glut_overlay.c File Reference

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#include <X11/Xmu/StdCmap.h>
#include "glutint.h"
#include "layerutil.h"

Include dependency graph for glut_overlay.c:

Go to the source code of this file.

Functions
static int	checkOverlayAcceptability (XVisualInfo *vi, unsigned int mode)
static XVisualInfo *	getOverlayVisualInfoCI (unsigned int mode)
static XVisualInfo *	getOverlayVisualInfoRGB (unsigned int mode)
static XVisualInfo *	getOverlayVisualInfo (unsigned int mode)
static void	addStaleWindow (GLUTwindow *window, Window win)
void	__glutFreeOverlay (GLUToverlay *overlay)
static XVisualInfo *	determineOverlayVisual (int *treatAsSingle, Bool *visAlloced, void **fbc)
void APIENTRY	glutEstablishOverlay (void)
void APIENTRY	glutRemoveOverlay (void)
void APIENTRY	glutUseLayer (GLenum layer)
void APIENTRY	glutPostOverlayRedisplay (void)
void APIENTRY	glutPostWindowOverlayRedisplay (int win)
void APIENTRY	glutOverlayDisplayFunc (GLUTdisplayCB displayFunc)
void APIENTRY	glutHideOverlay (void)
void APIENTRY	glutShowOverlay (void)
int APIENTRY	glutLayerGet (GLenum param)
Variables
static Criterion	requiredOverlayCriteria []
static int	numRequiredOverlayCriteria = sizeof(requiredOverlayCriteria) / sizeof(Criterion)
static int	requiredOverlayCriteriaMask

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Function Documentation

void __glutFreeOverlay (  GLUToverlay *  overlay  )

Definition at line 300 of file glut_overlay.c. References __glutDisplay, __glutFreeColormap(), _GLUToverlay::colormap, _GLUToverlay::ctx, glXDestroyContext(), _GLUToverlay::vis, _GLUToverlay::visAlloced, and _GLUToverlay::win. Referenced by glutEstablishOverlay(), and glutRemoveOverlay().

static void addStaleWindow (  GLUTwindow *  window, Window  win )  [static]

Definition at line 284 of file glut_overlay.c. References __glutFatalError(), __glutStaleWindowList, _GLUTstale::next, _GLUTstale::win, and _GLUTstale::window. Referenced by glutEstablishOverlay(), and glutRemoveOverlay().

static int checkOverlayAcceptability (  XVisualInfo *  vi, unsigned int  mode )  [static]

Definition at line 42 of file glut_overlay.c. References __glutDisplay, __glutIsSupportedByGLX(), GLUT_WIND_HAS_ACCUM, GLUT_WIND_HAS_ALPHA, GLUT_WIND_HAS_DEPTH, GLUT_WIND_HAS_STENCIL, GLUT_WIND_IS_DOUBLE, GLUT_WIND_IS_MULTISAMPLE, GLUT_WIND_IS_STEREO, GLX_DEPTH_SIZE, GLX_DOUBLEBUFFER, GLX_RGBA, GLX_SAMPLES_SGIS, GLX_STENCIL_SIZE, GLX_STEREO, GLX_USE_GL, and glXGetConfig(). Referenced by getOverlayVisualInfoCI().

static XVisualInfo* determineOverlayVisual (  int *  treatAsSingle, Bool *  visAlloced, void **  fbc )  [static]

Definition at line 314 of file glut_overlay.c. References __glutDetermineVisual(), __glutDetermineVisualFromString, __glutDisplayMode, __glutDisplayString, getOverlayVisualInfo(), numRequiredOverlayCriteria, requiredOverlayCriteriaMask, and _Criterion::value. Referenced by glutEstablishOverlay(), and glutLayerGet().

static XVisualInfo* getOverlayVisualInfo (  unsigned int  mode  )  [static]

Definition at line 255 of file glut_overlay.c. References getOverlayVisualInfoCI(), getOverlayVisualInfoRGB(), GLUT_WIND_IS_LUMINANCE, and GLUT_WIND_IS_RGB. Referenced by determineOverlayVisual().

static XVisualInfo* getOverlayVisualInfoCI (  unsigned int  mode  )  [static]

Definition at line 97 of file glut_overlay.c. References __glutDisplay, __glutScreen, __glutXGetLayerVisualInfo(), checkOverlayAcceptability(), j, TransparentPixel, _XLayerVisualInfo::vinfo, VisualLayerMask, and VisualTransparentType. Referenced by getOverlayVisualInfo().

static XVisualInfo* getOverlayVisualInfoRGB (  unsigned int  mode  )  [static]

Definition at line 163 of file glut_overlay.c. References __glutWarning(). Referenced by getOverlayVisualInfo().

void APIENTRY glutEstablishOverlay (  void   )

Definition at line 356 of file glut_overlay.c. References __glutCurrentWindow, __glutDisplay, __glutFatalError(), __glutForceDirect, __glutFreeOverlay(), __glutFreeOverlayFunc, __glutGetTransparentPixel(), __glutPutOnWorkList(), __glutSetupColormap(), __glutToplevelOf(), __glutTryDirect, addStaleWindow(), _GLUTwindow::children, _GLUToverlay::cmap, _GLUToverlay::colormap, _GLUToverlay::ctx, _GLUTwindow::ctx, determineOverlayVisual(), _GLUToverlay::display, _GLUTwindow::eventMask, _GLUTwindow::forceReshape, GL_FRONT, glDrawBuffer(), glReadBuffer(), GLUT_COLORMAP_WORK, GLUT_OVERLAY_EVENT_FILTER_MASK, glutUseLayer(), GLX_RGBA_TYPE_SGIX, glXCreateContext(), glXCreateContextWithConfigSGIX, glXIsDirect(), _GLUTwindow::height, _GLUToverlay::isDirect, _GLUTwindow::overlay, _GLUToverlay::shownState, _GLUToverlay::transparentPixel, _GLUToverlay::treatAsSingle, _GLUToverlay::vis, _GLUToverlay::visAlloced, _GLUTwindow::width, _GLUTwindow::win, _GLUToverlay::win, _GLUTwindow::x, and _GLUTwindow::y.

void APIENTRY glutHideOverlay (  void   )

Definition at line 537 of file glut_overlay.c. References __glutCurrentWindow, __glutDisplay, __glutWarning(), _GLUTwindow::overlay, _GLUToverlay::shownState, and _GLUToverlay::win.

int APIENTRY glutLayerGet (  GLenum  param  )

Definition at line 559 of file glut_overlay.c. References __glutCurrentWindow, __glutWarning(), __glutWindowDamaged, determineOverlayVisual(), dummy, GLUT_OVERLAY_REPAIR_WORK, GLUT_REPAIR_WORK, _GLUTwindow::overlay, _GLUTwindow::renderWin, _GLUToverlay::transparentPixel, _GLUTwindow::win, and _GLUTwindow::workMask.

void APIENTRY glutOverlayDisplayFunc (  GLUTdisplayCB  displayFunc  )

Definition at line 527 of file glut_overlay.c. References __glutCurrentWindow, __glutWarning(), _GLUToverlay::display, and _GLUTwindow::overlay.

void APIENTRY glutPostOverlayRedisplay (  void   )

Definition at line 511 of file glut_overlay.c. References __glutCurrentWindow, __glutPostRedisplay(), and GLUT_OVERLAY_REDISPLAY_WORK.

void APIENTRY glutPostWindowOverlayRedisplay (  int  win  )

Definition at line 521 of file glut_overlay.c. References __glutPostRedisplay(), __glutWindowList, and GLUT_OVERLAY_REDISPLAY_WORK.

void APIENTRY glutRemoveOverlay (  void   )

Definition at line 458 of file glut_overlay.c. References __glutCurrentWindow, __glutFreeOverlay(), __glutPutOnWorkList(), __glutToplevelOf(), addStaleWindow(), GLUT_COLORMAP_WORK, glutUseLayer(), _GLUTwindow::overlay, _GLUTwindow::renderWin, and _GLUToverlay::win.

void APIENTRY glutShowOverlay (  void   )

Definition at line 548 of file glut_overlay.c. References __glutCurrentWindow, __glutDisplay, __glutWarning(), _GLUTwindow::overlay, _GLUToverlay::shownState, and _GLUToverlay::win.

void APIENTRY glutUseLayer (  GLenum  layer  )

Definition at line 481 of file glut_overlay.c. References __glutCurrentWindow, __glutSetWindow(), __glutWarning(), _GLUToverlay::ctx, _GLUTwindow::ctx, _GLUTwindow::overlay, _GLUTwindow::renderCtx, _GLUTwindow::renderWin, _GLUToverlay::win, and _GLUTwindow::win. Referenced by glutEstablishOverlay(), and glutRemoveOverlay().

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Variable Documentation

int numRequiredOverlayCriteria = sizeof(requiredOverlayCriteria) / sizeof(Criterion) [static]

Definition at line 36 of file glut_overlay.c. Referenced by determineOverlayVisual().

Criterion requiredOverlayCriteria[] [static]

Initial value: { {LEVEL, EQ, 1}, {TRANSPARENT, EQ, 1}, {XPSEUDOCOLOR, EQ, 1}, {RGBA, EQ, 0}, {BUFFER_SIZE, GTE, 1} } Definition at line 27 of file glut_overlay.c.

int requiredOverlayCriteriaMask [static]

Initial value: (1 << LEVEL) | (1 << TRANSPARENT) | (1 << XSTATICGRAY) | (1 << RGBA) | (1 << CI_MODE) Definition at line 37 of file glut_overlay.c. Referenced by determineOverlayVisual().

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