d07c171f |
1 | /* |
2 | Copyright (C) 2003 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 _OGL_COMBINER_NV_H_ |
20 | #define _OGL_COMBINER_NV_H_ |
21 | |
22 | #include <vector> |
23 | |
24 | #include <SDL_opengl.h> |
25 | |
26 | #include "OGLExtCombiner.h" |
27 | #include "OGLDecodedMux.h" |
28 | |
29 | typedef struct { |
30 | uint8 a; |
31 | uint8 b; |
32 | uint8 c; |
33 | uint8 d; |
34 | } NVGeneralCombinerType; |
35 | |
36 | typedef struct { |
37 | uint8 a; |
38 | uint8 b; |
39 | uint8 c; |
40 | uint8 d; |
41 | uint8 e; |
42 | uint8 f; |
43 | uint8 g; |
44 | } NVFinalCombinerType; |
45 | |
46 | typedef struct { |
47 | GLenum variable; |
48 | GLenum input; |
49 | GLenum mapping; |
50 | GLenum componentUsage; |
51 | } NVCombinerInputType; |
52 | |
53 | typedef struct { |
54 | GLenum abOutput; |
55 | GLenum cdOutput; |
56 | GLenum sumOutput; |
57 | GLenum scale; |
58 | GLenum bias; |
59 | GLboolean abDotProduct; |
60 | GLboolean cdDotProduct; |
61 | GLboolean muxSum; |
62 | } NVCombinerOutputType; |
63 | |
64 | |
65 | typedef struct { |
66 | union { |
67 | struct { |
68 | NVGeneralCombinerType s1rgb; |
69 | NVGeneralCombinerType s1alpha; |
70 | NVGeneralCombinerType s2rgb; |
71 | NVGeneralCombinerType s2alpha; |
72 | NVFinalCombinerType finalrgb; |
73 | NVFinalCombinerType finalalpha; |
74 | }; |
75 | struct { |
76 | NVGeneralCombinerType generalCombiners[4]; |
77 | NVFinalCombinerType finalCombiners[2]; |
78 | }; |
79 | }; |
80 | int stagesUsed; |
81 | uint8 constant0; |
82 | uint8 constant1; |
83 | } NVRegisterCombinerParserType; |
84 | |
85 | typedef struct { |
86 | NVCombinerInputType stage1RGB[4]; |
87 | NVCombinerInputType stage1Alpha[4]; |
88 | NVCombinerOutputType stage1outputRGB; |
89 | NVCombinerOutputType stage1outputAlpha; |
90 | |
91 | NVCombinerInputType stage2RGB[4]; |
92 | NVCombinerInputType stage2Alpha[4]; |
93 | NVCombinerOutputType stage2outputRGB; |
94 | NVCombinerOutputType stage2outputAlpha; |
95 | |
96 | NVCombinerInputType finalStage[7]; |
97 | |
98 | int numOfStages; |
99 | |
100 | uint32 dwMux0; |
101 | uint32 dwMux1; |
102 | |
103 | uint8 constant0; |
104 | uint8 constant1; |
105 | #ifdef DEBUGGER |
106 | NVRegisterCombinerParserType parseResult; |
107 | #endif |
108 | } NVRegisterCombinerSettingType; |
109 | |
110 | class COGLColorCombinerNvidia : public COGLColorCombiner4 |
111 | { |
112 | public: |
113 | bool Initialize(void); |
114 | void InitCombinerBlenderForSimpleTextureDraw(uint32 tile=0); |
115 | protected: |
116 | friend class OGLDeviceBuilder; |
117 | |
118 | void InitCombinerCycle12(void); |
119 | void DisableCombiner(void); |
120 | void InitCombinerCycleCopy(void); |
121 | void InitCombinerCycleFill(void); |
122 | |
123 | |
124 | int FindCompiledMux(void); |
125 | void GenerateNVRegisterCombinerSetting(int); |
126 | void GenerateNVRegisterCombinerSettingConstants(int); // Compile the decodedMux into NV register combiner setting |
127 | void ApplyFogAtFinalStage(); |
128 | |
129 | void ParseDecodedMux(NVRegisterCombinerParserType &result); // Compile the decodedMux into NV register combiner setting |
130 | void ParseDecodedMuxForConstant(NVRegisterCombinerParserType &result); // Compile the decodedMux into NV register combiner setting |
131 | int SaveParserResult(const NVRegisterCombinerParserType &result); |
132 | |
133 | int StagesNeedToUse(COGLDecodedMux &mux, N64StageNumberType stage); |
134 | int Parse1Mux(COGLDecodedMux &mux, N64StageNumberType stage, NVGeneralCombinerType &res); // Compile the decodedMux into NV register combiner setting |
135 | int Parse1Mux2Stages(COGLDecodedMux &mux, N64StageNumberType stage, NVGeneralCombinerType &res, NVGeneralCombinerType &res2); |
136 | int Parse1MuxForStage2AndFinalStage(COGLDecodedMux &mux, N64StageNumberType stage, NVGeneralCombinerType &res, NVFinalCombinerType &fres); |
137 | void Parse1MuxForFinalStage(COGLDecodedMux &mux, N64StageNumberType stage, NVFinalCombinerType &fres); |
138 | void ByPassFinalStage(NVFinalCombinerType &fres); |
139 | void ByPassGeneralStage(NVGeneralCombinerType &res); |
140 | |
141 | GLenum ConstMap(uint8 c); |
142 | |
143 | COGLColorCombinerNvidia(CRender *pRender); |
144 | ~COGLColorCombinerNvidia(); |
145 | |
146 | std::vector<NVRegisterCombinerSettingType> m_vCompiledSettings; |
147 | |
148 | bool m_bNVSupported; // Is this NV OGL extension combiner supported by the video card driver? |
149 | |
150 | #ifdef DEBUGGER |
151 | void DisplaySimpleMuxString(void); |
152 | void DisplayNVCombinerString(NVRegisterCombinerSettingType &record); |
153 | #endif |
154 | |
155 | }; |
156 | |
157 | #endif |
158 | |