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/*
* Copyright (C) 2010 The Android Open Source Project
* Copyright (C) 2012-2013, The Linux Foundation. All rights reserved.
*
* Not a Contribution, Apache license notifications and license are
* retained for attribution purposes only.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define DEBUG_FBUPDATE 0
#include <gralloc_priv.h>
#include "hwc_fbupdate.h"
namespace qhwc {
namespace ovutils = overlay::utils;
IFBUpdate* IFBUpdate::getObject(const int& width, const int& dpy) {
if(width > MAX_DISPLAY_DIM) {
return new FBUpdateHighRes(dpy);
}
return new FBUpdateLowRes(dpy);
}
inline void IFBUpdate::reset() {
mModeOn = false;
}
//================= Low res====================================
FBUpdateLowRes::FBUpdateLowRes(const int& dpy): IFBUpdate(dpy) {}
inline void FBUpdateLowRes::reset() {
IFBUpdate::reset();
mDest = ovutils::OV_INVALID;
}
bool FBUpdateLowRes::prepare(hwc_context_t *ctx, hwc_display_contents_1 *list,
int fbZorder) {
if(!ctx->mMDP.hasOverlay) {
ALOGD_IF(DEBUG_FBUPDATE, "%s, this hw doesnt support overlays",
__FUNCTION__);
return false;
}
mModeOn = configure(ctx, list, fbZorder);
return mModeOn;
}
// Configure
bool FBUpdateLowRes::configure(hwc_context_t *ctx, hwc_display_contents_1 *list,
int fbZorder) {
bool ret = false;
hwc_layer_1_t *layer = &list->hwLayers[list->numHwLayers - 1];
if (LIKELY(ctx->mOverlay)) {
overlay::Overlay& ov = *(ctx->mOverlay);
private_handle_t *hnd = (private_handle_t *)layer->handle;
ovutils::Whf info(getWidth(hnd), getHeight(hnd),
ovutils::getMdpFormat(hnd->format), hnd->size);
//Request an RGB pipe
ovutils::eDest dest = ov.nextPipe(ovutils::OV_MDP_PIPE_ANY, mDpy);
if(dest == ovutils::OV_INVALID) { //None available
ALOGE("%s: No pipes available to configure framebuffer",
__FUNCTION__);
return false;
}
mDest = dest;
ovutils::eMdpFlags mdpFlags = ovutils::OV_MDP_BLEND_FG_PREMULT;
ovutils::eZorder zOrder = static_cast<ovutils::eZorder>(fbZorder);
//XXX: FB layer plane alpha is currently sent as zero from
//surfaceflinger
ovutils::PipeArgs parg(mdpFlags,
info,
zOrder,
ovutils::IS_FG_OFF,
ovutils::ROT_FLAGS_NONE,
ovutils::DEFAULT_PLANE_ALPHA,
(ovutils::eBlending) getBlending(layer->blending));
ov.setSource(parg, dest);
hwc_rect_t sourceCrop;
getNonWormholeRegion(list, sourceCrop);
// x,y,w,h
ovutils::Dim dcrop(sourceCrop.left, sourceCrop.top,
sourceCrop.right - sourceCrop.left,
sourceCrop.bottom - sourceCrop.top);
ov.setCrop(dcrop, dest);
int transform = layer->transform;
ovutils::eTransform orient =
static_cast<ovutils::eTransform>(transform);
ov.setTransform(orient, dest);
hwc_rect_t displayFrame = sourceCrop;
ovutils::Dim dpos(displayFrame.left,
displayFrame.top,
displayFrame.right - displayFrame.left,
displayFrame.bottom - displayFrame.top);
// Calculate the actionsafe dimensions for External(dpy = 1 or 2)
if(mDpy)
getActionSafePosition(ctx, mDpy, dpos.x, dpos.y, dpos.w, dpos.h);
ov.setPosition(dpos, dest);
ret = true;
if (!ov.commit(dest)) {
ALOGE("%s: commit fails", __FUNCTION__);
ret = false;
}
}
return ret;
}
bool FBUpdateLowRes::draw(hwc_context_t *ctx, private_handle_t *hnd)
{
if(!mModeOn) {
return true;
}
bool ret = true;
overlay::Overlay& ov = *(ctx->mOverlay);
ovutils::eDest dest = mDest;
if (!ov.queueBuffer(hnd->fd, hnd->offset, dest)) {
ALOGE("%s: queueBuffer failed for FBUpdate", __FUNCTION__);
ret = false;
}
return ret;
}
//================= High res====================================
FBUpdateHighRes::FBUpdateHighRes(const int& dpy): IFBUpdate(dpy) {}
inline void FBUpdateHighRes::reset() {
IFBUpdate::reset();
mDestLeft = ovutils::OV_INVALID;
mDestRight = ovutils::OV_INVALID;
}
bool FBUpdateHighRes::prepare(hwc_context_t *ctx, hwc_display_contents_1 *list,
int fbZorder) {
if(!ctx->mMDP.hasOverlay) {
ALOGD_IF(DEBUG_FBUPDATE, "%s, this hw doesnt support overlays",
__FUNCTION__);
return false;
}
ALOGD_IF(DEBUG_FBUPDATE, "%s, mModeOn = %d", __FUNCTION__, mModeOn);
mModeOn = configure(ctx, list, fbZorder);
return mModeOn;
}
// Configure
bool FBUpdateHighRes::configure(hwc_context_t *ctx,
hwc_display_contents_1 *list, int fbZorder) {
bool ret = false;
hwc_layer_1_t *layer = &list->hwLayers[list->numHwLayers - 1];
if (LIKELY(ctx->mOverlay)) {
overlay::Overlay& ov = *(ctx->mOverlay);
private_handle_t *hnd = (private_handle_t *)layer->handle;
ovutils::Whf info(getWidth(hnd), getHeight(hnd),
ovutils::getMdpFormat(hnd->format), hnd->size);
//Request left RGB pipe
ovutils::eDest destL = ov.nextPipe(ovutils::OV_MDP_PIPE_RGB, mDpy);
if(destL == ovutils::OV_INVALID) { //None available
ALOGE("%s: No pipes available to configure framebuffer",
__FUNCTION__);
return false;
}
//Request right RGB pipe
ovutils::eDest destR = ov.nextPipe(ovutils::OV_MDP_PIPE_RGB, mDpy);
if(destR == ovutils::OV_INVALID) { //None available
ALOGE("%s: No pipes available to configure framebuffer",
__FUNCTION__);
return false;
}
mDestLeft = destL;
mDestRight = destR;
ovutils::eMdpFlags mdpFlagsL = ovutils::OV_MDP_BLEND_FG_PREMULT;
ovutils::eZorder zOrder = static_cast<ovutils::eZorder>(fbZorder);
//XXX: FB layer plane alpha is currently sent as zero from
//surfaceflinger
ovutils::PipeArgs pargL(mdpFlagsL,
info,
zOrder,
ovutils::IS_FG_OFF,
ovutils::ROT_FLAGS_NONE,
ovutils::DEFAULT_PLANE_ALPHA,
(ovutils::eBlending) getBlending(layer->blending));
ov.setSource(pargL, destL);
ovutils::eMdpFlags mdpFlagsR = mdpFlagsL;
ovutils::setMdpFlags(mdpFlagsR, ovutils::OV_MDSS_MDP_RIGHT_MIXER);
ovutils::PipeArgs pargR(mdpFlagsR,
info,
zOrder,
ovutils::IS_FG_OFF,
ovutils::ROT_FLAGS_NONE,
ovutils::DEFAULT_PLANE_ALPHA,
(ovutils::eBlending) getBlending(layer->blending));
ov.setSource(pargR, destR);
hwc_rect_t sourceCrop;
getNonWormholeRegion(list, sourceCrop);
ovutils::Dim dcropL(sourceCrop.left, sourceCrop.top,
(sourceCrop.right - sourceCrop.left) / 2,
sourceCrop.bottom - sourceCrop.top);
ovutils::Dim dcropR(
sourceCrop.left + (sourceCrop.right - sourceCrop.left) / 2,
sourceCrop.top,
(sourceCrop.right - sourceCrop.left) / 2,
sourceCrop.bottom - sourceCrop.top);
ov.setCrop(dcropL, destL);
ov.setCrop(dcropR, destR);
int transform = layer->transform;
ovutils::eTransform orient =
static_cast<ovutils::eTransform>(transform);
ov.setTransform(orient, destL);
ov.setTransform(orient, destR);
hwc_rect_t displayFrame = sourceCrop;
//For FB left, top will always be 0
//That should also be the case if using 2 mixers for single display
ovutils::Dim dposL(displayFrame.left,
displayFrame.top,
(displayFrame.right - displayFrame.left) / 2,
displayFrame.bottom - displayFrame.top);
ov.setPosition(dposL, destL);
ovutils::Dim dposR(0,
displayFrame.top,
(displayFrame.right - displayFrame.left) / 2,
displayFrame.bottom - displayFrame.top);
ov.setPosition(dposR, destR);
ret = true;
if (!ov.commit(destL)) {
ALOGE("%s: commit fails for left", __FUNCTION__);
ret = false;
}
if (!ov.commit(destR)) {
ALOGE("%s: commit fails for right", __FUNCTION__);
ret = false;
}
}
return ret;
}
bool FBUpdateHighRes::draw(hwc_context_t *ctx, private_handle_t *hnd)
{
if(!mModeOn) {
return true;
}
bool ret = true;
overlay::Overlay& ov = *(ctx->mOverlay);
ovutils::eDest destL = mDestLeft;
ovutils::eDest destR = mDestRight;
if (!ov.queueBuffer(hnd->fd, hnd->offset, destL)) {
ALOGE("%s: queue failed for left of dpy = %d",
__FUNCTION__, mDpy);
ret = false;
}
if (!ov.queueBuffer(hnd->fd, hnd->offset, destR)) {
ALOGE("%s: queue failed for right of dpy = %d",
__FUNCTION__, mDpy);
ret = false;
}
return ret;
}
//---------------------------------------------------------------------
}; //namespace qhwc