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- Committer: Bazaar Package Importer
- Author(s): Sven Eckelmann
- Date: 2011-01-22 11:05:28 UTC
- Revision ID: james.westby@ubuntu.com-20110122110528-k6z84gdespqqd9zp
Tags: upstream-1.99.4
Import upstream version 1.99.4
- files added:
- data
- projects
- projects/msvc8
- projects/unix
- src
- src/liblinux
added
removed
src/TextureFilters_hq2x.cpp
1
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Mupen64plus - TextureFilters_hq2x.cpp *
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* Mupen64Plus homepage: http://code.google.com/p/mupen64plus/ *
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* Copyright (C) 2003 MaxSt ( maxst@hiend3d.com ) *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#include "typedefs.h"
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/************************************************************************/
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/* hq2x filters */
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/************************************************************************/
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/***************************************************************************/
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/* Basic types */
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31
/***************************************************************************/
32
/* interpolation */
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static unsigned interp_bits_per_pixel;
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#define INTERP_16_MASK_1_3(v) ((v)&0x0F0F)
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#define INTERP_16_MASK_SHIFT_2_4(v) (((v)&0xF0F0)>>4)
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#define INTERP_16_MASK_SHIFTBACK_2_4(v) ((INTERP_16_MASK_1_3(v))<<4)
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static inline uint16 hq2x_interp_16_521(uint16 p1, uint16 p2, uint16 p3)
41
{
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return INTERP_16_MASK_1_3((INTERP_16_MASK_1_3(p1)*5 + INTERP_16_MASK_1_3(p2)*2 + INTERP_16_MASK_1_3(p3)*1) / 8)
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| INTERP_16_MASK_SHIFTBACK_2_4((INTERP_16_MASK_SHIFT_2_4(p1)*5 + INTERP_16_MASK_SHIFT_2_4(p2)*2 + INTERP_16_MASK_SHIFT_2_4(p3)*1) / 8);
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}
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static inline uint16 hq2x_interp_16_332(uint16 p1, uint16 p2, uint16 p3)
47
{
48
return INTERP_16_MASK_1_3((INTERP_16_MASK_1_3(p1)*3 + INTERP_16_MASK_1_3(p2)*3 + INTERP_16_MASK_1_3(p3)*2) / 8)
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| INTERP_16_MASK_SHIFTBACK_2_4((INTERP_16_MASK_SHIFT_2_4(p1)*3 + INTERP_16_MASK_SHIFT_2_4(p2)*3 + INTERP_16_MASK_SHIFT_2_4(p3)*2) / 8);
50
}
51
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static inline uint16 hq2x_interp_16_611(uint16 p1, uint16 p2, uint16 p3)
53
{
54
return INTERP_16_MASK_1_3((INTERP_16_MASK_1_3(p1)*6 + INTERP_16_MASK_1_3(p2) + INTERP_16_MASK_1_3(p3)) / 8)
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| INTERP_16_MASK_SHIFTBACK_2_4((INTERP_16_MASK_SHIFT_2_4(p1)*6 + INTERP_16_MASK_SHIFT_2_4(p2) + INTERP_16_MASK_SHIFT_2_4(p3)) / 8);
56
}
57
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static inline uint16 hq2x_interp_16_71(uint16 p1, uint16 p2)
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{
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return INTERP_16_MASK_1_3((INTERP_16_MASK_1_3(p1)*7 + INTERP_16_MASK_1_3(p2)) / 8)
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| INTERP_16_MASK_SHIFTBACK_2_4((INTERP_16_MASK_SHIFT_2_4(p1)*7 + INTERP_16_MASK_SHIFT_2_4(p2)) / 8);
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}
63
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static inline uint16 hq2x_interp_16_211(uint16 p1, uint16 p2, uint16 p3)
65
{
66
return INTERP_16_MASK_1_3((INTERP_16_MASK_1_3(p1)*2 + INTERP_16_MASK_1_3(p2) + INTERP_16_MASK_1_3(p3)) / 4)
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| INTERP_16_MASK_SHIFTBACK_2_4((INTERP_16_MASK_SHIFT_2_4(p1)*2 + INTERP_16_MASK_SHIFT_2_4(p2) + INTERP_16_MASK_SHIFT_2_4(p3)) / 4);
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}
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static inline uint16 hq2x_interp_16_772(uint16 p1, uint16 p2, uint16 p3)
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{
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return INTERP_16_MASK_1_3(((INTERP_16_MASK_1_3(p1) + INTERP_16_MASK_1_3(p2))*7 + INTERP_16_MASK_1_3(p3)*2) / 16)
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| INTERP_16_MASK_SHIFTBACK_2_4(((INTERP_16_MASK_SHIFT_2_4(p1) + INTERP_16_MASK_SHIFT_2_4(p2))*7 + INTERP_16_MASK_SHIFT_2_4(p3)*2) / 16);
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}
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static inline uint16 hq2x_interp_16_11(uint16 p1, uint16 p2)
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{
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return INTERP_16_MASK_1_3((INTERP_16_MASK_1_3(p1) + INTERP_16_MASK_1_3(p2)) / 2)
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| INTERP_16_MASK_SHIFTBACK_2_4((INTERP_16_MASK_SHIFT_2_4(p1) + INTERP_16_MASK_SHIFT_2_4(p2)) / 2);
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}
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static inline uint16 hq2x_interp_16_31(uint16 p1, uint16 p2)
83
{
84
return INTERP_16_MASK_1_3((INTERP_16_MASK_1_3(p1)*3 + INTERP_16_MASK_1_3(p2)) / 4)
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| INTERP_16_MASK_SHIFTBACK_2_4((INTERP_16_MASK_SHIFT_2_4(p1)*3 + INTERP_16_MASK_SHIFT_2_4(p2)) / 4);
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}
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static inline uint16 hq2x_interp_16_1411(uint16 p1, uint16 p2, uint16 p3)
89
{
90
return INTERP_16_MASK_1_3((INTERP_16_MASK_1_3(p1)*14 + INTERP_16_MASK_1_3(p2) + INTERP_16_MASK_1_3(p3)) / 16)
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| INTERP_16_MASK_SHIFTBACK_2_4((INTERP_16_MASK_SHIFT_2_4(p1)*14 + INTERP_16_MASK_SHIFT_2_4(p2) + INTERP_16_MASK_SHIFT_2_4(p3)) / 16);
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}
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static inline uint16 hq2x_interp_16_431(uint16 p1, uint16 p2, uint16 p3)
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{
96
return INTERP_16_MASK_1_3((INTERP_16_MASK_1_3(p1)*4 + INTERP_16_MASK_1_3(p2)*3 + INTERP_16_MASK_1_3(p3)) / 8)
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| INTERP_16_MASK_SHIFTBACK_2_4((INTERP_16_MASK_SHIFT_2_4(p1)*4 + INTERP_16_MASK_SHIFT_2_4(p2)*3 + INTERP_16_MASK_SHIFT_2_4(p3)) / 8);
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}
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static inline uint16 hq2x_interp_16_53(uint16 p1, uint16 p2)
101
{
102
return INTERP_16_MASK_1_3((INTERP_16_MASK_1_3(p1)*5 + INTERP_16_MASK_1_3(p2)*3) / 8)
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| INTERP_16_MASK_SHIFTBACK_2_4((INTERP_16_MASK_SHIFT_2_4(p1)*5 + INTERP_16_MASK_SHIFT_2_4(p2)*3) / 8);
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}
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106
static inline uint16 hq2x_interp_16_151(uint16 p1, uint16 p2)
107
{
108
return INTERP_16_MASK_1_3((INTERP_16_MASK_1_3(p1)*15 + INTERP_16_MASK_1_3(p2)) / 16)
109
| INTERP_16_MASK_SHIFTBACK_2_4((INTERP_16_MASK_SHIFT_2_4(p1)*15 + INTERP_16_MASK_SHIFT_2_4(p2)) / 16);
110
}
111
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static inline uint16 hq2x_interp_16_97(uint16 p1, uint16 p2)
113
{
114
return INTERP_16_MASK_1_3((INTERP_16_MASK_1_3(p1)*9 + INTERP_16_MASK_1_3(p2)*7) / 16)
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| INTERP_16_MASK_SHIFTBACK_2_4((INTERP_16_MASK_SHIFT_2_4(p1)*9 + INTERP_16_MASK_SHIFT_2_4(p2)*7) / 16);
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}
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#define INTERP_32_MASK_1_3(v) ((v)&0x00FF00FF)
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#define INTERP_32_MASK_SHIFT_2_4(v) (((v)&0xFF00FF00)>>8)
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#define INTERP_32_MASK_SHIFTBACK_2_4(v) (((INTERP_32_MASK_1_3(v))<<8))
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static inline uint32 hq2x_interp_32_521(uint32 p1, uint32 p2, uint32 p3)
123
{
124
return INTERP_32_MASK_1_3((INTERP_32_MASK_1_3(p1)*5 + INTERP_32_MASK_1_3(p2)*2 + INTERP_32_MASK_1_3(p3)*1) / 8)
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| INTERP_32_MASK_SHIFTBACK_2_4((INTERP_32_MASK_SHIFT_2_4(p1)*5 + INTERP_32_MASK_SHIFT_2_4(p2)*2 + INTERP_32_MASK_SHIFT_2_4(p3)*1) / 8);
126
}
127
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static inline uint32 hq2x_interp_32_332(uint32 p1, uint32 p2, uint32 p3)
129
{
130
return INTERP_32_MASK_1_3((INTERP_32_MASK_1_3(p1)*3 + INTERP_32_MASK_1_3(p2)*3 + INTERP_32_MASK_1_3(p3)*2) / 8)
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| INTERP_32_MASK_SHIFTBACK_2_4((INTERP_32_MASK_SHIFT_2_4(p1)*3 + INTERP_32_MASK_SHIFT_2_4(p2)*3 + INTERP_32_MASK_SHIFT_2_4(p3)*2) / 8);
132
}
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static inline uint32 hq2x_interp_32_211(uint32 p1, uint32 p2, uint32 p3)
135
{
136
return INTERP_32_MASK_1_3((INTERP_32_MASK_1_3(p1)*2 + INTERP_32_MASK_1_3(p2) + INTERP_32_MASK_1_3(p3)) / 4)
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| INTERP_32_MASK_SHIFTBACK_2_4((INTERP_32_MASK_SHIFT_2_4(p1)*2 + INTERP_32_MASK_SHIFT_2_4(p2) + INTERP_32_MASK_SHIFT_2_4(p3)) / 4);
138
}
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static inline uint32 hq2x_interp_32_611(uint32 p1, uint32 p2, uint32 p3)
141
{
142
return INTERP_32_MASK_1_3((INTERP_32_MASK_1_3(p1)*6 + INTERP_32_MASK_1_3(p2) + INTERP_32_MASK_1_3(p3)) / 8)
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| INTERP_32_MASK_SHIFTBACK_2_4((INTERP_32_MASK_SHIFT_2_4(p1)*6 + INTERP_32_MASK_SHIFT_2_4(p2) + INTERP_32_MASK_SHIFT_2_4(p3)) / 8);
144
}
145
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static inline uint32 hq2x_interp_32_71(uint32 p1, uint32 p2)
147
{
148
return INTERP_32_MASK_1_3((INTERP_32_MASK_1_3(p1)*7 + INTERP_32_MASK_1_3(p2)) / 8)
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| INTERP_32_MASK_SHIFTBACK_2_4((INTERP_32_MASK_SHIFT_2_4(p1)*7 + INTERP_32_MASK_SHIFT_2_4(p2)) / 8);
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}
151
152
static inline uint32 hq2x_interp_32_772(uint32 p1, uint32 p2, uint32 p3)
153
{
154
return INTERP_32_MASK_1_3(((INTERP_32_MASK_1_3(p1) + INTERP_32_MASK_1_3(p2))*7 + INTERP_32_MASK_1_3(p3)*2) / 16)
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| INTERP_32_MASK_SHIFTBACK_2_4(((INTERP_32_MASK_SHIFT_2_4(p1) + INTERP_32_MASK_SHIFT_2_4(p2))*7 + INTERP_32_MASK_SHIFT_2_4(p3)*2) / 16);
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}
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static inline uint32 hq2x_interp_32_11(uint32 p1, uint32 p2)
159
{
160
return INTERP_32_MASK_1_3((INTERP_32_MASK_1_3(p1) + INTERP_32_MASK_1_3(p2)) / 2)
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| INTERP_32_MASK_SHIFTBACK_2_4((INTERP_32_MASK_SHIFT_2_4(p1) + INTERP_32_MASK_SHIFT_2_4(p2)) / 2);
162
}
163
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static inline uint32 hq2x_interp_32_31(uint32 p1, uint32 p2)
165
{
166
return INTERP_32_MASK_1_3((INTERP_32_MASK_1_3(p1)*3 + INTERP_32_MASK_1_3(p2)) / 4)
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| INTERP_32_MASK_SHIFTBACK_2_4((INTERP_32_MASK_SHIFT_2_4(p1)*3 + INTERP_32_MASK_SHIFT_2_4(p2)) / 4);
168
}
169
170
static inline uint32 hq2x_interp_32_1411(uint32 p1, uint32 p2, uint32 p3)
171
{
172
return INTERP_32_MASK_1_3((INTERP_32_MASK_1_3(p1)*14 + INTERP_32_MASK_1_3(p2) + INTERP_32_MASK_1_3(p3)) / 16)
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| INTERP_32_MASK_SHIFTBACK_2_4((INTERP_32_MASK_SHIFT_2_4(p1)*14 + INTERP_32_MASK_SHIFT_2_4(p2) + INTERP_32_MASK_SHIFT_2_4(p3)) / 16);
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}
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static inline uint32 hq2x_interp_32_431(uint32 p1, uint32 p2, uint32 p3)
177
{
178
return INTERP_32_MASK_1_3((INTERP_32_MASK_1_3(p1)*4 + INTERP_32_MASK_1_3(p2)*3 + INTERP_32_MASK_1_3(p3)) / 8)
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| INTERP_32_MASK_SHIFTBACK_2_4((INTERP_32_MASK_SHIFT_2_4(p1)*4 + INTERP_32_MASK_SHIFT_2_4(p2)*3 + INTERP_32_MASK_SHIFT_2_4(p3)) / 8);
180
}
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static inline uint32 hq2x_interp_32_53(uint32 p1, uint32 p2)
183
{
184
return INTERP_32_MASK_1_3((INTERP_32_MASK_1_3(p1)*5 + INTERP_32_MASK_1_3(p2)*3) / 8)
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| INTERP_32_MASK_SHIFTBACK_2_4((INTERP_32_MASK_SHIFT_2_4(p1)*5 + INTERP_32_MASK_SHIFT_2_4(p2)*3) / 8);
186
}
187
188
static inline uint32 hq2x_interp_32_151(uint32 p1, uint32 p2)
189
{
190
return INTERP_32_MASK_1_3((INTERP_32_MASK_1_3(p1)*15 + INTERP_32_MASK_1_3(p2)) / 16)
191
| INTERP_32_MASK_SHIFTBACK_2_4((INTERP_32_MASK_SHIFT_2_4(p1)*15 + INTERP_32_MASK_SHIFT_2_4(p2)) / 16);
192
}
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static inline uint32 hq2x_interp_32_97(uint32 p1, uint32 p2)
195
{
196
return INTERP_32_MASK_1_3((INTERP_32_MASK_1_3(p1)*9 + INTERP_32_MASK_1_3(p2)*7) / 16)
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| INTERP_32_MASK_SHIFTBACK_2_4((INTERP_32_MASK_SHIFT_2_4(p1)*9 + INTERP_32_MASK_SHIFT_2_4(p2)*7) / 16);
198
}
199
200
/***************************************************************************/
201
/* diff */
202
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#define INTERP_Y_LIMIT (0x30*4)
204
#define INTERP_U_LIMIT (0x07*4)
205
#define INTERP_V_LIMIT (0x06*8)
206
207
static int hq2x_interp_16_diff(uint16 p1, uint16 p2)
208
{
209
int r, g, b;
210
int y, u, v;
211
212
if (p1 == p2)
213
return 0;
214
215
b = (int)((p1 & 0x000F) - (p2 & 0x000F));
216
g = (int)((p1 & 0x00F0) - (p2 & 0x00F0)) >> 4;
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r = (int)((p1 & 0x0F00) - (p2 & 0x0F00)) >> 8;
218
219
y = r + g + b;
220
u = r - b;
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v = -r + 2*g - b;
222
223
if (y < -INTERP_Y_LIMIT || y > INTERP_Y_LIMIT)
224
return 1;
225
226
if (u < -INTERP_U_LIMIT || u > INTERP_U_LIMIT)
227
return 1;
228
229
if (v < -INTERP_V_LIMIT || v > INTERP_V_LIMIT)
230
return 1;
231
232
return 0;
233
}
234
235
static int hq2x_interp_32_diff(uint32 p1, uint32 p2)
236
{
237
int r, g, b;
238
int y, u, v;
239
240
if ((p1 & 0xF8F8F8) == (p2 & 0xF8F8F8))
241
return 0;
242
243
b = (int)((p1 & 0xFF) - (p2 & 0xFF));
244
g = (int)((p1 & 0xFF00) - (p2 & 0xFF00)) >> 8;
245
r = (int)((p1 & 0xFF0000) - (p2 & 0xFF0000)) >> 16;
246
247
y = r + g + b;
248
u = r - b;
249
v = -r + 2*g - b;
250
251
if (y < -INTERP_Y_LIMIT || y > INTERP_Y_LIMIT)
252
return 1;
253
254
if (u < -INTERP_U_LIMIT || u > INTERP_U_LIMIT)
255
return 1;
256
257
if (v < -INTERP_V_LIMIT || v > INTERP_V_LIMIT)
258
return 1;
259
260
return 0;
261
}
262
263
static void interp_set(unsigned bits_per_pixel)
264
{
265
interp_bits_per_pixel = bits_per_pixel;
266
}
267
268
269
static void hq2x_16_def(uint16* dst0, uint16* dst1, const uint16* src0, const uint16* src1, const uint16* src2, unsigned count)
270
{
271
unsigned i;
272
273
for(i=0;i<count;++i) {
274
unsigned char mask;
275
276
uint16 c[9];
277
278
c[1] = src0[0];
279
c[4] = src1[0];
280
c[7] = src2[0];
281
282
if (i>0) {
283
c[0] = src0[-1];
284
c[3] = src1[-1];
285
c[6] = src2[-1];
286
} else {
287
c[0] = c[1];
288
c[3] = c[4];
289
c[6] = c[7];
290
}
291
292
if (i<count-1) {
293
c[2] = src0[1];
294
c[5] = src1[1];
295
c[8] = src2[1];
296
} else {
297
c[2] = c[1];
298
c[5] = c[4];
299
c[8] = c[7];
300
}
301
302
mask = 0;
303
304
if (hq2x_interp_16_diff(c[0], c[4]))
305
mask |= 1 << 0;
306
if (hq2x_interp_16_diff(c[1], c[4]))
307
mask |= 1 << 1;
308
if (hq2x_interp_16_diff(c[2], c[4]))
309
mask |= 1 << 2;
310
if (hq2x_interp_16_diff(c[3], c[4]))
311
mask |= 1 << 3;
312
if (hq2x_interp_16_diff(c[5], c[4]))
313
mask |= 1 << 4;
314
if (hq2x_interp_16_diff(c[6], c[4]))
315
mask |= 1 << 5;
316
if (hq2x_interp_16_diff(c[7], c[4]))
317
mask |= 1 << 6;
318
if (hq2x_interp_16_diff(c[8], c[4]))
319
mask |= 1 << 7;
320
321
#define P0 dst0[0]
322
#define P1 dst0[1]
323
#define P2 dst1[0]
324
#define P3 dst1[1]
325
#define HQ2X_MUR hq2x_interp_16_diff(c[1], c[5])
326
#define HQ2X_MDR hq2x_interp_16_diff(c[5], c[7])
327
#define HQ2X_MDL hq2x_interp_16_diff(c[7], c[3])
328
#define HQ2X_MUL hq2x_interp_16_diff(c[3], c[1])
329
#define IC(p0) c[p0]
330
#define I11(p0,p1) hq2x_interp_16_11(c[p0], c[p1])
331
#define I211(p0,p1,p2) hq2x_interp_16_211(c[p0], c[p1], c[p2])
332
#define I31(p0,p1) hq2x_interp_16_31(c[p0], c[p1])
333
#define I332(p0,p1,p2) hq2x_interp_16_332(c[p0], c[p1], c[p2])
334
#define I431(p0,p1,p2) hq2x_interp_16_431(c[p0], c[p1], c[p2])
335
#define I521(p0,p1,p2) hq2x_interp_16_521(c[p0], c[p1], c[p2])
336
#define I53(p0,p1) hq2x_interp_16_53(c[p0], c[p1])
337
#define I611(p0,p1,p2) hq2x_interp_16_611(c[p0], c[p1], c[p2])
338
#define I71(p0,p1) hq2x_interp_16_71(c[p0], c[p1])
339
#define I772(p0,p1,p2) hq2x_interp_16_772(c[p0], c[p1], c[p2])
340
#define I97(p0,p1) hq2x_interp_16_97(c[p0], c[p1])
341
#define I1411(p0,p1,p2) hq2x_interp_16_1411(c[p0], c[p1], c[p2])
342
#define I151(p0,p1) hq2x_interp_16_151(c[p0], c[p1])
343
344
switch (mask) {
345
#include "TextureFilters_hq2x.h"
346
}
347
348
#undef P0
349
#undef P1
350
#undef P2
351
#undef P3
352
#undef HQ2X_MUR
353
#undef HQ2X_MDR
354
#undef HQ2X_MDL
355
#undef HQ2X_MUL
356
#undef IC
357
#undef I11
358
#undef I211
359
#undef I31
360
#undef I332
361
#undef I431
362
#undef I521
363
#undef I53
364
#undef I611
365
#undef I71
366
#undef I772
367
#undef I97
368
#undef I1411
369
#undef I151
370
371
src0 += 1;
372
src1 += 1;
373
src2 += 1;
374
dst0 += 2;
375
dst1 += 2;
376
}
377
}
378
379
static void hq2x_32_def(uint32* dst0, uint32* dst1, const uint32* src0, const uint32* src1, const uint32* src2, unsigned count)
380
{
381
unsigned i;
382
383
for(i=0;i<count;++i) {
384
unsigned char mask;
385
386
uint32 c[9];
387
388
c[1] = src0[0];
389
c[4] = src1[0];
390
c[7] = src2[0];
391
392
if (i>0) {
393
c[0] = src0[-1];
394
c[3] = src1[-1];
395
c[6] = src2[-1];
396
} else {
397
c[0] = src0[0];
398
c[3] = src1[0];
399
c[6] = src2[0];
400
}
401
402
if (i<count-1) {
403
c[2] = src0[1];
404
c[5] = src1[1];
405
c[8] = src2[1];
406
} else {
407
c[2] = src0[0];
408
c[5] = src1[0];
409
c[8] = src2[0];
410
}
411
412
mask = 0;
413
414
if (hq2x_interp_32_diff(c[0], c[4]))
415
mask |= 1 << 0;
416
if (hq2x_interp_32_diff(c[1], c[4]))
417
mask |= 1 << 1;
418
if (hq2x_interp_32_diff(c[2], c[4]))
419
mask |= 1 << 2;
420
if (hq2x_interp_32_diff(c[3], c[4]))
421
mask |= 1 << 3;
422
if (hq2x_interp_32_diff(c[5], c[4]))
423
mask |= 1 << 4;
424
if (hq2x_interp_32_diff(c[6], c[4]))
425
mask |= 1 << 5;
426
if (hq2x_interp_32_diff(c[7], c[4]))
427
mask |= 1 << 6;
428
if (hq2x_interp_32_diff(c[8], c[4]))
429
mask |= 1 << 7;
430
431
#define P0 dst0[0]
432
#define P1 dst0[1]
433
#define P2 dst1[0]
434
#define P3 dst1[1]
435
#define HQ2X_MUR hq2x_interp_32_diff(c[1], c[5])
436
#define HQ2X_MDR hq2x_interp_32_diff(c[5], c[7])
437
#define HQ2X_MDL hq2x_interp_32_diff(c[7], c[3])
438
#define HQ2X_MUL hq2x_interp_32_diff(c[3], c[1])
439
#define IC(p0) c[p0]
440
#define I11(p0,p1) hq2x_interp_32_11(c[p0], c[p1])
441
#define I211(p0,p1,p2) hq2x_interp_32_211(c[p0], c[p1], c[p2])
442
#define I31(p0,p1) hq2x_interp_32_31(c[p0], c[p1])
443
#define I332(p0,p1,p2) hq2x_interp_32_332(c[p0], c[p1], c[p2])
444
#define I431(p0,p1,p2) hq2x_interp_32_431(c[p0], c[p1], c[p2])
445
#define I521(p0,p1,p2) hq2x_interp_32_521(c[p0], c[p1], c[p2])
446
#define I53(p0,p1) hq2x_interp_32_53(c[p0], c[p1])
447
#define I611(p0,p1,p2) hq2x_interp_32_611(c[p0], c[p1], c[p2])
448
#define I71(p0,p1) hq2x_interp_32_71(c[p0], c[p1])
449
#define I772(p0,p1,p2) hq2x_interp_32_772(c[p0], c[p1], c[p2])
450
#define I97(p0,p1) hq2x_interp_32_97(c[p0], c[p1])
451
#define I1411(p0,p1,p2) hq2x_interp_32_1411(c[p0], c[p1], c[p2])
452
#define I151(p0,p1) hq2x_interp_32_151(c[p0], c[p1])
453
454
switch (mask) {
455
#include "TextureFilters_hq2x.h"
456
}
457
458
#undef P0
459
#undef P1
460
#undef P2
461
#undef P3
462
#undef HQ2X_MUR
463
#undef HQ2X_MDR
464
#undef HQ2X_MDL
465
#undef HQ2X_MUL
466
#undef IC
467
#undef I11
468
#undef I211
469
#undef I31
470
#undef I332
471
#undef I431
472
#undef I521
473
#undef I53
474
#undef I611
475
#undef I71
476
#undef I772
477
#undef I97
478
#undef I1411
479
#undef I151
480
481
src0 += 1;
482
src1 += 1;
483
src2 += 1;
484
dst0 += 2;
485
dst1 += 2;
486
}
487
}
488
489
/***************************************************************************/
490
/* LQ2x C implementation */
491
492
/*
493
* This effect is derived from the hq2x effect made by Maxim Stepin
494
*/
495
496
static void lq2x_16_def(uint16* dst0, uint16* dst1, const uint16* src0, const uint16* src1, const uint16* src2, unsigned count)
497
{
498
unsigned i;
499
500
for(i=0;i<count;++i) {
501
unsigned char mask;
502
503
uint16 c[9];
504
505
c[1] = src0[0];
506
c[4] = src1[0];
507
c[7] = src2[0];
508
509
if (i>0) {
510
c[0] = src0[-1];
511
c[3] = src1[-1];
512
c[6] = src2[-1];
513
} else {
514
c[0] = c[1];
515
c[3] = c[4];
516
c[6] = c[7];
517
}
518
519
if (i<count-1) {
520
c[2] = src0[1];
521
c[5] = src1[1];
522
c[8] = src2[1];
523
} else {
524
c[2] = c[1];
525
c[5] = c[4];
526
c[8] = c[7];
527
}
528
529
mask = 0;
530
531
if (c[0] != c[4])
532
mask |= 1 << 0;
533
if (c[1] != c[4])
534
mask |= 1 << 1;
535
if (c[2] != c[4])
536
mask |= 1 << 2;
537
if (c[3] != c[4])
538
mask |= 1 << 3;
539
if (c[5] != c[4])
540
mask |= 1 << 4;
541
if (c[6] != c[4])
542
mask |= 1 << 5;
543
if (c[7] != c[4])
544
mask |= 1 << 6;
545
if (c[8] != c[4])
546
mask |= 1 << 7;
547
548
#define P0 dst0[0]
549
#define P1 dst0[1]
550
#define P2 dst1[0]
551
#define P3 dst1[1]
552
#define HQ2X_MUR (c[1] != c[5])
553
#define HQ2X_MDR (c[5] != c[7])
554
#define HQ2X_MDL (c[7] != c[3])
555
#define HQ2X_MUL (c[3] != c[1])
556
#define IC(p0) c[p0]
557
#define I11(p0,p1) hq2x_interp_16_11(c[p0], c[p1])
558
#define I211(p0,p1,p2) hq2x_interp_16_211(c[p0], c[p1], c[p2])
559
#define I31(p0,p1) hq2x_interp_16_31(c[p0], c[p1])
560
#define I332(p0,p1,p2) hq2x_interp_16_332(c[p0], c[p1], c[p2])
561
#define I431(p0,p1,p2) hq2x_interp_16_431(c[p0], c[p1], c[p2])
562
#define I521(p0,p1,p2) hq2x_interp_16_521(c[p0], c[p1], c[p2])
563
#define I53(p0,p1) hq2x_interp_16_53(c[p0], c[p1])
564
#define I611(p0,p1,p2) hq2x_interp_16_611(c[p0], c[p1], c[p2])
565
#define I71(p0,p1) hq2x_interp_16_71(c[p0], c[p1])
566
#define I772(p0,p1,p2) hq2x_interp_16_772(c[p0], c[p1], c[p2])
567
#define I97(p0,p1) hq2x_interp_16_97(c[p0], c[p1])
568
#define I1411(p0,p1,p2) hq2x_interp_16_1411(c[p0], c[p1], c[p2])
569
#define I151(p0,p1) hq2x_interp_16_151(c[p0], c[p1])
570
571
switch (mask) {
572
#include "TextureFilters_lq2x.h"
573
}
574
575
#undef P0
576
#undef P1
577
#undef P2
578
#undef P3
579
#undef HQ2X_MUR
580
#undef HQ2X_MDR
581
#undef HQ2X_MDL
582
#undef HQ2X_MUL
583
#undef IC
584
#undef I11
585
#undef I211
586
#undef I31
587
#undef I332
588
#undef I431
589
#undef I521
590
#undef I53
591
#undef I611
592
#undef I71
593
#undef I772
594
#undef I97
595
#undef I1411
596
#undef I151
597
598
src0 += 1;
599
src1 += 1;
600
src2 += 1;
601
dst0 += 2;
602
dst1 += 2;
603
}
604
}
605
606
static void lq2x_32_def(uint32* dst0, uint32* dst1, const uint32* src0, const uint32* src1, const uint32* src2, unsigned count)
607
{
608
unsigned i;
609
610
for(i=0;i<count;++i) {
611
unsigned char mask;
612
613
uint32 c[9];
614
615
c[1] = src0[0];
616
c[4] = src1[0];
617
c[7] = src2[0];
618
619
if (i>0) {
620
c[0] = src0[-1];
621
c[3] = src1[-1];
622
c[6] = src2[-1];
623
} else {
624
c[0] = c[1];
625
c[3] = c[4];
626
c[6] = c[7];
627
}
628
629
if (i<count-1) {
630
c[2] = src0[1];
631
c[5] = src1[1];
632
c[8] = src2[1];
633
} else {
634
c[2] = c[1];
635
c[5] = c[4];
636
c[8] = c[7];
637
}
638
639
mask = 0;
640
641
if (c[0] != c[4])
642
mask |= 1 << 0;
643
if (c[1] != c[4])
644
mask |= 1 << 1;
645
if (c[2] != c[4])
646
mask |= 1 << 2;
647
if (c[3] != c[4])
648
mask |= 1 << 3;
649
if (c[5] != c[4])
650
mask |= 1 << 4;
651
if (c[6] != c[4])
652
mask |= 1 << 5;
653
if (c[7] != c[4])
654
mask |= 1 << 6;
655
if (c[8] != c[4])
656
mask |= 1 << 7;
657
658
#define P0 dst0[0]
659
#define P1 dst0[1]
660
#define P2 dst1[0]
661
#define P3 dst1[1]
662
#define HQ2X_MUR (c[1] != c[5])
663
#define HQ2X_MDR (c[5] != c[7])
664
#define HQ2X_MDL (c[7] != c[3])
665
#define HQ2X_MUL (c[3] != c[1])
666
#define IC(p0) c[p0]
667
#define I11(p0,p1) hq2x_interp_32_11(c[p0], c[p1])
668
#define I211(p0,p1,p2) hq2x_interp_32_211(c[p0], c[p1], c[p2])
669
#define I31(p0,p1) hq2x_interp_32_31(c[p0], c[p1])
670
#define I332(p0,p1,p2) hq2x_interp_32_332(c[p0], c[p1], c[p2])
671
#define I431(p0,p1,p2) hq2x_interp_32_431(c[p0], c[p1], c[p2])
672
#define I521(p0,p1,p2) hq2x_interp_32_521(c[p0], c[p1], c[p2])
673
#define I53(p0,p1) hq2x_interp_32_53(c[p0], c[p1])
674
#define I611(p0,p1,p2) hq2x_interp_32_611(c[p0], c[p1], c[p2])
675
#define I71(p0,p1) hq2x_interp_32_71(c[p0], c[p1])
676
#define I772(p0,p1,p2) hq2x_interp_32_772(c[p0], c[p1], c[p2])
677
#define I97(p0,p1) hq2x_interp_32_97(c[p0], c[p1])
678
#define I1411(p0,p1,p2) hq2x_interp_32_1411(c[p0], c[p1], c[p2])
679
#define I151(p0,p1) hq2x_interp_32_151(c[p0], c[p1])
680
681
switch (mask) {
682
#include "TextureFilters_lq2x.h"
683
}
684
685
#undef P0
686
#undef P1
687
#undef P2
688
#undef P3
689
#undef HQ2X_MUR
690
#undef HQ2X_MDR
691
#undef HQ2X_MDL
692
#undef HQ2X_MUL
693
#undef IC
694
#undef I11
695
#undef I211
696
#undef I31
697
#undef I332
698
#undef I431
699
#undef I521
700
#undef I53
701
#undef I611
702
#undef I71
703
#undef I772
704
#undef I97
705
#undef I1411
706
#undef I151
707
708
src0 += 1;
709
src1 += 1;
710
src2 += 1;
711
dst0 += 2;
712
dst1 += 2;
713
}
714
}
715
716
void hq2x_16(uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height)
717
{
718
uint16 *dst0 = (uint16 *)dstPtr;
719
uint16 *dst1 = dst0 + (dstPitch >> 1);
720
721
uint16 *src0 = (uint16 *)srcPtr;
722
uint16 *src1 = src0 + (srcPitch >> 1);
723
uint16 *src2 = src1 + (srcPitch >> 1);
724
725
hq2x_16_def(dst0, dst1, src0, src0, src1, width);
726
if( height == 1 ) return;
727
728
int count = height;
729
730
count -= 2;
731
while(count>0) {
732
dst0 += dstPitch;
733
dst1 += dstPitch;
734
hq2x_16_def(dst0, dst1, src0, src1, src2, width);
735
src0 = src1;
736
src1 = src2;
737
src2 += srcPitch >> 1;
738
--count;
739
}
740
dst0 += dstPitch;
741
dst1 += dstPitch;
742
hq2x_16_def(dst0, dst1, src0, src1, src1, width);
743
}
744
745
void hq2x_32(uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height)
746
{
747
uint32 *dst0 = (uint32 *)dstPtr;
748
uint32 *dst1 = dst0 + (dstPitch >> 2);
749
750
uint32 *src0 = (uint32 *)srcPtr;
751
uint32 *src1 = src0 + (srcPitch >> 2);
752
uint32 *src2 = src1 + (srcPitch >> 2);
753
hq2x_32_def(dst0, dst1, src0, src0, src1, width);
754
if( height == 1 ) return;
755
756
int count = height;
757
758
count -= 2;
759
while(count>0) {
760
dst0 += dstPitch >> 1;
761
dst1 += dstPitch >> 1;
762
hq2x_32_def(dst0, dst1, src0, src1, src2, width);
763
src0 = src1;
764
src1 = src2;
765
src2 += srcPitch >> 2;
766
--count;
767
}
768
dst0 += dstPitch >> 1;
769
dst1 += dstPitch >> 1;
770
hq2x_32_def(dst0, dst1, src0, src1, src1, width);
771
}
772
773
void lq2x_16(uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height)
774
{
775
uint16 *dst0 = (uint16 *)dstPtr;
776
uint16 *dst1 = dst0 + (dstPitch >> 1);
777
778
uint16 *src0 = (uint16 *)srcPtr;
779
uint16 *src1 = src0 + (srcPitch >> 1);
780
uint16 *src2 = src1 + (srcPitch >> 1);
781
782
lq2x_16_def(dst0, dst1, src0, src0, src1, width);
783
if( height == 1 ) return;
784
785
int count = height;
786
787
count -= 2;
788
while(count>0) {
789
dst0 += dstPitch;
790
dst1 += dstPitch;
791
hq2x_16_def(dst0, dst1, src0, src1, src2, width);
792
src0 = src1;
793
src1 = src2;
794
src2 += srcPitch >> 1;
795
--count;
796
}
797
dst0 += dstPitch;
798
dst1 += dstPitch;
799
lq2x_16_def(dst0, dst1, src0, src1, src1, width);
800
}
801
802
void lq2x_32(uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height)
803
{
804
uint32 *dst0 = (uint32 *)dstPtr;
805
uint32 *dst1 = dst0 + (dstPitch >> 2);
806
807
uint32 *src0 = (uint32 *)srcPtr;
808
uint32 *src1 = src0 + (srcPitch >> 2);
809
uint32 *src2 = src1 + (srcPitch >> 2);
810
lq2x_32_def(dst0, dst1, src0, src0, src1, width);
811
if( height == 1 ) return;
812
813
int count = height;
814
815
count -= 2;
816
while(count>0) {
817
dst0 += dstPitch >> 1;
818
dst1 += dstPitch >> 1;
819
hq2x_32_def(dst0, dst1, src0, src1, src2, width);
820
src0 = src1;
821
src1 = src2;
822
src2 += srcPitch >> 2;
823
--count;
824
}
825
dst0 += dstPitch >> 1;
826
dst1 += dstPitch >> 1;
827
lq2x_32_def(dst0, dst1, src0, src1, src1, width);
828
}
829
830
void hq2x_init(unsigned bits_per_pixel)
831
{
832
interp_set(bits_per_pixel);
833
}
834
835
/************************************************************************/
836
/* hq3x filters */
837
/************************************************************************/
838
839
/************************************************************************/
840
/* scale2x filters */
841
/************************************************************************/
842
843
/************************************************************************/
844
/* scale3x filters */
845
/************************************************************************/
846
Loggerhead is a web-based interface for Breezy
Version: 2.0.1