Latest trunk for clutter-glx-texture-pixmap.c has the
texture_from_pixmap code paths disabled if non-power-of-two textures are
not supported.
If I remove the non-power-of-two check, everything runs but I get
non-updating textures. If I also force the texture target type to be
GLX_TEXTURE_2D_EXT, everything works and I have real GLX
texture-from-pixmap textures in Clutter. I'm not sure what the right
way is to detect if the code should use GLX_TEXTURE_2D_EXT.
Anyway, for anyone using Intel hardware that isn't able to get TFP
working, the following patch might be of use as a temporary hack...
James
--- clutter/glx/clutter-glx-texture-pixmap.c (revision 3107)
+++ clutter/glx/clutter-glx-texture-pixmap.c (working copy)
@@ -512,6 +512,8 @@
else
attribs[i++] = GLX_TEXTURE_RECTANGLE_EXT;
+ i--;
+ attribs[i++] = GLX_TEXTURE_2D_EXT;
attribs[i++] = None;
clutter_x11_trap_x_errors ();
@@ -657,12 +659,7 @@
gboolean
clutter_glx_texture_pixmap_using_extension (ClutterGLXTexturePixmap
*texture)
{
- ClutterGLXTexturePixmapPrivate *priv;
-
- priv = CLUTTER_GLX_TEXTURE_PIXMAP (texture)->priv;
-
- return (_have_tex_from_pixmap_ext
- && clutter_feature_available (COGL_FEATURE_TEXTURE_NPOT));
+ return (_have_tex_from_pixmap_ext);
}
/**
--
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