[mupen64plus-pandora.git] / source / mupen64plus-video-arachnoid / src / texture / ImageFormatSelector.h

/******************************************************************************
 * Arachnoid Graphics Plugin for Mupen64Plus
 * http://bitbucket.org/wahrhaft/mupen64plus-video-arachnoid/
 *
 * Copyright (C) 2007 Kristofer Karlsson, Rickard Niklasson
 *
 * This program 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.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *****************************************************************************/

#ifndef IMAGE_FORMAT_SELECTOR_H_
#define IMAGE_FORMAT_SELECTOR_H_

//Function pointer for image decoding
typedef unsigned int (*GetTexelFunc)( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette );

//Forward declarations
class CachedTexture;

//*****************************************************************************
//* ImageFormat
//! Struct used when diffining image formats and how to convert/decode/interperite them.
//*****************************************************************************
struct ImageFormat
{
    GetTexelFunc    Get16;
    unsigned int    glType16;
    int             glInternalFormat16;
    GetTexelFunc    Get32;
    unsigned int    glType32;
    int             glInternalFormat32;
    unsigned int    autoFormat, lineShift, maxTexels;
};

//*****************************************************************************
//* ImageFormatSelector
//! Class for selecting image format decoding functions depending on image format. 
//*****************************************************************************
class ImageFormatSelector
{
public:

    //Constructor / Destructor
    ImageFormatSelector();
    ~ImageFormatSelector();

    //Detect image format
    void detectImageFormat(CachedTexture* texture, unsigned int textureBitDepth, GetTexelFunc& getTexelFunc, unsigned int& internalFormat, int& imageType, unsigned int textureLUT);

public:

    //Static variables
    static ImageFormat imageFormats[4][5];    //!< Defines how to decode diffrent formats

};

#endif
Commit	Line	Data
22726e4d	1	/******************************************************************************
	2	* Arachnoid Graphics Plugin for Mupen64Plus
	3	* http://bitbucket.org/wahrhaft/mupen64plus-video-arachnoid/
	4	*
	5	* Copyright (C) 2007 Kristofer Karlsson, Rickard Niklasson
	6	*
	7	* This program is free software; you can redistribute it and/or
	8	* modify it under the terms of the GNU General Public License
	9	* as published by the Free Software Foundation; either version 2
	10	* of the License, or (at your option) any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
	20	*****************************************************************************/
	21
	22	#ifndef IMAGE_FORMAT_SELECTOR_H_
	23	#define IMAGE_FORMAT_SELECTOR_H_
	24
	25	//Function pointer for image decoding
	26	typedef unsigned int (GetTexelFunc)( unsigned long long src, unsigned short x, unsigned short i, unsigned char palette );
	27
	28	//Forward declarations
	29	class CachedTexture;
	30
	31	//*****************************************************************************
	32	//* ImageFormat
	33	//! Struct used when diffining image formats and how to convert/decode/interperite them.
	34	//*****************************************************************************
	35	struct ImageFormat
	36	{
	37	GetTexelFunc Get16;
	38	unsigned int glType16;
	39	int glInternalFormat16;
	40	GetTexelFunc Get32;
	41	unsigned int glType32;
	42	int glInternalFormat32;
	43	unsigned int autoFormat, lineShift, maxTexels;
	44	};
	45
	46	//*****************************************************************************
	47	//* ImageFormatSelector
	48	//! Class for selecting image format decoding functions depending on image format.
	49	//*****************************************************************************
	50	class ImageFormatSelector
	51	{
	52	public:
	53
	54	//Constructor / Destructor
	55	ImageFormatSelector();
	56	~ImageFormatSelector();
	57
	58	//Detect image format
	59	void detectImageFormat(CachedTexture* texture, unsigned int textureBitDepth, GetTexelFunc& getTexelFunc, unsigned int& internalFormat, int& imageType, unsigned int textureLUT);
	60
	61	public:
	62
	63	//Static variables
	64	static ImageFormat imageFormats[4][5]; //!< Defines how to decode diffrent formats
65
66	};
67
68	#endif