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project64/Source/Glide64/TexLoad8b.h

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/*
* Glide64 - Glide video plugin for Nintendo 64 emulators.
* Copyright (c) 2002 Dave2001
* Copyright (c) 2003-2009 Sergey 'Gonetz' Lipski
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
//****************************************************************
//
// Glide64 - Glide Plugin for Nintendo 64 emulators
// Project started on December 29th, 2001
//
// Authors:
// Dave2001, original author, founded the project in 2001, left it in 2002
// Gugaman, joined the project in 2002, left it in 2002
// Sergey 'Gonetz' Lipski, joined the project in 2002, main author since fall of 2002
// Hiroshi 'KoolSmoky' Morii, joined the project in 2007
//
//****************************************************************
//
// To modify Glide64:
// * Write your name and (optional)email, commented by your work, so I know who did it, and so that you can find which parts you modified when it comes time to send it to me.
// * Do NOT send me the whole project or file that you modified. Take out your modified code sections, and tell me where to put them. If people sent the whole thing, I would have many different versions, but no idea how to combine them all.
//
//****************************************************************
static inline void load8bCI(uint8_t *src, uint8_t *dst, int wid_64, int height, int line, int ext, uint16_t *pal)
{
uint8_t *v7;
uint32_t *v8;
int v9;
int v10;
int v11;
uint32_t v12;
uint32_t *v13;
uint32_t v14;
uint32_t *v15;
uint32_t v16;
uint32_t *v17;
uint32_t *v18;
int v19;
int v20;
uint32_t v21;
uint32_t v22;
uint32_t *v23;
uint32_t v24;
int v25;
int v26;
v7 = src;
v8 = (uint32_t *)dst;
v9 = height;
do
{
v25 = v9;
v10 = wid_64;
do
{
v11 = v10;
v12 = bswap32(*(uint32_t *)v7);
v13 = (uint32_t *)(v7 + 4);
ALOWORD(v10) = __ROR__(*(uint16_t *)((char *)pal + ((v12 >> 15) & 0x1FE)), 1);
v14 = v10 << 16;
ALOWORD(v14) = __ROR__(*(uint16_t *)((char *)pal + ((v12 >> 23) & 0x1FE)), 1);
*v8 = v14;
v15 = v8 + 1;
ALOWORD(v14) = __ROR__(*(uint16_t *)((char *)pal + (2 * (uint16_t)v12 & 0x1FE)), 1);
v14 <<= 16;
ALOWORD(v14) = __ROR__(*(uint16_t *)((char *)pal + ((v12 >> 7) & 0x1FE)), 1);
*v15 = v14;
++v15;
v16 = bswap32(*v13);
v7 = (uint8_t *)(v13 + 1);
ALOWORD(v14) = __ROR__(*(uint16_t *)((char *)pal + ((v16 >> 15) & 0x1FE)), 1);
v14 <<= 16;
ALOWORD(v14) = __ROR__(*(uint16_t *)((char *)pal + ((v16 >> 23) & 0x1FE)), 1);
*v15 = v14;
++v15;
ALOWORD(v14) = __ROR__(*(uint16_t *)((char *)pal + (2 * (uint16_t)v16 & 0x1FE)), 1);
v14 <<= 16;
ALOWORD(v14) = __ROR__(*(uint16_t *)((char *)pal + ((v16 >> 7) & 0x1FE)), 1);
*v15 = v14;
v8 = v15 + 1;
v10 = v11 - 1;
}
while ( v11 != 1 );
if ( v25 == 1 )
break;
v26 = v25 - 1;
v17 = (uint32_t *)&src[(line + (uintptr_t)v7 - (uintptr_t)src) & 0x7FF];
v18 = (uint32_t *)((char *)v8 + ext);
v19 = wid_64;
do
{
v20 = v19;
v21 = bswap32(v17[1]);
ALOWORD(v19) = __ROR__(*(uint16_t *)((char *)pal + ((v21 >> 15) & 0x1FE)), 1);
v22 = v19 << 16;
ALOWORD(v22) = __ROR__(*(uint16_t *)((char *)pal + ((v21 >> 23) & 0x1FE)), 1);
*v18 = v22;
v23 = v18 + 1;
ALOWORD(v22) = __ROR__(*(uint16_t *)((char *)pal + (2 * (uint16_t)v21 & 0x1FE)), 1);
v22 <<= 16;
ALOWORD(v22) = __ROR__(*(uint16_t *)((char *)pal + ((v21 >> 7) & 0x1FE)), 1);
*v23 = v22;
++v23;
v24 = bswap32(*v17);
v17 = (uint32_t *)&src[((uintptr_t)v17 + 8 - (uintptr_t)src) & 0x7FF];
ALOWORD(v22) = __ROR__(*(uint16_t *)((char *)pal + ((v24 >> 15) & 0x1FE)), 1);
v22 <<= 16;
ALOWORD(v22) = __ROR__(*(uint16_t *)((char *)pal + ((v24 >> 23) & 0x1FE)), 1);
*v23 = v22;
++v23;
ALOWORD(v22) = __ROR__(*(uint16_t *)((char *)pal + (2 * (uint16_t)v24 & 0x1FE)), 1);
v22 <<= 16;
ALOWORD(v22) = __ROR__(*(uint16_t *)((char *)pal + ((v24 >> 7) & 0x1FE)), 1);
*v23 = v22;
v18 = v23 + 1;
v19 = v20 - 1;
}
while ( v20 != 1 );
v7 = &src[(line + (uintptr_t)v17 - (uintptr_t)src) & 0x7FF];
v8 = (uint32_t *)((char *)v18 + ext);
v9 = v26 - 1;
}
while ( v26 != 1 );
}
static inline void load8bIA8(uint8_t *src, uint8_t *dst, int wid_64, int height, int line, int ext, uint16_t *pal)
{
uint32_t *v7;
uint32_t *v8;
int v9;
int v10;
int v11;
uint32_t v12;
uint32_t *v13;
uint32_t v14;
uint32_t *v15;
uint32_t v16;
uint32_t *v17;
uint32_t *v18;
int v19;
int v20;
uint32_t v21;
uint32_t v22;
uint32_t *v23;
uint32_t v24;
int v25;
int v26;
v7 = (uint32_t *)src;
v8 = (uint32_t *)dst;
v9 = height;
do
{
v25 = v9;
v10 = wid_64;
do
{
v11 = v10;
v12 = bswap32(*v7);
v13 = v7 + 1;
ALOWORD(v10) = __ROR__(*(uint16_t *)((char *)pal + ((v12 >> 15) & 0x1FE)), 8);
v14 = v10 << 16;
ALOWORD(v14) = __ROR__(*(uint16_t *)((char *)pal + ((v12 >> 23) & 0x1FE)), 8);
*v8 = v14;
v15 = v8 + 1;
ALOWORD(v14) = __ROR__(*(uint16_t *)((char *)pal + (2 * (uint16_t)v12 & 0x1FE)), 8);
v14 <<= 16;
ALOWORD(v14) = __ROR__(*(uint16_t *)((char *)pal + ((v12 >> 7) & 0x1FE)), 8);
*v15 = v14;
++v15;
v16 = bswap32(*v13);
v7 = v13 + 1;
ALOWORD(v14) = __ROR__(*(uint16_t *)((char *)pal + ((v16 >> 15) & 0x1FE)), 8);
v14 <<= 16;
ALOWORD(v14) = __ROR__(*(uint16_t *)((char *)pal + ((v16 >> 23) & 0x1FE)), 8);
*v15 = v14;
++v15;
ALOWORD(v14) = __ROR__(*(uint16_t *)((char *)pal + (2 * (uint16_t)v16 & 0x1FE)), 8);
v14 <<= 16;
ALOWORD(v14) = __ROR__(*(uint16_t *)((char *)pal + ((v16 >> 7) & 0x1FE)), 8);
*v15 = v14;
v8 = v15 + 1;
v10 = v11 - 1;
}
while ( v11 != 1 );
if ( v25 == 1 )
break;
v26 = v25 - 1;
v17 = (uint32_t *)((char *)v7 + line);
v18 = (uint32_t *)((char *)v8 + ext);
v19 = wid_64;
do
{
v20 = v19;
v21 = bswap32(v17[1]);
ALOWORD(v19) = __ROR__(*(uint16_t *)((char *)pal + ((v21 >> 15) & 0x1FE)), 8);
v22 = v19 << 16;
ALOWORD(v22) = __ROR__(*(uint16_t *)((char *)pal + ((v21 >> 23) & 0x1FE)), 8);
*v18 = v22;
v23 = v18 + 1;
ALOWORD(v22) = __ROR__(*(uint16_t *)((char *)pal + (2 * (uint16_t)v21 & 0x1FE)), 8);
v22 <<= 16;
ALOWORD(v22) = __ROR__(*(uint16_t *)((char *)pal + ((v21 >> 7) & 0x1FE)), 8);
*v23 = v22;
++v23;
v24 = bswap32(*v17);
v17 += 2;
ALOWORD(v22) = __ROR__(*(uint16_t *)((char *)pal + ((v24 >> 15) & 0x1FE)), 8);
v22 <<= 16;
ALOWORD(v22) = __ROR__(*(uint16_t *)((char *)pal + ((v24 >> 23) & 0x1FE)), 8);
*v23 = v22;
++v23;
ALOWORD(v22) = __ROR__(*(uint16_t *)((char *)pal + (2 * (uint16_t)v24 & 0x1FE)), 8);
v22 <<= 16;
ALOWORD(v22) = __ROR__(*(uint16_t *)((char *)pal + ((v24 >> 7) & 0x1FE)), 8);
*v23 = v22;
v18 = v23 + 1;
v19 = v20 - 1;
}
while ( v20 != 1 );
v7 = (uint32_t *)((char *)v17 + line);
v8 = (uint32_t *)((char *)v18 + ext);
v9 = v26 - 1;
}
while ( v26 != 1 );
}
static inline void load8bIA4(uint8_t *src, uint8_t *dst, int wid_64, int height, int line, int ext)
{
uint32_t *v6;
uint32_t *v7;
int v8;
int v9;
uint32_t v10;
uint32_t v11;
uint32_t *v12;
uint32_t *v13;
uint32_t v14;
uint32_t v15;
uint32_t *v16;
uint32_t *v17;
int v18;
uint32_t *v19;
uint32_t v20;
int v21;
int v22;
v6 = (uint32_t *)src;
v7 = (uint32_t *)dst;
v8 = height;
do
{
v21 = v8;
v9 = wid_64;
do
{
v10 = *v6;
v11 = (*v6 >> 4) & 0xF0F0F0F;
v12 = v6 + 1;
*v7 = (16 * v10 & 0xF0F0F0F0) | v11;
v13 = v7 + 1;
v14 = (*v12 >> 4) & 0xF0F0F0F;
v15 = 16 * *v12 & 0xF0F0F0F0;
v6 = v12 + 1;
*v13 = v15 | v14;
v7 = v13 + 1;
--v9;
}
while ( v9 );
if ( v21 == 1 )
break;
v22 = v21 - 1;
v16 = (uint32_t *)((char *)v6 + line);
v17 = (uint32_t *)((char *)v7 + ext);
v18 = wid_64;
do
{
*v17 = (16 * v16[1] & 0xF0F0F0F0) | ((v16[1] >> 4) & 0xF0F0F0F);
v19 = v17 + 1;
v20 = *v16;
v16 += 2;
*v19 = (16 * v20 & 0xF0F0F0F0) | ((v20 >> 4) & 0xF0F0F0F);
v17 = v19 + 1;
--v18;
}
while ( v18 );
v6 = (uint32_t *)((char *)v16 + line);
v7 = (uint32_t *)((char *)v17 + ext);
v8 = v22 - 1;
}
while ( v22 != 1 );
}
static inline void load8bI(uint8_t *src, uint8_t *dst, int wid_64, int height, int line, int ext)
{
uint32_t *v6;
uint32_t *v7;
int v8;
int v9;
uint32_t v10;
uint32_t *v11;
uint32_t *v12;
uint32_t v13;
uint32_t *v14;
uint32_t *v15;
int v16;
uint32_t *v17;
uint32_t v18;
int v19;
int v20;
v6 = (uint32_t *)src;
v7 = (uint32_t *)dst;
v8 = height;
do
{
v19 = v8;
v9 = wid_64;
do
{
v10 = *v6;
v11 = v6 + 1;
*v7 = v10;
v12 = v7 + 1;
v13 = *v11;
v6 = v11 + 1;
*v12 = v13;
v7 = v12 + 1;
--v9;
}
while ( v9 );
if ( v19 == 1 )
break;
v20 = v19 - 1;
v14 = (uint32_t *)((char *)v6 + line);
v15 = (uint32_t *)((char *)v7 + ext);
v16 = wid_64;
do
{
*v15 = v14[1];
v17 = v15 + 1;
v18 = *v14;
v14 += 2;
*v17 = v18;
v15 = v17 + 1;
--v16;
}
while ( v16 );
v6 = (uint32_t *)((char *)v14 + line);
v7 = (uint32_t *)((char *)v15 + ext);
v8 = v20 - 1;
}
while ( v20 != 1 );
}
//****************************************************************
// Size: 1, Format: 2
//
wxUint32 Load8bCI (wxUIntPtr dst, wxUIntPtr src, int wid_64, int height, int line, int real_width, int /*tile*/)
{
if (wid_64 < 1) wid_64 = 1;
if (height < 1) height = 1;
int ext = (real_width - (wid_64 << 3));
unsigned short * pal = rdp.pal_8;
switch (rdp.tlut_mode) {
case 0: //palette is not used
//in tlut DISABLE mode load CI texture as plain intensity texture instead of palette dereference.
//Thanks to angrylion for the advice
load8bI ((uint8_t *)src, (uint8_t *)dst, wid_64, height, line, ext);
return /*(0 << 16) | */GR_TEXFMT_ALPHA_8;
case 2: //color palette
ext <<= 1;
load8bCI ((uint8_t *)src, (uint8_t *)dst, wid_64, height, line, ext, pal);
return (1 << 16) | GR_TEXFMT_ARGB_1555;
default: //IA palette
ext <<= 1;
load8bIA8 ((uint8_t *)src, (uint8_t *)dst, wid_64, height, line, ext, pal);
return (1 << 16) | GR_TEXFMT_ALPHA_INTENSITY_88;
}
}
//****************************************************************
// Size: 1, Format: 3
//
wxUint32 Load8bIA (wxUIntPtr dst, wxUIntPtr src, int wid_64, int height, int line, int real_width, int tile)
{
if (rdp.tlut_mode != 0)
return Load8bCI (dst, src, wid_64, height, line, real_width, tile);
if (wid_64 < 1) wid_64 = 1;
if (height < 1) height = 1;
int ext = (real_width - (wid_64 << 3));
load8bIA4 ((uint8_t *)src, (uint8_t *)dst, wid_64, height, line, ext);
return /*(0 << 16) | */GR_TEXFMT_ALPHA_INTENSITY_44;
}
//****************************************************************
// Size: 1, Format: 4
//
wxUint32 Load8bI (wxUIntPtr dst, wxUIntPtr src, int wid_64, int height, int line, int real_width, int tile)
{
if (rdp.tlut_mode != 0)
return Load8bCI (dst, src, wid_64, height, line, real_width, tile);
if (wid_64 < 1) wid_64 = 1;
if (height < 1) height = 1;
int ext = (real_width - (wid_64 << 3));
load8bI ((uint8_t *)src, (uint8_t *)dst, wid_64, height, line, ext);
return /*(0 << 16) | */GR_TEXFMT_ALPHA_8;
}
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