hwc: Clear overlay and layer-rot map from caller
Clear overlay and layer-rot map from the top level caller of
composition, rather than from the place of actual intermediate
failure. This makes sure, even in cases of GPU comp failure,
overlay and layer-rot maps are cleared and eventually pipes unset.
Change-Id: Ibf1152a0e8ca66d87bcc6b87009c4b09e451099d
diff --git a/libhwcomposer/hwc_virtual.cpp b/libhwcomposer/hwc_virtual.cpp
index 10ed9d1..97b19ea 100644
--- a/libhwcomposer/hwc_virtual.cpp
+++ b/libhwcomposer/hwc_virtual.cpp
@@ -126,7 +126,11 @@
if(ctx->mMDPComp[dpy]->prepare(ctx, list) < 0) {
const int fbZ = 0;
- ctx->mFBUpdate[dpy]->prepareAndValidate(ctx, list, fbZ);
+ if(not ctx->mFBUpdate[dpy]->prepareAndValidate(ctx, list, fbZ))
+ {
+ ctx->mOverlay->clear(dpy);
+ ctx->mLayerRotMap[dpy]->clear();
+ }
}
} else {
/* Virtual Display is in Pause state.
@@ -260,7 +264,11 @@
setListStats(ctx, list, dpy);
if(ctx->mMDPComp[dpy]->prepare(ctx, list) < 0) {
const int fbZ = 0;
- ctx->mFBUpdate[dpy]->prepareAndValidate(ctx, list, fbZ);
+ if(not ctx->mFBUpdate[dpy]->prepareAndValidate(ctx, list, fbZ))
+ {
+ ctx->mOverlay->clear(dpy);
+ ctx->mLayerRotMap[dpy]->clear();
+ }
}
} else {
/* Virtual Display is in Pause state.