From b2a41e20be6c1831543e72987ce7d285655fc311 Mon Sep 17 00:00:00 2001
From: Stefano Pigozzi <stefano.pigozzi@gmail.com>
Date: Sun, 4 Dec 2011 21:53:43 +0100
Subject: vo_gl: cocoa: point swapinterval to cocoa_common function

Currently there is no way to set the swap interval with a function
that has a signature compatible with other platforms' gl extensions.

Make a wrapper function around the gui toolkit method of setting the
swap interval property, and point gl->SwapInterval to it.
---
 libvo/cocoa_common.h | 3 +++
 libvo/cocoa_common.m | 6 ++++++
 libvo/gl_common.c    | 2 ++
 3 files changed, 11 insertions(+)

diff --git a/libvo/cocoa_common.h b/libvo/cocoa_common.h
index a69f61916c..4fbbb32dd9 100644
--- a/libvo/cocoa_common.h
+++ b/libvo/cocoa_common.h
@@ -16,4 +16,7 @@ void vo_cocoa_swap_buffers(void);
 int vo_cocoa_check_events(struct vo *vo);
 void vo_cocoa_fullscreen(struct vo *vo);
 
+// returns an int to conform to the gl extensions from other platforms
+int vo_cocoa_swap_interval(int enabled);
+
 #endif /* MPLAYER_COCOA_COMMON_H */
diff --git a/libvo/cocoa_common.m b/libvo/cocoa_common.m
index c509dbcf39..5658ecb7bf 100644
--- a/libvo/cocoa_common.m
+++ b/libvo/cocoa_common.m
@@ -262,6 +262,12 @@ void vo_cocoa_fullscreen(struct vo *vo)
     resize_window(vo);
 }
 
+int vo_cocoa_swap_interval(int enabled)
+{
+    [s->glContext setValues:&enabled forParameter:NSOpenGLCPSwapInterval];
+    return 0;
+}
+
 void create_menu()
 {
     NSMenu *menu;
diff --git a/libvo/gl_common.c b/libvo/gl_common.c
index d9814c6f6a..7cca800d40 100644
--- a/libvo/gl_common.c
+++ b/libvo/gl_common.c
@@ -1625,6 +1625,8 @@ static int setGlWindow_cocoa(MPGLContext *ctx)
 {
     vo_cocoa_change_attributes(ctx->vo);
     getFunctions(ctx->gl, (void *)getdladdr, NULL);
+    if (!ctx->gl->SwapInterval)
+        ctx->gl->SwapInterval = vo_cocoa_swap_interval;
     return SET_WINDOW_OK;
 }
 
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