0004-darwin-use-glx-instead-of-opengl-framework.patch
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From d010922282580a32dfebcda12ee1c307b3ef6005 Mon Sep 17 00:00:00 2001
From: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
Date: Mon, 18 Jan 2016 09:49:55 -0800
Subject: [PATCH 4/4] darwin: Use GLX instead of OpenGL.framework if it is the
current context
Also makes a stab at similar support for Win32
anholt/libepoxy#63
Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
Fetched from pull #81 on github for libepoxy:
https://github.com/anholt/libepoxy/pull/81/commits
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
---
src/dispatch_common.c | 29 ++++++++++++++++-------------
1 file changed, 16 insertions(+), 13 deletions(-)
diff --git a/src/dispatch_common.c b/src/dispatch_common.c
index 163d348..cb9f76a 100644
--- a/src/dispatch_common.c
+++ b/src/dispatch_common.c
@@ -482,16 +482,20 @@ epoxy_glx_dlsym(const char *name)
void *
epoxy_gl_dlsym(const char *name)
{
-#ifdef _WIN32
+#if defined(_WIN32) || defined(__APPLE__)
+if (!epoxy_current_context_is_glx()) {
+# if defined(_WIN32)
return do_dlsym(&api.gl_handle, "OPENGL32", name, true);
-#elif defined(__APPLE__)
+# elif defined(__APPLE__)
return do_dlsym(&api.gl_handle,
"/System/Library/Frameworks/OpenGL.framework/Versions/Current/OpenGL",
name, true);
-#else
+# endif
+}
+#endif
+
/* There's no library for desktop GL support independent of GLX. */
return epoxy_glx_dlsym(name);
-#endif
}
void *
@@ -615,7 +619,7 @@ epoxy_get_bootstrap_proc_address(const char *name)
*/
#if PLATFORM_HAS_GLX
if (api.glx_handle && glXGetCurrentContext())
- return epoxy_gl_dlsym(name);
+ return epoxy_glx_dlsym(name);
#endif
/* If epoxy hasn't loaded any API-specific library yet, try to
@@ -644,22 +648,17 @@ epoxy_get_bootstrap_proc_address(const char *name)
}
#endif /* PLATFORM_HAS_EGL */
- /* Fall back to GLX */
+ /* Fall back to the platform default */
return epoxy_gl_dlsym(name);
}
void *
epoxy_get_proc_address(const char *name)
{
-#ifdef _WIN32
- return wglGetProcAddress(name);
-#elif defined(__APPLE__)
- return epoxy_gl_dlsym(name);
-#else
#if PLATFORM_HAS_GLX
if (epoxy_current_context_is_glx()) {
return glXGetProcAddressARB((const GLubyte *)name);
- } else
+ }
#endif /* PLATFORM_HAS_GLX */
#if PLATFORM_HAS_EGL
{
@@ -674,8 +673,12 @@ epoxy_get_proc_address(const char *name)
}
}
#endif /* PLATFORM_HAS_EGL */
+#if defined(_WIN32)
+ return wglGetProcAddress(name);
+#elif defined(__APPLE__)
+ return epoxy_gl_dlsym(name);
+#endif
errx(1, "Couldn't find current GLX or EGL context.\n");
-#endif /* _WIN32 | __APPLE__*/
}
WRAPPER_VISIBILITY (void)