SDL_SetRenderColorScale3
Set the color scale used for render operations.
Usage
#include "SDL3/SDL.h"
bool SDL_SetRenderColorScale(SDL_Renderer *renderer, float scale);
Header file
Defined in SDL3/SDL_render.h
Overview
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 true on success or false on failure; call
SDL_GetError () for more information.
Thread safety
This function should only be called on the main thread.