/**
* @brief This routine is responsible for initializing the OS specific portions of OpenGL
* @param[in,out] glConfig
* @param[in] context
*/
void GLimp_Init(glconfig_t *glConfig, windowContext_t *context)
{
SDL_version compiled;
SDL_version linked;
SDL_VERSION(&compiled);
SDL_GetVersion(&linked);
Com_Printf("SDL build version %d.%d.%d - link version %d.%d.%d.\n", compiled.major, compiled.minor, compiled.patch, linked.major, linked.minor, linked.patch);
GLimp_InitCvars();
if (Cvar_VariableIntegerValue("com_abnormalExit"))
{
Cvar_Set("r_mode", va("%d", R_MODE_FALLBACK));
Cvar_Set("r_fullscreen", "0");
Cvar_Set("r_centerWindow", "0");
Cvar_Set("com_abnormalExit", "0");
}
Sys_GLimpInit();
// Create the window and set up the context
if (GLimp_StartDriverAndSetMode(glConfig, r_mode->integer, (qboolean) !!r_fullscreen->integer, (qboolean) !!r_noBorder->integer, context))
{
goto success;
}
// Try again, this time in a platform specific "safe mode"
Sys_GLimpSafeInit();
if (GLimp_StartDriverAndSetMode(glConfig, r_mode->integer, (qboolean) !!r_fullscreen->integer, qfalse, context))
{
goto success;
}
// Finally, try the default screen resolution
if (r_mode->integer != R_MODE_FALLBACK)
{
Com_Printf("Setting r_mode %d failed, falling back on r_mode %d\n", r_mode->integer, R_MODE_FALLBACK);
if (GLimp_StartDriverAndSetMode(glConfig, R_MODE_FALLBACK, qfalse, qfalse, context))
{
goto success;
}
}
// Nothing worked, give up
Com_Error(ERR_VID_FATAL, "GLimp_Init() - could not load OpenGL subsystem\n");
success:
// Only using SDL_SetWindowBrightness to determine if hardware gamma is supported
glConfig->deviceSupportsGamma = !r_ignorehwgamma->integer && SDL_SetWindowBrightness(main_window, 1.0f) >= 0;
re.InitOpenGL();
Cvar_Get("r_availableModes", "", CVAR_ROM);
// This depends on SDL_INIT_VIDEO, hence having it here
IN_Init();
}
/*
===============
GLimp_Init
This routine is responsible for initializing the OS specific portions
of OpenGL
===============
*/
void GLimp_Init( void )
{
r_allowSoftwareGL = ri.Cvar_Get( "r_allowSoftwareGL", "0", CVAR_LATCH );
r_sdlDriver = ri.Cvar_Get( "r_sdlDriver", "", CVAR_ROM );
//r_allowResize = ri.Cvar_Get( "r_allowResize", "0", CVAR_ARCHIVE );
Sys_GLimpInit( );
#ifdef SDL_VIDEO_DRIVER_X11
XInitThreads( );
#endif
// create the window and set up the context
if( GLimp_StartDriverAndSetMode( ) )
goto success;
// Try again, this time in a platform specific "safe mode"
Sys_GLimpSafeInit( );
if( GLimp_StartDriverAndSetMode( ) )
goto success;
// Finally, try the default screen resolution
//if( GLimp_StartDriverAndSetMode( qtrue, r_fullscreen->integer ) )
// goto success;
// Nothing worked, give up
ri.Error( ERR_FATAL, "GLimp_Init() - could not load OpenGL subsystem\n" );
success:
// This values force the UI to disable driver selection
glConfig.driverType = GLDRV_ICD;
glConfig.hardwareType = GLHW_GENERIC;
glConfig.deviceSupportsGamma = (SDL_SetWindowBrightness( window, 1.0f ) == 0)?1:0;//FIXME: Use SDL_SetWindowGammaRamp with NULL instead?
// Mysteriously, if you use an NVidia graphics card and multiple monitors,
// SDL_SetGamma will incorrectly return false... the first time; ask
// again and you get the correct answer. This is a suspected driver bug, see
// http://bugzilla.icculus.org/show_bug.cgi?id=4316
//glConfig.deviceSupportsGamma = SDL_SetGamma( 1.0f, 1.0f, 1.0f ) >= 0;
// get our config strings
Q_strncpyz( glConfig.vendor_string, (char *) qglGetString (GL_VENDOR), sizeof( glConfig.vendor_string ) );
Q_strncpyz( glConfig.renderer_string, (char *) qglGetString (GL_RENDERER), sizeof( glConfig.renderer_string ) );
if (*glConfig.renderer_string && glConfig.renderer_string[strlen(glConfig.renderer_string) - 1] == '\n')
glConfig.renderer_string[strlen(glConfig.renderer_string) - 1] = 0;
Q_strncpyz( glConfig.version_string, (char *) qglGetString (GL_VERSION), sizeof( glConfig.version_string ) );
Q_strncpyz( glConfig.extensions_string, (char *) qglGetString (GL_EXTENSIONS), sizeof( glConfig.extensions_string ) );
// initialize extensions
GLimp_InitExtensions( );
ri.Cvar_Get( "r_availableModes", "", CVAR_ROM );
// This depends on SDL_INIT_VIDEO, hence having it here
IN_Init( );
}
/*
===============
GLimp_Init
This routine is responsible for initializing the OS specific portions
of OpenGL
===============
*/
void GLimp_Init( void )
{
r_allowSoftwareGL = ri.Cvar_Get( "r_allowSoftwareGL", "0", CVAR_LATCH );
r_sdlDriver = ri.Cvar_Get( "r_sdlDriver", "", CVAR_ROM );
r_allowResize = ri.Cvar_Get( "r_allowResize", "0", CVAR_ARCHIVE );
r_centerWindow = ri.Cvar_Get( "r_centerWindow", "0", CVAR_ARCHIVE );
if( Cvar_VariableIntegerValue( "com_abnormalExit" ) )
{
ri.Cvar_Set( "r_mode", va( "%d", R_MODE_FALLBACK ) );
ri.Cvar_Set( "r_fullscreen", "0" );
ri.Cvar_Set( "r_centerWindow", "0" );
ri.Cvar_Set( "com_abnormalExit", "0" );
ri.Cvar_Set( "r_postprocess", "none");
ri.Cvar_Set( "r_ext_vertex_shader", "0");
}
Sys_SetEnv( "SDL_VIDEO_CENTERED", r_centerWindow->integer ? "1" : "" );
Sys_GLimpInit( );
// Create the window and set up the context
if(GLimp_StartDriverAndSetMode(r_mode->integer, r_fullscreen->integer, r_noborder->integer))
goto success;
// Try again, this time in a platform specific "safe mode"
Sys_GLimpSafeInit( );
if(GLimp_StartDriverAndSetMode(r_mode->integer, r_fullscreen->integer, qfalse))
goto success;
// Finally, try the default screen resolution
if( r_mode->integer != R_MODE_FALLBACK )
{
ri.Printf( PRINT_ALL, "Setting r_mode %d failed, falling back on r_mode %d\n",
r_mode->integer, R_MODE_FALLBACK );
if(GLimp_StartDriverAndSetMode(R_MODE_FALLBACK, qfalse, qfalse))
goto success;
}
// Nothing worked, give up
ri.Error( ERR_FATAL, "GLimp_Init() - could not load OpenGL subsystem\n" );
success:
// This values force the UI to disable driver selection
glConfig.driverType = GLDRV_ICD;
glConfig.hardwareType = GLHW_GENERIC;
glConfig.deviceSupportsGamma = SDL_SetGamma( 1.0f, 1.0f, 1.0f ) >= 0;
// Mysteriously, if you use an NVidia graphics card and multiple monitors,
// SDL_SetGamma will incorrectly return false... the first time; ask
// again and you get the correct answer. This is a suspected driver bug, see
// http://bugzilla.icculus.org/show_bug.cgi?id=4316
glConfig.deviceSupportsGamma = SDL_SetGamma( 1.0f, 1.0f, 1.0f ) >= 0;
// get our config strings
Q_strncpyz( glConfig.vendor_string, (char *) qglGetString (GL_VENDOR), sizeof( glConfig.vendor_string ) );
Q_strncpyz( glConfig.renderer_string, (char *) qglGetString (GL_RENDERER), sizeof( glConfig.renderer_string ) );
if (*glConfig.renderer_string && glConfig.renderer_string[strlen(glConfig.renderer_string) - 1] == '\n')
glConfig.renderer_string[strlen(glConfig.renderer_string) - 1] = 0;
Q_strncpyz( glConfig.version_string, (char *) qglGetString (GL_VERSION), sizeof( glConfig.version_string ) );
Q_strncpyz( glConfig.extensions_string, (char *) qglGetString (GL_EXTENSIONS), sizeof( glConfig.extensions_string ) );
// initialize extensions
GLimp_InitExtensions( );
ri.Cvar_Get( "r_availableModes", "", CVAR_ROM );
// This depends on SDL_INIT_VIDEO, hence having it here
IN_Init( );
}
/*
===============
GLimp_Init
This routine is responsible for initializing the OS specific portions
of OpenGL
===============
*/
void GLimp_Init( void )
{
r_allowSoftwareGL = Cvar_Get( "r_allowSoftwareGL", "0", CVAR_LATCH );
r_sdlDriver = Cvar_Get( "r_sdlDriver", "", CVAR_ROM );
r_allowResize = Cvar_Get( "r_allowResize", "0", CVAR_ARCHIVE );
r_centerWindow = Cvar_Get( "r_centerWindow", "0", CVAR_ARCHIVE );
r_noborder = Cvar_Get( "r_noborder", "0", CVAR_ARCHIVE );
qboolean fullscreen, noborder;
if( Cvar_VariableIntegerValue( "com_abnormalExit" ) )
{
Cvar_Set( "r_mode", va( "%d", R_MODE_FALLBACK ) );
Cvar_Set( "r_fullscreen", "0" );
Cvar_Set( "r_centerWindow", "0" );
Cvar_Set( "com_abnormalExit", "0" );
}
#ifdef notyet
Sys_SetEnv( "SDL_VIDEO_CENTERED", r_centerWindow->integer ? "1" : "" );
#endif
Sys_GLimpInit( );
fullscreen = (r_fullscreen->integer) ? qtrue : qfalse;
noborder = (r_noborder->integer) ? qtrue : qfalse;
// Create the window and set up the context
if(GLimp_StartDriverAndSetMode(r_mode->integer, fullscreen, noborder))
goto success;
// Try again, this time in a platform specific "safe mode"
Sys_GLimpSafeInit( );
if(GLimp_StartDriverAndSetMode(r_mode->integer, fullscreen, qfalse))
goto success;
// Finally, try the default screen resolution
if( r_mode->integer != R_MODE_FALLBACK )
{
Com_Printf( "Setting r_mode %d failed, falling back on r_mode %d\n",
r_mode->integer, R_MODE_FALLBACK );
if(GLimp_StartDriverAndSetMode(R_MODE_FALLBACK, qfalse, qfalse))
goto success;
}
// Nothing worked, give up
Com_Error( ERR_FATAL, "GLimp_Init() - could not load OpenGL subsystem" );
success:
#if 0
// This values force the UI to disable driver selection
glConfig.driverType = GLDRV_ICD;
glConfig.hardwareType = GLHW_GENERIC;
#endif
glConfig.deviceSupportsGamma = (SDL_SetGamma( 1.0f, 1.0f, 1.0f ) >= 0) ? qtrue : qfalse;
// Mysteriously, if you use an NVidia graphics card and multiple monitors,
// SDL_SetGamma will incorrectly return false... the first time; ask
// again and you get the correct answer. This is a suspected driver bug, see
// http://bugzilla.icculus.org/show_bug.cgi?id=4316
glConfig.deviceSupportsGamma = (SDL_SetGamma( 1.0f, 1.0f, 1.0f ) >= 0) ? qtrue : qfalse;
if ( -1 == r_ignorehwgamma->integer)
glConfig.deviceSupportsGamma = qtrue;
if ( 1 == r_ignorehwgamma->integer)
glConfig.deviceSupportsGamma = qfalse;
// get our config strings
glConfig.vendor_string = (const char *) qglGetString (GL_VENDOR);
glConfig.renderer_string = (const char *) qglGetString (GL_RENDERER);
glConfig.version_string = (const char *) qglGetString (GL_VERSION);
glConfig.extensions_string = (const char *) qglGetString (GL_EXTENSIONS);
// OpenGL driver constants
qglGetIntegerv( GL_MAX_TEXTURE_SIZE, &glConfig.maxTextureSize );
// stubbed or broken drivers may have reported 0...
if ( glConfig.maxTextureSize <= 0 )
{
glConfig.maxTextureSize = 0;
}
// initialize extensions
GLimp_InitExtensions( );
Cvar_Get( "r_availableModes", "", CVAR_ROM );
// This depends on SDL_INIT_VIDEO, hence having it here
IN_Init( );
}
