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56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "SDL_internal.h"
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#ifndef SDL_utils_h_
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#define SDL_utils_h_
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/* Common utility functions that aren't in the public API */
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/* Return the smallest power of 2 greater than or equal to 'x' */
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extern int SDL_powerof2(int x);
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extern void SDL_CalculateFraction(float x, int *numerator, int *denominator);
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extern SDL_bool SDL_endswith(const char *string, const char *suffix);
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typedef enum
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{
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SDL_OBJECT_TYPE_UNKNOWN,
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SDL_OBJECT_TYPE_WINDOW,
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SDL_OBJECT_TYPE_RENDERER,
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SDL_OBJECT_TYPE_TEXTURE,
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SDL_OBJECT_TYPE_JOYSTICK,
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SDL_OBJECT_TYPE_GAMEPAD,
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SDL_OBJECT_TYPE_HAPTIC,
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SDL_OBJECT_TYPE_SENSOR,
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SDL_OBJECT_TYPE_HIDAPI_DEVICE,
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SDL_OBJECT_TYPE_HIDAPI_JOYSTICK,
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} SDL_ObjectType;
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extern Uint32 SDL_GetNextObjectID(void);
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extern void SDL_SetObjectValid(void *object, SDL_ObjectType type, SDL_bool valid);
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extern SDL_bool SDL_ObjectValid(void *object, SDL_ObjectType type);
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extern void SDL_SetObjectsInvalid(void);
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#endif /* SDL_utils_h_ */
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