2009-04-18 19:00:33 +02:00
|
|
|
/* Copyright (C) 2009 Wildfire Games.
|
|
|
|
|
* This file is part of 0 A.D.
|
|
|
|
|
*
|
|
|
|
|
* 0 A.D. is free software: you can redistribute it and/or modify
|
|
|
|
|
* it under the terms of the GNU General Public License as published by
|
|
|
|
|
* the Free Software Foundation, either version 2 of the License, or
|
|
|
|
|
* (at your option) any later version.
|
|
|
|
|
*
|
|
|
|
|
* 0 A.D. is distributed in the hope that it will be useful,
|
|
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
|
|
* GNU General Public License for more details.
|
|
|
|
|
*
|
|
|
|
|
* You should have received a copy of the GNU General Public License
|
|
|
|
|
* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
|
*/
|
|
|
|
|
|
2009-04-18 19:51:05 +02:00
|
|
|
/*
|
|
|
|
|
* private texture loader helper functions
|
2009-04-18 18:14:48 +02:00
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#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
|
