1 /* Copyright (c) 2013, The Linux Foundation. All rights reserved.
2 * Redistribution and use in source and binary forms, with or without
3 * * modification, are permitted provided that the following conditions are
4 * met:
5 * * Redistributions of source code must retain the above copyrigh
6 * notice, this list of conditions and the following disclaimer
7 * * Redistributions in binary form must reproduce the above
8 * copyright notice, this list of conditions and the following
9 * disclaimer in the documentation and/or other materials provided
10 * with the distribution.
11 * * Neither the name of The Linux Foundation nor the names of its
12 * contributors may be used to endorse or promote products derived
13 * from this software without specific prior written permission.
14 *
15 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
16 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
19 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
22 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
24 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
25 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #include "cb_utils.h"
29 #include "cb_swap_rect.h"
30 /* get union of two rects into 3rd rect */
getUnion(hwc_rect_t & rect1,hwc_rect_t & rect2,hwc_rect_t & irect)31 void getUnion(hwc_rect_t& rect1,hwc_rect_t& rect2, hwc_rect_t& irect) {
32
33 irect.left = min(rect1.left, rect2.left);
34 irect.top = min(rect1.top, rect2.top);
35 irect.right = max(rect1.right, rect2.right);
36 irect.bottom = max(rect1.bottom, rect2.bottom);
37 }
38
clear(copybit_device_t * copybit,private_handle_t * hnd,hwc_rect_t & rect)39 int clear (copybit_device_t *copybit, private_handle_t* hnd, hwc_rect_t& rect)
40 {
41 int ret = 0;
42 copybit_rect_t clear_rect = {rect.left, rect.top,rect.right,rect.bottom};
43
44 copybit_image_t buf;
45 buf.w = ALIGN(getWidth(hnd),32);
46 buf.h = getHeight(hnd);
47 buf.format = hnd->format;
48 buf.base = (void *)hnd->base;
49 buf.handle = (native_handle_t *)hnd;
50
51 ret = copybit->clear(copybit, &buf, &clear_rect);
52 return ret;
53 }
54 using namespace android;
55 using namespace qhwc;
56 namespace qdutils {
57
uiClearRegion(hwc_display_contents_1_t * list,int version,LayerProp * layerProp,hwc_rect_t dirtyRect,copybit_device_t * copybit,private_handle_t * renderBuffer)58 int CBUtils::uiClearRegion(hwc_display_contents_1_t* list,
59 int version, LayerProp *layerProp, hwc_rect_t dirtyRect,
60 copybit_device_t *copybit, private_handle_t *renderBuffer) {
61
62 size_t last = list->numHwLayers - 1;
63 hwc_rect_t fbFrame = list->hwLayers[last].displayFrame;
64 Rect fbFrameRect(fbFrame.left,fbFrame.top,fbFrame.right,fbFrame.bottom);
65 Region wormholeRegion(fbFrameRect);
66
67 if ((dirtyRect.right - dirtyRect.left > 0) &&
68 (dirtyRect.bottom - dirtyRect.top > 0)) {
69 #ifdef QTI_BSP
70 Rect tmpRect(dirtyRect.left,dirtyRect.top,dirtyRect.right,
71 dirtyRect.bottom);
72 Region tmpRegion(tmpRect);
73 wormholeRegion = wormholeRegion.intersect(tmpRegion);
74 #endif
75 }
76 if(cb_swap_rect::getInstance().checkSwapRectFeature_on() == true){
77 wormholeRegion.set(0,0);
78 for(size_t i = 0 ; i < last; i++) {
79 if(((list->hwLayers[i].blending == HWC_BLENDING_NONE) &&
80 (list->hwLayers[i].planeAlpha == 0xFF)) ||
81 !(layerProp[i].mFlags & HWC_COPYBIT) ||
82 (list->hwLayers[i].flags & HWC_SKIP_HWC_COMPOSITION))
83 continue ;
84 hwc_rect_t displayFrame = list->hwLayers[i].displayFrame;
85 Rect tmpRect(displayFrame.left,displayFrame.top,
86 displayFrame.right,displayFrame.bottom);
87 wormholeRegion.set(tmpRect);
88 }
89 }else{
90 for (size_t i = 0 ; i < last; i++) {
91 // need to take care only in per pixel blending.
92 // Restrict calculation only for copybit layers.
93 if((list->hwLayers[i].blending != HWC_BLENDING_NONE) ||
94 (list->hwLayers[i].planeAlpha != 0xFF) ||
95 !(layerProp[i].mFlags & HWC_COPYBIT))
96 continue ;
97 hwc_rect_t displayFrame = list->hwLayers[i].displayFrame;
98 Rect tmpRect(displayFrame.left,displayFrame.top,displayFrame.right,
99 displayFrame.bottom);
100 Region tmpRegion(tmpRect);
101 wormholeRegion.subtractSelf(wormholeRegion.intersect(tmpRegion));
102 }
103 }
104 if(wormholeRegion.isEmpty()){
105 return 1;
106 }
107 //TO DO :- 1. remove union and call clear for each rect.
108 Region::const_iterator it = wormholeRegion.begin();
109 Region::const_iterator const end = wormholeRegion.end();
110 while (it != end) {
111 const Rect& r = *it++;
112 hwc_rect_t tmpWormRect = {r.left,r.top,r.right,r.bottom};
113 if (version == qdutils::MDP_V3_0_4 ||
114 version == qdutils::MDP_V3_0_5) {
115 int clear_w = tmpWormRect.right - tmpWormRect.left;
116 int clear_h = tmpWormRect.bottom - tmpWormRect.top;
117 //mdp can't handle solid fill for one line
118 //making solid fill as full in this case
119 //disable swap rect if presents
120 if ((clear_w == 1) || (clear_h ==1)) {
121 clear(copybit, renderBuffer, fbFrame);
122 return 0;
123 } else {
124 clear(copybit, renderBuffer, tmpWormRect);
125 }
126 } else {
127 clear(copybit, renderBuffer, tmpWormRect);
128 }
129 }
130 return 1;
131 }
132
133 }//namespace qdutils
134