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This commit is contained in:
Dan Paulat 2021-11-27 10:35:25 -06:00
parent 8b515dd3d2
commit 9ff6eabd2a
6 changed files with 81 additions and 9 deletions
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41
scwx-qt/source/scwx/qt/map/overlay_layer.cpp
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@ -56,7 +56,7 @@ public:
gl::ShaderProgram shaderProgram_;
GLint uMVPMatrixLocation_;
GLint uColorLocation_;
GLuint vbo_;
std::array<GLuint, 2> vbo_;
GLuint vao_;
GLuint texture_;
@ -108,12 +108,20 @@ void OverlayLayer::initialize()
gl.glGenVertexArrays(1, &p->vao_);
// Generate vertex buffer objects
gl.glGenBuffers(1, &p->vbo_);
gl.glGenBuffers(static_cast<GLsizei>(p->vbo_.size()), p->vbo_.data());
gl.glBindVertexArray(p->vao_);
// Active box (dynamic sized)
gl.glBindBuffer(GL_ARRAY_BUFFER, p->vbo_[0]);
gl.glBufferData(
GL_ARRAY_BUFFER, sizeof(float) * 5 * 2, nullptr, GL_DYNAMIC_DRAW);
gl.glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, static_cast<void*>(0));
gl.glEnableVertexAttribArray(0);
// Upper right panel (dynamic sized)
gl.glBindBuffer(GL_ARRAY_BUFFER, p->vbo_);
gl.glBindBuffer(GL_ARRAY_BUFFER, p->vbo_[1]);
gl.glBufferData(
GL_ARRAY_BUFFER, sizeof(float) * 6 * 2, nullptr, GL_DYNAMIC_DRAW);
@ -160,6 +168,27 @@ void OverlayLayer::render(const QMapbox::CustomLayerRenderParameters& params)
gl.glUniformMatrix4fv(
p->uMVPMatrixLocation_, 1, GL_FALSE, glm::value_ptr(projection));
if (p->radarProductView_->IsActive())
{
const float vertexLX = 1.0f;
const float vertexRX = static_cast<float>(params.width) - 1.0f;
const float vertexTY = static_cast<float>(params.height) - 1.0f;
const float vertexBY = 1.0f;
const float vertices[5][2] = {{vertexLX, vertexTY}, // TL
{vertexLX, vertexBY}, // BL
{vertexRX, vertexBY}, // BR
{vertexRX, vertexTY}, // TR
{vertexLX, vertexTY}}; // TL
// Draw vertices
gl.glBindVertexArray(p->vao_);
gl.glBindBuffer(GL_ARRAY_BUFFER, p->vbo_[0]);
gl.glVertexAttribPointer(
0, 2, GL_FLOAT, GL_FALSE, 0, static_cast<void*>(0));
gl.glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(vertices), vertices);
gl.glDrawArrays(GL_LINE_STRIP, 0, 5);
}
if (p->sweepTimeString_.length() > 0)
{
const float fontSize = 16.0f;
@ -182,7 +211,9 @@ void OverlayLayer::render(const QMapbox::CustomLayerRenderParameters& params)
// Draw vertices
gl.glBindVertexArray(p->vao_);
gl.glBindBuffer(GL_ARRAY_BUFFER, p->vbo_);
gl.glBindBuffer(GL_ARRAY_BUFFER, p->vbo_[1]);
gl.glVertexAttribPointer(
0, 2, GL_FLOAT, GL_FALSE, 0, static_cast<void*>(0));
gl.glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(vertices), vertices);
gl.glDrawArrays(GL_TRIANGLES, 0, 6);
@ -209,7 +240,7 @@ void OverlayLayer::deinitialize()
BOOST_LOG_TRIVIAL(debug) << logPrefix_ << "deinitialize()";
gl.glDeleteVertexArrays(1, &p->vao_);
gl.glDeleteBuffers(1, &p->vbo_);
gl.glDeleteBuffers(static_cast<GLsizei>(p->vbo_.size()), p->vbo_.data());
gl.glDeleteTextures(1, &p->texture_);
p->uMVPMatrixLocation_ = GL_INVALID_INDEX;