mirror of
https://github.com/ciphervance/supercell-wx.git
synced 2025-10-30 13:30:06 +00:00
For placefile icons, only buffer texture data on texture atlas update
This commit is contained in:
Dan Paulat
parent
854d4a43db
commit
44030fdf87
2 changed files with 200 additions and 78 deletions
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@ -25,9 +25,12 @@ static constexpr std::size_t kNumRectangles = 1;
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static constexpr std::size_t kNumTriangles = kNumRectangles * 2;
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static constexpr std::size_t kVerticesPerTriangle = 3;
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static constexpr std::size_t kVerticesPerRectangle = kVerticesPerTriangle * 2;
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static constexpr std::size_t kPointsPerVertex = 11;
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static constexpr std::size_t kBufferLength =
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static constexpr std::size_t kPointsPerVertex = 9;
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static constexpr std::size_t kPointsPerTexCoord = 2;
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static constexpr std::size_t kIconBufferLength =
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kNumTriangles * kVerticesPerTriangle * kPointsPerVertex;
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static constexpr std::size_t kTextureBufferLength =
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kNumTriangles * kVerticesPerTriangle * kPointsPerTexCoord;
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struct PlacefileIconInfo
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{
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@ -84,6 +87,7 @@ public:
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~Impl() {}
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void UpdateBuffers();
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void UpdateTextureBuffer();
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void Update(bool textureAtlasChanged);
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std::shared_ptr<GlContext> context_;
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@ -101,11 +105,18 @@ public:
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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<std::shared_ptr<const gr::Placefile::IconDrawItem>>
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newValidIconList_ {};
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std::vector<IconHoverEntry> hoverIcons_ {};
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std::vector<float> currentIconBuffer_ {};
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std::vector<GLint> currentThresholdBuffer_ {};
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std::vector<float> newIconBuffer_ {};
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std::vector<GLint> newThresholdBuffer_ {};
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std::vector<float> iconBuffer_ {};
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std::vector<GLint> thresholdBuffer_ {};
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std::vector<float> textureBuffer_ {};
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std::vector<IconHoverEntry> currentHoverIcons_ {};
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std::vector<IconHoverEntry> newHoverIcons_ {};
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std::shared_ptr<ShaderProgram> shaderProgram_;
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GLint uMVPMatrixLocation_;
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@ -114,7 +125,7 @@ public:
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GLint uMapDistanceLocation_;
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GLuint vao_;
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std::array<GLuint, 2> vbo_;
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std::array<GLuint, 3> vbo_;
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GLsizei numVertices_;
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};
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@ -150,7 +161,7 @@ void PlacefileIcons::Initialize()
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p->shaderProgram_->GetUniformLocation("uMapDistance");
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gl.glGenVertexArrays(1, &p->vao_);
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gl.glGenBuffers(2, p->vbo_.data());
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gl.glGenBuffers(static_cast<GLsizei>(p->vbo_.size()), p->vbo_.data());
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gl.glBindVertexArray(p->vao_);
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gl.glBindBuffer(GL_ARRAY_BUFFER, p->vbo_[0]);
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@ -174,22 +185,13 @@ void PlacefileIcons::Initialize()
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reinterpret_cast<void*>(2 * sizeof(float)));
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gl.glEnableVertexAttribArray(1);
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// aTexCoord
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gl.glVertexAttribPointer(2,
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2,
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GL_FLOAT,
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GL_FALSE,
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kPointsPerVertex * sizeof(float),
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reinterpret_cast<void*>(4 * sizeof(float)));
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gl.glEnableVertexAttribArray(2);
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// aModulate
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gl.glVertexAttribPointer(3,
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4,
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GL_FLOAT,
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GL_FALSE,
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kPointsPerVertex * sizeof(float),
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reinterpret_cast<void*>(6 * sizeof(float)));
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reinterpret_cast<void*>(4 * sizeof(float)));
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gl.glEnableVertexAttribArray(3);
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// aAngle
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@ -198,12 +200,24 @@ void PlacefileIcons::Initialize()
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GL_FLOAT,
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GL_FALSE,
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kPointsPerVertex * sizeof(float),
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reinterpret_cast<void*>(10 * sizeof(float)));
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reinterpret_cast<void*>(8 * sizeof(float)));
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gl.glEnableVertexAttribArray(4);
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gl.glBindBuffer(GL_ARRAY_BUFFER, p->vbo_[1]);
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gl.glBufferData(GL_ARRAY_BUFFER, 0u, nullptr, GL_DYNAMIC_DRAW);
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// aTexCoord
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gl.glVertexAttribPointer(2,
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2,
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GL_FLOAT,
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GL_FALSE,
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kPointsPerTexCoord * sizeof(float),
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static_cast<void*>(0));
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gl.glEnableVertexAttribArray(2);
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gl.glBindBuffer(GL_ARRAY_BUFFER, p->vbo_[2]);
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gl.glBufferData(GL_ARRAY_BUFFER, 0u, nullptr, GL_DYNAMIC_DRAW);
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// aThreshold
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gl.glVertexAttribIPointer(5, //
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1,
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@ -260,15 +274,16 @@ void PlacefileIcons::Deinitialize()
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gl::OpenGLFunctions& gl = p->context_->gl();
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gl.glDeleteVertexArrays(1, &p->vao_);
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gl.glDeleteBuffers(2, p->vbo_.data());
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gl.glDeleteBuffers(static_cast<GLsizei>(p->vbo_.size()), 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->hoverIcons_.clear();
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p->iconBuffer_.clear();
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p->thresholdBuffer_.clear();
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p->currentHoverIcons_.clear();
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p->currentIconBuffer_.clear();
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p->currentThresholdBuffer_.clear();
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p->textureBuffer_.clear();
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}
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void PlacefileIconInfo::UpdateTextureInfo()
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@ -306,7 +321,11 @@ 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->newValidIconList_.clear();
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p->newIconFiles_.clear();
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p->newIconBuffer_.clear();
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p->newThresholdBuffer_.clear();
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p->newHoverIcons_.clear();
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}
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void PlacefileIcons::SetIconFiles(
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@ -334,15 +353,31 @@ void PlacefileIcons::AddIcon(
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void PlacefileIcons::FinishIcons()
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{
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// Update icon files
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for (auto& iconFile : p->newIconFiles_)
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{
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iconFile.second.UpdateTextureInfo();
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}
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// Update buffers
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p->UpdateBuffers();
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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->currentIconList_.swap(p->newValidIconList_);
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p->currentIconFiles_.swap(p->newIconFiles_);
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p->currentIconBuffer_.swap(p->newIconBuffer_);
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p->currentThresholdBuffer_.swap(p->newThresholdBuffer_);
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p->currentHoverIcons_.swap(p->newHoverIcons_);
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// Clear the new buffers
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p->newIconList_.clear();
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p->newValidIconList_.clear();
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p->newIconFiles_.clear();
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p->newIconBuffer_.clear();
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p->newThresholdBuffer_.clear();
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p->newHoverIcons_.clear();
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// Mark the draw item dirty
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p->dirty_ = true;
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@ -350,17 +385,15 @@ void PlacefileIcons::FinishIcons()
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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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hoverIcons_.clear();
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numVertices_ = 0;
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newIconBuffer_.clear();
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newIconBuffer_.reserve(newIconList_.size() * kIconBufferLength);
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newThresholdBuffer_.clear();
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newThresholdBuffer_.reserve(newIconList_.size() * kVerticesPerRectangle);
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for (auto& di : currentIconList_)
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for (auto& di : newIconList_)
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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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auto it = newIconFiles_.find(di->fileNumber_);
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if (it == newIconFiles_.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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@ -377,6 +410,9 @@ void PlacefileIcons::Impl::UpdateBuffers()
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continue;
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}
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// Icon is valid, add to valid icon list
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newValidIconList_.push_back(di);
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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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@ -407,42 +443,29 @@ void PlacefileIcons::Impl::UpdateBuffers()
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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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newIconBuffer_.insert(newIconBuffer_.end(),
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{
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// Icon
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lat, lon, lx, by, mc0, mc1, mc2, mc3, a, // BL
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lat, lon, lx, ty, mc0, mc1, mc2, mc3, a, // TL
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lat, lon, rx, by, mc0, mc1, mc2, mc3, a, // BR
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lat, lon, rx, by, mc0, mc1, mc2, mc3, a, // BR
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lat, lon, rx, ty, mc0, mc1, mc2, mc3, a, // TR
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lat, lon, lx, ty, mc0, mc1, mc2, mc3, a // TL
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});
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newThresholdBuffer_.insert(newThresholdBuffer_.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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if (!di->hoverText_.empty())
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{
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@ -460,15 +483,105 @@ void PlacefileIcons::Impl::UpdateBuffers()
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const glm::vec2 obl = rotate * glm::vec2 {lx, by};
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const glm::vec2 obr = rotate * glm::vec2 {rx, by};
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hoverIcons_.emplace_back(IconHoverEntry {di, sc, otl, otr, obl, obr});
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newHoverIcons_.emplace_back(
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IconHoverEntry {di, sc, otl, otr, obl, obr});
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}
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}
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}
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dirty_ = true;
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void PlacefileIcons::Impl::UpdateTextureBuffer()
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{
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textureBuffer_.clear();
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textureBuffer_.reserve(currentIconList_.size() * kTextureBufferLength);
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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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// Should not get here, but insert empty data to match up with data
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// already buffered
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// clang-format off
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textureBuffer_.insert(
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textureBuffer_.end(),
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{
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// Icon
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0.0f, 0.0f, // BL
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0.0f, 0.0f, // TL
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0.0f, 0.0f, // BR
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0.0f, 0.0f, // BR
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0.0f, 0.0f, // TR
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0.0f, 0.0f // TL
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});
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// clang-format on
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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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// Will get here if a texture changes, and the texture shrunk such that
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// the icon is no longer found
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// clang-format off
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textureBuffer_.insert(
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textureBuffer_.end(),
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{
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// Icon
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0.0f, 0.0f, // BL
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0.0f, 0.0f, // TL
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0.0f, 0.0f, // BR
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0.0f, 0.0f, // BR
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0.0f, 0.0f, // TR
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0.0f, 0.0f // TL
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});
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// clang-format on
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continue;
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}
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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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// clang-format off
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textureBuffer_.insert(
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textureBuffer_.end(),
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{
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// Icon
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ls, bt, // BL
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ls, tt, // TL
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rs, bt, // BR
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rs, bt, // BR
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rs, tt, // TR
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ls, tt // TL
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});
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// clang-format on
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}
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}
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void PlacefileIcons::Impl::Update(bool textureAtlasChanged)
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{
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gl::OpenGLFunctions& gl = context_->gl();
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// If the texture atlas has changed
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if (dirty_ || textureAtlasChanged)
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{
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@ -478,27 +591,36 @@ void PlacefileIcons::Impl::Update(bool textureAtlasChanged)
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iconFile.second.UpdateTextureInfo();
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}
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// Update OpenGL buffer data
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UpdateBuffers();
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// Update OpenGL texture buffer data
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UpdateTextureBuffer();
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gl::OpenGLFunctions& gl = context_->gl();
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// Buffer texture 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(float) * textureBuffer_.size(),
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textureBuffer_.data(),
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GL_DYNAMIC_DRAW);
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}
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// If buffers need updating
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if (dirty_)
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{
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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) * iconBuffer_.size(),
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iconBuffer_.data(),
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sizeof(float) * currentIconBuffer_.size(),
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currentIconBuffer_.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.glBindBuffer(GL_ARRAY_BUFFER, vbo_[2]);
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gl.glBufferData(GL_ARRAY_BUFFER,
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sizeof(GLint) * thresholdBuffer_.size(),
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thresholdBuffer_.data(),
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sizeof(GLint) * currentThresholdBuffer_.size(),
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currentThresholdBuffer_.data(),
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GL_DYNAMIC_DRAW);
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numVertices_ =
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static_cast<GLsizei>(iconBuffer_.size() / kVerticesPerRectangle);
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numVertices_ = static_cast<GLsizei>(currentIconBuffer_.size() /
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kVerticesPerRectangle);
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}
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dirty_ = false;
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@ -530,8 +652,8 @@ bool PlacefileIcons::RunMousePicking(
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// For each pickable icon
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auto it = std::find_if(
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std::execution::par_unseq,
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p->hoverIcons_.crbegin(),
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p->hoverIcons_.crend(),
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p->currentHoverIcons_.crbegin(),
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p->currentHoverIcons_.crend(),
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[&mapDistance, &mapMatrix, &mousePos](const auto& icon)
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{
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if (
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@ -574,7 +696,7 @@ bool PlacefileIcons::RunMousePicking(
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return util::maplibre::IsPointInPolygon({tl, bl, br, tr}, mousePos);
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});
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if (it != p->hoverIcons_.crend())
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if (it != p->currentHoverIcons_.crend())
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{
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itemPicked = true;
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util::ImGui::Instance().DrawTooltip(it->di_->hoverText_);
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@ -62,10 +62,10 @@ PlacefileLayer::PlacefileLayer(const std::shared_ptr<MapContext>& context,
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DrawLayer(context),
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p(std::make_unique<PlacefileLayer::Impl>(this, context, placefileName))
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{
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AddDrawItem(p->placefileIcons_);
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AddDrawItem(p->placefilePolygons_);
|
||||
AddDrawItem(p->placefileTriangles_);
|
||||
AddDrawItem(p->placefileLines_);
|
||||
AddDrawItem(p->placefileIcons_);
|
||||
AddDrawItem(p->placefileText_);
|
||||
|
||||
ReloadData();
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue