1 |
|
|
/* |
2 |
|
|
* The ManaPlus Client |
3 |
|
|
* Copyright (C) 2004-2009 The Mana World Development Team |
4 |
|
|
* Copyright (C) 2009-2010 The Mana Developers |
5 |
|
|
* Copyright (C) 2011-2019 The ManaPlus Developers |
6 |
|
|
* Copyright (C) 2019-2021 Andrei Karas |
7 |
|
|
* |
8 |
|
|
* This file is part of The ManaPlus Client. |
9 |
|
|
* |
10 |
|
|
* This program is free software; you can redistribute it and/or modify |
11 |
|
|
* it under the terms of the GNU General Public License as published by |
12 |
|
|
* the Free Software Foundation; either version 2 of the License, or |
13 |
|
|
* any later version. |
14 |
|
|
* |
15 |
|
|
* This program is distributed in the hope that it will be useful, |
16 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
17 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
18 |
|
|
* GNU General Public License for more details. |
19 |
|
|
* |
20 |
|
|
* You should have received a copy of the GNU General Public License |
21 |
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>. |
22 |
|
|
*/ |
23 |
|
|
|
24 |
|
|
#if defined(USE_OPENGL) && !defined(ANDROID) |
25 |
|
|
|
26 |
|
|
#include "resources/mobileopenglscreenshothelper.h" |
27 |
|
|
|
28 |
|
|
#include "configuration.h" |
29 |
|
|
#include "graphicsmanager.h" |
30 |
|
|
|
31 |
|
|
#include "render/graphics.h" |
32 |
|
|
|
33 |
|
|
#include "render/opengl/mgl.h" |
34 |
|
|
#ifdef __native_client__ |
35 |
|
|
#include "render/opengl/naclglfunctions.h" |
36 |
|
|
#endif // __native_client__ |
37 |
|
|
|
38 |
|
|
#include "debug.h" |
39 |
|
|
|
40 |
|
|
MobileOpenGLScreenshotHelper::MobileOpenGLScreenshotHelper() : |
41 |
|
|
ScreenshotHelper(), |
42 |
|
|
mFbo() |
43 |
|
|
{ |
44 |
|
|
} |
45 |
|
|
|
46 |
|
|
MobileOpenGLScreenshotHelper::~MobileOpenGLScreenshotHelper() |
47 |
|
|
{ |
48 |
|
|
} |
49 |
|
|
|
50 |
|
|
void MobileOpenGLScreenshotHelper::prepare() |
51 |
|
|
{ |
52 |
|
|
if (config.getBoolValue("usefbo")) |
53 |
|
|
graphicsManager.createFBO(mainGraphics->mWidth, |
54 |
|
|
mainGraphics->mHeight, |
55 |
|
|
&mFbo); |
56 |
|
|
} |
57 |
|
|
|
58 |
|
|
SDL_Surface *MobileOpenGLScreenshotHelper::getScreenshot() |
59 |
|
|
{ |
60 |
|
|
const int h = mainGraphics->mHeight; |
61 |
|
|
const int w = mainGraphics->mWidth - (mainGraphics->mWidth % 4); |
62 |
|
|
GLint pack = 1; |
63 |
|
|
|
64 |
|
|
SDL_Surface *const tmpImage = MSDL_CreateRGBSurface( |
65 |
|
|
SDL_SWSURFACE, w, h, 32, |
66 |
|
|
0x00ff0000U, 0x0000ff00U, 0x000000ffU, 0xff000000U); |
67 |
|
|
|
68 |
|
|
if (tmpImage == nullptr) |
69 |
|
|
return nullptr; |
70 |
|
|
|
71 |
|
|
// Grap the pixel buffer and write it to the SDL surface |
72 |
|
|
mglGetIntegerv(GL_PACK_ALIGNMENT, &pack); |
73 |
|
|
mglPixelStorei(GL_PACK_ALIGNMENT, 1); |
74 |
|
|
mglReadPixels(0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, tmpImage->pixels); |
75 |
|
|
|
76 |
|
|
const size_t lineSize = 3 * w; |
77 |
|
|
GLubyte *const buf = new GLubyte[lineSize]; |
78 |
|
|
|
79 |
|
|
SDL_Surface *const screenshot = MSDL_CreateRGBSurface( |
80 |
|
|
SDL_SWSURFACE, w, h, 24, |
81 |
|
|
0xff0000, 0x00ff00, 0x0000ff, 0x000000); |
82 |
|
|
|
83 |
|
|
if (screenshot == nullptr) |
84 |
|
|
{ |
85 |
|
|
MSDL_FreeSurface(tmpImage); |
86 |
|
|
delete [] buf; |
87 |
|
|
return nullptr; |
88 |
|
|
} |
89 |
|
|
|
90 |
|
|
#ifdef USE_SDL2 |
91 |
|
|
SDL_SetSurfaceAlphaMod(tmpImage, SDL_ALPHA_OPAQUE); |
92 |
|
|
SDL_SetSurfaceBlendMode(tmpImage, SDL_BLENDMODE_NONE); |
93 |
|
|
#else // USE_SDL2 |
94 |
|
|
|
95 |
|
|
// Make sure the alpha channel is not used, but copied to destination |
96 |
|
|
SDL_SetAlpha(tmpImage, 0, SDL_ALPHA_OPAQUE); |
97 |
|
|
#endif // USE_SDL2 |
98 |
|
|
|
99 |
|
|
if (SDL_MUSTLOCK(screenshot)) |
100 |
|
|
SDL_LockSurface(screenshot); |
101 |
|
|
|
102 |
|
|
SDL_BlitSurface(tmpImage, nullptr, screenshot, nullptr); |
103 |
|
|
MSDL_FreeSurface(tmpImage); |
104 |
|
|
|
105 |
|
|
// Flip the screenshot, as OpenGL has 0,0 in bottom left |
106 |
|
|
const int h2 = h / 2; |
107 |
|
|
for (int i = 0; i < h2; i++) |
108 |
|
|
{ |
109 |
|
|
GLubyte *const top = static_cast<GLubyte*>( |
110 |
|
|
screenshot->pixels) + lineSize * i; |
111 |
|
|
GLubyte *const bot = static_cast<GLubyte*>( |
112 |
|
|
screenshot->pixels) + lineSize * (h - 1 - i); |
113 |
|
|
|
114 |
|
|
memcpy(buf, top, lineSize); |
115 |
|
|
memcpy(top, bot, lineSize); |
116 |
|
|
memcpy(bot, buf, lineSize); |
117 |
|
|
} |
118 |
|
|
|
119 |
|
|
delete [] buf; |
120 |
|
|
|
121 |
|
|
if (config.getBoolValue("usefbo")) |
122 |
|
|
graphicsManager.deleteFBO(&mFbo); |
123 |
|
|
|
124 |
|
|
mglPixelStorei(GL_PACK_ALIGNMENT, pack); |
125 |
|
|
|
126 |
|
|
if (SDL_MUSTLOCK(screenshot)) |
127 |
|
|
SDL_UnlockSurface(screenshot); |
128 |
|
|
|
129 |
|
|
return screenshot; |
130 |
|
|
} |
131 |
|
|
|
132 |
|
|
#endif // defined(USE_OPENGL) && !defined(ANDROID) |