src/graphicsmanager.h


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

/*
 *  The ManaPlus Client
 *  Copyright (C) 2012  The ManaPlus Developers
 *
 *  This file is part of The ManaPlus Client.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef GRAPHICSMANAGER_H
#define GRAPHICSMANAGER_H

#include "main.h"

#ifdef USE_OPENGL

#ifdef ANDROID
#include <GLES/gl.h>
#else
#define GL_GLEXT_PROTOTYPES 1
#include <SDL_opengl.h>
// hack to hide warnings
#undef GL_GLEXT_VERSION
#undef GL_GLEXT_PROTOTYPES
#endif

#endif

#include <set>
#include <string>

#include "localconsts.h"

class Graphics;
class TestMain;

struct FBOInfo;

class GraphicsManager final
{
    public:
        GraphicsManager();

        A_DELETE_COPY(GraphicsManager)

        virtual ~GraphicsManager();

        void initGraphics(bool noOpenGL);

        void setVideoMode();

        Graphics *createGraphics();

#ifdef USE_OPENGL
        TestMain *startDetection();

        int detectGraphics();

        bool supportExtension(const std::string &ext);

        void updateTextureFormat();

        bool checkGLVersion(int major, int minor) const;

        bool checkPlatformVersion(int major, int minor) const;

        void createFBO(int width, int height, FBOInfo *fbo);

        void deleteFBO(FBOInfo *fbo);

        void initOpenGLFunctions();

        void updateExtensions();

        void updatePlanformExtensions();

        void initOpenGL();

        void updateLimits();

        int getMaxVertices() const
        { return mMaxVertices; }

        bool getUseAtlases() const
        { return mUseAtlases; }

        void logVersion();

        void setGLVersion();

        std::string getGLString(int num) const;

        void logString(const char *format, int num);

        void detectVideoSettings();

        void createTextureSampler();

        bool isUseTextureSampler() const
        { return mUseTextureSampler; }

        unsigned int getLastError();

        static std::string errorToString(GLenum error);

        void updateDebugLog();
#endif

    private:
        std::set<std::string> mExtensions;

        std::set<std::string> mPlatformExtensions;

        std::string mGlVersionString;

        std::string mGlVendor;

        std::string mGlRenderer;

        int mMinor;

        int mMajor;

        int mPlatformMinor;

        int mPlatformMajor;

        int mMaxVertices;

        int mMaxFboSize;

#ifdef USE_OPENGL
        bool mUseTextureSampler;

        GLuint mTextureSampler;

        int mSupportDebug;
#endif
        bool mUseAtlases;

};

extern GraphicsManager graphicsManager;

#endif