2 * Glide64 - Glide video plugin for Nintendo 64 emulators.
3 * Copyright (c) 2002 Dave2001
4 * Copyright (c) 2003-2009 Sergey 'Gonetz' Lipski
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 //****************************************************************
23 // Glide64 - Glide Plugin for Nintendo 64 emulators
24 // Project started on December 29th, 2001
27 // Dave2001, original author, founded the project in 2001, left it in 2002
28 // Gugaman, joined the project in 2002, left it in 2002
29 // Sergey 'Gonetz' Lipski, joined the project in 2002, main author since fall of 2002
30 // Hiroshi 'KoolSmoky' Morii, joined the project in 2007
32 //****************************************************************
35 // * 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.
36 // * 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.
38 //****************************************************************
40 static inline void load16bRGBA(uint8_t *src, uint8_t *dst, int wid_64, int height, int line, int ext)
67 ALOWORD(v10) = __ROR__((uint16_t)v10, 1);
68 ALOWORD(v11) = __ROR__((uint16_t)v11, 1);
69 v10 = __ROR__(v10, 16);
70 v11 = __ROR__(v11, 16);
71 ALOWORD(v10) = __ROR__((uint16_t)v10, 1);
72 ALOWORD(v11) = __ROR__((uint16_t)v11, 1);
83 v12 = (uint32_t *)&src[(line + (uintptr_t)v6 - (uintptr_t)src) & 0xFFF];
84 v13 = (uint32_t *)((char *)v7 + ext);
88 v15 = bswap32(v12[1]);
90 ALOWORD(v15) = __ROR__((uint16_t)v15, 1);
91 ALOWORD(v16) = __ROR__((uint16_t)v16, 1);
92 v15 = __ROR__(v15, 16);
93 v16 = __ROR__(v16, 16);
94 ALOWORD(v15) = __ROR__((uint16_t)v15, 1);
95 ALOWORD(v16) = __ROR__((uint16_t)v16, 1);
103 v6 = (uint32_t *)&src[(line + (uintptr_t)v12 - (uintptr_t)src) & 0xFFF];
104 v7 = (uint32_t *)((char *)v13 + ext);
110 static inline void load16bIA(uint8_t *src, uint8_t *dst, int wid_64, int height, int line, int ext)
124 v6 = (uint32_t *)src;
125 v7 = (uint32_t *)dst;
144 v11 = (uint32_t *)((char *)v6 + line);
145 v12 = (uint32_t *)((char *)v7 + ext);
157 v6 = (uint32_t *)((char *)v11 + line);
158 v7 = (uint32_t *)((char *)v12 + ext);
165 //****************************************************************
166 // Size: 2, Format: 0
169 wxUint32 Load16bRGBA (wxUIntPtr dst, wxUIntPtr src, int wid_64, int height, int line, int real_width, int tile)
171 if (wid_64 < 1) wid_64 = 1;
172 if (height < 1) height = 1;
173 int ext = (real_width - (wid_64 << 2)) << 1;
175 load16bRGBA((uint8_t *)src, (uint8_t *)dst, wid_64, height, line, ext);
177 return (1 << 16) | GR_TEXFMT_ARGB_1555;
180 //****************************************************************
181 // Size: 2, Format: 3
183 // ** by Gugaman/Dave2001 **
185 wxUint32 Load16bIA (wxUIntPtr dst, wxUIntPtr src, int wid_64, int height, int line, int real_width, int tile)
187 if (wid_64 < 1) wid_64 = 1;
188 if (height < 1) height = 1;
189 int ext = (real_width - (wid_64 << 2)) << 1;
191 load16bIA((uint8_t *)src, (uint8_t *)dst, wid_64, height, line, ext);
193 return (1 << 16) | GR_TEXFMT_ALPHA_INTENSITY_88;
196 //****************************************************************
197 // Size: 2, Format: 1
200 wxUint16 yuv_to_rgb565(wxUint8 y, wxUint8 u, wxUint8 v)
203 float r = y + (1.370705f * (v-128));
204 float g = y - (0.698001f * (v-128)) - (0.337633f * (u-128));
205 float b = y + (1.732446f * (u-128));
209 //clipping the result
216 wxUint16 c = (wxUint16)(((wxUint16)(r) << 11) |
217 ((wxUint16)(g) << 5) |
222 const wxUint32 c = y - 16;
223 const wxUint32 d = u - 128;
224 const wxUint32 e = v - 128;
226 wxUint32 r = (298 * c + 409 * e + 128) & 0xf800;
227 wxUint32 g = ((298 * c - 100 * d - 208 * e + 128) >> 5) & 0x7e0;
228 wxUint32 b = ((298 * c + 516 * d + 128) >> 11) & 0x1f;
230 WORD texel = (WORD)(r | g | b);
236 //****************************************************************
237 // Size: 2, Format: 1
240 wxUint32 Load16bYUV (wxUIntPtr dst, wxUIntPtr src, int wid_64, int height, int line, int real_width, int tile)
242 wxUint32 * mb = (wxUint32*)(gfx.RDRAM+rdp.addr[rdp.tiles[tile].t_mem]); //pointer to the macro block
243 wxUint16 * tex = (wxUint16*)dst;
245 for (i = 0; i < 128; i++)
247 wxUint32 t = mb[i]; //each wxUint32 contains 2 pixels
248 wxUint8 y1 = (wxUint8)t&0xFF;
249 wxUint8 v = (wxUint8)(t>>8)&0xFF;
250 wxUint8 y0 = (wxUint8)(t>>16)&0xFF;
251 wxUint8 u = (wxUint8)(t>>24)&0xFF;
252 wxUint16 c = yuv_to_rgb565(y0, u, v);
254 c = yuv_to_rgb565(y1, u, v);
257 return (1 << 16) | GR_TEXFMT_RGB_565;