display: Support for S3D video
1. Add support to set HDMI to 3D mode
2. Add binder API to force 3D mode
3. Switch to 3D mode based on metadata
4. Configure pipes appropriately
5. Only side-by-side and top-bottom formats are currently supported
Change-Id: Iae579ecfa45aae088ff543d4143e5025e8c682fa
diff --git a/libhwcomposer/hwc_fbupdate.cpp b/libhwcomposer/hwc_fbupdate.cpp
index 8660740..ef83008 100644
--- a/libhwcomposer/hwc_fbupdate.cpp
+++ b/libhwcomposer/hwc_fbupdate.cpp
@@ -25,6 +25,7 @@
#include <overlayRotator.h>
#include "hwc_fbupdate.h"
#include "mdp_version.h"
+#include <video/msm_hdmi_modes.h>
using namespace qdutils;
using namespace overlay;
@@ -499,10 +500,25 @@
hwc_rect_t dstL = displayFrame;
hwc_rect_t dstR = displayFrame;
+ if(ctx->dpyAttr[mDpy].s3dMode == HDMI_S3D_SIDE_BY_SIDE) {
+ dstL.left = displayFrame.left/2;
+ dstL.right = displayFrame.right/2;
+
+ dstR.left = mAlignedFBWidth/2 + displayFrame.left/2;
+ dstR.right = mAlignedFBWidth/2 + displayFrame.right/2;
+ } else if(ctx->dpyAttr[mDpy].s3dMode == HDMI_S3D_TOP_AND_BOTTOM) {
+ dstL.top = displayFrame.top/2;
+ dstL.bottom = displayFrame.bottom/2;
+
+ dstR.top = mAlignedFBHeight/2 + displayFrame.top/2;
+ dstR.bottom = mAlignedFBHeight/2 + displayFrame.bottom/2;
+ }
+
//Request left pipe (or 1 by default)
Overlay::PipeSpecs pipeSpecs;
pipeSpecs.formatClass = Overlay::FORMAT_RGB;
- pipeSpecs.needsScaling = qhwc::needsScaling(layer);
+ pipeSpecs.needsScaling = (qhwc::needsScaling(layer) ||
+ needs3DComposition(ctx,mDpy));
pipeSpecs.dpy = mDpy;
pipeSpecs.mixer = Overlay::MIXER_DEFAULT;
pipeSpecs.fb = true;
@@ -519,6 +535,7 @@
a) FB's width is > Mixer width or
b) On primary, driver has indicated with caps to split always. This is
based on an empirically derived value of panel height.
+ c) The composition is 3D
*/
const bool primarySplitAlways = (mDpy == HWC_DISPLAY_PRIMARY) and
@@ -533,7 +550,8 @@
if((cropWidth > qdutils::MDPVersion::getInstance().getMaxPipeWidth()) or
(primarySplitAlways and
- (cropWidth > lSplit or layerClock > mixerClock))) {
+ (cropWidth > lSplit or layerClock > mixerClock)) or
+ needs3DComposition(ctx, mDpy)) {
destR = ov.getPipe(pipeSpecs);
if(destR == ovutils::OV_INVALID) {
ALOGE("%s: No pipes available to configure fb for dpy %d's right"
@@ -546,10 +564,12 @@
}
//Split crop equally when using 2 pipes
- cropL.right = (sourceCrop.right + sourceCrop.left) / 2;
- cropR.left = cropL.right;
- dstL.right = (displayFrame.right + displayFrame.left) / 2;
- dstR.left = dstL.right;
+ if(!needs3DComposition(ctx, mDpy)) {
+ cropL.right = (sourceCrop.right + sourceCrop.left) / 2;
+ cropR.left = cropL.right;
+ dstL.right = (displayFrame.right + displayFrame.left) / 2;
+ dstR.left = dstL.right;
+ }
}
mDestLeft = destL;
@@ -563,6 +583,12 @@
}
}
+ // XXX: Figure out why we need this with source split
+ // Currently, the driver silently fails to configure the right pipe
+ // if we don't increment the zorder
+ if (needs3DComposition(ctx, mDpy))
+ parg.zorder = eZorder(parg.zorder + 1);
+
//configure right pipe
if(destR != OV_INVALID) {
if(configMdp(ctx->mOverlay, parg, orient,