From 8f734ccbb48effa1b9f3057e26ac5eb40ef54930 Mon Sep 17 00:00:00 2001
From: Robert Bragg <robert@linux.intel.com>
Date: Wed, 17 Jun 2009 15:03:33 +0100
Subject: [PATCH] [vertex-buffer] Add cogl_vertex_buffer_indices_get_type API

cogl_vertex_buffer_indices lets you query back the data type used for the
given indices handle.
---
 clutter/cogl/cogl-vertex-buffer.h        | 11 +++++++++++
 clutter/cogl/common/cogl-vertex-buffer.c | 21 +++++++++++++++++++++
 2 files changed, 32 insertions(+)

diff --git a/clutter/cogl/cogl-vertex-buffer.h b/clutter/cogl/cogl-vertex-buffer.h
index d856f9425..00af95b8b 100644
--- a/clutter/cogl/cogl-vertex-buffer.h
+++ b/clutter/cogl/cogl-vertex-buffer.h
@@ -332,6 +332,17 @@ cogl_vertex_buffer_indices_new (CoglIndicesType  indices_type,
                                 const void      *indices_array,
                                 int              indices_len);
 
+/**
+ * cogl_vertex_buffer_indices_get_type:
+ * @handle: An indices handle
+ *
+ * Queries back the data type used for the given indices
+ *
+ * Returns: The CoglIndicesType used
+ */
+CoglIndicesType
+cogl_vertex_buffer_indices_get_type (CoglHandle indices);
+
 /**
  * cogl_vertex_buffer_delete_indices:
  * @handle: A vertex buffer handle
diff --git a/clutter/cogl/common/cogl-vertex-buffer.c b/clutter/cogl/common/cogl-vertex-buffer.c
index ada1d0a19..a18852078 100644
--- a/clutter/cogl/common/cogl-vertex-buffer.c
+++ b/clutter/cogl/common/cogl-vertex-buffer.c
@@ -1802,6 +1802,27 @@ cogl_vertex_buffer_indices_new (CoglIndicesType  indices_type,
   return _cogl_vertex_buffer_indices_handle_new (indices);
 }
 
+CoglIndicesType
+cogl_vertex_buffer_indices_get_type (CoglHandle indices_handle)
+{
+  CoglVertexBufferIndices *indices = NULL;
+
+  if (!cogl_is_vertex_buffer_indices (indices_handle))
+    return COGL_INDICES_TYPE_UNSIGNED_SHORT;
+
+  indices = _cogl_vertex_buffer_indices_pointer_from_handle (indices_handle);
+
+  if (indices->type == GL_UNSIGNED_BYTE)
+    return COGL_INDICES_TYPE_UNSIGNED_BYTE;
+  else if (indices->type == GL_UNSIGNED_SHORT)
+    return COGL_INDICES_TYPE_UNSIGNED_SHORT;
+  else
+    {
+      g_critical ("unknown indices type %d", indices->type);
+      return COGL_INDICES_TYPE_UNSIGNED_SHORT;
+    }
+}
+
 void
 _cogl_vertex_buffer_indices_free (CoglVertexBufferIndices *indices)
 {