OpenSpace/modules/spout/renderableplanespout.cpp

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 * OpenSpace                                                                             *
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 * Copyright (c) 2014-2023                                                               *
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#ifdef WIN32

#include <modules/spout/renderableplanespout.h>

#include <openspace/documentation/documentation.h>
#include <openspace/documentation/verifier.h>
#include <ghoul/logging/logmanager.h>
#include <optional>

namespace {
    constexpr std::string_view LoggerCat = "ScreenSpaceSpout";

    constexpr openspace::properties::Property::PropertyInfo NameInfo = {
        "SpoutName",
        "Spout Sender Name",
        "This value explicitly sets the Spout receiver to use a specific name. If this "
        "is not a valid name, an empty image is used",
        openspace::properties::Property::Visibility::AdvancedUser
    };

    constexpr openspace::properties::Property::PropertyInfo SelectionInfo = {
        "SpoutSelection",
        "Spout Selection",
        "This property displays all available Spout sender on the system. If one them is "
        "selected, its value is stored in the 'SpoutName' property, overwriting its "
        "previous value",
        openspace::properties::Property::Visibility::AdvancedUser
    };

    constexpr openspace::properties::Property::PropertyInfo UpdateInfo = {
        "UpdateSelection",
        "Update Selection",
        "If this property is trigged, the 'SpoutSelection' options will be refreshed",
        openspace::properties::Property::Visibility::AdvancedUser
    };

    struct [[codegen::Dictionary(RenderablePlaneSpout)]] Parameters {
        // [[codegen::verbatim(NameInfo.description)]]
        std::optional<std::string> spoutName;
    };
#include "renderableplanespout_codegen.cpp"

} // namespace

namespace openspace {

documentation::Documentation RenderablePlaneSpout::Documentation() {
    return codegen::doc<Parameters>("spout_screenspace_spout");
}

RenderablePlaneSpout::RenderablePlaneSpout(const ghoul::Dictionary& dictionary)
    : RenderablePlane(dictionary)
    , _spoutReceiver(*this, dictionary)
{
    const Parameters p = codegen::bake<Parameters>(dictionary);

    int iIdentifier = 0;
    if (_identifier.empty()) {
        static int id = 0;
        iIdentifier = id;

        if (iIdentifier == 0) {
            setIdentifier("RenderablePlaneSpout");
        }
        else {
            setIdentifier("RenderablePlaneSpout" + std::to_string(iIdentifier));
        }
        ++id;
    }

    if (_guiName.empty()) {
        // Adding an extra space to the user-facing name as it looks nicer
        setGuiName("RenderablePlaneSpout " + std::to_string(iIdentifier));
    }
}

void RenderablePlaneSpout::deinitializeGL() {
    _spoutReceiver.release();

    RenderablePlane::deinitializeGL();
}

void RenderablePlaneSpout::update(const UpdateData& data) {
    RenderablePlane::update(data);
    _spoutReceiver.updateReceiver();
}

void RenderablePlaneSpout::bindTexture() {
    if (_spoutReceiver.isReceiving()) {
        _spoutReceiver.saveGLTextureState();
        glBindTexture(GL_TEXTURE_2D, static_cast<GLuint>(_spoutReceiver.spoutTexture()));
    }
    else {
        RenderablePlane::bindTexture();
    }
}

void RenderablePlaneSpout::unbindTexture() {
    if (_spoutReceiver.isReceiving()) {
        _spoutReceiver.restoreGLTextureState();
    }
    else {
        RenderablePlane::unbindTexture();
    }
}

} // namespace openspace

#endif // WIN32