commit f4e2e0c579b68d0f3ef2476709d08dd526dbbfa1
author Dileep Kumar Reddi <dkumarre@codeaurora.org> Tue Dec 16 11:24:34 2014 +0530
committer radhakrishna <radhakrishna@codeaurora.org> Mon Feb 02 15:44:20 2015 +0530
tree eaae597c58ba261495a3a48760b18054e8150f26
parent 75b427cc0a1cacacf27cf12b9a64bf39cf1946cd

hwc: Use dirtyRect details in solid fill

No need to clear a non updating region in case of swapRect.
Use dirtyRect value of updating layer to achieve this.
Before using dirtyRect value map it to respective displayFrame,
as dirtyRect is with respect to sourceCrop.

Change-Id: Ie5782a039f7075396e30405070f12ce2443c0a82

libqdutils/cb_utils.cpp

diff --git a/libqdutils/cb_utils.cpp b/libqdutils/cb_utils.cpp
index ef66ac6..c17842a 100644
--- a/libqdutils/cb_utils.cpp
+++ b/libqdutils/cb_utils.cpp
@@ -41,13 +41,36 @@
 namespace qdutils {
 
 int CBUtils::getuiClearRegion(hwc_display_contents_1_t* list,
-          hwc_rect_t &clearWormholeRect, LayerProp *layerProp) {
+          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++) {

libqdutils/cb_utils.h

diff --git a/libqdutils/cb_utils.h b/libqdutils/cb_utils.h
index 85dd78f..59f452b 100644
--- a/libqdutils/cb_utils.h
+++ b/libqdutils/cb_utils.h
@@ -38,7 +38,7 @@
 public:
 static int getuiClearRegion(hwc_display_contents_1_t* list,
                               hwc_rect_t &clearWormholeRec,
-                                      LayerProp *layerProp);
+                              LayerProp *layerProp, int dirtyIndex = -1);
 };
 }//namespace qdutils
 #endif /* end of include guard: CB_UTIL_H*/