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/* SPDX-License-Identifier: Apache-2.0
* Copyright 2011-2022 Blender Foundation */
#ifndef __UTIL_TEXTURE_H__
#define __UTIL_TEXTURE_H__
#include "util/transform.h"
CCL_NAMESPACE_BEGIN
/* 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
/* Interpolation types for textures
* CUDA also use texture space to store other objects. */
typedef enum InterpolationType {
INTERPOLATION_NONE = -1,
INTERPOLATION_LINEAR = 0,
INTERPOLATION_CLOSEST = 1,
INTERPOLATION_CUBIC = 2,
INTERPOLATION_SMART = 3,
INTERPOLATION_NUM_TYPES,
} InterpolationType;
typedef enum ImageDataType {
IMAGE_DATA_TYPE_FLOAT4 = 0,
IMAGE_DATA_TYPE_BYTE4 = 1,
IMAGE_DATA_TYPE_HALF4 = 2,
IMAGE_DATA_TYPE_FLOAT = 3,
IMAGE_DATA_TYPE_BYTE = 4,
IMAGE_DATA_TYPE_HALF = 5,
IMAGE_DATA_TYPE_USHORT4 = 6,
IMAGE_DATA_TYPE_USHORT = 7,
IMAGE_DATA_TYPE_NANOVDB_FLOAT = 8,
IMAGE_DATA_TYPE_NANOVDB_FLOAT3 = 9,
IMAGE_DATA_TYPE_NANOVDB_FPN = 10,
IMAGE_DATA_TYPE_NANOVDB_FP16 = 11,
IMAGE_DATA_NUM_TYPES
} ImageDataType;
/* Alpha types
* How to treat alpha in images. */
typedef enum ImageAlphaType {
IMAGE_ALPHA_UNASSOCIATED = 0,
IMAGE_ALPHA_ASSOCIATED = 1,
IMAGE_ALPHA_CHANNEL_PACKED = 2,
IMAGE_ALPHA_IGNORE = 3,
IMAGE_ALPHA_AUTO = 4,
IMAGE_ALPHA_NUM_TYPES,
} ImageAlphaType;
/* Extension types for textures.
*
* Defines how the image is extrapolated past its original bounds. */
typedef enum ExtensionType {
/* Cause the image to repeat horizontally and vertically. */
EXTENSION_REPEAT = 0,
/* Extend by repeating edge pixels of the image. */
EXTENSION_EXTEND = 1,
/* Clip to image size and set exterior pixels as transparent. */
EXTENSION_CLIP = 2,
EXTENSION_NUM_TYPES,
} ExtensionType;
typedef struct TextureInfo {
/* Pointer, offset or texture depending on device. */
uint64_t data;
/* Data Type */
uint data_type;
/* Interpolation and extension type. */
uint interpolation, extension;
/* Dimensions. */
uint width, height, depth;
/* Transform for 3D textures. */
uint use_transform_3d;
Transform transform_3d;
} TextureInfo;
CCL_NAMESPACE_END
#endif /* __UTIL_TEXTURE_H__ */
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