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Use GLEW instead of QOpenGLFunctions

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This commit is contained in:
Dan Paulat 2025-07-07 22:44:01 -05:00
parent 4bd749d976
commit 331b2d855f
33 changed files with 788 additions and 959 deletions
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162
scwx-qt/source/scwx/qt/gl/draw/geo_lines.cpp
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@ -130,7 +130,7 @@ public:
};
GeoLines::GeoLines(std::shared_ptr<GlContext> context) :
DrawItem(context->gl()), p(std::make_unique<Impl>(context))
DrawItem(), p(std::make_unique<Impl>(context))
{
}
GeoLines::~GeoLines() = default;
@ -151,8 +151,6 @@ void GeoLines::set_thresholded(bool thresholded)
void GeoLines::Initialize()
{
gl::OpenGLFunctions& gl = p->context_->gl();
p->shaderProgram_ = p->context_->GetShaderProgram(
{{GL_VERTEX_SHADER, ":/gl/geo_texture2d.vert"},
{GL_GEOMETRY_SHADER, ":/gl/threshold.geom"},
@ -167,78 +165,78 @@ void GeoLines::Initialize()
p->uSelectedTimeLocation_ =
p->shaderProgram_->GetUniformLocation("uSelectedTime");
gl.glGenVertexArrays(1, &p->vao_);
gl.glGenBuffers(static_cast<GLsizei>(p->vbo_.size()), p->vbo_.data());
glGenVertexArrays(1, &p->vao_);
glGenBuffers(static_cast<GLsizei>(p->vbo_.size()), p->vbo_.data());
gl.glBindVertexArray(p->vao_);
gl.glBindBuffer(GL_ARRAY_BUFFER, p->vbo_[0]);
gl.glBufferData(GL_ARRAY_BUFFER,
sizeof(float) * kLineBufferLength_,
nullptr,
GL_DYNAMIC_DRAW);
glBindVertexArray(p->vao_);
glBindBuffer(GL_ARRAY_BUFFER, p->vbo_[0]);
glBufferData(GL_ARRAY_BUFFER,
sizeof(float) * kLineBufferLength_,
nullptr,
GL_DYNAMIC_DRAW);
// aLatLong
gl.glVertexAttribPointer(0,
2,
GL_FLOAT,
GL_FALSE,
kPointsPerVertex * sizeof(float),
static_cast<void*>(0));
gl.glEnableVertexAttribArray(0);
glVertexAttribPointer(0,
2,
GL_FLOAT,
GL_FALSE,
kPointsPerVertex * sizeof(float),
static_cast<void*>(0));
glEnableVertexAttribArray(0);
// aXYOffset
gl.glVertexAttribPointer(1,
2,
GL_FLOAT,
GL_FALSE,
kPointsPerVertex * sizeof(float),
reinterpret_cast<void*>(2 * sizeof(float)));
gl.glEnableVertexAttribArray(1);
glVertexAttribPointer(1,
2,
GL_FLOAT,
GL_FALSE,
kPointsPerVertex * sizeof(float),
reinterpret_cast<void*>(2 * sizeof(float)));
glEnableVertexAttribArray(1);
// aModulate
gl.glVertexAttribPointer(3,
4,
GL_FLOAT,
GL_FALSE,
kPointsPerVertex * sizeof(float),
reinterpret_cast<void*>(4 * sizeof(float)));
gl.glEnableVertexAttribArray(3);
glVertexAttribPointer(3,
4,
GL_FLOAT,
GL_FALSE,
kPointsPerVertex * sizeof(float),
reinterpret_cast<void*>(4 * sizeof(float)));
glEnableVertexAttribArray(3);
// aAngle
gl.glVertexAttribPointer(4,
1,
GL_FLOAT,
GL_FALSE,
kPointsPerVertex * sizeof(float),
reinterpret_cast<void*>(8 * sizeof(float)));
gl.glEnableVertexAttribArray(4);
glVertexAttribPointer(4,
1,
GL_FLOAT,
GL_FALSE,
kPointsPerVertex * sizeof(float),
reinterpret_cast<void*>(8 * sizeof(float)));
glEnableVertexAttribArray(4);
gl.glBindBuffer(GL_ARRAY_BUFFER, p->vbo_[1]);
gl.glBufferData(GL_ARRAY_BUFFER, 0u, nullptr, GL_DYNAMIC_DRAW);
glBindBuffer(GL_ARRAY_BUFFER, p->vbo_[1]);
glBufferData(GL_ARRAY_BUFFER, 0u, nullptr, GL_DYNAMIC_DRAW);
// aThreshold
gl.glVertexAttribIPointer(5, //
1,
GL_INT,
kIntegersPerVertex_ * sizeof(GLint),
static_cast<void*>(0));
gl.glEnableVertexAttribArray(5);
glVertexAttribIPointer(5, //
1,
GL_INT,
kIntegersPerVertex_ * sizeof(GLint),
static_cast<void*>(0));
glEnableVertexAttribArray(5);
// aTimeRange
gl.glVertexAttribIPointer(6, //
2,
GL_INT,
kIntegersPerVertex_ * sizeof(GLint),
reinterpret_cast<void*>(1 * sizeof(GLint)));
gl.glEnableVertexAttribArray(6);
glVertexAttribIPointer(6, //
2,
GL_INT,
kIntegersPerVertex_ * sizeof(GLint),
reinterpret_cast<void*>(1 * sizeof(GLint)));
glEnableVertexAttribArray(6);
// aDisplayed
gl.glVertexAttribIPointer(7,
1,
GL_INT,
kIntegersPerVertex_ * sizeof(GLint),
reinterpret_cast<void*>(3 * sizeof(GLint)));
gl.glEnableVertexAttribArray(7);
glVertexAttribIPointer(7,
1,
GL_INT,
kIntegersPerVertex_ * sizeof(GLint),
reinterpret_cast<void*>(3 * sizeof(GLint)));
glEnableVertexAttribArray(7);
p->dirty_ = true;
}
@ -254,9 +252,7 @@ void GeoLines::Render(const QMapLibre::CustomLayerRenderParameters& params)
if (p->newLineList_.size() > 0)
{
gl::OpenGLFunctions& gl = p->context_->gl();
gl.glBindVertexArray(p->vao_);
glBindVertexArray(p->vao_);
p->Update();
p->shaderProgram_->Use();
@ -269,12 +265,12 @@ void GeoLines::Render(const QMapLibre::CustomLayerRenderParameters& params)
// If thresholding is enabled, set the map distance
units::length::nautical_miles<float> mapDistance =
util::maplibre::GetMapDistance(params);
gl.glUniform1f(p->uMapDistanceLocation_, mapDistance.value());
glUniform1f(p->uMapDistanceLocation_, mapDistance.value());
}
else
{
// If thresholding is disabled, set the map distance to 0
gl.glUniform1f(p->uMapDistanceLocation_, 0.0f);
glUniform1f(p->uMapDistanceLocation_, 0.0f);
}
// Selected time
@ -282,26 +278,24 @@ void GeoLines::Render(const QMapLibre::CustomLayerRenderParameters& params)
(p->selectedTime_ == std::chrono::system_clock::time_point {}) ?
std::chrono::system_clock::now() :
p->selectedTime_;
gl.glUniform1i(
glUniform1i(
p->uSelectedTimeLocation_,
static_cast<GLint>(std::chrono::duration_cast<std::chrono::minutes>(
selectedTime.time_since_epoch())
.count()));
// Draw icons
gl.glDrawArrays(GL_TRIANGLES,
0,
static_cast<GLsizei>(p->currentLineList_.size() *
kVerticesPerRectangle));
glDrawArrays(GL_TRIANGLES,
0,
static_cast<GLsizei>(p->currentLineList_.size() *
kVerticesPerRectangle));
}
}
void GeoLines::Deinitialize()
{
gl::OpenGLFunctions& gl = p->context_->gl();
gl.glDeleteVertexArrays(1, &p->vao_);
gl.glDeleteBuffers(static_cast<GLsizei>(p->vbo_.size()), p->vbo_.data());
glDeleteVertexArrays(1, &p->vao_);
glDeleteBuffers(static_cast<GLsizei>(p->vbo_.size()), p->vbo_.data());
std::unique_lock lock {p->lineMutex_};
@ -671,21 +665,19 @@ void GeoLines::Impl::Update()
// If the lines have been updated
if (dirty_)
{
gl::OpenGLFunctions& gl = context_->gl();
// Buffer lines data
gl.glBindBuffer(GL_ARRAY_BUFFER, vbo_[0]);
gl.glBufferData(GL_ARRAY_BUFFER,
sizeof(float) * currentLinesBuffer_.size(),
currentLinesBuffer_.data(),
GL_DYNAMIC_DRAW);
glBindBuffer(GL_ARRAY_BUFFER, vbo_[0]);
glBufferData(GL_ARRAY_BUFFER,
sizeof(float) * currentLinesBuffer_.size(),
currentLinesBuffer_.data(),
GL_DYNAMIC_DRAW);
// Buffer threshold data
gl.glBindBuffer(GL_ARRAY_BUFFER, vbo_[1]);
gl.glBufferData(GL_ARRAY_BUFFER,
sizeof(GLint) * currentIntegerBuffer_.size(),
currentIntegerBuffer_.data(),
GL_DYNAMIC_DRAW);
glBindBuffer(GL_ARRAY_BUFFER, vbo_[1]);
glBufferData(GL_ARRAY_BUFFER,
sizeof(GLint) * currentIntegerBuffer_.size(),
currentIntegerBuffer_.data(),
GL_DYNAMIC_DRAW);
}
dirty_ = false;