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/*
* 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__ */
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