Method renderSourcePoint_

source/MRViewer/MRRenderLabelObject.cpp:169–213

}

void RenderLabelObject::renderSourcePoint_( const ModelRenderParams& renderParams )
{
    GL_EXEC( glBindVertexArray( srcArrayObjId_ ) );

    auto shader = GLStaticHolder::getShaderId( GLStaticHolder::Points );
    GL_EXEC( glUseProgram( shader ) );

    const std::array<Vector3f, 1> point { objLabel_->getLabel().position };
    bindVertexAttribArray( shader, "position", srcVertPosBuffer_, point, 3, dirtySrc_ );

    constexpr std::array<VertId, 1> pointIndices{ VertId( 0 ) };
    srcIndicesBuffer_.loadDataOpt( GL_ELEMENT_ARRAY_BUFFER, dirtySrc_, pointIndices );

    GL_EXEC( glUniformMatrix4fv( glGetUniformLocation( shader, "model" ), 1, GL_TRUE, renderParams.modelMatrix.data() ) );
    GL_EXEC( glUniformMatrix4fv( glGetUniformLocation( shader, "view" ), 1, GL_TRUE, renderParams.viewMatrix.data() ) );
    GL_EXEC( glUniformMatrix4fv( glGetUniformLocation( shader, "proj" ), 1, GL_TRUE, renderParams.projMatrix.data() ) );

    const auto& mainColor = Vector4f( objLabel_->getSourcePointColor( renderParams.viewportId ) );
    GL_EXEC( glUniform4f( glGetUniformLocation( shader, "mainColor" ), mainColor[0], mainColor[1], mainColor[2], mainColor[3] ) );
    GL_EXEC( glUniform4f( glGetUniformLocation( shader, "backColor" ), mainColor[0], mainColor[1], mainColor[2], mainColor[3] ) );
    GL_EXEC( glUniform1f( glGetUniformLocation( shader, "globalAlpha" ), objLabel_->getGlobalAlpha( renderParams.viewportId ) / 255.0f ) );

    GL_EXEC( glUniform1ui( glGetUniformLocation( shader, "primBucketSize" ), 1 ) );

    // Selection
    GL_EXEC( glActiveTexture( GL_TEXTURE0 ) );
    unsigned selTexture = 0;
    srcIndicesSelectionTex_.loadDataOpt( dirtySrc_,
        { .resolution = {1, 1, 1}, .internalFormat = GL_R32UI, .format = GL_RED_INTEGER, .type= GL_UNSIGNED_INT },
        (const char*)&selTexture );
    GL_EXEC( glUniform1i( glGetUniformLocation( shader, "selection" ), 0 ) );

    getViewerInstance().incrementThisFrameGLPrimitivesCount( Viewer::GLPrimitivesType::PointElementsNum, pointIndices.size() );

#ifdef __EMSCRIPTEN__
    GL_EXEC( glUniform1f( glGetUniformLocation( shader, "pointSize" ), objLabel_->getSourcePointSize() ) );
#else
    GL_EXEC( glPointSize( objLabel_->getSourcePointSize() ) );
#endif
    GL_EXEC( glDepthFunc( getDepthFunctionLEqual( renderParams.depthFunction ) ) );
    GL_EXEC( glDrawElements( GL_POINTS, ( GLsizei )pointIndices.size(), GL_UNSIGNED_INT, 0 ) );
    GL_EXEC( glDepthFunc( getDepthFunctionLEqual( DepthFunction::Default ) ) );

    dirtySrc_ = false;
}

void RenderLabelObject::renderBackground_( const ModelRenderParams& renderParams )
{