Cycles render engine, initial commit. This is the engine itself, blender modifications and build instructions will follow later.

Cycles uses code from some great open source projects, many thanks them:

* BVH building and traversal code from NVidia's "Understanding the Efficiency of Ray Traversal on GPUs":
http://code.google.com/p/understanding-the-efficiency-of-ray-traversal-on-gpus/
* Open Shading Language for a large part of the shading system:
http://code.google.com/p/openshadinglanguage/
* Blender for procedural textures and a few other nodes.
* Approximate Catmull Clark subdivision from NVidia Mesh tools:
http://code.google.com/p/nvidia-mesh-tools/
* Sobol direction vectors from:
http://web.maths.unsw.edu.au/~fkuo/sobol/
* Film response functions from:
http://www.cs.columbia.edu/CAVE/software/softlib/dorf.php

1 files changed, 47 insertions, 0 deletions

diff --git a/intern/cycles/kernel/kernel.h b/intern/cycles/kernel/kernel.h
new file mode 100644
index 00000000000..2bab585c6e6
--- /dev/null
+++ b/intern/cycles/kernel/kernel.h
@@ -0,0 +1,47 @@
+/*
+ * 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_H__
+#define __KERNEL_H__
+
+/* CPU Kernel Interfae */
+
+#include "util_types.h"
+
+CCL_NAMESPACE_BEGIN
+
+struct KernelGlobals;
+
+KernelGlobals *kernel_globals_create();
+void kernel_globals_free(KernelGlobals *kg);
+
+void *kernel_osl_memory(KernelGlobals *kg);
+bool kernel_osl_use(KernelGlobals *kg);
+
+void kernel_const_copy(KernelGlobals *kg, const char *name, void *host, size_t size);
+void kernel_tex_copy(KernelGlobals *kg, const char *name, device_ptr mem, size_t width, size_t height);
+
+void kernel_cpu_path_trace(KernelGlobals *kg, float4 *buffer, unsigned int *rng_state, int pass, int x, int y);
+void kernel_cpu_tonemap(KernelGlobals *kg, uchar4 *rgba, float4 *buffer, int pass, int resolution, int x, int y);
+
+void kernel_cpu_displace(KernelGlobals *kg, uint4 *input, float3 *offset, int i);
+
+CCL_NAMESPACE_END
+
+#endif /* __KERNEL_H__ */
+