d07c171f |
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 | #ifndef _DECODEDMUX_H_ |
20 | #define _DECODEDMUX_H_ |
21 | |
22 | #include <string.h> |
23 | #include <stdio.h> |
24 | |
25 | #include "typedefs.h" |
26 | #include "CombinerDefs.h" |
27 | |
28 | typedef enum { |
29 | N64Cycle0RGB=0, |
30 | N64Cycle0Alpha=1, |
31 | N64Cycle1RGB=2, |
32 | N64Cycle1Alpha=3, |
33 | } N64StageNumberType; |
34 | |
35 | typedef union { |
36 | struct { |
37 | uint32 dwMux0; |
38 | uint32 dwMux1; |
39 | }; |
40 | uint64 Mux64; |
41 | } MuxType; |
42 | |
43 | typedef struct { |
44 | MuxType ori_mux; |
45 | MuxType simple_mux; |
46 | } SimpleMuxMapType; |
47 | |
48 | class DecodedMux |
49 | { |
50 | public: |
51 | union { |
52 | struct { |
53 | uint8 aRGB0; |
54 | uint8 bRGB0; |
55 | uint8 cRGB0; |
56 | uint8 dRGB0; |
57 | |
58 | uint8 aA0; |
59 | uint8 bA0; |
60 | uint8 cA0; |
61 | uint8 dA0; |
62 | |
63 | uint8 aRGB1; |
64 | uint8 bRGB1; |
65 | uint8 cRGB1; |
66 | uint8 dRGB1; |
67 | |
68 | uint8 aA1; |
69 | uint8 bA1; |
70 | uint8 cA1; |
71 | uint8 dA1; |
72 | }; |
73 | uint8 m_bytes[16]; |
74 | uint32 m_dWords[4]; |
75 | N64CombinerType m_n64Combiners[4]; |
76 | }; |
77 | |
78 | union { |
79 | struct { |
80 | uint32 m_dwMux0; |
81 | uint32 m_dwMux1; |
82 | }; |
83 | uint64 m_u64Mux; |
84 | }; |
85 | |
86 | CombinerFormatType splitType[4]; |
87 | CombinerFormatType mType; |
88 | |
89 | uint32 m_dwShadeColorChannelFlag; |
90 | uint32 m_dwShadeAlphaChannelFlag; |
91 | uint32 m_ColorTextureFlag[2]; // I may use a texture to represent a constant color |
92 | // when there are more constant colors are used than |
93 | // the system can support |
94 | |
95 | bool m_bShadeIsUsed[2]; // 0 for color channel, 1 for alpha channel |
96 | bool m_bTexel0IsUsed; |
97 | bool m_bTexel1IsUsed; |
98 | |
99 | int m_maxConstants; // OpenGL 1.1 does not really support a constant color in combiner |
100 | // must use shade for constants; |
101 | int m_maxTextures; // 1 or 2 |
102 | |
103 | |
104 | void Decode(uint32 dwMux0, uint32 dwMux1); |
105 | virtual void Hack(void); |
106 | bool isUsed(uint8 fac, uint8 mask=MUX_MASK); |
107 | bool isUsedInAlphaChannel(uint8 fac, uint8 mask=MUX_MASK); |
108 | bool isUsedInColorChannel(uint8 fac, uint8 mask=MUX_MASK); |
109 | bool isUsedInCycle(uint8 fac, int cycle, CombineChannel channel, uint8 mask=MUX_MASK); |
110 | bool isUsedInCycle(uint8 fac, int cycle, uint8 mask=MUX_MASK); |
111 | uint32 GetCycle(int cycle, CombineChannel channel); |
112 | uint32 GetCycle(int cycle); |
113 | CombinerFormatType GetCombinerFormatType(uint32 cycle); |
114 | void Display(bool simplified=true, FILE *fp=NULL); |
115 | static char* FormatStr(uint8 val, char *buf); |
116 | void CheckCombineInCycle1(void); |
117 | virtual void Simplify(void); |
118 | virtual void Reformat(bool do_complement = true); |
119 | virtual void To_AB_Add_CD_Format(void); // Use by TNT,Geforce |
120 | virtual void To_AB_Add_C_Format(void); // Use by ATI Radeon |
121 | |
122 | virtual void MergeShadeWithConstants(void); |
123 | virtual void MergeShadeWithConstantsInChannel(CombineChannel channel); |
124 | virtual void MergeConstants(void); |
125 | virtual void UseShadeForConstant(void); |
126 | virtual void UseTextureForConstant(void); |
127 | |
128 | void ConvertComplements(); |
129 | int HowManyConstFactors(); |
130 | int HowManyTextures(); |
131 | void MergeConstFactors(); |
132 | virtual void SplitComplexStages(); // Only used if the combiner supports more than 1 stages |
133 | void ConvertLODFracTo0(); |
134 | void ReplaceVal(uint8 val1, uint8 val2, int cycle= -1, uint8 mask = MUX_MASK); |
135 | void Replace1Val(uint8 &val1, const uint8 val2, uint8 mask = MUX_MASK) |
136 | { |
137 | val1 &= (~mask); |
138 | val1 |= val2; |
139 | } |
140 | int CountTexels(void); |
141 | int Count(uint8 val, int cycle= -1, uint8 mask = MUX_MASK); |
142 | |
143 | #ifdef DEBUGGER |
144 | void DisplayMuxString(const char *prompt); |
145 | void DisplaySimpliedMuxString(const char *prompt); |
146 | void DisplayConstantsWithShade(uint32 flag,CombineChannel channel); |
147 | #else |
148 | void DisplayMuxString(const char *prompt) {} |
149 | void DisplaySimpliedMuxString(const char *prompt){} |
150 | void DisplayConstantsWithShade(uint32 flag,CombineChannel channel){} |
151 | void LogMuxString(const char *prompt, FILE *fp); |
152 | void LogSimpliedMuxString(const char *prompt, FILE *fp); |
153 | void LogConstantsWithShade(uint32 flag,CombineChannel channel, FILE *fp); |
154 | #endif |
155 | |
156 | virtual DecodedMux& operator=(const DecodedMux& mux) |
157 | { |
158 | m_dWords[0] = mux.m_dWords[0]; |
159 | m_dWords[1] = mux.m_dWords[1]; |
160 | m_dWords[2] = mux.m_dWords[2]; |
161 | m_dWords[3] = mux.m_dWords[3]; |
162 | m_u64Mux = mux.m_u64Mux; |
163 | splitType[0] = mux.splitType[0]; |
164 | splitType[1] = mux.splitType[1]; |
165 | splitType[2] = mux.splitType[2]; |
166 | splitType[3] = mux.splitType[3]; |
167 | mType = mux.mType; |
168 | |
169 | m_dwShadeColorChannelFlag = mux.m_dwShadeColorChannelFlag; |
170 | m_dwShadeAlphaChannelFlag = mux.m_dwShadeAlphaChannelFlag; |
171 | |
172 | m_bShadeIsUsed[0] = mux.m_bShadeIsUsed[0]; |
173 | m_bShadeIsUsed[1] = mux.m_bShadeIsUsed[1]; |
174 | m_bTexel0IsUsed = mux.m_bTexel0IsUsed; |
175 | m_bTexel1IsUsed = mux.m_bTexel1IsUsed; |
176 | |
177 | m_maxConstants = mux.m_maxConstants; |
178 | m_maxTextures = mux.m_maxTextures; |
179 | m_ColorTextureFlag[0] = mux.m_ColorTextureFlag[0]; |
180 | m_ColorTextureFlag[1] = mux.m_ColorTextureFlag[1]; |
181 | |
182 | return *this; |
183 | } |
184 | |
185 | static inline bool IsConstFactor(uint8 val) |
186 | { |
187 | uint8 v = val&MUX_MASK; |
188 | return( v == MUX_0 || v == MUX_1 || v == MUX_PRIM || v == MUX_ENV || v == MUX_LODFRAC || v == MUX_PRIMLODFRAC ); |
189 | } |
190 | |
191 | DecodedMux() |
192 | { |
193 | memset(m_bytes, 0, sizeof(m_bytes)); |
194 | mType=CM_FMT_TYPE_NOT_CHECKED; |
195 | for( int i=0; i<4; i++ ) |
196 | { |
197 | splitType[i] = CM_FMT_TYPE_NOT_CHECKED; |
198 | } |
199 | m_maxConstants = 1; |
200 | m_maxTextures = 2; |
201 | } |
202 | |
203 | virtual ~DecodedMux() {} |
204 | }; |
205 | |
206 | class DecodedMuxForPixelShader : public DecodedMux |
207 | { |
208 | public: |
209 | virtual void Simplify(void); |
210 | void SplitComplexStages() {}; |
211 | }; |
212 | |
213 | class DecodedMuxForSemiPixelShader : public DecodedMux |
214 | { |
215 | public: |
216 | void Reset(void); |
217 | }; |
218 | |
219 | class DecodedMuxForOGL14V2 : public DecodedMuxForPixelShader |
220 | { |
221 | public: |
222 | virtual void Simplify(void); |
223 | void UseTextureForConstant(void); |
224 | }; |
225 | |
226 | typedef struct |
227 | { |
228 | bool bFurtherFormatForOGL2; |
229 | bool bUseShadeForConstants; |
230 | bool bUseTextureForConstants; |
231 | bool bUseMoreThan2TextureForConstants; |
232 | bool bReformatToAB_CD; |
233 | bool bAllowHack; |
234 | bool bAllowComplimentary; |
235 | bool bCheckCombineInCycle1; |
236 | bool bSetLODFracTo0; |
237 | bool bMergeShadeWithConstants; |
238 | bool bSplitComplexStage; |
239 | bool bReformatAgainWithTwoTexels; |
240 | } MuxConverterOptions; |
241 | |
242 | #endif |
243 | |
244 | |