blob: b0428f58a60174c52f14ad101a362e91cfd69569 (
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
|
/*
* The ManaPlus Client
* Copyright (C) 2004-2009 The Mana World Development Team
* Copyright (C) 2009-2010 The Mana Developers
* Copyright (C) 2011-2012 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 OPENGLIMAGEHELPER_H
#define OPENGLIMAGEHELPER_H
#include "localconsts.h"
#include "main.h"
#ifdef USE_OPENGL
#ifndef GL_TEXTURE_RECTANGLE_ARB
#define GL_TEXTURE_RECTANGLE_ARB 0x84F5
#define GL_MAX_RECTANGLE_TEXTURE_SIZE_ARB 0x84F8
#endif
#include "utils/stringvector.h"
#include "resources/imagehelper.h"
#include <SDL.h>
#ifdef ANDROID
#include <GLES/gl.h>
#define GL_RGBA8 GL_RGBA8_OES
#else
#define GL_GLEXT_PROTOTYPES 1
#include <SDL_opengl.h>
#endif
class Dye;
class Image;
/**
* Defines a class for loading and storing images.
*/
class OpenGLImageHelper final : public ImageHelper
{
friend class CompoundSprite;
friend class Graphics;
friend class Image;
public:
OpenGLImageHelper()
{
}
A_DELETE_COPY(OpenGLImageHelper)
virtual ~OpenGLImageHelper()
{ }
/**
* Loads an image from an SDL_RWops structure and recolors it.
*
* @param rw The SDL_RWops to load the image from.
* @param dye The dye used to recolor the image.
*
* @return <code>NULL</code> if an error occurred, a valid pointer
* otherwise.
*/
Image *load(SDL_RWops *const rw, Dye const &dye);
/**
* Loads an image from an SDL surface.
*/
Image *load(SDL_Surface *const tmpImage);
Image *createTextSurface(SDL_Surface *const tmpImage,
const float alpha);
// OpenGL only public functions
/**
* Sets the target image format. Use <code>false</code> for SDL and
* <code>true</code> for OpenGL.
*/
static void setLoadAsOpenGL(int useOpenGL);
static int getTextureType()
{ return mTextureType; }
static int getInternalTextureType()
{ return mInternalTextureType; }
static void setInternalTextureType(const int n)
{ mInternalTextureType = n; }
static void setBlur(const bool n)
{ mBlur = n; }
static int mTextureType;
static int mInternalTextureType;
/**
* Tells if the image was loaded using OpenGL or SDL
* @return true if OpenGL, false if SDL.
*/
int useOpenGL();
static int getTextureSize()
{ return mTextureSize; }
static void initTextureSampler(GLint id);
static void setUseTextureSampler(bool b)
{ mUseTextureSampler = b; }
protected:
/**
* Returns the first power of two equal or bigger than the input.
*/
int powerOfTwo(int input) const;
Image *glLoad(SDL_Surface *tmpImage);
static int mUseOpenGL;
static int mTextureSize;
static bool mBlur;
static bool mUseTextureSampler;
};
#endif
#endif
|
