[cogl/wip/neil/snippets: 1/22] attribute: Guard the fixed function client state calls

[Neil Roberts <nroberts src gnome org>]

commit 4e9aaf5c33b8a6893d6dbb47919bd9cdd24b2751
Author: Neil Roberts <neil linux intel com>
Date:   Tue Nov 29 20:39:01 2011 +0000

    attribute: Guard the fixed function client state calls
    
    This adds #ifdefs around the fixed function client state enabling
    calls so that it will still build when only gles2 is enabled.

 cogl/cogl-attribute.c |   66 +++++++++++++++++++++++++++++++-----------------
 1 files changed, 42 insertions(+), 24 deletions(-)
---
diff --git a/cogl/cogl-attribute.c b/cogl/cogl-attribute.c
index 755cea7..547736f 100644
--- a/cogl/cogl-attribute.c
+++ b/cogl/cogl-attribute.c
@@ -381,26 +381,35 @@ static gboolean
 toggle_builtin_attribute_enabled_cb (int bit_num, void *user_data)
 {
   ForeachChangedBitState *state = user_data;
-  gboolean enabled = _cogl_bitmask_get (state->new_bits, bit_num);
   CoglContext *context = state->context;
-  GLenum cap;
 
-  switch (bit_num)
-    {
-    case COGL_ATTRIBUTE_NAME_ID_COLOR_ARRAY:
-      cap = GL_COLOR_ARRAY;
-      break;
-    case COGL_ATTRIBUTE_NAME_ID_POSITION_ARRAY:
-      cap = GL_VERTEX_ARRAY;
-      break;
-    case COGL_ATTRIBUTE_NAME_ID_NORMAL_ARRAY:
-      cap = GL_NORMAL_ARRAY;
-      break;
-    }
-  if (enabled)
-    GE (context, glEnableClientState (cap));
-  else
-    GE (context, glDisableClientState (cap));
+  _COGL_RETURN_VAL_IF_FAIL (context->driver == COGL_DRIVER_GL ||
+                            context->driver == COGL_DRIVER_GLES1,
+                            FALSE);
+
+#if defined (HAVE_COGL_GL) || defined (HAVE_COGL_GLES)
+  {
+    gboolean enabled = _cogl_bitmask_get (state->new_bits, bit_num);
+    GLenum cap;
+
+    switch (bit_num)
+      {
+      case COGL_ATTRIBUTE_NAME_ID_COLOR_ARRAY:
+        cap = GL_COLOR_ARRAY;
+        break;
+      case COGL_ATTRIBUTE_NAME_ID_POSITION_ARRAY:
+        cap = GL_VERTEX_ARRAY;
+        break;
+      case COGL_ATTRIBUTE_NAME_ID_NORMAL_ARRAY:
+        cap = GL_NORMAL_ARRAY;
+        break;
+      }
+    if (enabled)
+      GE (context, glEnableClientState (cap));
+    else
+      GE (context, glDisableClientState (cap));
+  }
+#endif
 
   return TRUE;
 }
@@ -409,15 +418,24 @@ static gboolean
 toggle_texcood_attribute_enabled_cb (int bit_num, void *user_data)
 {
   ForeachChangedBitState *state = user_data;
-  gboolean enabled = _cogl_bitmask_get (state->new_bits, bit_num);
   CoglContext *context = state->context;
 
-  GE( context, glClientActiveTexture (GL_TEXTURE0 + bit_num) );
+  _COGL_RETURN_VAL_IF_FAIL (context->driver == COGL_DRIVER_GL ||
+                            context->driver == COGL_DRIVER_GLES1,
+                            FALSE);
 
-  if (enabled)
-    GE( context, glEnableClientState (GL_TEXTURE_COORD_ARRAY) );
-  else
-    GE( context, glDisableClientState (GL_TEXTURE_COORD_ARRAY) );
+#if defined (HAVE_COGL_GL) || defined (HAVE_COGL_GLES)
+  {
+    gboolean enabled = _cogl_bitmask_get (state->new_bits, bit_num);
+
+    GE( context, glClientActiveTexture (GL_TEXTURE0 + bit_num) );
+
+    if (enabled)
+      GE( context, glEnableClientState (GL_TEXTURE_COORD_ARRAY) );
+    else
+      GE( context, glDisableClientState (GL_TEXTURE_COORD_ARRAY) );
+  }
+#endif
 
   return TRUE;
 }