969 
970   return error;
971 }
972 
GetSDMFormat(const int32_t & source,const int flags)973 LayerBufferFormat HWCDisplay::GetSDMFormat(const int32_t &source, const int flags) {
974   LayerBufferFormat format = kFormatInvalid;
975   if (flags & private_handle_t::PRIV_FLAGS_UBWC_ALIGNED) {
976     switch (source) {
977     case HAL_PIXEL_FORMAT_RGBA_8888:           format = kFormatRGBA8888Ubwc;            break;
978     case HAL_PIXEL_FORMAT_RGBX_8888:           format = kFormatRGBX8888Ubwc;            break;
979     case HAL_PIXEL_FORMAT_BGR_565:             format = kFormatBGR565Ubwc;              break;
980     case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS:
981     case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS_UBWC:
982     case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:     format = kFormatYCbCr420SPVenusUbwc;     break;
983     case HAL_PIXEL_FORMAT_RGBA_1010102:        format = kFormatRGBA1010102Ubwc;         break;
984     case HAL_PIXEL_FORMAT_RGBX_1010102:        format = kFormatRGBX1010102Ubwc;         break;
985     case HAL_PIXEL_FORMAT_YCbCr_420_TP10_UBWC: format = kFormatYCbCr420TP10Ubwc;        break;
986     case HAL_PIXEL_FORMAT_YCbCr_420_P010_UBWC: format = kFormatYCbCr420P010Ubwc;        break;
987     default:
988       DLOGE("Unsupported format type for UBWC %d", source);
989       return kFormatInvalid;
990     }
991     return format;
992   }
993 
994   switch (source) {
995   case HAL_PIXEL_FORMAT_RGBA_8888:                format = kFormatRGBA8888;                 break;
996   case HAL_PIXEL_FORMAT_RGBA_5551:                format = kFormatRGBA5551;                 break;
997   case HAL_PIXEL_FORMAT_RGBA_4444:                format = kFormatRGBA4444;                 break;
998   case HAL_PIXEL_FORMAT_BGRA_8888:                format = kFormatBGRA8888;                 break;
999   case HAL_PIXEL_FORMAT_RGBX_8888:                format = kFormatRGBX8888;                 break;
1000   case HAL_PIXEL_FORMAT_BGRX_8888:                format = kFormatBGRX8888;                 break;
1001   case HAL_PIXEL_FORMAT_RGB_888:                  format = kFormatRGB888;                   break;
1002   case HAL_PIXEL_FORMAT_RGB_565:                  format = kFormatRGB565;                   break;
1003   case HAL_PIXEL_FORMAT_BGR_565:                  format = kFormatBGR565;                   break;
1004   case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
1005   case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS:       format = kFormatYCbCr420SemiPlanarVenus;  break;
1006   case HAL_PIXEL_FORMAT_YCrCb_420_SP_VENUS:       format = kFormatYCrCb420SemiPlanarVenus;  break;
1007   case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS_UBWC:  format = kFormatYCbCr420SPVenusUbwc;      break;
1008   case HAL_PIXEL_FORMAT_YV12:                     format = kFormatYCrCb420PlanarStride16;   break;
1009   case HAL_PIXEL_FORMAT_YCrCb_420_SP:             format = kFormatYCrCb420SemiPlanar;       break;
1010   case HAL_PIXEL_FORMAT_YCbCr_420_SP:             format = kFormatYCbCr420SemiPlanar;       break;
1011   case HAL_PIXEL_FORMAT_YCbCr_422_SP:             format = kFormatYCbCr422H2V1SemiPlanar;   break;
1012   case HAL_PIXEL_FORMAT_YCbCr_422_I:              format = kFormatYCbCr422H2V1Packed;       break;
1013   case HAL_PIXEL_FORMAT_CbYCrY_422_I:             format = kFormatCbYCrY422H2V1Packed;      break;
1014   case HAL_PIXEL_FORMAT_RGBA_1010102:             format = kFormatRGBA1010102;              break;
1015   case HAL_PIXEL_FORMAT_ARGB_2101010:             format = kFormatARGB2101010;              break;
1016   case HAL_PIXEL_FORMAT_RGBX_1010102:             format = kFormatRGBX1010102;              break;
1017   case HAL_PIXEL_FORMAT_XRGB_2101010:             format = kFormatXRGB2101010;              break;
1018   case HAL_PIXEL_FORMAT_BGRA_1010102:             format = kFormatBGRA1010102;              break;
1019   case HAL_PIXEL_FORMAT_ABGR_2101010:             format = kFormatABGR2101010;              break;
1020   case HAL_PIXEL_FORMAT_BGRX_1010102:             format = kFormatBGRX1010102;              break;
1021   case HAL_PIXEL_FORMAT_XBGR_2101010:             format = kFormatXBGR2101010;              break;
1022   case HAL_PIXEL_FORMAT_YCbCr_420_P010:           format = kFormatYCbCr420P010;             break;
1023   case HAL_PIXEL_FORMAT_YCbCr_420_TP10_UBWC:      format = kFormatYCbCr420TP10Ubwc;         break;
1024   case HAL_PIXEL_FORMAT_YCbCr_420_P010_UBWC:      format = kFormatYCbCr420P010Ubwc;         break;
1025   default:
1026     DLOGW("Unsupported format type = %d", source);
1027     return kFormatInvalid;
1028   }
1029 
1030   return format;
1031 }
1032 
DumpInputBuffers(hwc_display_contents_1_t * content_list)1033 void HWCDisplay::DumpInputBuffers(hwc_display_contents_1_t *content_list) {
1034   size_t num_hw_layers = content_list->numHwLayers;
1035   char dir_path[PATH_MAX];
1036 
1037   if (!dump_frame_count_ || flush_ || !dump_input_layers_) {
1038     return;
1039   }
1040 
1041   snprintf(dir_path, sizeof(dir_path), "/data/misc/display/frame_dump_%s", GetDisplayString());
1042 
1043   if (mkdir(dir_path, 0777) != 0 && errno != EEXIST) {
1044     DLOGW("Failed to create %s directory errno = %d, desc = %s", dir_path, errno, strerror(errno));
1045     return;
1046   }
1047 
1048   // if directory exists already, need to explicitly change the permission.
1049   if (errno == EEXIST && chmod(dir_path, 0777) != 0) {
1050     DLOGW("Failed to change permissions on %s directory", dir_path);
1051     return;
1052   }
1053 
1054   for (uint32_t i = 0; i < num_hw_layers; i++) {
1055     hwc_layer_1_t &hwc_layer = content_list->hwLayers[i];
1056     const private_handle_t *pvt_handle = static_cast<const private_handle_t *>(hwc_layer.handle);
1057 
1058     if (hwc_layer.acquireFenceFd >= 0) {
1059       int error = sync_wait(hwc_layer.acquireFenceFd, 1000);
1060       if (error < 0) {
1061         DLOGW("sync_wait error errno = %d, desc = %s", errno, strerror(errno));
1062         return;
1063       }
1064     }
1065 
1066     if (pvt_handle && pvt_handle->base) {
1067       char dump_file_name[PATH_MAX];
1068       size_t result = 0;
1069 
1070       snprintf(dump_file_name, sizeof(dump_file_name), "%s/input_layer%d_%dx%d_%s_frame%d.raw",
1071                dir_path, i, pvt_handle->width, pvt_handle->height,
1072                qdutils::GetHALPixelFormatString(pvt_handle->format), dump_frame_index_);
1073 
1074       FILE* fp = fopen(dump_file_name, "w+");
1075       if (fp) {
1076         result = fwrite(reinterpret_cast<void *>(pvt_handle->base), pvt_handle->size, 1, fp);
1077         fclose(fp);
1078       }
1079 
1080       DLOGI("Frame Dump %s: is %s", dump_file_name, result ? "Successful" : "Failed");
1081     }
1082   }
1083 }
1084 
DumpOutputBuffer(const BufferInfo & buffer_info,void * base,int fence)1085 void HWCDisplay::DumpOutputBuffer(const BufferInfo& buffer_info, void *base, int fence) {
1086   char dir_path[PATH_MAX];
1087 
1088   snprintf(dir_path, sizeof(dir_path), "/data/misc/display/frame_dump_%s", GetDisplayString());
1089 
1090   if (mkdir(dir_path, 777) != 0 && errno != EEXIST) {
1091     DLOGW("Failed to create %s directory errno = %d, desc = %s", dir_path, errno, strerror(errno));
1092     return;
1093   }
1094 
1095   // if directory exists already, need to explicitly change the permission.
1096   if (errno == EEXIST && chmod(dir_path, 0777) != 0) {
1097     DLOGW("Failed to change permissions on %s directory", dir_path);
1098     return;
1099   }
1100 
1101   if (base) {
1102     char dump_file_name[PATH_MAX];
1103     size_t result = 0;
1104 
1105     if (fence >= 0) {
1106       int error = sync_wait(fence, 1000);
1107       if (error < 0) {
1108         DLOGW("sync_wait error errno = %d, desc = %s", errno,  strerror(errno));
1109         return;
1110       }
1111     }
1112 
1113     snprintf(dump_file_name, sizeof(dump_file_name), "%s/output_layer_%dx%d_%s_frame%d.raw",
1114              dir_path, buffer_info.alloc_buffer_info.aligned_width,
1115              buffer_info.alloc_buffer_info.aligned_height,
1116              GetFormatString(buffer_info.buffer_config.format), dump_frame_index_);
1117 
1118     FILE* fp = fopen(dump_file_name, "w+");
1119     if (fp) {
1120       result = fwrite(base, buffer_info.alloc_buffer_info.size, 1, fp);
1121       fclose(fp);
1122     }
1123 
1124     DLOGI("Frame Dump of %s is %s", dump_file_name, result ? "Successful" : "Failed");
1125   }
1126 }
1127 
GetDisplayString()1128 const char *HWCDisplay::GetDisplayString() {
1129   switch (type_) {
1130   case kPrimary:
1131     return "primary";
1132   case kHDMI:
1133     return "hdmi";
1134   case kVirtual:
1135     return "virtual";
1136   default:
1137     return "invalid";
1138   }
1139 }
1140 
SetFrameBufferResolution(uint32_t x_pixels,uint32_t y_pixels)1141 int HWCDisplay::SetFrameBufferResolution(uint32_t x_pixels, uint32_t y_pixels) {
1142   DisplayConfigVariableInfo fb_config;
1143   DisplayError error = display_intf_->GetFrameBufferConfig(&fb_config);
1144   if (error != kErrorNone) {
1145     DLOGV("Get frame buffer config failed. Error = %d", error);
1146     return -EINVAL;
1147   }
1148 
1149   fb_config.x_pixels = x_pixels;
1150   fb_config.y_pixels = y_pixels;
1151 
1152   error = display_intf_->SetFrameBufferConfig(fb_config);
1153   if (error != kErrorNone) {
1154     DLOGV("Set frame buffer config failed. Error = %d", error);
1155     return -EINVAL;
1156   }
1157 
1158   DLOGI("New framebuffer resolution (%dx%d)", x_pixels, y_pixels);
1159 
1160   return 0;
1161 }
1162 
GetFrameBufferResolution(uint32_t * x_pixels,uint32_t * y_pixels)1163 void HWCDisplay::GetFrameBufferResolution(uint32_t *x_pixels, uint32_t *y_pixels) {
1164   DisplayConfigVariableInfo fb_config;
1165   display_intf_->GetFrameBufferConfig(&fb_config);
1166 
1167   *x_pixels = fb_config.x_pixels;
1168   *y_pixels = fb_config.y_pixels;
1169 }
1170 
GetMixerResolution(uint32_t * x_pixels,uint32_t * y_pixels)1171 DisplayError HWCDisplay::GetMixerResolution(uint32_t *x_pixels, uint32_t *y_pixels) {
1172   return display_intf_->GetMixerResolution(x_pixels, y_pixels);
1173 }
1174 
1175 
GetPanelResolution(uint32_t * x_pixels,uint32_t * y_pixels)1176 void HWCDisplay::GetPanelResolution(uint32_t *x_pixels, uint32_t *y_pixels) {
1177   DisplayConfigVariableInfo display_config;
1178   uint32_t active_index = 0;
1179 
1180   display_intf_->GetActiveConfig(&active_index);
1181   display_intf_->GetConfig(active_index, &display_config);
1182 
1183   *x_pixels = display_config.x_pixels;
1184   *y_pixels = display_config.y_pixels;
1185 }
1186 
SetDisplayStatus(uint32_t display_status)1187 int HWCDisplay::SetDisplayStatus(uint32_t display_status) {
1188   int status = 0;
1189   const hwc_procs_t *hwc_procs = *hwc_procs_;
1190 
1191   switch (display_status) {
1192   case kDisplayStatusResume:
1193     display_paused_ = false;
1194   case kDisplayStatusOnline:
1195     status = SetPowerMode(HWC_POWER_MODE_NORMAL);
1196     break;
1197   case kDisplayStatusPause:
1198     display_paused_ = true;
1199   case kDisplayStatusOffline:
1200     status = SetPowerMode(HWC_POWER_MODE_OFF);
1201     break;
1202   default:
1203     DLOGW("Invalid display status %d", display_status);
1204     return -EINVAL;
1205   }
1206 
1207   if (display_status == kDisplayStatusResume ||
1208       display_status == kDisplayStatusPause) {
1209     hwc_procs->invalidate(hwc_procs);
1210   }
1211 
1212   return status;
1213 }
1214 
SetCursorPosition(int x,int y)1215 int HWCDisplay::SetCursorPosition(int x, int y) {
1216   DisplayError error = kErrorNone;
1217 
1218   if (shutdown_pending_) {
1219     return 0;
1220   }
1221 
1222   error = display_intf_->SetCursorPosition(x, y);
1223   if (error != kErrorNone) {
1224     if (error == kErrorShutDown) {
1225       shutdown_pending_ = true;
1226       return 0;
1227     }
1228     DLOGE("Failed for x = %d y = %d, Error = %d", x, y, error);
1229     return -1;
1230   }
1231 
1232   return 0;
1233 }
1234 
OnMinHdcpEncryptionLevelChange(uint32_t min_enc_level)1235 int HWCDisplay::OnMinHdcpEncryptionLevelChange(uint32_t min_enc_level) {
1236   DisplayError error = display_intf_->OnMinHdcpEncryptionLevelChange(min_enc_level);
1237   if (error != kErrorNone) {
1238     DLOGE("Failed. Error = %d", error);
1239     return -1;
1240   }
1241 
1242   return 0;
1243 }
1244 
MarkLayersForGPUBypass(hwc_display_contents_1_t * content_list)1245 void HWCDisplay::MarkLayersForGPUBypass(hwc_display_contents_1_t *content_list) {
1246   for (size_t i = 0 ; i < (content_list->numHwLayers - 1); i++) {
1247     hwc_layer_1_t *layer = &content_list->hwLayers[i];
1248     layer->compositionType = HWC_OVERLAY;
1249   }
1250 }
1251 
ApplyScanAdjustment(hwc_rect_t * display_frame)1252 void HWCDisplay::ApplyScanAdjustment(hwc_rect_t *display_frame) {
1253 }
1254 
SetCSC(const MetaData_t * meta_data,ColorMetaData * color_metadata)1255 DisplayError HWCDisplay::SetCSC(const MetaData_t *meta_data, ColorMetaData *color_metadata) {
1256   if (meta_data->operation & COLOR_METADATA) {
1257 #ifdef USE_COLOR_METADATA
1258     *color_metadata = meta_data->color;
1259 #endif
1260   } else if (meta_data->operation & UPDATE_COLOR_SPACE) {
1261     ColorSpace_t csc = meta_data->colorSpace;
1262     color_metadata->range = Range_Limited;
1263 
1264     if (csc == ITU_R_601_FR || csc == ITU_R_2020_FR) {
1265       color_metadata->range = Range_Full;
1266     }
1267 
1268     switch (csc) {
1269     case ITU_R_601:
1270     case ITU_R_601_FR:
1271       // display driver uses 601 irrespective of 525 or 625
1272       color_metadata->colorPrimaries = ColorPrimaries_BT601_6_525;
1273       break;
1274     case ITU_R_709:
1275       color_metadata->colorPrimaries = ColorPrimaries_BT709_5;
1276       break;
1277     case ITU_R_2020:
1278     case ITU_R_2020_FR:
1279       color_metadata->colorPrimaries = ColorPrimaries_BT2020;
1280       break;
1281     default:
1282       DLOGE("Unsupported CSC: %d", csc);
1283       return kErrorNotSupported;
1284     }
1285   }
1286 
1287   return kErrorNone;
1288 }
1289 
SetIGC(IGC_t source,LayerIGC * target)1290 DisplayError HWCDisplay::SetIGC(IGC_t source, LayerIGC *target) {
1291   switch (source) {
1292   case IGC_NotSpecified:    *target = kIGCNotSpecified; break;
1293   case IGC_sRGB:            *target = kIGCsRGB;   break;
1294   default:
1295     DLOGE("Unsupported IGC: %d", source);
1296     return kErrorNotSupported;
1297   }
1298 
1299   return kErrorNone;
1300 }
1301 
SetMetaData(const private_handle_t * pvt_handle,Layer * layer)1302 DisplayError HWCDisplay::SetMetaData(const private_handle_t *pvt_handle, Layer *layer) {
1303   const MetaData_t *meta_data = reinterpret_cast<MetaData_t *>(pvt_handle->base_metadata);
1304   LayerBuffer &layer_buffer = layer->input_buffer;
1305 
1306   if (!meta_data) {
1307     return kErrorNone;
1308   }
1309 
1310   if (SetCSC(meta_data, &layer_buffer.color_metadata) != kErrorNone) {
1311     return kErrorNotSupported;
1312   }
1313 
1314   bool hdr_layer = layer_buffer.color_metadata.colorPrimaries == ColorPrimaries_BT2020 &&
1315                    (layer_buffer.color_metadata.transfer == Transfer_SMPTE_ST2084 ||
1316                    layer_buffer.color_metadata.transfer == Transfer_HLG);
1317   if (hdr_layer && !disable_hdr_handling_) {
1318     // dont honor HDR when its handling is disabled
1319     layer_buffer.flags.hdr = true;
1320     layer_stack_.flags.hdr_present = true;
1321   }
1322 
1323   if (meta_data->operation & SET_IGC) {
1324     if (SetIGC(meta_data->igc, &layer_buffer.igc) != kErrorNone) {
1325       return kErrorNotSupported;
1326     }
1327   }
1328 
1329   if (meta_data->operation & UPDATE_REFRESH_RATE) {
1330     layer->frame_rate = RoundToStandardFPS(meta_data->refreshrate);
1331   }
1332 
1333   if ((meta_data->operation & PP_PARAM_INTERLACED) && meta_data->interlaced) {
1334     layer_buffer.flags.interlace = true;
1335   }
1336 
1337   if (meta_data->operation & LINEAR_FORMAT) {
1338     layer_buffer.format = GetSDMFormat(INT32(meta_data->linearFormat), 0);
1339   }
1340 
1341   if (meta_data->operation & SET_SINGLE_BUFFER_MODE) {
1342     layer->flags.single_buffer = meta_data->isSingleBufferMode;
1343     // Graphics can set this operation on all types of layers including FB and set the actual value
1344     // to 0. To protect against SET operations of 0 value, we need to do a logical OR.
1345     layer_stack_.flags.single_buffered_layer_present |= meta_data->isSingleBufferMode;
1346   }
1347 
1348   if (meta_data->operation & S3D_FORMAT) {
1349     std::map<int, LayerBufferS3DFormat>::iterator it =
1350         s3d_format_hwc_to_sdm_.find(INT32(meta_data->s3dFormat));
1351     if (it != s3d_format_hwc_to_sdm_.end()) {
1352       layer->input_buffer.s3d_format = it->second;
1353     } else {
1354       DLOGW("Invalid S3D format %d", meta_data->s3dFormat);
1355     }
1356   }
1357 
1358   return kErrorNone;
1359 }
1360 
SetPanelBrightness(int level)1361 int HWCDisplay::SetPanelBrightness(int level) {
1362   int ret = 0;
1363   if (display_intf_)
1364     ret = display_intf_->SetPanelBrightness(level);
1365   else
1366     ret = -EINVAL;
1367 
1368   return ret;
1369 }
1370 
GetPanelBrightness(int * level)1371 int HWCDisplay::GetPanelBrightness(int *level) {
1372   return display_intf_->GetPanelBrightness(level);
1373 }
1374 
CachePanelBrightness(int level)1375 int HWCDisplay::CachePanelBrightness(int level) {
1376   int ret = 0;
1377   if (display_intf_)
1378     ret = display_intf_->CachePanelBrightness(level);
1379   else
1380     ret = -EINVAL;
1381 
1382   return ret;
1383 }
1384 
ToggleScreenUpdates(bool enable)1385 int HWCDisplay::ToggleScreenUpdates(bool enable) {
1386   const hwc_procs_t *hwc_procs = *hwc_procs_;
1387   display_paused_ = enable ? false : true;
1388   hwc_procs->invalidate(hwc_procs);
1389   return 0;
1390 }
1391 
ColorSVCRequestRoute(const PPDisplayAPIPayload & in_payload,PPDisplayAPIPayload * out_payload,PPPendingParams * pending_action)1392 int HWCDisplay::ColorSVCRequestRoute(const PPDisplayAPIPayload &in_payload,
1393                                      PPDisplayAPIPayload *out_payload,
1394                                      PPPendingParams *pending_action) {
1395   int ret = 0;
1396 
1397   if (display_intf_)
1398     ret = display_intf_->ColorSVCRequestRoute(in_payload, out_payload, pending_action);
1399   else
1400     ret = -EINVAL;
1401 
1402   return ret;
1403 }
1404 
GetVisibleDisplayRect(hwc_rect_t * visible_rect)1405 int HWCDisplay::GetVisibleDisplayRect(hwc_rect_t* visible_rect) {
1406   if (!IsValid(display_rect_)) {
1407     return -EINVAL;
1408   }
1409 
1410   visible_rect->left = INT(display_rect_.left);
1411   visible_rect->top = INT(display_rect_.top);
1412   visible_rect->right = INT(display_rect_.right);
1413   visible_rect->bottom = INT(display_rect_.bottom);
1414   DLOGI("Dpy = %d Visible Display Rect(%d %d %d %d)", visible_rect->left, visible_rect->top,
1415         visible_rect->right, visible_rect->bottom);
1416 
1417   return 0;
1418 }
1419 
SetSecureDisplay(bool secure_display_active,bool force_flush)1420 void HWCDisplay::SetSecureDisplay(bool secure_display_active, bool force_flush) {
1421   secure_display_active_ = secure_display_active;
1422   return;
1423 }
1424 
SetActiveDisplayConfig(int config)1425 int HWCDisplay::SetActiveDisplayConfig(int config) {
1426   return display_intf_->SetActiveConfig(UINT32(config)) == kErrorNone ? 0 : -1;
1427 }
1428 
GetActiveDisplayConfig(uint32_t * config)1429 int HWCDisplay::GetActiveDisplayConfig(uint32_t *config) {
1430   return display_intf_->GetActiveConfig(config) == kErrorNone ? 0 : -1;
1431 }
1432 
GetDisplayConfigCount(uint32_t * count)1433 int HWCDisplay::GetDisplayConfigCount(uint32_t *count) {
1434   return display_intf_->GetNumVariableInfoConfigs(count) == kErrorNone ? 0 : -1;
1435 }
1436 
GetDisplayAttributesForConfig(int config,DisplayConfigVariableInfo * display_attributes)1437 int HWCDisplay::GetDisplayAttributesForConfig(int config,
1438                                             DisplayConfigVariableInfo *display_attributes) {
1439   return display_intf_->GetConfig(UINT32(config), display_attributes) == kErrorNone ? 0 : -1;
1440 }
1441 
GetDisplayFixedConfig(DisplayConfigFixedInfo * fixed_info)1442 int HWCDisplay::GetDisplayFixedConfig(DisplayConfigFixedInfo *fixed_info) {
1443   return display_intf_->GetConfig(fixed_info) == kErrorNone ? 0 : -1;
1444 }
1445 
1446 // TODO(user): HWC needs to know updating for dyn_fps, cpu hint features,
1447 // once the features are moved to SDM, the two functions below can be removed.
GetUpdatingLayersCount(uint32_t app_layer_count)1448 uint32_t HWCDisplay::GetUpdatingLayersCount(uint32_t app_layer_count) {
1449   uint32_t updating_count = 0;
1450 
1451   for (uint i = 0; i < app_layer_count; i++) {
1452     Layer *layer = layer_stack_.layers.at(i);
1453     if (layer->flags.updating) {
1454       updating_count++;
1455     }
1456   }
1457 
1458   return updating_count;
1459 }
1460 
SingleVideoLayerUpdating(uint32_t app_layer_count)1461 bool HWCDisplay::SingleVideoLayerUpdating(uint32_t app_layer_count) {
1462   uint32_t updating_count = 0;
1463 
1464   for (uint i = 0; i < app_layer_count; i++) {
1465     Layer *layer = layer_stack_.layers[i];
1466     // TODO(user): disable DRC feature in S3D playbacl case.S3D video
1467     // need play in dedicate resolution and fps, if DRC switch the
1468     // mode to an non S3D supported mode, it would break S3D playback.
1469     // Need figure out a way to make S3D and DRC co-exist.
1470     if (layer->flags.updating && (layer->input_buffer.flags.video == true) &&
1471        (layer->input_buffer.s3d_format == kS3dFormatNone)) {
1472       updating_count++;
1473     }
1474   }
1475 
1476   return (updating_count == 1);
1477 }
1478 
RoundToStandardFPS(float fps)1479 uint32_t HWCDisplay::RoundToStandardFPS(float fps) {
1480   static const uint32_t standard_fps[4] = {30, 24, 48, 60};
1481   uint32_t frame_rate = (uint32_t)(fps);
1482 
1483   int count = INT(sizeof(standard_fps) / sizeof(standard_fps[0]));
1484   for (int i = 0; i < count; i++) {
1485     if ((standard_fps[i] - frame_rate) < 2) {
1486       // Most likely used for video, the fps can fluctuate
1487       // Ex: b/w 29 and 30 for 30 fps clip
1488       return standard_fps[i];
1489     }
1490   }
1491 
1492   return frame_rate;
1493 }
1494 
SanitizeRefreshRate(uint32_t req_refresh_rate)1495 uint32_t HWCDisplay::SanitizeRefreshRate(uint32_t req_refresh_rate) {
1496   uint32_t refresh_rate = req_refresh_rate;
1497 
1498   if (refresh_rate < min_refresh_rate_) {
1499     // Pick the next multiple of request which is within the range
1500     refresh_rate = (((min_refresh_rate_ / refresh_rate) +
1501                      ((min_refresh_rate_ % refresh_rate) ? 1 : 0)) * refresh_rate);
1502   }
1503 
1504   if (refresh_rate > max_refresh_rate_) {
1505     refresh_rate = max_refresh_rate_;
1506   }
1507 
1508   return refresh_rate;
1509 }
1510 
GetDisplayClass()1511 DisplayClass HWCDisplay::GetDisplayClass() {
1512   return display_class_;
1513 }
1514 
PrepareDynamicRefreshRate(Layer * layer)1515 void HWCDisplay::PrepareDynamicRefreshRate(Layer *layer) {
1516   if (layer->frame_rate > metadata_refresh_rate_) {
1517     metadata_refresh_rate_ = SanitizeRefreshRate(layer->frame_rate);
1518   } else {
1519     layer->frame_rate = current_refresh_rate_;
1520   }
1521 }
1522 
IsSurfaceUpdated(const std::vector<LayerRect> & dirty_regions)1523 bool HWCDisplay::IsSurfaceUpdated(const std::vector<LayerRect> &dirty_regions) {
1524   // based on dirty_regions determine if its updating
1525   // dirty_rect count = 0 - whole layer - updating.
1526   // dirty_rect count = 1 or more valid rects - updating.
1527   // dirty_rect count = 1 with (0,0,0,0) - not updating.
1528   return (dirty_regions.empty() || IsValid(dirty_regions.at(0)));
1529 }
1530 
GetDisplayPort(DisplayPort * port)1531 int HWCDisplay::GetDisplayPort(DisplayPort *port) {
1532   return display_intf_->GetDisplayPort(port) == kErrorNone ? 0 : -1;
1533 }
1534 
1535 
1536 }  // namespace sdm
1537