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overlay: Add support for flipping the source image

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Add support for source horizonal and vertical flipping in the overlay.
Based on the final orientation and the flip information, set the correct
rotation value for the MDP.

Change-Id: Ie20022a8bf8f9725f01b4213b814cbe0af44625e
This commit is contained in:
Naomi Luis 2010-11-13 12:31:17 +05:30 committed by Govind Surti
parent e03a345a11
commit 71a74457f1
1 changed files with 113 additions and 67 deletions
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180
liboverlay/overlayLib.cpp
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@ -85,6 +85,42 @@ static bool isRGBType(int format) {
return false;
}
static int get_mdp_orientation(int rotation, int flip) {
switch(flip) {
case HAL_TRANSFORM_FLIP_H:
switch(rotation) {
case 0: return MDP_FLIP_UD;
case HAL_TRANSFORM_ROT_90: return (MDP_ROT_90 | MDP_FLIP_LR);
case HAL_TRANSFORM_ROT_180: return MDP_FLIP_LR;
case HAL_TRANSFORM_ROT_270: return (MDP_ROT_90 | MDP_FLIP_UD);
default: return -1;
break;
}
break;
case HAL_TRANSFORM_FLIP_V:
switch(rotation) {
case 0: return MDP_FLIP_LR;
case HAL_TRANSFORM_ROT_90: return (MDP_ROT_90 | MDP_FLIP_UD);
case HAL_TRANSFORM_ROT_180: return MDP_FLIP_UD;
case HAL_TRANSFORM_ROT_270: return (MDP_ROT_90 | MDP_FLIP_LR);
default: return -1;
break;
}
break;
default:
switch(rotation) {
case 0: return MDP_ROT_NOP;
case HAL_TRANSFORM_ROT_90: return MDP_ROT_90;
case HAL_TRANSFORM_ROT_180: return MDP_ROT_180;
case HAL_TRANSFORM_ROT_270: return MDP_ROT_270;
default: return -1;
break;
}
break;
}
return -1;
}
#define LOG_TAG "OverlayLIB"
static void reportError(const char* message) {
LOGE( "%s", message);
@ -578,111 +614,121 @@ bool OverlayControlChannel::setParameter(int param, int value) {
case OVERLAY_DITHER:
break;
case OVERLAY_TRANSFORM:
{
int val = mOVInfo.user_data[0];
if (value && mNoRot)
return true;
{
int val = mOVInfo.user_data[0];
if (value && mNoRot)
return true;
switch(value) {
case 0:
{
if (val == MDP_ROT_90) {
int rot = value;
int flip = 0;
if(value & HAL_TRANSFORM_FLIP_SRC_H) {
flip = HAL_TRANSFORM_FLIP_H;
} else if(value & HAL_TRANSFORM_FLIP_SRC_V) {
flip = HAL_TRANSFORM_FLIP_V;
}
rot = value & HAL_TRANSFORM_ROT_MASK;
switch(rot) {
case 0:
{
if (val == MDP_ROT_90) {
int tmp = mOVInfo.src_rect.y;
mOVInfo.src_rect.y = mOVInfo.src.width -
(mOVInfo.src_rect.x + mOVInfo.src_rect.w);
(mOVInfo.src_rect.x + mOVInfo.src_rect.w);
mOVInfo.src_rect.x = tmp;
swapOVRotWidthHeight();
}
else if (val == MDP_ROT_270) {
}
else if (val == MDP_ROT_270) {
int tmp = mOVInfo.src_rect.x;
mOVInfo.src_rect.x = mOVInfo.src.height - (
mOVInfo.src_rect.y + mOVInfo.src_rect.h);
mOVInfo.src_rect.y + mOVInfo.src_rect.h);
mOVInfo.src_rect.y = tmp;
swapOVRotWidthHeight();
}
mOVInfo.user_data[0] = MDP_ROT_NOP;
break;
}
case OVERLAY_TRANSFORM_ROT_90:
{
if (val == MDP_ROT_270) {
}
break;
}
case OVERLAY_TRANSFORM_ROT_90:
{
if (val == MDP_ROT_270) {
mOVInfo.src_rect.x = mOVInfo.src.width - (
mOVInfo.src_rect.x + mOVInfo.src_rect.w);
mOVInfo.src_rect.x + mOVInfo.src_rect.w);
mOVInfo.src_rect.y = mOVInfo.src.height - (
mOVInfo.src_rect.y + mOVInfo.src_rect.h);
}
else if (val == MDP_ROT_NOP || val == MDP_ROT_180) {
mOVInfo.src_rect.y + mOVInfo.src_rect.h);
}
else if (val == MDP_ROT_NOP || val == MDP_ROT_180) {
int tmp = mOVInfo.src_rect.x;
mOVInfo.src_rect.x = mOVInfo.src.height -
(mOVInfo.src_rect.y + mOVInfo.src_rect.h);
mOVInfo.src_rect.y = tmp;
swapOVRotWidthHeight();
}
mOVInfo.user_data[0] = MDP_ROT_90;
break;
}
case OVERLAY_TRANSFORM_ROT_180:
{
if (val == MDP_ROT_270) {
}
break;
}
case OVERLAY_TRANSFORM_ROT_180:
{
if (val == MDP_ROT_270) {
int tmp = mOVInfo.src_rect.y;
mOVInfo.src_rect.y = mOVInfo.src.width -
(mOVInfo.src_rect.x + mOVInfo.src_rect.w);
mOVInfo.src_rect.x = tmp;
swapOVRotWidthHeight();
}
else if (val == MDP_ROT_90) {
}
else if (val == MDP_ROT_90) {
int tmp = mOVInfo.src_rect.x;
mOVInfo.src_rect.x = mOVInfo.src.height - (
mOVInfo.src_rect.y + mOVInfo.src_rect.h);
mOVInfo.src_rect.y + mOVInfo.src_rect.h);
mOVInfo.src_rect.y = tmp;
swapOVRotWidthHeight();
}
mOVInfo.user_data[0] = MDP_ROT_180;
break;
}
case OVERLAY_TRANSFORM_ROT_270:
{
if (val == MDP_ROT_90) {
}
break;
}
case OVERLAY_TRANSFORM_ROT_270:
{
if (val == MDP_ROT_90) {
mOVInfo.src_rect.y = mOVInfo.src.height -
(mOVInfo.src_rect.y + mOVInfo.src_rect.h);
mOVInfo.src_rect.x = mOVInfo.src.width -
(mOVInfo.src_rect.x + mOVInfo.src_rect.w);
}
else if (val == MDP_ROT_NOP || val == MDP_ROT_180) {
}
else if (val == MDP_ROT_NOP || val == MDP_ROT_180) {
int tmp = mOVInfo.src_rect.y;
mOVInfo.src_rect.y = mOVInfo.src.width - (
mOVInfo.src_rect.x + mOVInfo.src_rect.w);
mOVInfo.src_rect.x + mOVInfo.src_rect.w);
mOVInfo.src_rect.x = tmp;
swapOVRotWidthHeight();
}
mOVInfo.user_data[0] = MDP_ROT_270;
break;
}
default: return false;
}
mRotInfo.rotations = mOVInfo.user_data[0];
if (mOVInfo.user_data[0])
mRotInfo.enable = 1;
else {
if(mRotInfo.src.format == MDP_Y_CRCB_H2V2_TILE)
mOVInfo.src.format = MDP_Y_CRCB_H2V2_TILE;
mRotInfo.enable = 0;
}
break;
}
if (ioctl(mRotFD, MSM_ROTATOR_IOCTL_START, &mRotInfo)) {
reportError("setParameter, rotator start failed");
return false;
}
default: return false;
}
int mdp_format = get_mdp_orientation(rot, flip);
if(mdp_format == -1)
return false;
if (ioctl(mFD, MSMFB_OVERLAY_SET, &mOVInfo)) {
reportError("setParameter, overlay set failed");
return false;
}
mOVInfo.user_data[0] = mdp_format;
mRotInfo.rotations = mOVInfo.user_data[0];
if (mOVInfo.user_data[0])
mRotInfo.enable = 1;
else {
if(mRotInfo.src.format == MDP_Y_CRCB_H2V2_TILE)
mOVInfo.src.format = MDP_Y_CRCB_H2V2_TILE;
mRotInfo.enable = 0;
}
if (ioctl(mRotFD, MSM_ROTATOR_IOCTL_START, &mRotInfo)) {
reportError("setParameter, rotator start failed");
return false;
}
if (ioctl(mFD, MSMFB_OVERLAY_SET, &mOVInfo)) {
reportError("setParameter, overlay set failed");
return false;
}
break;
}
}
default:
reportError("Unsupproted param");
return false;
return false;
}
return true;