[vlc-commits] Added HasExtension() to search for an extension in opengl.

[Laurent Aimar]

vlc | branch: master | Laurent Aimar <fenrir at videolan.org> | Thu Jun  2 19:00:37 2011 +0200| [e87072e0504d9aa52a8573f7cd1a79878d948f21] | committer: Laurent Aimar

Added HasExtension() to search for an extension in opengl.

The code is based on CheckAPI from egl.c

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=e87072e0504d9aa52a8573f7cd1a79878d948f21
---

 modules/video_output/opengl.h |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/modules/video_output/opengl.h b/modules/video_output/opengl.h
index 0704edb..7a118df 100644
--- a/modules/video_output/opengl.h
+++ b/modules/video_output/opengl.h
@@ -56,6 +56,19 @@
 # endif
 #endif
 
+static inline bool HasExtension(const char *apis, const char *api)
+{
+    size_t apilen = strlen(api);
+    while (apis) {
+        while (*apis == ' ')
+            apis++;
+        if (!strncmp(apis, api, apilen) && memchr(" ", apis[apilen], 2))
+            return true;
+        apis = strchr(apis, ' ');
+    }
+    return false;
+}
+
 typedef struct vout_display_opengl_t vout_display_opengl_t;
 
 vout_display_opengl_t *vout_display_opengl_New(video_format_t *fmt,