Fix build against CL 1.1

cffi_build.py.in

@@ -48,30 +48,7 @@ if {CL_ENABLE_GL}:
 
 ffi.set_source("pyopencl._cffi",
         """
-        #ifndef __APPLE__
-            #include <CL/cl.h>
-
-            #ifdef HAVE_GL
-            #include <GL/gl.h>
-            #include <CL/cl_gl.h>
-            #include <CL/cl_gl_ext.h>
-            #endif
-        #else
-            #include <OpenCL/opencl.h>
-
-            #ifdef HAVE_GL
-            #include <OpenGL/OpenGL.h>
-            #include <OpenCL/cl_gl.h>
-            #include <OpenCL/cl_gl_ext.h>
-            #endif
-        #endif
-
-        extern "C" {{
-            #include <wrap_cl_core.h>
-            #ifdef HAVE_GL
-            #include <wrap_cl_gl_core.h>
-            #endif
-        }}
+        #include "wrap_cl.h"
         """,
         define_macros=list({EXTRA_DEFINES}.items()),
         include_dirs=(

src/c_wrapper/wrap_cl.h

@@ -79,7 +79,20 @@ typedef cl_uint             cl_kernel_exec_info;
 #ifndef CL_VERSION_1_2
 typedef intptr_t cl_device_partition_property;
 typedef cl_uint cl_kernel_arg_info;
-typedef struct _cl_image_desc cl_image_desc;
+
+typedef struct _cl_image_desc {
+    cl_mem_object_type      image_type;
+    size_t                  image_width;
+    size_t                  image_height;
+    size_t                  image_depth;
+    size_t                  image_array_size;
+    size_t                  image_row_pitch;
+    size_t                  image_slice_pitch;
+    cl_uint                 num_mip_levels;
+    cl_uint                 num_samples;
+    cl_mem                  buffer;
+} cl_image_desc;
+
 typedef cl_bitfield cl_mem_migration_flags;
 #endif
 
@@ -87,10 +100,6 @@ typedef cl_bitfield cl_mem_migration_flags;
 typedef cl_bitfield cl_mem_migration_flags_ext;
 #endif
 
-#ifndef cl_ext_device_fission
-typedef cl_ulong cl_device_partition_property_ext;
-#endif
-
 struct clbase;
 typedef clbase *clobj_t;