92 lines
2.3 KiB
C
92 lines
2.3 KiB
C
/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
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*
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* SPDX-License-Identifier: Apache-2.0 */
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#ifndef __UTIL_TEXTURE_H__
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#define __UTIL_TEXTURE_H__
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#include "util/transform.h"
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CCL_NAMESPACE_BEGIN
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/* Color to use when textures are not found. */
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#define TEX_IMAGE_MISSING_R 1
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#define TEX_IMAGE_MISSING_G 0
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#define TEX_IMAGE_MISSING_B 1
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#define TEX_IMAGE_MISSING_A 1
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/* Interpolation types for textures
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* CUDA also use texture space to store other objects. */
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typedef enum InterpolationType {
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INTERPOLATION_NONE = -1,
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INTERPOLATION_LINEAR = 0,
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INTERPOLATION_CLOSEST = 1,
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INTERPOLATION_CUBIC = 2,
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INTERPOLATION_SMART = 3,
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INTERPOLATION_NUM_TYPES,
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} InterpolationType;
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typedef enum ImageDataType {
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IMAGE_DATA_TYPE_FLOAT4 = 0,
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IMAGE_DATA_TYPE_BYTE4 = 1,
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IMAGE_DATA_TYPE_HALF4 = 2,
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IMAGE_DATA_TYPE_FLOAT = 3,
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IMAGE_DATA_TYPE_BYTE = 4,
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IMAGE_DATA_TYPE_HALF = 5,
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IMAGE_DATA_TYPE_USHORT4 = 6,
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IMAGE_DATA_TYPE_USHORT = 7,
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IMAGE_DATA_TYPE_NANOVDB_FLOAT = 8,
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IMAGE_DATA_TYPE_NANOVDB_FLOAT3 = 9,
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IMAGE_DATA_TYPE_NANOVDB_FPN = 10,
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IMAGE_DATA_TYPE_NANOVDB_FP16 = 11,
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IMAGE_DATA_NUM_TYPES
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} ImageDataType;
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/* Alpha types
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* How to treat alpha in images. */
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typedef enum ImageAlphaType {
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IMAGE_ALPHA_UNASSOCIATED = 0,
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IMAGE_ALPHA_ASSOCIATED = 1,
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IMAGE_ALPHA_CHANNEL_PACKED = 2,
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IMAGE_ALPHA_IGNORE = 3,
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IMAGE_ALPHA_AUTO = 4,
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IMAGE_ALPHA_NUM_TYPES,
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} ImageAlphaType;
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/* Extension types for textures.
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*
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* Defines how the image is extrapolated past its original bounds. */
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typedef enum ExtensionType {
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/* Cause the image to repeat horizontally and vertically. */
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EXTENSION_REPEAT = 0,
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/* Extend by repeating edge pixels of the image. */
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EXTENSION_EXTEND = 1,
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/* Clip to image size and set exterior pixels as transparent. */
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EXTENSION_CLIP = 2,
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/* Repeatedly flip the image horizontally and vertically. */
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EXTENSION_MIRROR = 3,
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EXTENSION_NUM_TYPES,
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} ExtensionType;
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typedef struct TextureInfo {
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/* Pointer, offset or texture depending on device. */
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uint64_t data;
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/* Data Type */
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uint data_type;
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/* Interpolation and extension type. */
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uint interpolation, extension;
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/* Dimensions. */
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uint width, height, depth;
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/* Transform for 3D textures. */
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uint use_transform_3d;
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Transform transform_3d;
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} TextureInfo;
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CCL_NAMESPACE_END
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#endif /* __UTIL_TEXTURE_H__ */
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