From 80a9412ea001f59272c2005d647d138316299419 Mon Sep 17 00:00:00 2001
From: Yichao Yu <yyc1992@gmail.com>
Date: Sun, 22 Jun 2014 20:55:42 +0800
Subject: [PATCH] _Program.create_with_built_in_kernels

---
 TODOs                             |  1 -
 pyopencl/c_wrapper/wrap_cl_core.h |  4 ++++
 pyopencl/cffi_cl.py               |  8 ++++++++
 src/c_wrapper/program.cpp         | 16 ++++++++++++++++
 4 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/TODOs b/TODOs
index b34b882c..9c826a55 100644
--- a/TODOs
+++ b/TODOs
@@ -5,7 +5,6 @@
 - enqueue_nd_range_kernel size/offset mess
 
 - CommandQueue.set_property
-- _Program.create_with_built_in_kernels
 - _Program.compile
 - _Program.link
 - _Program.all_kernels
diff --git a/pyopencl/c_wrapper/wrap_cl_core.h b/pyopencl/c_wrapper/wrap_cl_core.h
index b50ab024..396014b9 100644
--- a/pyopencl/c_wrapper/wrap_cl_core.h
+++ b/pyopencl/c_wrapper/wrap_cl_core.h
@@ -109,6 +109,10 @@ error *program__build(clobj_t program, const char *options,
 error *program__kind(clobj_t program, int *kind);
 error *program__get_build_info(clobj_t program, clobj_t device,
                                cl_program_build_info param, generic_info *out);
+error *program__create_with_builtin_kernels(clobj_t *_prg, clobj_t _ctx,
+                                            const clobj_t *_devs,
+                                            uint32_t num_devs,
+                                            const char *names);
 // Sampler
 error *create_sampler(clobj_t *sampler, clobj_t context, int norm_coords,
                       cl_addressing_mode am, cl_filter_mode fm);
diff --git a/pyopencl/cffi_cl.py b/pyopencl/cffi_cl.py
index f7043b8b..422fad54 100644
--- a/pyopencl/cffi_cl.py
+++ b/pyopencl/cffi_cl.py
@@ -881,6 +881,14 @@ class _Program(_Common):
             self.ptr, device.ptr, param, info))
         return _generic_info_to_python(info)
 
+    @classmethod
+    def create_with_builtin_kernels(cls, context, devices, kernel_names):
+        _devs, num_devs = _clobj_list(devices)
+        _prg = _ffi.new('clobj_t*')
+        _handle_error(_lib.program__create_with_builtin_kernels(
+            _prg, context.ptr, _devs, num_devs, _to_cstring(kernel_names)))
+        return cls._create(_prg[0])
+
 # }}}
 
 
diff --git a/src/c_wrapper/program.cpp b/src/c_wrapper/program.cpp
index 87611fb4..286649cc 100644
--- a/src/c_wrapper/program.cpp
+++ b/src/c_wrapper/program.cpp
@@ -169,3 +169,19 @@ program__get_build_info(clobj_t _prog, clobj_t _dev,
             *out = prog->get_build_info(dev, param);
         });
 }
+
+#if PYOPENCL_CL_VERSION >= 0x1020
+error*
+program__create_with_builtin_kernels(clobj_t *_prg, clobj_t _ctx,
+                                     const clobj_t *_devs, uint32_t num_devs,
+                                     const char *names)
+{
+    const auto devs = buf_from_class<device>(_devs, num_devs);
+    auto ctx = static_cast<context*>(_ctx);
+    return c_handle_error([&] {
+            auto prg = pyopencl_call_guarded(clCreateProgramWithBuiltInKernels,
+                                             ctx, devs, names);
+            *_prg = new_program(prg);
+        });
+}
+#endif
-- 
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