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project64/Source/GlideHQ/TxQuantize.cpp

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/*
* 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.
*/
#ifdef WIN32
#pragma warning(disable: 4786)
#endif
/* NOTE: The codes are not optimized. They can be made faster. */
#include "TxQuantize.h"
TxQuantize::TxQuantize()
{
_txUtil = new TxUtil();
/* get number of CPU cores. */
_numcore = _txUtil->getNumberofProcessors();
/* get dxtn extensions */
_tx_compress_fxt1 = TxLoadLib::getInstance()->getfxtCompressTexFuncExt();
_tx_compress_dxtn = TxLoadLib::getInstance()->getdxtCompressTexFuncExt();
}
TxQuantize::~TxQuantize()
{
delete _txUtil;
}
void
TxQuantize::ARGB1555_ARGB8888(uint32* src, uint32* dest, int width, int height)
{
#if 1
int siz = (width * height) >> 1;
int i;
for (i = 0; i < siz; i++) {
*dest = (((*src & 0x00008000) ? 0xff000000 : 0x00000000) |
((*src & 0x00007c00) << 9) | ((*src & 0x00007000) << 4) |
((*src & 0x000003e0) << 6) | ((*src & 0x00000380) << 1) |
((*src & 0x0000001f) << 3) | ((*src & 0x0000001c) >> 2));
dest++;
*dest = (((*src & 0x80000000) ? 0xff000000 : 0x00000000) |
((*src & 0x7c000000) >> 7) | ((*src & 0x70000000) >> 12) |
((*src & 0x03e00000) >> 10) | ((*src & 0x03800000) >> 15) |
((*src & 0x001f0000) >> 13) | ((*src & 0x001c0000) >> 18));
dest++;
src++;
}
#else
int siz = (width * height) >> 1;
__asm {
push ebx;
push esi;
push edi;
mov esi, dword ptr [src];
mov edi, dword ptr [dest];
mov ecx, dword ptr [siz];
tc1_loop:
mov eax, dword ptr [esi];
add esi, 4;
// arrr rrgg gggb bbbb
// aaaaaaaa rrrrrrrr gggggggg bbbbbbbb
mov edx, eax; // edx = arrrrrgg gggbbbbb arrrrrgg gggbbbbb
mov ebx, 0x00000000;
and eax, 0x00008000; // eax = 00000000 00000000 a0000000 00000000
jz transparent1;
mov ebx, 0xff000000; // ebx = aaaaaaaa 00000000 00000000 00000000
transparent1:
mov eax, edx; // eax = arrrrrgg gggbbbbb arrrrrgg gggbbbbb
and edx, 0x00007c00; // edx = 00000000 00000000 0rrrrr00 00000000
shl edx, 4; // edx = 00000000 00000rrr rr000000 00000000
or ebx, edx; // ebx = aaaaaaaa 00000rrr rr000000 00000000
shl edx, 5; // edx = 00000000 rrrrr000 00000000 00000000
or ebx, edx; // ebx = aaaaaaaa rrrrrrrr rr000000 00000000
and ebx, 0xffff0000; // ebx = aaaaaaaa rrrrrrrr 00000000 00000000
mov edx, eax;
and edx, 0x000003e0; // edx = 00000000 00000000 000000gg ggg00000
shl edx, 1; // edx = 00000000 00000000 00000ggg gg000000
or ebx, edx; // ebx = aaaaaaaa rrrrrrrr 00000ggg gg000000
shl edx, 5; // edx = 00000000 00000000 ggggg000 00000000
or ebx, edx; // ebx = aaaaaaaa rrrrrrrr gggggggg gg000000
and ebx, 0xffffff00; // ebx = aaaaaaaa rrrrrrrr gggggggg 00000000
mov edx, eax;
and edx, 0x0000001f; // edx = 00000000 00000000 00000000 000bbbbb
shl edx, 3; // edx = 00000000 00000000 00000000 bbbbb000
or ebx, edx; // ebx = aaaaaaaa rrrrrrrr gggggggg bbbbb000
shr edx, 5; // edx = 00000000 00000000 00000000 00000bbb
or ebx, edx; // ebx = aaaaaaaa rrrrrrrr gggggggg bbbbbbbb
mov dword ptr [edi], ebx;
add edi, 4;
shr eax, 16; // eax = 00000000 00000000 arrrrrgg gggbbbbb
mov edx, eax; // edx = 00000000 00000000 arrrrrgg gggbbbbb
mov ebx, 0x00000000;
and eax, 0x00008000; // eax = 00000000 00000000 a0000000 00000000
jz transparent2;
mov ebx, 0xff000000; // ebx = aaaaaaaa 00000000 00000000 00000000
transparent2:
mov eax, edx; // eax = 00000000 00000000 arrrrrgg gggbbbbb
and edx, 0x00007c00; // edx = 00000000 00000000 0rrrrr00 00000000
shl edx, 4; // edx = 00000000 00000rrr rr000000 00000000
or ebx, edx; // ebx = aaaaaaaa 00000rrr rr000000 00000000
shl edx, 5; // edx = 00000000 rrrrr000 00000000 00000000
or ebx, edx; // ebx = aaaaaaaa rrrrrrrr rr000000 00000000
and ebx, 0xffff0000; // ebx = aaaaaaaa rrrrrrrr 00000000 00000000
mov edx, eax;
and edx, 0x000003e0; // edx = 00000000 00000000 000000gg ggg00000
shl edx, 1; // edx = 00000000 00000000 00000ggg gg000000
or ebx, edx; // ebx = aaaaaaaa rrrrrrrr 00000ggg gg000000
shl edx, 5; // edx = 00000000 00000000 ggggg000 00000000
or ebx, edx; // ebx = aaaaaaaa rrrrrrrr gggggggg gg000000
and ebx, 0xffffff00; // ebx = aaaaaaaa rrrrrrrr gggggggg 00000000
mov edx, eax;
and edx, 0x0000001f; // edx = 00000000 00000000 00000000 000bbbbb
shl edx, 3; // edx = 00000000 00000000 00000000 bbbbb000
or ebx, edx; // ebx = aaaaaaaa rrrrrrrr gggggggg bbbbb000
shr edx, 5; // edx = 00000000 00000000 00000000 00000bbb
or ebx, edx; // ebx = aaaaaaaa rrrrrrrr gggggggg bbbbbbbb
mov dword ptr [edi], ebx;
add edi, 4;
dec ecx;
jnz tc1_loop;
pop edi;
pop esi;
pop ebx;
}
#endif
}
void
TxQuantize::ARGB4444_ARGB8888(uint32* src, uint32* dest, int width, int height)
{
#if 1
int siz = (width * height) >> 1;
int i;
for (i = 0; i < siz; i++) {
*dest = ((*src & 0x0000f000) << 12) |
((*src & 0x00000f00) << 8) |
((*src & 0x000000f0) << 4) |
(*src & 0x0000000f);
*dest |= (*dest << 4);
dest++;
*dest = ((*src & 0xf0000000) |
((*src & 0x0f000000) >> 4) |
((*src & 0x00f00000) >> 8) |
((*src & 0x000f0000) >> 12));
*dest |= (*dest >> 4);
dest++;
src++;
}
#else
int siz = (width * height) >> 1;
__asm {
push ebx;
push esi;
push edi;
mov esi, dword ptr [src];
mov edi, dword ptr [dest];
mov ecx, dword ptr [siz];
tc1_loop:
mov eax, dword ptr [esi];
add esi, 4;
// aaaa rrrr gggg bbbb
// aaaaaaaa rrrrrrrr gggggggg bbbbbbbb
mov edx, eax;
and eax, 0x0000ffff;
mov ebx, eax; // 00000000 00000000 aaaarrrr ggggbbbb
and ebx, 0x0000f000; // 00000000 00000000 aaaa0000 00000000
shl ebx, 12; // 0000aaaa 00000000 00000000 00000000
or eax, ebx; // 0000aaaa 00000000 aaaarrrr ggggbbbb
mov ebx, eax;
and ebx, 0x00000f00; // 00000000 00000000 0000rrrr 00000000
shl ebx, 8; // 00000000 0000rrrr 00000000 00000000
or eax, ebx; // 0000aaaa 0000rrrr aaaarrrr ggggbbbb
mov ebx, eax;
and ebx, 0x000000f0; // 00000000 00000000 00000000 gggg0000
shl ebx, 4; // 00000000 00000000 0000gggg 00000000
and eax, 0x0f0f000f; // 0000aaaa 0000rrrr 00000000 0000bbbb
or eax, ebx; // 0000aaaa 0000rrrr 0000gggg 0000bbbb
mov ebx, eax;
shl ebx, 4; // aaaa0000 rrrr0000 gggg0000 bbbb0000
or eax, ebx; // aaaaaaaa rrrrrrrr gggggggg bbbbbbbb
mov dword ptr [edi], eax;
add edi, 4;
shr edx, 16;
mov ebx, edx; // 00000000 00000000 aaaarrrr ggggbbbb
and ebx, 0x0000f000; // 00000000 00000000 aaaa0000 00000000
shl ebx, 12; // 0000aaaa 00000000 00000000 00000000
or edx, ebx; // 0000aaaa 00000000 aaaarrrr ggggbbbb
mov ebx, edx;
and ebx, 0x00000f00; // 00000000 00000000 0000rrrr 00000000
shl ebx, 8; // 00000000 0000rrrr 00000000 00000000
or edx, ebx; // 0000aaaa 0000rrrr aaaarrrr ggggbbbb
mov ebx, edx;
and ebx, 0x000000f0; // 00000000 00000000 00000000 gggg0000
shl ebx, 4; // 00000000 00000000 0000gggg 00000000
and edx, 0x0f0f000f; // 0000aaaa 0000rrrr 00000000 0000bbbb
or edx, ebx; // 0000aaaa 0000rrrr 0000gggg 0000bbbb
mov ebx, edx;
shl ebx, 4; // aaaa0000 rrrr0000 gggg0000 bbbb0000
or edx, ebx; // aaaaaaaa rrrrrrrr gggggggg bbbbbbbb
mov dword ptr [edi], edx;
add edi, 4;
dec ecx;
jnz tc1_loop;
pop edi;
pop esi;
pop ebx;
}
#endif
}
void
TxQuantize::RGB565_ARGB8888(uint32* src, uint32* dest, int width, int height)
{
#if 1
int siz = (width * height) >> 1;
int i;
for (i = 0; i < siz; i++) {
*dest = (0xff000000 |
((*src & 0x0000f800) << 8) | ((*src & 0x0000e000) << 3) |
((*src & 0x000007e0) << 5) | ((*src & 0x00000600) >> 1) |
((*src & 0x0000001f) << 3) | ((*src & 0x0000001c) >> 2));
dest++;
*dest = (0xff000000 |
((*src & 0xf8000000) >> 8) | ((*src & 0xe0000000) >> 13) |
((*src & 0x07e00000) >> 11) | ((*src & 0x06000000) >> 17) |
((*src & 0x001f0000) >> 13) | ((*src & 0x001c0000) >> 18));
dest++;
src++;
}
#else
int siz = (width * height) >> 1;
__asm {
push ebx;
push esi;
push edi;
mov esi, dword ptr [src];
mov edi, dword ptr [dest];
mov ecx, dword ptr [siz];
tc1_loop:
mov eax, dword ptr [esi];
add esi, 4;
// rrrr rggg gggb bbbb
// 11111111 rrrrrrrr gggggggg bbbbbbbb
mov edx, eax;
and eax, 0x0000ffff;
mov ebx, eax; // 00000000 00000000 rrrrrggg gggbbbbb
and ebx, 0x0000f800; // 00000000 00000000 rrrrr000 00000000
shl ebx, 5; // 00000000 000rrrrr 00000000 00000000
or eax, ebx; // 00000000 000rrrrr rrrrrggg gggbbbbb
mov ebx, eax;
and ebx, 0x000007e0; // 00000000 00000000 00000ggg ggg00000
shl ebx, 5; // 00000000 00000000 gggggg00 00000000
and eax, 0x001F001F; // 00000000 000rrrrr 00000000 000bbbbb
shl eax, 3; // 00000000 rrrrr000 00000000 bbbbb000
or eax, ebx; // 00000000 rrrrr000 gggggg00 bbbbb000
mov ebx, eax;
shr ebx, 5; // 00000000 00000rrr rr000ggg ggg00bbb
and ebx, 0x00070007; // 00000000 00000rrr 00000000 00000bbb
or eax, ebx; // 00000000 rrrrrrrr gggggg00 bbbbbbbb
mov ebx, eax;
shr ebx, 6;
and ebx, 0x00000300; // 00000000 00000000 000000gg 00000000
or eax, ebx // 00000000 rrrrrrrr gggggggg bbbbbbbb
or eax, 0xff000000; // 11111111 rrrrrrrr gggggggg bbbbbbbb
mov dword ptr [edi], eax;
add edi, 4;
shr edx, 16;
mov eax, edx; // 00000000 00000000 rrrrrggg gggbbbbb
and eax, 0x0000ffff;
mov ebx, eax; // 00000000 00000000 rrrrrggg gggbbbbb
and ebx, 0x0000f800; // 00000000 00000000 rrrrr000 00000000
shl ebx, 5; // 00000000 000rrrrr 00000000 00000000
or eax, ebx; // 00000000 000rrrrr rrrrrggg gggbbbbb
mov ebx, eax;
and ebx, 0x000007e0; // 00000000 00000000 00000ggg ggg00000
shl ebx, 5; // 00000000 00000000 gggggg00 00000000
and eax, 0x001F001F; // 00000000 000rrrrr 00000000 000bbbbb
shl eax, 3; // 00000000 rrrrr000 00000000 bbbbb000
or eax, ebx; // 00000000 rrrrr000 gggggg00 bbbbb000
mov ebx, eax;
shr ebx, 5; // 00000000 00000rrr rr000ggg ggg00bbb
and ebx, 0x00070007; // 00000000 00000rrr 00000000 00000bbb
or eax, ebx; // 00000000 rrrrrrrr gggggg00 bbbbbbbb
mov ebx, eax;
shr ebx, 6;
and ebx, 0x00000300; // 00000000 00000000 000000gg 00000000
or eax, ebx // 00000000 rrrrrrrr gggggggg bbbbbbbb
or eax, 0xff000000; // 11111111 rrrrrrrr gggggggg bbbbbbbb
mov dword ptr [edi], eax;
add edi, 4;
dec ecx;
jnz tc1_loop;
pop edi;
pop esi;
pop ebx;
}
#endif
}
void
TxQuantize::A8_ARGB8888(uint32* src, uint32* dest, int width, int height)
{
#if 1
int siz = (width * height) >> 2;
int i;
for (i = 0; i < siz; i++) {
*dest = (*src & 0x000000ff);
*dest |= (*dest << 8);
*dest |= (*dest << 16);
dest++;
*dest = (*src & 0x0000ff00);
*dest |= (*dest >> 8);
*dest |= (*dest << 16);
dest++;
*dest = (*src & 0x00ff0000);
*dest |= (*dest << 8);
*dest |= (*dest >> 16);
dest++;
*dest = (*src & 0xff000000);
*dest |= (*dest >> 8);
*dest |= (*dest >> 16);
dest++;
src++;
}
#else
int siz = (width * height) >> 2;
__asm {
push ebx;
push esi;
push edi;
mov esi, dword ptr [src];
mov edi, dword ptr [dest];
mov ecx, dword ptr [siz];
tc1_loop:
mov eax, dword ptr [esi];
add esi, 4;
// aaaaaaaa
// aaaaaaaa rrrrrrrr gggggggg bbbbbbbb
mov edx, eax;
and eax, 0x000000ff;
mov ebx, eax; // 00000000 00000000 00000000 aaaaaaaa
shl ebx, 8; // 00000000 00000000 aaaaaaaa 00000000
or eax, ebx; // 00000000 00000000 aaaaaaaa aaaaaaaa
mov ebx, eax;
shl ebx, 16; // aaaaaaaa aaaaaaaa 00000000 00000000
or eax, ebx; // aaaaaaaa rrrrrrrr gggggggg bbbbbbbb
mov dword ptr [edi], eax;
add edi, 4;
mov eax, edx;
and eax, 0x0000ff00;
mov ebx, eax; // 00000000 00000000 aaaaaaaa 00000000
shr ebx, 8; // 00000000 00000000 00000000 aaaaaaaa
or eax, ebx; // 00000000 00000000 aaaaaaaa aaaaaaaa
mov ebx, eax;
shl ebx, 16; // aaaaaaaa aaaaaaaa 00000000 00000000
or eax, ebx; // aaaaaaaa rrrrrrrr gggggggg bbbbbbbb
mov dword ptr [edi], eax;
add edi, 4;
mov eax, edx;
and eax, 0x00ff0000;
mov ebx, eax; // 00000000 aaaaaaaa 00000000 00000000
shl ebx, 8; // aaaaaaaa 00000000 00000000 00000000
or eax, ebx; // aaaaaaaa aaaaaaaa 00000000 00000000
mov ebx, eax;
shr ebx, 16; // 00000000 00000000 aaaaaaaa aaaaaaaa
or eax, ebx; // aaaaaaaa rrrrrrrr gggggggg bbbbbbbb
mov dword ptr [edi], eax;
add edi, 4;
mov eax, edx;
and eax, 0xff000000;
mov ebx, eax; // aaaaaaaa 00000000 00000000 00000000
shr ebx, 8; // 00000000 aaaaaaaa 00000000 00000000
or eax, ebx; // aaaaaaaa aaaaaaaa 00000000 00000000
mov ebx, eax;
shr ebx, 16; // 00000000 00000000 aaaaaaaa aaaaaaaa
or eax, ebx; // aaaaaaaa rrrrrrrr gggggggg bbbbbbbb
mov dword ptr [edi], eax;
add edi, 4;
dec ecx;
jnz tc1_loop;
pop edi;
pop esi;
pop ebx;
}
#endif
}
void
TxQuantize::AI44_ARGB8888(uint32* src, uint32* dest, int width, int height)
{
#if 1
int siz = (width * height) >> 2;
int i;
for (i = 0; i < siz; i++) {
*dest = (*src & 0x0000000f);
*dest |= ((*dest << 8) | (*dest << 16));
*dest |= ((*src & 0x000000f0) << 20);
*dest |= (*dest << 4);
dest++;
*dest = (*src & 0x00000f00);
*dest |= ((*dest << 8) | (*dest >> 8));
*dest |= ((*src & 0x0000f000) << 12);
*dest |= (*dest << 4);
dest++;
*dest = (*src & 0x000f0000);
*dest |= ((*dest >> 8) | (*dest >> 16));
*dest |= ((*src & 0x00f00000) << 4);
*dest |= (*dest << 4);
dest++;
*dest = ((*src & 0x0f000000) >> 4);
*dest |= ((*dest >> 8) | (*dest >> 16));
*dest |= (*src & 0xf0000000);
*dest |= (*dest >> 4);
dest++;
src++;
}
#else
int siz = (width * height) >> 2;
__asm {
push ebx;
push esi;
push edi;
mov esi, dword ptr [src];
mov edi, dword ptr [dest];
mov ecx, dword ptr [siz];
tc1_loop:
mov eax, dword ptr [esi];
add esi, 4;
// aaaaiiii
// aaaaaaaa iiiiiiii iiiiiiii iiiiiiii
mov edx, eax;
and eax, 0x000000f0; // 00000000 00000000 00000000 aaaa0000
mov ebx, edx;
shl eax, 20; // 0000aaaa 00000000 00000000 00000000
and ebx, 0x0000000f; // 00000000 00000000 00000000 0000iiii
or eax, ebx; // 0000aaaa 00000000 00000000 0000iiii
shl ebx, 8; // 00000000 00000000 0000iiii 00000000
or eax, ebx; // 0000aaaa 00000000 0000iiii 0000iiii
shl ebx, 8; // 00000000 0000iiii 00000000 00000000
or eax, ebx; // 0000aaaa 0000iiii 0000iiii 0000iiii
mov ebx, eax;
shl ebx, 4; // aaaa0000 iiii0000 iiii0000 iiii0000
or eax, ebx; // aaaaaaaa iiiiiiii iiiiiiii iiiiiiii
mov dword ptr [edi], eax;
add edi, 4;
mov eax, edx;
and eax, 0x0000f000; // 00000000 00000000 aaaa0000 00000000
mov ebx, edx;
shl eax, 12; // 0000aaaa 00000000 00000000 00000000
and ebx, 0x00000f00; // 00000000 00000000 0000iiii 00000000
or eax, ebx; // 0000aaaa 00000000 0000iiii 00000000
shr ebx, 8; // 00000000 00000000 00000000 0000iiii
or eax, ebx; // 0000aaaa 00000000 0000iiii 0000iiii
shl ebx, 16; // 00000000 0000iiii 00000000 00000000
or eax, ebx; // 0000aaaa 0000iiii 0000iiii 0000iiii
mov ebx, eax;
shl ebx, 4; // aaaa0000 iiii0000 iiii0000 iiii0000
or eax, ebx; // aaaaaaaa iiiiiiii iiiiiiii iiiiiiii
mov dword ptr [edi], eax;
add edi, 4;
mov eax, edx;
and eax, 0x00f00000; // 00000000 aaaa0000 00000000 00000000
mov ebx, edx;
shl eax, 4; // 0000aaaa 00000000 00000000 00000000
and ebx, 0x000f0000; // 00000000 0000iiii 00000000 00000000
or eax, ebx; // 0000aaaa 0000iiii 00000000 00000000
shr ebx, 8; // 00000000 00000000 0000iiii 00000000
or eax, ebx; // 0000aaaa 0000iiii 0000iiii 00000000
shr ebx, 8; // 00000000 00000000 00000000 0000iiii
or eax, ebx; // 0000aaaa 0000iiii 0000iiii 0000iiii
mov ebx, eax;
shl ebx, 4; // aaaa0000 iiii0000 iiii0000 iiii0000
or eax, ebx; // aaaaaaaa iiiiiiii iiiiiiii iiiiiiii
mov dword ptr [edi], eax;
add edi, 4;
mov eax, edx;
and eax, 0xf0000000; // aaaa0000 00000000 00000000 00000000
mov ebx, edx;
and ebx, 0x0f000000; // 0000iiii 00000000 00000000 00000000
shr ebx, 4; // 00000000 iiii0000 00000000 00000000
or eax, ebx; // aaaa0000 iiii0000 00000000 00000000
shr ebx, 8; // 00000000 00000000 iiii0000 00000000
or eax, ebx; // aaaa0000 iiii0000 iiii0000 00000000
shr ebx, 8; // 00000000 00000000 00000000 iiii0000
or eax, ebx; // aaaa0000 iiii0000 iiii0000 iiii0000
mov ebx, eax;
shr ebx, 4; // 0000aaaa 0000iiii 0000iiii 0000iiii
or eax, ebx; // aaaaaaaa iiiiiiii iiiiiiii iiiiiiii
mov dword ptr [edi], eax;
add edi, 4;
dec ecx;
jnz tc1_loop;
pop edi;
pop esi;
pop ebx;
}
#endif
}
void
TxQuantize::AI88_ARGB8888(uint32* src, uint32* dest, int width, int height)
{
#if 1
int siz = (width * height) >> 1;
int i;
for (i = 0; i < siz; i++) {
*dest = (*src & 0x000000ff);
*dest |= ((*dest << 8) | (*dest << 16));
*dest |= ((*src & 0x0000ff00) << 16);
dest++;
*dest = (*src & 0x00ff0000);
*dest |= ((*dest >> 8) | (*dest >> 16));
*dest |= (*src & 0xff000000);
dest++;
src++;
}
#else
int siz = (width * height) >> 1;
__asm {
push ebx;
push esi;
push edi;
mov esi, dword ptr [src];
mov edi, dword ptr [dest];
mov ecx, dword ptr [siz];
tc1_loop:
mov eax, dword ptr [esi];
add esi, 4;
// aaaaaaaa iiiiiiii
// aaaaaaaa iiiiiiii iiiiiiii iiiiiiii
mov edx, eax;
and eax, 0x0000ffff; // 00000000 00000000 aaaaaaaa iiiiiiii
mov ebx, eax; // 00000000 00000000 aaaaaaaa iiiiiiii
shl eax, 16; // aaaaaaaa iiiiiiii 00000000 00000000
and ebx, 0x000000ff; // 00000000 00000000 00000000 iiiiiiii
or eax, ebx; // aaaaaaaa iiiiiiii 00000000 iiiiiiii
shl ebx, 8; // 00000000 00000000 iiiiiiii 00000000
or eax, ebx; // aaaaaaaa iiiiiiii iiiiiiii iiiiiiii
mov dword ptr [edi], eax;
add edi, 4;
mov eax, edx;
and eax, 0xffff0000; // aaaaaaaa iiiiiiii 00000000 00000000
mov ebx, eax; // aaaaaaaa iiiiiiii 00000000 00000000
and ebx, 0x00ff0000; // 00000000 iiiiiiii 00000000 00000000
shr ebx, 8; // 00000000 00000000 iiiiiiii 00000000
or eax, ebx; // aaaaaaaa iiiiiiii iiiiiiii 00000000
shr ebx, 8; // 00000000 00000000 00000000 iiiiiiii
or eax, ebx; // aaaaaaaa iiiiiiii iiiiiiii iiiiiiii
mov dword ptr [edi], eax;
add edi, 4;
dec ecx;
jnz tc1_loop;
pop edi;
pop esi;
pop ebx;
}
#endif
}
void
TxQuantize::ARGB8888_ARGB1555(uint32* src, uint32* dest, int width, int height)
{
#if 1
int siz = (width * height) >> 1;
int i;
for (i = 0; i < siz; i++) {
*dest = ((*src & 0xff000000) ? 0x00008000 : 0x00000000);
*dest |= (((*src & 0x00f80000) >> 9) |
((*src & 0x0000f800) >> 6) |
((*src & 0x000000f8) >> 3));
src++;
*dest |= ((*src & 0xff000000) ? 0x80000000 : 0x00000000);
*dest |= (((*src & 0x00f80000) << 7) |
((*src & 0x0000f800) << 10) |
((*src & 0x000000f8) << 13));
src++;
dest++;
}
#else
int siz = (width * height) >> 1;
__asm {
push ebx;
push esi;
push edi;
mov esi, dword ptr [src];
mov edi, dword ptr [dest];
mov ecx, dword ptr [siz];
tc1_loop:
mov eax, dword ptr [esi];
add esi, 4;
#if 1
mov edx, eax;
and eax, 0xff000000; // aaaa0000 00000000 00000000 00000000
jz transparent1;
mov eax, 0x00008000; // 00000000 00000000 a0000000 00000000
transparent1:
mov ebx, edx;
and ebx, 0x00f80000; // 00000000 rrrrr000 00000000 00000000
shr ebx, 9; // 00000000 00000000 0rrrrr00 00000000
or eax, ebx; // 00000000 00000000 arrrrr00 00000000
mov ebx, edx;
and ebx, 0x0000f800; // 00000000 00000000 ggggg000 00000000
shr ebx, 6; // 00000000 00000000 000000gg ggg00000
or eax, ebx; // 00000000 00000000 arrrrrgg ggg00000
and edx, 0x000000f8; // 00000000 00000000 00000000 bbbbb000
shr edx, 3; // 00000000 00000000 00000000 000bbbbb
or edx, eax; // 00000000 00000000 arrrrrgg gggbbbbb
mov eax, dword ptr [esi];
add esi, 4;
mov ebx, eax;
and eax, 0xff000000; // aaaa0000 00000000 00000000 00000000
jz transparent2;
or edx, 0x80000000; // a0000000 00000000 arrrrrgg gggbbbbb
transparent2:
mov eax, ebx;
and ebx, 0x00f80000; // 00000000 rrrrr000 00000000 00000000
shl ebx, 7; // 0rrrrr00 00000000 00000000 00000000
or edx, ebx; // arrrrr00 00000000 arrrrrgg gggbbbbb
mov ebx, eax;
and ebx, 0x0000f800; // 00000000 00000000 ggggg000 00000000
shl ebx, 10; // 000000gg ggg00000 00000000 00000000
or edx, ebx; // arrrrrgg ggg00000 arrrrrgg gggbbbbb
and eax, 0x000000f8; // 00000000 00000000 00000000 bbbbb000
shl eax, 13; // 00000000 000bbbbb 00000000 00000000
or edx, eax; // arrrrrgg gggbbbbb arrrrrgg gggbbbbb
mov dword ptr [edi], edx;
add edi, 4;
#else
mov edx, eax;
and edx, 0x01000000; // 0000000a 00000000 00000000 00000000
shr edx, 9; // 00000000 00000000 a0000000 00000000
mov ebx, eax;
and ebx, 0x00f80000; // 00000000 rrrrr000 00000000 00000000
shr ebx, 9; // 00000000 00000000 0rrrrr00 00000000
or edx, ebx; // 00000000 00000000 arrrrr00 00000000
mov ebx, eax;
and ebx, 0x0000f800; // 00000000 00000000 ggggg000 00000000
shr ebx, 6; // 00000000 00000000 000000gg ggg00000
or edx, ebx; // 00000000 00000000 arrrrrgg ggg00000
and eax, 0x000000f8; // 00000000 00000000 00000000 bbbbb000
shr eax, 3; // 00000000 00000000 00000000 000bbbbb
or edx, eax; // 00000000 00000000 arrrrrgg gggbbbbb
mov eax, dword ptr [esi];
add esi, 4;
mov ebx, eax;
and ebx, 0x80000000; // a0000000 00000000 00000000 00000000
or edx, ebx; // a0000000 00000000 arrrrrgg gggbbbbb
mov ebx, eax;
and ebx, 0x00f80000; // 00000000 rrrrr000 00000000 00000000
shl ebx, 7; // 0rrrrr00 00000000 00000000 00000000
or edx, ebx; // arrrrr00 00000000 arrrrrgg gggbbbbb
mov ebx, eax;
and ebx, 0x0000f800; // 00000000 00000000 ggggg000 00000000
shl ebx, 10; // 000000gg ggg00000 00000000 00000000
or edx, ebx; // arrrrrgg ggg00000 arrrrrgg gggbbbbb
and eax, 0x000000f8; // 00000000 00000000 00000000 bbbbb000
shl eax, 13; // 00000000 000bbbbb 00000000 00000000
or edx, eax; // arrrrrgg gggbbbbb arrrrrgg gggbbbbb
mov dword ptr [edi], edx;
add edi, 4;
#endif
dec ecx;
jnz tc1_loop;
pop edi;
pop esi;
pop ebx;
}
#endif
}
void
TxQuantize::ARGB8888_ARGB4444(uint32* src, uint32* dest, int width, int height)
{
#if 1
int siz = (width * height) >> 1;
int i;
for (i = 0; i < siz; i++) {
*dest = (((*src & 0xf0000000) >> 16) |
((*src & 0x00f00000) >> 12) |
((*src & 0x0000f000) >> 8) |
((*src & 0x000000f0) >> 4));
src++;
*dest |= ((*src & 0xf0000000) |
((*src & 0x00f00000) << 4) |
((*src & 0x0000f000) << 8) |
((*src & 0x000000f0) << 12));
src++;
dest++;
}
#else
int siz = (width * height) >> 1;
__asm {
push ebx;
push esi;
push edi;
mov esi, dword ptr [src];
mov edi, dword ptr [dest];
mov ecx, dword ptr [siz];
tc1_loop:
mov eax, dword ptr [esi];
add esi, 4;
mov edx, eax;
and edx, 0xf0000000; // aaaa0000 00000000 00000000 00000000
shr edx, 16; // 00000000 00000000 aaaa0000 00000000
mov ebx, eax;
and ebx, 0x00f00000; // 00000000 rrrr0000 00000000 00000000
shr ebx, 12; // 00000000 00000000 0000rrrr 00000000
or edx, ebx; // 00000000 00000000 aaaarrrr 00000000
mov ebx, eax;
and ebx, 0x0000f000; // 00000000 00000000 gggg0000 00000000
shr ebx, 8; // 00000000 00000000 00000000 gggg0000
or edx, ebx; // 00000000 00000000 aaaarrrr gggg0000
and eax, 0x000000f0; // 00000000 00000000 00000000 bbbb0000
shr eax, 4; // 00000000 00000000 00000000 0000bbbb
or edx, eax; // 00000000 00000000 aaaarrrr ggggbbbb
mov eax, dword ptr [esi];
add esi, 4;
mov ebx, eax;
and ebx, 0xf0000000; // aaaa0000 00000000 00000000 00000000
or edx, ebx; // aaaa0000 00000000 aaaarrrr ggggbbbb
mov ebx, eax;
and ebx, 0x00f00000; // 00000000 rrrr0000 00000000 00000000
shl ebx, 4; // 0000rrrr 00000000 00000000 00000000
or edx, ebx; // aaaarrrr 00000000 aaaarrrr ggggbbbb
mov ebx, eax;
and ebx, 0x0000f000; // 00000000 00000000 gggg0000 00000000
shl ebx, 8; // 00000000 gggg0000 00000000 00000000
or edx, ebx; // aaaarrrr gggg0000 aaaarrrr ggggbbbb
and eax, 0x000000f0; // 00000000 00000000 00000000 bbbb0000
shl eax, 12; // 00000000 0000bbbb 00000000 00000000
or edx, eax; // arrrrrgg ggggbbbb aaaarrrr ggggbbbb
mov dword ptr [edi], edx;
add edi, 4;
dec ecx;
jnz tc1_loop;
pop edi;
pop esi;
pop ebx;
}
#endif
}
void
TxQuantize::ARGB8888_RGB565(uint32* src, uint32* dest, int width, int height)
{
#if 1
int siz = (width * height) >> 1;
int i;
for (i = 0; i < siz; i++) {
*dest = (((*src & 0x000000f8) >> 3) |
((*src & 0x0000fc00) >> 5) |
((*src & 0x00f80000) >> 8));
src++;
*dest |= (((*src & 0x000000f8) << 13) |
((*src & 0x0000fc00) << 11) |
((*src & 0x00f80000) << 8));
src++;
dest++;
}
#else
int siz = (width * height) >> 1;
__asm {
push ebx;
push esi;
push edi;
mov esi, dword ptr [src];
mov edi, dword ptr [dest];
mov ecx, dword ptr [siz];
tc1_loop:
mov eax, dword ptr [esi];
add esi, 4;
mov edx, eax;
and edx, 0x000000F8; // 00000000 00000000 00000000 bbbbb000
shr edx, 3; // 00000000 00000000 00000000 000bbbbb
mov ebx, eax;
and ebx, 0x0000FC00; // 00000000 00000000 gggggg00 00000000
shr ebx, 5; // 00000000 00000000 00000ggg ggg00000
or edx, ebx; // 00000000 00000000 00000ggg gggbbbbb
mov ebx, eax;
and ebx, 0x00F80000; // 00000000 rrrrr000 00000000 00000000
shr ebx, 8; // 00000000 00000000 rrrrr000 00000000
or edx, ebx; // 00000000 00000000 rrrrrggg gggbbbbb
mov eax, dword ptr [esi];
add esi, 4;
mov ebx, eax;
and ebx, 0x000000F8; // 00000000 00000000 00000000 bbbbb000
shl ebx, 13; // 00000000 000bbbbb 00000000 00000000
or edx, ebx; // 00000000 000bbbbb rrrrrggg gggbbbbb
mov ebx, eax;
and ebx, 0x0000FC00; // 00000000 00000000 gggggg00 00000000
shl ebx, 11; // 00000ggg ggg00000 00000000 00000000
or edx, ebx; // 00000ggg gggbbbbb rrrrrggg gggbbbbb
mov ebx, eax;
and ebx, 0x00F80000; // 00000000 rrrrr000 00000000 00000000
shl ebx, 8; // rrrrr000 00000000 00000000 00000000
or edx, ebx; // rrrrrggg gggbbbbb rrrrrggg gggbbbbb
mov dword ptr [edi], edx;
add edi, 4;
dec ecx;
jnz tc1_loop;
pop edi;
pop esi;
pop ebx;
}
#endif
}
void
TxQuantize::ARGB8888_A8(uint32* src, uint32* dest, int width, int height)
{
#if 1
int siz = (width * height) >> 2;
int i;
for (i = 0; i < siz; i++) {
*dest = (*src & 0x0000ff00) >> 8;
src++;
*dest |= (*src & 0x0000ff00);
src++;
*dest |= ((*src & 0x0000ff00) << 8);
src++;
*dest |= ((*src & 0x0000ff00) << 16);
src++;
dest++;
}
#else
int siz = (width * height) >> 2;
__asm {
push ebx;
push esi;
push edi;
mov esi, dword ptr [src];
mov edi, dword ptr [dest];
mov ecx, dword ptr [siz];
tc1_loop:
mov eax, dword ptr [esi];
add esi, 4;
#if 0
mov edx, eax; // we'll use A comp for every pixel
and edx, 0xFF000000; // aaaaaaaa 00000000 00000000 00000000
shr edx, 24; // 00000000 00000000 00000000 aaaaaaaa
mov eax, dword ptr [esi];
add esi, 4;
and eax, 0xFF000000; // aaaaaaaa 00000000 00000000 00000000
shr eax, 16; // 00000000 00000000 aaaaaaaa 00000000
or edx, eax; // 00000000 00000000 aaaaaaaa aaaaaaaa
mov eax, dword ptr [esi];
add esi, 4;
and eax, 0xFF000000; // aaaaaaaa 00000000 00000000 00000000
shr eax, 8; // 00000000 aaaaaaaa 00000000 00000000
or edx, eax; // 00000000 aaaaaaaa aaaaaaaa aaaaaaaa
mov eax, dword ptr [esi];
add esi, 4;
and eax, 0xFF000000; // aaaaaaaa 00000000 00000000 00000000
or edx, eax; // aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa
#endif
#if 1
mov edx, eax; // we'll use G comp for every pixel
and edx, 0x0000FF00; // 00000000 00000000 aaaaaaaa 00000000
shr edx, 8; // 00000000 00000000 00000000 aaaaaaaa
mov eax, dword ptr [esi];
add esi, 4;
and eax, 0x0000FF00; // 00000000 00000000 aaaaaaaa 00000000
or edx, eax; // 00000000 00000000 aaaaaaaa aaaaaaaa
mov eax, dword ptr [esi];
add esi, 4;
and eax, 0x0000FF00; // 00000000 00000000 aaaaaaaa 00000000
shl eax, 8; // 00000000 aaaaaaaa 00000000 00000000
or edx, eax; // 00000000 aaaaaaaa aaaaaaaa aaaaaaaa
mov eax, dword ptr [esi];
add esi, 4;
and eax, 0x0000FF00; // 00000000 00000000 aaaaaaaa 00000000
shl eax, 16; // aaaaaaaa 00000000 00000000 00000000
or edx, eax; // aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa
#endif
#if 0
mov edx, eax;
and edx, 0x000000FF; // 00000000 00000000 00000000 aaaaaaaa
mov eax, dword ptr [esi];
add esi, 4;
and eax, 0x0000FF00; // 00000000 00000000 aaaaaaaa 00000000
or edx, eax; // 00000000 00000000 aaaaaaaa aaaaaaaa
mov eax, dword ptr [esi];
add esi, 4;
and eax, 0x00FF0000; // 00000000 aaaaaaaa 00000000 00000000
or edx, eax; // 00000000 aaaaaaaa aaaaaaaa aaaaaaaa
mov eax, dword ptr [esi];
add esi, 4;
and eax, 0xFF000000; // aaaaaaaa 00000000 00000000 00000000
or edx, eax; // aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa
#endif
mov dword ptr [edi], edx;
add edi, 4;
dec ecx;
jnz tc1_loop;
pop edi;
pop esi;
pop ebx;
}
#endif
}
void
TxQuantize::ARGB8888_AI44(uint32* src, uint32* dest, int width, int height)
{
#if 1
int siz = (width * height) >> 2;
int i;
for (i = 0; i < siz; i++) {
*dest = (((*src & 0xf0000000) >> 24) | ((*src & 0x0000f000) >> 12));
src++;
*dest |= (((*src & 0xf0000000) >> 16) | ((*src & 0x0000f000) >> 4));
src++;
*dest |= (((*src & 0xf0000000) >> 8) | ((*src & 0x0000f000) << 4));
src++;
*dest |= ((*src & 0xf0000000) | ((*src & 0x0000f000) << 12));
src++;
dest++;
}
#else
int siz = (width * height) >> 2;
__asm {
push ebx;
push esi;
push edi;
mov esi, dword ptr [src];
mov edi, dword ptr [dest];
mov ecx, dword ptr [siz];
tc1_loop:
mov eax, dword ptr [esi];
add esi, 4;
mov edx, eax; // use A and G comps MSB
and edx, 0xF0000000; // aaaa0000 00000000 00000000 00000000
mov ebx, eax;
shr edx, 24; // 00000000 00000000 00000000 aaaa0000
and ebx, 0x0000F000; // 00000000 00000000 iiii0000 00000000
shr ebx, 12; // 00000000 00000000 00000000 0000iiii
or edx, ebx; // 00000000 00000000 00000000 aaaaiiii
mov eax, dword ptr [esi];
add esi, 4;
mov ebx, eax;
and eax, 0xF0000000; // aaaa0000 00000000 00000000 00000000
shr eax, 16; // 00000000 00000000 aaaa0000 00000000
and ebx, 0x0000F000; // 00000000 00000000 iiii0000 00000000
shr ebx, 4; // 00000000 00000000 0000iiii 00000000
or eax, ebx; // 00000000 00000000 aaaaiiii 00000000
or edx, eax; // 00000000 00000000 aaaaiiii aaaaiiii
mov eax, dword ptr [esi];
add esi, 4;
mov ebx, eax;
and eax, 0xF0000000; // aaaa0000 00000000 00000000 00000000
shr eax, 8; // 00000000 aaaa0000 00000000 00000000
and ebx, 0x0000F000; // 00000000 00000000 iiii0000 00000000
shl ebx, 4; // 00000000 0000iiii 00000000 00000000
or eax, ebx; // 00000000 aaaaiiii 00000000 00000000
or edx, eax; // 00000000 aaaaiiii aaaaiiii aaaaiiii
mov eax, dword ptr [esi];
add esi, 4;
mov ebx, eax;
and eax, 0xF0000000; // aaaa0000 00000000 00000000 00000000
and ebx, 0x0000F000; // 00000000 00000000 iiii0000 00000000
shl ebx, 12; // 0000iiii 00000000 00000000 00000000
or eax, ebx; // aaaaiiii 00000000 00000000 00000000
or edx, eax; // aaaaiiii aaaaiiii aaaaiiii aaaaiiii
mov dword ptr [edi], edx;
add edi, 4;
dec ecx;
jnz tc1_loop;
pop edi;
pop esi;
pop ebx;
}
#endif
}
void
TxQuantize::ARGB8888_AI88(uint32* src, uint32* dest, int width, int height)
{
#if 1
int siz = (width * height) >> 1;
int i;
for (i = 0; i < siz; i++) {
*dest = (((*src & 0xff000000) >> 16) | ((*src & 0x0000ff00) >> 8));
src++;
*dest |= ((*src & 0xff000000) | ((*src & 0x0000ff00) << 8));
src++;
dest++;
}
#else
int siz = (width * height) >> 1;
__asm {
push ebx;
push esi;
push edi;
mov esi, dword ptr [src];
mov edi, dword ptr [dest];
mov ecx, dword ptr [siz];
tc1_loop:
mov eax, dword ptr [esi];
add esi, 4;
mov edx, eax;
and edx, 0xFF000000; // aaaaaaaa 00000000 00000000 00000000
mov ebx, eax;
shr edx, 16; // 00000000 00000000 aaaaaaaa 00000000
and ebx, 0x0000FF00; // 00000000 00000000 iiiiiiii 00000000
shr ebx, 8; // 00000000 00000000 00000000 iiiiiiii
or edx, ebx; // 00000000 00000000 aaaaaaaa iiiiiiii
mov eax, dword ptr [esi];
add esi, 4;
mov ebx, eax;
and eax, 0xFF000000; // aaaaaaaa 00000000 00000000 00000000
and ebx, 0x0000FF00; // 00000000 00000000 iiiiiiii 00000000
shl ebx, 8; // 00000000 iiiiiiii 00000000 00000000
or eax, ebx; // aaaaaaaa iiiiiiii 00000000 00000000
or edx, eax; // aaaaaaaa iiiiiiii aaaaaaaa iiiiiiii
mov dword ptr [edi], edx;
add edi, 4;
dec ecx;
jnz tc1_loop;
pop edi;
pop esi;
pop ebx;
}
#endif
}
/* R.W. Floyd and L. Steinberg, An adaptive algorithm
* for spatial grey scale, Proceedings of the Society
* of Information Display 17, pp75-77, 1976
*/
void
TxQuantize::ARGB8888_RGB565_ErrD(uint32* src, uint32* dst, int width, int height)
{
/* Floyd-Steinberg error-diffusion halftoning */
int i, x, y;
int qr, qg, qb; /* quantized incoming values */
int ir, ig, ib; /* incoming values */
int t;
int *errR = new int[width];
int *errG = new int[width];
int *errB = new int[width];
uint16 *dest = (uint16 *)dst;
for (i = 0; i < width; i++) errR[i] = errG[i] = errB[i] = 0;
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) {
/* incoming pixel values */
ir = ((*src >> 16) & 0xFF) * 10000;
ig = ((*src >> 8) & 0xFF) * 10000;
ib = ((*src ) & 0xFF) * 10000;
if (x == 0) qr = qg = qb = 0;
/* quantize pixel values.
* qr * 0.4375 is the error from the pixel to the left,
* errR is the error from the pixel to the top, top left, and top right */
/* qr * 0.4375 is the error distribution to the EAST in
* the previous loop */
ir += errR[x] + qr * 4375 / 10000;
ig += errG[x] + qg * 4375 / 10000;
ib += errB[x] + qb * 4375 / 10000;
/* error distribution to the SOUTH-EAST in the previous loop
* can't calculate in the previous loop because it steps on
* the above quantization */
errR[x] = qr * 625 / 10000;
errG[x] = qg * 625 / 10000;
errB[x] = qb * 625 / 10000;
qr = ir;
qg = ig;
qb = ib;
/* clamp */
if (qr < 0) qr = 0; else if (qr > 2550000) qr = 2550000;
if (qg < 0) qg = 0; else if (qg > 2550000) qg = 2550000;
if (qb < 0) qb = 0; else if (qb > 2550000) qb = 2550000;
/* convert to RGB565 */
qr = qr * 0x1F / 2550000;
qg = qg * 0x3F / 2550000;
qb = qb * 0x1F / 2550000;
/* this is the dithered pixel */
t = (qr << 11) | (qg << 5) | qb;
/* compute the errors */
qr = ((qr << 3) | (qr >> 2)) * 10000;
qg = ((qg << 2) | (qg >> 4)) * 10000;
qb = ((qb << 3) | (qb >> 2)) * 10000;
qr = ir - qr;
qg = ig - qg;
qb = ib - qb;
/* compute the error distributions */
/* Floyd-Steinberg filter
* 7/16 (=0.4375) to the EAST
* 5/16 (=0.3125) to the SOUTH
* 1/16 (=0.0625) to the SOUTH-EAST
* 3/16 (=0.1875) to the SOUTH-WEST
*
* x 7/16
* 3/16 5/16 1/16
*/
/* SOUTH-WEST */
if (x > 1) {
errR[x - 1] += qr * 1875 / 10000;
errG[x - 1] += qg * 1875 / 10000;
errB[x - 1] += qb * 1875 / 10000;
}
/* SOUTH */
errR[x] += qr * 3125 / 10000;
errG[x] += qg * 3125 / 10000;
errB[x] += qb * 3125 / 10000;
*dest = (t & 0xFFFF);
dest++;
src++;
}
}
delete [] errR;
delete [] errG;
delete [] errB;
}
void
TxQuantize::ARGB8888_ARGB1555_ErrD(uint32* src, uint32* dst, int width, int height)
{
/* Floyd-Steinberg error-diffusion halftoning */
int i, x, y;
int qr, qg, qb; /* quantized incoming values */
int ir, ig, ib; /* incoming values */
int t;
int *errR = new int[width];
int *errG = new int[width];
int *errB = new int[width];
uint16 *dest = (uint16 *)dst;
for (i = 0; i < width; i++) errR[i] = errG[i] = errB[i] = 0;
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) {
/* incoming pixel values */
ir = ((*src >> 16) & 0xFF) * 10000;
ig = ((*src >> 8) & 0xFF) * 10000;
ib = ((*src ) & 0xFF) * 10000;
if (x == 0) qr = qg = qb = 0;
/* quantize pixel values.
* qr * 0.4375 is the error from the pixel to the left,
* errR is the error from the pixel to the top, top left, and top right */
/* qr * 0.4375 is the error distribution to the EAST in
* the previous loop */
ir += errR[x] + qr * 4375 / 10000;
ig += errG[x] + qg * 4375 / 10000;
ib += errB[x] + qb * 4375 / 10000;
/* error distribution to the SOUTH-EAST of the previous loop.
* cannot calculate in the previous loop because it steps on
* the above quantization */
errR[x] = qr * 625 / 10000;
errG[x] = qg * 625 / 10000;
errB[x] = qb * 625 / 10000;
qr = ir;
qg = ig;
qb = ib;
/* clamp */
if (qr < 0) qr = 0; else if (qr > 2550000) qr = 2550000;
if (qg < 0) qg = 0; else if (qg > 2550000) qg = 2550000;
if (qb < 0) qb = 0; else if (qb > 2550000) qb = 2550000;
/* convert to RGB555 */
qr = qr * 0x1F / 2550000;
qg = qg * 0x1F / 2550000;
qb = qb * 0x1F / 2550000;
/* this is the dithered pixel */
t = (qr << 10) | (qg << 5) | qb;
t |= ((*src >> 24) ? 0x8000 : 0);
/* compute the errors */
qr = ((qr << 3) | (qr >> 2)) * 10000;
qg = ((qg << 3) | (qg >> 2)) * 10000;
qb = ((qb << 3) | (qb >> 2)) * 10000;
qr = ir - qr;
qg = ig - qg;
qb = ib - qb;
/* compute the error distributions */
/* Floyd-Steinberg filter
* 7/16 (=0.4375) to the EAST
* 5/16 (=0.3125) to the SOUTH
* 1/16 (=0.0625) to the SOUTH-EAST
* 3/16 (=0.1875) to the SOUTH-WEST
*
* x 7/16
* 3/16 5/16 1/16
*/
/* SOUTH-WEST */
if (x > 1) {
errR[x - 1] += qr * 1875 / 10000;
errG[x - 1] += qg * 1875 / 10000;
errB[x - 1] += qb * 1875 / 10000;
}
/* SOUTH */
errR[x] += qr * 3125 / 10000;
errG[x] += qg * 3125 / 10000;
errB[x] += qb * 3125 / 10000;
*dest = (t & 0xFFFF);
dest++;
src++;
}
}
delete [] errR;
delete [] errG;
delete [] errB;
}
void
TxQuantize::ARGB8888_ARGB4444_ErrD(uint32* src, uint32* dst, int width, int height)
{
/* Floyd-Steinberg error-diffusion halftoning */
/* NOTE: alpha dithering looks better for alpha gradients, but are prone
* to producing noisy speckles for constant or step level alpha. Output
* results should always be checked.
*/
boolean ditherAlpha = 0;
int i, x, y;
int qr, qg, qb, qa; /* quantized incoming values */
int ir, ig, ib, ia; /* incoming values */
int t;
int *errR = new int[width];
int *errG = new int[width];
int *errB = new int[width];
int *errA = new int[width];
uint16 *dest = (uint16 *)dst;
for (i = 0; i < width; i++) errR[i] = errG[i] = errB[i] = errA[i] = 0;
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) {
/* incoming pixel values */
ir = ((*src >> 16) & 0xFF) * 10000;
ig = ((*src >> 8) & 0xFF) * 10000;
ib = ((*src ) & 0xFF) * 10000;
ia = ((*src >> 24) & 0xFF) * 10000;
if (x == 0) qr = qg = qb = qa = 0;
/* quantize pixel values.
* qr * 0.4375 is the error from the pixel to the left,
* errR is the error from the pixel to the top, top left, and top right */
/* qr * 0.4375 is the error distribution to the EAST in
* the previous loop */
ir += errR[x] + qr * 4375 / 10000;
ig += errG[x] + qg * 4375 / 10000;
ib += errB[x] + qb * 4375 / 10000;
ia += errA[x] + qa * 4375 / 10000;
/* error distribution to the SOUTH-EAST of the previous loop.
* cannot calculate in the previous loop because it steps on
* the above quantization */
errR[x] = qr * 625 / 10000;
errG[x] = qg * 625 / 10000;
errB[x] = qb * 625 / 10000;
errA[x] = qa * 625 / 10000;
qr = ir;
qg = ig;
qb = ib;
qa = ia;
/* clamp */
if (qr < 0) qr = 0; else if (qr > 2550000) qr = 2550000;
if (qg < 0) qg = 0; else if (qg > 2550000) qg = 2550000;
if (qb < 0) qb = 0; else if (qb > 2550000) qb = 2550000;
if (qa < 0) qa = 0; else if (qa > 2550000) qa = 2550000;
/* convert to RGB444 */
qr = qr * 0xF / 2550000;
qg = qg * 0xF / 2550000;
qb = qb * 0xF / 2550000;
qa = qa * 0xF / 2550000;
/* this is the value to be returned */
if (ditherAlpha) {
t = (qa << 12) | (qr << 8) | (qg << 4) | qb;
} else {
t = (qr << 8) | (qg << 4) | qb;
t |= (*src >> 16) & 0xF000;
}
/* compute the errors */
qr = ((qr << 4) | qr) * 10000;
qg = ((qg << 4) | qg) * 10000;
qb = ((qb << 4) | qb) * 10000;
qa = ((qa << 4) | qa) * 10000;
qr = ir - qr;
qg = ig - qg;
qb = ib - qb;
qa = ia - qa;
/* compute the error distributions */
/* Floyd-Steinberg filter
* 7/16 (=0.4375) to the EAST
* 5/16 (=0.3125) to the SOUTH
* 1/16 (=0.0625) to the SOUTH-EAST
* 3/16 (=0.1875) to the SOUTH-WEST
*
* x 7/16
* 3/16 5/16 1/16
*/
/* SOUTH-WEST */
if (x > 1) {
errR[x - 1] += qr * 1875 / 10000;
errG[x - 1] += qg * 1875 / 10000;
errB[x - 1] += qb * 1875 / 10000;
errA[x - 1] += qa * 1875 / 10000;
}
/* SOUTH */
errR[x] += qr * 3125 / 10000;
errG[x] += qg * 3125 / 10000;
errB[x] += qb * 3125 / 10000;
errA[x] += qa * 3125 / 10000;
*dest = (t & 0xFFFF);
dest++;
src++;
}
}
delete [] errR;
delete [] errG;
delete [] errB;
delete [] errA;
}
void
TxQuantize::ARGB8888_AI44_ErrD(uint32* src, uint32* dst, int width, int height)
{
/* Floyd-Steinberg error-diffusion halftoning */
/* NOTE: alpha dithering looks better for alpha gradients, but are prone
* to producing noisy speckles for constant or step level alpha. Output
* results should always be checked.
*/
boolean ditherAlpha = 0;
int i, x, y;
int qi, qa; /* quantized incoming values */
int ii, ia; /* incoming values */
int t;
int *errI = new int[width];
int *errA = new int[width];
uint8 *dest = (uint8 *)dst;
for (i = 0; i < width; i++) errI[i] = errA[i] = 0;
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) {
/* 3dfx style Intensity = R * 0.299 + G * 0.587 + B * 0.114 */
ii = ((*src >> 16) & 0xFF) * 2990 +
((*src >> 8) & 0xFF) * 5870 +
((*src ) & 0xFF) * 1140;
ia = ((*src >> 24) & 0xFF) * 10000;
if (x == 0) qi = qa = 0;
/* quantize pixel values.
* qi * 0.4375 is the error from the pixel to the left,
* errI is the error from the pixel to the top, top left, and top right */
/* qi * 0.4375 is the error distrtibution to the EAST in
* the previous loop */
ii += errI[x] + qi * 4375 / 10000;
ia += errA[x] + qa * 4375 / 10000;
/* error distribution to the SOUTH-EAST in the previous loop.
* cannot calculate in the previous loop because it steps on
* the above quantization */
errI[x] = qi * 625 / 10000;
errA[x] = qa * 625 / 10000;
qi = ii;
qa = ia;
/* clamp */
if (qi < 0) qi = 0; else if (qi > 2550000) qi = 2550000;
if (qa < 0) qa = 0; else if (qa > 2550000) qa = 2550000;
/* convert to I4 */
qi = qi * 0xF / 2550000;
qa = qa * 0xF / 2550000;
/* this is the value to be returned */
if (ditherAlpha) {
t = (qa << 4) | qi;
} else {
t = qi;
t |= ((*src >> 24) & 0xF0);
}
/* compute the errors */
qi = ((qi << 4) | qi) * 10000;
qa = ((qa << 4) | qa) * 10000;
qi = ii - qi;
qa = ia - qa;
/* compute the error distributions */
/* Floyd-Steinberg filter
* 7/16 (=0.4375) to the EAST
* 5/16 (=0.3125) to the SOUTH
* 1/16 (=0.0625) to the SOUTH-EAST
* 3/16 (=0.1875) to the SOUTH-WEST
*
* x 7/16
* 3/16 5/16 1/16
*/
/* SOUTH-WEST */
if (x > 1) {
errI[x - 1] += qi * 1875 / 10000;
errA[x - 1] += qa * 1875 / 10000;
}
/* SOUTH */
errI[x] += qi * 3125 / 10000;
errA[x] += qa * 3125 / 10000;
*dest = t & 0xFF;
dest++;
src++;
}
}
delete [] errI;
delete [] errA;
}
void
TxQuantize::ARGB8888_AI88_Slow(uint32* src, uint32* dst, int width, int height)
{
int x, y;
uint16 *dest = (uint16 *)dst;
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) {
#if 1
/* libpng style grayscale conversion.
* Reduce RGB files to grayscale with or without alpha
* using the equation given in Poynton's ColorFAQ at
* <http://www.inforamp.net/~poynton/>
* Copyright (c) 1998-01-04 Charles Poynton poynton at inforamp.net
*
* Y = 0.212671 * R + 0.715160 * G + 0.072169 * B
*
* We approximate this with
*
* Y = 0.21268 * R + 0.7151 * G + 0.07217 * B
*
* which can be expressed with integers as
*
* Y = (6969 * R + 23434 * G + 2365 * B)/32768
*
* The calculation is to be done in a linear colorspace.
*/
*dest = (((int)((((*src >> 16) & 0xFF) * 6969 +
((*src >> 8) & 0xFF) * 23434 +
((*src ) & 0xFF) * 2365) / 32768) & 0xFF) |
(uint16)((*src >> 16) & 0xFF00));
#else
/* 3dfx style Intensity = R * 0.299 + G * 0.587 + B * 0.114
* this is same as the standard NTSC gray scale conversion. */
*dest = (((int)((((*src >> 16) & 0xFF) * 299 +
((*src >> 8) & 0xFF) * 587 +
((*src ) & 0xFF) * 114) / 1000) & 0xFF) |
(uint16)((*src >> 16) & 0xFF00));
#endif
dest++;
src++;
}
}
}
void
TxQuantize::ARGB8888_I8_Slow(uint32* src, uint32* dst, int width, int height)
{
int x, y;
uint8 *dest = (uint8 *)dst;
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) {
#if 1
/* libpng style Intensity = (6969 * R + 23434 * G + 2365 * B)/32768 */
*dest = (int)((((*src >> 16) & 0xFF) * 6969 +
((*src >> 8) & 0xFF) * 23434 +
((*src ) & 0xFF) * 2365) / 32768) & 0xFF;
#else
/* 3dfx style Intensity = R * 0.299 + G * 0.587 + B * 0.114
* this is same as the standard NTSC gray scale conversion. */
*dest = (int)((((*src >>16) & 0xFF) * 299 +
((*src >> 8) & 0xFF) * 587 +
((*src ) & 0xFF) * 114) / 1000) & 0xFF;
#endif
dest++;
src++;
}
}
}
void
TxQuantize::P8_16BPP(uint32* src, uint32* dest, int width, int height, uint32* palette)
{
/* passed in palette is RGBA5551 format */
#if 1
int i;
int size = width * height;
for (i = 0; i < size; i++) {
((uint16*)dest)[i] = ((uint16*)palette)[(int)(((uint8*)src)[i])];
((uint16*)dest)[i] = ((((uint16*)dest)[i] << 15) | (((uint16*)dest)[i] >> 1));
}
#else
/* not finished yet... */
int siz = (width * height) >> 2;
__asm {
push ebx;
push esi;
push edi;
mov esi, dword ptr [src];
mov edi, dword ptr [dest];
mov ecx, dword ptr [siz];
mov edx, dword ptr [palette];
tc1_loop:
mov eax, dword ptr [esi];
add esi, 4;
dec ecx;
jnz tc1_loop;
pop edi;
pop esi;
pop ebx;
}
#endif
}
boolean
TxQuantize::quantize(uint8* src, uint8* dest, int width, int height, uint16 srcformat, uint16 destformat, boolean fastQuantizer)
{
typedef void (TxQuantize::*quantizerFunc)(uint32* src, uint32* dest, int width, int height);
quantizerFunc quantizer;
int bpp_shift = 0;
if (destformat == GR_TEXFMT_ARGB_8888) {
switch (srcformat) {
case GR_TEXFMT_ARGB_1555:
quantizer = &TxQuantize::ARGB1555_ARGB8888;
bpp_shift = 1;
break;
case GR_TEXFMT_ARGB_4444:
quantizer = &TxQuantize::ARGB4444_ARGB8888;
bpp_shift = 1;
break;
case GR_TEXFMT_RGB_565:
quantizer = &TxQuantize::RGB565_ARGB8888;
bpp_shift = 1;
break;
case GR_TEXFMT_ALPHA_8:
quantizer = &TxQuantize::A8_ARGB8888;
bpp_shift = 2;
break;
case GR_TEXFMT_ALPHA_INTENSITY_44:
quantizer = &TxQuantize::AI44_ARGB8888;
bpp_shift = 2;
break;
case GR_TEXFMT_ALPHA_INTENSITY_88:
quantizer = &TxQuantize::AI88_ARGB8888;
bpp_shift = 1;
break;
default:
return 0;
}
unsigned int numcore = _numcore;
unsigned int blkrow = 0;
while (numcore > 1 && blkrow == 0) {
blkrow = (height >> 2) / numcore;
numcore--;
}
(*this.*quantizer)((uint32*)src, (uint32*)dest, width, height);
} else if (srcformat == GR_TEXFMT_ARGB_8888) {
switch (destformat) {
case GR_TEXFMT_ARGB_1555:
quantizer = fastQuantizer ? &TxQuantize::ARGB8888_ARGB1555 : &TxQuantize::ARGB8888_ARGB1555_ErrD;
bpp_shift = 1;
break;
case GR_TEXFMT_ARGB_4444:
quantizer = fastQuantizer ? &TxQuantize::ARGB8888_ARGB4444 : &TxQuantize::ARGB8888_ARGB4444_ErrD;
bpp_shift = 1;
break;
case GR_TEXFMT_RGB_565:
quantizer = fastQuantizer ? &TxQuantize::ARGB8888_RGB565 : &TxQuantize::ARGB8888_RGB565_ErrD;
bpp_shift = 1;
break;
case GR_TEXFMT_ALPHA_8:
case GR_TEXFMT_INTENSITY_8:
quantizer = fastQuantizer ? &TxQuantize::ARGB8888_A8 : &TxQuantize::ARGB8888_I8_Slow;
bpp_shift = 2;
break;
case GR_TEXFMT_ALPHA_INTENSITY_44:
quantizer = fastQuantizer ? &TxQuantize::ARGB8888_AI44 : &TxQuantize::ARGB8888_AI44_ErrD;
bpp_shift = 2;
break;
case GR_TEXFMT_ALPHA_INTENSITY_88:
quantizer = fastQuantizer ? &TxQuantize::ARGB8888_AI88 : &TxQuantize::ARGB8888_AI88_Slow;
bpp_shift = 1;
break;
default:
return 0;
}
(*this.*quantizer)((uint32*)src, (uint32*)dest, width, height);
} else {
return 0;
}
return 1;
}
boolean
TxQuantize::FXT1(uint8 *src, uint8 *dest,
int srcwidth, int srcheight, uint16 srcformat,
int *destwidth, int *destheight, uint16 *destformat)
{
/*
* NOTE: src must be in ARGB8888 format, srcformat describes
* the closest 16bbp representation of src.
*
* NOTE: I have modified the dxtn library to use ARGB format
* which originaly was ABGR format.
*/
boolean bRet = 0;
if (_tx_compress_fxt1 &&
srcwidth >= 8 && srcheight >= 4) {
/* compress to fxt1
* width and height must be larger than 8 and 4 respectively
*/
int dstRowStride = ((srcwidth + 7) & ~7) << 1;
int srcRowStride = (srcwidth << 2);
unsigned int numcore = _numcore;
unsigned int blkrow = 0;
while (numcore > 1 && blkrow == 0) {
blkrow = (srcheight >> 2) / numcore;
numcore--;
}
(*_tx_compress_fxt1)(srcwidth, /* width */
srcheight, /* height */
4, /* comps: ARGB8888=4, RGB888=3 */
src, /* source */
srcRowStride, /* width*comps */
dest, /* destination */
dstRowStride); /* 16 bytes per 8x4 texel */
/* dxtn adjusts width and height to M8 and M4 respectively by replication */
*destwidth = (srcwidth + 7) & ~7;
*destheight = (srcheight + 3) & ~3;
*destformat = GR_TEXFMT_ARGB_CMP_FXT1;
bRet = 1;
}
return bRet;
}
boolean
TxQuantize::DXTn(uint8 *src, uint8 *dest,
int srcwidth, int srcheight, uint16 srcformat,
int *destwidth, int *destheight, uint16 *destformat)
{
/*
* NOTE: src must be in ARGB8888 format, srcformat describes
* the closest 16bbp representation of src.
*
* NOTE: I have modified the dxtn library to use ARGB format
* which originaly was ABGR format.
*/
boolean bRet = 0;
if (_tx_compress_dxtn &&
srcwidth >= 4 && srcheight >= 4) {
/* compress to dxtn
* width and height must be larger than 4
*/
/* skip formats that DXTn won't help in size. */
if (srcformat == GR_TEXFMT_ALPHA_8 ||
srcformat == GR_TEXFMT_ALPHA_INTENSITY_44) {
; /* shutup compiler */
} else {
int dstRowStride = ((srcwidth + 3) & ~3) << 2;
int compression = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
*destformat = GR_TEXFMT_ARGB_CMP_DXT5;
#if !GLIDE64_DXTN
/* okay... we are going to disable DXT1 with 1bit alpha
* for Glide64. some textures have all 0 alpha values.
* see "N64 Kobe Bryant in NBA Courtside"
*/
if (srcformat == GR_TEXFMT_ARGB_1555) {
dstRowStride >>= 1;
compression = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
*destformat = GR_TEXFMT_ARGB_CMP_DXT1;
} else
#endif
if (srcformat == GR_TEXFMT_RGB_565 ||
srcformat == GR_TEXFMT_INTENSITY_8) {
dstRowStride >>= 1;
compression = GL_COMPRESSED_RGB_S3TC_DXT1_EXT;
*destformat = GR_TEXFMT_ARGB_CMP_DXT1;
}
unsigned int numcore = _numcore;
unsigned int blkrow = 0;
while (numcore > 1 && blkrow == 0) {
blkrow = (srcheight >> 2) / numcore;
numcore--;
}
(*_tx_compress_dxtn)(4, /* comps: ARGB8888=4, RGB888=3 */
srcwidth, /* width */
srcheight, /* height */
src, /* source */
compression, /* format */
dest, /* destination */
dstRowStride); /* DXT1 = 8 bytes per 4x4 texel
* others = 16 bytes per 4x4 texel */
/* dxtn adjusts width and height to M4 by replication */
*destwidth = (srcwidth + 3) & ~3;
*destheight = (srcheight + 3) & ~3;
bRet = 1;
}
}
return bRet;
}
boolean
TxQuantize::compress(uint8 *src, uint8 *dest,
int srcwidth, int srcheight, uint16 srcformat,
int *destwidth, int *destheight, uint16 *destformat,
int compressionType)
{
boolean bRet = 0;
switch (compressionType) {
case FXT1_COMPRESSION:
bRet = FXT1(src, dest,
srcwidth, srcheight, srcformat,
destwidth, destheight, destformat);
break;
case S3TC_COMPRESSION:
bRet = DXTn(src, dest,
srcwidth, srcheight, srcformat,
destwidth, destheight, destformat);
break;
case NCC_COMPRESSION:
/* TODO: narrow channel compression */
;
}
return bRet;
}
#if 0 /* unused */
void
TxQuantize::I8_ARGB8888(uint32* src, uint32* dest, int width, int height)
{
int siz = (width * height) >> 2;
__asm {
push ebx;
push esi;
push edi;
mov esi, dword ptr [src];
mov edi, dword ptr [dest];
mov ecx, dword ptr [siz];
tc1_loop:
mov eax, dword ptr [esi];
add esi, 4;
// aaaaaaaa
// 11111111 aaaaaaaa aaaaaaaa aaaaaaaa
mov edx, eax;
and eax, 0x000000ff;
mov ebx, eax; // 00000000 00000000 00000000 aaaaaaaa
shl ebx, 8; // 00000000 00000000 aaaaaaaa 00000000
or eax, ebx; // 00000000 00000000 aaaaaaaa aaaaaaaa
shl ebx, 8; // 00000000 aaaaaaaa 00000000 00000000
or eax, ebx; // 00000000 aaaaaaaa aaaaaaaa aaaaaaaa
or eax, 0xff000000; // 11111111 aaaaaaaa aaaaaaaa aaaaaaaa
mov dword ptr [edi], eax;
add edi, 4;
mov eax, edx;
and eax, 0x0000ff00;
mov ebx, eax; // 00000000 00000000 aaaaaaaa 00000000
shr ebx, 8; // 00000000 00000000 00000000 aaaaaaaa
or eax, ebx; // 00000000 00000000 aaaaaaaa aaaaaaaa
shl ebx, 16; // 00000000 aaaaaaaa 00000000 00000000
or eax, ebx; // 00000000 aaaaaaaa aaaaaaaa aaaaaaaa
or eax, 0xff000000; // 11111111 aaaaaaaa aaaaaaaa aaaaaaaa
mov dword ptr [edi], eax;
add edi, 4;
mov eax, edx;
and eax, 0x00ff0000;
mov ebx, eax; // 00000000 aaaaaaaa 00000000 00000000
shr ebx, 8; // 00000000 00000000 aaaaaaaa 00000000
or eax, ebx; // 00000000 aaaaaaaa aaaaaaaa 00000000
shr ebx, 8; // 00000000 00000000 00000000 aaaaaaaa
or eax, ebx; // 00000000 aaaaaaaa aaaaaaaa aaaaaaaa
or eax, 0xff000000; // 11111111 aaaaaaaa aaaaaaaa aaaaaaaa
mov dword ptr [edi], eax;
add edi, 4;
mov eax, edx;
and eax, 0xff000000;
mov ebx, eax; // aaaaaaaa 00000000 00000000 00000000
shr ebx, 8; // 00000000 aaaaaaaa 00000000 00000000
or eax, ebx; // aaaaaaaa aaaaaaaa 00000000 00000000
shr ebx, 8; // 00000000 00000000 aaaaaaaa 00000000
or eax, ebx; // aaaaaaaa aaaaaaaa aaaaaaaa 00000000
shr eax, 8; // 00000000 aaaaaaaa aaaaaaaa aaaaaaaa
or eax, 0xff000000; // 11111111 aaaaaaaa aaaaaaaa aaaaaaaa
mov dword ptr [edi], eax;
add edi, 4;
dec ecx;
jnz tc1_loop;
pop edi;
pop esi;
pop ebx;
}
}
void
TxQuantize::ARGB8888_I8(uint32* src, uint32* dest, int width, int height)
{
ARGB8888_A8(src, dest, width, height);
}
void
TxQuantize::ARGB1555_ABGR8888(uint32* src, uint32* dest, int width, int height)
{
int siz = (width * height) >> 1;
__asm {
push ebx;
push esi;
push edi;
mov esi, dword ptr [src];
mov edi, dword ptr [dest];
mov ecx, dword ptr [siz];
tc1_loop:
mov eax, dword ptr [esi];
add esi, 4;
// arrr rrgg gggb bbbb
// aaaaaaaa bbbbbbbb gggggggg rrrrrrrr
mov edx, eax; // edx = arrrrrgg gggbbbbb arrrrrgg gggbbbbb
and ebx, 0x00000000;
and eax, 0x00008000; // eax = 00000000 00000000 a0000000 00000000
jz transparent1;
or ebx, 0xff000000; // ebx = aaaaaaaa 00000000 00000000 00000000
transparent1:
mov eax, edx; // eax = arrrrrgg gggbbbbb arrrrrgg gggbbbbb
and edx, 0x0000001f; // edx = 00000000 00000000 00000000 000bbbbb
shl edx, 14; // edx = 00000000 00000bbb bb000000 00000000
or ebx, edx; // ebx = aaaaaaaa 00000bbb bb000000 00000000
shl edx, 5; // edx = 00000000 bbbbb000 00000000 00000000
or ebx, edx; // ebx = aaaaaaaa bbbbbbbb bb000000 00000000
and ebx, 0xffff0000; // ebx = aaaaaaaa bbbbbbbb 00000000 00000000
mov edx, eax;
and edx, 0x000003e0; // edx = 00000000 00000000 000000gg ggg00000
shl edx, 1; // edx = 00000000 00000000 00000ggg gg000000
or ebx, edx; // ebx = aaaaaaaa bbbbbbbb 00000ggg gg000000
shl edx, 5; // edx = 00000000 00000000 ggggg000 00000000
or ebx, edx; // ebx = aaaaaaaa bbbbbbbb gggggggg gg000000
and ebx, 0xffffff00; // ebx = aaaaaaaa bbbbbbbb gggggggg 00000000
mov edx, eax;
and edx, 0x00007c00; // edx = 00000000 00000000 0rrrrr00 00000000
shr edx, 7; // edx = 00000000 00000000 00000000 rrrrr000
or ebx, edx; // ebx = aaaaaaaa bbbbbbbb gggggggg rrrrr000
shr edx, 5; // edx = 00000000 00000000 00000000 00000rrr
or ebx, edx; // ebx = aaaaaaaa bbbbbbbb gggggggg rrrrrrrr
mov dword ptr [edi], ebx;
add edi, 4;
shr eax, 16; // eax = 00000000 00000000 arrrrrgg gggbbbbb
mov edx, eax; // edx = 00000000 00000000 arrrrrgg gggbbbbb
and ebx, 0x00000000;
and eax, 0x00008000; // eax = 00000000 00000000 a0000000 00000000
jz transparent2;
or ebx, 0xff000000; // ebx = aaaaaaaa 00000000 00000000 00000000
transparent2:
mov eax, edx; // eax = arrrrrgg gggbbbbb arrrrrgg gggbbbbb
and edx, 0x0000001f; // edx = 00000000 00000000 00000000 000bbbbb
shl edx, 14; // edx = 00000000 00000bbb bb000000 00000000
or ebx, edx; // ebx = aaaaaaaa 00000bbb bb000000 00000000
shl edx, 5; // edx = 00000000 bbbbb000 00000000 00000000
or ebx, edx; // ebx = aaaaaaaa bbbbbbbb bb000000 00000000
and ebx, 0xffff0000; // ebx = aaaaaaaa bbbbbbbb 00000000 00000000
mov edx, eax;
and edx, 0x000003e0; // edx = 00000000 00000000 000000gg ggg00000
shl edx, 1; // edx = 00000000 00000000 00000ggg gg000000
or ebx, edx; // ebx = aaaaaaaa bbbbbbbb 00000ggg gg000000
shl edx, 5; // edx = 00000000 00000000 ggggg000 00000000
or ebx, edx; // ebx = aaaaaaaa bbbbbbbb gggggggg gg000000
and ebx, 0xffffff00; // ebx = aaaaaaaa bbbbbbbb gggggggg 00000000
mov edx, eax;
and edx, 0x00007c00; // edx = 00000000 00000000 0rrrrr00 00000000
shr edx, 7; // edx = 00000000 00000000 00000000 rrrrr000
or ebx, edx; // ebx = aaaaaaaa bbbbbbbb gggggggg rrrrr000
shr edx, 5; // edx = 00000000 00000000 00000000 00000rrr
or ebx, edx; // ebx = aaaaaaaa bbbbbbbb gggggggg rrrrrrrr
mov dword ptr [edi], ebx;
add edi, 4;
dec ecx;
jnz tc1_loop;
pop edi;
pop esi;
pop ebx;
}
}
void
TxQuantize::ARGB4444_ABGR8888(uint32* src, uint32* dest, int width, int height)
{
int siz = (width * height) >> 1;
__asm {
push ebx;
push esi;
push edi;
mov esi, dword ptr [src];
mov edi, dword ptr [dest];
mov ecx, dword ptr [siz];
tc1_loop:
mov eax, dword ptr [esi];
add esi, 4;
// aaaa rrrr gggg bbbb
// aaaaaaaa bbbbbbbb gggggggg rrrrrrrr
mov edx, eax;
and eax, 0x0000ffff;
mov ebx, eax; // 00000000 00000000 aaaarrrr ggggbbbb
and ebx, 0x0000f000; // 00000000 00000000 aaaa0000 00000000
shl ebx, 12; // 0000aaaa 00000000 00000000 00000000
or eax, ebx; // 0000aaaa 00000000 aaaarrrr ggggbbbb
mov ebx, eax;
and ebx, 0x0000000f; // 00000000 00000000 00000000 0000bbbb
shl ebx, 16; // 00000000 0000bbbb 00000000 00000000
or eax, ebx; // 0000aaaa 0000bbbb aaaarrrr ggggbbbb
mov ebx, eax;
and ebx, 0x00000f00; // 00000000 00000000 0000rrrr 00000000
shr ebx, 8; // 00000000 00000000 00000000 0000rrrr
and eax, 0xfffffff0;
or eax, ebx; // 0000aaaa 0000bbbb aaaarrrr ggggrrrr
mov ebx, eax;
and ebx, 0x000000f0; // 00000000 00000000 00000000 gggg0000
shl ebx, 4; // 00000000 00000000 0000gggg 00000000
and eax, 0x0f0f000f; // 0000aaaa 0000bbbb 00000000 0000rrrr
or eax, ebx; // 0000aaaa 0000bbbb 0000gggg 0000rrrr
mov ebx, eax;
shl ebx, 4; // aaaa0000 bbbb0000 gggg0000 rrrr0000
or eax, ebx; // aaaaaaaa bbbbbbbb gggggggg rrrrrrrr
mov dword ptr [edi], eax;
add edi, 4;
shr edx, 16;
mov ebx, edx; // 00000000 00000000 aaaarrrr ggggbbbb
and ebx, 0x0000f000; // 00000000 00000000 aaaa0000 00000000
shl ebx, 12; // 0000aaaa 00000000 00000000 00000000
or edx, ebx; // 0000aaaa 00000000 aaaarrrr ggggbbbb
mov ebx, edx;
and ebx, 0x0000000f; // 00000000 00000000 00000000 0000bbbb
shl ebx, 16; // 00000000 0000bbbb 00000000 00000000
or edx, ebx; // 0000aaaa 0000bbbb aaaarrrr ggggbbbb
mov ebx, edx;
and ebx, 0x00000f00; // 00000000 00000000 0000rrrr 00000000
shr ebx, 8; // 00000000 00000000 00000000 0000rrrr
and edx, 0xfffffff0;
or edx, ebx; // 0000aaaa 0000bbbb aaaarrrr ggggrrrr
mov ebx, edx;
and ebx, 0x000000f0; // 00000000 00000000 00000000 gggg0000
shl ebx, 4; // 00000000 00000000 0000gggg 00000000
and edx, 0x0f0f000f; // 0000aaaa 0000bbbb 00000000 0000rrrr
or edx, ebx; // 0000aaaa 0000bbbb 0000gggg 0000rrrr
mov ebx, edx;
shl ebx, 4; // aaaa0000 bbbb0000 gggg0000 rrrr0000
or edx, ebx; // aaaaaaaa bbbbbbbb gggggggg rrrrrrrr
mov dword ptr [edi], edx;
add edi, 4;
dec ecx;
jnz tc1_loop;
pop edi;
pop esi;
pop ebx;
}
}
void
TxQuantize::ARGB8888_ABGR8888(uint32* src, uint32* dest, int width, int height)
{
int siz = width * height;
__asm {
push ebx;
push esi;
push edi;
mov esi, dword ptr [src];
mov edi, dword ptr [dest];
mov ecx, dword ptr [siz];
tc1_loop:
mov eax, dword ptr [esi];
add esi, 4;
// aaaaaaaa bbbbbbbb gggggggg rrrrrrrr
mov edx, eax;
bswap edx;
shr edx, 8;
and eax, 0xff000000;
or eax, edx;
mov dword ptr [edi], eax;
add edi, 4;
dec ecx;
jnz tc1_loop;
pop edi;
pop esi;
pop ebx;
}
}
#endif
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