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1 | /* |
2 | Copyright (C) 2005 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_FRAGMENT_SHADER_H_ |
20 | #define _OGL_FRAGMENT_SHADER_H_ |
21 | |
22 | #include <vector> |
23 | |
24 | #include "osal_opengl.h" |
25 | |
26 | #include "OGLCombiner.h" |
27 | #include "OGLExtCombiner.h" |
28 | #include "GeneralCombiner.h" |
29 | |
30 | typedef struct { |
31 | uint32 dwMux0; |
32 | uint32 dwMux1; |
33 | |
34 | bool fogIsUsed; |
35 | bool alphaTest; |
36 | GLuint fragmentShaderID; |
37 | GLuint vertexShaderID; |
38 | GLuint programID; |
39 | |
40 | GLint PrimColorLocation; |
41 | GLint EnvColorLocation; |
42 | GLint PrimFracLocation; |
43 | GLint EnvFracLocation; |
44 | GLint AlphaRefLocation; |
45 | GLint FogColorLocation; |
46 | GLint FogMinMaxLocation; |
47 | |
48 | } OGLShaderCombinerSaveType; |
49 | |
50 | |
51 | class COGL_FragmentProgramCombiner : public COGLColorCombiner4 |
52 | { |
53 | public: |
54 | bool Initialize(void); |
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55 | void SetFogState(bool bEnable) |
56 | { |
57 | bFogState = bEnable; |
58 | } |
59 | void SetAlphaTestState(bool bEnable) |
60 | { |
61 | bAlphaTestState = bEnable; |
62 | } |
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63 | |
64 | protected: |
65 | friend class OGLDeviceBuilder; |
66 | |
67 | void DisableCombiner(void); |
68 | void InitCombinerCycleCopy(void); |
69 | void InitCombinerCycleFill(void); |
70 | void InitCombinerCycle12(void); |
71 | |
72 | COGL_FragmentProgramCombiner(CRender *pRender); |
73 | ~COGL_FragmentProgramCombiner(); |
74 | |
75 | bool m_bFragmentProgramIsSupported; |
76 | std::vector<OGLShaderCombinerSaveType> m_vCompiledShaders; |
77 | |
78 | private: |
79 | virtual int ParseDecodedMux(); |
80 | virtual void GenerateProgramStr(); |
81 | int FindCompiledMux(); |
82 | virtual void GenerateCombinerSetting(int index); |
83 | virtual void GenerateCombinerSettingConstants(int index); |
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84 | float m_AlphaRef; |
85 | bool bAlphaTestState; |
86 | bool bAlphaTestPreviousState; |
87 | bool bFogState; |
88 | bool bFogPreviousState; |
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89 | |
90 | #ifdef DEBUGGER |
91 | void DisplaySimpleMuxString(void); |
92 | #endif |
93 | |
94 | }; |
95 | |
96 | |
97 | |
98 | class COGLFragmentShaderCombiner : public COGLColorCombiner |
99 | { |
100 | public: |
101 | bool Initialize(void); |
102 | void InitCombinerBlenderForSimpleTextureDraw(uint32 tile=0); |
103 | protected: |
104 | friend class OGLDeviceBuilder; |
105 | |
106 | void DisableCombiner(void); |
107 | void InitCombinerCycleCopy(void); |
108 | void InitCombinerCycleFill(void); |
109 | void InitCombinerCycle12(void); |
110 | |
111 | COGLFragmentShaderCombiner(CRender *pRender); |
112 | ~COGLFragmentShaderCombiner(); |
113 | |
114 | bool m_bShaderIsSupported; |
115 | |
116 | #ifdef DEBUGGER |
117 | void DisplaySimpleMuxString(void); |
118 | #endif |
119 | |
120 | }; |
121 | |
122 | |
123 | #endif |
124 | |