Mercurial > fife-parpg

annotate engine/core/video/opengl/renderbackendopengl.cpp @ 661:e3140f01749d

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* Merged the light branch back into trunk. * Modified the demos so they work with the new loaders and setting.
author helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
date Fri, 05 Nov 2010 15:21:10 +0000
parents 5d6b1820b953
children 46258f467c8c
rev   line source
0
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1 /***************************************************************************
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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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 // Platform specific includes
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25
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26 // 3rd party library includes
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27 #include <SDL.h>
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28
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29 // FIFE includes
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30 #include "util/base/exception.h"
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31 #include "util/log/logger.h"
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32 #include "video/devicecaps.h"
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33
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34 #include "fife_opengl.h"
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35 #include "glimage.h"
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36 #include "renderbackendopengl.h"
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37 #include "SDL_image.h"
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38
661
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39
0
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40 namespace FIFE {
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41 static Logger _log(LM_VIDEO);
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42
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]
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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43 RenderBackendOpenGL::RenderBackendOpenGL(const SDL_Color& colorkey) : RenderBackend(colorkey) {
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44 // Get the pixelformat we want.
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45 SDL_Surface* testsurface = SDL_CreateRGBSurface(SDL_SWSURFACE | SDL_SRCALPHA, 1, 1, 32,
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46 RMASK, GMASK, BMASK ,AMASK);
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48 m_rgba_format = *(testsurface->format);
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49 SDL_FreeSurface(testsurface);
634
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50 m_clear = false;
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51 m_lightmodel = 0;
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52 m_light_enabled = false;
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53 m_stencil_enabled = false;
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54 m_alpha_enabled = false;
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55 m_sten_ref = 0;
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56 m_sten_buf = 0;
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57 m_sten_op = 0;
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58 m_sten_func = 0;
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59 m_blend_src = GL_SRC_ALPHA;
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60 m_blend_dst = GL_ONE_MINUS_SRC_ALPHA;
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61 }
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62
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63 const std::string& RenderBackendOpenGL::getName() const {
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64 static std::string backend_name = "OpenGL";
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65 return backend_name;
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66 }
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67
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68 RenderBackendOpenGL::~RenderBackendOpenGL() {
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69 }
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70
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71
640
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72 void RenderBackendOpenGL::init(const std::string& driver) {
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73
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74 //note: driver has no affect on the opengl renderer so do nothing with it here.
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75
0
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76 Uint32 flags = SDL_INIT_VIDEO;
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77 if (SDL_InitSubSystem(flags) < 0)
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78 throw SDLException(SDL_GetError());
59
129d3dafd3a5 fix initialization of opengl, SDL_GL_DOUBLEBUFFER was accidently used as flag for SDL_SetVideoMode, instead it has to be used with SDL_GL_SetAttribute, thanks to austin_, who reported that.
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79 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
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80 SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8);
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81
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82 SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL); // temporary hack
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83
0
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84 }
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85
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86 void RenderBackendOpenGL::clearBackBuffer() {
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87 GLDisable flag(GL_SCISSOR_TEST);
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88 glClear(GL_COLOR_BUFFER_BIT);
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89 }
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90
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91 Image* RenderBackendOpenGL::createMainScreen(const ScreenMode& mode, const std::string& title, const std::string& icon){
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92 if(icon != "") {
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93 SDL_Surface *img = IMG_Load(icon.c_str());
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94 if(img != NULL) {
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95 SDL_WM_SetIcon(img, 0);
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96 }
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97 }
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98
654
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99 Image *image = setScreenMode(mode);
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100
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101 SDL_WM_SetCaption(title.c_str(), 0);
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102
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103 return image;
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104 }
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105
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diff changeset
106 Image* RenderBackendOpenGL::setScreenMode(const ScreenMode& mode) {
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
parents: 653
diff changeset
107 uint16_t width = mode.getWidth();
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
parents: 653
diff changeset
108 uint16_t height = mode.getHeight();
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
parents: 653
diff changeset
109 uint16_t bitsPerPixel = mode.getBPP();
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
parents: 653
diff changeset
110 bool fs = mode.isFullScreen();
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
parents: 653
diff changeset
111 uint32_t flags = mode.getSDLFlags();
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
parents: 653
diff changeset
112
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
113 SDL_Surface* screen = NULL;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
114
654
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
parents: 653
diff changeset
115 if (bitsPerPixel != 0) {
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
parents: 653
diff changeset
116 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.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 653
diff changeset
117 if (!bpp){
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
parents: 653
diff changeset
118 throw SDLException("Selected video mode not supported!");
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
parents: 653
diff changeset
119 }
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
parents: 653
diff changeset
120 }
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
121
654
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
parents: 653
diff changeset
122 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.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 653
diff changeset
123 if( !screen ) {
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
parents: 653
diff changeset
124 throw SDLException("Unable to set video mode selected!");
0
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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125 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
126
642
6e2151325017 * Added the ability to query the current running screen mode
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 640
diff changeset
127 FL_LOG(_log, LMsg("RenderBackendOpenGL")
6e2151325017 * Added the ability to query the current running screen mode
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 640
diff changeset
128 << "Videomode " << width << "x" << height
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prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 640
diff changeset
129 << " at " << int(bitsPerPixel) << " bpp");
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prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 640
diff changeset
130
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
131 //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.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
132 m_screenMode = ScreenMode(width,
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
133 height,
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
134 bitsPerPixel,
653
01acc9fc35ea * Moved getCurrentScreenMode() to the renderbackend as renderbackend is what initializes the screen.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 642
diff changeset
135 screen->flags);
01acc9fc35ea * Moved getCurrentScreenMode() to the renderbackend as renderbackend is what initializes the screen.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 642
diff changeset
136
0
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
137
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
138 if (!screen) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
139 throw SDLException(SDL_GetError());
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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140 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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141
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
142 glViewport(0, 0, width, height);
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
143 glMatrixMode(GL_PROJECTION);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
144 gluOrtho2D(0, width, height, 0);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
145 glMatrixMode(GL_MODELVIEW);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
146
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
147 glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
661
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
148
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
149 glEnable(GL_TEXTURE_2D);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
150 glEnable(GL_BLEND);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
151 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
152
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
153 glEnable(GL_SCISSOR_TEST);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
154
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
155 glPointSize(1.0);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
156 glLineWidth(1.0);
661
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
157 delete m_screen;
654
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
158 delete m_screen;
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
159 m_screen = new GLImage(screen);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
160 return m_screen;
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
161 }
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
162
654
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prock@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
163
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
164 void RenderBackendOpenGL::startFrame() {
579
b2feacaed53c * Added the colorbuffer patch with a small change due to SDL. Performance boost between 20-30% under OpenGL.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
165 if(m_clear) {
634
5f381fa34769 * Added the clearBackBuffer() function to the renderbackends.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 633
diff changeset
166 clearBackBuffer();
579
b2feacaed53c * Added the colorbuffer patch with a small change due to SDL. Performance boost between 20-30% under OpenGL.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
167 }
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
168 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
169
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
170 void RenderBackendOpenGL::endFrame() {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
171 SDL_GL_SwapBuffers();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
172 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
173
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
174 Image* RenderBackendOpenGL::createImage(SDL_Surface* surface) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
175 // Given an abritary surface, we must convert it to the format GLImage will understand.
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
176 // It's easiest to let SDL do this for us.
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
177
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
178 // Uh. Gotta love this :-)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
179 // Check for colorkey too?
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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180 // Leave out the loss/shift checks?
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
181 if( m_rgba_format.BitsPerPixel == surface->format->BitsPerPixel
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
182 && m_rgba_format.Rmask == surface->format->Rmask
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
183 && m_rgba_format.Gmask == surface->format->Gmask
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
184 && m_rgba_format.Bmask == surface->format->Bmask
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
185 && m_rgba_format.Amask == surface->format->Amask
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
186 && m_rgba_format.Rshift == surface->format->Rshift
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
187 && m_rgba_format.Gshift == surface->format->Gshift
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
188 && m_rgba_format.Bshift == surface->format->Bshift
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
189 && m_rgba_format.Ashift == surface->format->Ashift
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
190 && m_rgba_format.Rloss == surface->format->Rloss
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
191 && m_rgba_format.Gloss == surface->format->Gloss
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
192 && m_rgba_format.Bloss == surface->format->Bloss
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
193 && m_rgba_format.Aloss == surface->format->Aloss
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
194 && surface->flags & SDL_SRCALPHA ) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
195
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
196 return new GLImage(surface);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
197 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
198
661
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
199 SDL_Surface* conv = SDL_ConvertSurface(surface, &m_rgba_format, SDL_SWSURFACE | SDL_SRCALPHA);
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
200 GLImage* image = new GLImage(conv);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
201 SDL_FreeSurface( surface );
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
202 return image;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
203 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
204
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
205 Image* RenderBackendOpenGL::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
parents:
diff changeset
206 return new GLImage(data, width, height);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
207 }
417
14e8087cde2c Fixed the problem where the opengl renderer was leaving traces on the screen after closing maps in the editor. [t:392]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 346
diff changeset
208
661
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
209 void RenderBackendOpenGL::setLightingModel(unsigned int lighting) {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
210 if (m_lightmodel != lighting) {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
211 if (m_lightmodel == 1) {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
212 disableLighting();
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
213 glDisable(GL_COLOR_MATERIAL);
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helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
214 } else if (lighting == 1) {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
215 enableLighting();
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
216 glEnable(GL_LIGHT0);
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helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
217 glColorMaterial(GL_FRONT, GL_DIFFUSE);
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
218 glEnable(GL_COLOR_MATERIAL);
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
219 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
220 m_lightmodel = lighting;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
221 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
222 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
223
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
224 unsigned int RenderBackendOpenGL::getLightingModel() const {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
225 return m_lightmodel;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
226 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
227
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
228 void RenderBackendOpenGL::enableLighting() {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
229 if (m_lightmodel == 1 && !m_light_enabled) {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
230 glEnable(GL_LIGHTING);
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
231 m_light_enabled = true;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
232 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
233 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
234
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
235 void RenderBackendOpenGL::disableLighting() {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
236 if (m_lightmodel == 1 && m_light_enabled) {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
237 glDisable(GL_LIGHTING);
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
238 m_light_enabled = false;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
239 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
240 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
241
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
242 void RenderBackendOpenGL::setLighting(float red, float green, float blue, float alpha) {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
243 if (m_lightmodel == 1) {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
244 GLfloat lightDiffuse[] = {red, green, blue, alpha};
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
245 glLightfv(GL_LIGHT0, GL_DIFFUSE, lightDiffuse);
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
246 } else if(m_lightmodel == 2) {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
247 m_lred = red;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
248 m_lgreen = green;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
249 m_lblue = blue;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
250 m_lalpha = alpha;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
251 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
252 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
253
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
254 void RenderBackendOpenGL::resetLighting() {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
255 if (m_lightmodel == 1) {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
256 setLighting(1.0, 1.0, 1.0, 1.0);
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
257 } else if (m_lightmodel == 2 && m_lalpha > 0.01) {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
258 uint16_t width = getScreenWidth();
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
259 uint16_t height = getScreenHeight();
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
260 Point p = Point(0,0);
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
261 setStencilTest(0, 0, 5);
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
262 fillRectangle(p, width, height, m_lred*255, m_lgreen*255, m_lblue*255, m_lalpha*255);
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
263 disableStencilTest();
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
264 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
265 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
266
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
267 void RenderBackendOpenGL::enableStencilTest() {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
268 if (!m_stencil_enabled) {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
269 glEnable(GL_STENCIL_TEST);
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
270 m_stencil_enabled = true;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
271 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
272 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
273
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
274 void RenderBackendOpenGL::disableStencilTest() {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
275 if (m_stencil_enabled) {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
276 glDisable(GL_STENCIL_TEST);
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
277 m_stencil_enabled = false;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
278 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
279 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
280
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
281 void RenderBackendOpenGL::setStencilTest(uint8_t stencil_ref, unsigned int stencil_op, unsigned int stencil_func) {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
282 enableStencilTest();
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
283 if(m_sten_op != stencil_op) {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
284 GLenum op;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
285 m_sten_op = stencil_op;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
286 switch(stencil_op) {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
287 default :
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
288 case 0 : op = GL_KEEP; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
289 case 1 : op = GL_ZERO; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
290 case 2 : op = GL_REPLACE; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
291 case 3 : op = GL_INCR; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
292 case 4 : op = GL_DECR; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
293 case 5 : op = GL_INVERT; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
294 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
295 glStencilOp(GL_KEEP, GL_KEEP, op);
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
296 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
297
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
298 if(m_sten_ref != stencil_ref || m_sten_func != stencil_func) {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
299 GLenum func;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
300 m_sten_ref = stencil_ref;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
301 m_sten_func = stencil_func;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
302 switch(stencil_func) {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
303 default :
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
304 case 0 : func = GL_NEVER; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
305 case 1 : func = GL_LESS; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
306 case 2 : func = GL_LEQUAL; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
307 case 3 : func = GL_GREATER; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
308 case 4 : func = GL_GEQUAL; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
309 case 5 : func = GL_EQUAL; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
310 case 6 : func = GL_NOTEQUAL; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
311 case 7 : func = GL_ALWAYS; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
312 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
313 glStencilFunc(func, stencil_ref, 0xff);
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
314 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
315 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
316
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
317 void RenderBackendOpenGL::resetStencilBuffer(uint8_t buffer) {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
318 if (buffer != m_sten_buf) {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
319 m_sten_buf = buffer;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
320 glClearStencil(buffer);
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
321 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
322 GLDisable flag(GL_SCISSOR_TEST);
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
323 glClear(GL_STENCIL_BUFFER_BIT);
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
324 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
325
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
326 uint8_t RenderBackendOpenGL::getStencilRef() const {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
327 return m_sten_ref;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
328 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
329
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
330 void RenderBackendOpenGL::enableAlphaTest() {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
331 if (!m_alpha_enabled) {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
332 glEnable(GL_ALPHA_TEST);
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
333 m_alpha_enabled = true;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
334 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
335 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
336
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
337 void RenderBackendOpenGL::disableAlphaTest() {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
338 if (m_alpha_enabled) {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
339 glDisable(GL_ALPHA_TEST);
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
340 m_alpha_enabled = false;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
341 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
342 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
343
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
344 void RenderBackendOpenGL::setAlphaTest(float ref_alpha) {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
345 enableAlphaTest();
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
346 glAlphaFunc(GL_GREATER, ref_alpha);
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
347 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
348
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
349 void RenderBackendOpenGL::changeBlending(int src, int dst) {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
350 GLenum src_fact;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
351 GLenum dst_fact;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
352
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
353 switch(src) {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
354 case 0 : src_fact = GL_ZERO; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
355 case 1 : src_fact = GL_ONE; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
356 case 2 : src_fact = GL_DST_COLOR; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
357 case 3 : src_fact = GL_ONE_MINUS_DST_COLOR; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
358 case 4 : src_fact = GL_SRC_ALPHA; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
359 case 5 : src_fact = GL_ONE_MINUS_SRC_ALPHA; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
360 case 6 : src_fact = GL_DST_ALPHA; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
361 case 7 : src_fact = GL_ONE_MINUS_DST_ALPHA; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
362
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
363 default : src_fact = GL_DST_COLOR; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
364 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
365
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
366 switch(dst) {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
367 case 0 : dst_fact = GL_ZERO; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
368 case 1 : dst_fact = GL_ONE; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
369 case 2 : dst_fact = GL_SRC_COLOR; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
370 case 3 : dst_fact = GL_ONE_MINUS_SRC_COLOR; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
371 case 4 : dst_fact = GL_SRC_ALPHA; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
372 case 5 : dst_fact = GL_ONE_MINUS_SRC_ALPHA; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
373 case 6 : dst_fact = GL_DST_ALPHA; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
374 case 7 : dst_fact = GL_ONE_MINUS_DST_ALPHA; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
375
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
376 default : dst_fact = GL_SRC_ALPHA; break;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
377 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
378
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
379 if (m_blend_src != src_fact || m_blend_dst != dst_fact) {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
380 m_blend_src = src_fact;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
381 m_blend_dst = dst_fact;
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
382 glBlendFunc(src_fact, dst_fact);
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
383 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
384 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
385
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
386 bool RenderBackendOpenGL::putPixel(int x, int y, int r, int g, int b, int a) {
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
387 if ((x < 0) || (x >= (int)getWidth()) || (y < 0) || (y >= (int)getHeight())) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
388 return false;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
389 }
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
390
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
391 glColor4ub(r, g, b, 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
392
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
393 glBegin(GL_POINTS);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
394 glVertex2i(x, y);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
395 glEnd();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
396 return true;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
397 }
417
14e8087cde2c Fixed the problem where the opengl renderer was leaving traces on the screen after closing maps in the editor. [t:392]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 346
diff changeset
398
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
399 void RenderBackendOpenGL::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.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 579
diff changeset
400 glColor4ub(r, g, b, 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
401
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
402 glBegin(GL_LINES);
579
b2feacaed53c * Added the colorbuffer patch with a small change due to SDL. Performance boost between 20-30% under OpenGL.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
403 glVertex2f(p1.x+0.5f, p1.y+0.5f);
b2feacaed53c * Added the colorbuffer patch with a small change due to SDL. Performance boost between 20-30% under OpenGL.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
404 glVertex2f(p2.x+0.5f, p2.y+0.5f);
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
405 glEnd();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
406
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
407 glBegin(GL_POINTS);
579
b2feacaed53c * Added the colorbuffer patch with a small change due to SDL. Performance boost between 20-30% under OpenGL.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
408 glVertex2f(p2.x+0.5f, p2.y+0.5f);
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
409 glEnd();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
410 }
417
14e8087cde2c Fixed the problem where the opengl renderer was leaving traces on the screen after closing maps in the editor. [t:392]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 346
diff changeset
411
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
412 void RenderBackendOpenGL::drawTriangle(const Point& p1, const Point& p2, const Point& p3, 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
413 glColor4ub(r, g, b, a);
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 583
diff changeset
414
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
415 glBegin(GL_TRIANGLES);
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
416 glVertex2f(p1.x, p1.y);
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
417 glVertex2f(p2.x, p2.y);
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
418 glVertex2f(p3.x, p3.y);
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
419 glEnd();
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
420 }
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
421
631
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 620
diff changeset
422 void RenderBackendOpenGL::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
parents: 620
diff changeset
423 glColor4ub(r, g, b, a);
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 620
diff changeset
424
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 620
diff changeset
425 glBegin(GL_LINE_LOOP);
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 620
diff changeset
426 glVertex2f(p.x, p.y);
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 620
diff changeset
427 glVertex2f(p.x+w, p.y);
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 620
diff changeset
428 glVertex2f(p.x+w, p.y+h);
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 620
diff changeset
429 glVertex2f(p.x, p.y+h);
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 620
diff changeset
430 glEnd();
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 620
diff changeset
431 }
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 620
diff changeset
432
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 620
diff changeset
433 void RenderBackendOpenGL::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: 620
diff changeset
434 glColor4ub(r, g, b, a);
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 620
diff changeset
435
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 620
diff changeset
436 glBegin(GL_QUADS);
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 620
diff changeset
437 glVertex2f(p.x, p.y);
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 620
diff changeset
438 glVertex2f(p.x+w, p.y);
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 620
diff changeset
439 glVertex2f(p.x+w, p.y+h);
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 620
diff changeset
440 glVertex2f(p.x, p.y+h);
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 620
diff changeset
441 glEnd();
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 620
diff changeset
442 }
f3457443c95f * Added drawRectangle() and fillRectangle() functions to the renderers
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 620
diff changeset
443
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
444 void RenderBackendOpenGL::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
445 glColor4ub(r, g, b, a);
620
853d25234671 * Moved the GLEnable and GLDisable structures from opengl_gui_graphics.cpp to fife_opengl.h as they may prove to be useful elsewhere.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 583
diff changeset
446
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
447 glBegin(GL_QUADS);
579
b2feacaed53c * Added the colorbuffer patch with a small change due to SDL. Performance boost between 20-30% under OpenGL.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
448 glVertex2f(p1.x, p1.y);
b2feacaed53c * Added the colorbuffer patch with a small change due to SDL. Performance boost between 20-30% under OpenGL.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
449 glVertex2f(p2.x, p2.y);
b2feacaed53c * Added the colorbuffer patch with a small change due to SDL. Performance boost between 20-30% under OpenGL.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
450 glVertex2f(p3.x, p3.y);
b2feacaed53c * Added the colorbuffer patch with a small change due to SDL. Performance boost between 20-30% under OpenGL.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
451 glVertex2f(p4.x, p4.y);
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
452 glEnd();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
453 }
417
14e8087cde2c Fixed the problem where the opengl renderer was leaving traces on the screen after closing maps in the editor. [t:392]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 346
diff changeset
454
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
455 void RenderBackendOpenGL::drawVertex(const Point& p, const uint8_t size, int r, int g, int b, int 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
456 GLfloat width;
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
457 glGetFloatv(GL_LINE_WIDTH, &width);
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
458 glLineWidth(1.0);
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
459
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
460 glColor4ub(r, g, b, 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
461
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
462 glBegin(GL_LINE_LOOP);
579
b2feacaed53c * Added the colorbuffer patch with a small change due to SDL. Performance boost between 20-30% under OpenGL.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
463 glVertex2f(p.x-size, p.y+size);
b2feacaed53c * Added the colorbuffer patch with a small change due to SDL. Performance boost between 20-30% under OpenGL.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
464 glVertex2f(p.x+size, p.y+size);
b2feacaed53c * Added the colorbuffer patch with a small change due to SDL. Performance boost between 20-30% under OpenGL.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
465 glVertex2f(p.x+size, p.y-size);
b2feacaed53c * Added the colorbuffer patch with a small change due to SDL. Performance boost between 20-30% under OpenGL.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 430
diff changeset
466 glVertex2f(p.x-size, p.y-size);
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
467 glEnd();
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
468
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
469 glLineWidth(width);
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
470 }
661
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
471
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
472 void RenderBackendOpenGL::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
473 glBegin(GL_TRIANGLE_FAN);
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
474 glColor4ub(red, green, blue, intensity);
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
475 glVertex2f(p.x, p.y);
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
476 if (m_lightmodel == 2) {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
477 glColor4ub(0, 0, 0, intensity);
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
478 } else {
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
479 glColor4ub(0, 0, 0, 255);
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
480 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
481 for(float angle=0; angle<=Mathf::twoPi(); angle+=(Mathf::twoPi()/subdivisions)){
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
482 glVertex2f( radius*Mathf::Cos(angle)*xstretch + p.x,
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
483 radius*Mathf::Sin(angle)*ystretch + p.y);
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
484 }
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
485 glVertex2f(p.x+radius*xstretch, p.y);
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
486 glEnd();
e3140f01749d * Merged the light branch back into trunk.
helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 654
diff changeset
487 }
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
488 }