X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=source%2Fgles2glide64%2Fsrc%2FGlide64%2FUtil.h;fp=source%2Fgles2glide64%2Fsrc%2FGlide64%2FUtil.h;h=f577a9ce18b702de95b70409154a8856ccd232a4;hb=98e75f2d18c02c233da543560f76282f04fc796c;hp=0000000000000000000000000000000000000000;hpb=0ced54f867d36e8b324155bef49e8abfebfc3237;p=mupen64plus-pandora.git diff --git a/source/gles2glide64/src/Glide64/Util.h b/source/gles2glide64/src/Glide64/Util.h new file mode 100644 index 0000000..f577a9c --- /dev/null +++ b/source/gles2glide64/src/Glide64/Util.h @@ -0,0 +1,133 @@ +/* +* 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. +// +//**************************************************************** + +#ifndef Util_H +#define Util_H + +#define NOT_TMU0 0x00 +#define NOT_TMU1 0x01 +#define NOT_TMU2 0x02 + +void util_init (); +void render_tri (wxUint16 linew = 0); + +int cull_tri (VERTEX **v); +void draw_tri (VERTEX **v, wxUint16 linew = 0); +void do_triangle_stuff (wxUint16 linew = 0, int old_interpolate = TRUE); +void do_triangle_stuff_2 (wxUint16 linew = 0); +void add_tri (VERTEX *v, int n, int type); +void apply_shade_mods (VERTEX *v); + +void update (); +void update_scissor (); + +void set_message_combiner (); + +float ScaleZ(float z); + +// positional and texel coordinate clipping +#define CCLIP(ux,lx,ut,lt,uc,lc) \ + if (ux > lx || lx < uc || ux > lc) { rdp.tri_n += 2; return; } \ + if (ux < uc) { \ + float p = (uc-ux)/(lx-ux); \ + ut = p*(lt-ut)+ut; \ + ux = uc; \ + } \ + if (lx > lc) { \ + float p = (lc-ux)/(lx-ux); \ + lt = p*(lt-ut)+ut; \ + lx = lc; \ + } + +#define CCLIP2(ux,lx,ut,lt,un,ln,uc,lc) \ + if (ux > lx || lx < uc || ux > lc) { rdp.tri_n += 2; return; } \ + if (ux < uc) { \ + float p = (uc-ux)/(lx-ux); \ + ut = p*(lt-ut)+ut; \ + un = p*(ln-un)+un; \ + ux = uc; \ + } \ + if (lx > lc) { \ + float p = (lc-ux)/(lx-ux); \ + lt = p*(lt-ut)+ut; \ + ln = p*(ln-un)+un; \ + lx = lc; \ + } + +#if defined(__GNUC__) + #define bswap32(x) __builtin_bswap32(x) +#elif defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_X64)) + #include + #define bswap32(x) _byteswap_ulong(x) +#else +static inline uint32_t bswap32(uint32_t val) +{ + return (((val & 0xff000000) >> 24) | + ((val & 0x00ff0000) >> 8) | + ((val & 0x0000ff00) << 8) | + ((val & 0x000000ff) << 24)); +} +#endif + +#define ALOWORD(x) (*((uint16_t*)&(x))) // low word + +template static inline T __ROR__(T value, unsigned int count) +{ + const unsigned int nbits = sizeof(T) * 8; + count %= nbits; + + T low = value << (nbits - count); + value >>= count; + value |= low; + return value; +} + +// rotate left +template static T __ROL__(T value, unsigned int count) +{ + const unsigned int nbits = sizeof(T) * 8; + count %= nbits; + + T high = value >> (nbits - count); + value <<= count; + value |= high; + return value; +} + +#endif // ifndef Util_H