LineageOS/android_vendor_qcom_opensource_display-commonsys-intf
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libhwcomposer: Add support for 4 layer MDP Comp

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This change extends MDP composition to support
upto 4 layers by making border fill as base pipe and
using all MDP h/w pipes in overlay mode.

Conflicts:

	libhwcomposer/hwc.cpp
	libhwcomposer/hwc_utils.cpp
	libhwcomposer/hwc_utils.h

Bug: 7626586
Change-Id: I01a0e53ddfbcf3ed46734f6f3bb0ef7d912ceac6
Signed-off-by: Jeykumar Sankaran <jsanka@codeaurora.org>
Signed-off-by: Iliyan Malchev <malchev@google.com>
This commit is contained in:
Naseer Ahmed
2012-11-28 18:44:38 -05:00
parent 758bfc5b50
commit 54821fe3a2
9 changed files with 391 additions and 651 deletions
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12
libexternal/external.cpp
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@@ -445,13 +445,17 @@ bool ExternalDisplay::writeHPDOption(int userOption) const
*/
bool ExternalDisplay::post()
{
if(mFd == -1) {
if(mFd == -1)
return false;
} else if(ioctl(mFd, MSMFB_OVERLAY_COMMIT, &mExternalDisplay) == -1) {
ALOGE("%s: MSMFB_OVERLAY_COMMIT failed, str: %s", __FUNCTION__,
strerror(errno));
struct mdp_display_commit ext_commit;
ext_commit.flags |= MDP_DISPLAY_COMMIT_OVERLAY;
if (ioctl(mFd, MSMFB_DISPLAY_COMMIT, &ext_commit) == -1) {
ALOGE("%s: MSMFB_DISPLAY_COMMIT for external failed, str: %s",
__FUNCTION__, strerror(errno));
return false;
}
return true;
}