[mupen64plus-pandora.git] / source / gles2glide64 / src / GlideHQ / TextureFilters_2xsai.cpp

/*
 * Texture Filtering
 * Version:  1.0
 *
 * Copyright (C) 2007  Hiroshi Morii   All Rights Reserved.
 * Email koolsmoky(at)users.sourceforge.net
 * Web   http://www.3dfxzone.it/koolsmoky
 *
 * this 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, or (at your option)
 * any later version.
 *
 * this 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 GNU Make; see the file COPYING.  If not, write to
 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 */

/* Based on Derek Liauw Kie Fa and Rice1964 Super2xSaI code */

#include "TextureFilters.h"

#define GET_RESULT(A, B, C, D) ((A != C || A != D) - (B != C || B != D))

void Super2xSaI_8888(uint32 *srcPtr, uint32 *destPtr, uint32 width, uint32 height, uint32 pitch)
{
#define SAI_INTERPOLATE_8888(A, B) ((A & 0xFEFEFEFE) >> 1) + ((B & 0xFEFEFEFE) >> 1) + (A & B & 0x01010101)
#define SAI_Q_INTERPOLATE_8888(A, B, C, D) ((A & 0xFCFCFCFC) >> 2) + ((B & 0xFCFCFCFC) >> 2) + ((C & 0xFCFCFCFC) >> 2) + ((D & 0xFCFCFCFC) >> 2) \
  + ((((A & 0x03030303) + (B & 0x03030303) + (C & 0x03030303) + (D & 0x03030303)) >> 2) & 0x03030303)

#define SAI_INTERPOLATE SAI_INTERPOLATE_8888
#define SAI_Q_INTERPOLATE SAI_Q_INTERPOLATE_8888

  uint32 destWidth = width << 1;
  
  uint32 color4, color5, color6;
  uint32 color1, color2, color3;
  uint32 colorA0, colorA1, colorA2, colorA3;
  uint32 colorB0, colorB1, colorB2, colorB3;
  uint32 colorS1, colorS2;
  uint32 product1a, product1b, product2a, product2b;

#include "TextureFilters_2xsai.h"

#undef SAI_INTERPOLATE
#undef SAI_Q_INTERPOLATE
}

#if !_16BPP_HACK
void Super2xSaI_4444(uint16 *srcPtr, uint16 *destPtr, uint32 width, uint32 height, uint32 pitch)
{
#define SAI_INTERPOLATE_4444(A, B) ((A & 0xEEEE) >> 1) + ((B & 0xEEEE) >> 1) + (A & B & 0x1111)
#define SAI_Q_INTERPOLATE_4444(A, B, C, D) ((A & 0xCCCC) >> 2) + ((B & 0xCCCC) >> 2) + ((C & 0xCCCC) >> 2) + ((D & 0xCCCC) >> 2) \
  + ((((A & 0x3333) + (B & 0x3333) + (C & 0x3333) + (D & 0x3333)) >> 2) & 0x3333)

#define SAI_INTERPOLATE SAI_INTERPOLATE_4444
#define SAI_Q_INTERPOLATE SAI_Q_INTERPOLATE_4444

  uint32 destWidth = width << 1;
  uint32 destHeight = height << 1;

  uint16 color4, color5, color6;
  uint16 color1, color2, color3;
  uint16 colorA0, colorA1, colorA2, colorA3;
  uint16 colorB0, colorB1, colorB2, colorB3;
  uint16 colorS1, colorS2;
  uint16 product1a, product1b, product2a, product2b;

#include "TextureFilters_2xsai.h"

#undef SAI_INTERPOLATE
#undef SAI_Q_INTERPOLATE
}

void Super2xSaI_1555(uint16 *srcPtr, uint16 *destPtr, uint32 width, uint32 height, uint32 pitch)
{
#define SAI_INTERPOLATE_1555(A, B) ((A & 0x7BDE) >> 1) + ((B & 0x7BDE) >> 1) + (A & B & 0x8421)
#define SAI_Q_INTERPOLATE_1555(A, B, C, D) ((A & 0x739C) >> 2) + ((B & 0x739C) >> 2) + ((C & 0x739C) >> 2) + ((D & 0x739C) >> 2) \
  + ((((A & 0x8C63) + (B & 0x8C63) + (C & 0x8C63) + (D & 0x8C63)) >> 2) & 0x8C63)

#define SAI_INTERPOLATE SAI_INTERPOLATE_1555
#define SAI_Q_INTERPOLATE SAI_Q_INTERPOLATE_1555

  uint32 destWidth = width << 1;
  uint32 destHeight = height << 1;

  uint16 color4, color5, color6;
  uint16 color1, color2, color3;
  uint16 colorA0, colorA1, colorA2, colorA3;
  uint16 colorB0, colorB1, colorB2, colorB3;
  uint16 colorS1, colorS2;
  uint16 product1a, product1b, product2a, product2b;

#include "TextureFilters_2xsai.h"

#undef SAI_INTERPOLATE
#undef SAI_Q_INTERPOLATE
}

void Super2xSaI_565(uint16 *srcPtr, uint16 *destPtr, uint32 width, uint32 height, uint32 pitch)
{
#define SAI_INTERPOLATE_565(A, B) ((A & 0xF7DE) >> 1) + ((B & 0xF7DE) >> 1) + (A & B & 0x0821)
#define SAI_Q_INTERPOLATE_565(A, B, C, D) ((A & 0xE79C) >> 2) + ((B & 0xE79C) >> 2) + ((C & 0xE79C) >> 2) + ((D & 0xE79C) >> 2) \
  + ((((A & 0x1863) + (B & 0x1863) + (C & 0x1863) + (D & 0x1863)) >> 2) & 0x1863)

#define SAI_INTERPOLATE SAI_INTERPOLATE_565
#define SAI_Q_INTERPOLATE SAI_Q_INTERPOLATE_565

  uint32 destWidth = width << 1;
  uint32 destHeight = height << 1;

  uint16 color4, color5, color6;
  uint16 color1, color2, color3;
  uint16 colorA0, colorA1, colorA2, colorA3;
  uint16 colorB0, colorB1, colorB2, colorB3;
  uint16 colorS1, colorS2;
  uint16 product1a, product1b, product2a, product2b;

#include "TextureFilters_2xsai.h"

#undef SAI_INTERPOLATE
#undef SAI_Q_INTERPOLATE
}

void Super2xSaI_8(uint8 *srcPtr, uint8 *destPtr, uint32 width, uint32 height, uint32 pitch)
{
#define SAI_INTERPOLATE_8(A, B) ((A & 0xFE) >> 1) + ((B & 0xFE) >> 1) + (A & B & 0x01)
#define SAI_Q_INTERPOLATE_8(A, B, C, D) ((A & 0xFC) >> 2) + ((B & 0xFC) >> 2) + ((C & 0xFC) >> 2) + ((D & 0xFC) >> 2) \
  + ((((A & 0x03) + (B & 0x03) + (C & 0x03) + (D & 0x03)) >> 2) & 0x03)

#define SAI_INTERPOLATE SAI_INTERPOLATE_8
#define SAI_Q_INTERPOLATE SAI_Q_INTERPOLATE_8

  uint32 destWidth = width << 1;
  uint32 destHeight = height << 1;

  uint8 color4, color5, color6;
  uint8 color1, color2, color3;
  uint8 colorA0, colorA1, colorA2, colorA3;
  uint8 colorB0, colorB1, colorB2, colorB3;
  uint8 colorS1, colorS2;
  uint8 product1a, product1b, product2a, product2b;

#include "TextureFilters_2xsai.h"

#undef SAI_INTERPOLATE
#undef SAI_Q_INTERPOLATE
}
#endif /* !_16BPP_HACK */
Commit	Line	Data
98e75f2d	1	/*
	2	* Texture Filtering
	3	* Version: 1.0
	4	*
	5	* Copyright (C) 2007 Hiroshi Morii All Rights Reserved.
	6	* Email koolsmoky(at)users.sourceforge.net
	7	* Web http://www.3dfxzone.it/koolsmoky
	8	*
	9	* this is free software; you can redistribute it and/or modify
	10	* it under the terms of the GNU General Public License as published by
	11	* the Free Software Foundation; either version 2, or (at your option)
	12	* any later version.
	13	*
	14	* this is distributed in the hope that it will be useful,
	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	* GNU General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License
	20	* along with GNU Make; see the file COPYING. If not, write to
	21	* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
	22	*/
	23
	24	/* Based on Derek Liauw Kie Fa and Rice1964 Super2xSaI code */
	25
	26	#include "TextureFilters.h"
	27
	28	#define GET_RESULT(A, B, C, D) ((A != C \|\| A != D) - (B != C \|\| B != D))
	29
	30	void Super2xSaI_8888(uint32 srcPtr, uint32 destPtr, uint32 width, uint32 height, uint32 pitch)
	31	{
	32	#define SAI_INTERPOLATE_8888(A, B) ((A & 0xFEFEFEFE) >> 1) + ((B & 0xFEFEFEFE) >> 1) + (A & B & 0x01010101)
	33	#define SAI_Q_INTERPOLATE_8888(A, B, C, D) ((A & 0xFCFCFCFC) >> 2) + ((B & 0xFCFCFCFC) >> 2) + ((C & 0xFCFCFCFC) >> 2) + ((D & 0xFCFCFCFC) >> 2) \
	34	+ ((((A & 0x03030303) + (B & 0x03030303) + (C & 0x03030303) + (D & 0x03030303)) >> 2) & 0x03030303)
	35
	36	#define SAI_INTERPOLATE SAI_INTERPOLATE_8888
	37	#define SAI_Q_INTERPOLATE SAI_Q_INTERPOLATE_8888
	38
	39	uint32 destWidth = width << 1;
	40
	41	uint32 color4, color5, color6;
	42	uint32 color1, color2, color3;
	43	uint32 colorA0, colorA1, colorA2, colorA3;
	44	uint32 colorB0, colorB1, colorB2, colorB3;
	45	uint32 colorS1, colorS2;
	46	uint32 product1a, product1b, product2a, product2b;
	47
	48	#include "TextureFilters_2xsai.h"
	49
	50	#undef SAI_INTERPOLATE
	51	#undef SAI_Q_INTERPOLATE
	52	}
	53
	54	#if !_16BPP_HACK
	55	void Super2xSaI_4444(uint16 srcPtr, uint16 destPtr, uint32 width, uint32 height, uint32 pitch)
	56	{
	57	#define SAI_INTERPOLATE_4444(A, B) ((A & 0xEEEE) >> 1) + ((B & 0xEEEE) >> 1) + (A & B & 0x1111)
	58	#define SAI_Q_INTERPOLATE_4444(A, B, C, D) ((A & 0xCCCC) >> 2) + ((B & 0xCCCC) >> 2) + ((C & 0xCCCC) >> 2) + ((D & 0xCCCC) >> 2) \
	59	+ ((((A & 0x3333) + (B & 0x3333) + (C & 0x3333) + (D & 0x3333)) >> 2) & 0x3333)
	60
	61	#define SAI_INTERPOLATE SAI_INTERPOLATE_4444
	62	#define SAI_Q_INTERPOLATE SAI_Q_INTERPOLATE_4444
	63
	64	uint32 destWidth = width << 1;
65	uint32 destHeight = height << 1;
66
67	uint16 color4, color5, color6;
68	uint16 color1, color2, color3;
69	uint16 colorA0, colorA1, colorA2, colorA3;
70	uint16 colorB0, colorB1, colorB2, colorB3;
71	uint16 colorS1, colorS2;
72	uint16 product1a, product1b, product2a, product2b;
73
74	#include "TextureFilters_2xsai.h"
75
76	#undef SAI_INTERPOLATE
77	#undef SAI_Q_INTERPOLATE
78	}
79
80	void Super2xSaI_1555(uint16 srcPtr, uint16 destPtr, uint32 width, uint32 height, uint32 pitch)
81	{
82	#define SAI_INTERPOLATE_1555(A, B) ((A & 0x7BDE) >> 1) + ((B & 0x7BDE) >> 1) + (A & B & 0x8421)
83	#define SAI_Q_INTERPOLATE_1555(A, B, C, D) ((A & 0x739C) >> 2) + ((B & 0x739C) >> 2) + ((C & 0x739C) >> 2) + ((D & 0x739C) >> 2) \
84	+ ((((A & 0x8C63) + (B & 0x8C63) + (C & 0x8C63) + (D & 0x8C63)) >> 2) & 0x8C63)
85
86	#define SAI_INTERPOLATE SAI_INTERPOLATE_1555
87	#define SAI_Q_INTERPOLATE SAI_Q_INTERPOLATE_1555
88
89	uint32 destWidth = width << 1;
90	uint32 destHeight = height << 1;
91
92	uint16 color4, color5, color6;
93	uint16 color1, color2, color3;
94	uint16 colorA0, colorA1, colorA2, colorA3;
95	uint16 colorB0, colorB1, colorB2, colorB3;
96	uint16 colorS1, colorS2;
97	uint16 product1a, product1b, product2a, product2b;
98
99	#include "TextureFilters_2xsai.h"
100
101	#undef SAI_INTERPOLATE
102	#undef SAI_Q_INTERPOLATE
103	}
104
105	void Super2xSaI_565(uint16 srcPtr, uint16 destPtr, uint32 width, uint32 height, uint32 pitch)
106	{
107	#define SAI_INTERPOLATE_565(A, B) ((A & 0xF7DE) >> 1) + ((B & 0xF7DE) >> 1) + (A & B & 0x0821)
108	#define SAI_Q_INTERPOLATE_565(A, B, C, D) ((A & 0xE79C) >> 2) + ((B & 0xE79C) >> 2) + ((C & 0xE79C) >> 2) + ((D & 0xE79C) >> 2) \
109	+ ((((A & 0x1863) + (B & 0x1863) + (C & 0x1863) + (D & 0x1863)) >> 2) & 0x1863)
110
111	#define SAI_INTERPOLATE SAI_INTERPOLATE_565
112	#define SAI_Q_INTERPOLATE SAI_Q_INTERPOLATE_565
113
114	uint32 destWidth = width << 1;
115	uint32 destHeight = height << 1;
116
117	uint16 color4, color5, color6;
118	uint16 color1, color2, color3;
119	uint16 colorA0, colorA1, colorA2, colorA3;
120	uint16 colorB0, colorB1, colorB2, colorB3;
121	uint16 colorS1, colorS2;
122	uint16 product1a, product1b, product2a, product2b;
123
124	#include "TextureFilters_2xsai.h"
125
126	#undef SAI_INTERPOLATE
127	#undef SAI_Q_INTERPOLATE
128	}
129
130	void Super2xSaI_8(uint8 srcPtr, uint8 destPtr, uint32 width, uint32 height, uint32 pitch)
131	{
132	#define SAI_INTERPOLATE_8(A, B) ((A & 0xFE) >> 1) + ((B & 0xFE) >> 1) + (A & B & 0x01)
133	#define SAI_Q_INTERPOLATE_8(A, B, C, D) ((A & 0xFC) >> 2) + ((B & 0xFC) >> 2) + ((C & 0xFC) >> 2) + ((D & 0xFC) >> 2) \
134	+ ((((A & 0x03) + (B & 0x03) + (C & 0x03) + (D & 0x03)) >> 2) & 0x03)
135
136	#define SAI_INTERPOLATE SAI_INTERPOLATE_8
137	#define SAI_Q_INTERPOLATE SAI_Q_INTERPOLATE_8
138
139	uint32 destWidth = width << 1;
140	uint32 destHeight = height << 1;
141
142	uint8 color4, color5, color6;
143	uint8 color1, color2, color3;
144	uint8 colorA0, colorA1, colorA2, colorA3;
145	uint8 colorB0, colorB1, colorB2, colorB3;
146	uint8 colorS1, colorS2;
147	uint8 product1a, product1b, product2a, product2b;
148
149	#include "TextureFilters_2xsai.h"
150
151	#undef SAI_INTERPOLATE
152	#undef SAI_Q_INTERPOLATE
153	}
154	#endif /* !_16BPP_HACK */