void fgNewWGLCreateContext( SFG_Window* window )
{
HGLRC context;
int attributes[9];
PFNWGLCREATECONTEXTATTRIBSARBPROC wglCreateContextAttribsARB;
/* If nothing fancy has been required, leave the context as it is */
if ( fghIsLegacyContextRequested() )
{
return;
}
wglMakeCurrent( window->Window.pContext.Device, window->Window.Context );
if ( !fghIsExtensionSupported( window->Window.pContext.Device, "WGL_ARB_create_context" ) )
{
/* wglCreateContextAttribsARB not found, yet the user has requested the new context creation */
fgWarning( "OpenGL >2.1 context requested but wglCreateContextAttribsARB is not available! Falling back to legacy context creation" );
/* Legacy context already created at this point in WM_CREATE path of fgPlatformWindowProc, just return */
return;
}
/* new context creation */
fghFillContextAttributes( attributes );
wglCreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC) wglGetProcAddress( "wglCreateContextAttribsARB" );
if ( wglCreateContextAttribsARB == NULL )
{
/* wglCreateContextAttribsARB not found, yet the user has requested the new context creation */
fgWarning( "OpenGL >2.1 context requested but wglCreateContextAttribsARB is not available! Falling back to legacy context creation" );
/* Legacy context already created at this point in WM_CREATE path of fgPlatformWindowProc, just return */
return;
}
context = wglCreateContextAttribsARB( window->Window.pContext.Device, 0, attributes );
if ( context == NULL )
{
fghContextCreationError();
}
wglMakeCurrent( NULL, NULL );
wglDeleteContext( window->Window.Context );
window->Window.Context = context;
}
void fgNewWGLCreateContext( SFG_Window* window )
{
HGLRC context;
int attributes[9];
PFNWGLCREATECONTEXTATTRIBSARBPROC wglCreateContextAttribsARB;
/* If nothing fancy has been required, leave the context as it is */
if ( fghIsLegacyContextRequested() )
{
return;
}
wglMakeCurrent( window->Window.pContext.Device, window->Window.Context );
if ( !fghIsExtensionSupported( window->Window.pContext.Device, "WGL_ARB_create_context" ) )
{
return;
}
/* new context creation */
fghFillContextAttributes( attributes );
wglCreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC) wglGetProcAddress( "wglCreateContextAttribsARB" );
if ( wglCreateContextAttribsARB == NULL )
{
fgError( "wglCreateContextAttribsARB not found" );
}
context = wglCreateContextAttribsARB( window->Window.pContext.Device, 0, attributes );
if ( context == NULL )
{
fghContextCreationError();
}
wglMakeCurrent( NULL, NULL );
wglDeleteContext( window->Window.Context );
window->Window.Context = context;
}
