xemu/hw/xbox/nv2a/pgraph/s3tc.h

45 lines
1.7 KiB
C

/*
* S3TC Texture Decompression
*
* Copyright (c) 2020 Wilhelm Kovatch
*
* 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.
*/
#ifndef HW_XBOX_NV2A_PGRAPH_S3TC_H
#define HW_XBOX_NV2A_PGRAPH_S3TC_H
#include <stdint.h>
enum S3TC_DECOMPRESS_FORMAT {
S3TC_DECOMPRESS_FORMAT_DXT1,
S3TC_DECOMPRESS_FORMAT_DXT3,
S3TC_DECOMPRESS_FORMAT_DXT5,
};
uint8_t *s3tc_decompress_3d(enum S3TC_DECOMPRESS_FORMAT color_format,
const uint8_t *data, unsigned int width,
unsigned int height, unsigned int depth);
uint8_t *s3tc_decompress_2d(enum S3TC_DECOMPRESS_FORMAT color_format,
const uint8_t *data, unsigned int width,
unsigned int height);
#endif