3 files changed, 81 insertions, 0 deletions
diff --git a/indra/llrender/CMakeLists.txt b/indra/llrender/CMakeLists.txt
index baab09a104..94b09127be 100644
--- a/indra/llrender/CMakeLists.txt
+++ b/indra/llrender/CMakeLists.txt
@@ -48,6 +48,7 @@ set(llrender_SOURCE_FILES
     llrendertarget.cpp
     llshadermgr.cpp
     lltexture.cpp
+    lltexturemanagerbridge.cpp
     lluiimage.cpp
     llvertexbuffer.cpp
     llglcommonfunc.cpp
@@ -77,6 +78,7 @@ set(llrender_HEADER_FILES
     llrendersphere.h
     llshadermgr.h
     lltexture.h
+    lltexturemanagerbridge.h
     lluiimage.h
     lluiimage.inl
     llvertexbuffer.h
diff --git a/indra/llrender/lltexturemanagerbridge.cpp b/indra/llrender/lltexturemanagerbridge.cpp
new file mode 100644
index 0000000000..33f2185e4f
--- /dev/null
+++ b/indra/llrender/lltexturemanagerbridge.cpp
@@ -0,0 +1,32 @@
+ /** 
+ * @file lltexturemanagerbridge.cpp
+ * @brief Defined a null texture manager bridge.  Applications must provide their own bridge implementaton.
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "lltexturemanagerbridge.h"
+
+// Define a null texture manager bridge.  Applications must provide their own bridge implementaton.
+LLTextureManagerBridge* gTextureManagerBridgep = NULL;
+
+
diff --git a/indra/llrender/lltexturemanagerbridge.h b/indra/llrender/lltexturemanagerbridge.h
new file mode 100644
index 0000000000..f61433ea4d
--- /dev/null
+++ b/indra/llrender/lltexturemanagerbridge.h
@@ -0,0 +1,47 @@
+/** 
+ * @file lltexturemanagerbridge.h
+ * @brief Bridge to an application-specific texture manager.
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_TEXTUREMANAGERBRIDGE_H
+#define LL_TEXTUREMANAGERBRIDGE_H
+
+#include "llpointer.h"
+#include "llgltexture.h"
+
+// Abstract bridge interface
+class LLTextureManagerBridge
+{
+public:
+    virtual ~LLTextureManagerBridge() {}
+
+	virtual LLPointer<LLGLTexture> getLocalTexture(BOOL usemipmaps = TRUE, BOOL generate_gl_tex = TRUE) = 0;
+	virtual LLPointer<LLGLTexture> getLocalTexture(const U32 width, const U32 height, const U8 components, BOOL usemipmaps, BOOL generate_gl_tex = TRUE) = 0;
+	virtual LLGLTexture* getFetchedTexture(const LLUUID &image_id) = 0;
+};
+
+extern LLTextureManagerBridge* gTextureManagerBridgep;
+
+#endif // LL_TEXTUREMANAGERBRIDGE_H
+