# Crok_instagram_GL

This shader gives you the typical Instagram looks.

### INPUT(S)
* Source : Connect the image you want to apply the effect onto. (RGBA)
* Mask : Connect an image to apply the effect in a specific portion of the image. (RGBA)

### HOW TO USE IT

#### Overall

* Look :
  - None
  - 1977
  - Apollo
  - Brannan
  - Early Birds
  - Gotham
  - Hefe
  - Inkwell
  - Lily
  - Lomo-Fi
  - Lord Kelvin
  - Nashville
  - Poprocket
  - Sutro
  - Walden
  - X-Pro II

* Saturation : Overall saturation.
* Contrast : Overall Contrast.
* Gamma : Overall gamma.

#### Slope

* Red : Red slope.
* Green : Green slope
* Blue : Blue slope.

#### Offset

* Red : Red offset.
* Green : Green offset
* Blue : Blue offset.

#### Power

* Red : Red value multiplicator.
* Green : Green value multiplicator.
* Blue : Blue value multiplicator.

#### Options

* Source is premultiplied : Checked if source image is premultiplied.

#### Mask

* Use mask : Use mask input.
* Invert mask : Invert mask input.
* Channel : Channel used as mask.

#### Mix

* Mix : Mix result with original image.

### OUTPUT
* RGBA