gl: Track the VBO size as a property of the ctx

Change suggested by Chris Wilson.  This will enable setting different
vbo sizes for GL vs. EGL.

Signed-off-by: Bryce Harrington <bryce@osg.samsung.com>

1 files changed, 10 insertions, 12 deletions

diff --git a/src/cairo-gl-info.c b/src/cairo-gl-info.c
index c47033ecd..66b0b5081 100644
--- a/src/cairo-gl-info.c
+++ b/src/cairo-gl-info.c
@@ -73,21 +73,19 @@ _cairo_gl_get_flavor (void)
     return flavor;
 }
 
-long
+unsigned long
 _cairo_gl_get_vbo_size (void)
 {
-    static long vbo_size = -1;
+    unsigned long vbo_size;
 
-    if (vbo_size < 0) {
-        const char *env = getenv ("CAIRO_GL_VBO_SIZE");
-        if (env == NULL) {
-            vbo_size = CAIRO_GL_VBO_SIZE_DEFAULT;
-	} else {
-	    errno = 0;
-	    vbo_size = strtol (env, NULL, 10);
-	    assert (errno == 0);
-	    assert (vbo_size > 0);
-	}
+    const char *env = getenv ("CAIRO_GL_VBO_SIZE");
+    if (env == NULL) {
+        vbo_size = CAIRO_GL_VBO_SIZE_DEFAULT;
+    } else {
+	errno = 0;
+	vbo_size = strtol (env, NULL, 10);
+	assert (errno == 0);
+	assert (vbo_size > 0);
     }
 
     return vbo_size;