int fgPlatformGlutGet ( GLenum eWhat )
{
switch (eWhat) {
/* One full-screen window only */
case GLUT_WINDOW_X:
case GLUT_WINDOW_Y:
case GLUT_WINDOW_BORDER_WIDTH:
case GLUT_WINDOW_HEADER_HEIGHT:
return 0;
case GLUT_WINDOW_WIDTH:
case GLUT_WINDOW_HEIGHT:
{
if ( fgStructure.CurrentWindow == NULL || *fgStructure.CurrentWindow->Window.Handle == NULL )
return 0;
int32_t width = ANativeWindow_getWidth(*fgStructure.CurrentWindow->Window.Handle);
int32_t height = ANativeWindow_getHeight(*fgStructure.CurrentWindow->Window.Handle);
switch ( eWhat )
{
case GLUT_WINDOW_WIDTH:
return width;
case GLUT_WINDOW_HEIGHT:
return height;
}
}
case GLUT_WINDOW_COLORMAP_SIZE:
/* 0 for RGBA/non-indexed mode */
/* Under Android and GLES more generally, no indexed-mode */
return 0;
default:
return fghPlatformGlutGetEGL(eWhat);
}
return -1;
}
int fgPlatformGlutGet ( GLenum eWhat )
{
switch( eWhat )
{
/*
* Those calls are somewhat similiar, as they use XGetWindowAttributes()
* function
*/
case GLUT_WINDOW_X:
case GLUT_WINDOW_Y:
case GLUT_WINDOW_BORDER_WIDTH:
case GLUT_WINDOW_HEADER_HEIGHT:
{
int x, y;
Window w;
if( fgStructure.CurrentWindow == NULL )
return 0;
XTranslateCoordinates(
fgDisplay.pDisplay.Display,
fgStructure.CurrentWindow->Window.Handle,
fgDisplay.pDisplay.RootWindow,
0, 0, &x, &y, &w);
switch ( eWhat )
{
case GLUT_WINDOW_X: return x;
case GLUT_WINDOW_Y: return y;
}
if ( w == 0 )
return 0;
XTranslateCoordinates(
fgDisplay.pDisplay.Display,
fgStructure.CurrentWindow->Window.Handle,
w, 0, 0, &x, &y, &w);
switch ( eWhat )
{
case GLUT_WINDOW_BORDER_WIDTH: return x;
case GLUT_WINDOW_HEADER_HEIGHT: return y;
}
}
case GLUT_WINDOW_WIDTH:
case GLUT_WINDOW_HEIGHT:
{
XWindowAttributes winAttributes;
if( fgStructure.CurrentWindow == NULL )
return 0;
XGetWindowAttributes(
fgDisplay.pDisplay.Display,
fgStructure.CurrentWindow->Window.Handle,
&winAttributes
);
switch ( eWhat )
{
case GLUT_WINDOW_WIDTH: return winAttributes.width ;
case GLUT_WINDOW_HEIGHT: return winAttributes.height ;
}
}
/* Colormap size is handled in a bit different way than all the rest */
case GLUT_WINDOW_COLORMAP_SIZE:
if(
#ifndef EGL_VERSION_1_0
fgPlatformGetConfig( GLX_RGBA ) ||
#endif
fgStructure.CurrentWindow == NULL)
{
/*
* We've got a RGBA visual, so there is no colormap at all.
* The other possibility is that we have no current window set.
*/
return 0;
}
else
{
XVisualInfo * visualInfo;
int result;
#ifdef EGL_VERSION_1_0
EGLint vid = 0;
XVisualInfo visualTemplate;
int num_visuals;
if (!eglGetConfigAttrib(fgDisplay.pDisplay.egl.Display,
fgStructure.CurrentWindow->Window.pContext.egl.Config,
EGL_NATIVE_VISUAL_ID, &vid))
fgError("eglGetConfigAttrib(EGL_NATIVE_VISUAL_ID) failed");
visualTemplate.visualid = vid;
visualInfo = XGetVisualInfo(fgDisplay.pDisplay.Display, VisualIDMask, &visualTemplate, &num_visuals);
#else
{
const GLXFBConfig fbconfig =
fgStructure.CurrentWindow->Window.pContext.FBConfig;
visualInfo =
glXGetVisualFromFBConfig( fgDisplay.pDisplay.Display, fbconfig );
}
#endif
result = visualInfo->visual->map_entries;
XFree(visualInfo);
return result;
}
default:
#ifdef EGL_VERSION_1_0
return fghPlatformGlutGetEGL(eWhat);
#else
return fghPlatformGlutGetGLX(eWhat);
#endif
}
}
int fgPlatformGlutGet ( GLenum eWhat )
{
switch( eWhat )
{
/*
* Those calls are pointless under Wayland, so inform the user
*/
case GLUT_WINDOW_X:
case GLUT_WINDOW_Y:
{
if( fgStructure.CurrentWindow == NULL )
{
return 0;
}
else
{
fgWarning( "glutGet(): GLUT_WINDOW_X/Y properties "
"unsupported under Wayland" );
return -1;
}
}
/*
* TODO : support this correctly once we will start drawing
* client-side decorations
*/
case GLUT_WINDOW_BORDER_WIDTH:
case GLUT_WINDOW_HEADER_HEIGHT:
{
if( fgStructure.CurrentWindow == NULL ||
fgStructure.CurrentWindow->Parent )
/* can't get widths/heights if no current window
* and child windows don't have borders */
return 0;
return 0;
}
case GLUT_WINDOW_WIDTH:
case GLUT_WINDOW_HEIGHT:
{
if( fgStructure.CurrentWindow == NULL )
return 0;
switch ( eWhat )
{
case GLUT_WINDOW_WIDTH:
return fgStructure.CurrentWindow->State.Width;
case GLUT_WINDOW_HEIGHT:
return fgStructure.CurrentWindow->State.Height;
}
}
/* Colormap size is handled in a bit different way than all the rest */
case GLUT_WINDOW_COLORMAP_SIZE:
{
if( fgStructure.CurrentWindow == NULL )
{
return 0;
}
else
{
int result = 0;
if ( ! eglGetConfigAttrib( fgDisplay.pDisplay.egl.Display,
fgStructure.CurrentWindow->Window.pContext.egl.Config,
EGL_BUFFER_SIZE, &result ) )
fgError( "eglGetConfigAttrib(EGL_BUFFER_SIZE) failed" );
return result;
}
}
default:
return fghPlatformGlutGetEGL( eWhat );
}
}
