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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QRHIWIDGET_H
#define QRHIWIDGET_H
#include <QtWidgets/qwidget.h>
QT_BEGIN_NAMESPACE
class QRhiWidgetPrivate;
class QRhi;
class QRhiTexture;
class QRhiRenderBuffer;
class QRhiRenderTarget;
class QRhiCommandBuffer;
class Q_WIDGETS_EXPORT QRhiWidget : public QWidget
{
Q_OBJECT
Q_DECLARE_PRIVATE(QRhiWidget)
Q_PROPERTY(int sampleCount READ sampleCount WRITE setSampleCount NOTIFY sampleCountChanged)
Q_PROPERTY(TextureFormat colorBufferFormat READ colorBufferFormat WRITE setColorBufferFormat NOTIFY colorBufferFormatChanged)
Q_PROPERTY(QSize fixedColorBufferSize READ fixedColorBufferSize WRITE setFixedColorBufferSize NOTIFY fixedColorBufferSizeChanged)
Q_PROPERTY(bool mirrorVertically READ isMirrorVerticallyEnabled WRITE setMirrorVertically NOTIFY mirrorVerticallyChanged)
QDOC_PROPERTY(bool autoRenderTarget READ isAutoRenderTargetEnabled WRITE setAutoRenderTarget)
public:
explicit QRhiWidget(QWidget *parent = nullptr, Qt::WindowFlags f = {});
~QRhiWidget() override;
enum class Api {
Null,
OpenGL,
Metal,
Vulkan,
Direct3D11,
Direct3D12,
};
Q_ENUM(Api)
enum class TextureFormat {
RGBA8,
RGBA16F,
RGBA32F,
RGB10A2,
};
Q_ENUM(TextureFormat)
Api api() const;
void setApi(Api api);
bool isDebugLayerEnabled() const;
void setDebugLayerEnabled(bool enable);
int sampleCount() const;
void setSampleCount(int samples);
TextureFormat colorBufferFormat() const;
void setColorBufferFormat(TextureFormat format);
QSize fixedColorBufferSize() const;
void setFixedColorBufferSize(QSize pixelSize);
void setFixedColorBufferSize(int w, int h) { setFixedColorBufferSize(QSize(w, h)); }
bool isMirrorVerticallyEnabled() const;
void setMirrorVertically(bool enabled);
QImage grabFramebuffer() const;
protected:
explicit QRhiWidget(QRhiWidgetPrivate &dd, QWidget *parent = nullptr, Qt::WindowFlags f = {});
bool isAutoRenderTargetEnabled() const;
void setAutoRenderTarget(bool enabled);
virtual void initialize(QRhiCommandBuffer *cb);
virtual void render(QRhiCommandBuffer *cb);
virtual void releaseResources();
QRhi *rhi() const;
QRhiTexture *colorTexture() const;
QRhiRenderBuffer *msaaColorBuffer() const;
QRhiTexture *resolveTexture() const;
QRhiRenderBuffer *depthStencilBuffer() const;
QRhiRenderTarget *renderTarget() const;
void resizeEvent(QResizeEvent *e) override;
void paintEvent(QPaintEvent *e) override;
bool event(QEvent *e) override;
Q_SIGNALS:
void frameSubmitted();
void renderFailed();
void sampleCountChanged(int samples);
void colorBufferFormatChanged(TextureFormat format);
void fixedColorBufferSizeChanged(const QSize &pixelSize);
void mirrorVerticallyChanged(bool enabled);
};
QT_END_NAMESPACE
#endif
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