we need to tell opengl which textures we want! (and not rely on what …

…was last set!)

git-svn-id: https://xpra.org/svn/Xpra/trunk@2941 3bb7dfac-3a0b-4e04-842a-767bc560f471

src/xpra/gl/gl_window_backing.py

@@ -243,6 +243,10 @@ def render_image(self, rx, ry, rw, rh):
             return
         divs = self.get_subsampling_divs(self.pixel_format)
         glEnable(GL_FRAGMENT_PROGRAM_ARB)
+        for texture, index in ((GL_TEXTURE0, 0), (GL_TEXTURE1, 1), (GL_TEXTURE2, 2)):
+            glActiveTexture(texture)
+            glBindTexture(GL_TEXTURE_RECTANGLE_ARB, self.textures[index])        
+
         glBegin(GL_QUADS)
         for x,y in ((rx, ry), (rx, ry+rh), (rx+rw, ry+rh), (rx+rw, ry)):
             for texture, index in ((GL_TEXTURE0, 0), (GL_TEXTURE1, 1), (GL_TEXTURE2, 2)):