2 * $Source: /cvs/cvsroot/d2x/arch/ogl/sdlgl.c,v $
5 * $Date: 2001-11-08 10:19:52 $
7 * Graphics functions for SDL-GL.
9 * $Log: not supported by cvs2svn $
10 * Revision 1.3 2001/11/04 09:02:18 bradleyb
11 * Hack to keep SDL from screwing up X when it crashes
13 * Revision 1.2 2001/10/31 07:35:48 bradleyb
16 * Revision 1.1 2001/10/25 08:25:34 bradleyb
17 * Finished moving stuff to arch/blah. I know, it's ugly, but It'll be easier to sync with d1x.
19 * Revision 1.4 2001/10/09 08:17:07 bradleyb
20 * changed window caption to include version info
22 * Revision 1.3 2001/10/09 02:58:20 bradleyb
23 * Added window caption, hide mouse cursor
25 * Revision 1.2 2001/01/29 13:47:52 bradleyb
26 * Fixed build, some minor cleanups.
41 static int curx=-1,cury=-1,curfull=0;
43 void ogl_do_fullscreen_internal(void){
44 ogl_init_window(curx,cury);
47 void ogl_swap_buffers_internal(void){
51 int ogl_init_window(int x, int y){
53 if (x==curx && y==cury && curfull==ogl_fullscreen)
55 if (ogl_fullscreen || curfull)
56 ogl_smash_texture_list_internal();//if we are or were fullscreen, changing vid mode will invalidate current textures
58 SDL_WM_SetCaption(DESCENT_VERSION, "Descent II");
59 if (!SDL_SetVideoMode(x,y, 16, SDL_OPENGL | (ogl_fullscreen?SDL_FULLSCREEN:0))) {
60 Error("Could not set %dx%dx16 opengl video mode\n",x,y);
64 curx=x;cury=y;curfull=ogl_fullscreen;
70 void ogl_destroy_window(void){
72 ogl_smash_texture_list_internal();
75 //well..SDL doesn't really let you kill the window.. so we just need to wait for sdl_quit
82 if ((t=FindArg("-gl_red")))
83 SDL_GL_SetAttribute( SDL_GL_RED_SIZE, atoi(Args[t+1]) );
84 if ((t=FindArg("-gl_green")))
85 SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, atoi(Args[t+1]) );
86 if ((t=FindArg("-gl_blue")))
87 SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, atoi(Args[t+1]) );
88 if ((t=FindArg("-gl_alpha")))
89 SDL_GL_SetAttribute( SDL_GL_ALPHA_SIZE, atoi(Args[t+1]) );
90 if ((t=FindArg("-gl_buffer")))
91 SDL_GL_SetAttribute( SDL_GL_BUFFER_SIZE, atoi(Args[t+1]) );
92 // SDL_GL_SetAttribute( SDL_GL_RED_SIZE, 5 );
93 // SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, 5 );
94 // SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, 5 );
95 // SDL_GL_SetAttribute( SDL_GL_ALPHA_SIZE, 8 );
98 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE,0);
99 SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE,0);
100 SDL_GL_SetAttribute(SDL_GL_ACCUM_RED_SIZE,0);
101 SDL_GL_SetAttribute(SDL_GL_ACCUM_GREEN_SIZE,0);
102 SDL_GL_SetAttribute(SDL_GL_ACCUM_BLUE_SIZE,0);
103 SDL_GL_SetAttribute(SDL_GL_ACCUM_ALPHA_SIZE,0);
104 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER,1);
108 void ogl_close(void){
109 #if 0 // shouldn't really be necessary...
112 ogl_do_fullscreen_internal();
115 ogl_destroy_window();