qsgatlastexture

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qsgatlastexture_p.h

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Line	Source	Count
1	/****************************************************************************	-
2	**	-
3	** Copyright (C) 2016 The Qt Company Ltd.	-
4	** Contact: https://www.qt.io/licensing/	-
5	**	-
6	** This file is part of the QtQuick module of the Qt Toolkit.	-
7	**	-
8	** $QT_BEGIN_LICENSE:LGPL$	-
9	** Commercial License Usage	-
10	** Licensees holding valid commercial Qt licenses may use this file in	-
11	** accordance with the commercial license agreement provided with the	-
12	** Software or, alternatively, in accordance with the terms contained in	-
13	** a written agreement between you and The Qt Company. For licensing terms	-
14	** and conditions see https://www.qt.io/terms-conditions. For further	-
15	** information use the contact form at https://www.qt.io/contact-us.	-
16	**	-
17	** GNU Lesser General Public License Usage	-
18	** Alternatively, this file may be used under the terms of the GNU Lesser	-
19	** General Public License version 3 as published by the Free Software	-
20	** Foundation and appearing in the file LICENSE.LGPL3 included in the	-
21	** packaging of this file. Please review the following information to	-
22	** ensure the GNU Lesser General Public License version 3 requirements	-
23	** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.	-
24	**	-
25	** GNU General Public License Usage	-
26	** Alternatively, this file may be used under the terms of the GNU	-
27	** General Public License version 2.0 or (at your option) the GNU General	-
28	** Public license version 3 or any later version approved by the KDE Free	-
29	** Qt Foundation. The licenses are as published by the Free Software	-
30	** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3	-
31	** included in the packaging of this file. Please review the following	-
32	** information to ensure the GNU General Public License requirements will	-
33	** be met: https://www.gnu.org/licenses/gpl-2.0.html and	-
34	** https://www.gnu.org/licenses/gpl-3.0.html.	-
35	**	-
36	** $QT_END_LICENSE$	-
37	**	-
38	****************************************************************************/	-
39		-
40	#ifndef QSGATLASTEXTURE_P_H	-
41	#define QSGATLASTEXTURE_P_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 <QtCore/QSize>	-
55		-
56	#include <QtGui/qopengl.h>	-
57		-
58	#include <QtQuick/QSGTexture>	-
59	#include <QtQuick/private/qsgtexture_p.h>	-
60	#include <QtQuick/private/qsgareaallocator_p.h>	-
61		-
62	QT_BEGIN_NAMESPACE	-
63		-
64	namespace QSGCompressedAtlasTexture {	-
65	class Atlas;	-
66	}	-
67	class QSGCompressedTextureFactory;	-
68		-
69	namespace QSGAtlasTexture	-
70	{	-
71		-
72	class Texture;	-
73	class TextureBase;	-
74	class Atlas;	-
75		-
76	class Manager : public QObject	-
77	{	-
78	Q_OBJECT	-
79		-
80	public:	-
81	Manager();	-
82	~Manager();	-
83		-
84	QSGTexture *create(const QImage &image, bool hasAlphaChannel);	-
85	QSGTexture create(const QSGCompressedTextureFactory factory);	-
86	void invalidate();	-
87		-
88	private:	-
89	Atlas *m_atlas;	-
90	// set of atlases for different compressed formats	-
91	QHash<unsigned int, QSGCompressedAtlasTexture::Atlas*> m_atlases;	-
92		-
93	QSize m_atlas_size;	-
94	int m_atlas_size_limit;	-
95	};	-
96		-
97	class AtlasBase : public QObject	-
98	{	-
99	Q_OBJECT	-
100	public:	-
101	AtlasBase(const QSize &size);	-
102	~AtlasBase();	-
103		-
104	void invalidate();	-
105		-
106	int textureId() const;	-
107	void bind(QSGTexture::Filtering filtering);	-
108		-
109	void remove(TextureBase *t);	-
110		-
111	QSize size() const { return m_size; } executed 578 times by 8 tests: `return m_size;` Executed by: tst_examples tst_qquickanimatedimage tst_qquickborderimage tst_qquickcustomparticle tst_qquickimage tst_qquickitemparticle tst_qquickshadereffect tst_scenegraph	578
112		-
113	protected:	-
114	virtual void generateTexture() = 0;	-
115	virtual void uploadPendingTexture(int i) = 0;	-
116		-
117	protected:	-
118	QSGAreaAllocator m_allocator;	-
119	unsigned int m_texture_id;	-
120	QSize m_size;	-
121	QList<TextureBase *> m_pending_uploads;	-
122		-
123	private:	-
124	bool m_allocated;	-
125	};	-
126		-
127	class Atlas : public AtlasBase	-
128	{	-
129	public:	-
130	Atlas(const QSize &size);	-
131	~Atlas();	-
132		-
133	void generateTexture() override;	-
134	void uploadPendingTexture(int i) override;	-
135		-
136	void upload(Texture *texture);	-
137	void uploadBgra(Texture *texture);	-
138		-
139	Texture *create(const QImage &image);	-
140		-
141	uint internalFormat() const { return m_internalFormat; } executed 2 times by 1 test: `return m_internalFormat;` Executed by: tst_qquickborderimage	2
142	uint externalFormat() const { return m_externalFormat; } never executed: `return m_externalFormat;`	0
143		-
144	private:	-
145	uint m_internalFormat;	-
146	uint m_externalFormat;	-
147		-
148	int m_atlas_transient_image_threshold;	-
149		-
150	uint m_use_bgra_fallback: 1;	-
151	uint m_debug_overlay : 1;	-
152	};	-
153		-
154	class TextureBase : public QSGTexture	-
155	{	-
156	Q_OBJECT	-
157	public:	-
158	TextureBase(AtlasBase *atlas, const QRect &textureRect);	-
159	~TextureBase();	-
160		-
161	int textureId() const override { return m_atlas->textureId(); } executed 86734 times by 3 tests: `return m_atlas->textureId();` Executed by: tst_examples tst_qquickitemparticle tst_scenegraph	86734
162	bool isAtlasTexture() const override { return true; } executed 23730 times by 8 tests: `return true;` Executed by: tst_examples tst_qquickanimatedimage tst_qquickborderimage tst_qquickcustomparticle tst_qquickimage tst_qquickitemparticle tst_qquickshadereffect tst_scenegraph	23730
163		-
164	QRect atlasSubRect() const { return m_allocated_rect; } executed 289 times by 8 tests: `return m_allocated_rect;` Executed by: tst_examples tst_qquickanimatedimage tst_qquickborderimage tst_qquickcustomparticle tst_qquickimage tst_qquickitemparticle tst_qquickshadereffect tst_scenegraph	289
165		-
166	void bind() override;	-
167		-
168	protected:	-
169	QRect m_allocated_rect;	-
170	AtlasBase *m_atlas;	-
171	};	-
172		-
173	class Texture : public TextureBase	-
174	{	-
175	Q_OBJECT	-
176	public:	-
177	Texture(Atlas *atlas, const QRect &textureRect, const QImage &image);	-
178	~Texture();	-
179		-
180	QSize textureSize() const override { return atlasSubRectWithoutPadding().size(); } executed 263 times by 8 tests: `return atlasSubRectWithoutPadding().size();` Executed by: tst_examples tst_qquickanimatedimage tst_qquickborderimage tst_qquickcustomparticle tst_qquickimage tst_qquickitemparticle tst_qquickshadereffect tst_scenegraph	263
181	void setHasAlphaChannel(bool alpha) { m_has_alpha = alpha; } never executed: `end of block`	0
182	bool hasAlphaChannel() const override { return m_has_alpha; } executed 14979 times by 8 tests: `return m_has_alpha;` Executed by: tst_examples tst_qquickanimatedimage tst_qquickborderimage tst_qquickcustomparticle tst_qquickimage tst_qquickitemparticle tst_qquickshadereffect tst_scenegraph	14979
183	bool hasMipmaps() const override { return false; } executed 18789 times by 3 tests: `return false;` Executed by: tst_examples tst_qquickitemparticle tst_scenegraph	18789
184		-
185	QRectF normalizedTextureSubRect() const override { return m_texture_coords_rect; } executed 4999 times by 8 tests: `return m_texture_coords_rect;` Executed by: tst_examples tst_qquickanimatedimage tst_qquickborderimage tst_qquickcustomparticle tst_qquickimage tst_qquickitemparticle tst_qquickshadereffect tst_scenegraph	4999
186		-
187	QRect atlasSubRect() const { return m_allocated_rect; } executed 263 times by 8 tests: `return m_allocated_rect;` Executed by: tst_examples tst_qquickanimatedimage tst_qquickborderimage tst_qquickcustomparticle tst_qquickimage tst_qquickitemparticle tst_qquickshadereffect tst_scenegraph	263
188	QRect atlasSubRectWithoutPadding() const { return m_allocated_rect.adjusted(1, 1, -1, -1); } executed 554 times by 8 tests: `return m_allocated_rect.adjusted(1, 1, -1, -1);` Executed by: tst_examples tst_qquickanimatedimage tst_qquickborderimage tst_qquickcustomparticle tst_qquickimage tst_qquickitemparticle tst_qquickshadereffect tst_scenegraph	554
189		-
190	QSGTexture *removedFromAtlas() const override;	-
191		-
192	void releaseImage() { m_image = QImage(); } executed 263 times by 8 tests: `end of block` Executed by: tst_examples tst_qquickanimatedimage tst_qquickborderimage tst_qquickcustomparticle tst_qquickimage tst_qquickitemparticle tst_qquickshadereffect tst_scenegraph	263
193	const QImage &image() const { return m_image; } executed 263 times by 8 tests: `return m_image;` Executed by: tst_examples tst_qquickanimatedimage tst_qquickborderimage tst_qquickcustomparticle tst_qquickimage tst_qquickitemparticle tst_qquickshadereffect tst_scenegraph	263
194		-
195	private:	-
196	QRectF m_texture_coords_rect;	-
197	QImage m_image;	-
198	mutable QSGPlainTexture *m_nonatlas_texture;	-
199	bool m_has_alpha;	-
200	};	-
201		-
202	}	-
203		-
204	QT_END_NAMESPACE	-
205		-
206	#endif	-

Line

Source

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/****************************************************************************

** Contact: https://www.qt.io/licensing/

** This file is part of the QtQuick module of the Qt Toolkit.

** $QT_BEGIN_LICENSE:LGPL$

** Commercial License Usage

** Licensees holding valid commercial Qt licenses may use this file in

** accordance with the commercial license agreement provided with the

** Software or, alternatively, in accordance with the terms contained in

** a written agreement between you and The Qt Company. For licensing terms

** and conditions see https://www.qt.io/terms-conditions. For further

** information use the contact form at https://www.qt.io/contact-us.

** GNU Lesser General Public License Usage

** Alternatively, this file may be used under the terms of the GNU Lesser

** General Public License version 3 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL3 included in the

** packaging of this file. Please review the following information to

** ensure the GNU Lesser General Public License version 3 requirements

** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.

** GNU General Public License Usage

** Alternatively, this file may be used under the terms of the GNU

** General Public License version 2.0 or (at your option) the GNU General

** Public license version 3 or any later version approved by the KDE Free

** Qt Foundation. The licenses are as published by the Free Software

** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3

** included in the packaging of this file. Please review the following

** information to ensure the GNU General Public License requirements will

** be met: https://www.gnu.org/licenses/gpl-2.0.html and

** https://www.gnu.org/licenses/gpl-3.0.html.

** $QT_END_LICENSE$

****************************************************************************/

#ifndef QSGATLASTEXTURE_P_H

#define QSGATLASTEXTURE_P_H

// W A R N I N G

// -------------

// This file is not part of the Qt API. It exists purely as an

// implementation detail. This header file may change from version to

// version without notice, or even be removed.

// We mean it.

#include <QtCore/QSize>

#include <QtGui/qopengl.h>

#include <QtQuick/QSGTexture>

#include <QtQuick/private/qsgtexture_p.h>

#include <QtQuick/private/qsgareaallocator_p.h>

QT_BEGIN_NAMESPACE

namespace QSGCompressedAtlasTexture {

class Atlas;

}

class QSGCompressedTextureFactory;

namespace QSGAtlasTexture

{

class Texture;

class TextureBase;

class Atlas;

class Manager : public QObject

{

Q_OBJECT

public:

Manager();

~Manager();

QSGTexture *create(const QImage &image, bool hasAlphaChannel);

QSGTexture *create(const QSGCompressedTextureFactory *factory);

void invalidate();

private:

Atlas *m_atlas;

// set of atlases for different compressed formats

QHash<unsigned int, QSGCompressedAtlasTexture::Atlas*> m_atlases;

QSize m_atlas_size;

int m_atlas_size_limit;

};

class AtlasBase : public QObject

{

Q_OBJECT

100

public:

101

AtlasBase(const QSize &size);

~AtlasBase();

void invalidate();

int textureId() const;

107

void bind(QSGTexture::Filtering filtering);

108

109

void remove(TextureBase *t);

110

111

QSize size() const { return m_size; }

executed 578 times by 8 tests: return m_size;

Executed by:

tst_examples
tst_qquickanimatedimage
tst_qquickborderimage
tst_qquickcustomparticle
tst_qquickimage
tst_qquickitemparticle
tst_qquickshadereffect
tst_scenegraph

578

112

113

protected:

114

virtual void generateTexture() = 0;

115

virtual void uploadPendingTexture(int i) = 0;

116

117

protected:

118

QSGAreaAllocator m_allocator;

119

unsigned int m_texture_id;

120

QSize m_size;

121

QList<TextureBase *> m_pending_uploads;

private:

bool m_allocated;

};

class Atlas : public AtlasBase

128

{

129

public:

130

Atlas(const QSize &size);

131

~Atlas();

132

133

void generateTexture() override;

134

void uploadPendingTexture(int i) override;

135

136

void upload(Texture *texture);

137

void uploadBgra(Texture *texture);

138

139

Texture *create(const QImage &image);

140

141

uint internalFormat() const { return m_internalFormat; }

executed 2 times by 1 test: return m_internalFormat;

Executed by:

tst_qquickborderimage

142

uint externalFormat() const { return m_externalFormat; }

never executed: return m_externalFormat;

143

144

private:

145

uint m_internalFormat;

146

uint m_externalFormat;

147

148

int m_atlas_transient_image_threshold;

149

150

uint m_use_bgra_fallback: 1;

151

uint m_debug_overlay : 1;

152

};

153

154

class TextureBase : public QSGTexture

{

Q_OBJECT

public:

TextureBase(AtlasBase *atlas, const QRect &textureRect);

159

~TextureBase();

160

161

int textureId() const override { return m_atlas->textureId(); }

executed 86734 times by 3 tests: return m_atlas->textureId();

Executed by:

tst_examples
tst_qquickitemparticle
tst_scenegraph

86734

162

bool isAtlasTexture() const override { return true; }

executed 23730 times by 8 tests: return true;

Executed by:

tst_examples
tst_qquickanimatedimage
tst_qquickborderimage
tst_qquickcustomparticle
tst_qquickimage
tst_qquickitemparticle
tst_qquickshadereffect
tst_scenegraph

23730

163

164

QRect atlasSubRect() const { return m_allocated_rect; }

executed 289 times by 8 tests: return m_allocated_rect;

Executed by:

tst_examples
tst_qquickanimatedimage
tst_qquickborderimage
tst_qquickcustomparticle
tst_qquickimage
tst_qquickitemparticle
tst_qquickshadereffect
tst_scenegraph

289

165

166

void bind() override;

167

168

protected:

169

QRect m_allocated_rect;

AtlasBase *m_atlas;

};

class Texture : public TextureBase

{

Q_OBJECT

public:

Texture(Atlas *atlas, const QRect &textureRect, const QImage &image);

178

~Texture();

179

180

QSize textureSize() const override { return atlasSubRectWithoutPadding().size(); }

executed 263 times by 8 tests: return atlasSubRectWithoutPadding().size();

Executed by:

tst_examples
tst_qquickanimatedimage
tst_qquickborderimage
tst_qquickcustomparticle
tst_qquickimage
tst_qquickitemparticle
tst_qquickshadereffect
tst_scenegraph

263

181

void setHasAlphaChannel(bool alpha) { m_has_alpha = alpha; }

never executed: end of block

182

bool hasAlphaChannel() const override { return m_has_alpha; }

executed 14979 times by 8 tests: return m_has_alpha;

Executed by:

tst_examples
tst_qquickanimatedimage
tst_qquickborderimage
tst_qquickcustomparticle
tst_qquickimage
tst_qquickitemparticle
tst_qquickshadereffect
tst_scenegraph

14979

183

bool hasMipmaps() const override { return false; }

executed 18789 times by 3 tests: return false;

Executed by:

tst_examples
tst_qquickitemparticle
tst_scenegraph

18789

184

185

QRectF normalizedTextureSubRect() const override { return m_texture_coords_rect; }

executed 4999 times by 8 tests: return m_texture_coords_rect;

Executed by:

tst_examples
tst_qquickanimatedimage
tst_qquickborderimage
tst_qquickcustomparticle
tst_qquickimage
tst_qquickitemparticle
tst_qquickshadereffect
tst_scenegraph

4999

186

187

QRect atlasSubRect() const { return m_allocated_rect; }

executed 263 times by 8 tests: return m_allocated_rect;

Executed by:

tst_examples
tst_qquickanimatedimage
tst_qquickborderimage
tst_qquickcustomparticle
tst_qquickimage
tst_qquickitemparticle
tst_qquickshadereffect
tst_scenegraph

263

188

QRect atlasSubRectWithoutPadding() const { return m_allocated_rect.adjusted(1, 1, -1, -1); }

executed 554 times by 8 tests: return m_allocated_rect.adjusted(1, 1, -1, -1);

Executed by:

tst_examples
tst_qquickanimatedimage
tst_qquickborderimage
tst_qquickcustomparticle
tst_qquickimage
tst_qquickitemparticle
tst_qquickshadereffect
tst_scenegraph

554

189

190

QSGTexture *removedFromAtlas() const override;

191

192

void releaseImage() { m_image = QImage(); }

executed 263 times by 8 tests: end of block

Executed by:

tst_examples
tst_qquickanimatedimage
tst_qquickborderimage
tst_qquickcustomparticle
tst_qquickimage
tst_qquickitemparticle
tst_qquickshadereffect
tst_scenegraph

263

193

const QImage &image() const { return m_image; }

executed 263 times by 8 tests: return m_image;

Executed by:

tst_examples
tst_qquickanimatedimage
tst_qquickborderimage
tst_qquickcustomparticle
tst_qquickimage
tst_qquickitemparticle
tst_qquickshadereffect
tst_scenegraph

263

194

195

private:

196

QRectF m_texture_coords_rect;

197

QImage m_image;

198

mutable QSGPlainTexture *m_nonatlas_texture;

bool m_has_alpha;

};

}

QT_END_NAMESPACE

#endif

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