Method bindPoints_

source/MRViewer/MRRenderPointsObject.cpp:263–306

void RenderPointsObject::bindPoints_( GLStaticHolder::ShaderType shaderType )
{
    MR_TIMER;
    auto shader = GLStaticHolder::getShaderId( shaderType );
    GL_EXEC( glBindVertexArray( pointsArrayObjId_ ) );
    GL_EXEC( glUseProgram( shader ) );
    if ( objPoints_->hasVisualRepresentation() )
    {
        auto pointCloud = objPoints_->pointCloud();

        const auto positions = loadVertPosBuffer_();
        bindVertexAttribArray( shader, "position", vertPosBuffer_, positions, 3, positions.dirty(), positions.glSize() != 0 );

        const auto normals = loadVertNormalsBuffer_();
        bindVertexAttribArray( shader, "normal", vertNormalsBuffer_, normals, 3, normals.dirty(), normals.glSize() != 0 );
        hasNormalsBackup_ = !pointCloud->normals.empty();
    }
    else
    {
        bindVertexAttribArray( shader, "position", vertPosBuffer_, std::vector<Vector3f>{}, 3, false, vertPosBuffer_.size() != 0 );
        bindVertexAttribArray( shader, "normal", vertNormalsBuffer_, std::vector<Vector3f>{}, 3, false, vertNormalsBuffer_.size() != 0 );
    }

    const auto colors = loadVertColorsBuffer_();
    bindVertexAttribArray( shader, "K", vertColorsBuffer_, colors, 4, colors.dirty(), colors.glSize() != 0 );

    auto validIndices = loadValidIndicesBuffer_();
    validIndicesBuffer_.loadDataOpt( GL_ELEMENT_ARRAY_BUFFER, validIndices.dirty(), validIndices );

    // Selection
    GL_EXEC( glActiveTexture( GL_TEXTURE0 ) );
    auto vertSelectionTexture = loadVertSelectionTextureBuffer_();
    vertSelectionTex_.loadDataOpt( vertSelectionTexture.dirty(),
        {
            .resolution = GlTexture2::ToResolution( vertSelectionTextureSize_ ),
            .internalFormat = GL_R32UI,
            .format = GL_RED_INTEGER,
            .type = GL_UNSIGNED_INT
        },
        vertSelectionTexture );
    GL_EXEC( glUniform1i( glGetUniformLocation( shader, "selection" ), 0 ) );

    dirty_ &= ~DIRTY_MESH;
}

void RenderPointsObject::bindPointsPicker_()
{