Splitting the X11-specific "freeglut_state.c" code into its own file
git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@1055 7f0cb862-5218-0410-a997-914c9d46530a
This commit is contained in:
fayjf
parent
7757664f12
commit
a200464a1a
@ -44,280 +44,13 @@
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extern int fgPlatformGlutGet ( GLenum eWhat );
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extern int fgPlatformGlutGet ( GLenum eWhat );
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extern int fgPlatformGlutDeviceGet ( GLenum eWhat );
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extern int fgPlatformGlutDeviceGet ( GLenum eWhat );
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extern int fgPlatformGlutLayerGet ( GLenum eWhat );
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extern int fgPlatformGlutLayerGet ( GLenum eWhat );
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extern int *fgPlatformGlutGetModeValues(GLenum eWhat, int *size);
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/* A helper function to check if a display mode is possible to use */
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#if TARGET_HOST_POSIX_X11
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GLXFBConfig* fgChooseFBConfig( int* numcfgs );
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#endif
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/* -- LOCAL DEFINITIONS ---------------------------------------------------- */
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/* -- LOCAL DEFINITIONS ---------------------------------------------------- */
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/* -- PRIVATE FUNCTIONS ---------------------------------------------------- */
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/* -- PRIVATE FUNCTIONS ---------------------------------------------------- */
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#if TARGET_HOST_POSIX_X11
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/*
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* Queries the GL context about some attributes
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*/
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static int fghGetConfig( int attribute )
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{
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int returnValue = 0;
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int result; /* Not checked */
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if( fgStructure.CurrentWindow )
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result = glXGetFBConfigAttrib( fgDisplay.pDisplay.Display,
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*(fgStructure.CurrentWindow->Window.pContext.FBConfig),
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attribute,
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&returnValue );
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return returnValue;
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}
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int fgPlatformGlutGet ( GLenum eWhat )
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{
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int nsamples = 0;
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switch( eWhat )
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{
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/*
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* The window/context specific queries are handled mostly by
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* fghGetConfig().
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*/
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case GLUT_WINDOW_NUM_SAMPLES:
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#ifdef GLX_VERSION_1_3
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glGetIntegerv(GL_SAMPLES, &nsamples);
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#endif
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return nsamples;
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/*
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* The rest of GLX queries under X are general enough to use a macro to
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* check them
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*/
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# define GLX_QUERY(a,b) case a: return fghGetConfig( b );
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GLX_QUERY( GLUT_WINDOW_RGBA, GLX_RGBA );
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GLX_QUERY( GLUT_WINDOW_DOUBLEBUFFER, GLX_DOUBLEBUFFER );
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GLX_QUERY( GLUT_WINDOW_BUFFER_SIZE, GLX_BUFFER_SIZE );
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GLX_QUERY( GLUT_WINDOW_STENCIL_SIZE, GLX_STENCIL_SIZE );
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GLX_QUERY( GLUT_WINDOW_DEPTH_SIZE, GLX_DEPTH_SIZE );
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GLX_QUERY( GLUT_WINDOW_RED_SIZE, GLX_RED_SIZE );
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GLX_QUERY( GLUT_WINDOW_GREEN_SIZE, GLX_GREEN_SIZE );
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GLX_QUERY( GLUT_WINDOW_BLUE_SIZE, GLX_BLUE_SIZE );
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GLX_QUERY( GLUT_WINDOW_ALPHA_SIZE, GLX_ALPHA_SIZE );
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GLX_QUERY( GLUT_WINDOW_ACCUM_RED_SIZE, GLX_ACCUM_RED_SIZE );
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GLX_QUERY( GLUT_WINDOW_ACCUM_GREEN_SIZE, GLX_ACCUM_GREEN_SIZE );
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GLX_QUERY( GLUT_WINDOW_ACCUM_BLUE_SIZE, GLX_ACCUM_BLUE_SIZE );
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GLX_QUERY( GLUT_WINDOW_ACCUM_ALPHA_SIZE, GLX_ACCUM_ALPHA_SIZE );
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GLX_QUERY( GLUT_WINDOW_STEREO, GLX_STEREO );
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# undef GLX_QUERY
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/* Colormap size is handled in a bit different way than all the rest */
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case GLUT_WINDOW_COLORMAP_SIZE:
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if( (fghGetConfig( GLX_RGBA )) || (fgStructure.CurrentWindow == NULL) )
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{
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/*
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* We've got a RGBA visual, so there is no colormap at all.
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* The other possibility is that we have no current window set.
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*/
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return 0;
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}
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else
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{
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const GLXFBConfig * fbconfig =
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fgStructure.CurrentWindow->Window.pContext.FBConfig;
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XVisualInfo * visualInfo =
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glXGetVisualFromFBConfig( fgDisplay.pDisplay.Display, *fbconfig );
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const int result = visualInfo->visual->map_entries;
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XFree(visualInfo);
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return result;
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}
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/*
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* Those calls are somewhat similiar, as they use XGetWindowAttributes()
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* function
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*/
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case GLUT_WINDOW_X:
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case GLUT_WINDOW_Y:
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case GLUT_WINDOW_BORDER_WIDTH:
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case GLUT_WINDOW_HEADER_HEIGHT:
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{
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int x, y;
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Window w;
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if( fgStructure.CurrentWindow == NULL )
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return 0;
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XTranslateCoordinates(
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fgDisplay.pDisplay.Display,
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fgStructure.CurrentWindow->Window.Handle,
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fgDisplay.pDisplay.RootWindow,
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0, 0, &x, &y, &w);
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switch ( eWhat )
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{
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case GLUT_WINDOW_X: return x;
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case GLUT_WINDOW_Y: return y;
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}
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if ( w == 0 )
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return 0;
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XTranslateCoordinates(
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fgDisplay.pDisplay.Display,
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fgStructure.CurrentWindow->Window.Handle,
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w, 0, 0, &x, &y, &w);
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switch ( eWhat )
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{
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case GLUT_WINDOW_BORDER_WIDTH: return x;
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case GLUT_WINDOW_HEADER_HEIGHT: return y;
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}
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}
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case GLUT_WINDOW_WIDTH:
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case GLUT_WINDOW_HEIGHT:
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{
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XWindowAttributes winAttributes;
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if( fgStructure.CurrentWindow == NULL )
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return 0;
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XGetWindowAttributes(
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fgDisplay.pDisplay.Display,
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fgStructure.CurrentWindow->Window.Handle,
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&winAttributes
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);
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switch ( eWhat )
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{
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case GLUT_WINDOW_WIDTH: return winAttributes.width ;
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case GLUT_WINDOW_HEIGHT: return winAttributes.height ;
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}
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}
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/* I do not know yet if there will be a fgChooseVisual() function for Win32 */
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case GLUT_DISPLAY_MODE_POSSIBLE:
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{
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/* We should not have to call fgChooseFBConfig again here. */
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GLXFBConfig * fbconfig;
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int isPossible;
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fbconfig = fgChooseFBConfig(NULL);
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if (fbconfig == NULL)
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{
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isPossible = 0;
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}
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else
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{
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isPossible = 1;
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XFree(fbconfig);
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}
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return isPossible;
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}
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/* This is system-dependant */
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case GLUT_WINDOW_FORMAT_ID:
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if( fgStructure.CurrentWindow == NULL )
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return 0;
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return fghGetConfig( GLX_VISUAL_ID );
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default:
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fgWarning( "glutGet(): missing enum handle %d", eWhat );
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break;
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}
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}
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int fgPlatformGlutDeviceGet ( GLenum eWhat )
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{
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switch( eWhat )
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{
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case GLUT_HAS_KEYBOARD:
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/*
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* X11 has a core keyboard by definition, although it can
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* be present as a virtual/dummy keyboard. For now, there
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* is no reliable way to tell if a real keyboard is present.
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*/
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return 1;
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/* X11 has a mouse by definition */
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case GLUT_HAS_MOUSE:
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return 1 ;
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case GLUT_NUM_MOUSE_BUTTONS:
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/* We should be able to pass NULL when the last argument is zero,
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* but at least one X server has a bug where this causes a segfault.
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*
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* In XFree86/Xorg servers, a mouse wheel is seen as two buttons
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* rather than an Axis; "freeglut_main.c" expects this when
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* checking for a wheel event.
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*/
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{
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unsigned char map;
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int nbuttons = XGetPointerMapping(fgDisplay.pDisplay.Display, &map,0);
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return nbuttons;
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}
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default:
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fgWarning( "glutDeviceGet(): missing enum handle %d", eWhat );
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break;
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}
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/* And now -- the failure. */
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return -1;
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}
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int fgPlatformGlutLayerGet( GLenum eWhat )
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{
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/*
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* This is easy as layers are not implemented ;-)
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*
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* XXX Can we merge the UNIX/X11 and WIN32 sections? Or
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* XXX is overlay support planned?
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*/
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switch( eWhat )
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{
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case GLUT_OVERLAY_POSSIBLE:
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return 0;
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case GLUT_LAYER_IN_USE:
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return GLUT_NORMAL;
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case GLUT_HAS_OVERLAY:
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return 0;
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case GLUT_TRANSPARENT_INDEX:
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/*
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* Return just anything, which is always defined as zero
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*
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* XXX HUH?
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*/
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return 0;
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case GLUT_NORMAL_DAMAGED:
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/* XXX Actually I do not know. Maybe. */
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return 0;
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case GLUT_OVERLAY_DAMAGED:
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return -1;
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default:
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fgWarning( "glutLayerGet(): missing enum handle %d", eWhat );
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break;
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}
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/* And fail. That's good. Programs do love failing. */
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return -1;
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}
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#endif
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/* -- INTERFACE FUNCTIONS -------------------------------------------------- */
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/* -- INTERFACE FUNCTIONS -------------------------------------------------- */
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@ -574,112 +307,14 @@ int FGAPIENTRY glutLayerGet( GLenum eWhat )
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return -1;
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return -1;
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}
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}
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int * FGAPIENTRY glutGetModeValues(GLenum eWhat, int * size)
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int * FGAPIENTRY glutGetModeValues(GLenum eWhat, int *size)
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{
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{
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int * array;
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int *array;
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#if TARGET_HOST_POSIX_X11
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int attributes[9];
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GLXFBConfig * fbconfigArray; /* Array of FBConfigs */
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int fbconfigArraySize; /* Number of FBConfigs in the array */
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int attribute_name = 0;
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#endif
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FREEGLUT_EXIT_IF_NOT_INITIALISED("glutGetModeValues");
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FREEGLUT_EXIT_IF_NOT_INITIALISED("glutGetModeValues");
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array = NULL;
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*size = 0;
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*size = 0;
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array = fgPlatformGlutGetModeValues ( eWhat, size );
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switch (eWhat)
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{
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#if TARGET_HOST_POSIX_X11
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case GLUT_AUX:
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case GLUT_MULTISAMPLE:
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attributes[0] = GLX_BUFFER_SIZE;
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attributes[1] = GLX_DONT_CARE;
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switch (eWhat)
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{
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case GLUT_AUX:
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/*
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FBConfigs are now sorted by increasing number of auxiliary
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buffers. We want at least one buffer.
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*/
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attributes[2] = GLX_AUX_BUFFERS;
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attributes[3] = 1;
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attributes[4] = None;
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attribute_name = GLX_AUX_BUFFERS;
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break;
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case GLUT_MULTISAMPLE:
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attributes[2] = GLX_AUX_BUFFERS;
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attributes[3] = GLX_DONT_CARE;
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attributes[4] = GLX_SAMPLE_BUFFERS;
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attributes[5] = 1;
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/*
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FBConfigs are now sorted by increasing number of samples per
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pixel. We want at least one sample.
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*/
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attributes[6] = GLX_SAMPLES;
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attributes[7] = 1;
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attributes[8] = None;
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attribute_name = GLX_SAMPLES;
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break;
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}
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fbconfigArray = glXChooseFBConfig(fgDisplay.pDisplay.Display,
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fgDisplay.pDisplay.Screen,
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attributes,
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&fbconfigArraySize);
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if (fbconfigArray != NULL)
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{
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int * temp_array;
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int result; /* Returned by glXGetFBConfigAttrib. Not checked. */
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int previous_value;
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int i;
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temp_array = malloc(sizeof(int) * fbconfigArraySize);
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previous_value = 0;
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for (i = 0; i < fbconfigArraySize; i++)
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{
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int value;
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result = glXGetFBConfigAttrib(fgDisplay.pDisplay.Display,
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fbconfigArray[i],
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attribute_name,
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&value);
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if (value > previous_value)
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{
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temp_array[*size] = value;
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previous_value = value;
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(*size)++;
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}
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}
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array = malloc(sizeof(int) * (*size));
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for (i = 0; i < *size; i++)
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{
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array[i] = temp_array[i];
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}
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free(temp_array);
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XFree(fbconfigArray);
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}
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break;
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#endif
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default:
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break;
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}
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return array;
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return array;
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}
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}
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@ -40,7 +40,6 @@
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/*
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/*
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* TODO BEFORE THE STABLE RELEASE:
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* TODO BEFORE THE STABLE RELEASE:
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*
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*
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* fgChooseFBConfig() -- OK, but what about glutInitDisplayString()?
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* fgSetupPixelFormat -- ignores the display mode settings
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* fgSetupPixelFormat -- ignores the display mode settings
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* fgOpenWindow() -- check the Win32 version, -iconic handling!
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* fgOpenWindow() -- check the Win32 version, -iconic handling!
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* fgCloseWindow() -- check the Win32 version
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* fgCloseWindow() -- check the Win32 version
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@ -1,7 +1,7 @@
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/*
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/*
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* freeglut_state_mswin.c
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* freeglut_state_mswin.c
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*
|
*
|
||||||
* The Windows-specific mouse cursor related stuff.
|
* The Windows-specific state query methods.
|
||||||
*
|
*
|
||||||
* Copyright (c) 2012 Stephen J. Baker. All Rights Reserved.
|
* Copyright (c) 2012 Stephen J. Baker. All Rights Reserved.
|
||||||
* Written by John F. Fay, <fayjf@sourceforge.net>
|
* Written by John F. Fay, <fayjf@sourceforge.net>
|
||||||
@ -335,4 +335,9 @@ int fgPlatformGlutLayerGet( GLenum eWhat )
|
|||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/* MSwin does not currently have any Mode values? */
|
||||||
|
int *fgPlatformGlutGetModeValues(GLenum eWhat, int *size)
|
||||||
|
{
|
||||||
|
*size = 0;
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
@ -0,0 +1,406 @@
|
|||||||
|
/*
|
||||||
|
* freeglut_state_x11.c
|
||||||
|
*
|
||||||
|
* X11-specific freeglut state query methods.
|
||||||
|
*
|
||||||
|
* Copyright (c) 2012 Stephen J. Baker. All Rights Reserved.
|
||||||
|
* Written by John F. Fay, <fayjf@sourceforge.net>
|
||||||
|
* Creation date: Sat Feb 4 2012
|
||||||
|
*
|
||||||
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
||||||
|
* copy of this software and associated documentation files (the "Software"),
|
||||||
|
* to deal in the Software without restriction, including without limitation
|
||||||
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
||||||
|
* and/or sell copies of the Software, and to permit persons to whom the
|
||||||
|
* Software is furnished to do so, subject to the following conditions:
|
||||||
|
*
|
||||||
|
* The above copyright notice and this permission notice shall be included
|
||||||
|
* in all copies or substantial portions of the Software.
|
||||||
|
*
|
||||||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
||||||
|
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||||
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||||||
|
* PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
|
||||||
|
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
||||||
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <GL/freeglut.h>
|
||||||
|
#include "../Common/freeglut_internal.h"
|
||||||
|
|
||||||
|
/*
|
||||||
|
* TODO BEFORE THE STABLE RELEASE:
|
||||||
|
*
|
||||||
|
* fgPlatformChooseFBConfig() -- OK, but what about glutInitDisplayString()?
|
||||||
|
*/
|
||||||
|
|
||||||
|
/* A helper function to check if a display mode is possible to use */
|
||||||
|
#if TARGET_HOST_POSIX_X11
|
||||||
|
GLXFBConfig* fgPlatformChooseFBConfig( int* numcfgs );
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Queries the GL context about some attributes
|
||||||
|
*/
|
||||||
|
int fgPlatformGetConfig( int attribute )
|
||||||
|
{
|
||||||
|
int returnValue = 0;
|
||||||
|
int result; /* Not checked */
|
||||||
|
|
||||||
|
if( fgStructure.CurrentWindow )
|
||||||
|
result = glXGetFBConfigAttrib( fgDisplay.pDisplay.Display,
|
||||||
|
*(fgStructure.CurrentWindow->Window.pContext.FBConfig),
|
||||||
|
attribute,
|
||||||
|
&returnValue );
|
||||||
|
|
||||||
|
return returnValue;
|
||||||
|
}
|
||||||
|
|
||||||
|
int fgPlatformGlutGet ( GLenum eWhat )
|
||||||
|
{
|
||||||
|
int nsamples = 0;
|
||||||
|
|
||||||
|
switch( eWhat )
|
||||||
|
{
|
||||||
|
/*
|
||||||
|
* The window/context specific queries are handled mostly by
|
||||||
|
* fgPlatformGetConfig().
|
||||||
|
*/
|
||||||
|
case GLUT_WINDOW_NUM_SAMPLES:
|
||||||
|
#ifdef GLX_VERSION_1_3
|
||||||
|
glGetIntegerv(GL_SAMPLES, &nsamples);
|
||||||
|
#endif
|
||||||
|
return nsamples;
|
||||||
|
|
||||||
|
/*
|
||||||
|
* The rest of GLX queries under X are general enough to use a macro to
|
||||||
|
* check them
|
||||||
|
*/
|
||||||
|
# define GLX_QUERY(a,b) case a: return fgPlatformGetConfig( b );
|
||||||
|
|
||||||
|
GLX_QUERY( GLUT_WINDOW_RGBA, GLX_RGBA );
|
||||||
|
GLX_QUERY( GLUT_WINDOW_DOUBLEBUFFER, GLX_DOUBLEBUFFER );
|
||||||
|
GLX_QUERY( GLUT_WINDOW_BUFFER_SIZE, GLX_BUFFER_SIZE );
|
||||||
|
GLX_QUERY( GLUT_WINDOW_STENCIL_SIZE, GLX_STENCIL_SIZE );
|
||||||
|
GLX_QUERY( GLUT_WINDOW_DEPTH_SIZE, GLX_DEPTH_SIZE );
|
||||||
|
GLX_QUERY( GLUT_WINDOW_RED_SIZE, GLX_RED_SIZE );
|
||||||
|
GLX_QUERY( GLUT_WINDOW_GREEN_SIZE, GLX_GREEN_SIZE );
|
||||||
|
GLX_QUERY( GLUT_WINDOW_BLUE_SIZE, GLX_BLUE_SIZE );
|
||||||
|
GLX_QUERY( GLUT_WINDOW_ALPHA_SIZE, GLX_ALPHA_SIZE );
|
||||||
|
GLX_QUERY( GLUT_WINDOW_ACCUM_RED_SIZE, GLX_ACCUM_RED_SIZE );
|
||||||
|
GLX_QUERY( GLUT_WINDOW_ACCUM_GREEN_SIZE, GLX_ACCUM_GREEN_SIZE );
|
||||||
|
GLX_QUERY( GLUT_WINDOW_ACCUM_BLUE_SIZE, GLX_ACCUM_BLUE_SIZE );
|
||||||
|
GLX_QUERY( GLUT_WINDOW_ACCUM_ALPHA_SIZE, GLX_ACCUM_ALPHA_SIZE );
|
||||||
|
GLX_QUERY( GLUT_WINDOW_STEREO, GLX_STEREO );
|
||||||
|
|
||||||
|
# undef GLX_QUERY
|
||||||
|
|
||||||
|
/* Colormap size is handled in a bit different way than all the rest */
|
||||||
|
case GLUT_WINDOW_COLORMAP_SIZE:
|
||||||
|
if( (fgPlatformGetConfig( GLX_RGBA )) || (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
|
||||||
|
{
|
||||||
|
const GLXFBConfig * fbconfig =
|
||||||
|
fgStructure.CurrentWindow->Window.pContext.FBConfig;
|
||||||
|
|
||||||
|
XVisualInfo * visualInfo =
|
||||||
|
glXGetVisualFromFBConfig( fgDisplay.pDisplay.Display, *fbconfig );
|
||||||
|
|
||||||
|
const int result = visualInfo->visual->map_entries;
|
||||||
|
|
||||||
|
XFree(visualInfo);
|
||||||
|
|
||||||
|
return result;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* 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 ;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/* I do not know yet if there will be a fgChooseVisual() function for Win32 */
|
||||||
|
case GLUT_DISPLAY_MODE_POSSIBLE:
|
||||||
|
{
|
||||||
|
/* We should not have to call fgPlatformChooseFBConfig again here. */
|
||||||
|
GLXFBConfig * fbconfig;
|
||||||
|
int isPossible;
|
||||||
|
|
||||||
|
fbconfig = fgPlatformChooseFBConfig(NULL);
|
||||||
|
|
||||||
|
if (fbconfig == NULL)
|
||||||
|
{
|
||||||
|
isPossible = 0;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
isPossible = 1;
|
||||||
|
XFree(fbconfig);
|
||||||
|
}
|
||||||
|
|
||||||
|
return isPossible;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* This is system-dependant */
|
||||||
|
case GLUT_WINDOW_FORMAT_ID:
|
||||||
|
if( fgStructure.CurrentWindow == NULL )
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
return fgPlatformGetConfig( GLX_VISUAL_ID );
|
||||||
|
|
||||||
|
default:
|
||||||
|
fgWarning( "glutGet(): missing enum handle %d", eWhat );
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
int fgPlatformGlutDeviceGet ( GLenum eWhat )
|
||||||
|
{
|
||||||
|
switch( eWhat )
|
||||||
|
{
|
||||||
|
case GLUT_HAS_KEYBOARD:
|
||||||
|
/*
|
||||||
|
* X11 has a core keyboard by definition, although it can
|
||||||
|
* be present as a virtual/dummy keyboard. For now, there
|
||||||
|
* is no reliable way to tell if a real keyboard is present.
|
||||||
|
*/
|
||||||
|
return 1;
|
||||||
|
|
||||||
|
/* X11 has a mouse by definition */
|
||||||
|
case GLUT_HAS_MOUSE:
|
||||||
|
return 1 ;
|
||||||
|
|
||||||
|
case GLUT_NUM_MOUSE_BUTTONS:
|
||||||
|
/* We should be able to pass NULL when the last argument is zero,
|
||||||
|
* but at least one X server has a bug where this causes a segfault.
|
||||||
|
*
|
||||||
|
* In XFree86/Xorg servers, a mouse wheel is seen as two buttons
|
||||||
|
* rather than an Axis; "freeglut_main.c" expects this when
|
||||||
|
* checking for a wheel event.
|
||||||
|
*/
|
||||||
|
{
|
||||||
|
unsigned char map;
|
||||||
|
int nbuttons = XGetPointerMapping(fgDisplay.pDisplay.Display, &map,0);
|
||||||
|
return nbuttons;
|
||||||
|
}
|
||||||
|
|
||||||
|
default:
|
||||||
|
fgWarning( "glutDeviceGet(): missing enum handle %d", eWhat );
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* And now -- the failure. */
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
int fgPlatformGlutLayerGet( GLenum eWhat )
|
||||||
|
{
|
||||||
|
/*
|
||||||
|
* This is easy as layers are not implemented ;-)
|
||||||
|
*
|
||||||
|
* XXX Can we merge the UNIX/X11 and WIN32 sections? Or
|
||||||
|
* XXX is overlay support planned?
|
||||||
|
*/
|
||||||
|
switch( eWhat )
|
||||||
|
{
|
||||||
|
case GLUT_OVERLAY_POSSIBLE:
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
case GLUT_LAYER_IN_USE:
|
||||||
|
return GLUT_NORMAL;
|
||||||
|
|
||||||
|
case GLUT_HAS_OVERLAY:
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
case GLUT_TRANSPARENT_INDEX:
|
||||||
|
/*
|
||||||
|
* Return just anything, which is always defined as zero
|
||||||
|
*
|
||||||
|
* XXX HUH?
|
||||||
|
*/
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
case GLUT_NORMAL_DAMAGED:
|
||||||
|
/* XXX Actually I do not know. Maybe. */
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
case GLUT_OVERLAY_DAMAGED:
|
||||||
|
return -1;
|
||||||
|
|
||||||
|
default:
|
||||||
|
fgWarning( "glutLayerGet(): missing enum handle %d", eWhat );
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* And fail. That's good. Programs do love failing. */
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
int *fgPlatformGlutGetModeValues(GLenum eWhat, int *size)
|
||||||
|
{
|
||||||
|
int *array;
|
||||||
|
|
||||||
|
int attributes[9];
|
||||||
|
GLXFBConfig * fbconfigArray; /* Array of FBConfigs */
|
||||||
|
int fbconfigArraySize; /* Number of FBConfigs in the array */
|
||||||
|
int attribute_name = 0;
|
||||||
|
|
||||||
|
array = NULL;
|
||||||
|
*size = 0;
|
||||||
|
|
||||||
|
switch (eWhat)
|
||||||
|
{
|
||||||
|
case GLUT_AUX:
|
||||||
|
case GLUT_MULTISAMPLE:
|
||||||
|
|
||||||
|
attributes[0] = GLX_BUFFER_SIZE;
|
||||||
|
attributes[1] = GLX_DONT_CARE;
|
||||||
|
|
||||||
|
switch (eWhat)
|
||||||
|
{
|
||||||
|
case GLUT_AUX:
|
||||||
|
/*
|
||||||
|
FBConfigs are now sorted by increasing number of auxiliary
|
||||||
|
buffers. We want at least one buffer.
|
||||||
|
*/
|
||||||
|
attributes[2] = GLX_AUX_BUFFERS;
|
||||||
|
attributes[3] = 1;
|
||||||
|
attributes[4] = None;
|
||||||
|
|
||||||
|
attribute_name = GLX_AUX_BUFFERS;
|
||||||
|
|
||||||
|
break;
|
||||||
|
|
||||||
|
|
||||||
|
case GLUT_MULTISAMPLE:
|
||||||
|
attributes[2] = GLX_AUX_BUFFERS;
|
||||||
|
attributes[3] = GLX_DONT_CARE;
|
||||||
|
attributes[4] = GLX_SAMPLE_BUFFERS;
|
||||||
|
attributes[5] = 1;
|
||||||
|
/*
|
||||||
|
FBConfigs are now sorted by increasing number of samples per
|
||||||
|
pixel. We want at least one sample.
|
||||||
|
*/
|
||||||
|
attributes[6] = GLX_SAMPLES;
|
||||||
|
attributes[7] = 1;
|
||||||
|
attributes[8] = None;
|
||||||
|
|
||||||
|
attribute_name = GLX_SAMPLES;
|
||||||
|
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
fbconfigArray = glXChooseFBConfig(fgDisplay.pDisplay.Display,
|
||||||
|
fgDisplay.pDisplay.Screen,
|
||||||
|
attributes,
|
||||||
|
&fbconfigArraySize);
|
||||||
|
|
||||||
|
if (fbconfigArray != NULL)
|
||||||
|
{
|
||||||
|
int * temp_array;
|
||||||
|
int result; /* Returned by glXGetFBConfigAttrib. Not checked. */
|
||||||
|
int previous_value;
|
||||||
|
int i;
|
||||||
|
|
||||||
|
temp_array = malloc(sizeof(int) * fbconfigArraySize);
|
||||||
|
previous_value = 0;
|
||||||
|
|
||||||
|
for (i = 0; i < fbconfigArraySize; i++)
|
||||||
|
{
|
||||||
|
int value;
|
||||||
|
|
||||||
|
result = glXGetFBConfigAttrib(fgDisplay.pDisplay.Display,
|
||||||
|
fbconfigArray[i],
|
||||||
|
attribute_name,
|
||||||
|
&value);
|
||||||
|
if (value > previous_value)
|
||||||
|
{
|
||||||
|
temp_array[*size] = value;
|
||||||
|
previous_value = value;
|
||||||
|
(*size)++;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
array = malloc(sizeof(int) * (*size));
|
||||||
|
for (i = 0; i < *size; i++)
|
||||||
|
{
|
||||||
|
array[i] = temp_array[i];
|
||||||
|
}
|
||||||
|
|
||||||
|
free(temp_array);
|
||||||
|
XFree(fbconfigArray);
|
||||||
|
}
|
||||||
|
|
||||||
|
break;
|
||||||
|
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
return array;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
@ -86,7 +86,7 @@
|
|||||||
* Chooses a visual basing on the current display mode settings
|
* Chooses a visual basing on the current display mode settings
|
||||||
*/
|
*/
|
||||||
|
|
||||||
GLXFBConfig* fgChooseFBConfig( int *numcfgs )
|
GLXFBConfig* fgPlatformChooseFBConfig( int *numcfgs )
|
||||||
{
|
{
|
||||||
GLboolean wantIndexedMode = GL_FALSE;
|
GLboolean wantIndexedMode = GL_FALSE;
|
||||||
int attributes[ 100 ];
|
int attributes[ 100 ];
|
||||||
@ -451,7 +451,7 @@ void fgPlatformOpenWindow( SFG_Window* window, const char* title,
|
|||||||
if( window->IsMenu && ( ! fgStructure.MenuContext ) )
|
if( window->IsMenu && ( ! fgStructure.MenuContext ) )
|
||||||
fgState.DisplayMode = GLUT_DOUBLE | GLUT_RGB ;
|
fgState.DisplayMode = GLUT_DOUBLE | GLUT_RGB ;
|
||||||
|
|
||||||
window->Window.pContext.FBConfig = fgChooseFBConfig( &num_FBConfigs );
|
window->Window.pContext.FBConfig = fgPlatformChooseFBConfig( &num_FBConfigs );
|
||||||
|
|
||||||
if( window->IsMenu && ( ! fgStructure.MenuContext ) )
|
if( window->IsMenu && ( ! fgStructure.MenuContext ) )
|
||||||
fgState.DisplayMode = current_DisplayMode ;
|
fgState.DisplayMode = current_DisplayMode ;
|
||||||
@ -459,21 +459,21 @@ void fgPlatformOpenWindow( SFG_Window* window, const char* title,
|
|||||||
if( ! window->Window.pContext.FBConfig )
|
if( ! window->Window.pContext.FBConfig )
|
||||||
{
|
{
|
||||||
/*
|
/*
|
||||||
* The "fgChooseFBConfig" returned a null meaning that the visual
|
* The "fgPlatformChooseFBConfig" returned a null meaning that the visual
|
||||||
* context is not available.
|
* context is not available.
|
||||||
* Try a couple of variations to see if they will work.
|
* Try a couple of variations to see if they will work.
|
||||||
*/
|
*/
|
||||||
if( !( fgState.DisplayMode & GLUT_DOUBLE ) )
|
if( !( fgState.DisplayMode & GLUT_DOUBLE ) )
|
||||||
{
|
{
|
||||||
fgState.DisplayMode |= GLUT_DOUBLE ;
|
fgState.DisplayMode |= GLUT_DOUBLE ;
|
||||||
window->Window.pContext.FBConfig = fgChooseFBConfig( &num_FBConfigs );
|
window->Window.pContext.FBConfig = fgPlatformChooseFBConfig( &num_FBConfigs );
|
||||||
fgState.DisplayMode &= ~GLUT_DOUBLE;
|
fgState.DisplayMode &= ~GLUT_DOUBLE;
|
||||||
}
|
}
|
||||||
|
|
||||||
if( fgState.DisplayMode & GLUT_MULTISAMPLE )
|
if( fgState.DisplayMode & GLUT_MULTISAMPLE )
|
||||||
{
|
{
|
||||||
fgState.DisplayMode &= ~GLUT_MULTISAMPLE ;
|
fgState.DisplayMode &= ~GLUT_MULTISAMPLE ;
|
||||||
window->Window.pContext.FBConfig = fgChooseFBConfig( &num_FBConfigs );
|
window->Window.pContext.FBConfig = fgPlatformChooseFBConfig( &num_FBConfigs );
|
||||||
fgState.DisplayMode |= GLUT_MULTISAMPLE;
|
fgState.DisplayMode |= GLUT_MULTISAMPLE;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|||||||
Reference in New Issue
Block a user