diff --git a/glamor/glamor_transform.c b/glamor/glamor_transform.c
index 17b10666e..fc96fd670 100644
--- a/glamor/glamor_transform.c
+++ b/glamor/glamor_transform.c
@@ -104,20 +104,20 @@ glamor_set_destination_drawable(DrawablePtr     drawable,
  */
 
 void
-glamor_set_color(PixmapPtr      pixmap,
-                 CARD32         pixel,
-                 GLint          uniform)
+glamor_set_color_depth(ScreenPtr      pScreen,
+                       int            depth,
+                       CARD32         pixel,
+                       GLint          uniform)
 {
-    glamor_screen_private *glamor_priv =
-        glamor_get_screen_private((pixmap)->drawable.pScreen);
+    glamor_screen_private *glamor_priv = glamor_get_screen_private(pScreen);
     float       color[4];
 
     glamor_get_rgba_from_pixel(pixel,
                                &color[0], &color[1], &color[2], &color[3],
-                               format_for_pixmap(pixmap));
+                               format_for_depth(depth));
 
-    if ((pixmap->drawable.depth == 1 || pixmap->drawable.depth == 8) &&
-	glamor_priv->one_channel_format == GL_RED)
+    if ((depth == 1 || depth == 8) &&
+        glamor_priv->one_channel_format == GL_RED)
       color[0] = color[3];
 
     glUniform4fv(uniform, 1, color);
diff --git a/glamor/glamor_transform.h b/glamor/glamor_transform.h
index ab7b2bcb3..5a520ebb0 100644
--- a/glamor/glamor_transform.h
+++ b/glamor/glamor_transform.h
@@ -33,9 +33,19 @@ glamor_set_destination_drawable(DrawablePtr     drawable,
                                 int             *p_off_y);
 
 void
+glamor_set_color_depth(ScreenPtr      pScreen,
+                       int            depth,
+                       CARD32         pixel,
+                       GLint          uniform);
+
+static inline void
 glamor_set_color(PixmapPtr      pixmap,
                  CARD32         pixel,
-                 GLint          uniform);
+                 GLint          uniform)
+{
+    glamor_set_color_depth(pixmap->drawable.pScreen,
+                           pixmap->drawable.depth, pixel, uniform);
+}
 
 Bool
 glamor_set_texture_pixmap(PixmapPtr    texture);