Cycles: move clew into cycles namespace to avoid conflicts, and fix mesh

displacement panel showing with blender internal.

intern/cycles/SConscript

@@ -6,7 +6,7 @@ cycles = env.Clone()
 
 cycles.Depends('../../source/blender/makesrna/intern/RNA_blender_cpp.h', 'makesrna')
 
-sources = cycles.Glob('bvh/*.cpp') + cycles.Glob('device/*.cpp') + cycles.Glob('kernel/*.cpp') + cycles.Glob('render/*.cpp') + cycles.Glob('subd/*.cpp') + cycles.Glob('util/*.cpp') + cycles.Glob('util/*.c') + cycles.Glob('blender/*.cpp')
+sources = cycles.Glob('bvh/*.cpp') + cycles.Glob('device/*.cpp') + cycles.Glob('kernel/*.cpp') + cycles.Glob('render/*.cpp') + cycles.Glob('subd/*.cpp') + cycles.Glob('util/*.cpp') + cycles.Glob('blender/*.cpp')
 
 sources.remove(path.join('util', 'util_view.cpp'))
 sources.remove(path.join('render', 'film_response.cpp'))

intern/cycles/blender/addon/ui.py

@@ -295,7 +295,7 @@ class Cycles_PT_mesh_displacement(CyclesButtonsPanel, Panel):
 
     @classmethod
     def poll(cls, context):
-        return context.mesh or context.curve or context.meta_ball
+        return CyclesButtonsPanel.poll(context) and context.mesh or context.curve or context.meta_ball
 
     def draw(self, context):
         layout = self.layout

intern/cycles/util/CMakeLists.txt

@@ -11,7 +11,7 @@ set(SRC
 	util_dynlib.cpp
 	util_md5.cpp
 	util_memarena.cpp
-	util_opencl.c
+	util_opencl.cpp
 	util_path.cpp
 	util_string.cpp
 	util_system.cpp

intern/cycles/util/util_opencl.cpp

@@ -7,6 +7,8 @@
 //  Extracted from the CLCC project - http://clcc.sourceforge.net/
 //////////////////////////////////////////////////////////////////////////
 
+#include <stdlib.h>
+
 #include "util_opencl.h"
 
 #ifndef CLCC_GENERATE_DOCUMENTATION
@@ -36,7 +38,7 @@
     //#define CLCC_DYNLIB_IMPORT      implementation_defined
 #endif
 
-#include <stdlib.h>
+CCL_NAMESPACE_BEGIN
 
 //! \brief module handle
 static CLCC_DYNLIB_HANDLE module = NULL;
@@ -315,3 +317,5 @@ const char *clErrorString(cl_int error)
     return strings[-error];
 }
 
+CCL_NAMESPACE_END
+

intern/cycles/util/util_opencl.h

@@ -10,6 +10,8 @@
 #ifndef __UTIL_OPENCL_H__
 #define __UTIL_OPENCL_H__
 
+CCL_NAMESPACE_BEGIN
+
 //! This file contains a copy of the contents of CL.H and CL_PLATFORM.H from the 
 //! official OpenCL spec. The purpose of this code is to load the OpenCL dynamic
 //! library at run-time and thus allow the executable to function on many
@@ -56,15 +58,6 @@
 * MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
 ******************************************************************************/
 
-#ifdef __APPLE__
-/* Contains #defines for AVAILABLE_MAC_OS_X_VERSION_10_6_AND_LATER below */
-#include <AvailabilityMacros.h>
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 #ifndef CLCC_GENERATE_DOCUMENTATION
 
 #if defined(_WIN32)
@@ -1312,9 +1305,7 @@ CLEW_FUN_EXPORT     PFNCLGETEXTENSIONFUNCTIONADDRESS    __clewGetExtensionFuncti
 int clLibraryInit(void);
 const char *clErrorString(cl_int error);
 
-#ifdef __cplusplus
-}
-#endif
+CCL_NAMESPACE_END
 
 #endif /*  __UTIL_OPENCL_H__ */