1 files changed, 126 insertions, 0 deletions
diff --git a/intern/cycles/kernel/device/metal/compat.h b/intern/cycles/kernel/device/metal/compat.h
new file mode 100644
index 00000000000..77cea30914c
--- /dev/null
+++ b/intern/cycles/kernel/device/metal/compat.h
@@ -0,0 +1,126 @@
+/*
+ * 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.
+ */
+
+#pragma once
+
+#define __KERNEL_GPU__
+#define __KERNEL_METAL__
+#define CCL_NAMESPACE_BEGIN
+#define CCL_NAMESPACE_END
+
+#ifndef ATTR_FALLTHROUGH
+#  define ATTR_FALLTHROUGH
+#endif
+
+#include <metal_atomic>
+#include <metal_pack>
+#include <metal_stdlib>
+#include <simd/simd.h>
+
+using namespace metal;
+
+#pragma clang diagnostic ignored "-Wunused-variable"
+#pragma clang diagnostic ignored "-Wsign-compare"
+
+/* Qualifiers */
+
+#define ccl_device
+#define ccl_device_inline ccl_device
+#define ccl_device_forceinline ccl_device
+#define ccl_device_noinline ccl_device __attribute__((noinline))
+#define ccl_device_noinline_cpu ccl_device
+#define ccl_global device
+#define ccl_static_constant static constant constexpr
+#define ccl_device_constant constant
+#define ccl_constant const device
+#define ccl_gpu_shared threadgroup
+#define ccl_private thread
+#define ccl_may_alias
+#define ccl_restrict __restrict
+#define ccl_loop_no_unroll
+#define ccl_align(n) alignas(n)
+#define ccl_optional_struct_init
+
+/* No assert supported for Metal */
+
+#define kernel_assert(cond)
+
+/* make_type definitions with Metal style element initializers */
+#ifdef make_float2
+#  undef make_float2
+#endif
+#ifdef make_float3
+#  undef make_float3
+#endif
+#ifdef make_float4
+#  undef make_float4
+#endif
+#ifdef make_int2
+#  undef make_int2
+#endif
+#ifdef make_int3
+#  undef make_int3
+#endif
+#ifdef make_int4
+#  undef make_int4
+#endif
+#ifdef make_uchar4
+#  undef make_uchar4
+#endif
+
+#define make_float2(x, y) float2(x, y)
+#define make_float3(x, y, z) float3(x, y, z)
+#define make_float4(x, y, z, w) float4(x, y, z, w)
+#define make_int2(x, y) int2(x, y)
+#define make_int3(x, y, z) int3(x, y, z)
+#define make_int4(x, y, z, w) int4(x, y, z, w)
+#define make_uchar4(x, y, z, w) uchar4(x, y, z, w)
+
+/* Math functions */
+
+#define __uint_as_float(x) as_type<float>(x)
+#define __float_as_uint(x) as_type<uint>(x)
+#define __int_as_float(x) as_type<float>(x)
+#define __float_as_int(x) as_type<int>(x)
+#define __float2half(x) half(x)
+#define powf(x, y) pow(float(x), float(y))
+#define fabsf(x) fabs(float(x))
+#define copysignf(x, y) copysign(float(x), float(y))
+#define asinf(x) asin(float(x))
+#define acosf(x) acos(float(x))
+#define atanf(x) atan(float(x))
+#define floorf(x) floor(float(x))
+#define ceilf(x) ceil(float(x))
+#define hypotf(x, y) hypot(float(x), float(y))
+#define atan2f(x, y) atan2(float(x), float(y))
+#define fmaxf(x, y) fmax(float(x), float(y))
+#define fminf(x, y) fmin(float(x), float(y))
+#define fmodf(x, y) fmod(float(x), float(y))
+#define sinhf(x) sinh(float(x))
+#define coshf(x) cosh(float(x))
+#define tanhf(x) tanh(float(x))
+
+/* Use native functions with possibly lower precision for performance,
+ * no issues found so far. */
+#define trigmode fast
+#define sinf(x) trigmode::sin(float(x))
+#define cosf(x) trigmode::cos(float(x))
+#define tanf(x) trigmode::tan(float(x))
+#define expf(x) trigmode::exp(float(x))
+#define sqrtf(x) trigmode::sqrt(float(x))
+#define logf(x) trigmode::log(float(x))
+
+#define NULL 0