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Comparing cvsroot/libgender/material.C (file contents):
Revision 1.12 by root, Fri Oct 22 00:16:08 2004 UTC vs.
Revision 1.14 by root, Sat Oct 23 21:43:27 2004 UTC

1#include "opengl.h"
2#include "material.h"
3
4#include <cstdlib> 1#include <cstdlib>
5#include <cstring> 2#include <cstring>
6 3
7#include <algorithm> 4#include <algorithm>
8 5
9namespace shader { 6#include "opengl.h"
10 7#include "material.h"
11 refcounted::~refcounted () 8#include "util.h"
12 {
13#if 0
14 if (refcnt)
15 abort ();
16#endif
17 }
18
19 const char str_float [] = "float";
20 const char str_vec2 [] = "vec2";
21 const char str_vec3 [] = "vec3";
22 const char str_vec4 [] = "vec4";
23 const char str_mat2 [] = "mat2";
24 const char str_mat3 [] = "mat3";
25 const char str_mat4 [] = "mat4";
26
27 const char str_sampler_1d [] = "sampler1D";
28 const char str_sampler_1d_shadow [] = "sampler1DShadow";
29 const char str_sampler_2d [] = "sampler2D";
30 const char str_sampler_2d_shadow [] = "sampler2DShadow";
31 const char str_sampler_2d_rect [] = "sampler2DRect";
32 const char str_sampler_2d_rect_shadow [] = "sampler2DRectShadow";
33 const char str_sampler_3d [] = "sampler3D";
34 const char str_sampler_3d_rect [] = "sampler3DRect";
35 const char str_sampler_cube [] = "samplerCube";
36
37 static CGcontext cg_context = cgCreateContext ();
38
39 int var_i::next_name = 0;
40
41 var_i::var_i (CGtype cgtype, const char *typestr)
42 : typestr (typestr)
43 {
44 name = ++next_name;
45 param = cgCreateParameter (cg_context, cgtype);
46 }
47
48 var_i::~var_i ()
49 {
50 cgDestroyParameter (param);
51 }
52
53 void var_i::build_decl (ostringstream &b)
54 {
55 b << typestr << ' ' << "V" << name;
56 }
57
58 void uniform_i::build_decl (ostringstream &b)
59 {
60 b << "uniform " << typestr << ' ' << "V" << name;
61 }
62
63 void stream_i::build_decl (ostringstream &b)
64 {
65 b << typestr << ' ' << binding;
66 }
67
68 void var_i::build (shader_builder &b)
69 {
70 b << "V" << name;
71 }
72
73 void uniform_i::build (shader_builder &b)
74 {
75 var_i::build (b);
76
77 if (find (b.refs.begin (), b.refs.end (), uniform (*this)) == b.refs.end ())
78 b.refs.push_back (*this);
79 }
80
81 void stream_i::build (shader_builder &b)
82 {
83 b << binding;
84
85 if (find (b.streams.begin (), b.streams.end (), var (*this)) == b.streams.end ())
86 b.streams.push_back (*this);
87 }
88
89 void temporary_i::build (shader_builder &b)
90 {
91 var_i::build (b);
92
93 if (find (b.temps.begin (), b.temps.end (), var (*this)) == b.temps.end ())
94 b.temps.push_back (*this);
95 }
96
97 void fragment_const_string_i::build (shader_builder &b)
98 {
99 b << str;
100 }
101
102 struct vin vin;
103
104 // MUST update is-function below
105 varying_3f vin::position_3f ("gl_Vertex");
106 varying_4f vin::position_4f ("gl_Vertex");
107 varying_3f vin::normal_3f ("gl_Normal");
108 varying_3f vin::color_3f ("gl_Color");
109 varying_4f vin::color_4f ("gl_Color");
110 varying_3f vin::color2_3f ("gl_SecondaryColor");
111 varying_4f vin::color2_4f ("gl_SecondaryColor");
112 varying_1f vin::texcoord_1f[8] =
113 {
114 varying_1f ("gl_TexCoord[0]"), varying_1f ("gl_TexCoord[1]"), varying_1f ("gl_TexCoord[2]"), varying_1f ("gl_TexCoord[3]"),
115 varying_1f ("gl_TexCoord[4]"), varying_1f ("gl_TexCoord[5]"), varying_1f ("gl_TexCoord[6]"), varying_1f ("gl_TexCoord[7]"),
116 };
117 varying_2f vin::texcoord_2f[8] =
118 {
119 varying_2f ("gl_TexCoord[0]"), varying_2f ("gl_TexCoord[1]"), varying_2f ("gl_TexCoord[2]"), varying_2f ("gl_TexCoord[3]"),
120 varying_2f ("gl_TexCoord[4]"), varying_2f ("gl_TexCoord[5]"), varying_2f ("gl_TexCoord[6]"), varying_2f ("gl_TexCoord[7]"),
121 };
122 varying_3f vin::texcoord_3f[8] =
123 {
124 varying_3f ("gl_TexCoord[0]"), varying_3f ("gl_TexCoord[1]"), varying_3f ("gl_TexCoord[2]"), varying_3f ("gl_TexCoord[3]"),
125 varying_3f ("gl_TexCoord[4]"), varying_3f ("gl_TexCoord[5]"), varying_3f ("gl_TexCoord[6]"), varying_3f ("gl_TexCoord[7]"),
126 };
127 varying_4f vin::texcoord_4f[8] =
128 {
129 varying_4f ("gl_TexCoord[0]"), varying_4f ("gl_TexCoord[1]"), varying_4f ("gl_TexCoord[2]"), varying_4f ("gl_TexCoord[3]"),
130 varying_4f ("gl_TexCoord[4]"), varying_4f ("gl_TexCoord[5]"), varying_4f ("gl_TexCoord[6]"), varying_4f ("gl_TexCoord[7]"),
131 };
132 varying_1f vin::psize_1f ("PSIZE");
133
134 bool vin::is (const var &r)
135 {
136 return r == vin::position_3f
137 || r == vin::position_4f
138 || r == vin::normal_3f
139 || r == vin::color_3f
140 || r == vin::color_4f
141 || r == vin::color2_3f
142 || r == vin::color2_4f
143 || r == vin::texcoord_1f[0] || r == vin::texcoord_1f[1] || r == vin::texcoord_1f[2] || r == vin::texcoord_1f[3]
144 || r == vin::texcoord_1f[4] || r == vin::texcoord_1f[5] || r == vin::texcoord_1f[6] || r == vin::texcoord_1f[7]
145 || r == vin::texcoord_2f[0] || r == vin::texcoord_2f[1] || r == vin::texcoord_2f[2] || r == vin::texcoord_2f[3]
146 || r == vin::texcoord_2f[4] || r == vin::texcoord_2f[5] || r == vin::texcoord_2f[6] || r == vin::texcoord_2f[7]
147 || r == vin::texcoord_3f[0] || r == vin::texcoord_3f[1] || r == vin::texcoord_3f[2] || r == vin::texcoord_3f[3]
148 || r == vin::texcoord_3f[4] || r == vin::texcoord_3f[5] || r == vin::texcoord_3f[6] || r == vin::texcoord_3f[7]
149 || r == vin::texcoord_4f[0] || r == vin::texcoord_4f[1] || r == vin::texcoord_4f[2] || r == vin::texcoord_4f[3]
150 || r == vin::texcoord_4f[4] || r == vin::texcoord_4f[5] || r == vin::texcoord_4f[6] || r == vin::texcoord_4f[7];
151 }
152
153 struct fin fin;
154 struct fin &vout = fin;
155
156 // MUST update is-function below
157 varying_4f fin::position_4f ("gl_Position");
158 varying_4f fin::color_4f ("gl_Color");
159 varying_4f fin::color2_4f ("gl_SecondaryColor");
160 varying_4f fin::texcoord_4f[8] =
161 {
162 varying_4f ("gl_TexCoord[0]"), varying_4f ("gl_TexCoord[1]"), varying_4f ("gl_TexCoord[2]"), varying_4f ("gl_TexCoord[3]"),
163 varying_4f ("gl_TexCoord[4]"), varying_4f ("gl_TexCoord[5]"), varying_4f ("gl_TexCoord[6]"), varying_4f ("gl_TexCoord[7]"),
164 };
165
166 bool fin::is (const var &r)
167 {
168 return r == fin::position_4f
169 || r == fin::color_4f
170 || r == fin::color2_4f
171 || r == fin::texcoord_4f[0]
172 || r == fin::texcoord_4f[1]
173 || r == fin::texcoord_4f[2]
174 || r == fin::texcoord_4f[3]
175 || r == fin::texcoord_4f[4]
176 || r == fin::texcoord_4f[5]
177 || r == fin::texcoord_4f[6]
178 || r == fin::texcoord_4f[7];
179 }
180
181 struct fout fout;
182
183 // MUST update is-function below
184 varying_4f fout::color_4f ("gl_FragColor");
185 varying_1f fout::depth_1f ("gl_FragDepth");
186
187 bool fout::is (const var &r)
188 {
189 return r == fout::color_4f
190 || r == fout::depth_1f;
191 }
192
193 uniform_matrix_4f mvp, mv, proj;
194
195 void fragment_vector_i::build (shader_builder &b)
196 {
197 for (vector<fragment>::iterator i = begin (); i != end (); i++)
198 (*i)->build (b);
199 }
200
201 void shader_program::print ()
202 {
203 shader_builder b;
204 build (b);
205 ostringstream os;
206
207 for (vector<uniform>::iterator i = b.refs.begin (); i != b.refs.end (); i++)
208 {
209 (*i)->build_decl (os);
210 os << ";\n";
211 }
212
213#if 0
214 // not neccessary right now, as GLSL is rich on predefinitions
215 for (vector<var>::iterator i = b.streams.begin (); i != b.streams.end (); i++)
216 {
217 if (vout.is (*i) || fout.is (*i))
218 os << "varying ";
219 else if (vin.is (*i))
220 os << "attribute ";
221
222 (*i)->build_decl (os);
223 os << ";\n";
224 }
225#endif
226
227 os << "\nvoid main ()\n{\n";
228
229 for (vector<var>::iterator i = b.temps.begin (); i != b.temps.end (); i++)
230 {
231 (*i)->build_decl (os);
232 os << ";\n";
233 }
234
235 os << "\n";
236 os << b.source.str ();
237 os << "\n}\n";
238
239 printf ("%s\n", os.str ().c_str ());
240
241 }
242
243void debdebdebdebug ()//D
244{
245 vertex_program p;
246 temp_4f t1, t2;
247 sampler_2d s2d (1);
248
249 p << t2 << " = tex2D (" << s2d << ", " << vin.position_4f << ".xy);\n";
250 p << t1 << " = mul (" << vin.position_4f << "," << mvp << ");\n";
251 p << vout.position_4f << " = " << t1 << ";\n";
252
253 p.print ();
254 exit (0);
255}
256
257}
258 9
259material::~material () 10material::~material ()
260{ 11{
261} 12}
262 13

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