| /* Copyright (c) 2013, The Linux Foundation. All rights reserved. |
| * Redistribution and use in source and binary forms, with or without |
| * * modification, are permitted provided that the following conditions are |
| * met: |
| * * Redistributions of source code must retain the above copyrigh |
| * notice, this list of conditions and the following disclaimer |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * * Neither the name of The Linux Foundation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "cb_utils.h" |
| #include "cb_swap_rect.h" |
| /* get union of two rects into 3rd rect */ |
| void getUnion(hwc_rect_t& rect1,hwc_rect_t& rect2, hwc_rect_t& irect) { |
| |
| irect.left = min(rect1.left, rect2.left); |
| irect.top = min(rect1.top, rect2.top); |
| irect.right = max(rect1.right, rect2.right); |
| irect.bottom = max(rect1.bottom, rect2.bottom); |
| } |
| |
| using namespace android; |
| using namespace qhwc; |
| namespace qdutils { |
| |
| int CBUtils::getuiClearRegion(hwc_display_contents_1_t* list, |
| hwc_rect_t &clearWormholeRect, LayerProp *layerProp) { |
| |
| uint32_t last = list->numHwLayers - 1; |
| hwc_rect_t fbFrame = list->hwLayers[last].displayFrame; |
| Rect fbFrameRect(fbFrame.left,fbFrame.top,fbFrame.right,fbFrame.bottom); |
| Region wormholeRegion(fbFrameRect); |
| |
| if(cb_swap_rect::getInstance().checkSwapRectFeature_on() == true){ |
| wormholeRegion.set(0,0); |
| for(uint32_t i = 0 ; i < last; i++) { |
| if((list->hwLayers[i].blending == HWC_BLENDING_NONE) || |
| !(layerProp[i].mFlags & HWC_COPYBIT) || |
| (list->hwLayers[i].flags & HWC_SKIP_HWC_COMPOSITION)) |
| continue ; |
| hwc_rect_t displayFrame = list->hwLayers[i].displayFrame; |
| Rect tmpRect(displayFrame.left,displayFrame.top, |
| displayFrame.right,displayFrame.bottom); |
| wormholeRegion.set(tmpRect); |
| } |
| }else{ |
| for (uint32_t i = 0 ; i < last; i++) { |
| // need to take care only in per pixel blending. |
| // Restrict calculation only for copybit layers. |
| if((list->hwLayers[i].blending != HWC_BLENDING_NONE) || |
| !(layerProp[i].mFlags & HWC_COPYBIT)) |
| continue ; |
| hwc_rect_t displayFrame = list->hwLayers[i].displayFrame; |
| Rect tmpRect(displayFrame.left,displayFrame.top,displayFrame.right, |
| displayFrame.bottom); |
| Region tmpRegion(tmpRect); |
| wormholeRegion.subtractSelf(wormholeRegion.intersect(tmpRegion)); |
| } |
| } |
| if(wormholeRegion.isEmpty()){ |
| return 0; |
| } |
| //TO DO :- 1. remove union and call clear for each rect. |
| Region::const_iterator it = wormholeRegion.begin(); |
| Region::const_iterator const end = wormholeRegion.end(); |
| while (it != end) { |
| const Rect& r = *it++; |
| hwc_rect_t tmpWormRect = {r.left,r.top,r.right,r.bottom}; |
| int dst_w = clearWormholeRect.right - clearWormholeRect.left; |
| int dst_h = clearWormholeRect.bottom - clearWormholeRect.top; |
| |
| if (!(dst_w || dst_h)) |
| clearWormholeRect = tmpWormRect; |
| else |
| getUnion(clearWormholeRect, tmpWormRect, clearWormholeRect); |
| |
| } |
| return 1; |
| } |
| |
| }//namespace qdutils |