/*
* 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.
*/
#include <math.h>
#include "hwc_mdpcomp.h"
#include <sys/ioctl.h>
#include "qdMetaData.h"
#include "mdp_version.h"
#include "hwc_fbupdate.h"
#include "hwc_ad.h"
#include <overlayRotator.h>
using namespace overlay;
using namespace qdutils;
using namespace overlay::utils;
namespace ovutils = overlay::utils;
namespace qhwc {
//==============MDPComp========================================================
IdleInvalidator *MDPComp::idleInvalidator = NULL;
bool MDPComp::sIdleFallBack = false;
bool MDPComp::sDebugLogs = false;
bool MDPComp::sEnabled = false;
bool MDPComp::sEnableMixedMode = true;
int MDPComp::sMaxPipesPerMixer = MAX_PIPES_PER_MIXER;
MDPComp* MDPComp::getObject(const int& width, const int& rightSplit,
const int& dpy) {
if(width > MAX_DISPLAY_DIM || rightSplit) {
return new MDPCompHighRes(dpy);
}
return new MDPCompLowRes(dpy);
}
MDPComp::MDPComp(int dpy):mDpy(dpy){};
void MDPComp::dump(android::String8& buf)
{
if(mCurrentFrame.layerCount > MAX_NUM_APP_LAYERS)
return;
dumpsys_log(buf,"HWC Map for Dpy: %s \n",
(mDpy == 0) ? "\"PRIMARY\"" :
(mDpy == 1) ? "\"EXTERNAL\"" : "\"VIRTUAL\"");
dumpsys_log(buf,"CURR_FRAME: layerCount:%2d mdpCount:%2d "
"fbCount:%2d \n", mCurrentFrame.layerCount,
mCurrentFrame.mdpCount, mCurrentFrame.fbCount);
dumpsys_log(buf,"needsFBRedraw:%3s pipesUsed:%2d MaxPipesPerMixer: %d \n",
(mCurrentFrame.needsRedraw? "YES" : "NO"),
mCurrentFrame.mdpCount, sMaxPipesPerMixer);
dumpsys_log(buf," --------------------------------------------- \n");
dumpsys_log(buf," listIdx | cached? | mdpIndex | comptype | Z \n");
dumpsys_log(buf," --------------------------------------------- \n");
for(int index = 0; index < mCurrentFrame.layerCount; index++ )
dumpsys_log(buf," %7d | %7s | %8d | %9s | %2d \n",
index,
(mCurrentFrame.isFBComposed[index] ? "YES" : "NO"),
mCurrentFrame.layerToMDP[index],
(mCurrentFrame.isFBComposed[index] ?
(mCurrentFrame.needsRedraw ? "GLES" : "CACHE") : "MDP"),
(mCurrentFrame.isFBComposed[index] ? mCurrentFrame.fbZ :
mCurrentFrame.mdpToLayer[mCurrentFrame.layerToMDP[index]].pipeInfo->zOrder));
dumpsys_log(buf,"\n");
}
bool MDPComp::init(hwc_context_t *ctx) {
if(!ctx) {
ALOGE("%s: Invalid hwc context!!",__FUNCTION__);
return false;
}
char property[PROPERTY_VALUE_MAX];
sEnabled = false;
if((property_get("persist.hwc.mdpcomp.enable", property, NULL) > 0) &&
(!strncmp(property, "1", PROPERTY_VALUE_MAX ) ||
(!strncasecmp(property,"true", PROPERTY_VALUE_MAX )))) {
sEnabled = true;
}
sEnableMixedMode = true;
if((property_get("debug.mdpcomp.mixedmode.disable", property, NULL) > 0) &&
(!strncmp(property, "1", PROPERTY_VALUE_MAX ) ||
(!strncasecmp(property,"true", PROPERTY_VALUE_MAX )))) {
sEnableMixedMode = false;
}
sDebugLogs = false;
if(property_get("debug.mdpcomp.logs", property, NULL) > 0) {
if(atoi(property) != 0)
sDebugLogs = true;
}
sMaxPipesPerMixer = MAX_PIPES_PER_MIXER;
if(property_get("debug.mdpcomp.maxpermixer", property, "-1") > 0) {
int val = atoi(property);
if(val >= 0)
sMaxPipesPerMixer = min(val, MAX_PIPES_PER_MIXER);
}
if(ctx->mMDP.panel != MIPI_CMD_PANEL) {
// Idle invalidation is not necessary on command mode panels
long idle_timeout = DEFAULT_IDLE_TIME;
if(property_get("debug.mdpcomp.idletime", property, NULL) > 0) {
if(atoi(property) != 0)
idle_timeout = atoi(property);
}
//create Idle Invalidator only when not disabled through property
if(idle_timeout != -1)
idleInvalidator = IdleInvalidator::getInstance();
if(idleInvalidator == NULL) {
ALOGE("%s: failed to instantiate idleInvalidator object",
__FUNCTION__);
} else {
idleInvalidator->init(timeout_handler, ctx, idle_timeout);
}
}
return true;
}
void MDPComp::reset(const int& numLayers, hwc_display_contents_1_t* list) {
mCurrentFrame.reset(numLayers);
mCachedFrame.cacheAll(list);
mCachedFrame.updateCounts(mCurrentFrame);
}
void MDPComp::timeout_handler(void *udata) {
struct hwc_context_t* ctx = (struct hwc_context_t*)(udata);
if(!ctx) {
ALOGE("%s: received empty data in timer callback", __FUNCTION__);
return;
}
if(!ctx->proc) {
ALOGE("%s: HWC proc not registered", __FUNCTION__);
return;
}
sIdleFallBack = true;
/* Trigger SF to redraw the current frame */
ctx->proc->invalidate(ctx->proc);
}
void MDPComp::setMDPCompLayerFlags(hwc_context_t *ctx,
hwc_display_contents_1_t* list) {
LayerProp *layerProp = ctx->layerProp[mDpy];
for(int index = 0; index < ctx->listStats[mDpy].numAppLayers; index++) {
hwc_layer_1_t* layer = &(list->hwLayers[index]);
if(!mCurrentFrame.isFBComposed[index]) {
layerProp[index].mFlags |= HWC_MDPCOMP;
layer->compositionType = HWC_OVERLAY;
layer->hints |= HWC_HINT_CLEAR_FB;
} else {
if(!mCurrentFrame.needsRedraw)
layer->compositionType = HWC_OVERLAY;
}
}
}
MDPComp::FrameInfo::FrameInfo() {
memset(&mdpToLayer, 0, sizeof(mdpToLayer));
reset(0);
}
void MDPComp::FrameInfo::reset(const int& numLayers) {
for(int i = 0 ; i < MAX_PIPES_PER_MIXER; i++ ) {
if(mdpToLayer[i].pipeInfo) {
delete mdpToLayer[i].pipeInfo;
mdpToLayer[i].pipeInfo = NULL;
//We dont own the rotator
mdpToLayer[i].rot = NULL;
}
}
memset(&mdpToLayer, 0, sizeof(mdpToLayer));
memset(&layerToMDP, -1, sizeof(layerToMDP));
memset(&isFBComposed, 1, sizeof(isFBComposed));
layerCount = numLayers;
fbCount = numLayers;
mdpCount = 0;
needsRedraw = true;
fbZ = 0;
}
void MDPComp::FrameInfo::map() {
// populate layer and MDP maps
int mdpIdx = 0;
for(int idx = 0; idx < layerCount; idx++) {
if(!isFBComposed[idx]) {
mdpToLayer[mdpIdx].listIndex = idx;
layerToMDP[idx] = mdpIdx++;
}
}
}
MDPComp::LayerCache::LayerCache() {
reset();
}
void MDPComp::LayerCache::reset() {
memset(&hnd, 0, sizeof(hnd));
mdpCount = 0;
fbCount = 0;
layerCount = 0;
fbZ = -1;
}
void MDPComp::LayerCache::cacheAll(hwc_display_contents_1_t* list) {
const int numAppLayers = list->numHwLayers - 1;
for(int i = 0; i < numAppLayers; i++) {
hnd[i] = list->hwLayers[i].handle;
}
}
void MDPComp::LayerCache::updateCounts(const FrameInfo& curFrame) {
mdpCount = curFrame.mdpCount;
fbCount = curFrame.fbCount;
layerCount = curFrame.layerCount;
fbZ = curFrame.fbZ;
}
bool MDPComp::isSupportedForMDPComp(hwc_context_t *ctx, hwc_layer_1_t* layer) {
private_handle_t *hnd = (private_handle_t *)layer->handle;
if((not isYuvBuffer(hnd) and has90Transform(layer)) or
(not isValidDimension(ctx,layer))
//More conditions here, SKIP, sRGB+Blend etc
) {
return false;
}
return true;
}
bool MDPComp::isValidDimension(hwc_context_t *ctx, hwc_layer_1_t *layer) {
const int dpy = HWC_DISPLAY_PRIMARY;
private_handle_t *hnd = (private_handle_t *)layer->handle;
if(!hnd) {
ALOGE("%s: layer handle is NULL", __FUNCTION__);
return false;
}
//XXX: Investigate doing this with pixel phase on MDSS
if(!isSecureBuffer(hnd) && isNonIntegralSourceCrop(layer->sourceCropf))
return false;
int hw_w = ctx->dpyAttr[mDpy].xres;
int hw_h = ctx->dpyAttr[mDpy].yres;
hwc_rect_t crop = integerizeSourceCrop(layer->sourceCropf);
hwc_rect_t dst = layer->displayFrame;
if(dst.left < 0 || dst.top < 0 || dst.right > hw_w || dst.bottom > hw_h) {
hwc_rect_t scissor = {0, 0, hw_w, hw_h };
qhwc::calculate_crop_rects(crop, dst, scissor, layer->transform);
}
bool rotated90 = (bool)(layer->transform & HAL_TRANSFORM_ROT_90);
int crop_w = rotated90 ? crop.bottom - crop.top : crop.right - crop.left;
int crop_h = rotated90 ? crop.right - crop.left : crop.bottom - crop.top;
int dst_w = dst.right - dst.left;
int dst_h = dst.bottom - dst.top;
float w_dscale = ceilf((float)crop_w / (float)dst_w);
float h_dscale = ceilf((float)crop_h / (float)dst_h);
//Workaround for MDP HW limitation in DSI command mode panels where
//FPS will not go beyond 30 if buffers on RGB pipes are of width < 5
if((crop_w < 5)||(crop_h < 5))
return false;
const uint32_t downscale =
qdutils::MDPVersion::getInstance().getMaxMDPDownscale();
if(ctx->mMDP.version >= qdutils::MDSS_V5) {
if(!qdutils::MDPVersion::getInstance().supportsDecimation()) {
if(crop_w > MAX_DISPLAY_DIM || w_dscale > downscale ||
h_dscale > downscale)
return false;
} else if(w_dscale > 64 || h_dscale > 64) {
return false;
}
} else { //A-family
if(w_dscale > downscale || h_dscale > downscale)
return false;
}
return true;
}
ovutils::eDest MDPComp::getMdpPipe(hwc_context_t *ctx, ePipeType type,
int mixer) {
overlay::Overlay& ov = *ctx->mOverlay;
ovutils::eDest mdp_pipe = ovutils::OV_INVALID;
switch(type) {
case MDPCOMP_OV_DMA:
mdp_pipe = ov.nextPipe(ovutils::OV_MDP_PIPE_DMA, mDpy, mixer);
if(mdp_pipe != ovutils::OV_INVALID) {
return mdp_pipe;
}
case MDPCOMP_OV_ANY:
case MDPCOMP_OV_RGB:
mdp_pipe = ov.nextPipe(ovutils::OV_MDP_PIPE_RGB, mDpy, mixer);
if(mdp_pipe != ovutils::OV_INVALID) {
return mdp_pipe;
}
if(type == MDPCOMP_OV_RGB) {
//Requested only for RGB pipe
break;
}
case MDPCOMP_OV_VG:
return ov.nextPipe(ovutils::OV_MDP_PIPE_VG, mDpy, mixer);
default:
ALOGE("%s: Invalid pipe type",__FUNCTION__);
return ovutils::OV_INVALID;
};
return ovutils::OV_INVALID;
}
bool MDPComp::isFrameDoable(hwc_context_t *ctx) {
bool ret = true;
const int numAppLayers = ctx->listStats[mDpy].numAppLayers;
if(!isEnabled()) {
ALOGD_IF(isDebug(),"%s: MDP Comp. not enabled.", __FUNCTION__);
ret = false;
} else if(qdutils::MDPVersion::getInstance().is8x26() &&
ctx->mVideoTransFlag &&
isSecondaryConnected(ctx)) {
//1 Padding round to shift pipes across mixers
ALOGD_IF(isDebug(),"%s: MDP Comp. video transition padding round",
__FUNCTION__);
ret = false;
} else if(isSecondaryConfiguring(ctx)) {
ALOGD_IF( isDebug(),"%s: External Display connection is pending",
__FUNCTION__);
ret = false;
} else if(ctx->isPaddingRound) {
ctx->isPaddingRound = false;
ALOGD_IF(isDebug(), "%s: padding round",__FUNCTION__);
ret = false;
}
return ret;
}
/* Checks for conditions where all the layers marked for MDP comp cannot be
* bypassed. On such conditions we try to bypass atleast YUV layers */
bool MDPComp::isFullFrameDoable(hwc_context_t *ctx,
hwc_display_contents_1_t* list){
const int numAppLayers = ctx->listStats[mDpy].numAppLayers;
if(sIdleFallBack) {
ALOGD_IF(isDebug(), "%s: Idle fallback dpy %d",__FUNCTION__, mDpy);
return false;
}
if(isSkipPresent(ctx, mDpy)) {
ALOGD_IF(isDebug(),"%s: SKIP present: %d",
__FUNCTION__,
isSkipPresent(ctx, mDpy));
return false;
}
if(ctx->listStats[mDpy].needsAlphaScale
&& ctx->mMDP.version < qdutils::MDSS_V5) {
ALOGD_IF(isDebug(), "%s: frame needs alpha downscaling",__FUNCTION__);
return false;
}
for(int i = 0; i < numAppLayers; ++i) {
hwc_layer_1_t* layer = &list->hwLayers[i];
private_handle_t *hnd = (private_handle_t *)layer->handle;
if(isYuvBuffer(hnd) && has90Transform(layer)) {
if(!canUseRotator(ctx, mDpy)) {
ALOGD_IF(isDebug(), "%s: Can't use rotator for dpy %d",
__FUNCTION__, mDpy);
return false;
}
}
if(mDpy > HWC_DISPLAY_PRIMARY && isL3SecureBuffer(hnd)) {
return false;
}
//For 8x26 with panel width>1k, if RGB layer needs HFLIP fail mdp comp
// may not need it if Gfx pre-rotation can handle all flips & rotations
if(qdutils::MDPVersion::getInstance().is8x26() &&
(ctx->dpyAttr[mDpy].xres > 1024) &&
(layer->transform & HWC_TRANSFORM_FLIP_H) &&
(!isYuvBuffer(hnd)))
return false;
}
if(ctx->mAD->isDoable()) {
return false;
}
//If all above hard conditions are met we can do full or partial MDP comp.
bool ret = false;
if(fullMDPComp(ctx, list)) {
ret = true;
} else if(partialMDPComp(ctx, list)) {
ret = true;
}
return ret;
}
bool MDPComp::fullMDPComp(hwc_context_t *ctx, hwc_display_contents_1_t* list) {
//Will benefit presentation / secondary-only layer.
if((mDpy > HWC_DISPLAY_PRIMARY) &&
(list->numHwLayers - 1) > MAX_SEC_LAYERS) {
ALOGD_IF(isDebug(), "%s: Exceeds max secondary pipes",__FUNCTION__);
return false;
}
/* XXX: There is some flicker currently seen with partial
* MDP composition on the virtual display.
* Disable UI MDP comp on virtual until it is fixed*/
if(mDpy > HWC_DISPLAY_EXTERNAL) {
return false;
}
const int numAppLayers = ctx->listStats[mDpy].numAppLayers;
for(int i = 0; i < numAppLayers; i++) {
hwc_layer_1_t* layer = &list->hwLayers[i];
if(not isSupportedForMDPComp(ctx, layer)) {
ALOGD_IF(isDebug(), "%s: Unsupported layer in list",__FUNCTION__);
return false;
}
}
//Setup mCurrentFrame
mCurrentFrame.mdpCount = mCurrentFrame.layerCount;
mCurrentFrame.fbCount = 0;
mCurrentFrame.fbZ = -1;
memset(&mCurrentFrame.isFBComposed, 0, sizeof(mCurrentFrame.isFBComposed));
int mdpCount = mCurrentFrame.mdpCount;
if(mdpCount > sMaxPipesPerMixer) {
ALOGD_IF(isDebug(), "%s: Exceeds MAX_PIPES_PER_MIXER",__FUNCTION__);
return false;
}
if(!arePipesAvailable(ctx, list)) {
return false;
}
return true;
}
bool MDPComp::partialMDPComp(hwc_context_t *ctx, hwc_display_contents_1_t* list)
{
if(!sEnableMixedMode) {
//Mixed mode is disabled. No need to even try caching.
return false;
}
bool ret = false;
if(isLoadBasedCompDoable(ctx, list)) {
ret = loadBasedComp(ctx, list);
}
if(!ret) {
ret = cacheBasedComp(ctx, list);
}
return ret;
}
bool MDPComp::cacheBasedComp(hwc_context_t *ctx,
hwc_display_contents_1_t* list) {
int numAppLayers = ctx->listStats[mDpy].numAppLayers;
mCurrentFrame.reset(numAppLayers);
updateLayerCache(ctx, list);
//If an MDP marked layer is unsupported cannot do partial MDP Comp
for(int i = 0; i < numAppLayers; i++) {
if(!mCurrentFrame.isFBComposed[i]) {
hwc_layer_1_t* layer = &list->hwLayers[i];
if(not isSupportedForMDPComp(ctx, layer)) {
ALOGD_IF(isDebug(), "%s: Unsupported layer in list",
__FUNCTION__);
return false;
}
}
}
updateYUV(ctx, list);
bool ret = batchLayers(ctx, list); //sets up fbZ also
if(!ret) {
ALOGD_IF(isDebug(),"%s: batching failed, dpy %d",__FUNCTION__, mDpy);
return false;
}
int mdpCount = mCurrentFrame.mdpCount;
//Will benefit cases where a video has non-updating background.
if((mDpy > HWC_DISPLAY_PRIMARY) and
(mdpCount > MAX_SEC_LAYERS)) {
ALOGD_IF(isDebug(), "%s: Exceeds max secondary pipes",__FUNCTION__);
return false;
}
/* XXX: There is some flicker currently seen with partial
* MDP composition on the virtual display.
* Disable UI MDP comp on virtual until it is fixed*/
if(mDpy > HWC_DISPLAY_EXTERNAL) {
return false;
}
if(mdpCount > (sMaxPipesPerMixer - 1)) { // -1 since FB is used
ALOGD_IF(isDebug(), "%s: Exceeds MAX_PIPES_PER_MIXER",__FUNCTION__);
return false;
}
if(!arePipesAvailable(ctx, list)) {
return false;
}
return true;
}
bool MDPComp::loadBasedComp(hwc_context_t *ctx,
hwc_display_contents_1_t* list) {
int numAppLayers = ctx->listStats[mDpy].numAppLayers;
mCurrentFrame.reset(numAppLayers);
//TODO BatchSize could be optimized further based on available pipes, split
//displays etc.
const int batchSize = numAppLayers - (sMaxPipesPerMixer - 1);
if(batchSize <= 0) {
ALOGD_IF(isDebug(), "%s: Not attempting", __FUNCTION__);
return false;
}
int minBatchStart = -1;
size_t minBatchPixelCount = SIZE_MAX;
for(int i = 0; i <= numAppLayers - batchSize; i++) {
uint32_t batchPixelCount = 0;
for(int j = i; j < i + batchSize; j++) {
hwc_layer_1_t* layer = &list->hwLayers[j];
hwc_rect_t crop = integerizeSourceCrop(layer->sourceCropf);
batchPixelCount += (crop.right - crop.left) *
(crop.bottom - crop.top);
}
if(batchPixelCount < minBatchPixelCount) {
minBatchPixelCount = batchPixelCount;
minBatchStart = i;
}
}
if(minBatchStart < 0) {
ALOGD_IF(isDebug(), "%s: No batch found batchSize %d numAppLayers %d",
__FUNCTION__, batchSize, numAppLayers);
return false;
}
for(int i = 0; i < numAppLayers; i++) {
if(i < minBatchStart || i >= minBatchStart + batchSize) {
hwc_layer_1_t* layer = &list->hwLayers[i];
if(not isSupportedForMDPComp(ctx, layer)) {
ALOGD_IF(isDebug(), "%s: MDP unsupported layer found at %d",
__FUNCTION__, i);
return false;
}
mCurrentFrame.isFBComposed[i] = false;
}
}
mCurrentFrame.fbZ = minBatchStart;
mCurrentFrame.fbCount = batchSize;
mCurrentFrame.mdpCount = mCurrentFrame.layerCount - batchSize;
if(!arePipesAvailable(ctx, list)) {
return false;
}
ALOGD_IF(isDebug(), "%s: fbZ %d batchSize %d",
__FUNCTION__, mCurrentFrame.fbZ, batchSize);
return true;
}
bool MDPComp::isLoadBasedCompDoable(hwc_context_t *ctx,
hwc_display_contents_1_t* list) {
if(mDpy or isSecurePresent(ctx, mDpy) or
not (list->flags & HWC_GEOMETRY_CHANGED)) {
return false;
}
return true;
}
bool MDPComp::isOnlyVideoDoable(hwc_context_t *ctx,
hwc_display_contents_1_t* list){
int numAppLayers = ctx->listStats[mDpy].numAppLayers;
mCurrentFrame.reset(numAppLayers);
updateYUV(ctx, list);
int mdpCount = mCurrentFrame.mdpCount;
int fbNeeded = int(mCurrentFrame.fbCount != 0);
if(!isYuvPresent(ctx, mDpy)) {
return false;
}
if(!mdpCount)
return false;
if(mdpCount > (sMaxPipesPerMixer - fbNeeded)) {
ALOGD_IF(isDebug(), "%s: Exceeds MAX_PIPES_PER_MIXER",__FUNCTION__);
return false;
}
if(!arePipesAvailable(ctx, list)) {
return false;
}
int nYuvCount = ctx->listStats[mDpy].yuvCount;
for(int index = 0; index < nYuvCount ; index ++) {
int nYuvIndex = ctx->listStats[mDpy].yuvIndices[index];
hwc_layer_1_t* layer = &list->hwLayers[nYuvIndex];
if(layer->planeAlpha < 0xFF) {
ALOGD_IF(isDebug(), "%s: Cannot handle YUV layer with plane alpha\
in video only mode",
__FUNCTION__);
return false;
}
private_handle_t *hnd = (private_handle_t *)layer->handle;
if(mDpy > HWC_DISPLAY_PRIMARY && isL3SecureBuffer(hnd)) {
return false;
}
}
return true;
}
/* Checks for conditions where YUV layers cannot be bypassed */
bool MDPComp::isYUVDoable(hwc_context_t* ctx, hwc_layer_1_t* layer) {
if(isSkipLayer(layer)) {
ALOGE("%s: Unable to bypass skipped YUV", __FUNCTION__);
return false;
}
if(layer->transform & HWC_TRANSFORM_ROT_90 && !canUseRotator(ctx,mDpy)) {
ALOGD_IF(isDebug(), "%s: no free DMA pipe",__FUNCTION__);
return false;
}
if(isSecuring(ctx, layer)) {
ALOGD_IF(isDebug(), "%s: MDP securing is active", __FUNCTION__);
return false;
}
if(!isValidDimension(ctx, layer)) {
ALOGD_IF(isDebug(), "%s: Buffer is of invalid width",
__FUNCTION__);
return false;
}
return true;
}
bool MDPComp::batchLayers(hwc_context_t *ctx, hwc_display_contents_1_t* list) {
/* Idea is to keep as many contiguous non-updating(cached) layers in FB and
* send rest of them through MDP. NEVER mark an updating layer for caching.
* But cached ones can be marked for MDP*/
int maxBatchStart = -1;
int maxBatchCount = 0;
/* All or Nothing is cached. No batching needed */
if(!mCurrentFrame.fbCount) {
mCurrentFrame.fbZ = -1;
return true;
}
if(!mCurrentFrame.mdpCount) {
mCurrentFrame.fbZ = 0;
return true;
}
/* Search for max number of contiguous (cached) layers */
int i = 0;
while (i < mCurrentFrame.layerCount) {
int count = 0;
while(mCurrentFrame.isFBComposed[i] && i < mCurrentFrame.layerCount) {
count++; i++;
}
if(count > maxBatchCount) {
maxBatchCount = count;
maxBatchStart = i - count;
mCurrentFrame.fbZ = maxBatchStart;
}
if(i < mCurrentFrame.layerCount) i++;
}
/* reset rest of the layers for MDP comp */
for(int i = 0; i < mCurrentFrame.layerCount; i++) {
hwc_layer_1_t* layer = &list->hwLayers[i];
if(i != maxBatchStart) {
//If an unsupported layer is being attempted to be pulled out we
//should fail
if(not isSupportedForMDPComp(ctx, layer)) {
return false;
}
mCurrentFrame.isFBComposed[i] = false;
} else {
i += maxBatchCount;
}
}
mCurrentFrame.fbCount = maxBatchCount;
mCurrentFrame.mdpCount = mCurrentFrame.layerCount -
mCurrentFrame.fbCount;
ALOGD_IF(isDebug(),"%s: cached count: %d",__FUNCTION__,
mCurrentFrame.fbCount);
return true;
}
void MDPComp::updateLayerCache(hwc_context_t* ctx,
hwc_display_contents_1_t* list) {
int numAppLayers = ctx->listStats[mDpy].numAppLayers;
int fbCount = 0;
for(int i = 0; i < numAppLayers; i++) {
hwc_layer_1_t* layer = &list->hwLayers[i];
if (mCachedFrame.hnd[i] == list->hwLayers[i].handle) {
fbCount++;
mCurrentFrame.isFBComposed[i] = true;
} else {
mCurrentFrame.isFBComposed[i] = false;
mCachedFrame.hnd[i] = list->hwLayers[i].handle;
}
}
mCurrentFrame.fbCount = fbCount;
mCurrentFrame.mdpCount = mCurrentFrame.layerCount - mCurrentFrame.fbCount;
ALOGD_IF(isDebug(),"%s: MDP count: %d FB count %d",__FUNCTION__,
mCurrentFrame.mdpCount, mCurrentFrame.fbCount);
}
void MDPComp::updateYUV(hwc_context_t* ctx, hwc_display_contents_1_t* list) {
int nYuvCount = ctx->listStats[mDpy].yuvCount;
for(int index = 0;index < nYuvCount; index++){
int nYuvIndex = ctx->listStats[mDpy].yuvIndices[index];
hwc_layer_1_t* layer = &list->hwLayers[nYuvIndex];
if(!isYUVDoable(ctx, layer)) {
if(!mCurrentFrame.isFBComposed[nYuvIndex]) {
mCurrentFrame.isFBComposed[nYuvIndex] = true;
mCurrentFrame.fbCount++;
}
} else {
if(mCurrentFrame.isFBComposed[nYuvIndex]) {
mCurrentFrame.isFBComposed[nYuvIndex] = false;
mCurrentFrame.fbCount--;
}
}
}
mCurrentFrame.mdpCount = mCurrentFrame.layerCount -
mCurrentFrame.fbCount;
ALOGD_IF(isDebug(),"%s: cached count: %d",__FUNCTION__,
mCurrentFrame.fbCount);
}
bool MDPComp::programMDP(hwc_context_t *ctx, hwc_display_contents_1_t* list) {
if(!allocLayerPipes(ctx, list)) {
ALOGD_IF(isDebug(), "%s: Unable to allocate MDP pipes", __FUNCTION__);
return false;
}
bool fbBatch = false;
for (int index = 0, mdpNextZOrder = 0; index < mCurrentFrame.layerCount;
index++) {
if(!mCurrentFrame.isFBComposed[index]) {
int mdpIndex = mCurrentFrame.layerToMDP[index];
hwc_layer_1_t* layer = &list->hwLayers[index];
MdpPipeInfo* cur_pipe = mCurrentFrame.mdpToLayer[mdpIndex].pipeInfo;
cur_pipe->zOrder = mdpNextZOrder++;
if(configure(ctx, layer, mCurrentFrame.mdpToLayer[mdpIndex]) != 0 ){
ALOGD_IF(isDebug(), "%s: Failed to configure overlay for \
layer %d",__FUNCTION__, index);
return false;
}
} else if(fbBatch == false) {
mdpNextZOrder++;
fbBatch = true;
}
}
return true;
}
bool MDPComp::programYUV(hwc_context_t *ctx, hwc_display_contents_1_t* list) {
if(!allocLayerPipes(ctx, list)) {
ALOGD_IF(isDebug(), "%s: Unable to allocate MDP pipes", __FUNCTION__);
return false;
}
//If we are in this block, it means we have yuv + rgb layers both
int mdpIdx = 0;
for (int index = 0; index < mCurrentFrame.layerCount; index++) {
if(!mCurrentFrame.isFBComposed[index]) {
hwc_layer_1_t* layer = &list->hwLayers[index];
int mdpIndex = mCurrentFrame.layerToMDP[index];
MdpPipeInfo* cur_pipe =
mCurrentFrame.mdpToLayer[mdpIndex].pipeInfo;
cur_pipe->zOrder = mdpIdx++;
if(configure(ctx, layer,
mCurrentFrame.mdpToLayer[mdpIndex]) != 0 ){
ALOGD_IF(isDebug(), "%s: Failed to configure overlay for \
layer %d",__FUNCTION__, index);
return false;
}
}
}
return true;
}
int MDPComp::prepare(hwc_context_t *ctx, hwc_display_contents_1_t* list) {
const int numLayers = ctx->listStats[mDpy].numAppLayers;
//reset old data
mCurrentFrame.reset(numLayers);
//number of app layers exceeds MAX_NUM_APP_LAYERS fall back to GPU
//do not cache the information for next draw cycle.
if(numLayers > MAX_NUM_APP_LAYERS) {
mCachedFrame.updateCounts(mCurrentFrame);
ALOGD_IF(isDebug(), "%s: Number of App layers exceeded the limit ",
__FUNCTION__);
return -1;
}
//Hard conditions, if not met, cannot do MDP comp
if(!isFrameDoable(ctx)) {
ALOGD_IF( isDebug(),"%s: MDP Comp not possible for this frame",
__FUNCTION__);
reset(numLayers, list);
return -1;
}
//Check whether layers marked for MDP Composition is actually doable.
if(isFullFrameDoable(ctx, list)) {
mCurrentFrame.map();
//Configure framebuffer first if applicable
if(mCurrentFrame.fbZ >= 0) {
if(!ctx->mFBUpdate[mDpy]->prepare(ctx, list,
mCurrentFrame.fbZ)) {
ALOGE("%s configure framebuffer failed", __func__);
reset(numLayers, list);
return -1;
}
}
//Acquire and Program MDP pipes
if(!programMDP(ctx, list)) {
reset(numLayers, list);
return -1;
} else { //Success
//Any change in composition types needs an FB refresh
mCurrentFrame.needsRedraw = false;
if(mCurrentFrame.fbCount &&
((mCurrentFrame.mdpCount != mCachedFrame.mdpCount) ||
(mCurrentFrame.fbCount != mCachedFrame.fbCount) ||
(mCurrentFrame.fbZ != mCachedFrame.fbZ) ||
(!mCurrentFrame.mdpCount) ||
(list->flags & HWC_GEOMETRY_CHANGED) ||
isSkipPresent(ctx, mDpy))) {
mCurrentFrame.needsRedraw = true;
}
}
} else if(isOnlyVideoDoable(ctx, list)) {
//All layers marked for MDP comp cannot be bypassed.
//Try to compose atleast YUV layers through MDP comp and let
//all the RGB layers compose in FB
//Destination over
mCurrentFrame.fbZ = -1;
if(mCurrentFrame.fbCount)
mCurrentFrame.fbZ = mCurrentFrame.mdpCount;
mCurrentFrame.map();
//Configure framebuffer first if applicable
if(mCurrentFrame.fbZ >= 0) {
if(!ctx->mFBUpdate[mDpy]->prepare(ctx, list, mCurrentFrame.fbZ)) {
ALOGE("%s configure framebuffer failed", __func__);
reset(numLayers, list);
return -1;
}
}
if(!programYUV(ctx, list)) {
reset(numLayers, list);
return -1;
}
} else {
reset(numLayers, list);
return -1;
}
//UpdateLayerFlags
setMDPCompLayerFlags(ctx, list);
mCachedFrame.updateCounts(mCurrentFrame);
// unlock it before calling dump function to avoid deadlock
if(isDebug()) {
ALOGD("GEOMETRY change: %d", (list->flags & HWC_GEOMETRY_CHANGED));
android::String8 sDump("");
dump(sDump);
ALOGE("%s",sDump.string());
}
return 0;
}
//=============MDPCompLowRes===================================================
/*
* Configures pipe(s) for MDP composition
*/
int MDPCompLowRes::configure(hwc_context_t *ctx, hwc_layer_1_t *layer,
PipeLayerPair& PipeLayerPair) {
MdpPipeInfoLowRes& mdp_info =
*(static_cast<MdpPipeInfoLowRes*>(PipeLayerPair.pipeInfo));
eMdpFlags mdpFlags = OV_MDP_BACKEND_COMPOSITION;
eZorder zOrder = static_cast<eZorder>(mdp_info.zOrder);
eIsFg isFg = IS_FG_OFF;
eDest dest = mdp_info.index;
ALOGD_IF(isDebug(),"%s: configuring: layer: %p z_order: %d dest_pipe: %d",
__FUNCTION__, layer, zOrder, dest);
return configureLowRes(ctx, layer, mDpy, mdpFlags, zOrder, isFg, dest,
&PipeLayerPair.rot);
}
bool MDPCompLowRes::arePipesAvailable(hwc_context_t *ctx,
hwc_display_contents_1_t* list) {
overlay::Overlay& ov = *ctx->mOverlay;
int numPipesNeeded = mCurrentFrame.mdpCount;
int availPipes = ov.availablePipes(mDpy, Overlay::MIXER_DEFAULT);
//Reserve pipe for FB
if(mCurrentFrame.fbCount)
availPipes -= 1;
if(numPipesNeeded > availPipes) {
ALOGD_IF(isDebug(), "%s: Insufficient pipes, dpy %d needed %d, avail %d",
__FUNCTION__, mDpy, numPipesNeeded, availPipes);
return false;
}
return true;
}
bool MDPCompLowRes::allocLayerPipes(hwc_context_t *ctx,
hwc_display_contents_1_t* list) {
for(int index = 0; index < mCurrentFrame.layerCount; index++) {
if(mCurrentFrame.isFBComposed[index]) continue;
hwc_layer_1_t* layer = &list->hwLayers[index];
private_handle_t *hnd = (private_handle_t *)layer->handle;
int mdpIndex = mCurrentFrame.layerToMDP[index];
PipeLayerPair& info = mCurrentFrame.mdpToLayer[mdpIndex];
info.pipeInfo = new MdpPipeInfoLowRes;
info.rot = NULL;
MdpPipeInfoLowRes& pipe_info = *(MdpPipeInfoLowRes*)info.pipeInfo;
ePipeType type = MDPCOMP_OV_ANY;
if(isYuvBuffer(hnd)) {
type = MDPCOMP_OV_VG;
} else if(!qhwc::needsScaling(ctx, layer, mDpy)
&& Overlay::getDMAMode() != Overlay::DMA_BLOCK_MODE
&& ctx->mMDP.version >= qdutils::MDSS_V5) {
type = MDPCOMP_OV_DMA;
}
pipe_info.index = getMdpPipe(ctx, type, Overlay::MIXER_DEFAULT);
if(pipe_info.index == ovutils::OV_INVALID) {
ALOGD_IF(isDebug(), "%s: Unable to get pipe type = %d",
__FUNCTION__, (int) type);
return false;
}
}
return true;
}
bool MDPCompLowRes::draw(hwc_context_t *ctx, hwc_display_contents_1_t* list) {
if(!isEnabled()) {
ALOGD_IF(isDebug(),"%s: MDP Comp not configured", __FUNCTION__);
return true;
}
if(!ctx || !list) {
ALOGE("%s: invalid contxt or list",__FUNCTION__);
return false;
}
if(ctx->listStats[mDpy].numAppLayers > MAX_NUM_APP_LAYERS) {
ALOGD_IF(isDebug(),"%s: Exceeding max layer count", __FUNCTION__);
return true;
}
/* reset Invalidator */
if(idleInvalidator && !sIdleFallBack && mCurrentFrame.mdpCount)
idleInvalidator->markForSleep();
overlay::Overlay& ov = *ctx->mOverlay;
LayerProp *layerProp = ctx->layerProp[mDpy];
int numHwLayers = ctx->listStats[mDpy].numAppLayers;
for(int i = 0; i < numHwLayers && mCurrentFrame.mdpCount; i++ )
{
if(mCurrentFrame.isFBComposed[i]) continue;
hwc_layer_1_t *layer = &list->hwLayers[i];
private_handle_t *hnd = (private_handle_t *)layer->handle;
if(!hnd) {
ALOGE("%s handle null", __FUNCTION__);
return false;
}
int mdpIndex = mCurrentFrame.layerToMDP[i];
MdpPipeInfoLowRes& pipe_info =
*(MdpPipeInfoLowRes*)mCurrentFrame.mdpToLayer[mdpIndex].pipeInfo;
ovutils::eDest dest = pipe_info.index;
if(dest == ovutils::OV_INVALID) {
ALOGE("%s: Invalid pipe index (%d)", __FUNCTION__, dest);
return false;
}
if(!(layerProp[i].mFlags & HWC_MDPCOMP)) {
continue;
}
ALOGD_IF(isDebug(),"%s: MDP Comp: Drawing layer: %p hnd: %p \
using pipe: %d", __FUNCTION__, layer,
hnd, dest );
int fd = hnd->fd;
uint32_t offset = hnd->offset;
if(ctx->mAD->isModeOn()) {
if(ctx->mAD->draw(ctx, fd, offset)) {
fd = ctx->mAD->getDstFd(ctx);
offset = ctx->mAD->getDstOffset(ctx);
}
}
Rotator *rot = mCurrentFrame.mdpToLayer[mdpIndex].rot;
if(rot) {
if(!rot->queueBuffer(fd, offset))
return false;
fd = rot->getDstMemId();
offset = rot->getDstOffset();
}
if (!ov.queueBuffer(fd, offset, dest)) {
ALOGE("%s: queueBuffer failed for display:%d ", __FUNCTION__, mDpy);
return false;
}
layerProp[i].mFlags &= ~HWC_MDPCOMP;
}
return true;
}
//=============MDPCompHighRes===================================================
int MDPCompHighRes::pipesNeeded(hwc_context_t *ctx,
hwc_display_contents_1_t* list,
int mixer) {
int pipesNeeded = 0;
const int xres = ctx->dpyAttr[mDpy].xres;
const int lSplit = getLeftSplit(ctx, mDpy);
for(int i = 0; i < mCurrentFrame.layerCount; ++i) {
if(!mCurrentFrame.isFBComposed[i]) {
hwc_layer_1_t* layer = &list->hwLayers[i];
hwc_rect_t dst = layer->displayFrame;
if(mixer == Overlay::MIXER_LEFT && dst.left < lSplit) {
pipesNeeded++;
} else if(mixer == Overlay::MIXER_RIGHT && dst.right > lSplit) {
pipesNeeded++;
}
}
}
return pipesNeeded;
}
bool MDPCompHighRes::arePipesAvailable(hwc_context_t *ctx,
hwc_display_contents_1_t* list) {
overlay::Overlay& ov = *ctx->mOverlay;
for(int i = 0; i < Overlay::MIXER_MAX; i++) {
int numPipesNeeded = pipesNeeded(ctx, list, i);
int availPipes = ov.availablePipes(mDpy, i);
//Reserve pipe(s)for FB
if(mCurrentFrame.fbCount)
availPipes -= 1;
if(numPipesNeeded > availPipes) {
ALOGD_IF(isDebug(), "%s: Insufficient pipes for "
"dpy %d mixer %d needed %d, avail %d",
__FUNCTION__, mDpy, i, numPipesNeeded, availPipes);
return false;
}
}
return true;
}
bool MDPCompHighRes::acquireMDPPipes(hwc_context_t *ctx, hwc_layer_1_t* layer,
MdpPipeInfoHighRes& pipe_info,
ePipeType type) {
const int xres = ctx->dpyAttr[mDpy].xres;
const int lSplit = getLeftSplit(ctx, mDpy);
hwc_rect_t dst = layer->displayFrame;
pipe_info.lIndex = ovutils::OV_INVALID;
pipe_info.rIndex = ovutils::OV_INVALID;
if (dst.left < lSplit) {
pipe_info.lIndex = getMdpPipe(ctx, type, Overlay::MIXER_LEFT);
if(pipe_info.lIndex == ovutils::OV_INVALID)
return false;
}
if(dst.right > lSplit) {
pipe_info.rIndex = getMdpPipe(ctx, type, Overlay::MIXER_RIGHT);
if(pipe_info.rIndex == ovutils::OV_INVALID)
return false;
}
return true;
}
bool MDPCompHighRes::allocLayerPipes(hwc_context_t *ctx,
hwc_display_contents_1_t* list) {
for(int index = 0 ; index < mCurrentFrame.layerCount; index++) {
if(mCurrentFrame.isFBComposed[index]) continue;
hwc_layer_1_t* layer = &list->hwLayers[index];
private_handle_t *hnd = (private_handle_t *)layer->handle;
int mdpIndex = mCurrentFrame.layerToMDP[index];
PipeLayerPair& info = mCurrentFrame.mdpToLayer[mdpIndex];
info.pipeInfo = new MdpPipeInfoHighRes;
info.rot = NULL;
MdpPipeInfoHighRes& pipe_info = *(MdpPipeInfoHighRes*)info.pipeInfo;
ePipeType type = MDPCOMP_OV_ANY;
if(isYuvBuffer(hnd)) {
type = MDPCOMP_OV_VG;
} else if(!qhwc::needsScaling(ctx, layer, mDpy)
&& Overlay::getDMAMode() != Overlay::DMA_BLOCK_MODE
&& ctx->mMDP.version >= qdutils::MDSS_V5) {
type = MDPCOMP_OV_DMA;
}
if(!acquireMDPPipes(ctx, layer, pipe_info, type)) {
ALOGD_IF(isDebug(), "%s: Unable to get pipe for type = %d",
__FUNCTION__, (int) type);
return false;
}
}
return true;
}
/*
* Configures pipe(s) for MDP composition
*/
int MDPCompHighRes::configure(hwc_context_t *ctx, hwc_layer_1_t *layer,
PipeLayerPair& PipeLayerPair) {
MdpPipeInfoHighRes& mdp_info =
*(static_cast<MdpPipeInfoHighRes*>(PipeLayerPair.pipeInfo));
eZorder zOrder = static_cast<eZorder>(mdp_info.zOrder);
eIsFg isFg = IS_FG_OFF;
eMdpFlags mdpFlagsL = OV_MDP_BACKEND_COMPOSITION;
eDest lDest = mdp_info.lIndex;
eDest rDest = mdp_info.rIndex;
ALOGD_IF(isDebug(),"%s: configuring: layer: %p z_order: %d dest_pipeL: %d"
"dest_pipeR: %d",__FUNCTION__, layer, zOrder, lDest, rDest);
return configureHighRes(ctx, layer, mDpy, mdpFlagsL, zOrder, isFg, lDest,
rDest, &PipeLayerPair.rot);
}
bool MDPCompHighRes::draw(hwc_context_t *ctx, hwc_display_contents_1_t* list) {
if(!isEnabled()) {
ALOGD_IF(isDebug(),"%s: MDP Comp not configured", __FUNCTION__);
return true;
}
if(!ctx || !list) {
ALOGE("%s: invalid contxt or list",__FUNCTION__);
return false;
}
if(ctx->listStats[mDpy].numAppLayers > MAX_NUM_APP_LAYERS) {
ALOGD_IF(isDebug(),"%s: Exceeding max layer count", __FUNCTION__);
return true;
}
/* reset Invalidator */
if(idleInvalidator && !sIdleFallBack && mCurrentFrame.mdpCount)
idleInvalidator->markForSleep();
overlay::Overlay& ov = *ctx->mOverlay;
LayerProp *layerProp = ctx->layerProp[mDpy];
int numHwLayers = ctx->listStats[mDpy].numAppLayers;
for(int i = 0; i < numHwLayers && mCurrentFrame.mdpCount; i++ )
{
if(mCurrentFrame.isFBComposed[i]) continue;
hwc_layer_1_t *layer = &list->hwLayers[i];
private_handle_t *hnd = (private_handle_t *)layer->handle;
if(!hnd) {
ALOGE("%s handle null", __FUNCTION__);
return false;
}
if(!(layerProp[i].mFlags & HWC_MDPCOMP)) {
continue;
}
int mdpIndex = mCurrentFrame.layerToMDP[i];
MdpPipeInfoHighRes& pipe_info =
*(MdpPipeInfoHighRes*)mCurrentFrame.mdpToLayer[mdpIndex].pipeInfo;
Rotator *rot = mCurrentFrame.mdpToLayer[mdpIndex].rot;
ovutils::eDest indexL = pipe_info.lIndex;
ovutils::eDest indexR = pipe_info.rIndex;
int fd = hnd->fd;
int offset = hnd->offset;
if(ctx->mAD->isModeOn()) {
if(ctx->mAD->draw(ctx, fd, offset)) {
fd = ctx->mAD->getDstFd(ctx);
offset = ctx->mAD->getDstOffset(ctx);
}
}
if(rot) {
rot->queueBuffer(fd, offset);
fd = rot->getDstMemId();
offset = rot->getDstOffset();
}
//************* play left mixer **********
if(indexL != ovutils::OV_INVALID) {
ovutils::eDest destL = (ovutils::eDest)indexL;
ALOGD_IF(isDebug(),"%s: MDP Comp: Drawing layer: %p hnd: %p \
using pipe: %d", __FUNCTION__, layer, hnd, indexL );
if (!ov.queueBuffer(fd, offset, destL)) {
ALOGE("%s: queueBuffer failed for left mixer", __FUNCTION__);
return false;
}
}
//************* play right mixer **********
if(indexR != ovutils::OV_INVALID) {
ovutils::eDest destR = (ovutils::eDest)indexR;
ALOGD_IF(isDebug(),"%s: MDP Comp: Drawing layer: %p hnd: %p \
using pipe: %d", __FUNCTION__, layer, hnd, indexR );
if (!ov.queueBuffer(fd, offset, destR)) {
ALOGE("%s: queueBuffer failed for right mixer", __FUNCTION__);
return false;
}
}
layerProp[i].mFlags &= ~HWC_MDPCOMP;
}
return true;
}
}; //namespace