| 1 | /* |
| 2 | Copyright (C) 2002 Rice1964 |
| 3 | |
| 4 | This program is free software; you can redistribute it and/or |
| 5 | modify it under the terms of the GNU General Public License |
| 6 | as published by the Free Software Foundation; either version 2 |
| 7 | of the License, or (at your option) any later version. |
| 8 | |
| 9 | This program is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | GNU General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU General Public License |
| 15 | along with this program; if not, write to the Free Software |
| 16 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 17 | |
| 18 | */ |
| 19 | |
| 20 | #ifndef _COMBINER_DEFS_H_ |
| 21 | #define _COMBINER_DEFS_H_ |
| 22 | |
| 23 | #include "typedefs.h" |
| 24 | |
| 25 | #define MUX_MASK 0x1F |
| 26 | #define MUX_MASK_WITH_ALPHA 0x5F |
| 27 | #define MUX_MASK_WITH_NEG 0x3F |
| 28 | #define MUX_MASK_WITH_COMP 0x9F |
| 29 | enum |
| 30 | { |
| 31 | MUX_0 = 0, |
| 32 | MUX_1, |
| 33 | MUX_COMBINED, |
| 34 | MUX_TEXEL0, |
| 35 | MUX_TEXEL1, |
| 36 | MUX_PRIM, |
| 37 | MUX_SHADE, |
| 38 | MUX_ENV, |
| 39 | MUX_COMBALPHA, |
| 40 | MUX_T0_ALPHA, |
| 41 | MUX_T1_ALPHA, |
| 42 | MUX_PRIM_ALPHA, |
| 43 | MUX_SHADE_ALPHA, |
| 44 | MUX_ENV_ALPHA, |
| 45 | MUX_LODFRAC, |
| 46 | MUX_PRIMLODFRAC, |
| 47 | MUX_K5, |
| 48 | MUX_UNK, //Use this if you want to factor to be set to 0 |
| 49 | |
| 50 | // Don't change value of these three flags, then need to be within 1 uint8 |
| 51 | MUX_NEG = 0x20, //Support by NVidia register combiner |
| 52 | MUX_ALPHAREPLICATE = 0x40, |
| 53 | MUX_COMPLEMENT = 0x80, |
| 54 | MUX_FORCE_0 = 0xFE, |
| 55 | MUX_ERR = 0xFF, |
| 56 | }; |
| 57 | |
| 58 | |
| 59 | enum CombinerFormatType |
| 60 | { |
| 61 | CM_FMT_TYPE_NOT_USED, |
| 62 | CM_FMT_TYPE_D, // = A can mapped to SEL(arg1) |
| 63 | CM_FMT_TYPE_A_MOD_C, // = A*C can mapped to MOD(arg1,arg2) |
| 64 | CM_FMT_TYPE_A_ADD_D, // = A+D can mapped to ADD(arg1,arg2) |
| 65 | CM_FMT_TYPE_A_SUB_B, // = A-B can mapped to SUB(arg1,arg2) |
| 66 | CM_FMT_TYPE_A_MOD_C_ADD_D, // = A*C+D can mapped to MULTIPLYADD(arg1,arg2,arg0) |
| 67 | CM_FMT_TYPE_A_LERP_B_C, // = (A-B)*C+B can mapped to LERP(arg1,arg2,arg0) |
| 68 | // or mapped to BLENDALPHA(arg1,arg2) if C is |
| 69 | // alpha channel or DIF, TEX, FAC, CUR |
| 70 | CM_FMT_TYPE_A_SUB_B_ADD_D, // = A-B+C can not map very well in 1 stage |
| 71 | CM_FMT_TYPE_A_SUB_B_MOD_C, // = (A-B)*C can not map very well in 1 stage |
| 72 | CM_FMT_TYPE_A_ADD_B_MOD_C, // = (A+B)*C can not map very well in 1 stage |
| 73 | CM_FMT_TYPE_A_B_C_D, // = (A-B)*C+D can not map very well in 1 stage |
| 74 | CM_FMT_TYPE_A_B_C_A, // = (A-B)*C+D can not map very well in 1 stage |
| 75 | |
| 76 | // Don't use these two types in default functions |
| 77 | CM_FMT_TYPE_AB_ADD_CD, // = A*B+C*D Use by nvidia video cards |
| 78 | CM_FMT_TYPE_AB_SUB_CD, // = A*B-C*D Use by nvidia video cards |
| 79 | CM_FMT_TYPE_AB_ADD_C, // = A*B+C Use by ATI video cards |
| 80 | CM_FMT_TYPE_AB_SUB_C, // = A*B-C Use by ATI video cards |
| 81 | CM_FMT_TYPE_NOT_CHECKED = 0xFF, |
| 82 | }; |
| 83 | |
| 84 | |
| 85 | typedef enum { |
| 86 | ENABLE_BOTH, |
| 87 | DISABLE_ALPHA, |
| 88 | DISABLE_COLOR, |
| 89 | DISABLE_BOTH, |
| 90 | COLOR_ONE, |
| 91 | ALPHA_ONE, |
| 92 | } BlendingFunc; |
| 93 | |
| 94 | |
| 95 | typedef enum { |
| 96 | COLOR_CHANNEL, |
| 97 | ALPHA_CHANNEL, |
| 98 | } CombineChannel; |
| 99 | |
| 100 | |
| 101 | |
| 102 | typedef struct { |
| 103 | uint8 a; |
| 104 | uint8 b; |
| 105 | uint8 c; |
| 106 | uint8 d; |
| 107 | } N64CombinerType; |
| 108 | |
| 109 | #define CONST_FLAG4(a,b,c,d) (a|(b<<8)|(c<<16)|(d<<24)) //(A-B)*C+D |
| 110 | #define CONST_MOD(a,b) (a|(b<<16)) //A*B |
| 111 | #define CONST_SEL(a) (a<<24) //=D |
| 112 | #define CONST_ADD(a,b) (a|b<<24) //A+D |
| 113 | #define CONST_SUB(a,b) (a|b<<8) //A-B |
| 114 | #define CONST_MULADD(a,b,c) (a|b<<16|c<<24) //A*C+D |
| 115 | |
| 116 | #define G_CCMUX_TEXEL1 2 |
| 117 | #define G_ACMUX_TEXEL1 2 |
| 118 | |
| 119 | #define NOTUSED MUX_0 |
| 120 | |
| 121 | enum { TEX_0=0, TEX_1=1}; |
| 122 | |
| 123 | |
| 124 | |
| 125 | typedef struct { |
| 126 | uint32 op; |
| 127 | uint32 Arg1; |
| 128 | uint32 Arg2; |
| 129 | uint32 Arg0; |
| 130 | } StageOperate; |
| 131 | |
| 132 | #endif |
| 133 | |
| 134 | |
| 135 | |