mirror of https://github.com/encounter/SDL.git
125 lines
4.1 KiB
C
125 lines
4.1 KiB
C
/*
|
|
Simple DirectMedia Layer
|
|
Copyright (C) 1997-2021 Sam Lantinga <slouken@libsdl.org>
|
|
|
|
This software is provided 'as-is', without any express or implied
|
|
warranty. In no event will the authors be held liable for any damages
|
|
arising from the use of this software.
|
|
|
|
Permission is granted to anyone to use this software for any purpose,
|
|
including commercial applications, and to alter it and redistribute it
|
|
freely, subject to the following restrictions:
|
|
|
|
1. The origin of this software must not be misrepresented; you must not
|
|
claim that you wrote the original software. If you use this software
|
|
in a product, an acknowledgment in the product documentation would be
|
|
appreciated but is not required.
|
|
2. Altered source versions must be plainly marked as such, and must not be
|
|
misrepresented as being the original software.
|
|
3. This notice may not be removed or altered from any source distribution.
|
|
*/
|
|
#ifndef SDL_internal_h_
|
|
#define SDL_internal_h_
|
|
|
|
/* Many of SDL's features require _GNU_SOURCE on various platforms */
|
|
#ifndef _GNU_SOURCE
|
|
#define _GNU_SOURCE
|
|
#endif
|
|
|
|
/* This is for a variable-length array at the end of a struct:
|
|
struct x { int y; char z[SDL_VARIABLE_LENGTH_ARRAY]; };
|
|
Use this because GCC 2 needs different magic than other compilers. */
|
|
#if (defined(__GNUC__) && (__GNUC__ <= 2)) || defined(__CC_ARM) || defined(__cplusplus)
|
|
#define SDL_VARIABLE_LENGTH_ARRAY 1
|
|
#else
|
|
#define SDL_VARIABLE_LENGTH_ARRAY
|
|
#endif
|
|
|
|
#define SDL_MAX_SMALL_ALLOC_STACKSIZE 128
|
|
#define SDL_small_alloc(type, count, pisstack) ( (*(pisstack) = ((sizeof(type)*(count)) < SDL_MAX_SMALL_ALLOC_STACKSIZE)), (*(pisstack) ? SDL_stack_alloc(type, count) : (type*)SDL_malloc(sizeof(type)*(count))) )
|
|
#define SDL_small_free(ptr, isstack) if ((isstack)) { SDL_stack_free(ptr); } else { SDL_free(ptr); }
|
|
|
|
#include "dynapi/SDL_dynapi.h"
|
|
|
|
#if SDL_DYNAMIC_API
|
|
#include "dynapi/SDL_dynapi_overrides.h"
|
|
/* force DECLSPEC and SDLCALL off...it's all internal symbols now.
|
|
These will have actual #defines during SDL_dynapi.c only */
|
|
#define DECLSPEC
|
|
#define SDLCALL
|
|
#endif
|
|
|
|
#include "SDL_config.h"
|
|
|
|
/* A few #defines to reduce SDL2 footprint.
|
|
Only effective when library is statically linked.
|
|
You have to manually edit this file. */
|
|
#ifndef SDL_LEAN_AND_MEAN
|
|
#define SDL_LEAN_AND_MEAN 0
|
|
#endif
|
|
|
|
/* Optimized functions from 'SDL_blit_0.c'
|
|
- blit with source BitsPerPixel < 8, palette */
|
|
#ifndef SDL_HAVE_BLIT_0
|
|
#define SDL_HAVE_BLIT_0 !SDL_LEAN_AND_MEAN
|
|
#endif
|
|
|
|
/* Optimized functions from 'SDL_blit_1.c'
|
|
- blit with source BytesPerPixel == 1, palette */
|
|
#ifndef SDL_HAVE_BLIT_1
|
|
#define SDL_HAVE_BLIT_1 !SDL_LEAN_AND_MEAN
|
|
#endif
|
|
|
|
/* Optimized functions from 'SDL_blit_A.c'
|
|
- blit with 'SDL_BLENDMODE_BLEND' blending mode */
|
|
#ifndef SDL_HAVE_BLIT_A
|
|
#define SDL_HAVE_BLIT_A !SDL_LEAN_AND_MEAN
|
|
#endif
|
|
|
|
/* Optimized functions from 'SDL_blit_N.c'
|
|
- blit with COLORKEY mode, or nothing */
|
|
#ifndef SDL_HAVE_BLIT_N
|
|
#define SDL_HAVE_BLIT_N !SDL_LEAN_AND_MEAN
|
|
#endif
|
|
|
|
/* Optimized functions from 'SDL_blit_N.c'
|
|
- RGB565 conversion with Lookup tables */
|
|
#ifndef SDL_HAVE_BLIT_N_RGB565
|
|
#define SDL_HAVE_BLIT_N_RGB565 !SDL_LEAN_AND_MEAN
|
|
#endif
|
|
|
|
/* Optimized functions from 'SDL_blit_AUTO.c'
|
|
- blit with modulate color, modulate alpha, any blending mode
|
|
- scaling or not */
|
|
#ifndef SDL_HAVE_BLIT_AUTO
|
|
#define SDL_HAVE_BLIT_AUTO !SDL_LEAN_AND_MEAN
|
|
#endif
|
|
|
|
/* Run-Length-Encoding
|
|
- SDL_SetColorKey() called with SDL_RLEACCEL flag */
|
|
#ifndef SDL_HAVE_RLE
|
|
#define SDL_HAVE_RLE !SDL_LEAN_AND_MEAN
|
|
#endif
|
|
|
|
/* Software SDL_Renderer
|
|
- creation of software renderer
|
|
- *not* general blitting functions
|
|
- {blend,draw}{fillrect,line,point} internal functions */
|
|
#ifndef SDL_VIDEO_RENDER_SW
|
|
#define SDL_VIDEO_RENDER_SW !SDL_LEAN_AND_MEAN
|
|
#endif
|
|
|
|
/* YUV formats
|
|
- handling of YUV surfaces
|
|
- blitting and conversion functions */
|
|
#ifndef SDL_HAVE_YUV
|
|
#define SDL_HAVE_YUV !SDL_LEAN_AND_MEAN
|
|
#endif
|
|
|
|
#include "SDL_assert.h"
|
|
#include "SDL_log.h"
|
|
|
|
#endif /* SDL_internal_h_ */
|
|
|
|
/* vi: set ts=4 sw=4 expandtab: */
|