source: OGRE/trunk/ogrenew/RenderSystems/GL/src/SDL/OgreSDLGLSupport.cpp @ 692

Revision 692, 4.5 KB checked in by mattausch, 19 years ago (diff)

adding ogre 1.2 and dependencies

Line 
1#include "OgreException.h"
2#include "OgreLogManager.h"
3#include "OgreStringConverter.h"
4
5#include "OgreSDLGLSupport.h"
6
7#include "OgreSDLWindow.h"
8
9using namespace Ogre;
10
11SDLGLSupport::SDLGLSupport()
12{
13
14    SDL_Init(SDL_INIT_VIDEO);
15}
16
17SDLGLSupport::~SDLGLSupport()
18{
19}
20
21void SDLGLSupport::addConfig(void)
22{
23    mVideoModes = SDL_ListModes(NULL, SDL_FULLSCREEN | SDL_OPENGL);
24   
25    if (mVideoModes == (SDL_Rect **)0)
26    {
27        OGRE_EXCEPT(999, "Unable to load video modes",
28                "SDLRenderSystem::initConfigOptions");
29    }
30
31    ConfigOption optFullScreen;
32    ConfigOption optVideoMode;
33    ConfigOption optFSAA;
34        ConfigOption optRTTMode;
35
36    // FS setting possiblities
37    optFullScreen.name = "Full Screen";
38    optFullScreen.possibleValues.push_back("Yes");
39    optFullScreen.possibleValues.push_back("No");
40    optFullScreen.currentValue = "Yes";
41    optFullScreen.immutable = false;
42
43    // Video mode possiblities
44    optVideoMode.name = "Video Mode";
45    optVideoMode.immutable = false;
46    for (size_t i = 0; mVideoModes[i]; i++)
47    {
48        char szBuf[16];
49                snprintf(szBuf, 16, "%d x %d", mVideoModes[i]->w, mVideoModes[i]->h);
50        optVideoMode.possibleValues.push_back(szBuf);
51        // Make the first one default
52        if (i == 0)
53        {
54            optVideoMode.currentValue = szBuf;
55        }
56    }
57   
58    //FSAA possibilities
59    optFSAA.name = "FSAA";
60    optFSAA.possibleValues.push_back("0");
61    optFSAA.possibleValues.push_back("2");
62    optFSAA.possibleValues.push_back("4");
63    optFSAA.possibleValues.push_back("6");
64    optFSAA.currentValue = "0";
65    optFSAA.immutable = false;
66
67        optRTTMode.name = "RTT Preferred Mode";
68        optRTTMode.possibleValues.push_back("FBO");
69        optRTTMode.possibleValues.push_back("PBuffer");
70        optRTTMode.possibleValues.push_back("Copy");
71        optRTTMode.currentValue = "FBO";
72        optRTTMode.immutable = false;
73
74
75    mOptions[optFullScreen.name] = optFullScreen;
76    mOptions[optVideoMode.name] = optVideoMode;
77    mOptions[optFSAA.name] = optFSAA;
78        mOptions[optRTTMode.name] = optRTTMode;
79
80}
81
82String SDLGLSupport::validateConfig(void)
83{
84    return String("");
85}
86
87RenderWindow* SDLGLSupport::createWindow(bool autoCreateWindow, GLRenderSystem* renderSystem, const String& windowTitle)
88{
89        if (autoCreateWindow)
90    {
91        ConfigOptionMap::iterator opt = mOptions.find("Full Screen");
92        if (opt == mOptions.end())
93            OGRE_EXCEPT(999, "Can't find full screen options!", "SDLGLSupport::createWindow");
94        bool fullscreen = (opt->second.currentValue == "Yes");
95
96        opt = mOptions.find("Video Mode");
97        if (opt == mOptions.end())
98            OGRE_EXCEPT(999, "Can't find video mode options!", "SDLGLSupport::createWindow");
99        String val = opt->second.currentValue;
100        String::size_type pos = val.find('x');
101        if (pos == String::npos)
102            OGRE_EXCEPT(999, "Invalid Video Mode provided", "SDLGLSupport::createWindow");
103
104                // Parse FSAA config
105                NameValuePairList winOptions;
106                winOptions["title"] = windowTitle;
107        int fsaa_x_samples = 0;
108        opt = mOptions.find("FSAA");
109        if(opt != mOptions.end())
110        {
111                        winOptions["FSAA"] = opt->second.currentValue;
112        }
113
114        unsigned int w = StringConverter::parseUnsignedInt(val.substr(0, pos));
115        unsigned int h = StringConverter::parseUnsignedInt(val.substr(pos + 1));
116
117        const SDL_VideoInfo* videoInfo = SDL_GetVideoInfo();
118        return renderSystem->createRenderWindow(windowTitle, w, h, fullscreen, &winOptions);
119    }
120    else
121    {
122        // XXX What is the else?
123                return NULL;
124    }
125
126}
127
128
129RenderWindow* SDLGLSupport::newWindow(const String &name, unsigned int width, unsigned int height,
130        bool fullScreen, const NameValuePairList *miscParams)
131{
132        SDLWindow* window = new SDLWindow();
133        window->create(name, width, height, fullScreen, miscParams);
134        return window;
135}
136
137void SDLGLSupport::start()
138{
139    LogManager::getSingleton().logMessage(
140        "******************************\n"
141        "*** Starting SDL Subsystem ***\n"
142        "******************************");
143
144    SDL_Init(SDL_INIT_VIDEO);
145}
146
147void SDLGLSupport::stop()
148{
149    LogManager::getSingleton().logMessage(
150        "******************************\n"
151        "*** Stopping SDL Subsystem ***\n"
152        "******************************");
153
154    SDL_Quit();
155}
156
157void* SDLGLSupport::getProcAddress(const String& procname)
158{
159    return SDL_GL_GetProcAddress(procname.c_str());
160}
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