commit b5ed029da89fd9d9ff2fea77d53935db0410d8e3
author Sravan Kumar D.V.N <sravank1@codeaurora.org> Fri Mar 15 08:51:16 2013 +0530
committer Gerrit - the friendly Code Review server <code-review@localhost> Tue Mar 26 16:32:42 2013 -0700
tree f82f9fdfe75a62158b63b388e6975bb7d3899e63
parent 22dd8e7ef23c9a4c6fcfd7f7c7e9c778f4fa2d0f

hwc: Use correct z-order in video overlay

Set z-order of video layer to 0 and framebuffer to 1 in case
of video overlay composition so that the blending takes effect.
Also set is_fg OFF for framebuffer.

Change-Id: I05f930074d265d690f29a1003b7c28077df89bbf
CRs-fixed: 458180

libhwcomposer/hwc_utils.cpp

diff --git a/libhwcomposer/hwc_utils.cpp b/libhwcomposer/hwc_utils.cpp
index 7444777..8764171 100644
--- a/libhwcomposer/hwc_utils.cpp
+++ b/libhwcomposer/hwc_utils.cpp
@@ -298,6 +298,7 @@
     ctx->listStats[dpy].fbLayerIndex = list->numHwLayers - 1;
     ctx->listStats[dpy].skipCount = 0;
     ctx->listStats[dpy].needsAlphaScale = false;
+    ctx->listStats[dpy].preMultipliedAlpha = false;
     ctx->listStats[dpy].yuvCount = 0;
 
     for (size_t i = 0; i < list->numHwLayers; i++) {
@@ -320,6 +321,8 @@
             if(layer->transform & HWC_TRANSFORM_ROT_90)
                 ctx->mNeedsRotator = true;
         }
+        if(layer->blending == HWC_BLENDING_PREMULT)
+            ctx->listStats[dpy].preMultipliedAlpha = true;
 
         if(!ctx->listStats[dpy].needsAlphaScale)
             ctx->listStats[dpy].needsAlphaScale = isAlphaScaled(layer);