This represents a color grading texture. This acts as a lookup table LUT, useful during post process It can help converting any input color in a desired output one. This can then be used to create effects from sepia, black and white to sixties or futuristic rendering...
The only supported format is currently 3dl. More information on LUT: https://en.wikipedia.org/wiki/3D_lookup_table
Define the list of animation attached to the texture.
With compliant hardware and browser (supporting anisotropic filtering) this defines the level of anisotropic filtering in the texture. The higher the better but the slower. This defaults to 4 as it seems to be the best tradeoff.
Get if the texture can rescale.
Define the UV chanel to use starting from 0 and defaulting to 0. This is part of the texture as textures usually maps to one uv set.
How a texture is mapped.
Define the current state of the loading sequence when in delayed load mode.
Define if the texture contains data in gamma space (most of the png/jpg aside bump). HDR texture are usually stored in linear space. This only impacts the PBR and Background materials
Defines if the alpha value should be determined via the rgb values. If true the luminance of the pixel might be used to find the corresponding alpha value.
Define if the texture is having a usable alpha value (can be use for transparency or glossiness for instance).
Is Z inverted in the texture (useful in a cube texture).
Define if the texture is a 3d texture (webgl 2) or if false a 2d texture.
Define if the texture is preventinga material to render or not. If not and the texture is not ready, the engine will use a default black texture instead.
Define if the texture is a cube texture or if false a 2d texture.
Gets whether or not the texture contains RGBD data.
Define if the texture is a render target.
Intensity or strength of the texture. It is commonly used by materials to fine tune the intensity of the texture
With prefiltered texture, defined the offset used during the prefiltering steps.
With prefiltered texture, defined the scale used during the prefiltering steps.
Define the name of the texture.
Callback triggered when the texture has been disposed. Kept for back compatibility, you can use the onDisposeObservable instead.
An event triggered when the texture is disposed.
Get the polynomial representation of the texture data. This is mainly use as a fast way to recover IBL Diffuse irradiance data.
Get the texture underlying format (RGB, RGBA...)
Get the texture underlying type (INT, FLOAT...)
Define the unique id of the texture in the scene.
The texture URL.
Default anisotropic filtering level for the application. It is set to 4 as a good tradeoff between perf and quality.
Clones the color gradind texture.
Called during delayed load for textures.
Dispose the texture and release its associated resources.
Get the base size of the texture. It can be different from the size if the texture has been resized for POT for instance
the base size
Get the class name of the texture.
Get the texture reflection matrix used to rotate/transform the reflection.
the reflection matrix
Get the size of the texture.
the texture size.
Returns the texture matrix used in most of the material. This is not used in color grading but keep for troubleshooting purpose (easily swap diffuse by colorgrading to look in).
Get if the texture is ready to be used (downloaded, converted, mip mapped...).
true if fully ready
Get if the texture is ready to be consumed (either it is ready or it is not blocking)
true if ready or not blocking
Reads the pixels stored in the webgl texture and returns them as an ArrayBuffer. This will returns an RGBA array buffer containing either in values (0-255) or float values (0-1) depending of the underlying buffer type.
defines the face of the texture to read (in case of cube texture)
defines the LOD level of the texture to read (in case of Mip Maps)
defines a user defined buffer to fill with data (can be null)
The Array buffer containing the pixels data.
Release and destroy the underlying lower level texture aka internalTexture.
Scales the texture if is
the resize factor we want to use to rescale
Serializes the LUT texture to json format.
Return a string representation of the texture.
the texture as a string
Helper function to be called back once a list of texture contains only ready textures.
Define the list of textures to wait for
Define the callback triggered once the entire list will be ready
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