commit 67a38c356572a3e994d0d0f79dd2741d0204f217
author Saurabh Shah <saurshah@codeaurora.org> Mon Jun 10 16:23:15 2013 -0700
committer Gerrit - the friendly Code Review server <code-review@localhost> Mon Jul 01 14:55:06 2013 -0700
tree b075957f965b814e1cb32d1f4477b4406cec059d
parent 34e8b811741eca50a0a34f4fed0de3a1e217131d

hwc: Add support for uneven split primary displays

Add support for unevenly split primary displays.
The driver provides info about the split via msm_fb_split sysfs node

For external we assume even split. If driver doesn't specify any split
for primary, we default to even split.

Change-Id: I4d541f41de2d7a5d2b62653fa33cab079a6d5d30

libhwcomposer/hwc_utils.cpp

diff --git a/libhwcomposer/hwc_utils.cpp b/libhwcomposer/hwc_utils.cpp
index 1bb683a..7040251 100644
--- a/libhwcomposer/hwc_utils.cpp
+++ b/libhwcomposer/hwc_utils.cpp
@@ -126,6 +126,7 @@
     ctx->mMDP.version = qdutils::MDPVersion::getInstance().getMDPVersion();
     ctx->mMDP.hasOverlay = qdutils::MDPVersion::getInstance().hasOverlay();
     ctx->mMDP.panel = qdutils::MDPVersion::getInstance().getPanelType();
+    const int rightSplit = qdutils::MDPVersion::getInstance().getRightSplit();
     overlay::Overlay::initOverlay();
     ctx->mOverlay = overlay::Overlay::getInstance();
     ctx->mRotMgr = new RotMgr();
@@ -135,7 +136,7 @@
     //on what external we connect to.
     ctx->mFBUpdate[HWC_DISPLAY_PRIMARY] =
         IFBUpdate::getObject(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres,
-        HWC_DISPLAY_PRIMARY);
+                rightSplit, HWC_DISPLAY_PRIMARY);
 
     // Check if the target supports copybit compostion (dyn/mdp/c2d) to
     // decide if we need to open the copybit module.
@@ -152,7 +153,7 @@
 
     ctx->mMDPComp[HWC_DISPLAY_PRIMARY] =
          MDPComp::getObject(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres,
-         HWC_DISPLAY_PRIMARY);
+                rightSplit, HWC_DISPLAY_PRIMARY);
 
     for (uint32_t i = 0; i < MAX_DISPLAYS; i++) {
         ctx->mHwcDebug[i] = new HwcDebug(i);
@@ -1035,16 +1036,17 @@
     hwc_rect_t tmp_cropL, tmp_dstL;
     hwc_rect_t tmp_cropR, tmp_dstR;
 
+    const int lSplit = qdutils::MDPVersion::getInstance().getLeftSplit();
     if(lDest != OV_INVALID) {
         tmp_cropL = crop;
         tmp_dstL = dst;
-        hwc_rect_t scissor = {0, 0, hw_w/2, hw_h };
+        hwc_rect_t scissor = {0, 0, lSplit, hw_h };
         qhwc::calculate_crop_rects(tmp_cropL, tmp_dstL, scissor, 0);
     }
     if(rDest != OV_INVALID) {
         tmp_cropR = crop;
         tmp_dstR = dst;
-        hwc_rect_t scissor = {hw_w/2, 0, hw_w, hw_h };
+        hwc_rect_t scissor = {lSplit, 0, hw_w, hw_h };
         qhwc::calculate_crop_rects(tmp_cropR, tmp_dstR, scissor, 0);
     }
 
@@ -1088,8 +1090,8 @@
     if(rDest != OV_INVALID) {
         PipeArgs pargR(mdpFlagsR, whf, z, isFg,
                 static_cast<eRotFlags>(rotFlags));
-        tmp_dstR.right = tmp_dstR.right - hw_w/2;
-        tmp_dstR.left = tmp_dstR.left - hw_w/2;
+        tmp_dstR.right = tmp_dstR.right - lSplit;
+        tmp_dstR.left = tmp_dstR.left - lSplit;
         if(configMdp(ctx->mOverlay, pargR, orient,
                 tmp_cropR, tmp_dstR, metadata, rDest) < 0) {
             ALOGE("%s: commit failed for right mixer config", __FUNCTION__);