1 files changed, 77 insertions, 0 deletions
diff --git a/intern/cycles/util/optimization.h b/intern/cycles/util/optimization.h
new file mode 100644
index 00000000000..7ecd3893cf4
--- /dev/null
+++ b/intern/cycles/util/optimization.h
@@ -0,0 +1,77 @@
+/*
+ * Copyright 2011-2013 Blender Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __UTIL_OPTIMIZATION_H__
+#define __UTIL_OPTIMIZATION_H__
+
+#ifndef __KERNEL_GPU__
+
+/* x86
+ *
+ * Compile a regular, SSE2 and SSE3 kernel. */
+
+#  if defined(i386) || defined(_M_IX86)
+
+/* We require minimum SSE2 support on x86, so auto enable. */
+#    define __KERNEL_SSE2__
+#    ifdef WITH_KERNEL_SSE2
+#      define WITH_CYCLES_OPTIMIZED_KERNEL_SSE2
+#    endif
+#    ifdef WITH_KERNEL_SSE3
+#      define WITH_CYCLES_OPTIMIZED_KERNEL_SSE3
+#    endif
+
+/* x86-64
+ *
+ * Compile a regular (includes SSE2), SSE3, SSE 4.1, AVX and AVX2 kernel. */
+
+#  elif defined(__x86_64__) || defined(_M_X64)
+
+/* SSE2 is always available on x86-64 CPUs, so auto enable */
+#    define __KERNEL_SSE2__
+/* no SSE2 kernel on x86-64, part of regular kernel */
+#    ifdef WITH_KERNEL_SSE3
+#      define WITH_CYCLES_OPTIMIZED_KERNEL_SSE3
+#    endif
+#    ifdef WITH_KERNEL_SSE41
+#      define WITH_CYCLES_OPTIMIZED_KERNEL_SSE41
+#    endif
+#    ifdef WITH_KERNEL_AVX
+#      define WITH_CYCLES_OPTIMIZED_KERNEL_AVX
+#    endif
+#    ifdef WITH_KERNEL_AVX2
+#      define WITH_CYCLES_OPTIMIZED_KERNEL_AVX2
+#    endif
+
+/* Arm Neon
+ *
+ * Compile a SSE4 kernel emulated with Neon. Most code is shared with
+ * SSE, some specializations for performance and compatibility are made
+ * made testing for __KERNEL_NEON__. */
+
+#  elif defined(__ARM_NEON) && defined(WITH_SSE2NEON)
+
+#    define __KERNEL_NEON__
+#    define __KERNEL_SSE__
+#    define __KERNEL_SSE2__
+#    define __KERNEL_SSE3__
+#    define __KERNEL_SSE41__
+
+#  endif
+
+#endif
+
+#endif /* __UTIL_OPTIMIZATION_H__ */