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authorBrian Paul <brianp@vmware.com>2010-04-28 07:21:25 -0600
committerBrian Paul <brianp@vmware.com>2010-04-28 07:21:25 -0600
commit1fa7789e828d1005e2473fc7cd364bd45eb30843 (patch)
tree5e3e1978e6cc511e90298622b7a04840a285782d /src/glx/apple/apple_glx.c
parent37e98e5cd217075d58456753ed8450dc116fe32c (diff)
parenteecd2a59c1205246cc220ab09a79988838bb1759 (diff)
Merge branch '7.8'
Conflicts: src/glx/dri2_glx.c src/glx/glx_pbuffer.c
Diffstat (limited to 'src/glx/apple/apple_glx.c')
-rw-r--r--src/glx/apple/apple_glx.c214
1 files changed, 214 insertions, 0 deletions
diff --git a/src/glx/apple/apple_glx.c b/src/glx/apple/apple_glx.c
new file mode 100644
index 0000000000..d9bc091715
--- /dev/null
+++ b/src/glx/apple/apple_glx.c
@@ -0,0 +1,214 @@
+/*
+ Copyright (c) 2008, 2009 Apple Inc.
+
+ 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 THE ABOVE LISTED COPYRIGHT
+ HOLDER(S) 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.
+
+ Except as contained in this notice, the name(s) of the above
+ copyright holders shall not be used in advertising or otherwise to
+ promote the sale, use or other dealings in this Software without
+ prior written authorization.
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <stdarg.h>
+#include <dlfcn.h>
+#include "appledri.h"
+#include "apple_glx.h"
+#include "apple_glx_context.h"
+#include "apple_cgl.h"
+#include "apple_xgl_api.h"
+
+static bool initialized = false;
+static int dri_event_base = 0;
+
+const GLuint __glXDefaultPixelStore[9] = { 0, 0, 0, 0, 0, 0, 0, 0, 1 };
+
+#ifndef OPENGL_LIB_PATH
+#define OPENGL_LIB_PATH "/System/Library/Frameworks/OpenGL.framework/Libraries/libGL.dylib"
+#endif
+
+static void *libgl_handle = NULL;
+
+static bool diagnostic = false;
+
+void
+apple_glx_diagnostic(const char *fmt, ...)
+{
+ va_list vl;
+
+ if (diagnostic) {
+ fprintf(stderr, "DIAG: ");
+
+ va_start(vl, fmt);
+ vfprintf(stderr, fmt, vl);
+ va_end(vl);
+ }
+}
+
+int
+apple_get_dri_event_base(void)
+{
+ if (!initialized) {
+ fprintf(stderr,
+ "error: dri_event_base called before apple_init_glx!\n");
+ abort();
+ }
+ return dri_event_base;
+}
+
+static void
+surface_notify_handler(Display * dpy, unsigned int uid, int kind)
+{
+
+ switch (kind) {
+ case AppleDRISurfaceNotifyDestroyed:
+ apple_glx_diagnostic("%s: surface destroyed %u\n", __func__, uid);
+ apple_glx_surface_destroy(uid);
+ break;
+
+ case AppleDRISurfaceNotifyChanged:{
+ int updated;
+
+ updated = apple_glx_context_surface_changed(uid, pthread_self());
+
+ apple_glx_diagnostic("surface notify updated %d\n", updated);
+ }
+ break;
+
+ default:
+ fprintf(stderr, "unhandled kind of event: %d in %s\n", kind, __func__);
+ }
+}
+
+xp_client_id
+apple_glx_get_client_id(void)
+{
+ static xp_client_id id;
+
+ if (0 == id) {
+ if ((XP_Success != xp_init(XP_IN_BACKGROUND)) ||
+ (Success != xp_get_client_id(&id))) {
+ return 0;
+ }
+ }
+
+ return id;
+}
+
+/* Return true if an error occured. */
+bool
+apple_init_glx(Display * dpy)
+{
+ int eventBase, errorBase;
+ int major, minor, patch;
+
+ if (!XAppleDRIQueryExtension(dpy, &eventBase, &errorBase))
+ return true;
+
+ if (!XAppleDRIQueryVersion(dpy, &major, &minor, &patch))
+ return true;
+
+ if (initialized)
+ return false;
+
+ if (getenv("LIBGL_DIAGNOSTIC")) {
+ printf("initializing libGL in %s\n", __func__);
+ diagnostic = true;
+ }
+
+ apple_cgl_init();
+ apple_xgl_init_direct();
+ libgl_handle = dlopen(OPENGL_LIB_PATH, RTLD_LAZY);
+ (void) apple_glx_get_client_id();
+
+ XAppleDRISetSurfaceNotifyHandler(surface_notify_handler);
+
+ /* This should really be per display. */
+ dri_event_base = eventBase;
+ initialized = true;
+
+ return false;
+}
+
+void
+apple_glx_swap_buffers(void *ptr)
+{
+ struct apple_glx_context *ac = ptr;
+
+ /* This may not be needed with CGLFlushDrawable: */
+ glFlush();
+ apple_cgl.flush_drawable(ac->context_obj);
+}
+
+void *
+apple_glx_get_proc_address(const GLubyte * procname)
+{
+ size_t len;
+ void *h, *s;
+ char *pname = (char *) procname;
+
+ assert(NULL != procname);
+ len = strlen(pname);
+
+ if (len < 3) {
+ return NULL;
+ }
+
+ if ((pname != strstr(pname, "glX")) && (pname != strstr(pname, "gl"))) {
+ fprintf(stderr,
+ "warning: get proc address request is not for a gl or glX function");
+ return NULL;
+ }
+
+ /* Search using the default symbols first. */
+ (void) dlerror(); /*drain dlerror */
+ h = dlopen(NULL, RTLD_NOW);
+ if (NULL == h) {
+ fprintf(stderr, "warning: get proc address: %s\n", dlerror());
+ return NULL;
+ }
+
+ s = dlsym(h, pname);
+
+ if (NULL == s) {
+ /* Try the libGL.dylib from the OpenGL.framework. */
+ s = dlsym(libgl_handle, pname);
+ }
+
+ dlclose(h);
+
+ return s;
+}
+
+void
+apple_glx_waitx(Display * dpy, void *ptr)
+{
+ struct apple_private_context *ac = ptr;
+
+ (void) ac;
+
+ glFlush();
+ glFinish();
+ XSync(dpy, False);
+}