diff options
Diffstat (limited to 'src/x11')
| -rw-r--r-- | src/x11/mod.rs | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/src/x11/mod.rs b/src/x11/mod.rs index 3478d8c..857ee92 100644 --- a/src/x11/mod.rs +++ b/src/x11/mod.rs @@ -197,182 +197,3 @@ impl Drop for Window { unsafe { ffi::XCloseDisplay(self.display) } } } - - - -/* - printf( "Getting matching framebuffer configs\n" ); - int fbcount; - GLXFBConfig* fbc = glXChooseFBConfig(display, DefaultScreen(display), visual_attribs, &fbcount); - if (!fbc) - { - printf( "Failed to retrieve a framebuffer config\n" ); - exit(1); - } - printf( "Found %d matching FB configs.\n", fbcount ); - - // Pick the FB config/visual with the most samples per pixel - printf( "Getting XVisualInfos\n" ); - int best_fbc = -1, worst_fbc = -1, best_num_samp = -1, worst_num_samp = 999; - - int i; - for (i=0; i<fbcount; ++i) - { - XVisualInfo *vi = glXGetVisualFromFBConfig( display, fbc[i] ); - if ( vi ) - { - int samp_buf, samples; - glXGetFBConfigAttrib( display, fbc[i], GLX_SAMPLE_BUFFERS, &samp_buf ); - glXGetFBConfigAttrib( display, fbc[i], GLX_SAMPLES , &samples ); - - printf( " Matching fbconfig %d, visual ID 0x%2x: SAMPLE_BUFFERS = %d," - " SAMPLES = %d\n", - i, vi -> visualid, samp_buf, samples ); - - if ( best_fbc < 0 || samp_buf && samples > best_num_samp ) - best_fbc = i, best_num_samp = samples; - if ( worst_fbc < 0 || !samp_buf || samples < worst_num_samp ) - worst_fbc = i, worst_num_samp = samples; - } - XFree( vi ); - } - - GLXFBConfig bestFbc = fbc[ best_fbc ]; - - // Be sure to free the FBConfig list allocated by glXChooseFBConfig() - XFree( fbc ); - - // Get a visual - XVisualInfo *vi = glXGetVisualFromFBConfig( display, bestFbc ); - printf( "Chosen visual ID = 0x%x\n", vi->visualid ); - - printf( "Creating colormap\n" ); - XSetWindowAttributes swa; - Colormap cmap; - swa.colormap = cmap = XCreateColormap( display, - RootWindow( display, vi->screen ), - vi->visual, AllocNone ); - swa.background_pixmap = None ; - swa.border_pixel = 0; - swa.event_mask = StructureNotifyMask; - - printf( "Creating window\n" ); - Window win = XCreateWindow( display, RootWindow( display, vi->screen ), - 0, 0, 100, 100, 0, vi->depth, InputOutput, - vi->visual, - CWBorderPixel|CWColormap|CWEventMask, &swa ); - if ( !win ) - { - printf( "Failed to create window.\n" ); - exit(1); - } - - // Done with the visual info data - XFree( vi ); - - XStoreName( display, win, "GL 3.0 Window" ); - - printf( "Mapping window\n" ); - XMapWindow( display, win ); - - // Get the default screen's GLX extension list - const char *glxExts = glXQueryExtensionsString( display, - DefaultScreen( display ) ); - - // NOTE: It is not necessary to create or make current to a context before - // calling glXGetProcAddressARB - glXCreateContextAttribsARBProc glXCreateContextAttribsARB = 0; - glXCreateContextAttribsARB = (glXCreateContextAttribsARBProc) - glXGetProcAddressARB( (const GLubyte *) "glXCreateContextAttribsARB" ); - - GLXContext ctx = 0; - - // Install an X error handler so the application won't exit if GL 3.0 - // context allocation fails. - // - // Note this error handler is global. All display connections in all threads - // of a process use the same error handler, so be sure to guard against other - // threads issuing X commands while this code is running. - ctxErrorOccurred = false; - int (*oldHandler)(Display*, XErrorEvent*) = - XSetErrorHandler(&ctxErrorHandler); - - // Check for the GLX_ARB_create_context extension string and the function. - // If either is not present, use GLX 1.3 context creation method. - if ( !isExtensionSupported( glxExts, "GLX_ARB_create_context" ) || - !glXCreateContextAttribsARB ) - { - printf( "glXCreateContextAttribsARB() not found" - " ... using old-style GLX context\n" ); - ctx = glXCreateNewContext( display, bestFbc, GLX_RGBA_TYPE, 0, True ); - } - - // If it does, try to get a GL 3.0 context! - else - { - int context_attribs[] = - { - GLX_CONTEXT_MAJOR_VERSION_ARB, 3, - GLX_CONTEXT_MINOR_VERSION_ARB, 0, - //GLX_CONTEXT_FLAGS_ARB , GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB, - None - }; - - printf( "Creating context\n" ); - ctx = glXCreateContextAttribsARB( display, bestFbc, 0, - True, context_attribs ); - - // Sync to ensure any errors generated are processed. - XSync( display, False ); - if ( !ctxErrorOccurred && ctx ) - printf( "Created GL 3.0 context\n" ); - else - { - // Couldn't create GL 3.0 context. Fall back to old-style 2.x context. - // When a context version below 3.0 is requested, implementations will - // return the newest context version compatible with OpenGL versions less - // than version 3.0. - // GLX_CONTEXT_MAJOR_VERSION_ARB = 1 - context_attribs[1] = 1; - // GLX_CONTEXT_MINOR_VERSION_ARB = 0 - context_attribs[3] = 0; - - ctxErrorOccurred = false; - - printf( "Failed to create GL 3.0 context" - " ... using old-style GLX context\n" ); - ctx = glXCreateContextAttribsARB( display, bestFbc, 0, - True, context_attribs ); - } - } - - // Sync to ensure any errors generated are processed. - XSync( display, False ); - - // Restore the original error handler - XSetErrorHandler( oldHandler ); - - if ( ctxErrorOccurred || !ctx ) - { - printf( "Failed to create an OpenGL context\n" ); - exit(1); - } - - // Verifying that context is a direct context - if ( ! glXIsDirect ( display, ctx ) ) - { - printf( "Indirect GLX rendering context obtained\n" ); - } - else - { - printf( "Direct GLX rendering context obtained\n" ); - } - - printf( "Making context current\n" ); - glXMakeCurrent( display, win, ctx ); - - glClearColor( 0, 0.5, 1, 1 ); - glClear( GL_COLOR_BUFFER_BIT ); - glXSwapBuffers ( display, win ); - -*/
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