elevationmaterial.h

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// SPDX-FileCopyrightText: 2025 Pier Luigi Fiorini <pierluigi.fiorini@gmail.com>
// SPDX-FileCopyrightText: 2024-2025 hypengw <hypengwip@gmail.com>
// SPDX-License-Identifier: MPL-2.0
 
#pragma once
 
#include <QSGMaterial>
 
namespace Fluid::SceneGraph {
 
class ElevationMaterial : public QSGMaterial
{
public:
    ElevationMaterial();
    ~ElevationMaterial();
 
    QSGMaterialShader *createShader(QSGRendererInterface::RenderMode) const override;
    QSGMaterialType *type() const override;
    int compare(const QSGMaterial *other) const override;
 
    void init_fadeoff_texture(QQuickWindow *win);
    auto strength_texture() -> QSGTexture *;
 
private:
    QSGTexture *m_fadeoff_texture;
};
 
class ElevationShader : public QSGMaterialShader
{
public:
    ElevationShader();
 
    bool updateUniformData(QSGMaterialShader::RenderState &state, QSGMaterial *newMaterial,
                           QSGMaterial *oldMaterial) override;
 
    void updateSampledImage(RenderState &, int binding, QSGTexture **texture,
                            QSGMaterial *newMaterial, QSGMaterial *) override;
};
 
} // namespace Fluid::SceneGraph