.\" This manpage content is licensed under Creative Commons .\" Attribution 4.0 International (CC BY 4.0) .\" https://creativecommons.org/licenses/by/4.0/ .\" This manpage was generated from SDL's wiki page for SDL_SetRenderColorScale: .\" https://wiki.libsdl.org/SDL_SetRenderColorScale .\" Generated with SDL/build-scripts/wikiheaders.pl .\" revision SDL-3.1.0 .\" Please report issues in this manpage's content at: .\" https://github.com/libsdl-org/sdlwiki/issues/new .\" Please report issues in the generation of this manpage from the wiki at: .\" https://github.com/libsdl-org/SDL/issues/new?title=Misgenerated%20manpage%20for%20SDL_SetRenderColorScale .\" SDL can be found at https://libsdl.org/ .de URL \$2 \(laURL: \$1 \(ra\$3 .. .if \n[.g] .mso www.tmac .TH SDL_SetRenderColorScale 3 "SDL 3.1.0" "SDL" "SDL3 FUNCTIONS" .SH NAME SDL_SetRenderColorScale \- Set the color scale used for render operations\[char46] .SH SYNOPSIS .nf .B #include \(dqSDL3/SDL.h\(dq .PP .BI "int SDL_SetRenderColorScale(SDL_Renderer *renderer, float scale); .fi .SH DESCRIPTION The color scale is an additional scale multiplied into the pixel color value while rendering\[char46] This can be used to adjust the brightness of colors during HDR rendering, or changing HDR video brightness when playing on an SDR display\[char46] The color scale does not affect the alpha channel, only the color brightness\[char46] .SH FUNCTION PARAMETERS .TP .I renderer the rendering context .TP .I scale the color scale value .SH RETURN VALUE Returns 0 on success or a negative error code on failure; call .BR SDL_GetError () for more information\[char46] .SH AVAILABILITY This function is available since SDL 3\[char46]0\[char46]0\[char46] .SH SEE ALSO .BR SDL_GetRenderColorScale (3)