commit 86623d7d5106cd568a64be4e51be7ee77f078e08
author Saurabh Shah <saurshah@codeaurora.org> Tue Sep 25 19:39:17 2012 -0700
committer Iliyan Malchev <malchev@google.com> Tue Sep 25 22:55:14 2012 -0700
tree 5a7e70301983cfd80cf81faae873e7712a38a646
parent 3e858ebde3f2b4e762af8f7f2808d45ba59b890d

(TEMP) hwc: external: Enable default mirroring on hwc1.1

Related to bug: 7124159

UI Mirror works with tearing because sync operates at primary vsync.  Need
kernel patch to wait on external post.

Change-Id: I77116ef40ae25a2207feb5ca3cd9065ef0da6e4a
Signed-off-by: Iliyan Malchev <malchev@google.com>

libhwcomposer/hwc.cpp

diff --git a/libhwcomposer/hwc.cpp b/libhwcomposer/hwc.cpp
index 3be2def..202e40d 100644
--- a/libhwcomposer/hwc.cpp
+++ b/libhwcomposer/hwc.cpp
@@ -27,6 +27,7 @@
 #include <mdp_version.h>
 #include "hwc_utils.h"
 #include "hwc_video.h"
+#include "hwc_uimirror.h"
 #include "external.h"
 #include "hwc_mdpcomp.h"
 
@@ -83,9 +84,13 @@
         hwc_display_contents_1_t *list) {
     hwc_context_t* ctx = (hwc_context_t*)(dev);
     if (LIKELY(list && list->numHwLayers)) {
+        uint32_t last = list->numHwLayers - 1;
+        hwc_layer_1_t *fblayer = &list->hwLayers[last];
         setListStats(ctx, list, HWC_DISPLAY_PRIMARY);
         if(VideoOverlay::prepare(ctx, list, HWC_DISPLAY_PRIMARY)) {
             ctx->overlayInUse = true;
+        } else if(UIMirrorOverlay::prepare(ctx, fblayer)) {
+            ctx->overlayInUse = true;
         } else if(MDPComp::configure(ctx, list)) {
             ctx->overlayInUse = true;
         } else {
@@ -100,7 +105,7 @@
 
     hwc_context_t* ctx = (hwc_context_t*)(dev);
     if (LIKELY(list && list->numHwLayers)) {
-        setListStats(ctx, list, HWC_DISPLAY_EXTERNAL);
+        //setListStats(ctx, list, HWC_DISPLAY_EXTERNAL);
         //Nothing to do for now
     }
     return 0;
@@ -210,7 +215,7 @@
         ALOGI("fps: %d", value[0]);
         break;
     case HWC_DISPLAY_TYPES_SUPPORTED:
-        //Enable later
+        //TODO Enable later
         //if(ctx->mMDP.hasOverlay)
             //supported |= HWC_DISPLAY_EXTERNAL_BIT;
         value[0] = supported;
@@ -226,10 +231,17 @@
     if (LIKELY(list && list->numHwLayers)) {
         VideoOverlay::draw(ctx, list, HWC_DISPLAY_PRIMARY);
         MDPComp::draw(ctx, list);
+        uint32_t last = list->numHwLayers - 1;
+        hwc_layer_1_t *fblayer = &list->hwLayers[last];
+        if(ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].isActive) {
+            UIMirrorOverlay::draw(ctx, fblayer);
+        }
         hwc_sync(ctx, list, HWC_DISPLAY_PRIMARY);
+        if(ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].isActive) {
+            ctx->mExtDisplay->post();
+        }
         //TODO We dont check for SKIP flag on this layer because we need PAN
         //always. Last layer is always FB
-        uint32_t last = list->numHwLayers - 1;
         if(list->hwLayers[last].compositionType == HWC_FRAMEBUFFER_TARGET) {
             ctx->mFbDev->post(ctx->mFbDev, list->hwLayers[last].handle);
         }
@@ -240,7 +252,7 @@
 static int hwc_set_external(hwc_context_t *ctx,
         hwc_display_contents_1_t* list) {
     if (LIKELY(list && list->numHwLayers)) {
-        hwc_sync(ctx, list, HWC_DISPLAY_EXTERNAL);
+        //hwc_sync(ctx, list, HWC_DISPLAY_EXTERNAL);
         uint32_t last = list->numHwLayers - 1;
         if(list->hwLayers[last].compositionType == HWC_FRAMEBUFFER_TARGET &&
             ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].isActive) {