NAME¶

SDL_SetRenderColorScale - Set the color scale used for render operations.

SYNOPSIS¶

#include "SDL3/SDL.h"

int SDL_SetRenderColorScale(SDL_Renderer *renderer, float scale);

DESCRIPTION¶

The color scale is an additional scale multiplied into the pixel color value while rendering. This can be used to adjust the brightness of colors during HDR rendering, or changing HDR video brightness when playing on an SDR display.

The color scale does not affect the alpha channel, only the color brightness.

FUNCTION PARAMETERS¶

renderer

the rendering context

scale

the color scale value

RETURN VALUE¶

Returns 0 on success or a negative error code on failure; call

SDL_GetError () for more information.

AVAILABILITY¶

This function is available since SDL 3.0.0.

SEE ALSO¶

SDL_GetRenderColorScale(3)