1 files changed, 61 insertions, 0 deletions
diff --git a/intern/cycles/kernel/device/cpu/globals.h b/intern/cycles/kernel/device/cpu/globals.h
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+++ b/intern/cycles/kernel/device/cpu/globals.h
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+/*
+ * 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.
+ */
+
+/* Constant Globals */
+
+#pragma once
+
+#include "kernel/kernel_profiling.h"
+#include "kernel/kernel_types.h"
+
+CCL_NAMESPACE_BEGIN
+
+/* On the CPU, we pass along the struct KernelGlobals to nearly everywhere in
+ * the kernel, to access constant data. These are all stored as "textures", but
+ * these are really just standard arrays. We can't use actually globals because
+ * multiple renders may be running inside the same process. */
+
+#ifdef __OSL__
+struct OSLGlobals;
+struct OSLThreadData;
+struct OSLShadingSystem;
+#endif
+
+typedef struct KernelGlobals {
+#define KERNEL_TEX(type, name) texture<type> name;
+#include "kernel/kernel_textures.h"
+
+  KernelData __data;
+
+#ifdef __OSL__
+  /* On the CPU, we also have the OSL globals here. Most data structures are shared
+   * with SVM, the difference is in the shaders and object/mesh attributes. */
+  OSLGlobals *osl;
+  OSLShadingSystem *osl_ss;
+  OSLThreadData *osl_tdata;
+#endif
+
+  /* **** Run-time data ****  */
+
+  ProfilingState profiler;
+} KernelGlobals;
+
+/* Abstraction macros */
+#define kernel_tex_fetch(tex, index) (kg->tex.fetch(index))
+#define kernel_tex_array(tex) (kg->tex.data)
+#define kernel_data (kg->__data)
+
+CCL_NAMESPACE_END