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-rw-r--r--msm8909/liboverlay/overlayMdssRot.cpp430
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diff --git a/msm8909/liboverlay/overlayMdssRot.cpp b/msm8909/liboverlay/overlayMdssRot.cpp
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--- a/msm8909/liboverlay/overlayMdssRot.cpp
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-/*
- * Copyright (C) 2008 The Android Open Source Project
- * Copyright (c) 2010-2014, 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.
-*/
-
-#include <math.h>
-#include "overlayUtils.h"
-#include "overlayRotator.h"
-
-#define DEBUG_MDSS_ROT 0
-
-#ifdef VENUS_COLOR_FORMAT
-#include <media/msm_media_info.h>
-#else
-#define VENUS_BUFFER_SIZE(args...) 0
-#endif
-
-#ifndef MDSS_MDP_ROT_ONLY
-#define MDSS_MDP_ROT_ONLY 0x80
-#endif
-
-#define MDSS_ROT_MASK (MDP_ROT_90 | MDP_FLIP_UD | MDP_FLIP_LR)
-
-namespace ovutils = overlay::utils;
-
-namespace overlay {
-using namespace utils;
-
-MdssRot::MdssRot() {
- reset();
- init();
-}
-
-MdssRot::~MdssRot() { close(); }
-
-bool MdssRot::enabled() const { return mEnabled; }
-
-void MdssRot::setRotations(uint32_t flags) { mRotInfo.flags |= flags; }
-
-int MdssRot::getSrcMemId() const {
- return mRotData.data.memory_id;
-}
-
-int MdssRot::getDstMemId() const {
- return mRotData.dst_data.memory_id;
-}
-
-uint32_t MdssRot::getSrcOffset() const {
- return mRotData.data.offset;
-}
-
-uint32_t MdssRot::getDstOffset() const {
- return mRotData.dst_data.offset;
-}
-
-uint32_t MdssRot::getDstFormat() const {
- //For mdss src and dst formats are same
- return mRotInfo.src.format;
-}
-
-utils::Whf MdssRot::getDstWhf() const {
- //For Mdss dst_rect itself represents buffer dimensions. We ignore actual
- //aligned values during buffer allocation. Also the driver overwrites the
- //src.format field if destination format is different.
- //This implementation detail makes it possible to retrieve w,h even before
- //buffer allocation, which happens in queueBuffer.
- return utils::Whf(mRotInfo.dst_rect.w, mRotInfo.dst_rect.h,
- mRotInfo.src.format);
-}
-
-utils::Dim MdssRot::getDstDimensions() const {
- return utils::Dim(mRotInfo.dst_rect.x, mRotInfo.dst_rect.y,
- mRotInfo.dst_rect.w, mRotInfo.dst_rect.h);
-}
-
-uint32_t MdssRot::getSessId() const { return mRotInfo.id; }
-
-void MdssRot::save() {
- mLSRotInfo = mRotInfo;
-}
-
-bool MdssRot::rotConfChanged() const {
- // 0 means same
- if(0 == ::memcmp(&mRotInfo, &mLSRotInfo,
- sizeof (mdp_overlay))) {
- return false;
- }
- return true;
-}
-
-bool MdssRot::init() {
- if(!utils::openDev(mFd, 0, Res::fbPath, O_RDWR)) {
- ALOGE("MdssRot failed to init fb0");
- return false;
- }
- return true;
-}
-
-void MdssRot::setSource(const overlay::utils::Whf& awhf) {
- utils::Whf whf(awhf);
-
- mRotInfo.src.format = whf.format;
- mRotInfo.src.width = whf.w;
- mRotInfo.src.height = whf.h;
-}
-
-void MdssRot::setCrop(const utils::Dim& crop) {
- mRotInfo.src_rect.x = crop.x;
- mRotInfo.src_rect.y = crop.y;
- mRotInfo.src_rect.w = crop.w;
- mRotInfo.src_rect.h = crop.h;
-}
-
-void MdssRot::setDownscale(int downscale) {
- mDownscale = downscale;
-}
-
-void MdssRot::setFlags(const utils::eMdpFlags& flags) {
- mRotInfo.flags = flags;
-}
-
-void MdssRot::setTransform(const utils::eTransform& rot)
-{
- // reset rotation flags to avoid stale orientation values
- mRotInfo.flags &= ~MDSS_ROT_MASK;
- int flags = utils::getMdpOrient(rot);
- if (flags != -1)
- setRotations(flags);
- mOrientation = static_cast<utils::eTransform>(flags);
- ALOGE_IF(DEBUG_OVERLAY, "%s: rot=%d", __FUNCTION__, flags);
-}
-
-void MdssRot::doTransform() {
- mRotInfo.flags |= mOrientation;
- if(mOrientation & utils::OVERLAY_TRANSFORM_ROT_90)
- utils::swap(mRotInfo.dst_rect.w, mRotInfo.dst_rect.h);
-}
-
-bool MdssRot::commit() {
- Dim adjCrop(mRotInfo.src_rect.x,mRotInfo.src_rect.y,
- mRotInfo.src_rect.w,mRotInfo.src_rect.h);
- adjCrop = getFormatAdjustedCrop(adjCrop, mRotInfo.src.format,
- mRotInfo.flags & utils::OV_MDP_DEINTERLACE);
- adjCrop = getDownscaleAdjustedCrop(adjCrop, mDownscale);
-
- mRotInfo.src_rect.x = adjCrop.x;
- mRotInfo.src_rect.y = adjCrop.y;
- mRotInfo.src_rect.w = adjCrop.w;
- mRotInfo.src_rect.h = adjCrop.h;
-
- mRotInfo.dst_rect.x = 0;
- mRotInfo.dst_rect.y = 0;
- mRotInfo.dst_rect.w = mDownscale ?
- mRotInfo.src_rect.w / mDownscale : mRotInfo.src_rect.w;
- mRotInfo.dst_rect.h = mDownscale ?
- mRotInfo.src_rect.h / mDownscale : mRotInfo.src_rect.h;
- //Clear for next round
- mDownscale = 0;
-
- doTransform();
-
- mRotInfo.flags |= MDSS_MDP_ROT_ONLY;
- mEnabled = true;
- if(!overlay::mdp_wrapper::setOverlay(mFd.getFD(), mRotInfo)) {
- ALOGE("MdssRot commit failed!");
- dump();
- return (mEnabled = false);
- }
- mRotData.id = mRotInfo.id;
- return true;
-}
-
-bool MdssRot::queueBuffer(int fd, uint32_t offset) {
- if(enabled() and (not isRotCached(fd,offset))) {
- int prev_fd = getSrcMemId();
- uint32_t prev_offset = getSrcOffset();
-
- mRotData.data.memory_id = fd;
- mRotData.data.offset = offset;
-
- if(false == remap(RotMem::ROT_NUM_BUFS)) {
- ALOGE("%s Remap failed, not queuing", __FUNCTION__);
- return false;
- }
-
- mRotData.dst_data.offset =
- mMem.mRotOffset[mMem.mCurrIndex];
-
- if(!overlay::mdp_wrapper::play(mFd.getFD(), mRotData)) {
- ALOGE("MdssRot play failed!");
- dump();
- mRotData.data.memory_id = prev_fd;
- mRotData.data.offset = prev_offset;
- return false;
- }
- save();
- mMem.mCurrIndex =
- (mMem.mCurrIndex + 1) % mMem.mem.numBufs();
- }
- return true;
-}
-
-bool MdssRot::open_i(uint32_t numbufs, uint32_t bufsz)
-{
- OvMem mem;
- OVASSERT(MAP_FAILED == mem.addr(), "MAP failed in open_i");
- bool isSecure = mRotInfo.flags & utils::OV_MDP_SECURE_OVERLAY_SESSION;
-
- if(!mem.open(numbufs, bufsz, isSecure)){
- ALOGE("%s: Failed to open", __func__);
- mem.close();
- return false;
- }
-
- OVASSERT(MAP_FAILED != mem.addr(), "MAP failed");
- OVASSERT(mem.getFD() != -1, "getFd is -1");
-
- mRotData.dst_data.memory_id = mem.getFD();
- mRotData.dst_data.offset = 0;
- mMem.mem = mem;
- return true;
-}
-
-bool MdssRot::remap(uint32_t numbufs) {
- // Calculate the size based on rotator's dst format, w and h.
- uint32_t opBufSize = calcOutputBufSize();
- // If current size changed, remap
- if(opBufSize == mMem.size()) {
- ALOGE_IF(DEBUG_OVERLAY, "%s: same size %d", __FUNCTION__, opBufSize);
- return true;
- }
-
- ALOGE_IF(DEBUG_OVERLAY, "%s: size changed - remapping", __FUNCTION__);
-
- if(!mMem.close()) {
- ALOGE("%s error in closing prev rot mem", __FUNCTION__);
- return false;
- }
-
- if(!open_i(numbufs, opBufSize)) {
- ALOGE("%s Error could not open", __FUNCTION__);
- return false;
- }
-
- for (uint32_t i = 0; i < numbufs; ++i) {
- mMem.mRotOffset[i] = i * opBufSize;
- }
-
- return true;
-}
-
-bool MdssRot::close() {
- bool success = true;
- if(mFd.valid() && (getSessId() != (uint32_t) MSMFB_NEW_REQUEST)) {
- if(!mdp_wrapper::unsetOverlay(mFd.getFD(), getSessId())) {
- ALOGE("MdssRot::close unsetOverlay failed, fd=%d sessId=%d",
- mFd.getFD(), getSessId());
- success = false;
- }
- }
-
- if (!mFd.close()) {
- ALOGE("Mdss Rot error closing fd");
- success = false;
- }
- if (!mMem.close()) {
- ALOGE("Mdss Rot error closing mem");
- success = false;
- }
- reset();
- return success;
-}
-
-void MdssRot::reset() {
- ovutils::memset0(mRotInfo);
- ovutils::memset0(mLSRotInfo);
- ovutils::memset0(mRotData);
- mRotData.data.memory_id = -1;
- mRotInfo.id = MSMFB_NEW_REQUEST;
- ovutils::memset0(mMem.mRotOffset);
- mMem.mCurrIndex = 0;
- mOrientation = utils::OVERLAY_TRANSFORM_0;
- mDownscale = 0;
-}
-
-void MdssRot::dump() const {
- ALOGE("== Dump MdssRot start ==");
- mFd.dump();
- mMem.mem.dump();
- mdp_wrapper::dump("mRotInfo", mRotInfo);
- mdp_wrapper::dump("mRotData", mRotData);
- ALOGE("== Dump MdssRot end ==");
-}
-
-uint32_t MdssRot::calcOutputBufSize() {
- uint32_t opBufSize = 0;
- ovutils::Whf destWhf(mRotInfo.dst_rect.w, mRotInfo.dst_rect.h,
- mRotInfo.src.format); //mdss src and dst formats are same.
-
- if (mRotInfo.flags & ovutils::OV_MDSS_MDP_BWC_EN) {
- opBufSize = calcCompressedBufSize(destWhf);
- } else {
- opBufSize = Rotator::calcOutputBufSize(destWhf);
- }
-
- return opBufSize;
-}
-
-void MdssRot::getDump(char *buf, size_t len) const {
- ovutils::getDump(buf, len, "MdssRotCtrl", mRotInfo);
- ovutils::getDump(buf, len, "MdssRotData", mRotData);
-}
-
-// Calculate the compressed o/p buffer size for BWC
-uint32_t MdssRot::calcCompressedBufSize(const ovutils::Whf& destWhf) {
- uint32_t bufSize = 0;
- //Worst case alignments
- int aWidth = ovutils::align(destWhf.w, 64);
- int aHeight = ovutils::align(destWhf.h, 4);
- /*
- Format | RAU size (width x height)
- ----------------------------------------------
- ARGB | 32 pixel x 4 line
- RGB888 | 32 pixel x 4 line
- Y (Luma) | 64 pixel x 4 line
- CRCB 420 | 32 pixel x 2 line
- CRCB 422 H2V1 | 32 pixel x 4 line
- CRCB 422 H1V2 | 64 pixel x 2 line
-
- Metadata requirements:-
- 1 byte meta data for every 8 RAUs
- 2 byte meta data per RAU
- */
-
- //These blocks attempt to allocate for the worst case in each of the
- //respective format classes, yuv/rgb. The table above is for reference
- if(utils::isYuv(destWhf.format)) {
- int yRauCount = aWidth / 64; //Y
- int cRauCount = aWidth / 32; //C
- int yStride = (64 * 4 * yRauCount) + alignup(yRauCount, 8) / 8;
- int cStride = ((32 * 2 * cRauCount) + alignup(cRauCount, 8) / 8) * 2;
- int yStrideOffset = (aHeight / 4);
- int cStrideOffset = (aHeight / 2);
- bufSize = (yStride * yStrideOffset + cStride * cStrideOffset) +
- (yRauCount * yStrideOffset * 2) +
- (cRauCount * cStrideOffset * 2) * 2;
- ALOGD_IF(DEBUG_MDSS_ROT, "%s:YUV Y RAU Count = %d C RAU Count = %d",
- __FUNCTION__, yRauCount, cRauCount);
- } else {
- int rauCount = aWidth / 32;
- //Single plane
- int stride = (32 * 4 * rauCount) + alignup(rauCount, 8) / 8;
- int strideOffset = (aHeight / 4);
- bufSize = (stride * strideOffset * 4 /*bpp*/) +
- (rauCount * strideOffset * 2);
- ALOGD_IF(DEBUG_MDSS_ROT, "%s:RGB RAU count = %d", __FUNCTION__,
- rauCount);
- }
-
- ALOGD_IF(DEBUG_MDSS_ROT, "%s: aligned width = %d, aligned height = %d "
- "Buf Size = %d", __FUNCTION__, aWidth, aHeight, bufSize);
-
- return bufSize;
-}
-
-int MdssRot::getDownscaleFactor(const int& srcW, const int& srcH,
- const int& dstW, const int& dstH, const uint32_t& mdpFormat,
- const bool& isInterlaced) {
- if(not srcW or not srcH or not dstW or not dstH or isInterlaced) return 0;
-
- Dim crop(0, 0, srcW, srcH);
- Dim adjCrop = getFormatAdjustedCrop(crop, mdpFormat,
- false /*isInterlaced */);
-
- uint32_t downscale = min((adjCrop.w / dstW), (adjCrop.h / dstH));
- //Reduced to a power of 2
- downscale = (uint32_t) powf(2.0f, floorf(log2f((float)downscale)));
-
- if(downscale < 2 or downscale > 32) return 0;
-
- //Allow only 1 line or pixel to be chopped off since the source needs to
- //be aligned to downscale. Progressively try with smaller downscale to see
- //if we can satisfy the threshold
- //For YUV the loop shouldnt be needed, unless in exceptional cases
- Dim dsAdjCrop = getDownscaleAdjustedCrop(adjCrop, downscale);
- while(downscale > 2 and (adjCrop.w > dsAdjCrop.w or
- adjCrop.h > dsAdjCrop.h)) {
- downscale /= 2;
- dsAdjCrop = getDownscaleAdjustedCrop(adjCrop, downscale);
- }
-
- if(not dsAdjCrop.w or not dsAdjCrop.h) return 0;
- return downscale;
-}
-
-Dim MdssRot::getFormatAdjustedCrop(const Dim& crop,
- const uint32_t& mdpFormat, const bool& isInterlaced) {
- Dim adjCrop = crop;
- if (isYuv(mdpFormat)) {
- normalizeCrop(adjCrop.x, adjCrop.w);
- normalizeCrop(adjCrop.y, adjCrop.h);
- // For interlaced, crop.h should be 4-aligned
- if (isInterlaced and (adjCrop.h % 4))
- adjCrop.h = aligndown(adjCrop.h, 4);
- }
- return adjCrop;
-}
-
-Dim MdssRot::getDownscaleAdjustedCrop(const Dim& crop,
- const uint32_t& downscale) {
- uint32_t alignedSrcW = aligndown(crop.w, downscale * 2);
- uint32_t alignedSrcH = aligndown(crop.h, downscale * 2);
- return Dim(crop.x, crop.y, alignedSrcW, alignedSrcH);
-}
-
-} // namespace overlay