summaryrefslogtreecommitdiff
path: root/src/graphicsmanager.h
blob: 8e2e5170dbc806ef987e51ee1a5e330ac2725a13 (plain) (blame)
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
173
174
175
176
/*
 *  The ManaPlus Client
 *  Copyright (C) 2012-2013  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 "utils/stringvector.h"

#include <SDL_stdinc.h>

#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(const bool noOpenGL);

        void setVideoMode();

        bool getAllVideoModes(StringVect &modeList);

        void detectPixelSize();

        std::string getDensityString() const;

#ifdef USE_OPENGL
        TestMain *startDetection() A_WARN_UNUSED;

        int detectGraphics() A_WARN_UNUSED;

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

        void updateTextureFormat();

        bool checkGLVersion(const int major, const int minor)
                            const A_WARN_UNUSED;

        bool checkPlatformVersion(const int major, const int minor)
                                  const A_WARN_UNUSED;

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

        static void deleteFBO(FBOInfo *const fbo);

        void initOpenGLFunctions();

        void updateExtensions();

        void updatePlanformExtensions();

        void initOpenGL();

        void updateLimits();

        int getMaxVertices() const A_WARN_UNUSED
        { return mMaxVertices; }

        bool getUseAtlases() const A_WARN_UNUSED
        { return mUseAtlases; }

        void logVersion() const;

        void setGLVersion();

        static std::string getGLString(const int num) A_WARN_UNUSED;

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

        void detectVideoSettings();

        void createTextureSampler();

        bool isUseTextureSampler() const A_WARN_UNUSED
        { return mUseTextureSampler; }

        static GLenum getLastError() A_WARN_UNUSED;

        static std::string errorToString(const GLenum error) A_WARN_UNUSED;

        void updateDebugLog() const;
#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;

        uint32_t mMaxWidth;

        uint32_t mMaxHeight;

        uint32_t mWidthMM;

        uint32_t mHeightMM;

        int32_t mDensity;

#ifdef USE_OPENGL
        bool mUseTextureSampler;

        GLuint mTextureSampler;

        int mSupportDebug;
#endif
        bool mUseAtlases;
};

extern GraphicsManager graphicsManager;

#endif