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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef QRHIWIDGET_H
#define QRHIWIDGET_H
#include <QtWidgets/qwidget.h>
QT_BEGIN_NAMESPACE
class QRhiWidgetPrivate;
class QRhi;
class QRhiTexture;
class QRhiRenderBuffer;
class QRhiTextureRenderTarget;
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 textureFormat READ textureFormat WRITE setTextureFormat NOTIFY textureFormatChanged)
Q_PROPERTY(bool autoRenderTarget READ isAutoRenderTargetEnabled WRITE setAutoRenderTarget NOTIFY autoRenderTargetChanged)
Q_PROPERTY(QSize explicitSize READ explicitSize WRITE setExplicitSize NOTIFY explicitSizeChanged)
Q_PROPERTY(bool mirrorVertically READ isMirrorVerticallyEnabled WRITE setMirrorVertically NOTIFY mirrorVerticallyChanged)
public:
QRhiWidget(QWidget *parent = nullptr, Qt::WindowFlags f = {});
~QRhiWidget();
enum class Api {
OpenGL,
Metal,
Vulkan,
D3D11,
D3D12,
Null
};
Q_ENUM(Api)
enum class TextureFormat {
RGBA8,
RGBA16F,
RGBA32F,
RGB10A2
};
Q_ENUM(TextureFormat)
Api api() const;
void setApi(Api api);
bool isDebugLayerEnabled() const;
void setDebugLayer(bool enable);
int sampleCount() const;
void setSampleCount(int samples);
TextureFormat textureFormat() const;
void setTextureFormat(TextureFormat format);
QSize explicitSize() const;
void setExplicitSize(const QSize &pixelSize);
void setExplicitSize(int w, int h) { setExplicitSize(QSize(w, h)); }
bool isAutoRenderTargetEnabled() const;
void setAutoRenderTarget(bool enabled);
bool isMirrorVerticallyEnabled() const;
void setMirrorVertically(bool enabled);
QImage grab();
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;
QRhiTextureRenderTarget *renderTarget() const;
Q_SIGNALS:
void frameSubmitted();
void renderFailed();
void sampleCountChanged(int samples);
void textureFormatChanged(TextureFormat format);
void autoRenderTargetChanged(bool enabled);
void explicitSizeChanged(const QSize &pixelSize);
void mirrorVerticallyChanged(bool enabled);
protected:
void resizeEvent(QResizeEvent *e) override;
void paintEvent(QPaintEvent *e) override;
bool event(QEvent *e) override;
};
QT_END_NAMESPACE
#endif
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