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x11/gl: Do not use GLX_EXT_texture_from_pixmap if not available

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If the GLX_EXT_texture_from_pixmap extension is not available when we
did the extensions check, then there's no point in using the backend
specific code paths that rely on it.
This commit is contained in:
Emmanuele Bassi 2015-03-26 17:26:29 +00:00
parent 3c80451b17
commit d79bc00345
1 changed files with 5 additions and 0 deletions
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gdk/x11/gdkglcontext-x11.c
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@ -432,6 +432,11 @@ gdk_x11_gl_context_texture_from_surface (GdkGLContext *paint_context,
double sx, sy;
float uscale, vscale;
GdkTexturedQuad *quads;
GdkX11Display *display_x11;
display_x11 = GDK_X11_DISPLAY (gdk_gl_context_get_display (paint_context));
if (!display_x11->has_glx_texture_from_pixmap)
return FALSE;
if (cairo_surface_get_type (surface) != CAIRO_SURFACE_TYPE_XLIB)
return FALSE;