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authorBrian Paul <brian.paul@tungstengraphics.com>2001-11-27 02:55:58 +0000
committerBrian Paul <brian.paul@tungstengraphics.com>2001-11-27 02:55:58 +0000
commit253270dfcce980c88be6b21204a0c13a0becb2de (patch)
treeda79a43eec35d7f2554e8168afbda04b1834d5ab /src/glut/glx
parent2f3d6203989e3a9843a548796b2c2062f470517e (diff)
use glXGetProcAddressARB to avoid extension linkage problems
Diffstat (limited to 'src/glut/glx')
-rw-r--r--src/glut/glx/glut_dstr.c16
-rw-r--r--src/glut/glx/glut_glxext.c207
-rw-r--r--src/glut/glx/glut_overlay.c2
-rw-r--r--src/glut/glx/glut_vidresize.c19
-rw-r--r--src/glut/glx/glut_win.c2
-rw-r--r--src/glut/glx/glutint.h23
6 files changed, 250 insertions, 19 deletions
diff --git a/src/glut/glx/glut_dstr.c b/src/glut/glx/glut_dstr.c
index 29a699fa57..3f7dba80f3 100644
--- a/src/glut/glx/glut_dstr.c
+++ b/src/glut/glx/glut_dstr.c
@@ -439,15 +439,15 @@ loadVisuals(int *nitems_return)
GLXFBConfigSGIX fbc;
int fbconfigID, drawType, renderType;
- fbc = glXGetFBConfigFromVisualSGIX(__glutDisplay, vlist[i]);
+ fbc = __glut_glXGetFBConfigFromVisualSGIX(__glutDisplay, vlist[i]);
if (fbc) {
- rc = glXGetFBConfigAttribSGIX(__glutDisplay, fbc,
+ rc = __glut_glXGetFBConfigAttribSGIX(__glutDisplay, fbc,
GLX_FBCONFIG_ID_SGIX, &fbconfigID);
if ((rc == 0) && (fbconfigID != None)) {
- rc = glXGetFBConfigAttribSGIX(__glutDisplay, fbc,
+ rc = __glut_glXGetFBConfigAttribSGIX(__glutDisplay, fbc,
GLX_DRAWABLE_TYPE_SGIX, &drawType);
if ((rc == 0) && (drawType & GLX_WINDOW_BIT_SGIX)) {
- rc = glXGetFBConfigAttribSGIX(__glutDisplay, fbc,
+ rc = __glut_glXGetFBConfigAttribSGIX(__glutDisplay, fbc,
GLX_RENDER_TYPE_SGIX, &renderType);
if ((rc == 0) && (renderType & GLX_RGBA_BIT_SGIX)) {
mode->fbc = fbc;
@@ -459,7 +459,7 @@ loadVisuals(int *nitems_return)
/* Start with "j = 1" to skip the GLX_RGBA attribute. */
for (j = 1; j < NUM_GLXCAPS; j++) {
- rc = glXGetFBConfigAttribSGIX(__glutDisplay,
+ rc = __glut_glXGetFBConfigAttribSGIX(__glutDisplay,
fbc, glxcap[j], &mode->cap[j]);
if (rc != 0) {
mode->valid = 0;
@@ -509,7 +509,7 @@ loadVisuals(int *nitems_return)
#define GLX_VISUAL_CAVEAT_EXT 0x20
#endif
- rc = glXGetFBConfigAttribSGIX(__glutDisplay,
+ rc = __glut_glXGetFBConfigAttribSGIX(__glutDisplay,
fbc, GLX_VISUAL_CAVEAT_EXT, &rating);
if (rc != 0) {
mode->cap[SLOW] = 0;
@@ -558,7 +558,7 @@ loadVisuals(int *nitems_return)
#define GLX_TRANSPARENT_TYPE_EXT 0x23
#endif
- rc = glXGetFBConfigAttribSGIX(__glutDisplay,
+ rc = __glut_glXGetFBConfigAttribSGIX(__glutDisplay,
fbc, GLX_TRANSPARENT_TYPE_EXT, &transparent);
if (rc != 0) {
mode->cap[TRANSPARENT] = 0;
@@ -573,7 +573,7 @@ loadVisuals(int *nitems_return)
#endif
#if defined(GLX_VERSION_1_1) && defined(GLX_SGIS_multisample)
if (multisample) {
- rc = glXGetFBConfigAttribSGIX(__glutDisplay,
+ rc = __glut_glXGetFBConfigAttribSGIX(__glutDisplay,
fbc, GLX_SAMPLES_SGIS, &mode->cap[SAMPLES]);
if (rc != 0) {
mode->cap[SAMPLES] = 0;
diff --git a/src/glut/glx/glut_glxext.c b/src/glut/glx/glut_glxext.c
index 04862432fc..bb2eb475ce 100644
--- a/src/glut/glx/glut_glxext.c
+++ b/src/glut/glx/glut_glxext.c
@@ -46,3 +46,210 @@ __glutIsSupportedByGLX(char *extension)
return 0;
}
#endif
+
+
+
+/*
+ * Wrapping of GLX extension functions.
+ * Technically, we should do a runtime test to see if we've got the
+ * glXGetProcAddressARB() function. I think GLX_ARB_get_proc_address
+ * is pretty widely supported now and any system that has
+ * GLX_ARB_get_proc_address defined in its header files should be OK
+ * at runtime.
+ */
+
+int
+__glut_glXBindChannelToWindowSGIX(Display *dpy, int screen,
+ int channel, Window window)
+{
+#ifdef GLX_ARB_get_proc_address
+ typedef int (*glXBindChannelToWindowSGIX_t) (Display *, int, int, Window);
+ static glXBindChannelToWindowSGIX_t glXBindChannelToWindowSGIX_ptr = NULL;
+ if (!glXBindChannelToWindowSGIX_ptr) {
+ glXBindChannelToWindowSGIX_ptr = (glXBindChannelToWindowSGIX_t)
+ glXGetProcAddressARB((const GLubyte *) "glXBindChannelToWindowSGIX");
+ }
+ if (glXBindChannelToWindowSGIX_ptr)
+ return (*glXBindChannelToWindowSGIX_ptr)(dpy, screen, channel, window);
+ else
+ return 0;
+#elif defined(GLX_SGIX_video_resize)
+ return glXBindChannelToWindowSGIX(dpy, screen, channel, window);
+#else
+ return 0;
+#endif
+}
+
+
+int
+__glut_glXChannelRectSGIX(Display *dpy, int screen, int channel,
+ int x, int y, int w, int h)
+{
+#ifdef GLX_ARB_get_proc_address
+ typedef int (*glXChannelRectSGIX_t)(Display *, int, int, int, int, int, int);
+ static glXChannelRectSGIX_t glXChannelRectSGIX_ptr = NULL;
+ if (!glXChannelRectSGIX_ptr) {
+ glXChannelRectSGIX_ptr = (glXChannelRectSGIX_t)
+ glXGetProcAddressARB((const GLubyte *) "glXChannelRectSGIX");
+ }
+ if (glXChannelRectSGIX_ptr)
+ return (*glXChannelRectSGIX_ptr)(dpy, screen, channel, x, y, w, h);
+ else
+ return 0;
+#elif defined(GLX_SGIX_video_resize)
+ return glXChannelRectSGIX(dpy, screen, channel, x, y, w, h);
+#else
+ return 0;
+#endif
+}
+
+
+int
+__glut_glXQueryChannelRectSGIX(Display *dpy, int screen, int channel,
+ int *x, int *y, int *w, int *h)
+{
+#ifdef GLX_ARB_get_proc_address
+ typedef int (*glXQueryChannelRectSGIX_t)(Display *, int, int,
+ int *, int *, int *, int *);
+ static glXQueryChannelRectSGIX_t glXQueryChannelRectSGIX_ptr = NULL;
+ if (!glXQueryChannelRectSGIX_ptr) {
+ glXQueryChannelRectSGIX_ptr = (glXQueryChannelRectSGIX_t)
+ glXGetProcAddressARB((const GLubyte *) "glXQueryChannelRectSGIX");
+ }
+ if (glXQueryChannelRectSGIX_ptr)
+ return (*glXQueryChannelRectSGIX_ptr)(dpy, screen, channel, x, y, w, h);
+ else
+ return 0;
+#elif defined(GLX_SGIX_video_resize)
+ return glXQueryChannelRectSGIX(dpy, screen, channel, x, y, w, h);
+#else
+ return 0;
+#endif
+}
+
+
+int
+__glut_glXQueryChannelDeltasSGIX(Display *dpy, int screen, int channel,
+ int *dx, int *dy, int *dw, int *dh)
+{
+#ifdef GLX_ARB_get_proc_address
+ typedef int (*glXQueryChannelDeltasSGIX_t)(Display *, int, int,
+ int *, int *, int *, int *);
+ static glXQueryChannelDeltasSGIX_t glXQueryChannelDeltasSGIX_ptr = NULL;
+ if (!glXQueryChannelDeltasSGIX_ptr) {
+ glXQueryChannelDeltasSGIX_ptr = (glXQueryChannelDeltasSGIX_t)
+ glXGetProcAddressARB((const GLubyte *) "glXQueryChannelDeltasSGIX");
+ }
+ if (glXQueryChannelDeltasSGIX_ptr)
+ return (*glXQueryChannelDeltasSGIX_ptr)(dpy, screen, channel,
+ dx, dy, dw, dh);
+ else
+ return 0;
+#elif defined(GLX_SGIX_video_resize)
+ return glXQueryChannelDeltasSGIX(dpy, screen, channel, dx, dy, dw, dh);
+#else
+ return 0;
+#endif
+}
+
+
+int
+__glut_glXChannelRectSyncSGIX(Display *dpy, int screen,
+ int channel, GLenum synctype)
+{
+#ifdef GLX_ARB_get_proc_address
+ typedef int (*glXChannelRectSyncSGIX_t)(Display *, int, int, GLenum);
+ static glXChannelRectSyncSGIX_t glXChannelRectSyncSGIX_ptr = NULL;
+ if (!glXChannelRectSyncSGIX_ptr) {
+ glXChannelRectSyncSGIX_ptr = (glXChannelRectSyncSGIX_t)
+ glXGetProcAddressARB((const GLubyte *) "glXChannelRectSyncSGIX");
+ }
+ if (glXChannelRectSyncSGIX_ptr)
+ return (*glXChannelRectSyncSGIX_ptr)(dpy, screen, channel, synctype);
+ else
+ return 0;
+#elif defined(GLX_SGIX_video_resize)
+ return glXChannelRectSyncSGIX(dpy, screen, channel, synctype);
+#else
+ return 0;
+#endif
+}
+
+
+
+GLXContext
+__glut_glXCreateContextWithConfigSGIX(Display *dpy, GLXFBConfigSGIX config,
+ int render_type, GLXContext share_list,
+ Bool direct)
+{
+#ifdef GLX_ARB_get_proc_address
+ typedef GLXContext (*glXCreateContextWithConfigSGIX_t)(Display *,
+ GLXFBConfigSGIX, int, GLXContext, Bool);
+ static glXCreateContextWithConfigSGIX_t glXCreateContextWithConfig_ptr = NULL;
+ if (!glXCreateContextWithConfig_ptr) {
+ glXCreateContextWithConfig_ptr = (glXCreateContextWithConfigSGIX_t)
+ glXGetProcAddress((const GLubyte *) "glXCreateContextWithConfigSGIX");
+ }
+ if (glXCreateContextWithConfig_ptr)
+ return (*glXCreateContextWithConfig_ptr)(dpy, config, render_type,
+ share_list, direct);
+ else
+ return 0;
+#elif defined(GLX_SGIX_fbconfig)
+ return glXCreateContextWithConfigSGIX(dpy, config, render_type,
+ share_list, direct);
+#else
+ return 0;
+#endif
+}
+
+
+int
+__glut_glXGetFBConfigAttribSGIX(Display *dpy, GLXFBConfigSGIX config,
+ int attribute, int *value)
+{
+#ifdef GLX_ARB_get_proc_address
+ typedef int (*glXGetFBConfigAttribSGIX_t)(Display *,
+ GLXFBConfigSGIX, int, int *);
+ static glXGetFBConfigAttribSGIX_t glXGetFBConfigAttrib_ptr = NULL;
+ if (!glXGetFBConfigAttrib_ptr) {
+ glXGetFBConfigAttrib_ptr = (glXGetFBConfigAttribSGIX_t)
+ glXGetProcAddress((const GLubyte *) "glXGetFBConfigAttribSGIX");
+ }
+ if (glXGetFBConfigAttrib_ptr)
+ return (*glXGetFBConfigAttrib_ptr)(dpy, config, attribute, value);
+ else
+ return 0;
+#elif defined(GLX_SGIX_fbconfig)
+ return glXGetFBConfigAttribSGIX(dpy, config, attribute, value);
+#else
+ return 0;
+#endif
+}
+
+
+GLXFBConfigSGIX
+__glut_glXGetFBConfigFromVisualSGIX(Display *dpy, XVisualInfo *vis)
+{
+#ifdef GLX_ARB_get_proc_address
+ typedef GLXFBConfigSGIX (*glXGetFBConfigFromVisualSGIX_t)(Display *,
+ XVisualInfo *);
+ static glXGetFBConfigFromVisualSGIX_t glXGetFBConfigFromVisual_ptr = NULL;
+ if (!glXGetFBConfigFromVisual_ptr) {
+ glXGetFBConfigFromVisual_ptr = (glXGetFBConfigFromVisualSGIX_t)
+ glXGetProcAddress((const GLubyte *) "glXGetFBConfigFromVisualSGIX");
+ }
+ if (glXGetFBConfigFromVisual_ptr)
+ return (*glXGetFBConfigFromVisual_ptr)(dpy, vis);
+ else
+ return 0;
+#elif defined(GLX_SGIX_fbconfig)
+ return glXGetFBConfigFromVisualSGIX(dpy, vis);
+#else
+ return 0;
+#endif
+}
+
+
+
+
diff --git a/src/glut/glx/glut_overlay.c b/src/glut/glx/glut_overlay.c
index cc3c8ced64..33ab53982e 100644
--- a/src/glut/glx/glut_overlay.c
+++ b/src/glut/glx/glut_overlay.c
@@ -395,7 +395,7 @@ glutEstablishOverlay(void)
}
#if defined(GLX_VERSION_1_1) && defined(GLX_SGIX_fbconfig)
if (fbc) {
- window->ctx = glXCreateContextWithConfigSGIX(__glutDisplay, fbc,
+ window->ctx = __glut_glXCreateContextWithConfigSGIX(__glutDisplay, fbc,
GLX_RGBA_TYPE_SGIX, None, __glutTryDirect);
} else
#endif
diff --git a/src/glut/glx/glut_vidresize.c b/src/glut/glx/glut_vidresize.c
index 0146a29d8c..6024d9514a 100644
--- a/src/glut/glx/glut_vidresize.c
+++ b/src/glut/glx/glut_vidresize.c
@@ -57,7 +57,7 @@ glutVideoResizeGet(GLenum param)
if (canVideoResize < 0) {
canVideoResize = __glutIsSupportedByGLX("GLX_SGIX_video_resize");
if (canVideoResize) {
-#if __sgi
+#if defined(__sgi) && __sgi
/* This is a hack because IRIX 6.2, 6.3, and some 6.4
versions were released with GLX_SGIX_video_resize
being advertised by the X server though the video
@@ -94,7 +94,8 @@ glutVideoResizeGet(GLenum param)
#if defined(GLX_GLXEXT_PROTOTYPES)
#endif
- glXQueryChannelDeltasSGIX(__glutDisplay, __glutScreen,
+
+ __glut_glXQueryChannelDeltasSGIX(__glutDisplay, __glutScreen,
videoResizeChannel, &dx, &dy, &dw, &dh);
/* glXQueryChannelDeltasSGIX is an inherent X server
@@ -138,7 +139,7 @@ glutVideoResizeGet(GLenum param)
if (videoResizeInUse) {
int x, y, width, height;
- glXQueryChannelRectSGIX(__glutDisplay, __glutScreen,
+ __glut_glXQueryChannelRectSGIX(__glutDisplay, __glutScreen,
videoResizeChannel, &x, &y, &width, &height);
switch (param) {
case GLUT_VIDEO_RESIZE_X:
@@ -164,7 +165,7 @@ glutSetupVideoResizing(void)
{
#if defined(GLX_VERSION_1_1) && defined(GLX_SGIX_video_resize)
if (glutVideoResizeGet(GLUT_VIDEO_RESIZE_POSSIBLE)) {
- glXBindChannelToWindowSGIX(__glutDisplay, __glutScreen,
+ __glut_glXBindChannelToWindowSGIX(__glutDisplay, __glutScreen,
videoResizeChannel, __glutCurrentWindow->win);
videoResizeInUse = 1;
} else
@@ -178,7 +179,7 @@ glutStopVideoResizing(void)
#if defined(GLX_VERSION_1_1) && defined(GLX_SGIX_video_resize)
if (glutVideoResizeGet(GLUT_VIDEO_RESIZE_POSSIBLE)) {
if (videoResizeInUse) {
- glXBindChannelToWindowSGIX(__glutDisplay, __glutScreen,
+ __glut_glXBindChannelToWindowSGIX(__glutDisplay, __glutScreen,
videoResizeChannel, None);
videoResizeInUse = 0;
}
@@ -196,10 +197,10 @@ glutVideoResize(int x, int y, int width, int height)
/* glXChannelRectSyncSGIX introduced in a patch to IRIX
6.2; the original unpatched IRIX 6.2 behavior is always
GLX_SYNC_SWAP_SGIX. */
- glXChannelRectSyncSGIX(__glutDisplay, __glutScreen,
+ __glut_glXChannelRectSyncSGIX(__glutDisplay, __glutScreen,
videoResizeChannel, GLX_SYNC_SWAP_SGIX);
#endif
- glXChannelRectSGIX(__glutDisplay, __glutScreen,
+ __glut_glXChannelRectSGIX(__glutDisplay, __glutScreen,
videoResizeChannel, x, y, width, height);
}
#endif
@@ -218,10 +219,10 @@ glutVideoPan(int x, int y, int width, int height)
accomplish GLX_SYNC_FRAME_SGIX on IRIX unpatched 6.2;
this means you'd need a glutSwapBuffers to actually
realize the video resize. */
- glXChannelRectSyncSGIX(__glutDisplay, __glutScreen,
+ __glut_glXChannelRectSyncSGIX(__glutDisplay, __glutScreen,
videoResizeChannel, GLX_SYNC_FRAME_SGIX);
#endif
- glXChannelRectSGIX(__glutDisplay, __glutScreen,
+ __glut_glXChannelRectSGIX(__glutDisplay, __glutScreen,
videoResizeChannel, x, y, width, height);
}
#endif
diff --git a/src/glut/glx/glut_win.c b/src/glut/glx/glut_win.c
index d03829c3a1..ec8ad07f22 100644
--- a/src/glut/glx/glut_win.c
+++ b/src/glut/glx/glut_win.c
@@ -577,7 +577,7 @@ __glutCreateWindow(GLUTwindow * parent,
window->renderWin = window->win;
#if defined(GLX_VERSION_1_1) && defined(GLX_SGIX_fbconfig)
if (fbc) {
- window->ctx = glXCreateContextWithConfigSGIX(__glutDisplay, fbc,
+ window->ctx = __glut_glXCreateContextWithConfigSGIX(__glutDisplay, fbc,
GLX_RGBA_TYPE_SGIX, None, __glutTryDirect);
} else
#endif
diff --git a/src/glut/glx/glutint.h b/src/glut/glx/glutint.h
index 292cc27729..b0d6c86b7c 100644
--- a/src/glut/glx/glutint.h
+++ b/src/glut/glx/glutint.h
@@ -764,6 +764,29 @@ extern void __glutDestroyWindow(
#if !defined(_WIN32)
/* private routines from glut_glxext.c */
extern int __glutIsSupportedByGLX(char *);
+extern int __glut_glXBindChannelToWindowSGIX(Display *dpy, int screen,
+ int channel, Window window);
+extern int __glut_glXChannelRectSGIX(Display *dpy, int screen, int channel,
+ int x, int y, int w, int h);
+extern int __glut_glXQueryChannelRectSGIX(Display *dpy, int screen,
+ int channel, int *x, int *y,
+ int *w, int *h);
+extern int __glut_glXQueryChannelDeltasSGIX(Display *dpy, int screen,
+ int channel, int *dx, int *dy,
+ int *dw, int *dh);
+extern int __glut_glXChannelRectSyncSGIX(Display *dpy, int screen, int channel,
+ GLenum synctype);
+extern GLXContext __glut_glXCreateContextWithConfigSGIX(Display *dpy,
+ GLXFBConfigSGIX config,
+ int render_type,
+ GLXContext share_list,
+ Bool direct);
+extern int __glut_glXGetFBConfigAttribSGIX(Display *dpy,
+ GLXFBConfigSGIX config,
+ int attribute,
+ int *value);
+extern GLXFBConfigSGIX __glut_glXGetFBConfigFromVisualSGIX(Display *dpy,
+ XVisualInfo *vis);
#endif
/* private routines from glut_input.c */