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annotate engine/core/video/sdl/renderbackendsdl.cpp @ 46:90005975cdbb

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* Final LGPL switch step by adjusting the file headers * Remaining issues (just slightly related to the unittest switch): * No working unittest solution for msvc2005 yet * Unittests not working with mingw + scons either though this seems hard to impossible to fix without an expert in this field * sample_unit_test.cpp would need to get modified for unittest++; it still contains the old boost unittest code
author mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
date Sun, 13 Jul 2008 11:05:12 +0000
parents 4a0efb7baf70
children 18c2a21ac0ad
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 * *
46
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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. *
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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
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35 #include "renderbackendsdl.h"
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36 #include "sdlimage.h"
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37
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38 namespace FIFE {
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39 static Logger _log(LM_VIDEO);
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40
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41 RenderBackendSDL::RenderBackendSDL() : RenderBackend() {
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42 }
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43
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44
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45 RenderBackendSDL::~RenderBackendSDL() {
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46 deinit();
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47 }
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48
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49 const std::string& RenderBackendSDL::getName() const {
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50 static std::string backend_name = "SDL";
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51 return backend_name;
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52 }
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53
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54 void RenderBackendSDL::init() {
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55 if (SDL_InitSubSystem(SDL_INIT_VIDEO) < 0)
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56 throw SDLException(SDL_GetError());
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57
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58 SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL); // temporary hack
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59 }
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60
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61 Image* RenderBackendSDL::createMainScreen(unsigned int width, unsigned int height, unsigned char bitsPerPixel, bool fs) {
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62 Uint32 flags = 0;
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63 if (fs) {
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64 flags |= SDL_FULLSCREEN;
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65 }
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66
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67 SDL_Surface* screen = NULL;
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68
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69 if( 0 == bitsPerPixel ) {
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70 /// autodetect best mode
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71 unsigned char possibleBitsPerPixel[] = {16, 24, 32, 0};
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72 int i = 0;
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73 while( true ) {
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74 bitsPerPixel = possibleBitsPerPixel[i];
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75 if( !bitsPerPixel ) {
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76 // Last try, sometimes VideoModeOK seems to lie.
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77 // Try bpp=0
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78 screen = SDL_SetVideoMode(width, height, bitsPerPixel, flags);
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79 if( !screen ) {
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80 throw SDLException("Videomode not available");
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81 }
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82 break;
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83 }
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84 bitsPerPixel = SDL_VideoModeOK(width, height, bitsPerPixel, flags);
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85 if ( bitsPerPixel ) {
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86 screen = SDL_SetVideoMode(width, height, bitsPerPixel, flags);
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87 if( screen ) {
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88 break;
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89 }
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90 }
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91 ++i;
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92 }
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93 } else {
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94 if ( !SDL_VideoModeOK(width, height, bitsPerPixel, flags) ) {
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95 throw SDLException("Videomode not available");
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96 }
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97 screen = SDL_SetVideoMode(width, height, bitsPerPixel, flags);
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98 }
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99 FL_LOG(_log, LMsg("RenderBackendSDL")
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100 << "Videomode " << width << "x" << height
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101 << " at " << int(screen->format->BitsPerPixel) << " bpp");
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102
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103 SDL_WM_SetCaption("FIFE", NULL);
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104
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105 if (!screen) {
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106 throw SDLException(SDL_GetError());
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107 }
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108
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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109 m_screen = new SDLImage(screen);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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110 return m_screen;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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111 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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112
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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113 void RenderBackendSDL::startFrame() {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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114 SDL_FillRect(m_screen->getSurface(), 0, 0x00);
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115 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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116
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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117 void RenderBackendSDL::endFrame() {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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118 SDL_Flip(m_screen->getSurface());
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119 }
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120
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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121 Image* RenderBackendSDL::createImage(SDL_Surface* surface) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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122 return new SDLImage(surface);
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123 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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124
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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125 Image* RenderBackendSDL::createImage(const uint8_t* data, unsigned int width, unsigned int height) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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126 return new SDLImage(data, width, height);
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127 }
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128
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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129 bool RenderBackendSDL::putPixel(int x, int y, int r, int g, int b) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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130 return static_cast<SDLImage*>(m_screen)->putPixel(x, y, r, g, b);
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131 }
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132
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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133 void RenderBackendSDL::drawLine(const Point& p1, const Point& p2, int r, int g, int b) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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134 static_cast<SDLImage*>(m_screen)->drawLine(p1, p2, r, g, b);
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135 }
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136
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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137 void RenderBackendSDL::drawQuad(const Point& p1, const Point& p2, const Point& p3, const Point& p4, int r, int g, int b) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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138 static_cast<SDLImage*>(m_screen)->drawQuad(p1, p2, p3, p4, r, g, b);
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139 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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140 }