--- /dev/null
+/*
+ * 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 __MSC__
+#pragma warning(disable: 4786)
+#endif
+
+#include <functional>
+#include <thread>
+
+/* 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++) {
+ qr = qg = qb = 0;
+ for (x = 0; x < width; x++) {
+ /* incoming pixel values */
+ ir = ((*src >> 16) & 0xFF) * 10000;
+ ig = ((*src >> 8) & 0xFF) * 10000;
+ ib = ((*src ) & 0xFF) * 10000;
+
+ /* 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++) {
+ qr = qg = qb = 0;
+ for (x = 0; x < width; x++) {
+ /* incoming pixel values */
+ ir = ((*src >> 16) & 0xFF) * 10000;
+ ig = ((*src >> 8) & 0xFF) * 10000;
+ ib = ((*src ) & 0xFF) * 10000;
+
+ /* 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++) {
+ qr = qg = qb = qa = 0;
+ 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;
+
+ /* 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++) {
+ qi = qa = 0;
+ 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;
+
+ /* 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;
+ }
+
+#if !defined(NO_FILTER_THREAD)
+ unsigned int numcore = _numcore;
+ unsigned int blkrow = 0;
+ while (numcore > 1 && blkrow == 0) {
+ blkrow = (height >> 2) / numcore;
+ numcore--;
+ }
+ if (blkrow > 0 && numcore > 1) {
+ std::thread *thrd[MAX_NUMCORE];
+ unsigned int i;
+ int blkheight = blkrow << 2;
+ unsigned int srcStride = (width * blkheight) << (2 - bpp_shift);
+ unsigned int destStride = srcStride << bpp_shift;
+ for (i = 0; i < numcore - 1; i++) {
+ thrd[i] = new std::thread(std::bind(quantizer,
+ this,
+ (uint32*)src,
+ (uint32*)dest,
+ width,
+ blkheight));
+ src += srcStride;
+ dest += destStride;
+ }
+ thrd[i] = new std::thread(std::bind(quantizer,
+ this,
+ (uint32*)src,
+ (uint32*)dest,
+ width,
+ height - blkheight * i));
+ for (i = 0; i < numcore; i++) {
+ thrd[i]->join();
+ delete thrd[i];
+ }
+ } else {
+ (*this.*quantizer)((uint32*)src, (uint32*)dest, width, height);
+ }
+#else
+ (*this.*quantizer)((uint32*)src, (uint32*)dest, width, height);
+#endif
+
+ } 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;
+ }
+
+#if !defined(NO_FILTER_THREAD)
+ unsigned int numcore = _numcore;
+ unsigned int blkrow = 0;
+ while (numcore > 1 && blkrow == 0) {
+ blkrow = (height >> 2) / numcore;
+ numcore--;
+ }
+ if (blkrow > 0 && numcore > 1) {
+ std::thread *thrd[MAX_NUMCORE];
+ unsigned int i;
+ int blkheight = blkrow << 2;
+ unsigned int srcStride = (width * blkheight) << 2;
+ unsigned int destStride = srcStride >> bpp_shift;
+ for (i = 0; i < numcore - 1; i++) {
+ thrd[i] = new std::thread(std::bind(quantizer,
+ this,
+ (uint32*)src,
+ (uint32*)dest,
+ width,
+ blkheight));
+ src += srcStride;
+ dest += destStride;
+ }
+ thrd[i] = new std::thread(std::bind(quantizer,
+ this,
+ (uint32*)src,
+ (uint32*)dest,
+ width,
+ height - blkheight * i));
+ for (i = 0; i < numcore; i++) {
+ thrd[i]->join();
+ delete thrd[i];
+ }
+ } else {
+ (*this.*quantizer)((uint32*)src, (uint32*)dest, width, height);
+ }
+#else
+ (*this.*quantizer)((uint32*)src, (uint32*)dest, width, height);
+#endif
+
+ } 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);
+
+#if !defined(NO_FILTER_THREAD)
+ unsigned int numcore = _numcore;
+ unsigned int blkrow = 0;
+ while (numcore > 1 && blkrow == 0) {
+ blkrow = (srcheight >> 2) / numcore;
+ numcore--;
+ }
+ if (blkrow > 0 && numcore > 1) {
+ std::thread *thrd[MAX_NUMCORE];
+ unsigned int i;
+ int blkheight = blkrow << 2;
+ unsigned int srcStride = (srcwidth * blkheight) << 2;
+ unsigned int destStride = dstRowStride * blkrow;
+ for (i = 0; i < numcore - 1; i++) {
+ thrd[i] = new std::thread(std::bind(_tx_compress_fxt1,
+ srcwidth,
+ blkheight,
+ 4,
+ src,
+ srcRowStride,
+ dest,
+ dstRowStride));
+ src += srcStride;
+ dest += destStride;
+ }
+ thrd[i] = new std::thread(std::bind(_tx_compress_fxt1,
+ srcwidth,
+ srcheight - blkheight * i,
+ 4,
+ src,
+ srcRowStride,
+ dest,
+ dstRowStride));
+ for (i = 0; i < numcore; i++) {
+ thrd[i]->join();
+ delete thrd[i];
+ }
+ } else {
+ (*_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 */
+ }
+#else
+ (*_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 */
+#endif
+
+ /* 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;
+ }
+
+#if !defined(NO_FILTER_THREAD)
+ unsigned int numcore = _numcore;
+ unsigned int blkrow = 0;
+ while (numcore > 1 && blkrow == 0) {
+ blkrow = (srcheight >> 2) / numcore;
+ numcore--;
+ }
+ if (blkrow > 0 && numcore > 1) {
+ std::thread *thrd[MAX_NUMCORE];
+ unsigned int i;
+ int blkheight = blkrow << 2;
+ unsigned int srcStride = (srcwidth * blkheight) << 2;
+ unsigned int destStride = dstRowStride * blkrow;
+ for (i = 0; i < numcore - 1; i++) {
+ thrd[i] = new std::thread(std::bind(_tx_compress_dxtn,
+ 4,
+ srcwidth,
+ blkheight,
+ src,
+ compression,
+ dest,
+ dstRowStride));
+ src += srcStride;
+ dest += destStride;
+ }
+ thrd[i] = new std::thread(std::bind(_tx_compress_dxtn,
+ 4,
+ srcwidth,
+ srcheight - blkheight * i,
+ src,
+ compression,
+ dest,
+ dstRowStride));
+ for (i = 0; i < numcore; i++) {
+ thrd[i]->join();
+ delete thrd[i];
+ }
+ } else {
+ (*_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 */
+ }
+#else
+ (*_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 */
+#endif
+
+ /* 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