project64/Source/Project64-video/TexLoad8b.h

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// Project64 - A Nintendo 64 emulator
// http://www.pj64-emu.com/
// Copyright(C) 2001-2021 Project64
// Copyright(C) 2003-2009 Sergey 'Gonetz' Lipski
// Copyright(C) 2002 Dave2001
// GNU/GPLv2 licensed: https://gnu.org/licenses/gpl-2.0.html
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static inline void load8bCI(uint8_t *src, uint8_t *dst, int wid_64, int height, int line, int ext, uint16_t *pal)
{
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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;
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v7 = src;
v8 = (uint32_t *)dst;
v9 = height;
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do
{
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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 & 0xFFFF) & 0x1FE)), 1);
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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 & 0xFFFF) & 0x1FE)), 1);
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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 & 0xFFFF) & 0x1FE)), 1);
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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 & 0xFFFF) & 0x1FE)), 1);
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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);
}
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static inline void load8bIA8(uint8_t *src, uint8_t *dst, int wid_64, int height, int line, int ext, uint16_t *pal)
{
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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;
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v7 = (uint32_t *)src;
v8 = (uint32_t *)dst;
v9 = height;
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do
{
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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);
}
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static inline void load8bIA4(uint8_t *src, uint8_t *dst, int wid_64, int height, int line, int ext)
{
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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;
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v6 = (uint32_t *)src;
v7 = (uint32_t *)dst;
v8 = height;
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do
{
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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);
}
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static inline void load8bI(uint8_t *src, uint8_t *dst, int wid_64, int height, int line, int ext)
{
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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;
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v6 = (uint32_t *)src;
v7 = (uint32_t *)dst;
v8 = height;
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do
{
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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);
}
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//****************************************************************
// Size: 1, Format: 2
//
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uint32_t Load8bCI(uintptr_t dst, uintptr_t src, int wid_64, int height, int line, int real_width, int /*tile*/)
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{
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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;
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switch (rdp.tlut_mode) {
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case 0: //palette is not used
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//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) | */GFX_TEXFMT_ALPHA_8;
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case 2: //color palette
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ext <<= 1;
load8bCI((uint8_t *)src, (uint8_t *)dst, wid_64, height, line, ext, pal);
return (1 << 16) | GFX_TEXFMT_ARGB_1555;
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default: //IA palette
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ext <<= 1;
load8bIA8((uint8_t *)src, (uint8_t *)dst, wid_64, height, line, ext, pal);
return (1 << 16) | GFX_TEXFMT_ALPHA_INTENSITY_88;
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}
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}
//****************************************************************
// Size: 1, Format: 3
//
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uint32_t Load8bIA(uintptr_t dst, uintptr_t src, int wid_64, int height, int line, int real_width, int tile)
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{
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if (rdp.tlut_mode != 0)
return Load8bCI(dst, src, wid_64, height, line, real_width, tile);
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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) | */GFX_TEXFMT_ALPHA_INTENSITY_44;
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}
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//****************************************************************
// Size: 1, Format: 4
//
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uint32_t Load8bI(uintptr_t dst, uintptr_t src, int wid_64, int height, int line, int real_width, int tile)
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{
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if (rdp.tlut_mode != 0)
return Load8bCI(dst, src, wid_64, height, line, real_width, tile);
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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) | */GFX_TEXFMT_ALPHA_8;
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}