+void* wxGLCanvas::ChooseGLVisual(int *attribList)
+{
+ int data[512];
+ if (!attribList)
+ {
+ // default settings if attriblist = 0
+ data[0] = GLX_RGBA;
+ data[1] = GLX_DOUBLEBUFFER;
+ data[2] = GLX_DEPTH_SIZE; data[3] = 1;
+ data[4] = GLX_RED_SIZE; data[5] = 1;
+ data[6] = GLX_GREEN_SIZE; data[7] = 1;
+ data[8] = GLX_BLUE_SIZE; data[9] = 1;
+ data[10] = GLX_ALPHA_SIZE; data[11] = 0;
+ data[12] = None;
+
+ attribList = (int*) data;
+ }
+ else
+ {
+ int arg=0, p=0;
+
+ while( (attribList[arg]!=0) && (p<510) )
+ {
+ switch( attribList[arg++] )
+ {
+ case WX_GL_RGBA: data[p++] = GLX_RGBA; break;
+ case WX_GL_BUFFER_SIZE:
+ data[p++]=GLX_BUFFER_SIZE; data[p++]=attribList[arg++]; break;
+ case WX_GL_LEVEL:
+ data[p++]=GLX_LEVEL; data[p++]=attribList[arg++]; break;
+ case WX_GL_DOUBLEBUFFER: data[p++] = GLX_DOUBLEBUFFER; break;
+ case WX_GL_STEREO: data[p++] = GLX_STEREO; break;
+ case WX_GL_AUX_BUFFERS:
+ data[p++]=GLX_AUX_BUFFERS; data[p++]=attribList[arg++]; break;
+ case WX_GL_MIN_RED:
+ data[p++]=GLX_RED_SIZE; data[p++]=attribList[arg++]; break;
+ case WX_GL_MIN_GREEN:
+ data[p++]=GLX_GREEN_SIZE; data[p++]=attribList[arg++]; break;
+ case WX_GL_MIN_BLUE:
+ data[p++]=GLX_BLUE_SIZE; data[p++]=attribList[arg++]; break;
+ case WX_GL_MIN_ALPHA:
+ data[p++]=GLX_ALPHA_SIZE; data[p++]=attribList[arg++]; break;
+ case WX_GL_DEPTH_SIZE:
+ data[p++]=GLX_DEPTH_SIZE; data[p++]=attribList[arg++]; break;
+ case WX_GL_STENCIL_SIZE:
+ data[p++]=GLX_STENCIL_SIZE; data[p++]=attribList[arg++]; break;
+ case WX_GL_MIN_ACCUM_RED:
+ data[p++]=GLX_ACCUM_RED_SIZE; data[p++]=attribList[arg++]; break;
+ case WX_GL_MIN_ACCUM_GREEN:
+ data[p++]=GLX_ACCUM_GREEN_SIZE; data[p++]=attribList[arg++]; break;
+ case WX_GL_MIN_ACCUM_BLUE:
+ data[p++]=GLX_ACCUM_BLUE_SIZE; data[p++]=attribList[arg++]; break;
+ case WX_GL_MIN_ACCUM_ALPHA:
+ data[p++]=GLX_ACCUM_ALPHA_SIZE; data[p++]=attribList[arg++]; break;
+ default:
+ break;
+ }
+ }
+ data[p] = 0;
+
+ attribList = (int*) data;
+ }
+
+
+ Display *dpy = GDK_DISPLAY();
+
+ return glXChooseVisual( dpy, DefaultScreen(dpy), attribList );
+}
+