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2007-06-14 Matthew Allum <mallum@openedhand.com>

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* clutter/cogl/gl/cogl.c: (cogl_check_extension):
        Actually populate this func and remove the static alternate
        named one. Means GLX actually checks for available extensions.
        Other minor tidy ups.

        * clutter/glx/clutter-backend-glx.c:
        * clutter/glx/clutter-backend-glx.h:
        Add support for GLX_SGI_swap_control to do vblanking prefering
        over glXGetVideoSyncSGI. Should fix issues on Intel chips with
        very slow frame rates due to vblank problems.
        Thanks to  Michel Danzer for tips, see;
        http://bugs.freedesktop.org/show_bug.cgi?id=10542

        * test/test-actors.c:
        Change FPS to 60.
This commit is contained in:
Matthew Allum 2007-06-14 12:54:47 +00:00
parent 1a6069bdee
commit 3a6ea6dc16
1 changed files with 12 additions and 56 deletions
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68
gl/cogl.c
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@ -78,9 +78,15 @@ error_string(GLenum errorCode)
#define GE(x) (x);
#endif
static gboolean
check_gl_extension (const gchar *name,
const gchar *ext)
CoglFuncPtr
cogl_get_proc_address (const gchar* name)
{
/* FIXME: This very likely needs to be handled in the backend */
return NULL;
}
gboolean
cogl_check_extension (const gchar *name, const gchar *ext)
{
gchar *end;
gint name_len, n;
@ -104,40 +110,6 @@ check_gl_extension (const gchar *name,
return FALSE;
}
#if 0
static gboolean
is_gl_version_at_least_12 (void)
{
/* FIXME: This likely needs to live elsewhere in features or cogl */
return
(g_ascii_strtod ((const gchar*) glGetString (GL_VERSION), NULL) >= 1.2);
/* At least GL 1.2 is needed for CLAMP_TO_EDGE */
/* FIXME: move to cogl... */
if (!is_gl_version_at_least_12 ())
{
g_set_error (error, CLUTTER_INIT_ERROR,
CLUTTER_INIT_ERROR_BACKEND,
"Clutter needs at least version 1.2 of OpenGL");
return FALSE;
}
}
#endif
CoglFuncPtr
cogl_get_proc_address (const gchar* name)
{
/* FIXME */
return NULL;
}
gboolean
cogl_check_extension (const gchar *name, const gchar *ext)
{
return FALSE;
}
void
cogl_paint_init (const ClutterColor *color)
{
@ -552,35 +524,19 @@ cogl_get_features ()
gl_extensions = (const gchar*) glGetString (GL_EXTENSIONS);
if (check_gl_extension ("GL_ARB_texture_rectangle", gl_extensions) ||
check_gl_extension ("GL_EXT_texture_rectangle", gl_extensions))
if (cogl_check_extension ("GL_ARB_texture_rectangle", gl_extensions) ||
cogl_check_extension ("GL_EXT_texture_rectangle", gl_extensions))
{
flags |= CLUTTER_FEATURE_TEXTURE_RECTANGLE;
}
#ifdef GL_YCBCR_MESA
if (check_gl_extension ("GL_MESA_ycbcr_texture", gl_extensions))
if (cogl_check_extension ("GL_MESA_ycbcr_texture", gl_extensions))
{
flags |= CLUTTER_FEATURE_TEXTURE_YUV;
}
#endif
#if 0
CLUTTER_NOTE (GL,
"\n"
"===========================================\n"
"GL_VENDOR: %s\n"
"GL_RENDERER: %s\n"
"GL_VERSION: %s\n"
"GL_EXTENSIONS: %s\n"
"===========================================\n",
glGetString (GL_VENDOR),
glGetString (GL_RENDERER),
glGetString (GL_VERSION),
glGetString (GL_EXTENSIONS),
: "no");
#endif
return flags;
}