---
name: "SDL_MatrixCoefficients"
section: "3type"
platform: "linux"
package: "libsdl3-doc"
version: "3.2.10+ds-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/SDL_MatrixCoefficients"
---

# SDL\_MatrixCoefficients(3type)

Colorspace matrix coefficients.

## NAME

SDL\_MatrixCoefficients - Colorspace matrix coefficients.

## HEADER FILE

Defined in SDL3/SDL\_pixels.h

## SYNOPSIS

```
#include "SDL3/SDL.h"
```

**typedef enum SDL\_MatrixCoefficients** **{**     **SDL\_MATRIX\_COEFFICIENTS\_IDENTITY = 0,**     **SDL\_MATRIX\_COEFFICIENTS\_BT709 = 1,              /\*\*\< ITU-R BT.709-6 \*/**     **SDL\_MATRIX\_COEFFICIENTS\_UNSPECIFIED = 2,**     **SDL\_MATRIX\_COEFFICIENTS\_FCC = 4,                /\*\*\< US FCC Title 47 \*/**     **SDL\_MATRIX\_COEFFICIENTS\_BT470BG = 5,            /\*\*\< ITU-R BT.470-6 System B, G / ITU-R BT.601-7 625, functionally the same as SDL\_MATRIX\_COEFFICIENTS\_BT601 \*/**     **SDL\_MATRIX\_COEFFICIENTS\_BT601 = 6,              /\*\*\< ITU-R BT.601-7 525 \*/**     **SDL\_MATRIX\_COEFFICIENTS\_SMPTE240 = 7,           /\*\*\< SMPTE 240M \*/**     **SDL\_MATRIX\_COEFFICIENTS\_YCGCO = 8,**     **SDL\_MATRIX\_COEFFICIENTS\_BT2020\_NCL = 9,         /\*\*\< ITU-R BT.2020-2 non-constant luminance \*/**     **SDL\_MATRIX\_COEFFICIENTS\_BT2020\_CL = 10,         /\*\*\< ITU-R BT.2020-2 constant luminance \*/**     **SDL\_MATRIX\_COEFFICIENTS\_SMPTE2085 = 11,         /\*\*\< SMPTE ST 2085 \*/**     **SDL\_MATRIX\_COEFFICIENTS\_CHROMA\_DERIVED\_NCL = 12,**     **SDL\_MATRIX\_COEFFICIENTS\_CHROMA\_DERIVED\_CL = 13,**     **SDL\_MATRIX\_COEFFICIENTS\_ICTCP = 14,             /\*\*\< ITU-R BT.2100-0 ICTCP \*/**     **SDL\_MATRIX\_COEFFICIENTS\_CUSTOM = 31** **} SDL\_MatrixCoefficients;**

## DESCRIPTION

These are as described by https://www.itu.int/rec/T-REC-H.273-201612-S/en

## AVAILABILITY

This enum is available since SDL 3.2.0.