1// Copyright (C) 2016 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QSGSOFTWARECONTEXT_H
5#define QSGSOFTWARECONTEXT_H
6
7//
8// W A R N I N G
9// -------------
10//
11// This file is not part of the Qt API. It exists purely as an
12// implementation detail. This header file may change from version to
13// version without notice, or even be removed.
14//
15// We mean it.
16//
17
18#include <private/qsgcontext_p.h>
19#include <private/qsgadaptationlayer_p.h>
20#include "qsgrendererinterface.h"
21
22Q_DECLARE_LOGGING_CATEGORY(QSG_RASTER_LOG_TIME_RENDERLOOP)
23Q_DECLARE_LOGGING_CATEGORY(QSG_RASTER_LOG_TIME_COMPILATION)
24Q_DECLARE_LOGGING_CATEGORY(QSG_RASTER_LOG_TIME_TEXTURE)
25Q_DECLARE_LOGGING_CATEGORY(QSG_RASTER_LOG_TIME_GLYPH)
26Q_DECLARE_LOGGING_CATEGORY(QSG_RASTER_LOG_TIME_RENDERER)
27Q_DECLARE_LOGGING_CATEGORY(QSG_RASTER_LOG_INFO)
28Q_DECLARE_LOGGING_CATEGORY(QSG_RASTER_LOG_RENDERLOOP)
29
30QT_BEGIN_NAMESPACE
31
32class QSGSoftwareRenderContext : public QSGRenderContext
33{
34 Q_OBJECT
35public:
36 QSGSoftwareRenderContext(QSGContext *ctx);
37 void initializeIfNeeded();
38 void invalidate() override;
39 void renderNextFrame(QSGRenderer *renderer) override;
40 QSGTexture *createTexture(const QImage &image, uint flags = CreateTexture_Alpha) const override;
41 QSGRenderer *createRenderer(QSGRendererInterface::RenderMode) override;
42 int maxTextureSize() const override;
43
44 bool m_initialized;
45 QPainter *m_activePainter;
46};
47
48class QSGSoftwareContext : public QSGContext, public QSGRendererInterface
49{
50 Q_OBJECT
51public:
52 explicit QSGSoftwareContext(QObject *parent = nullptr);
53
54 QSGRenderContext *createRenderContext() override { return new QSGSoftwareRenderContext(this); }
55 QSGInternalRectangleNode *createInternalRectangleNode() override;
56 QSGInternalImageNode *createInternalImageNode(QSGRenderContext *renderContext) override;
57 QSGPainterNode *createPainterNode(QQuickPaintedItem *item) override;
58 QSGGlyphNode *createGlyphNode(QSGRenderContext *rc, bool preferNativeGlyphNode, int renderTypeQuality) override;
59 QSGLayer *createLayer(QSGRenderContext *renderContext) override;
60 QSurfaceFormat defaultSurfaceFormat() const override;
61 QSGRendererInterface *rendererInterface(QSGRenderContext *renderContext) override;
62 QSGRectangleNode *createRectangleNode() override;
63 QSGImageNode *createImageNode() override;
64 QSGNinePatchNode *createNinePatchNode() override;
65#if QT_CONFIG(quick_sprite)
66 QSGSpriteNode *createSpriteNode() override;
67#endif
68
69 GraphicsApi graphicsApi() const override;
70 ShaderType shaderType() const override;
71 ShaderCompilationTypes shaderCompilationType() const override;
72 ShaderSourceTypes shaderSourceType() const override;
73 void *getResource(QQuickWindow *window, Resource resource) const override;
74};
75
76QT_END_NAMESPACE
77
78#endif // QSGSOFTWARECONTEXT_H
79

source code of qtdeclarative/src/quick/scenegraph/adaptations/software/qsgsoftwarecontext_p.h