Cleanup: Move texture definitions to util, to avoid bad level include.

intern/cycles/util/util_texture.h

@@ -0,0 +1,53 @@
+/*
+ * Copyright 2011-2016 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_TEXTURE_H__
+#define __UTIL_TEXTURE_H__
+
+CCL_NAMESPACE_BEGIN
+
+/* Texture limits on various devices. */
+
+#define TEX_NUM_FLOAT_IMAGES	5
+
+/* generic */
+#define TEX_NUM_IMAGES			88
+#define TEX_IMAGE_BYTE_START	TEX_NUM_FLOAT_IMAGES
+
+/* extended gpu */
+#define TEX_EXTENDED_NUM_IMAGES_GPU		145
+
+/* extended cpu */
+#define TEX_EXTENDED_NUM_FLOAT_IMAGES	1024
+#define TEX_EXTENDED_NUM_IMAGES_CPU		1024
+#define TEX_EXTENDED_IMAGE_BYTE_START	TEX_EXTENDED_NUM_FLOAT_IMAGES
+
+/* Limitations for packed images.
+ *
+ * Technically number of textures is unlimited, but it should in
+ * fact be in sync with CPU limitations.
+ */
+#define TEX_PACKED_NUM_IMAGES			1024
+
+/* Color to use when textures are not found. */
+#define TEX_IMAGE_MISSING_R 1
+#define TEX_IMAGE_MISSING_G 0
+#define TEX_IMAGE_MISSING_B 1
+#define TEX_IMAGE_MISSING_A 1
+
+CCL_NAMESPACE_END
+
+#endif /* __UTIL_TEXTURE_H__ */