LineageOS/android_vendor_qcom_opensource_display-commonsys-intf
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display : change wormhole calculation for swap rect

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In case of swap rect use case ,wormhole rect will
be same as  dirty rect (if has any blending)

Change-Id: Id2ee34d860207c440a033010460723fe964f7074
This commit is contained in:
Ramakant Singh
2013-11-28 18:45:34 +05:30
parent 35f1f7a291
commit 762ae0869a
5 changed files with 138 additions and 18 deletions
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51
libqdutils/cb_utils.cpp
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@@ -26,9 +26,10 @@
*/
#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);
@@ -44,11 +45,23 @@ int CBUtils::getuiClearRegion(hwc_display_contents_1_t* list,
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);
for (uint32_t i = 0 ; i < last; i++) {
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) ||
@@ -59,21 +72,27 @@ int CBUtils::getuiClearRegion(hwc_display_contents_1_t* list,
displayFrame.bottom);
Region tmpRegion(tmpRect);
wormholeRegion.subtractSelf(wormholeRegion.intersect(tmpRegion));
}
if (wormholeRegion.isEmpty()) {
}
}
if(wormholeRegion.isEmpty()){
return 0;
}
//TO DO :- 1. remove union and call clear for each rect.
// :- 2. support swap ract feature.
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};
getUnion(clearWormholeRect, tmpWormRect, clearWormholeRect);
}
//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;
}
return 1;
if (!(dst_w || dst_h))
clearWormholeRect = tmpWormRect;
else
getUnion(clearWormholeRect, tmpWormRect, clearWormholeRect);
}
return 1;
}
}//namespace qdutils