diff options
Diffstat (limited to 'msm8909/liboverlay/overlayMdssRot.cpp')
-rw-r--r-- | msm8909/liboverlay/overlayMdssRot.cpp | 430 |
1 files changed, 0 insertions, 430 deletions
diff --git a/msm8909/liboverlay/overlayMdssRot.cpp b/msm8909/liboverlay/overlayMdssRot.cpp deleted file mode 100644 index 87e134a9..00000000 --- a/msm8909/liboverlay/overlayMdssRot.cpp +++ /dev/null @@ -1,430 +0,0 @@ -/* - * 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 |