1 files changed, 50 insertions, 0 deletions
diff --git a/intern/cycles/kernel/kernel_compat_opencl.h b/intern/cycles/kernel/kernel_compat_opencl.h
new file mode 100644
index 00000000000..16ddca5305b
--- /dev/null
+++ b/intern/cycles/kernel/kernel_compat_opencl.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2011, Blender Foundation.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __KERNEL_COMPAT_OPENCL_H__
+#define __KERNEL_COMPAT_OPENCL_H__
+
+#define __KERNEL_GPU__
+#define __KERNEL_OPENCL__
+
+#include "util_types.h"
+
+CCL_NAMESPACE_BEGIN
+
+#define __device
+#define __device_inline
+
+__device float kernel_tex_interp_(__global float *data, int width, float x)
+{
+	x = clamp(x, 0.0f, 1.0f)*width;
+
+	int index = min((int)x, width-1);
+	int nindex = min(index+1, width-1);
+	float t = x - index;
+
+	return (1.0f - t)*data[index] + t*data[nindex];
+}
+
+#define kernel_data (*kg->data)
+#define kernel_tex_interp(t, x) \
+	kernel_tex_interp_(kg->t, kg->t##_width, x);
+
+CCL_NAMESPACE_END
+
+#endif /* __KERNEL_COMPAT_OPENCL_H__ */
+