renderviewport.h

Go to the documentation of this file.

/*
    SPDX-FileCopyrightText: 2023 Xaver Hugl <xaver.hugl@gmail.com>
 
    SPDX-License-Identifier: GPL-2.0-or-later
*/
 
#pragma once
 
#include "core/output.h"
 
#include <QMatrix4x4>
#include <QRectF>
#include <QRegion>
 
namespace KWin
{
 
class RenderTarget;
 
class KWIN_EXPORT RenderViewport
{
public:
    explicit RenderViewport(const QRectF &renderRect, double scale, const RenderTarget &renderTarget);
 
    QMatrix4x4 projectionMatrix() const;
    QRectF renderRect() const;
    double scale() const;
 
    QRectF mapToRenderTarget(const QRectF &logicalGeometry) const;
    QRect mapToRenderTarget(const QRect &logicalGeometry) const;
    QPoint mapToRenderTarget(const QPoint &logicalGeometry) const;
    QPointF mapToRenderTarget(const QPointF &logicalGeometry) const;
    QRegion mapToRenderTarget(const QRegion &logicalGeometry) const;
 
    QRectF mapToRenderTargetTexture(const QRectF &logicalGeometry) const;
    QRect mapToRenderTargetTexture(const QRect &logicalGeometry) const;
    QPoint mapToRenderTargetTexture(const QPoint &logicalGeometry) const;
    QPointF mapToRenderTargetTexture(const QPointF &logicalGeometry) const;
    QRegion mapToRenderTargetTexture(const QRegion &logicalGeometry) const;
 
private:
    const OutputTransform m_transform;
    const QSize m_transformBounds;
    const QRectF m_renderRect;
    const QRect m_deviceRenderRect;
    const QMatrix4x4 m_projectionMatrix;
    const double m_scale;
};
 
} // namespace KWin