/*
* Copyright (C) 2010 The Android Open Source Project
* Copyright (C) 2012-2014, 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 <cutils/properties.h>
#include <gralloc_priv.h>
#include <overlay.h>
#include <overlayRotator.h>
#include "hwc_fbupdate.h"
#include "mdp_version.h"
using namespace qdutils;
using namespace overlay;
using overlay::Rotator;
using namespace overlay::utils;
namespace qhwc {
namespace ovutils = overlay::utils;
IFBUpdate* IFBUpdate::getObject(hwc_context_t *ctx, const int& dpy) {
if(qdutils::MDPVersion::getInstance().isSrcSplit()) {
return new FBSrcSplit(ctx, dpy);
} else if(isDisplaySplit(ctx, dpy)) {
return new FBUpdateSplit(ctx, dpy);
}
return new FBUpdateNonSplit(ctx, dpy);
}
IFBUpdate::IFBUpdate(hwc_context_t *ctx, const int& dpy) : mDpy(dpy) {
unsigned int size = 0;
uint32_t xres = ctx->dpyAttr[mDpy].xres;
uint32_t yres = ctx->dpyAttr[mDpy].yres;
if (ctx->dpyAttr[dpy].customFBSize) {
//GPU will render and compose at new resolution
//So need to have FB at new resolution
xres = ctx->dpyAttr[mDpy].xres_new;
yres = ctx->dpyAttr[mDpy].yres_new;
}
getBufferAttributes((int)xres, (int)yres,
ctx->dpyAttr[mDpy].fbformat,
0,
mAlignedFBWidth,
mAlignedFBHeight,
mTileEnabled, size);
}
void IFBUpdate::reset() {
mModeOn = false;
mRot = NULL;
}
bool IFBUpdate::prepareAndValidate(hwc_context_t *ctx,
hwc_display_contents_1 *list, int fbZorder) {
hwc_layer_1_t *layer = &list->hwLayers[list->numHwLayers - 1];
mModeOn = prepare(ctx, list, layer->displayFrame, fbZorder) &&
ctx->mOverlay->validateAndSet(mDpy, ctx->dpyAttr[mDpy].fd);
return mModeOn;
}
//================= Low res====================================
FBUpdateNonSplit::FBUpdateNonSplit(hwc_context_t *ctx, const int& dpy):
IFBUpdate(ctx, dpy) {}
void FBUpdateNonSplit::reset() {
IFBUpdate::reset();
mDest = ovutils::OV_INVALID;
}
bool FBUpdateNonSplit::preRotateExtDisplay(hwc_context_t *ctx,
hwc_layer_1_t *layer,
ovutils::Whf &info,
hwc_rect_t& sourceCrop,
ovutils::eMdpFlags& mdpFlags,
int& rotFlags)
{
int extOrient = getExtOrientation(ctx);
ovutils::eTransform orient = static_cast<ovutils::eTransform >(extOrient);
if(mDpy && (extOrient & HWC_TRANSFORM_ROT_90)) {
mRot = ctx->mRotMgr->getNext();
if(mRot == NULL) return false;
ctx->mLayerRotMap[mDpy]->add(layer, mRot);
// Composed FB content will have black bars, if the viewFrame of the
// external is different from {0, 0, fbWidth, fbHeight}, so intersect
// viewFrame with sourceCrop to avoid those black bars
sourceCrop = getIntersection(sourceCrop, ctx->mViewFrame[mDpy]);
//Configure rotator for pre-rotation
if(configRotator(mRot, info, sourceCrop, mdpFlags, orient, 0) < 0) {
ALOGE("%s: configRotator Failed!", __FUNCTION__);
mRot = NULL;
return false;
}
updateSource(orient, info, sourceCrop, mRot);
rotFlags |= ovutils::ROT_PREROTATED;
}
return true;
}
bool FBUpdateNonSplit::prepare(hwc_context_t *ctx, hwc_display_contents_1 *list,
hwc_rect_t fbUpdatingRect, int fbZorder) {
if(!ctx->mMDP.hasOverlay) {
ALOGD_IF(DEBUG_FBUPDATE, "%s, this hw doesnt support overlays",
__FUNCTION__);
return false;
}
mModeOn = configure(ctx, list, fbUpdatingRect, fbZorder);
return mModeOn;
}
// Configure
bool FBUpdateNonSplit::configure(hwc_context_t *ctx, hwc_display_contents_1 *list,
hwc_rect_t fbUpdatingRect, int fbZorder) {
bool ret = false;
hwc_layer_1_t *layer = &list->hwLayers[list->numHwLayers - 1];
if (LIKELY(ctx->mOverlay)) {
overlay::Overlay& ov = *(ctx->mOverlay);
ovutils::Whf info(mAlignedFBWidth, mAlignedFBHeight,
ovutils::getMdpFormat(ctx->dpyAttr[mDpy].fbformat,
mTileEnabled));
Overlay::PipeSpecs pipeSpecs;
pipeSpecs.formatClass = Overlay::FORMAT_RGB;
pipeSpecs.needsScaling = qhwc::needsScaling(layer);
pipeSpecs.dpy = mDpy;
pipeSpecs.mixer = Overlay::MIXER_DEFAULT;
pipeSpecs.fb = true;
ovutils::eDest dest = ov.getPipe(pipeSpecs);
if(dest == ovutils::OV_INVALID) { //None available
ALOGE("%s: No pipes available to configure fb for dpy %d",
__FUNCTION__, mDpy);
return false;
}
mDest = dest;
if((mDpy && ctx->deviceOrientation) &&
ctx->listStats[mDpy].isDisplayAnimating) {
fbZorder = 0;
}
ovutils::eMdpFlags mdpFlags = ovutils::OV_MDP_BLEND_FG_PREMULT;
ovutils::eZorder zOrder = static_cast<ovutils::eZorder>(fbZorder);
hwc_rect_t sourceCrop = integerizeSourceCrop(layer->sourceCropf);
hwc_rect_t displayFrame = layer->displayFrame;
// No FB update optimization on (1) Custom FB resolution,
// (2) External Mirror mode, (3) External orientation
if(!ctx->dpyAttr[mDpy].customFBSize && !ctx->mBufferMirrorMode
&& !ctx->mExtOrientation) {
sourceCrop = fbUpdatingRect;
displayFrame = fbUpdatingRect;
}
int transform = layer->transform;
int rotFlags = ovutils::ROT_FLAGS_NONE;
ovutils::eTransform orient =
static_cast<ovutils::eTransform>(transform);
// use ext orientation if any
int extOrient = getExtOrientation(ctx);
// Do not use getNonWormholeRegion() function to calculate the
// sourceCrop during animation on external display and
// Dont do wormhole calculation when extorientation is set on External
// Dont do wormhole calculation when scaling mode is set on External
if(ctx->listStats[mDpy].isDisplayAnimating && mDpy) {
sourceCrop = layer->displayFrame;
} else if((mDpy && !extOrient
&& !ctx->dpyAttr[mDpy].mMDPScalingMode)) {
if(ctx->mOverlay->isUIScalingOnExternalSupported() &&
!ctx->dpyAttr[mDpy].customFBSize) {
getNonWormholeRegion(list, sourceCrop);
displayFrame = sourceCrop;
}
}
calcExtDisplayPosition(ctx, NULL, mDpy, sourceCrop, displayFrame,
transform, orient);
//Store the displayFrame, will be used in getDisplayViewFrame
ctx->dpyAttr[mDpy].mDstRect = displayFrame;
setMdpFlags(ctx, layer, mdpFlags, 0, transform);
// For External use rotator if there is a rotation value set
ret = preRotateExtDisplay(ctx, layer, info,
sourceCrop, mdpFlags, rotFlags);
if(!ret) {
ALOGE("%s: preRotate for external Failed!", __FUNCTION__);
return false;
}
//For the mdp, since either we are pre-rotating or MDP does flips
orient = ovutils::OVERLAY_TRANSFORM_0;
transform = 0;
ovutils::PipeArgs parg(mdpFlags, info, zOrder,
static_cast<ovutils::eRotFlags>(rotFlags),
ovutils::DEFAULT_PLANE_ALPHA,
(ovutils::eBlending)
getBlending(layer->blending));
ret = true;
if(configMdp(ctx->mOverlay, parg, orient, sourceCrop, displayFrame,
NULL, mDest) < 0) {
ALOGE("%s: configMdp failed for dpy %d", __FUNCTION__, mDpy);
ret = false;
}
}
return ret;
}
bool FBUpdateNonSplit::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;
int fd = hnd->fd;
uint32_t offset = (uint32_t)hnd->offset;
if(mRot) {
if(!mRot->queueBuffer(fd, offset))
return false;
fd = mRot->getDstMemId();
offset = mRot->getDstOffset();
}
if (!ov.queueBuffer(fd, offset, dest)) {
ALOGE("%s: queueBuffer failed for FBUpdate", __FUNCTION__);
ret = false;
}
return ret;
}
//================= High res====================================
FBUpdateSplit::FBUpdateSplit(hwc_context_t *ctx, const int& dpy):
IFBUpdate(ctx, dpy) {}
void FBUpdateSplit::reset() {
IFBUpdate::reset();
mDestLeft = ovutils::OV_INVALID;
mDestRight = ovutils::OV_INVALID;
mRot = NULL;
}
bool FBUpdateSplit::prepare(hwc_context_t *ctx, hwc_display_contents_1 *list,
hwc_rect_t fbUpdatingRect, int fbZorder) {
if(!ctx->mMDP.hasOverlay) {
ALOGD_IF(DEBUG_FBUPDATE, "%s, this hw doesnt support overlays",
__FUNCTION__);
return false;
}
mModeOn = configure(ctx, list, fbUpdatingRect, fbZorder);
ALOGD_IF(DEBUG_FBUPDATE, "%s, mModeOn = %d", __FUNCTION__, mModeOn);
return mModeOn;
}
// Configure
bool FBUpdateSplit::configure(hwc_context_t *ctx,
hwc_display_contents_1 *list, hwc_rect_t fbUpdatingRect, int fbZorder) {
bool ret = false;
hwc_layer_1_t *layer = &list->hwLayers[list->numHwLayers - 1];
if (LIKELY(ctx->mOverlay)) {
ovutils::Whf info(mAlignedFBWidth, mAlignedFBHeight,
ovutils::getMdpFormat(HAL_PIXEL_FORMAT_RGBA_8888,
mTileEnabled));
overlay::Overlay& ov = *(ctx->mOverlay);
ovutils::eMdpFlags mdpFlags = ovutils::OV_MDP_BLEND_FG_PREMULT;
ovutils::eZorder zOrder = static_cast<ovutils::eZorder>(fbZorder);
ovutils::eTransform orient =
static_cast<ovutils::eTransform>(layer->transform);
const int hw_w = ctx->dpyAttr[mDpy].xres;
const int hw_h = ctx->dpyAttr[mDpy].yres;
const int lSplit = getLeftSplit(ctx, mDpy);
mDestLeft = ovutils::OV_INVALID;
mDestRight = ovutils::OV_INVALID;
hwc_rect_t sourceCrop = integerizeSourceCrop(layer->sourceCropf);
hwc_rect_t displayFrame = layer->displayFrame;
// No FB update optimization on (1) Custom FB resolution,
// (2) External Mirror mode, (3) External orientation
if(!ctx->dpyAttr[mDpy].customFBSize && !ctx->mBufferMirrorMode
&& !ctx->mExtOrientation) {
sourceCrop = fbUpdatingRect;
displayFrame = fbUpdatingRect;
}
int transform = layer->transform;
// use ext orientation if any
int extOrient = getExtOrientation(ctx);
// Do not use getNonWormholeRegion() function to calculate the
// sourceCrop during animation on external display and
// Dont do wormhole calculation when extorientation is set on External
// Dont do wormhole calculation when scaling mode is set on External
if(ctx->listStats[mDpy].isDisplayAnimating && mDpy) {
sourceCrop = layer->displayFrame;
} else if((mDpy && !extOrient
&& !ctx->dpyAttr[mDpy].mMDPScalingMode)) {
if(!qdutils::MDPVersion::getInstance().is8x26() &&
!ctx->dpyAttr[mDpy].customFBSize) {
getNonWormholeRegion(list, sourceCrop);
displayFrame = sourceCrop;
}
}
calcExtDisplayPosition(ctx, NULL, mDpy, sourceCrop, displayFrame,
transform, orient);
ret = true;
Overlay::PipeSpecs pipeSpecs;
pipeSpecs.formatClass = Overlay::FORMAT_RGB;
pipeSpecs.needsScaling = qhwc::needsScaling(layer);
pipeSpecs.dpy = mDpy;
pipeSpecs.fb = true;
/* Configure left pipe */
if(displayFrame.left < lSplit) {
pipeSpecs.mixer = Overlay::MIXER_LEFT;
ovutils::eDest destL = ov.getPipe(pipeSpecs);
if(destL == ovutils::OV_INVALID) { //None available
ALOGE("%s: No pipes available to configure fb for dpy %d's left"
" mixer", __FUNCTION__, mDpy);
return false;
}
mDestLeft = destL;
//XXX: FB layer plane alpha is currently sent as zero from
//surfaceflinger
ovutils::PipeArgs pargL(mdpFlags,
info,
zOrder,
ovutils::ROT_FLAGS_NONE,
ovutils::DEFAULT_PLANE_ALPHA,
(ovutils::eBlending)
getBlending(layer->blending));
hwc_rect_t cropL = sourceCrop;
hwc_rect_t dstL = displayFrame;
hwc_rect_t scissorL = {0, 0, lSplit, hw_h };
qhwc::calculate_crop_rects(cropL, dstL, scissorL, 0);
if (configMdp(ctx->mOverlay, pargL, orient, cropL,
dstL, NULL, destL)< 0) {
ALOGE("%s: configMdp fails for left FB", __FUNCTION__);
ret = false;
}
}
/* Configure right pipe */
if(displayFrame.right > lSplit) {
pipeSpecs.mixer = Overlay::MIXER_RIGHT;
ovutils::eDest destR = ov.getPipe(pipeSpecs);
if(destR == ovutils::OV_INVALID) { //None available
ALOGE("%s: No pipes available to configure fb for dpy %d's"
" right mixer", __FUNCTION__, mDpy);
return false;
}
mDestRight = destR;
ovutils::eMdpFlags mdpFlagsR = mdpFlags;
ovutils::setMdpFlags(mdpFlagsR, ovutils::OV_MDSS_MDP_RIGHT_MIXER);
//XXX: FB layer plane alpha is currently sent as zero from
//surfaceflinger
ovutils::PipeArgs pargR(mdpFlagsR,
info,
zOrder,
ovutils::ROT_FLAGS_NONE,
ovutils::DEFAULT_PLANE_ALPHA,
(ovutils::eBlending)
getBlending(layer->blending));
hwc_rect_t cropR = sourceCrop;
hwc_rect_t dstR = displayFrame;
hwc_rect_t scissorR = {lSplit, 0, hw_w, hw_h };
qhwc::calculate_crop_rects(cropR, dstR, scissorR, 0);
dstR.left -= lSplit;
dstR.right -= lSplit;
if (configMdp(ctx->mOverlay, pargR, orient, cropR,
dstR, NULL, destR) < 0) {
ALOGE("%s: configMdp fails for right FB", __FUNCTION__);
ret = false;
}
}
}
return ret;
}
bool FBUpdateSplit::draw(hwc_context_t *ctx, private_handle_t *hnd)
{
if(!mModeOn) {
return true;
}
bool ret = true;
overlay::Overlay& ov = *(ctx->mOverlay);
if(mDestLeft != ovutils::OV_INVALID) {
if (!ov.queueBuffer(hnd->fd, (uint32_t)hnd->offset, mDestLeft)) {
ALOGE("%s: queue failed for left of dpy = %d",
__FUNCTION__, mDpy);
ret = false;
}
}
if(mDestRight != ovutils::OV_INVALID) {
if (!ov.queueBuffer(hnd->fd, (uint32_t)hnd->offset, mDestRight)) {
ALOGE("%s: queue failed for right of dpy = %d",
__FUNCTION__, mDpy);
ret = false;
}
}
return ret;
}
//=================FBSrcSplit====================================
FBSrcSplit::FBSrcSplit(hwc_context_t *ctx, const int& dpy):
FBUpdateSplit(ctx, dpy) {}
bool FBSrcSplit::configure(hwc_context_t *ctx, hwc_display_contents_1 *list,
hwc_rect_t fbUpdatingRect, int fbZorder) {
hwc_layer_1_t *layer = &list->hwLayers[list->numHwLayers - 1];
overlay::Overlay& ov = *(ctx->mOverlay);
ovutils::Whf info(mAlignedFBWidth,
mAlignedFBHeight,
ovutils::getMdpFormat(HAL_PIXEL_FORMAT_RGBA_8888,
mTileEnabled));
ovutils::eMdpFlags mdpFlags = OV_MDP_BLEND_FG_PREMULT;
ovutils::eZorder zOrder = static_cast<ovutils::eZorder>(fbZorder);
ovutils::PipeArgs parg(mdpFlags,
info,
zOrder,
ovutils::ROT_FLAGS_NONE,
ovutils::DEFAULT_PLANE_ALPHA,
(ovutils::eBlending)
getBlending(layer->blending));
hwc_rect_t sourceCrop = integerizeSourceCrop(layer->sourceCropf);
hwc_rect_t displayFrame = layer->displayFrame;
// No FB update optimization on (1) Custom FB resolution,
// (2) External Mirror mode, (3) External orientation
if(!ctx->dpyAttr[mDpy].customFBSize && !ctx->mBufferMirrorMode
&& !ctx->mExtOrientation) {
sourceCrop = fbUpdatingRect;
displayFrame = fbUpdatingRect;
}
int transform = layer->transform;
ovutils::eTransform orient =
static_cast<ovutils::eTransform>(transform);
// use ext orientation if any
int extOrient = getExtOrientation(ctx);
// Do not use getNonWormholeRegion() function to calculate the
// sourceCrop during animation on external display and
// Dont do wormhole calculation when extorientation is set on External
// Dont do wormhole calculation when scaling mode is set on External
if(ctx->listStats[mDpy].isDisplayAnimating && mDpy) {
sourceCrop = layer->displayFrame;
} else if((mDpy && !extOrient
&& !ctx->dpyAttr[mDpy].mMDPScalingMode)) {
if(!qdutils::MDPVersion::getInstance().is8x26() &&
!ctx->dpyAttr[mDpy].customFBSize) {
getNonWormholeRegion(list, sourceCrop);
displayFrame = sourceCrop;
}
}
calcExtDisplayPosition(ctx, NULL, mDpy, sourceCrop, displayFrame,
transform, orient);
hwc_rect_t cropL = sourceCrop;
hwc_rect_t cropR = sourceCrop;
hwc_rect_t dstL = displayFrame;
hwc_rect_t dstR = displayFrame;
//Request left pipe (or 1 by default)
Overlay::PipeSpecs pipeSpecs;
pipeSpecs.formatClass = Overlay::FORMAT_RGB;
pipeSpecs.needsScaling = qhwc::needsScaling(layer);
pipeSpecs.dpy = mDpy;
pipeSpecs.mixer = Overlay::MIXER_DEFAULT;
pipeSpecs.fb = true;
ovutils::eDest destL = ov.getPipe(pipeSpecs);
if(destL == ovutils::OV_INVALID) {
ALOGE("%s: No pipes available to configure fb for dpy %d's left"
" mixer", __FUNCTION__, mDpy);
return false;
}
ovutils::eDest destR = ovutils::OV_INVALID;
/* Use 2 pipes IF
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.
*/
const bool primarySplitAlways = (mDpy == HWC_DISPLAY_PRIMARY) and
qdutils::MDPVersion::getInstance().isSrcSplitAlways();
const uint32_t lSplit = getLeftSplit(ctx, mDpy);
const uint32_t cropWidth = sourceCrop.right - sourceCrop.left;
if((cropWidth > qdutils::MDPVersion::getInstance().getMaxMixerWidth()) or
(primarySplitAlways and cropWidth > lSplit)) {
destR = ov.getPipe(pipeSpecs);
if(destR == ovutils::OV_INVALID) {
ALOGE("%s: No pipes available to configure fb for dpy %d's right"
" mixer", __FUNCTION__, mDpy);
return false;
}
if(ctx->mOverlay->comparePipePriority(destL, destR) == -1) {
qhwc::swap(destL, destR);
}
//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;
}
mDestLeft = destL;
mDestRight = destR;
if(destL != OV_INVALID) {
if(configMdp(ctx->mOverlay, parg, orient,
cropL, dstL, NULL /*metadata*/, destL) < 0) {
ALOGE("%s: commit failed for left mixer config", __FUNCTION__);
return false;
}
}
//configure right pipe
if(destR != OV_INVALID) {
if(configMdp(ctx->mOverlay, parg, orient,
cropR, dstR, NULL /*metadata*/, destR) < 0) {
ALOGE("%s: commit failed for right mixer config", __FUNCTION__);
return false;
}
}
return true;
}
//---------------------------------------------------------------------
}; //namespace qhwc