win32: Remove the check for GL 1.2

Since 568c29ba4 the GL version is now validated further up in
ClutterStage via Cogl so there is no need for the Win32 backend to do
it.
This commit is contained in:
Neil Roberts 2009-11-13 17:23:13 +00:00
parent 62a37d8e53
commit 037192552e

View File

@ -351,39 +351,6 @@ clutter_stage_win32_get_window_class ()
return klass;
}
static gboolean
clutter_stage_win32_check_gl_version ()
{
const char *version_string, *major_end, *minor_end;
int major = 0, minor = 0;
/* Get the OpenGL version number */
if ((version_string = (const char *) glGetString (GL_VERSION)) == NULL)
return FALSE;
/* Extract the major number */
for (major_end = version_string; *major_end >= '0'
&& *major_end <= '9'; major_end++)
major = (major * 10) + *major_end - '0';
/* If there were no digits or the major number isn't followed by a
dot then it is invalid */
if (major_end == version_string || *major_end != '.')
return FALSE;
/* Extract the minor number */
for (minor_end = major_end + 1; *minor_end >= '0'
&& *minor_end <= '9'; minor_end++)
minor = (minor * 10) + *minor_end - '0';
/* If there were no digits or there is an unexpected character then
it is invalid */
if (minor_end == major_end + 1
|| (*minor_end && *minor_end != ' ' && *minor_end != '.'))
return FALSE;
/* Accept OpenGL 1.2 or later */
return major > 1 || (major == 1 && minor >= 2);
}
static gboolean
clutter_stage_win32_pixel_format_is_better (const PIXELFORMATDESCRIPTOR *pfa,
const PIXELFORMATDESCRIPTOR *pfb)
@ -534,15 +501,6 @@ clutter_stage_win32_realize (ClutterStageWindow *stage_window)
g_critical ("Unable to create suitable GL context");
goto fail;
}
/* Make the context current so we can check the GL version */
wglMakeCurrent (stage_win32->client_dc, backend_win32->gl_context);
if (!clutter_stage_win32_check_gl_version ())
{
g_critical ("OpenGL version number is too low");
goto fail;
}
}
CLUTTER_NOTE (BACKEND, "Successfully realized stage");