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Splitting radar logic out of render layer into manager and view classes

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This commit is contained in:
Dan Paulat 2021-07-24 21:32:57 -05:00
parent 59be110c10
commit 30fadcfbb6
12 changed files with 410 additions and 133 deletions
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123
scwx-qt/source/scwx/qt/map/radar_layer.cpp
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@ -4,7 +4,6 @@
#include <execution>
#include <boost/log/trivial.hpp>
#include <boost/range/irange.hpp>
#include <boost/timer/timer.hpp>
#include <GeographicLib/Geodesic.hpp>
#include <glm/glm.hpp>
@ -28,25 +27,22 @@ LatLongToScreenCoordinate(const QMapbox::Coordinate& coordinate);
class RadarLayerImpl
{
public:
explicit RadarLayerImpl(std::shared_ptr<QMapboxGL> map,
OpenGLFunctions& gl) :
map_(map),
explicit RadarLayerImpl(std::shared_ptr<view::RadarView> radarView,
OpenGLFunctions& gl) :
radarView_(radarView),
gl_(gl),
shaderProgram_(gl),
uMVPMatrixLocation_(GL_INVALID_INDEX),
uMapScreenCoordLocation_(GL_INVALID_INDEX),
vbo_ {GL_INVALID_INDEX},
vao_ {GL_INVALID_INDEX},
scale_ {0.0},
bearing_ {0.0},
numVertices_ {0}
{
}
~RadarLayerImpl() = default;
std::shared_ptr<QMapboxGL> map_;
OpenGLFunctions& gl_;
std::shared_ptr<view::RadarView> radarView_;
OpenGLFunctions& gl_;
ShaderProgram shaderProgram_;
GLint uMVPMatrixLocation_;
@ -54,14 +50,12 @@ public:
GLuint vbo_;
GLuint vao_;
double scale_;
double bearing_;
GLsizeiptr numVertices_;
};
RadarLayer::RadarLayer(std::shared_ptr<QMapboxGL> map, OpenGLFunctions& gl) :
p(std::make_unique<RadarLayerImpl>(map, gl))
RadarLayer::RadarLayer(std::shared_ptr<view::RadarView> radarView,
OpenGLFunctions& gl) :
p(std::make_unique<RadarLayerImpl>(radarView, gl))
{
}
RadarLayer::~RadarLayer() = default;
@ -95,95 +89,7 @@ void RadarLayer::initialize()
<< logPrefix_ << "Could not find uMapScreenCoord";
}
// Calculate coordinates
static std::array<GLfloat, MAX_RADIALS * MAX_DATA_MOMENT_GATES * 2>
coordinates;
GeographicLib::Geodesic geodesic(GeographicLib::Constants::WGS84_a(),
GeographicLib::Constants::WGS84_f());
const QMapbox::Coordinate radar(38.6986, -90.6828);
auto radialGates =
boost::irange<uint32_t>(0, MAX_RADIALS * MAX_DATA_MOMENT_GATES);
timer.start();
std::for_each(
std::execution::par_unseq,
radialGates.begin(),
radialGates.end(),
[&](uint32_t radialGate) {
const uint16_t gate =
static_cast<uint16_t>(radialGate % MAX_DATA_MOMENT_GATES);
const uint16_t radial =
static_cast<uint16_t>(radialGate / MAX_DATA_MOMENT_GATES);
const float angle = radial * 0.5f - 0.25f;
const float range = (gate + 1) * 250.0f;
const size_t offset = radialGate * 2;
double latitude;
double longitude;
geodesic.Direct(
radar.first, radar.second, angle, range, latitude, longitude);
coordinates[offset] = latitude;
coordinates[offset + 1] = longitude;
});
timer.stop();
BOOST_LOG_TRIVIAL(debug)
<< logPrefix_ << "Coordinates calculated in " << timer.format(6, "%ws");
// Calculate vertices
static std::array<GLfloat, MAX_RADIALS * MAX_DATA_MOMENT_GATES * 6 * 2>
vertices;
GLsizeiptr index = 0;
timer.start();
for (uint16_t radial = 0; radial < 720; ++radial)
{
const float dataMomentRange = 2.125f * 1000.0f;
const float dataMomentInterval = 0.25f * 1000.0f;
const float dataMomentIntervalH = dataMomentInterval * 0.5f;
const float snrThreshold = 2.0f;
const uint16_t startGate = 7;
const uint16_t numberOfDataMomentGates = 1832;
const uint16_t endGate = std::min<uint16_t>(
numberOfDataMomentGates + startGate, MAX_DATA_MOMENT_GATES - 1);
for (uint16_t gate = startGate; gate < endGate; ++gate)
{
size_t offset1 = (radial * MAX_DATA_MOMENT_GATES + gate) * 2;
size_t offset2 = offset1 + 2;
size_t offset3 =
(((radial + 1) % MAX_RADIALS) * MAX_DATA_MOMENT_GATES + gate) * 2;
size_t offset4 = offset3 + 2;
vertices[index++] = coordinates[offset1];
vertices[index++] = coordinates[offset1 + 1];
vertices[index++] = coordinates[offset2];
vertices[index++] = coordinates[offset2 + 1];
vertices[index++] = coordinates[offset3];
vertices[index++] = coordinates[offset3 + 1];
vertices[index++] = coordinates[offset3];
vertices[index++] = coordinates[offset3 + 1];
vertices[index++] = coordinates[offset4];
vertices[index++] = coordinates[offset4 + 1];
vertices[index++] = coordinates[offset2];
vertices[index++] = coordinates[offset2 + 1];
}
break;
}
timer.stop();
BOOST_LOG_TRIVIAL(debug)
<< logPrefix_ << "Vertices calculated in " << timer.format(6, "%ws");
const std::vector<float>& vertices = p->radarView_->vertices();
// Generate a vertex buffer object
gl.glGenBuffers(1, &p->vbo_);
@ -198,7 +104,7 @@ void RadarLayer::initialize()
gl.glBindBuffer(GL_ARRAY_BUFFER, p->vbo_);
timer.start();
gl.glBufferData(GL_ARRAY_BUFFER,
index * sizeof(GLfloat),
vertices.size() * sizeof(GLfloat),
vertices.data(),
GL_STATIC_DRAW);
timer.stop();
@ -210,8 +116,7 @@ void RadarLayer::initialize()
0, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(GLfloat), static_cast<void*>(0));
gl.glEnableVertexAttribArray(0);
p->numVertices_ = index;
p->bearing_ = p->map_->bearing();
p->numVertices_ = vertices.size();
}
void RadarLayer::render(const QMapbox::CustomLayerRenderParameters& params)
@ -220,15 +125,15 @@ void RadarLayer::render(const QMapbox::CustomLayerRenderParameters& params)
p->shaderProgram_.Use();
const float scale =
p->map_->scale() * 2.0f * mbgl::util::tileSize / mbgl::util::DEGREES_MAX;
const float scale = p->radarView_->scale() * 2.0f * mbgl::util::tileSize /
mbgl::util::DEGREES_MAX;
const float xScale = scale / params.width;
const float yScale = scale / params.height;
glm::mat4 uMVPMatrix(1.0f);
uMVPMatrix = glm::scale(uMVPMatrix, glm::vec3(xScale, yScale, 1.0f));
uMVPMatrix = glm::rotate(uMVPMatrix,
glm::radians<float>(params.bearing - p->bearing_),
glm::radians<float>(params.bearing),
glm::vec3(0.0f, 0.0f, 1.0f));
gl.glUniform2fv(p->uMapScreenCoordLocation_,