SDL_SetRenderColorScale - Man Page

#include <SDL3/SDL_render.h>

bool SDL_SetRenderColorScale(SDL_Renderer *renderer, float scale);

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.

renderer

the rendering context.

scale

the color scale value.

for more information.

This function should only be called on the main thread.

This function is available since SDL 3.2.0.

SDL_GetRenderColorScale(3)

SDL_GetRenderColorScale(3).