blob: c17842a5dbd46f1c23d56821cff5df4ed8743837 [file] [log] [blame]
/* 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, int dirtyIndex) {
size_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 (dirtyIndex != -1) {
#ifdef QCOM_BSP
/*
* 1. Map dirty rect of updating layer to its display frame.
* 2. Use this display frame as wormholeRegion instead of full Frame
* */
hwc_rect_t dirtyRect = list->hwLayers[dirtyIndex].dirtyRect;
hwc_rect_t displayFrame = list->hwLayers[dirtyIndex].displayFrame;
hwc_frect_t sCropF = list->hwLayers[dirtyIndex].sourceCropf;
hwc_rect_t srcRect = {int(ceilf(sCropF.left)), int(ceilf(sCropF.top)),
int(ceilf(sCropF.right)), int(ceilf(sCropF.bottom))};
displayFrame.left += dirtyRect.left - srcRect.left;
displayFrame.top += dirtyRect.top - srcRect.top;
displayFrame.right -= srcRect.right - dirtyRect.right;
displayFrame.bottom -= srcRect.bottom - dirtyRect.bottom;
Rect tmpRect(displayFrame.left,displayFrame.top,displayFrame.right,
displayFrame.bottom);
Region tmpRegion(tmpRect);
wormholeRegion = wormholeRegion.intersect(tmpRegion);
#endif
}
if(cb_swap_rect::getInstance().checkSwapRectFeature_on() == true){
wormholeRegion.set(0,0);
for(size_t i = 0 ; i < last; i++) {
if(((list->hwLayers[i].blending == HWC_BLENDING_NONE) &&
(list->hwLayers[i].planeAlpha == 0xFF)) ||
!(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 (size_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) ||
(list->hwLayers[i].planeAlpha != 0xFF) ||
!(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