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

libhwcomposer/hwc_copybit.cpp

diff --git a/libhwcomposer/hwc_copybit.cpp b/libhwcomposer/hwc_copybit.cpp
index ee5b3b7..ca631b2 100644
--- a/libhwcomposer/hwc_copybit.cpp
+++ b/libhwcomposer/hwc_copybit.cpp
@@ -534,20 +534,9 @@
 
     mDirtyLayerIndex =  checkDirtyRect(ctx, list, dpy);
     hwc_rect_t clearRegion = {0,0,0,0};
-    if (CBUtils::getuiClearRegion(list, clearRegion, layerProp)){
-        if (mDirtyLayerIndex != -1){
-            hwc_layer_1_t *layer = &list->hwLayers[mDirtyLayerIndex];
-#ifdef QCOM_BSP
-             hwc_rect_t result = getIntersection(layer->dirtyRect,clearRegion);
-             if(isValidRect(result))
-               clear(renderBuffer,result);
-#else
-             clear(renderBuffer,clearRegion);
-#endif
-        } else {
+    if (CBUtils::getuiClearRegion(list, clearRegion, layerProp,
+                                                       mDirtyLayerIndex))
              clear(renderBuffer, clearRegion);
-        }
-    }
     // numAppLayers-1, as we iterate from 0th layer index with HWC_COPYBIT flag
     for (int i = 0; i <= (ctx->listStats[dpy].numAppLayers-1); i++) {
         if(!(layerProp[i].mFlags & HWC_COPYBIT)) {