| 1 | // Copyright (C) 2023 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QQUICKRHIITEM_H |
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| 5 | #define QQUICKRHIITEM_H |
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| 6 | |
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| 7 | #include <QtQuick/QQuickItem> |
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| 8 | |
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| 9 | QT_BEGIN_NAMESPACE |
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| 10 | |
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| 11 | class QQuickRhiItem; |
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| 12 | class QQuickRhiItemPrivate; |
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| 13 | class QQuickRhiItemNode; |
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| 14 | class QRhi; |
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| 15 | class QRhiCommandBuffer; |
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| 16 | class QRhiTexture; |
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| 17 | class QRhiRenderBuffer; |
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| 18 | class QRhiRenderTarget; |
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| 19 | |
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| 20 | class Q_QUICK_EXPORT QQuickRhiItemRenderer |
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| 21 | { |
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| 22 | public: |
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| 23 | QQuickRhiItemRenderer(); |
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| 24 | virtual ~QQuickRhiItemRenderer(); |
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| 25 | |
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| 26 | protected: |
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| 27 | virtual void initialize(QRhiCommandBuffer *cb) = 0; |
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| 28 | virtual void synchronize(QQuickRhiItem *item) = 0; |
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| 29 | virtual void render(QRhiCommandBuffer *cb) = 0; |
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| 30 | |
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| 31 | void update(); |
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| 32 | |
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| 33 | QRhi *rhi() const; |
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| 34 | QRhiTexture *colorTexture() const; |
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| 35 | QRhiRenderBuffer *msaaColorBuffer() const; |
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| 36 | QRhiTexture *resolveTexture() const; |
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| 37 | QRhiRenderBuffer *depthStencilBuffer() const; |
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| 38 | QRhiRenderTarget *renderTarget() const; |
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| 39 | |
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| 40 | private: |
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| 41 | QQuickRhiItemNode *node; |
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| 42 | friend class QQuickRhiItem; |
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| 43 | friend class QQuickRhiItemNode; |
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| 44 | |
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| 45 | Q_DISABLE_COPY_MOVE(QQuickRhiItemRenderer) |
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| 46 | }; |
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| 47 | |
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| 48 | class Q_QUICK_EXPORT QQuickRhiItem : public QQuickItem |
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| 49 | { |
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| 50 | Q_OBJECT |
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| 51 | Q_DECLARE_PRIVATE(QQuickRhiItem) |
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| 52 | |
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| 53 | Q_PROPERTY(int sampleCount READ sampleCount WRITE setSampleCount NOTIFY sampleCountChanged FINAL) |
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| 54 | Q_PROPERTY(TextureFormat colorBufferFormat READ colorBufferFormat WRITE setColorBufferFormat NOTIFY colorBufferFormatChanged FINAL) |
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| 55 | Q_PROPERTY(bool mirrorVertically READ isMirrorVerticallyEnabled WRITE setMirrorVertically NOTIFY mirrorVerticallyChanged FINAL) |
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| 56 | Q_PROPERTY(bool alphaBlending READ alphaBlending WRITE setAlphaBlending NOTIFY alphaBlendingChanged FINAL) |
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| 57 | Q_PROPERTY(int fixedColorBufferWidth READ fixedColorBufferWidth WRITE setFixedColorBufferWidth NOTIFY fixedColorBufferWidthChanged FINAL) |
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| 58 | Q_PROPERTY(int fixedColorBufferHeight READ fixedColorBufferHeight WRITE setFixedColorBufferHeight NOTIFY fixedColorBufferHeightChanged FINAL) |
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| 59 | Q_PROPERTY(QSize effectiveColorBufferSize READ effectiveColorBufferSize NOTIFY effectiveColorBufferSizeChanged FINAL) |
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| 60 | |
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| 61 | public: |
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| 62 | enum class TextureFormat { |
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| 63 | RGBA8, |
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| 64 | RGBA16F, |
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| 65 | RGBA32F, |
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| 66 | RGB10A2 |
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| 67 | }; |
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| 68 | Q_ENUM(TextureFormat) |
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| 69 | |
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| 70 | explicit QQuickRhiItem(QQuickItem *parent = nullptr); |
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| 71 | ~QQuickRhiItem() override; |
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| 72 | |
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| 73 | int sampleCount() const; |
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| 74 | void setSampleCount(int samples); |
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| 75 | |
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| 76 | TextureFormat colorBufferFormat() const; |
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| 77 | void setColorBufferFormat(TextureFormat format); |
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| 78 | |
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| 79 | bool isMirrorVerticallyEnabled() const; |
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| 80 | void setMirrorVertically(bool enable); |
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| 81 | |
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| 82 | bool alphaBlending() const; |
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| 83 | void setAlphaBlending(bool enable); |
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| 84 | |
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| 85 | int fixedColorBufferWidth() const; |
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| 86 | void setFixedColorBufferWidth(int width); |
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| 87 | int fixedColorBufferHeight() const; |
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| 88 | void setFixedColorBufferHeight(int height); |
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| 89 | |
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| 90 | QSize effectiveColorBufferSize() const; |
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| 91 | |
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| 92 | bool isTextureProvider() const override; |
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| 93 | QSGTextureProvider *textureProvider() const override; |
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| 94 | |
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| 95 | Q_SIGNALS: |
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| 96 | void sampleCountChanged(); |
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| 97 | void colorBufferFormatChanged(); |
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| 98 | void autoRenderTargetChanged(); |
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| 99 | void mirrorVerticallyChanged(); |
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| 100 | void alphaBlendingChanged(); |
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| 101 | void fixedColorBufferWidthChanged(); |
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| 102 | void fixedColorBufferHeightChanged(); |
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| 103 | void effectiveColorBufferSizeChanged(); |
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| 104 | |
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| 105 | protected: |
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| 106 | virtual QQuickRhiItemRenderer *createRenderer() = 0; |
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| 107 | |
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| 108 | bool isAutoRenderTargetEnabled() const; |
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| 109 | void setAutoRenderTarget(bool enabled); |
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| 110 | |
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| 111 | QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *) override; |
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| 112 | bool event(QEvent *) override; |
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| 113 | void geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry) override; |
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| 114 | void releaseResources() override; |
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| 115 | |
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| 116 | private Q_SLOTS: |
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| 117 | void invalidateSceneGraph(); |
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| 118 | |
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| 119 | friend class QQuickRhiItemNode; |
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| 120 | }; |
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| 121 | |
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| 122 | QT_END_NAMESPACE |
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| 123 | |
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| 124 | #endif // QQUICKRHIITEM_H |
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| 125 | |
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