Update only dirty lines

This commit is contained in:
Dan Paulat 2024-07-07 11:51:53 -05:00
parent 803dfdd455
commit 037e0922b0
3 changed files with 268 additions and 94 deletions

View file

@ -6,6 +6,7 @@
#include <execution>
#include <boost/unordered/unordered_flat_set.hpp>
#include <units/angle.h>
namespace scwx
@ -25,11 +26,13 @@ static constexpr size_t kNumTriangles = kNumRectangles * 2;
static constexpr size_t kVerticesPerTriangle = 3;
static constexpr size_t kVerticesPerRectangle = kVerticesPerTriangle * 2;
static constexpr size_t kPointsPerVertex = 9;
static constexpr size_t kBufferLength =
static constexpr size_t kLineBufferLength_ =
kNumTriangles * kVerticesPerTriangle * kPointsPerVertex;
// Threshold, start time, end time
static constexpr std::size_t kIntegersPerVertex_ = 3;
// Threshold, start time, end time, displayed
static constexpr std::size_t kIntegersPerVertex_ = 4;
static constexpr std::size_t kIntegerBufferLength_ =
kNumTriangles * kVerticesPerTriangle * kIntegersPerVertex_;
struct GeoLineDrawItem
{
@ -81,6 +84,12 @@ public:
void BufferLine(const std::shared_ptr<const GeoLineDrawItem>& di);
void Update();
void UpdateBuffers();
void UpdateModifiedLineBuffers();
void UpdateSingleBuffer(const std::shared_ptr<const GeoLineDrawItem>& di,
std::size_t lineIndex,
std::vector<float>& linesBuffer,
std::vector<GLint>& integerBuffer,
std::vector<LineHoverEntry>& hoverLines);
std::shared_ptr<GlContext> context_;
@ -88,6 +97,8 @@ public:
bool dirty_ {false};
bool thresholded_ {false};
boost::unordered_flat_set<std::shared_ptr<GeoLineDrawItem>> dirtyLines_ {};
std::chrono::system_clock::time_point selectedTime_ {};
std::mutex lineMutex_ {};
@ -136,8 +147,7 @@ void GeoLines::set_thresholded(bool thresholded)
void GeoLines::Initialize()
{
gl::OpenGLFunctions& gl = p->context_->gl();
auto& gl30 = p->context_->gl30();
gl::OpenGLFunctions& gl = p->context_->gl();
p->shaderProgram_ = p->context_->GetShaderProgram(
{{GL_VERTEX_SHADER, ":/gl/geo_texture2d.vert"},
@ -158,8 +168,10 @@ void GeoLines::Initialize()
gl.glBindVertexArray(p->vao_);
gl.glBindBuffer(GL_ARRAY_BUFFER, p->vbo_[0]);
gl.glBufferData(
GL_ARRAY_BUFFER, sizeof(float) * kBufferLength, nullptr, GL_DYNAMIC_DRAW);
gl.glBufferData(GL_ARRAY_BUFFER,
sizeof(float) * kLineBufferLength_,
nullptr,
GL_DYNAMIC_DRAW);
// aLatLong
gl.glVertexAttribPointer(0,
@ -217,7 +229,13 @@ void GeoLines::Initialize()
gl.glEnableVertexAttribArray(6);
// aDisplayed
gl30.glVertexAttribI1i(7, 1);
gl.glVertexAttribPointer(7,
1,
GL_INT,
GL_FALSE,
kIntegersPerVertex_ * sizeof(GLint),
reinterpret_cast<void*>(3 * sizeof(float)));
gl.glEnableVertexAttribArray(7);
p->dirty_ = true;
}
@ -280,7 +298,7 @@ void GeoLines::Deinitialize()
gl::OpenGLFunctions& gl = p->context_->gl();
gl.glDeleteVertexArrays(1, &p->vao_);
gl.glDeleteBuffers(2, p->vbo_.data());
gl.glDeleteBuffers(static_cast<GLsizei>(p->vbo_.size()), p->vbo_.data());
std::unique_lock lock {p->lineMutex_};
@ -314,43 +332,94 @@ void GeoLines::SetLineLocation(const std::shared_ptr<GeoLineDrawItem>& di,
float latitude2,
float longitude2)
{
di->latitude1_ = latitude1;
di->longitude1_ = longitude1;
di->latitude2_ = latitude2;
di->longitude2_ = longitude2;
if (di->latitude1_ != latitude1 || di->longitude1_ != longitude1 ||
di->latitude2_ != latitude1 || di->longitude2_ != longitude1)
{
di->latitude1_ = latitude1;
di->longitude1_ = longitude1;
di->latitude2_ = latitude2;
di->longitude2_ = longitude2;
p->dirtyLines_.insert(di);
}
}
void GeoLines::SetLineModulate(const std::shared_ptr<GeoLineDrawItem>& di,
boost::gil::rgba8_pixel_t modulate)
{
di->modulate_ = {modulate[0] / 255.0f,
modulate[1] / 255.0f,
modulate[2] / 255.0f,
modulate[3] / 255.0f};
boost::gil::rgba32f_pixel_t newModulate = {modulate[0] / 255.0f,
modulate[1] / 255.0f,
modulate[2] / 255.0f,
modulate[3] / 255.0f};
if (di->modulate_ != newModulate)
{
di->modulate_ = newModulate;
p->dirtyLines_.insert(di);
}
}
void GeoLines::SetLineModulate(const std::shared_ptr<GeoLineDrawItem>& di,
boost::gil::rgba32f_pixel_t modulate)
{
di->modulate_ = modulate;
if (di->modulate_ != modulate)
{
di->modulate_ = modulate;
p->dirtyLines_.insert(di);
}
}
void GeoLines::SetLineWidth(const std::shared_ptr<GeoLineDrawItem>& di,
float width)
{
di->width_ = width;
if (di->width_ != width)
{
di->width_ = width;
p->dirtyLines_.insert(di);
}
}
void GeoLines::SetLineVisible(const std::shared_ptr<GeoLineDrawItem>& di,
bool visible)
{
di->visible_ = visible;
if (di->visible_ != visible)
{
di->visible_ = visible;
p->dirtyLines_.insert(di);
}
}
void GeoLines::SetLineHoverText(const std::shared_ptr<GeoLineDrawItem>& di,
const std::string& text)
{
di->hoverText_ = text;
if (di->hoverText_ != text)
{
di->hoverText_ = text;
p->dirtyLines_.insert(di);
}
}
void GeoLines::SetLineStartTime(const std::shared_ptr<GeoLineDrawItem>& di,
std::chrono::system_clock::time_point startTime)
{
if (di->startTime_ != startTime)
{
di->startTime_ =
std::chrono::time_point_cast<std::chrono::seconds,
std::chrono::system_clock>(startTime);
p->dirtyLines_.insert(di);
}
}
void GeoLines::SetLineEndTime(const std::shared_ptr<GeoLineDrawItem>& di,
std::chrono::system_clock::time_point endTime)
{
if (di->endTime_ != endTime)
{
di->endTime_ =
std::chrono::time_point_cast<std::chrono::seconds,
std::chrono::system_clock>(endTime);
p->dirtyLines_.insert(di);
}
}
void GeoLines::FinishLines()
@ -379,20 +448,63 @@ void GeoLines::FinishLines()
void GeoLines::Impl::UpdateBuffers()
{
newLinesBuffer_.clear();
newLinesBuffer_.reserve(newLineList_.size() * kBufferLength);
newLinesBuffer_.reserve(newLineList_.size() * kLineBufferLength_);
newIntegerBuffer_.clear();
newIntegerBuffer_.reserve(newLineList_.size() * kVerticesPerRectangle *
kIntegersPerVertex_);
newHoverLines_.clear();
for (auto& di : newLineList_)
for (std::size_t i = 0; i < newLineList_.size(); ++i)
{
BufferLine(di);
auto& di = newLineList_[i];
// Update line buffer
UpdateSingleBuffer(
di, i, newLinesBuffer_, newIntegerBuffer_, newHoverLines_);
}
// All lines have been updated
dirtyLines_.clear();
}
void GeoLines::Impl::UpdateModifiedLineBuffers()
{
// Update buffers for modified lines
for (auto& di : dirtyLines_)
{
// Find modified line in the current list
auto it =
std::find(currentLineList_.cbegin(), currentLineList_.cend(), di);
// Ignore invalid lines
if (it == currentLineList_.cend())
{
continue;
}
auto lineIndex = std::distance(currentLineList_.cbegin(), it);
UpdateSingleBuffer(di,
lineIndex,
currentLinesBuffer_,
currentIntegerBuffer_,
currentHoverLines_);
}
// Clear list of modified lines
if (!dirtyLines_.empty())
{
dirtyLines_.clear();
dirty_ = true;
}
}
void GeoLines::Impl::BufferLine(
const std::shared_ptr<const GeoLineDrawItem>& di)
void GeoLines::Impl::UpdateSingleBuffer(
const std::shared_ptr<const GeoLineDrawItem>& di,
std::size_t lineIndex,
std::vector<float>& lineBuffer,
std::vector<GLint>& integerBuffer,
std::vector<LineHoverEntry>& hoverLines)
{
// Threshold value
units::length::nautical_miles<double> threshold = di->threshold_;
@ -438,38 +550,65 @@ void GeoLines::Impl::BufferLine(
const float mc2 = di->modulate_[2];
const float mc3 = di->modulate_[3];
// Update buffers
newLinesBuffer_.insert(newLinesBuffer_.end(),
{
// Line
lat1, lon1, lx, by, mc0, mc1, mc2, mc3, a, // BL
lat2, lon2, lx, ty, mc0, mc1, mc2, mc3, a, // TL
lat1, lon1, rx, by, mc0, mc1, mc2, mc3, a, // BR
lat1, lon1, rx, by, mc0, mc1, mc2, mc3, a, // BR
lat2, lon2, rx, ty, mc0, mc1, mc2, mc3, a, // TR
lat2, lon2, lx, ty, mc0, mc1, mc2, mc3, a // TL
});
newIntegerBuffer_.insert(newIntegerBuffer_.end(),
{thresholdValue,
startTime,
endTime,
thresholdValue,
startTime,
endTime,
thresholdValue,
startTime,
endTime,
thresholdValue,
startTime,
endTime,
thresholdValue,
startTime,
endTime,
thresholdValue,
startTime,
endTime});
// Visibility
const GLint v = static_cast<GLint>(di->visible_);
if (!di->hoverText_.empty())
// Initiailize line data
const auto lineData = {
// Line
lat1, lon1, lx, by, mc0, mc1, mc2, mc3, a, // BL
lat2, lon2, lx, ty, mc0, mc1, mc2, mc3, a, // TL
lat1, lon1, rx, by, mc0, mc1, mc2, mc3, a, // BR
lat1, lon1, rx, by, mc0, mc1, mc2, mc3, a, // BR
lat2, lon2, rx, ty, mc0, mc1, mc2, mc3, a, // TR
lat2, lon2, lx, ty, mc0, mc1, mc2, mc3, a // TL
};
const auto integerData = {thresholdValue, startTime, endTime, v,
thresholdValue, startTime, endTime, v,
thresholdValue, startTime, endTime, v,
thresholdValue, startTime, endTime, v,
thresholdValue, startTime, endTime, v,
thresholdValue, startTime, endTime, v};
// Buffer position data
auto lineBufferPosition = lineBuffer.end();
auto lineBufferOffset = lineIndex * kLineBufferLength_;
auto integerBufferPosition = integerBuffer.end();
auto integerBufferOffset = lineIndex * kIntegerBufferLength_;
if (lineBufferOffset < lineBuffer.size())
{
lineBufferPosition = lineBuffer.begin() + lineBufferOffset;
}
if (integerBufferOffset < integerBuffer.size())
{
integerBufferPosition = integerBuffer.begin() + integerBufferOffset;
}
if (lineBufferPosition == lineBuffer.cend())
{
lineBuffer.insert(lineBufferPosition, lineData);
}
else
{
std::copy(lineData.begin(), lineData.end(), lineBufferPosition);
}
if (integerBufferPosition == integerBuffer.cend())
{
integerBuffer.insert(integerBufferPosition, integerData);
}
else
{
std::copy(integerData.begin(), integerData.end(), integerBufferPosition);
}
auto hoverIt = std::find_if(hoverLines.begin(),
hoverLines.end(),
[&di](auto& entry) { return entry.di_ == di; });
if (di->visible_ && !di->hoverText_.empty())
{
const units::angle::radians<double> radians = angle;
@ -486,13 +625,31 @@ void GeoLines::Impl::BufferLine(
const glm::vec2 obl = rotate * glm::vec2 {-hw, -hw};
const glm::vec2 obr = rotate * glm::vec2 {+hw, -hw};
newHoverLines_.emplace_back(
LineHoverEntry {di, sc1, sc2, otl, otr, obl, obr});
if (hoverIt == hoverLines.end())
{
hoverLines.emplace_back(
LineHoverEntry {di, sc1, sc2, otl, otr, obl, obr});
}
else
{
hoverIt->p1_ = sc1;
hoverIt->p2_ = sc2;
hoverIt->otl_ = otl;
hoverIt->otr_ = otr;
hoverIt->obl_ = obl;
hoverIt->obr_ = obr;
}
}
else if (hoverIt != hoverLines.end())
{
hoverLines.erase(hoverIt);
}
}
void GeoLines::Impl::Update()
{
UpdateModifiedLineBuffers();
// If the lines have been updated
if (dirty_)
{

View file

@ -75,11 +75,11 @@ public:
* @param [in] longitude2 The longitude of the second endpoint of the geo
* line in degrees.
*/
static void SetLineLocation(const std::shared_ptr<GeoLineDrawItem>& di,
float latitude1,
float longitude1,
float latitude2,
float longitude2);
void SetLineLocation(const std::shared_ptr<GeoLineDrawItem>& di,
float latitude1,
float longitude1,
float latitude2,
float longitude2);
/**
* Sets the modulate color of a geo line.
@ -87,8 +87,8 @@ public:
* @param [in] di Geo line draw item
* @param [in] modulate Modulate color
*/
static void SetLineModulate(const std::shared_ptr<GeoLineDrawItem>& di,
boost::gil::rgba8_pixel_t color);
void SetLineModulate(const std::shared_ptr<GeoLineDrawItem>& di,
boost::gil::rgba8_pixel_t color);
/**
* Sets the modulate color of a geo line.
@ -96,24 +96,23 @@ public:
* @param [in] di Geo line draw item
* @param [in] modulate Modulate color
*/
static void SetLineModulate(const std::shared_ptr<GeoLineDrawItem>& di,
boost::gil::rgba32f_pixel_t modulate);
void SetLineModulate(const std::shared_ptr<GeoLineDrawItem>& di,
boost::gil::rgba32f_pixel_t modulate);
/**
* Sets the width of the geo line.
*
* @param [in] width Width in pixels
*/
static void SetLineWidth(const std::shared_ptr<GeoLineDrawItem>& di,
float width);
void SetLineWidth(const std::shared_ptr<GeoLineDrawItem>& di, float width);
/**
* Sets the visibility of the geo line.
*
* @param [in] visible
*/
static void SetLineVisible(const std::shared_ptr<GeoLineDrawItem>& di,
bool visible);
void SetLineVisible(const std::shared_ptr<GeoLineDrawItem>& di,
bool visible);
/**
* Sets the hover text of a geo line.
@ -121,8 +120,26 @@ public:
* @param [in] di Geo line draw item
* @param [in] text Hover text
*/
static void SetLineHoverText(const std::shared_ptr<GeoLineDrawItem>& di,
const std::string& text);
void SetLineHoverText(const std::shared_ptr<GeoLineDrawItem>& di,
const std::string& text);
/**
* Sets the start time of a geo line.
*
* @param [in] di Geo line draw item
* @param [in] startTime Start time
*/
void SetLineStartTime(const std::shared_ptr<GeoLineDrawItem>& di,
std::chrono::system_clock::time_point startTime);
/**
* Sets the end time of a geo line.
*
* @param [in] di Geo line draw item
* @param [in] endTime End time
*/
void SetLineEndTime(const std::shared_ptr<GeoLineDrawItem>& di,
std::chrono::system_clock::time_point endTime);
/**
* Finalizes the draw item after adding new lines.

View file

@ -219,13 +219,13 @@ void LinkedVectors::FinishVectors()
const double& latitude2 = coordinate2.latitude_;
const double& longitude2 = coordinate2.longitude_;
GeoLines::SetLineLocation(
p->geoLines_->SetLineLocation(
borderLine, latitude1, longitude1, latitude2, longitude2);
GeoLines::SetLineModulate(borderLine, kBlack);
GeoLines::SetLineWidth(borderLine, di->width_ + 2.0f);
GeoLines::SetLineVisible(borderLine, di->visible_);
GeoLines::SetLineHoverText(borderLine, di->hoverText_);
p->geoLines_->SetLineModulate(borderLine, kBlack);
p->geoLines_->SetLineWidth(borderLine, di->width_ + 2.0f);
p->geoLines_->SetLineVisible(borderLine, di->visible_);
p->geoLines_->SetLineHoverText(borderLine, di->hoverText_);
di->borderDrawItems_.emplace_back(std::move(borderLine));
@ -248,13 +248,13 @@ void LinkedVectors::FinishVectors()
auto tickBorderLine = p->geoLines_->AddLine();
GeoLines::SetLineLocation(
p->geoLines_->SetLineLocation(
tickBorderLine, tickLat1, tickLon1, tickLat2, tickLon2);
GeoLines::SetLineModulate(tickBorderLine, kBlack);
GeoLines::SetLineWidth(tickBorderLine, di->width_ + 2.0f);
GeoLines::SetLineVisible(tickBorderLine, di->visible_);
GeoLines::SetLineHoverText(tickBorderLine, di->hoverText_);
p->geoLines_->SetLineModulate(tickBorderLine, kBlack);
p->geoLines_->SetLineWidth(tickBorderLine, di->width_ + 2.0f);
p->geoLines_->SetLineVisible(tickBorderLine, di->visible_);
p->geoLines_->SetLineHoverText(tickBorderLine, di->hoverText_);
tickRadius += di->tickRadiusIncrement_;
}
@ -279,17 +279,17 @@ void LinkedVectors::FinishVectors()
const double& latitude2 = coordinate2.latitude_;
const double& longitude2 = coordinate2.longitude_;
GeoLines::SetLineLocation(
p->geoLines_->SetLineLocation(
geoLine, latitude1, longitude1, latitude2, longitude2);
GeoLines::SetLineModulate(geoLine, di->modulate_);
GeoLines::SetLineWidth(geoLine, di->width_);
GeoLines::SetLineVisible(geoLine, di->visible_);
p->geoLines_->SetLineModulate(geoLine, di->modulate_);
p->geoLines_->SetLineWidth(geoLine, di->width_);
p->geoLines_->SetLineVisible(geoLine, di->visible_);
// If the border is not enabled, this line must have hover text instead
if (!p->borderEnabled_)
{
GeoLines::SetLineHoverText(geoLine, di->hoverText_);
p->geoLines_->SetLineHoverText(geoLine, di->hoverText_);
}
di->lineDrawItems_.emplace_back(std::move(geoLine));
@ -313,17 +313,17 @@ void LinkedVectors::FinishVectors()
auto tickGeoLine = p->geoLines_->AddLine();
GeoLines::SetLineLocation(
p->geoLines_->SetLineLocation(
tickGeoLine, tickLat1, tickLon1, tickLat2, tickLon2);
GeoLines::SetLineModulate(tickGeoLine, di->modulate_);
GeoLines::SetLineWidth(tickGeoLine, di->width_);
GeoLines::SetLineVisible(tickGeoLine, di->visible_);
p->geoLines_->SetLineModulate(tickGeoLine, di->modulate_);
p->geoLines_->SetLineWidth(tickGeoLine, di->width_);
p->geoLines_->SetLineVisible(tickGeoLine, di->visible_);
// If the border is not enabled, this line must have hover text
if (!p->borderEnabled_)
{
GeoLines::SetLineHoverText(tickGeoLine, di->hoverText_);
p->geoLines_->SetLineHoverText(tickGeoLine, di->hoverText_);
}
tickRadius += di->tickRadiusIncrement_;