From d3df33ecdb24a92df997763597ca76385fad9382 Mon Sep 17 00:00:00 2001
From: Andreas Mueller <schnitzeltony@gmx.de>
Date: Fri, 10 Sep 2010 16:06:37 +0200
Subject: [PATCH] Fix errors building for gles-systems (clutter-eglx)

* GL_TEXTURE_RECTANGLE_ARB not avaliable
* clutter_glx_texture_pixmap_using_extension / CLUTTER_GLX_TEXTURE_PIXMAP not avaliable

Signed-off-by: Andreas Mueller <schnitzeltony@gmx.de>
---
 src/compositor/meta-shaped-texture.c | 4 ++++
 src/compositor/meta-texture-tower.c  | 8 ++++++++
 src/compositor/meta-window-actor.c   | 4 ++++
 3 files changed, 16 insertions(+)

diff --git a/src/compositor/meta-shaped-texture.c b/src/compositor/meta-shaped-texture.c
index ed77379c6..273dfd358 100644
--- a/src/compositor/meta-shaped-texture.c
+++ b/src/compositor/meta-shaped-texture.c
@@ -187,8 +187,10 @@ meta_shaped_texture_dirty_mask (MetaShapedTexture *stex)
       cogl_texture_get_gl_texture (priv->mask_texture,
                                    &mask_gl_tex, &mask_gl_target);
 
+#ifdef GL_TEXTURE_RECTANGLE_ARB
       if (mask_gl_target == GL_TEXTURE_RECTANGLE_ARB)
         glDeleteTextures (1, &mask_gl_tex);
+#endif
 
       cogl_handle_unref (priv->mask_texture);
       priv->mask_texture = COGL_INVALID_HANDLE;
@@ -253,6 +255,7 @@ meta_shaped_texture_ensure_mask (MetaShapedTexture *stex)
 
       cogl_texture_get_gl_texture (paint_tex, NULL, &paint_gl_target);
 
+#ifdef GL_TEXTURE_RECTANGLE_ARB
       if (paint_gl_target == GL_TEXTURE_RECTANGLE_ARB)
         {
           GLuint tex;
@@ -275,6 +278,7 @@ meta_shaped_texture_ensure_mask (MetaShapedTexture *stex)
                                              COGL_PIXEL_FORMAT_A_8);
         }
       else
+#endif /* GL_TEXTURE_RECTANGLE_ARB */
         priv->mask_texture = cogl_texture_new_from_data (tex_width, tex_height,
                                                          COGL_TEXTURE_NONE,
                                                          COGL_PIXEL_FORMAT_A_8,
diff --git a/src/compositor/meta-texture-tower.c b/src/compositor/meta-texture-tower.c
index fe3780afd..97ef60195 100644
--- a/src/compositor/meta-texture-tower.c
+++ b/src/compositor/meta-texture-tower.c
@@ -97,6 +97,7 @@ meta_texture_tower_free (MetaTextureTower *tower)
   g_slice_free (MetaTextureTower, tower);
 }
 
+#ifdef GL_TEXTURE_RECTANGLE_ARB
 static gboolean
 texture_is_rectangle (CoglHandle texture)
 {
@@ -106,10 +107,12 @@ texture_is_rectangle (CoglHandle texture)
   cogl_texture_get_gl_texture (texture, &gl_tex, &gl_target);
   return gl_target == GL_TEXTURE_RECTANGLE_ARB;
 }
+#endif /* GL_TEXTURE_RECTANGLE_ARB */
 
 static void
 free_texture (CoglHandle texture)
 {
+#ifdef GL_TEXTURE_RECTANGLE_ARB
   GLuint gl_tex;
   GLenum gl_target;
 
@@ -117,6 +120,7 @@ free_texture (CoglHandle texture)
 
   if (gl_target == GL_TEXTURE_RECTANGLE_ARB)
     glDeleteTextures (1, &gl_tex);
+#endif /* GL_TEXTURE_RECTANGLE_ARB */
 
   cogl_handle_unref (texture);
 }
@@ -362,11 +366,13 @@ get_paint_level (int width, int height)
     return (int)(0.5 + lambda);
 }
 
+#ifdef GL_TEXTURE_RECTANGLE_ARB
 static gboolean
 is_power_of_two (int x)
 {
   return (x & (x - 1)) == 0;
 }
+#endif /* GL_TEXTURE_RECTANGLE_ARB */
 
 static void
 texture_tower_create_texture (MetaTextureTower *tower,
@@ -374,6 +380,7 @@ texture_tower_create_texture (MetaTextureTower *tower,
                               int               width,
                               int               height)
 {
+#ifdef GL_TEXTURE_RECTANGLE_ARB
   if ((!is_power_of_two (width) || !is_power_of_two (height)) &&
       texture_is_rectangle (tower->textures[level - 1]))
     {
@@ -396,6 +403,7 @@ texture_tower_create_texture (MetaTextureTower *tower,
                                                               TEXTURE_FORMAT);
     }
   else
+#endif /* GL_TEXTURE_RECTANGLE_ARB */
     {
       tower->textures[level] = cogl_texture_new_with_size (width, height,
                                                            COGL_TEXTURE_NO_AUTO_MIPMAP,
diff --git a/src/compositor/meta-window-actor.c b/src/compositor/meta-window-actor.c
index 95a84e412..711434651 100644
--- a/src/compositor/meta-window-actor.c
+++ b/src/compositor/meta-window-actor.c
@@ -1,5 +1,7 @@
 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
 
+#include <config.h>
+
 #define _ISOC99_SOURCE /* for roundf */
 #include <math.h>
 
@@ -1823,9 +1825,11 @@ check_needs_pixmap (MetaWindowActor *self)
        * do it here.
        * See: http://bugzilla.clutter-project.org/show_bug.cgi?id=2236
        */
+#ifdef HAVE_GLX_TEXTURE_PIXMAP
       if (G_UNLIKELY (!clutter_glx_texture_pixmap_using_extension (
                                   CLUTTER_GLX_TEXTURE_PIXMAP (priv->actor))))
         g_warning ("NOTE: Not using GLX TFP!\n");
+#endif
 
       g_object_get (priv->actor,
                     "pixmap-width", &pxm_width,