61 lines
2.2 KiB
C
61 lines
2.2 KiB
C
/* Copyright (c) 2010 Wildfire Games
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining
|
|
* a copy of this software and associated documentation files (the
|
|
* "Software"), to deal in the Software without restriction, including
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
|
* distribute, sublicense, and/or sell copies of the Software, and to
|
|
* permit persons to whom the Software is furnished to do so, subject to
|
|
* the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included
|
|
* in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
|
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
|
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
|
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
|
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
/*
|
|
* private texture loader helper functions
|
|
*/
|
|
|
|
#ifndef INCLUDED_TEX_INTERNAL
|
|
#define INCLUDED_TEX_INTERNAL
|
|
|
|
#include "lib/allocators/dynarray.h"
|
|
#include "lib/file/io/io.h" // io_Allocate
|
|
|
|
/**
|
|
* check if the given texture format is acceptable: 8bpp grey,
|
|
* 24bpp color or 32bpp color+alpha (BGR / upside down are permitted).
|
|
* basically, this is the "plain" format understood by all codecs and
|
|
* tex_codec_plain_transform.
|
|
* @param bpp bits per pixel
|
|
* @param flags TexFlags
|
|
* @return LibError
|
|
**/
|
|
extern LibError tex_validate_plain_format(size_t bpp, size_t flags);
|
|
|
|
|
|
/**
|
|
* indicate if the two vertical orientations match.
|
|
*
|
|
* used by tex_codec.
|
|
*
|
|
* @param src_flags TexFlags, used to extract the orientation.
|
|
* we ask for this instead of src_orientation so callers don't have to
|
|
* mask off TEX_ORIENTATION.
|
|
* @param dst_orientation orientation to compare against.
|
|
* can be one of TEX_BOTTOM_UP, TEX_TOP_DOWN, or 0 for the
|
|
* "global orientation".
|
|
* @return bool
|
|
**/
|
|
extern bool tex_orientations_match(size_t src_flags, size_t dst_orientation);
|
|
|
|
#endif // #ifndef INCLUDED_TEX_INTERNAL
|