Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/qtdeclarative/src/qtdeclarative/src/quick/scenegraph/qsgdefaultdistancefieldglyphcache_p.h |
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1 | /**************************************************************************** | - | ||||||
2 | ** | - | ||||||
3 | ** Copyright (C) 2016 The Qt Company Ltd. | - | ||||||
4 | ** Contact: https://www.qt.io/licensing/ | - | ||||||
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24 | ** | - | ||||||
25 | ** GNU General Public License Usage | - | ||||||
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35 | ** | - | ||||||
36 | ** $QT_END_LICENSE$ | - | ||||||
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38 | ****************************************************************************/ | - | ||||||
39 | - | |||||||
40 | #ifndef QSGDEFAULTDISTANCEFIELDGLYPHCACHE_H | - | ||||||
41 | #define QSGDEFAULTDISTANCEFIELDGLYPHCACHE_H | - | ||||||
42 | - | |||||||
43 | // | - | ||||||
44 | // W A R N I N G | - | ||||||
45 | // ------------- | - | ||||||
46 | // | - | ||||||
47 | // This file is not part of the Qt API. It exists purely as an | - | ||||||
48 | // implementation detail. This header file may change from version to | - | ||||||
49 | // version without notice, or even be removed. | - | ||||||
50 | // | - | ||||||
51 | // We mean it. | - | ||||||
52 | // | - | ||||||
53 | - | |||||||
54 | #include "qsgadaptationlayer_p.h" | - | ||||||
55 | #include <QtGui/qopenglfunctions.h> | - | ||||||
56 | #include <qopenglshaderprogram.h> | - | ||||||
57 | #include <qopenglbuffer.h> | - | ||||||
58 | #include <qopenglvertexarrayobject.h> | - | ||||||
59 | #include <QtGui/private/qopenglengineshadersource_p.h> | - | ||||||
60 | #include <private/qsgareaallocator_p.h> | - | ||||||
61 | - | |||||||
62 | QT_BEGIN_NAMESPACE | - | ||||||
63 | - | |||||||
64 | class QOpenGLSharedResourceGuard; | - | ||||||
65 | #if !defined(QT_OPENGL_ES_2) | - | ||||||
66 | class QOpenGLFunctions_3_2_Core; | - | ||||||
67 | #endif | - | ||||||
68 | - | |||||||
69 | class Q_QUICK_PRIVATE_EXPORT QSGDefaultDistanceFieldGlyphCache : public QSGDistanceFieldGlyphCache | - | ||||||
70 | { | - | ||||||
71 | public: | - | ||||||
72 | QSGDefaultDistanceFieldGlyphCache(QOpenGLContext *c, const QRawFont &font); | - | ||||||
73 | virtual ~QSGDefaultDistanceFieldGlyphCache(); | - | ||||||
74 | - | |||||||
75 | void requestGlyphs(const QSet<glyph_t> &glyphs) override; | - | ||||||
76 | void storeGlyphs(const QList<QDistanceField> &glyphs) override; | - | ||||||
77 | void referenceGlyphs(const QSet<glyph_t> &glyphs) override; | - | ||||||
78 | void releaseGlyphs(const QSet<glyph_t> &glyphs) override; | - | ||||||
79 | - | |||||||
80 | bool useTextureResizeWorkaround() const; | - | ||||||
81 | bool useTextureUploadWorkaround() const; | - | ||||||
82 | bool createFullSizeTextures() const; | - | ||||||
83 | int maxTextureSize() const; | - | ||||||
84 | - | |||||||
85 | void setMaxTextureCount(int max) { m_maxTextureCount = max; } never executed: end of block | 0 | ||||||
86 | int maxTextureCount() const { return m_maxTextureCount; } never executed: return m_maxTextureCount; | 0 | ||||||
87 | - | |||||||
88 | private: | - | ||||||
89 | struct TextureInfo { | - | ||||||
90 | GLuint texture; | - | ||||||
91 | QSize size; | - | ||||||
92 | QRect allocatedArea; | - | ||||||
93 | QDistanceField image; | - | ||||||
94 | int padding = -1; | - | ||||||
95 | - | |||||||
96 | TextureInfo(const QRect &preallocRect = QRect()) : texture(0), allocatedArea(preallocRect) { } executed 1620 times by 24 tests: end of block Executed by:
| 1620 | ||||||
97 | }; | - | ||||||
98 | - | |||||||
99 | void createTexture(TextureInfo * texInfo, int width, int height); | - | ||||||
100 | void resizeTexture(TextureInfo * texInfo, int width, int height); | - | ||||||
101 | - | |||||||
102 | TextureInfo *textureInfo(int index) | - | ||||||
103 | { | - | ||||||
104 | for (int i = m_textures.count(); i <= index; ++i) {
| 1620-28812 | ||||||
105 | if (createFullSizeTextures())
| 0-1620 | ||||||
106 | m_textures.append(QRect(0, 0, maxTextureSize(), maxTextureSize())); never executed: m_textures.append(QRect(0, 0, maxTextureSize(), maxTextureSize())); | 0 | ||||||
107 | else | - | ||||||
108 | m_textures.append(TextureInfo()); executed 1620 times by 24 tests: m_textures.append(TextureInfo()); Executed by:
| 1620 | ||||||
109 | } | - | ||||||
110 | - | |||||||
111 | return &m_textures[index]; executed 28812 times by 24 tests: return &m_textures[index]; Executed by:
| 28812 | ||||||
112 | } | - | ||||||
113 | - | |||||||
114 | void createBlitProgram() | - | ||||||
115 | { | - | ||||||
116 | m_blitProgram = new QOpenGLShaderProgram; | - | ||||||
117 | { | - | ||||||
118 | const QString source = QLatin1String(qopenglslMainWithTexCoordsVertexShader) | - | ||||||
119 | + QLatin1String(qopenglslUntransformedPositionVertexShader); | - | ||||||
120 | - | |||||||
121 | m_blitProgram->addCacheableShaderFromSourceCode(QOpenGLShader::Vertex, source); | - | ||||||
122 | } | - | ||||||
123 | { | - | ||||||
124 | const QString source = QLatin1String(qopenglslMainFragmentShader) | - | ||||||
125 | + QLatin1String(qopenglslImageSrcFragmentShader); | - | ||||||
126 | - | |||||||
127 | m_blitProgram->addCacheableShaderFromSourceCode(QOpenGLShader::Fragment, source); | - | ||||||
128 | } | - | ||||||
129 | m_blitProgram->bindAttributeLocation("vertexCoordsArray", QT_VERTEX_COORDS_ATTR); | - | ||||||
130 | m_blitProgram->bindAttributeLocation("textureCoordArray", QT_TEXTURE_COORDS_ATTR); | - | ||||||
131 | m_blitProgram->link(); | - | ||||||
132 | } executed 453 times by 11 tests: end of block Executed by:
| 453 | ||||||
133 | - | |||||||
134 | mutable int m_maxTextureSize; | - | ||||||
135 | int m_maxTextureCount; | - | ||||||
136 | - | |||||||
137 | QList<TextureInfo> m_textures; | - | ||||||
138 | QHash<glyph_t, TextureInfo *> m_glyphsTexture; | - | ||||||
139 | QSet<glyph_t> m_unusedGlyphs; | - | ||||||
140 | - | |||||||
141 | QSGAreaAllocator *m_areaAllocator; | - | ||||||
142 | - | |||||||
143 | QOpenGLShaderProgram *m_blitProgram; | - | ||||||
144 | QOpenGLBuffer m_blitBuffer; | - | ||||||
145 | QOpenGLVertexArrayObject m_vao; | - | ||||||
146 | - | |||||||
147 | QOpenGLSharedResourceGuard *m_fboGuard; | - | ||||||
148 | QOpenGLFunctions *m_funcs; | - | ||||||
149 | #if !defined(QT_OPENGL_ES_2) | - | ||||||
150 | QOpenGLFunctions_3_2_Core *m_coreFuncs; | - | ||||||
151 | #endif | - | ||||||
152 | }; | - | ||||||
153 | - | |||||||
154 | QT_END_NAMESPACE | - | ||||||
155 | - | |||||||
156 | #endif // QSGDEFAULTDISTANCEFIELDGLYPHCACHE_H | - | ||||||
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