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Added HDR display properties and related event

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Also added an HDR calibration stage to testcolorspace
This commit is contained in:
Sam Lantinga 2024-02-06 01:53:03 -08:00
parent d4caef5b89
commit 30e176d6ba
11 changed files with 510 additions and 57 deletions
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8
include/SDL3/SDL_video.h
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@ -353,6 +353,11 @@ extern DECLSPEC SDL_DisplayID SDLCALL SDL_GetPrimaryDisplay(void);
/**
* Get the properties associated with a display.
*
* The following read-only properties are provided by SDL:
*
* - `SDL_PROP_DISPLAY_HDR_ENABLED_BOOLEAN`: true if the display has High Dynamic Range enabled
* - `SDL_PROP_DISPLAY_SDR_WHITE_LEVEL_FLOAT`: the luminance, in nits, that SDR white is rendered on this display. If this value is not set or is zero, the value 200 is a reasonable default when HDR is enabled.
*
* \param displayID the instance ID of the display to query
* \returns a valid property ID on success or 0 on failure; call
* SDL_GetError() for more information.
@ -364,6 +369,9 @@ extern DECLSPEC SDL_DisplayID SDLCALL SDL_GetPrimaryDisplay(void);
*/
extern DECLSPEC SDL_PropertiesID SDLCALL SDL_GetDisplayProperties(SDL_DisplayID displayID);
#define SDL_PROP_DISPLAY_HDR_ENABLED_BOOLEAN "SDL.display.HDR_enabled"
#define SDL_PROP_DISPLAY_SDR_WHITE_LEVEL_FLOAT "SDL.display.SDR_white_level"
/**
* Get the name of a display in UTF-8 encoding.
*