- Texture3D();
-
- /** Defines storage structure for the texture. If lv is zero, the number
- of mipmap levels is automatically determined from storage dimensions.
-
- Must be called before an image can be uploaded. Once storage is defined,
- it can't be changed. */
- void storage(PixelFormat fmt, unsigned wd, unsigned ht, unsigned dp, unsigned lv = 0);
-
- DEPRECATED void storage(PixelComponents c, unsigned w, unsigned h, unsigned d, unsigned l = 0)
- { storage(make_pixelformat(c, UNSIGNED_BYTE), w, h, d, l); }
-
- /** Allocates storage for the texture. The contents are initially
- undefined. If storage has already been allocated, does nothing. */
- void allocate(unsigned level);
-
- /** Updates the contents of the entire texture. Storage must be defined
- beforehand. The image data must have dimensions and format matching the
- defined storage. */
- void image(unsigned level, const void *data);
-
- DEPRECATED void image(unsigned level, PixelComponents comp, DataType type, const void *data);
-
- /** Updates a cuboid-shaped region of the texture. Storage must be defined
- beforehand. The image data must be in a format mathing the defined storage
- and the update region must be fully inside the texture. */
- void sub_image(unsigned level, int x, int y, int z, unsigned wd, unsigned ht, unsigned dp, const void *data);
-
- DEPRECATED void sub_image(unsigned level,
- int x, int y, int z, unsigned wd, unsigned ht, unsigned dp,
- PixelComponents comp, DataType type, const void *data);
-
- /** Updates the contents of the entire texture from an image. If storage
- has not been defined, it will be set to match the image. In this case the
- image will be treated as a stack of square layers and its height must be
- divisible by its width. Otherwise the image must match the defined
- storage. */
+ Texture3D() = default;
+
+ /** Sets storage format and dimensions and allocates memory for the texture.
+ If lv is zero, a complete mipmap pyramid is automatically created. Storage
+ cannot be changed once set. */
+ void storage(PixelFormat, unsigned wd, unsigned ht, unsigned dp, unsigned lv = 0);
+
+ /** Replaces contents of an entire mipmap level. Allocated storage must
+ exist. The image data is interpreted according to the storage format and
+ must have size matching the selected mipmap level. */
+ void image(unsigned level, const void *);
+
+ /** Replaces a cuboid-shaped region of the texture. Allocated storage must
+ exist. The image data is interpreted according to the storage format and
+ the region must be fully inside the texture. */
+ void sub_image(unsigned level, int x, int y, int z, unsigned wd, unsigned ht, unsigned dp, const void *);
+
+ /** Sets the texture's contents from an image. The image is treated as a
+ stack of square layers and its height must be divisible by its width. If
+ storage has not been allocated yet, it will be set to match the image.
+ Otherwise the image must be compatible with the existing storage. */