summaryrefslogtreecommitdiffstats
path: root/src/render/texture/texture_p.h
blob: a784a4e919e3b3adbf1297ff2854428004394556 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
/****************************************************************************
**
** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://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.LGPLv3 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.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 later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QT3DRENDER_RENDER_TEXTURE_H
#define QT3DRENDER_RENDER_TEXTURE_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of other Qt classes.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include <QOpenGLContext>
#include <QMutex>
#include <Qt3DRender/qtexture.h>
#include <Qt3DRender/texturedata.h>
#include <Qt3DCore/qbackendnode.h>
#include <Qt3DRender/private/handle_types_p.h>

QT_BEGIN_NAMESPACE

class QOpenGLTexture;

namespace Qt3DRender {

class QAbstractTextureProvider;

namespace Render {

class TextureManager;
class TextureImageManager;
class TextureDataManager;

typedef uint TextureDNA;

class Texture : public Qt3DCore::QBackendNode
{
public:
    Texture();
    ~Texture();
    void cleanup();

    void updateFromPeer(Qt3DCore::QNode *peer) Q_DECL_OVERRIDE;

    QOpenGLTexture* getOrCreateGLTexture() ;

    GLint textureId();

    bool isTextureReset() const;

    void sceneChangeEvent(const Qt3DCore::QSceneChangePtr &e) Q_DECL_OVERRIDE;
    TextureDNA dna() const;

    void setTextureManager(TextureManager *manager);
    void setTextureImageManager(TextureImageManager *manager);
    void setTextureDataManager(TextureDataManager *manager);

    void updateAndLoadTextureImage();
    void addTextureImageData(HTextureImage handle);
    void removeTextureImageData(HTextureImage handle);

    void requestTextureDataUpdate();
    void addToPendingTextureJobs();
    void setSize(int width, int height, int depth);
    void setFormat(QAbstractTextureProvider::TextureFormat format);

    inline QVector<HTextureImage> textureImages() const { return m_textureImages; }
    inline QAbstractTextureProvider::TextureFormat format() const { return m_format; }

private:
    QOpenGLTexture *m_gl;

    QOpenGLTexture *buildGLTexture();
    void setToGLTexture(TextureImage *rImg, TexImageData *imgData);
    void updateWrapAndFilters();

    int m_width;
    int m_height;
    int m_depth;
    int m_layers;
    bool m_generateMipMaps;
    QAbstractTextureProvider::Target m_target;
    QAbstractTextureProvider::TextureFormat m_format;
    QAbstractTextureProvider::Filter m_magnificationFilter;
    QAbstractTextureProvider::Filter m_minificationFilter;
    QTextureWrapMode::WrapMode m_wrapModeX;
    QTextureWrapMode::WrapMode m_wrapModeY;
    QTextureWrapMode::WrapMode m_wrapModeZ;
    float m_maximumAnisotropy;
    QAbstractTextureProvider::ComparisonFunction m_comparisonFunction;
    QAbstractTextureProvider::ComparisonMode m_comparisonMode;

    QVector<HTextureImage> m_textureImages;

    bool m_isDirty;
    bool m_filtersAndWrapUpdated;
    bool m_dataUploadRequired;
    bool m_formatWasSpecified;
    bool m_unique;

    QMutex *m_lock;
    TextureDNA m_textureDNA;
    TextureManager *m_textureManager;
    TextureImageManager *m_textureImageManager;
    TextureDataManager *m_textureDataManager;

    void updateDNA();
};

class TextureFunctor : public Qt3DCore::QBackendNodeFunctor
{
public:
    explicit TextureFunctor(TextureManager *textureManager,
                                  TextureImageManager *textureImageManager,
                                  TextureDataManager *textureDataManager);

    Qt3DCore::QBackendNode *create(Qt3DCore::QNode *frontend, const Qt3DCore::QBackendNodeFactory *factory) const Q_DECL_FINAL;
    Qt3DCore::QBackendNode *get(const Qt3DCore::QNodeId &id) const Q_DECL_FINAL;
    void destroy(const Qt3DCore::QNodeId &id) const Q_DECL_FINAL;

private:
    TextureManager *m_textureManager;
    TextureImageManager *m_textureImageManager;
    TextureDataManager *m_textureDataManager;
};

} // namespace Render
} // namespace Qt3DRender

QT_END_NAMESPACE

Q_DECLARE_METATYPE(Qt3DRender::Render::Texture*)

#endif // QT3DRENDER_RENDER_TEXTURE_H