mirror of https://github.com/encounter/SDL.git
129 lines
4.3 KiB
C
129 lines
4.3 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2022 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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#ifndef SDL_internal_h_
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#define SDL_internal_h_
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/* Many of SDL's features require _GNU_SOURCE on various platforms */
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#ifndef _GNU_SOURCE
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#define _GNU_SOURCE
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#endif
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/* This is for a variable-length array at the end of a struct:
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struct x { int y; char z[SDL_VARIABLE_LENGTH_ARRAY]; };
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Use this because GCC 2 needs different magic than other compilers. */
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#if (defined(__GNUC__) && (__GNUC__ <= 2)) || defined(__CC_ARM) || defined(__cplusplus)
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#define SDL_VARIABLE_LENGTH_ARRAY 1
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#else
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#define SDL_VARIABLE_LENGTH_ARRAY
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#endif
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#define SDL_MAX_SMALL_ALLOC_STACKSIZE 128
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#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))) )
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#define SDL_small_free(ptr, isstack) if ((isstack)) { SDL_stack_free(ptr); } else { SDL_free(ptr); }
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#include "dynapi/SDL_dynapi.h"
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#if SDL_DYNAMIC_API
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#include "dynapi/SDL_dynapi_overrides.h"
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/* force DECLSPEC off...it's all internal symbols now.
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These will have actual #defines during SDL_dynapi.c only */
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#define DECLSPEC
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#endif
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#include "SDL_config.h"
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/* If you run into a warning that O_CLOEXEC is redefined, update the SDL configuration header for your platform to add HAVE_O_CLOEXEC */
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#ifndef HAVE_O_CLOEXEC
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#define O_CLOEXEC 0
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#endif
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/* A few #defines to reduce SDL2 footprint.
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Only effective when library is statically linked.
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You have to manually edit this file. */
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#ifndef SDL_LEAN_AND_MEAN
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#define SDL_LEAN_AND_MEAN 0
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#endif
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/* Optimized functions from 'SDL_blit_0.c'
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- blit with source BitsPerPixel < 8, palette */
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#ifndef SDL_HAVE_BLIT_0
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#define SDL_HAVE_BLIT_0 !SDL_LEAN_AND_MEAN
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#endif
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/* Optimized functions from 'SDL_blit_1.c'
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- blit with source BytesPerPixel == 1, palette */
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#ifndef SDL_HAVE_BLIT_1
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#define SDL_HAVE_BLIT_1 !SDL_LEAN_AND_MEAN
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#endif
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/* Optimized functions from 'SDL_blit_A.c'
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- blit with 'SDL_BLENDMODE_BLEND' blending mode */
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#ifndef SDL_HAVE_BLIT_A
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#define SDL_HAVE_BLIT_A !SDL_LEAN_AND_MEAN
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#endif
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/* Optimized functions from 'SDL_blit_N.c'
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- blit with COLORKEY mode, or nothing */
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#ifndef SDL_HAVE_BLIT_N
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#define SDL_HAVE_BLIT_N !SDL_LEAN_AND_MEAN
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#endif
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/* Optimized functions from 'SDL_blit_N.c'
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- RGB565 conversion with Lookup tables */
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#ifndef SDL_HAVE_BLIT_N_RGB565
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#define SDL_HAVE_BLIT_N_RGB565 !SDL_LEAN_AND_MEAN
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#endif
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/* Optimized functions from 'SDL_blit_AUTO.c'
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- blit with modulate color, modulate alpha, any blending mode
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- scaling or not */
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#ifndef SDL_HAVE_BLIT_AUTO
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#define SDL_HAVE_BLIT_AUTO !SDL_LEAN_AND_MEAN
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#endif
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/* Run-Length-Encoding
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- SDL_SetColorKey() called with SDL_RLEACCEL flag */
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#ifndef SDL_HAVE_RLE
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#define SDL_HAVE_RLE !SDL_LEAN_AND_MEAN
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#endif
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/* Software SDL_Renderer
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- creation of software renderer
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- *not* general blitting functions
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- {blend,draw}{fillrect,line,point} internal functions */
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#ifndef SDL_VIDEO_RENDER_SW
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#define SDL_VIDEO_RENDER_SW !SDL_LEAN_AND_MEAN
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#endif
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/* YUV formats
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- handling of YUV surfaces
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- blitting and conversion functions */
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#ifndef SDL_HAVE_YUV
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#define SDL_HAVE_YUV !SDL_LEAN_AND_MEAN
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#endif
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#include "SDL_assert.h"
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#include "SDL_log.h"
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#endif /* SDL_internal_h_ */
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/* vi: set ts=4 sw=4 expandtab: */
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