Mercurial > fife-parpg

annotate engine/core/video/sdl/renderbackendsdl.cpp @ 688:ae479ce3f762

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Win32 build system: * Fixed a build error on updating project files. This was caused by not installing the mingw part in the devkit installer. * Updated some references to python26 to python27
author cheesesucker@33b003aa-7bff-0310-803a-e67f0ece8222
date Sun, 23 Jan 2011 17:19:00 +0000
parents 46258f467c8c
children
rev   line source
0
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1 /***************************************************************************
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2 * Copyright (C) 2005-2008 by the FIFE team *
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3 * http://www.fifengine.de *
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4 * This file is part of FIFE. *
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5 * *
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6 * FIFE is free software; you can redistribute it and/or *
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7 * modify it under the terms of the GNU Lesser General Public *
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8 * License as published by the Free Software Foundation; either *
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9 * version 2.1 of the License, or (at your option) any later version. *
0
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10 * *
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11 * This library is distributed in the hope that it will be useful, *
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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14 * Lesser General Public License for more details. *
0
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15 * *
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16 * You should have received a copy of the GNU Lesser General Public *
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17 * License along with this library; if not, write to the *
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18 * Free Software Foundation, Inc., *
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19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
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20 ***************************************************************************/
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21
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22 // Standard C++ library includes
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23
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24 // 3rd party library includes
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25 #include <SDL.h>
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26
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27 // FIFE includes
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28 // These includes are split up in two parts, separated by one empty line
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29 // First block: files included from the FIFE root src directory
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30 // Second block: files included from the same folder
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31 #include "util/base/exception.h"
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32 #include "util/math/fife_math.h"
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33 #include "util/log/logger.h"
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34 #include "video/devicecaps.h"
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35
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36 #include "renderbackendsdl.h"
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37 #include "sdlimage.h"
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38 #include "SDL_image.h"
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39 #include "SDL_getenv.h"
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41 namespace FIFE {
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42 static Logger _log(LM_VIDEO);
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43
425
ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
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44 RenderBackendSDL::RenderBackendSDL(const SDL_Color& colorkey) : RenderBackend(colorkey) {
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45 }
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46
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47
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48 RenderBackendSDL::~RenderBackendSDL() {
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49 deinit();
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50 }
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51
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52 const std::string& RenderBackendSDL::getName() const {
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53 static std::string backend_name = "SDL";
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54 return backend_name;
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55 }
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
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56
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57 void RenderBackendSDL::init(const std::string& driver) {
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58 char* buf;
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59 if (driver != "") {
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60 std::string envVar = std::string("SDL_VIDEODRIVER=") + driver;
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61 buf = const_cast<char*>(envVar.c_str());
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62 putenv(buf);
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63 }
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64
0
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65 if (SDL_InitSubSystem(SDL_INIT_VIDEO) < 0)
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66 throw SDLException(SDL_GetError());
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67
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68 SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL); // temporary hack
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69 }
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70
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71 void RenderBackendSDL::clearBackBuffer() {
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72 SDL_Rect rect;
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73 rect.x = 0;
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74 rect.y = 0;
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75 rect.w = getWidth();
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76 rect.h = getHeight();
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77 SDL_SetClipRect(m_screen->getSurface(), &rect);
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78 SDL_FillRect(m_screen->getSurface(), 0, 0x00);
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79 }
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80
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81 Image* RenderBackendSDL::createMainScreen(const ScreenMode& mode, const std::string& title, const std::string& icon){
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82 if(icon != "") {
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83 SDL_Surface *img = IMG_Load(icon.c_str());
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84 if(img != NULL) {
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85 SDL_WM_SetIcon(img, 0);
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86 }
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87 }
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88
654
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89 Image *image = setScreenMode(mode);
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90
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91 SDL_WM_SetCaption(title.c_str(), 0);
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92
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93 return image;
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94 }
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95
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96 Image* RenderBackendSDL::setScreenMode(const ScreenMode& mode) {
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97 uint16_t width = mode.getWidth();
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98 uint16_t height = mode.getHeight();
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99 uint16_t bitsPerPixel = mode.getBPP();
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100 bool fs = mode.isFullScreen();
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101 uint32_t flags = mode.getSDLFlags();
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102
0
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103 SDL_Surface* screen = NULL;
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104
654
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105 if (bitsPerPixel != 0) {
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diff changeset
106 uint16_t bpp = SDL_VideoModeOK(width, height, bitsPerPixel, flags);
5d6b1820b953 * Added the ability to change screen modes on the fly. This works both in OpenGL and SDL modes.
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diff changeset
107 if (!bpp){
5d6b1820b953 * Added the ability to change screen modes on the fly. This works both in OpenGL and SDL modes.
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diff changeset
108 throw SDLException("Selected video mode not supported!");
0
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109 }
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diff changeset
110 }
654
5d6b1820b953 * Added the ability to change screen modes on the fly. This works both in OpenGL and SDL modes.
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diff changeset
111
5d6b1820b953 * Added the ability to change screen modes on the fly. This works both in OpenGL and SDL modes.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
112 screen = SDL_SetVideoMode(width, height, bitsPerPixel, flags);
5d6b1820b953 * Added the ability to change screen modes on the fly. This works both in OpenGL and SDL modes.
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diff changeset
113 if( !screen ) {
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diff changeset
114 throw SDLException("Unable to set video mode selected!");
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diff changeset
115 }
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116
0
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diff changeset
117 FL_LOG(_log, LMsg("RenderBackendSDL")
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diff changeset
118 << "Videomode " << width << "x" << height
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diff changeset
119 << " at " << int(screen->format->BitsPerPixel) << " bpp");
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diff changeset
120
653
01acc9fc35ea * Moved getCurrentScreenMode() to the renderbackend as renderbackend is what initializes the screen.
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diff changeset
121 //update the screen mode with the actual flags used
654
5d6b1820b953 * Added the ability to change screen modes on the fly. This works both in OpenGL and SDL modes.
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diff changeset
122 m_screenMode = ScreenMode(width,
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diff changeset
123 height,
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diff changeset
124 bitsPerPixel,
653
01acc9fc35ea * Moved getCurrentScreenMode() to the renderbackend as renderbackend is what initializes the screen.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
125 screen->flags);
01acc9fc35ea * Moved getCurrentScreenMode() to the renderbackend as renderbackend is what initializes the screen.
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126
0
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diff changeset
127 if (!screen) {
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diff changeset
128 throw SDLException(SDL_GetError());
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129 }
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130
654
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diff changeset
131 delete m_screen;
0
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diff changeset
132 m_screen = new SDLImage(screen);
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diff changeset
133 return m_screen;
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134 }
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135
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
136 void RenderBackendSDL::startFrame() {
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137 }
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138
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
139 void RenderBackendSDL::endFrame() {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
140 SDL_Flip(m_screen->getSurface());
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
141 }
0
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142
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
143 Image* RenderBackendSDL::createImage(SDL_Surface* surface) {
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diff changeset
144 return new SDLImage(surface);
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145 }
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diff changeset
146
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
147 Image* RenderBackendSDL::createImage(const uint8_t* data, unsigned int width, unsigned int height) {
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diff changeset
148 return new SDLImage(data, width, height);
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149 }
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
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diff changeset
150
661
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diff changeset
151 void RenderBackendSDL::setLightingModel(unsigned int lighting) {
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diff changeset
152 SDLException("Lighting not available under SDL");
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153 }
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diff changeset
154
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diff changeset
155 unsigned int RenderBackendSDL::getLightingModel() const {
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diff changeset
156 return 0;
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157 }
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diff changeset
158
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diff changeset
159 void RenderBackendSDL::enableLighting() {
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160 }
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diff changeset
161
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diff changeset
162 void RenderBackendSDL::disableLighting() {
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163 }
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diff changeset
164
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diff changeset
165 void RenderBackendSDL::setLighting(float red, float green, float blue, float alpha) {
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diff changeset
166 }
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diff changeset
167
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diff changeset
168 void RenderBackendSDL::resetLighting() {
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diff changeset
169 }
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diff changeset
170
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diff changeset
171 void RenderBackendSDL::enableStencilTest() {
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diff changeset
172 }
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diff changeset
173
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diff changeset
174 void RenderBackendSDL::disableStencilTest() {
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175 }
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diff changeset
176
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diff changeset
177 void RenderBackendSDL::setStencilTest(uint8_t stencil_ref, unsigned int stencil_op, unsigned int stencil_func) {
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178 }
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179
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diff changeset
180 void RenderBackendSDL::resetStencilBuffer(uint8_t buffer) {
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diff changeset
181 }
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diff changeset
182
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diff changeset
183 uint8_t RenderBackendSDL::getStencilRef() const {
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diff changeset
184 return 0;
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185 }
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diff changeset
186
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diff changeset
187 void RenderBackendSDL::enableAlphaTest() {
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diff changeset
188 }
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diff changeset
189
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diff changeset
190 void RenderBackendSDL::disableAlphaTest() {
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191 }
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diff changeset
192
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diff changeset
193 void RenderBackendSDL::setAlphaTest(float ref_alpha) {
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diff changeset
194 }
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diff changeset
195
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diff changeset
196 void RenderBackendSDL::changeBlending(int scr, int dst){
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diff changeset
197 }
668
e8a799239384 * This fixes the case were the engine would clear the screen twice
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198
583
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
199 bool RenderBackendSDL::putPixel(int x, int y, int r, int g, int b, int a) {
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
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diff changeset
200 return static_cast<SDLImage*>(m_screen)->putPixel(x, y, r, g, b, a);
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diff changeset
201 }
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
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diff changeset
202
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
203 void RenderBackendSDL::drawLine(const Point& p1, const Point& p2, int r, int g, int b, int a) {
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
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diff changeset
204 static_cast<SDLImage*>(m_screen)->drawLine(p1, p2, r, g, b, a);
0
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205 }
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
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diff changeset
206
583
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
207 void RenderBackendSDL::drawTriangle(const Point& p1, const Point& p2, const Point& p3, int r, int g, int b, int a) {
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diff changeset
208 static_cast<SDLImage*>(m_screen)->drawTriangle(p1, p2, p3, r, g, b, a);
0
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diff changeset
209 }
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
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diff changeset
210
631
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
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diff changeset
211 void RenderBackendSDL::drawRectangle(const Point& p, uint16_t w, uint16_t h, uint8_t r, uint8_t g, uint8_t b, uint8_t a) {
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
212 static_cast<SDLImage*>(m_screen)->drawRectangle(p, w, h, r, g, b, a);
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 589
diff changeset
213 }
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 589
diff changeset
214
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 589
diff changeset
215 void RenderBackendSDL::fillRectangle(const Point& p, uint16_t w, uint16_t h, uint8_t r, uint8_t g, uint8_t b, uint8_t a) {
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 589
diff changeset
216 static_cast<SDLImage*>(m_screen)->fillRectangle(p, w, h, r, g, b, a);
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 589
diff changeset
217 }
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 589
diff changeset
218
583
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 579
diff changeset
219 void RenderBackendSDL::drawQuad(const Point& p1, const Point& p2, const Point& p3, const Point& p4, int r, int g, int b, int a) {
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 579
diff changeset
220 static_cast<SDLImage*>(m_screen)->drawQuad(p1, p2, p3, p4, r, g, b, a);
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
221 }
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
222
583
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 579
diff changeset
223 void RenderBackendSDL::drawVertex(const Point& p, const uint8_t size, int r, int g, int b, int a){
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 579
diff changeset
224 static_cast<SDLImage*>(m_screen)->drawVertex(p, 2, r, g, b, a);
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
225 }
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
226
661
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
227 void RenderBackendSDL::drawLightPrimitive(const Point& p, uint8_t intensity, float radius, int subdivisions, float xstretch, float ystretch, uint8_t red, uint8_t green, uint8_t blue){
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
228 static_cast<SDLImage*>(m_screen)->drawLightPrimitive(p, intensity, radius, subdivisions, xstretch, ystretch, red, green, blue);
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
229 }
430
ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 425
diff changeset
230 }//FIFE