project64/Source/Project64-video/TexConv.h

137 lines
5.0 KiB
C
Raw Normal View History

2017-04-26 10:23:36 +00:00
/***************************************************************************
* *
* Project64-video - A Nintendo 64 gfx plugin. *
* http://www.pj64-emu.com/ *
* Copyright (C) 2017 Project64. All rights reserved. *
* Copyright (C) 2003-2009 Sergey 'Gonetz' Lipski *
* Copyright (C) 2002 Dave2001 *
* *
* License: *
* GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html *
* version 2 of the License, or (at your option) any later version. *
* *
****************************************************************************/
2015-10-14 00:38:47 +00:00
static inline void texConv_ARGB1555_ARGB4444(uint8_t *src, uint8_t *dst, int size)
{
2016-01-25 11:26:42 +00:00
uint32_t *v3;
uint32_t *v4;
int v5;
uint32_t v6;
uint32_t v7;
2015-10-14 00:38:47 +00:00
2016-01-25 11:26:42 +00:00
v3 = (uint32_t *)src;
v4 = (uint32_t *)dst;
v5 = size;
do
{
v6 = *v3;
++v3;
v7 = v6;
*v4 = ((v7 & 0x1E001E) >> 1) | ((v6 & 0x3C003C0) >> 2) | ((v6 & 0x78007800) >> 3) | ((v6 & 0x80008000) >> 3) | ((v6 & 0x80008000) >> 2) | ((v6 & 0x80008000) >> 1) | (v6 & 0x80008000);
++v4;
--v5;
} while (v5);
}
2015-10-14 00:38:47 +00:00
static inline void texConv_AI88_ARGB4444(uint8_t *src, uint8_t *dst, int size)
{
2016-01-25 11:26:42 +00:00
uint32_t *v3;
uint32_t *v4;
int v5;
uint32_t v6;
uint32_t v7;
2015-10-14 00:38:47 +00:00
2016-01-25 11:26:42 +00:00
v3 = (uint32_t *)src;
v4 = (uint32_t *)dst;
v5 = size;
do
{
v6 = *v3;
++v3;
v7 = v6;
*v4 = (16 * (v7 & 0xF000F0) >> 8) | (v7 & 0xF000F0) | (16 * (v7 & 0xF000F0)) | (v6 & 0xF000F000);
++v4;
--v5;
} while (v5);
}
2015-10-14 00:38:47 +00:00
static inline void texConv_AI44_ARGB4444(uint8_t *src, uint8_t *dst, int size)
{
2016-01-25 11:26:42 +00:00
uint32_t *v3;
uint32_t *v4;
int v5;
uint32_t v6;
uint32_t *v7;
2015-10-14 00:38:47 +00:00
2016-01-25 11:26:42 +00:00
v3 = (uint32_t *)src;
v4 = (uint32_t *)dst;
v5 = size;
do
{
v6 = *v3;
++v3;
*v4 = ((((uint16_t)v6 << 8) & 0xFF00 & 0xF00u) >> 8) | ((((uint16_t)v6 << 8) & 0xFF00 & 0xF00u) >> 4) | (uint16_t)(((uint16_t)v6 << 8) & 0xFF00) | (((v6 << 16) & 0xF000000) >> 8) | (((v6 << 16) & 0xF000000) >> 4) | ((v6 << 16) & 0xFF000000);
v7 = v4 + 1;
*v7 = (((v6 >> 8) & 0xF00) >> 8) | (((v6 >> 8) & 0xF00) >> 4) | ((v6 >> 8) & 0xFF00) | ((v6 & 0xF000000) >> 8) | ((v6 & 0xF000000) >> 4) | (v6 & 0xFF000000);
v4 = v7 + 1;
--v5;
} while (v5);
}
2015-10-14 00:38:47 +00:00
static inline void texConv_A8_ARGB4444(uint8_t *src, uint8_t *dst, int size)
{
2016-01-25 11:26:42 +00:00
uint32_t *v3;
uint32_t *v4;
int v5;
uint32_t v6;
uint32_t v7;
uint32_t *v8;
2015-10-14 00:38:47 +00:00
2016-01-25 11:26:42 +00:00
v3 = (uint32_t *)src;
v4 = (uint32_t *)dst;
v5 = size;
do
{
v6 = *v3;
++v3;
v7 = v6;
*v4 = ((v6 & 0xF0) << 8 >> 12) | (uint8_t)(v6 & 0xF0) | (16 * (uint8_t)(v6 & 0xF0) & 0xFFFFFFF) | ((uint8_t)(v6 & 0xF0) << 8) | (16 * (uint16_t)(v6 & 0xF000) & 0xFFFFF) | (((uint16_t)(v6 & 0xF000) << 8) & 0xFFFFFF) | (((uint16_t)(v6 & 0xF000) << 12) & 0xFFFFFFF) | ((uint16_t)(v6 & 0xF000) << 16);
v8 = v4 + 1;
*v8 = ((v7 & 0xF00000) >> 20) | ((v7 & 0xF00000) >> 16) | ((v7 & 0xF00000) >> 12) | ((v7 & 0xF00000) >> 8) | ((v6 & 0xF0000000) >> 12) | ((v6 & 0xF0000000) >> 8) | ((v6 & 0xF0000000) >> 4) | (v6 & 0xF0000000);
v4 = v8 + 1;
--v5;
} while (v5);
}
2013-04-04 21:22:19 +00:00
2016-01-25 11:26:42 +00:00
void TexConv_ARGB1555_ARGB4444(unsigned char * src, unsigned char * dst, int width, int height)
2013-04-04 21:22:19 +00:00
{
2016-01-25 11:26:42 +00:00
int size = (width * height) >> 1; // Hiroshi Morii <koolsmoky@users.sourceforge.net>
// 2 pixels are converted in one loop
// NOTE: width * height must be a multiple of 2
texConv_ARGB1555_ARGB4444(src, dst, size);
2013-04-04 21:22:19 +00:00
}
2016-01-25 11:26:42 +00:00
void TexConv_AI88_ARGB4444(unsigned char * src, unsigned char * dst, int width, int height)
2013-04-04 21:22:19 +00:00
{
2016-01-25 11:26:42 +00:00
int size = (width * height) >> 1; // Hiroshi Morii <koolsmoky@users.sourceforge.net>
// 2 pixels are converted in one loop
// NOTE: width * height must be a multiple of 2
texConv_AI88_ARGB4444(src, dst, size);
2013-04-04 21:22:19 +00:00
}
2016-01-25 11:26:42 +00:00
void TexConv_AI44_ARGB4444(unsigned char * src, unsigned char * dst, int width, int height)
2013-04-04 21:22:19 +00:00
{
2016-01-25 11:26:42 +00:00
int size = (width * height) >> 2; // Hiroshi Morii <koolsmoky@users.sourceforge.net>
// 4 pixels are converted in one loop
// NOTE: width * height must be a multiple of 4
texConv_AI44_ARGB4444(src, dst, size);
2013-04-04 21:22:19 +00:00
}
2016-01-25 11:26:42 +00:00
void TexConv_A8_ARGB4444(unsigned char * src, unsigned char * dst, int width, int height)
2013-04-04 21:22:19 +00:00
{
2016-01-25 11:26:42 +00:00
int size = (width * height) >> 2; // Hiroshi Morii <koolsmoky@users.sourceforge.net>
// 4 pixels are converted in one loop
// NOTE: width * height must be a multiple of 4
texConv_A8_ARGB4444(src, dst, size);
2013-04-04 21:22:19 +00:00
}