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
|
/*
* The ManaPlus Client
* Copyright (C) 2004-2009 The Mana World Development Team
* Copyright (C) 2009-2010 The Mana Developers
* Copyright (C) 2011-2017 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/>.
*/
#if defined(USE_OPENGL) && !defined(ANDROID)
#include "resources/mobileopenglscreenshothelper.h"
#include "configuration.h"
#include "graphicsmanager.h"
#include "render/graphics.h"
#include "render/opengl/mgl.h"
#ifdef __native_client__
#include "render/opengl/naclglfunctions.h"
#endif // __native_client__
#include "debug.h"
MobileOpenGLScreenshotHelper::MobileOpenGLScreenshotHelper() :
ScreenshotHelper(),
mFbo()
{
}
MobileOpenGLScreenshotHelper::~MobileOpenGLScreenshotHelper()
{
}
void MobileOpenGLScreenshotHelper::prepare()
{
if (config.getBoolValue("usefbo"))
graphicsManager.createFBO(mainGraphics->mWidth,
mainGraphics->mHeight,
&mFbo);
}
SDL_Surface *MobileOpenGLScreenshotHelper::getScreenshot()
{
const int h = mainGraphics->mHeight;
const int w = mainGraphics->mWidth - (mainGraphics->mWidth % 4);
GLint pack = 1;
SDL_Surface *const tmpImage = MSDL_CreateRGBSurface(
SDL_SWSURFACE, w, h, 32,
0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000);
if (!tmpImage)
return nullptr;
// Grap the pixel buffer and write it to the SDL surface
mglGetIntegerv(GL_PACK_ALIGNMENT, &pack);
mglPixelStorei(GL_PACK_ALIGNMENT, 1);
mglReadPixels(0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, tmpImage->pixels);
const size_t lineSize = 3 * w;
GLubyte *const buf = new GLubyte[lineSize];
SDL_Surface *const screenshot = MSDL_CreateRGBSurface(
SDL_SWSURFACE, w, h, 24,
0xff0000, 0x00ff00, 0x0000ff, 0x000000);
if (!screenshot)
{
MSDL_FreeSurface(tmpImage);
delete [] buf;
return nullptr;
}
#ifdef USE_SDL2
SDL_SetSurfaceAlphaMod(tmpImage, SDL_ALPHA_OPAQUE);
SDL_SetSurfaceBlendMode(tmpImage, SDL_BLENDMODE_NONE);
#else // USE_SDL2
// Make sure the alpha channel is not used, but copied to destination
SDL_SetAlpha(tmpImage, 0, SDL_ALPHA_OPAQUE);
#endif // USE_SDL2
if (SDL_MUSTLOCK(screenshot))
SDL_LockSurface(screenshot);
SDL_BlitSurface(tmpImage, nullptr, screenshot, nullptr);
MSDL_FreeSurface(tmpImage);
// Flip the screenshot, as OpenGL has 0,0 in bottom left
const int h2 = h / 2;
for (int i = 0; i < h2; i++)
{
GLubyte *const top = static_cast<GLubyte*>(
screenshot->pixels) + lineSize * i;
GLubyte *const bot = static_cast<GLubyte*>(
screenshot->pixels) + lineSize * (h - 1 - i);
memcpy(buf, top, lineSize);
memcpy(top, bot, lineSize);
memcpy(bot, buf, lineSize);
}
delete [] buf;
if (config.getBoolValue("usefbo"))
graphicsManager.deleteFBO(&mFbo);
mglPixelStorei(GL_PACK_ALIGNMENT, pack);
if (SDL_MUSTLOCK(screenshot))
SDL_UnlockSurface(screenshot);
return screenshot;
}
#endif // defined(USE_OPENGL) && !defined(ANDROID)
|
