X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fdata%2Flogicsegment.cpp;h=a5634b30e5d6f93fd0495ae26e9e56dc5325e716;hp=e56a8371093555ef66b5d3804c8c8f4fdf284d0c;hb=c28fa62bc89656ba3b1b01011a45e941d6c7d42a;hpb=fe3a1c218407f6b8a0d7ac7c454593809212ea9e diff --git a/pv/data/logicsegment.cpp b/pv/data/logicsegment.cpp index e56a8371..a5634b30 100644 --- a/pv/data/logicsegment.cpp +++ b/pv/data/logicsegment.cpp @@ -47,7 +47,7 @@ const float LogicSegment::LogMipMapScaleFactor = logf(MipMapScaleFactor); const uint64_t LogicSegment::MipMapDataUnit = 64*1024; // bytes LogicSegment::LogicSegment(shared_ptr logic, uint64_t samplerate, - const uint64_t expected_num_samples) : + const uint64_t expected_num_samples) : Segment(samplerate, logic->unit_size()), last_append_sample_(0) { @@ -71,7 +71,7 @@ uint64_t LogicSegment::unpack_sample(const uint8_t *ptr) const return *(uint64_t*)ptr; #else uint64_t value = 0; - switch(unit_size_) { + switch (unit_size_) { default: value |= ((uint64_t)ptr[7]) << 56; /* FALLTHRU */ @@ -108,7 +108,7 @@ void LogicSegment::pack_sample(uint8_t *ptr, uint64_t value) #ifdef HAVE_UNALIGNED_LITTLE_ENDIAN_ACCESS *(uint64_t*)ptr = value; #else - switch(unit_size_) { + switch (unit_size_) { default: ptr[7] = value >> 56; /* FALLTHRU */ @@ -173,8 +173,7 @@ void LogicSegment::reallocate_mipmap_level(MipMapLevel &m) { const uint64_t new_data_length = ((m.length + MipMapDataUnit - 1) / MipMapDataUnit) * MipMapDataUnit; - if (new_data_length > m.data_length) - { + if (new_data_length > m.data_length) { m.data_length = new_data_length; // Padding is added to allow for the uint64_t write word @@ -208,14 +207,12 @@ void LogicSegment::append_payload_to_mipmap() const uint8_t *const end_src_ptr = (uint8_t*)data_.data() + m0.length * unit_size_ * MipMapScaleFactor; for (src_ptr = (uint8_t*)data_.data() + - prev_length * unit_size_ * MipMapScaleFactor; - src_ptr < end_src_ptr;) - { + prev_length * unit_size_ * MipMapScaleFactor; + src_ptr < end_src_ptr;) { // Accumulate transitions which have occurred in this sample accumulator = 0; diff_counter = MipMapScaleFactor; - while (diff_counter-- > 0) - { + while (diff_counter-- > 0) { const uint64_t sample = unpack_sample(src_ptr); accumulator |= last_append_sample_ ^ sample; last_append_sample_ = sample; @@ -227,8 +224,7 @@ void LogicSegment::append_payload_to_mipmap() } // Compute higher level mipmaps - for (unsigned int level = 1; level < ScaleStepCount; level++) - { + for (unsigned int level = 1; level < ScaleStepCount; level++) { MipMapLevel &m = mip_map_[level]; const MipMapLevel &ml = mip_map_[level-1]; @@ -248,14 +244,12 @@ void LogicSegment::append_payload_to_mipmap() const uint8_t *const end_dest_ptr = (uint8_t*)m.data + unit_size_ * m.length; for (dest_ptr = (uint8_t*)m.data + - unit_size_ * prev_length; - dest_ptr < end_dest_ptr; - dest_ptr += unit_size_) - { + unit_size_ * prev_length; + dest_ptr < end_dest_ptr; + dest_ptr += unit_size_) { accumulator = 0; diff_counter = MipMapScaleFactor; - while (diff_counter-- > 0) - { + while (diff_counter-- > 0) { accumulator |= unpack_sample(src_ptr); src_ptr += unit_size_; } @@ -299,26 +293,23 @@ void LogicSegment::get_subsampled_edges( last_sample = (get_sample(start) & sig_mask) != 0; edges.push_back(pair(index++, last_sample)); - while (index + block_length <= end) - { + while (index + block_length <= end) { //----- Continue to search -----// level = min_level; // We cannot fast-forward if there is no mip-map data at // at the minimum level. - fast_forward = (mip_map_[level].data != NULL); + fast_forward = (mip_map_[level].data != nullptr); - if (min_length < MipMapScaleFactor) - { + if (min_length < MipMapScaleFactor) { // Search individual samples up to the beginning of // the next first level mip map block const uint64_t final_index = min(end, pow2_ceil(index, MipMapScalePower)); for (; index < final_index && - (index & ~(~0 << MipMapScalePower)) != 0; - index++) - { + (index & ~((uint64_t)(~0) << MipMapScalePower)) != 0; + index++) { const bool sample = (get_sample(index) & sig_mask) != 0; @@ -328,9 +319,7 @@ void LogicSegment::get_subsampled_edges( break; } } - } - else - { + } else { // If resolution is less than a mip map block, // round up to the beginning of the mip-map block // for this level of detail @@ -369,7 +358,7 @@ void LogicSegment::get_subsampled_edges( sig_mask)) break; - if ((offset & ~(~0 << MipMapScalePower)) == 0) { + if ((offset & ~((uint64_t)(~0) << MipMapScalePower)) == 0) { // If we are now at the beginning of a // higher level mip-map block ascend one // level @@ -399,7 +388,7 @@ void LogicSegment::get_subsampled_edges( // Check if we reached the last block at this // level, or if there was a change in this block if (offset >= mip_map_[level].length || - (get_subsample(level, offset) & + (get_subsample(level, offset) & sig_mask)) { // Zoom in unless we reached the minimum // zoom