mirror of
https://github.com/ciphervance/supercell-wx.git
synced 2025-10-31 01:50:06 +00:00
Update placefile icon data outside of render loop, polygon and text cleanup
This commit is contained in:
Dan Paulat
parent
b159540215
commit
e021484bfb
5 changed files with 212 additions and 178 deletions
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@ -36,39 +36,16 @@ struct PlacefileIconInfo
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// Resolve using base URL
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auto baseUrl = QUrl::fromUserInput(QString::fromStdString(baseUrlString));
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auto relativeUrl = QUrl(QString::fromStdString(iconFile->filename_));
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resolvedUrl_ = baseUrl.resolved(relativeUrl).toString().toStdString();
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texture_ = util::TextureAtlas::Instance().GetTextureAttributes(
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baseUrl.resolved(relativeUrl).toString().toStdString());
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if (iconFile->iconWidth_ > 0 && iconFile->iconHeight_ > 0)
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{
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columns_ = texture_.size_.x / iconFile->iconWidth_;
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rows_ = texture_.size_.y / iconFile->iconHeight_;
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}
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else
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{
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columns_ = 0u;
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rows_ = 0u;
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}
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numIcons_ = columns_ * rows_;
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// Pixel size
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float xFactor = 0.0f;
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float yFactor = 0.0f;
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if (texture_.size_.x > 0 && texture_.size_.y > 0)
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{
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xFactor = (texture_.sRight_ - texture_.sLeft_) / texture_.size_.x;
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yFactor = (texture_.tBottom_ - texture_.tTop_) / texture_.size_.y;
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}
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scaledWidth_ = iconFile_->iconWidth_ * xFactor;
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scaledHeight_ = iconFile_->iconHeight_ * yFactor;
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UpdateTextureInfo();
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}
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void UpdateTextureInfo();
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std::string resolvedUrl_;
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std::shared_ptr<const gr::Placefile::IconFile> iconFile_;
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util::TextureAttributes texture_;
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util::TextureAttributes texture_ {};
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std::size_t rows_ {};
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std::size_t columns_ {};
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std::size_t numIcons_ {};
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@ -99,10 +76,20 @@ public:
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bool dirty_ {false};
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bool thresholded_ {false};
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boost::unordered_flat_map<std::size_t, const PlacefileIconInfo>
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iconFiles_ {};
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std::mutex iconMutex_;
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std::vector<std::shared_ptr<const gr::Placefile::IconDrawItem>> iconList_ {};
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boost::unordered_flat_map<std::size_t, const PlacefileIconInfo>
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currentIconFiles_ {};
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boost::unordered_flat_map<std::size_t, const PlacefileIconInfo>
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newIconFiles_ {};
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std::vector<std::shared_ptr<const gr::Placefile::IconDrawItem>>
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currentIconList_ {};
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std::vector<std::shared_ptr<const gr::Placefile::IconDrawItem>>
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newIconList_ {};
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std::vector<float> iconBuffer_ {};
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std::vector<GLint> thresholdBuffer_ {};
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std::shared_ptr<ShaderProgram> shaderProgram_;
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GLint uMVPMatrixLocation_;
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@ -115,6 +102,7 @@ public:
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GLsizei numVertices_;
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void UpdateBuffers();
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void Update();
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};
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@ -217,7 +205,9 @@ void PlacefileIcons::Initialize()
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void PlacefileIcons::Render(
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const QMapLibreGL::CustomLayerRenderParameters& params)
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{
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if (!p->iconList_.empty())
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std::unique_lock lock {p->iconMutex_};
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if (!p->currentIconList_.empty())
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{
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gl::OpenGLFunctions& gl = p->context_->gl();
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@ -257,20 +247,61 @@ void PlacefileIcons::Deinitialize()
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gl.glDeleteVertexArrays(1, &p->vao_);
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gl.glDeleteBuffers(2, p->vbo_.data());
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std::unique_lock lock {p->iconMutex_};
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p->currentIconList_.clear();
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p->currentIconFiles_.clear();
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p->iconBuffer_.clear();
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p->thresholdBuffer_.clear();
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}
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void PlacefileIconInfo::UpdateTextureInfo()
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{
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texture_ = util::TextureAtlas::Instance().GetTextureAttributes(resolvedUrl_);
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if (iconFile_->iconWidth_ > 0 && iconFile_->iconHeight_ > 0)
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{
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columns_ = texture_.size_.x / iconFile_->iconWidth_;
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rows_ = texture_.size_.y / iconFile_->iconHeight_;
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}
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else
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{
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columns_ = 0u;
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rows_ = 0u;
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}
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numIcons_ = columns_ * rows_;
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// Pixel size
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float xFactor = 0.0f;
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float yFactor = 0.0f;
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if (texture_.size_.x > 0 && texture_.size_.y > 0)
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{
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xFactor = (texture_.sRight_ - texture_.sLeft_) / texture_.size_.x;
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yFactor = (texture_.tBottom_ - texture_.tTop_) / texture_.size_.y;
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}
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scaledWidth_ = iconFile_->iconWidth_ * xFactor;
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scaledHeight_ = iconFile_->iconHeight_ * yFactor;
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}
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void PlacefileIcons::StartIcons()
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{
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// Clear the new buffer
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p->newIconList_.clear();
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p->newIconFiles_.clear();
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}
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void PlacefileIcons::SetIconFiles(
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const std::vector<std::shared_ptr<const gr::Placefile::IconFile>>& iconFiles,
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const std::string& baseUrl)
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{
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p->dirty_ = true;
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// Populate icon file map
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p->iconFiles_.clear();
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for (auto& file : iconFiles)
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{
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p->iconFiles_.emplace(
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p->newIconFiles_.emplace(
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std::piecewise_construct,
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std::tuple {file->fileNumber_},
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std::forward_as_tuple(PlacefileIconInfo {file, baseUrl}));
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@ -282,138 +313,152 @@ void PlacefileIcons::AddIcon(
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{
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if (di != nullptr)
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{
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p->iconList_.emplace_back(di);
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p->dirty_ = true;
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p->newIconList_.emplace_back(di);
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}
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}
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void PlacefileIcons::Reset()
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void PlacefileIcons::FinishIcons()
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{
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// Clear the icon list, and mark the draw item dirty
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p->iconList_.clear();
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std::unique_lock lock {p->iconMutex_};
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// Swap buffers
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p->currentIconList_.swap(p->newIconList_);
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p->currentIconFiles_.swap(p->newIconFiles_);
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// Clear the new buffers
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p->newIconList_.clear();
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p->newIconFiles_.clear();
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p->UpdateBuffers();
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// Mark the draw item dirty
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p->dirty_ = true;
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}
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void PlacefileIcons::Impl::UpdateBuffers()
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{
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iconBuffer_.clear();
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iconBuffer_.reserve(currentIconList_.size() * kBufferLength);
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thresholdBuffer_.clear();
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thresholdBuffer_.reserve(currentIconList_.size() * kVerticesPerRectangle);
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numVertices_ = 0;
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for (auto& di : currentIconList_)
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{
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auto it = currentIconFiles_.find(di->fileNumber_);
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if (it == currentIconFiles_.cend())
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{
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// No file found
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logger_->trace("Could not find file number: {}", di->fileNumber_);
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continue;
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}
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auto& icon = it->second;
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// Validate icon
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if (di->iconNumber_ == 0 || di->iconNumber_ > icon.numIcons_)
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{
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// No icon found
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logger_->trace("Invalid icon number: {}", di->iconNumber_);
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continue;
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}
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// Threshold value
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units::length::nautical_miles<double> threshold = di->threshold_;
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GLint thresholdValue = static_cast<GLint>(std::round(threshold.value()));
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// Latitude and longitude coordinates in degrees
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const float lat = static_cast<float>(di->latitude_);
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const float lon = static_cast<float>(di->longitude_);
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// Base X/Y offsets in pixels
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const float x = static_cast<float>(di->x_);
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const float y = static_cast<float>(di->y_);
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// Icon size
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const float iw = static_cast<float>(icon.iconFile_->iconWidth_);
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const float ih = static_cast<float>(icon.iconFile_->iconHeight_);
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// Hot X/Y (zero-based icon center)
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const float hx = static_cast<float>(icon.iconFile_->hotX_);
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const float hy = static_cast<float>(icon.iconFile_->hotY_);
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// Final X/Y offsets in pixels
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const float lx = std::roundf(x - hx);
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const float rx = std::roundf(lx + iw);
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const float ty = std::roundf(y + hy);
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const float by = std::roundf(ty - ih);
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// Angle in degrees
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units::angle::degrees<float> angle = di->angle_;
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const float a = angle.value();
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// Texture coordinates
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const std::size_t iconRow = (di->iconNumber_ - 1) / icon.columns_;
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const std::size_t iconColumn = (di->iconNumber_ - 1) % icon.columns_;
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const float iconX = iconColumn * icon.scaledWidth_;
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const float iconY = iconRow * icon.scaledHeight_;
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const float ls = icon.texture_.sLeft_ + iconX;
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const float rs = ls + icon.scaledWidth_;
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const float tt = icon.texture_.tTop_ + iconY;
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const float bt = tt + icon.scaledHeight_;
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// Fixed modulate color
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const float mc0 = 1.0f;
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const float mc1 = 1.0f;
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const float mc2 = 1.0f;
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const float mc3 = 1.0f;
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iconBuffer_.insert(
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iconBuffer_.end(),
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{
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// Icon
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lat, lon, lx, by, ls, bt, mc0, mc1, mc2, mc3, a, // BL
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lat, lon, lx, ty, ls, tt, mc0, mc1, mc2, mc3, a, // TL
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lat, lon, rx, by, rs, bt, mc0, mc1, mc2, mc3, a, // BR
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lat, lon, rx, by, rs, bt, mc0, mc1, mc2, mc3, a, // BR
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lat, lon, rx, ty, rs, tt, mc0, mc1, mc2, mc3, a, // TR
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lat, lon, lx, ty, ls, tt, mc0, mc1, mc2, mc3, a // TL
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});
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thresholdBuffer_.insert(thresholdBuffer_.end(),
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{thresholdValue, //
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thresholdValue,
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thresholdValue,
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thresholdValue,
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thresholdValue,
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thresholdValue});
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}
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dirty_ = true;
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}
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void PlacefileIcons::Impl::Update()
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{
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if (dirty_)
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{
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static std::vector<float> buffer {};
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static std::vector<GLint> thresholds {};
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buffer.clear();
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buffer.reserve(iconList_.size() * kBufferLength);
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thresholds.clear();
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thresholds.reserve(iconList_.size() * kVerticesPerRectangle);
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numVertices_ = 0;
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for (auto& di : iconList_)
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{
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auto it = iconFiles_.find(di->fileNumber_);
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if (it == iconFiles_.cend())
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{
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// No file found
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logger_->trace("Could not find file number: {}", di->fileNumber_);
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continue;
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}
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auto& icon = it->second;
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// Validate icon
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if (di->iconNumber_ == 0 || di->iconNumber_ > icon.numIcons_)
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{
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// No icon found
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logger_->trace("Invalid icon number: {}", di->iconNumber_);
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continue;
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}
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// Threshold value
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units::length::nautical_miles<double> threshold = di->threshold_;
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GLint thresholdValue =
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static_cast<GLint>(std::round(threshold.value()));
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// Latitude and longitude coordinates in degrees
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const float lat = static_cast<float>(di->latitude_);
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const float lon = static_cast<float>(di->longitude_);
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// Base X/Y offsets in pixels
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const float x = static_cast<float>(di->x_);
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const float y = static_cast<float>(di->y_);
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// Icon size
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const float iw = static_cast<float>(icon.iconFile_->iconWidth_);
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const float ih = static_cast<float>(icon.iconFile_->iconHeight_);
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// Hot X/Y (zero-based icon center)
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const float hx = static_cast<float>(icon.iconFile_->hotX_);
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const float hy = static_cast<float>(icon.iconFile_->hotY_);
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// Final X/Y offsets in pixels
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const float lx = std::roundf(x - hx);
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const float rx = std::roundf(lx + iw);
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const float ty = std::roundf(y + hy);
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const float by = std::roundf(ty - ih);
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// Angle in degrees
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units::angle::degrees<float> angle = di->angle_;
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const float a = angle.value();
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// Texture coordinates
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const std::size_t iconRow = (di->iconNumber_ - 1) / icon.columns_;
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const std::size_t iconColumn = (di->iconNumber_ - 1) % icon.columns_;
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const float iconX = iconColumn * icon.scaledWidth_;
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const float iconY = iconRow * icon.scaledHeight_;
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const float ls = icon.texture_.sLeft_ + iconX;
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const float rs = ls + icon.scaledWidth_;
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const float tt = icon.texture_.tTop_ + iconY;
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const float bt = tt + icon.scaledHeight_;
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// Fixed modulate color
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const float mc0 = 1.0f;
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const float mc1 = 1.0f;
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const float mc2 = 1.0f;
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const float mc3 = 1.0f;
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buffer.insert(buffer.end(),
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{
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// Icon
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lat, lon, lx, by, ls, bt, mc0, mc1, mc2, mc3, a, // BL
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lat, lon, lx, ty, ls, tt, mc0, mc1, mc2, mc3, a, // TL
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lat, lon, rx, by, rs, bt, mc0, mc1, mc2, mc3, a, // BR
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lat, lon, rx, by, rs, bt, mc0, mc1, mc2, mc3, a, // BR
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lat, lon, rx, ty, rs, tt, mc0, mc1, mc2, mc3, a, // TR
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lat, lon, lx, ty, ls, tt, mc0, mc1, mc2, mc3, a // TL
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});
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thresholds.insert(thresholds.end(),
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{thresholdValue, //
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thresholdValue,
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thresholdValue,
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thresholdValue,
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thresholdValue,
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thresholdValue});
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numVertices_ += 6;
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}
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gl::OpenGLFunctions& gl = context_->gl();
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// Buffer vertex data
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gl.glBindBuffer(GL_ARRAY_BUFFER, vbo_[0]);
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gl.glBufferData(GL_ARRAY_BUFFER,
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sizeof(float) * buffer.size(),
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buffer.data(),
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sizeof(float) * iconBuffer_.size(),
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iconBuffer_.data(),
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GL_DYNAMIC_DRAW);
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// Buffer threshold data
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gl.glBindBuffer(GL_ARRAY_BUFFER, vbo_[1]);
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gl.glBufferData(GL_ARRAY_BUFFER,
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sizeof(GLint) * thresholds.size(),
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thresholds.data(),
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sizeof(GLint) * thresholdBuffer_.size(),
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thresholdBuffer_.data(),
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GL_DYNAMIC_DRAW);
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dirty_ = false;
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numVertices_ =
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static_cast<GLsizei>(iconBuffer_.size() / kVerticesPerRectangle);
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}
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dirty_ = false;
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}
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} // namespace draw
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@ -33,6 +33,11 @@ public:
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void Render(const QMapLibreGL::CustomLayerRenderParameters& params) override;
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void Deinitialize() override;
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/**
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* Resets and prepares the draw item for adding a new set of icons.
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*/
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void StartIcons();
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/**
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* Configures the textures for drawing the placefile icons.
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*
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@ -52,9 +57,9 @@ public:
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void AddIcon(const std::shared_ptr<gr::Placefile::IconDrawItem>& di);
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/**
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* Resets the list of icons in preparation for rendering a new frame.
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* Finalizes the draw item after adding new icons.
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*/
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void Reset();
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void FinishIcons();
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private:
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class Impl;
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@ -234,6 +234,8 @@ void PlacefilePolygons::Deinitialize()
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gl.glDeleteVertexArrays(1, &p->vao_);
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gl.glDeleteBuffers(2, p->vbo_.data());
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std::unique_lock lock {p->bufferMutex_};
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// Clear the current buffers
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p->currentBuffer_.clear();
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p->currentThresholdBuffer_.clear();
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@ -205,6 +205,8 @@ void PlacefileText::Impl::RenderText(
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void PlacefileText::Deinitialize()
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{
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std::unique_lock lock {p->listMutex_};
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// Clear the text list
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p->textList_.clear();
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}
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