| 1 | #include "opengl.h" |
1 | #include "opengl.h" |
| 2 | #include "material.h" |
2 | #include "material.h" |
| 3 | |
3 | |
|
|
4 | #include <cstdlib> |
|
|
5 | #include <cstring> |
|
|
6 | |
|
|
7 | #include <algorithm> |
|
|
8 | |
|
|
9 | namespace shader { |
|
|
10 | |
|
|
11 | refcounted::~refcounted () |
|
|
12 | { |
|
|
13 | #if 0 |
|
|
14 | if (refcnt) |
|
|
15 | abort (); |
|
|
16 | #endif |
|
|
17 | } |
|
|
18 | |
|
|
19 | const char str_float [] = "float"; |
|
|
20 | const char str_float2 [] = "float2"; |
|
|
21 | const char str_float3 [] = "float3"; |
|
|
22 | const char str_float4 [] = "float4"; |
|
|
23 | const char str_float4x4 [] = "float4x4"; |
|
|
24 | |
|
|
25 | static CGcontext cg_context = cgCreateContext (); |
|
|
26 | |
|
|
27 | int var_i::next_name = 0; |
|
|
28 | |
|
|
29 | var_i::var_i (CGtype cgtype, const char *typestr) |
|
|
30 | : typestr (typestr) |
|
|
31 | { |
|
|
32 | name = ++next_name; |
|
|
33 | param = cgCreateParameter (cg_context, cgtype); |
|
|
34 | } |
|
|
35 | |
|
|
36 | var_i::~var_i () |
|
|
37 | { |
|
|
38 | cgDestroyParameter (param); |
|
|
39 | } |
|
|
40 | |
|
|
41 | void var_i::build_decl (ostringstream &b) |
|
|
42 | { |
|
|
43 | b << typestr << ' ' << "V" << name; |
|
|
44 | } |
|
|
45 | |
|
|
46 | void uniform_i::build_decl (ostringstream &b) |
|
|
47 | { |
|
|
48 | b << "uniform " << typestr << ' ' << "V" << name; |
|
|
49 | } |
|
|
50 | |
|
|
51 | void stream_i::build_decl (ostringstream &b) |
|
|
52 | { |
|
|
53 | b << typestr << ' ' << "V" << name; |
|
|
54 | b << " : " << binding; |
|
|
55 | } |
|
|
56 | |
|
|
57 | void var_i::build (shader_builder &b) |
|
|
58 | { |
|
|
59 | b << "V" << name; |
|
|
60 | } |
|
|
61 | |
|
|
62 | void uniform_i::build (shader_builder &b) |
|
|
63 | { |
|
|
64 | var_i::build (b); |
|
|
65 | |
|
|
66 | if (find (b.refs.begin (), b.refs.end (), uniform (*this)) == b.refs.end ()) |
|
|
67 | b.refs.push_back (*this); |
|
|
68 | } |
|
|
69 | |
|
|
70 | void stream_i::build (shader_builder &b) |
|
|
71 | { |
|
|
72 | var_i::build (b); |
|
|
73 | |
|
|
74 | if (find (b.streams.begin (), b.streams.end (), var (*this)) == b.streams.end ()) |
|
|
75 | b.streams.push_back (*this); |
|
|
76 | } |
|
|
77 | |
|
|
78 | void temporary_i::build (shader_builder &b) |
|
|
79 | { |
|
|
80 | var_i::build (b); |
|
|
81 | |
|
|
82 | if (find (b.temps.begin (), b.temps.end (), var (*this)) == b.temps.end ()) |
|
|
83 | b.temps.push_back (*this); |
|
|
84 | } |
|
|
85 | |
|
|
86 | void fragment_const_string_i::build (shader_builder &b) |
|
|
87 | { |
|
|
88 | b << str; |
|
|
89 | } |
|
|
90 | |
|
|
91 | struct vin vin; |
|
|
92 | |
|
|
93 | // MUST update is-function below |
|
|
94 | varying_3f vin::position_3f ("POSITION"); |
|
|
95 | varying_4f vin::position_4f ("POSITION"); |
|
|
96 | varying_3f vin::normal_3f ("NORMAL"); |
|
|
97 | varying_4f vin::normal_4f ("NORMAL"); |
|
|
98 | varying_3f vin::color0_3f ("COLOR0"); |
|
|
99 | varying_4f vin::color0_4f ("COLOR0"); |
|
|
100 | varying_3f vin::color1_3f ("COLOR1"); |
|
|
101 | varying_4f vin::color1_4f ("COLOR1"); |
|
|
102 | varying_2f vin::texcoord0_2f ("TEXCOORD0"); |
|
|
103 | varying_4f vin::texcoord0_4f ("TEXCOORD0"); |
|
|
104 | varying_2f vin::texcoord1_2f ("TEXCOORD1"); |
|
|
105 | varying_4f vin::texcoord1_4f ("TEXCOORD1"); |
|
|
106 | varying_2f vin::texcoord2_2f ("TEXCOORD2"); |
|
|
107 | varying_4f vin::texcoord2_4f ("TEXCOORD2"); |
|
|
108 | varying_2f vin::texcoord3_2f ("TEXCOORD3"); |
|
|
109 | varying_4f vin::texcoord3_4f ("TEXCOORD3"); |
|
|
110 | varying_2f vin::texcoord4_2f ("TEXCOORD4"); |
|
|
111 | varying_4f vin::texcoord4_4f ("TEXCOORD4"); |
|
|
112 | varying_2f vin::texcoord5_2f ("TEXCOORD5"); |
|
|
113 | varying_4f vin::texcoord5_4f ("TEXCOORD5"); |
|
|
114 | varying_2f vin::texcoord6_2f ("TEXCOORD6"); |
|
|
115 | varying_4f vin::texcoord6_4f ("TEXCOORD6"); |
|
|
116 | varying_2f vin::texcoord7_2f ("TEXCOORD7"); |
|
|
117 | varying_4f vin::texcoord7_4f ("TEXCOORD7"); |
|
|
118 | varying_1f vin::psize_1f ("PSIZE"); |
|
|
119 | varying_1f vin::attr6_1f ("ATTR6"); |
|
|
120 | varying_1f vin::attr7_1f ("ATTR7"); |
|
|
121 | varying_2f vin::attr6_2f ("ATTR6"); |
|
|
122 | varying_2f vin::attr7_2f ("ATTR7"); |
|
|
123 | varying_3f vin::attr6_3f ("ATTR6"); |
|
|
124 | varying_3f vin::attr7_3f ("ATTR7"); |
|
|
125 | varying_4f vin::attr6_4f ("ATTR6"); |
|
|
126 | varying_4f vin::attr7_4f ("ATTR7"); |
|
|
127 | |
|
|
128 | bool vin::is (const var &r) |
|
|
129 | { |
|
|
130 | return r == vin::position_3f |
|
|
131 | || r == vin::position_4f |
|
|
132 | || r == vin::normal_3f |
|
|
133 | || r == vin::normal_4f |
|
|
134 | || r == vin::color0_3f |
|
|
135 | || r == vin::color0_4f |
|
|
136 | || r == vin::color1_3f |
|
|
137 | || r == vin::color1_4f |
|
|
138 | || r == vin::texcoord0_2f |
|
|
139 | || r == vin::texcoord0_4f |
|
|
140 | || r == vin::texcoord1_2f |
|
|
141 | || r == vin::texcoord1_4f |
|
|
142 | || r == vin::texcoord2_2f |
|
|
143 | || r == vin::texcoord2_4f |
|
|
144 | || r == vin::texcoord3_2f |
|
|
145 | || r == vin::texcoord3_4f |
|
|
146 | || r == vin::texcoord4_2f |
|
|
147 | || r == vin::texcoord4_4f |
|
|
148 | || r == vin::texcoord5_2f |
|
|
149 | || r == vin::texcoord5_4f |
|
|
150 | || r == vin::texcoord6_2f |
|
|
151 | || r == vin::texcoord6_4f |
|
|
152 | || r == vin::texcoord7_2f |
|
|
153 | || r == vin::texcoord7_4f |
|
|
154 | || r == vin::psize_1f |
|
|
155 | || r == vin::attr6_1f |
|
|
156 | || r == vin::attr7_1f |
|
|
157 | || r == vin::attr6_2f |
|
|
158 | || r == vin::attr7_2f |
|
|
159 | || r == vin::attr6_3f |
|
|
160 | || r == vin::attr7_3f |
|
|
161 | || r == vin::attr6_4f |
|
|
162 | || r == vin::attr7_4f; |
|
|
163 | } |
|
|
164 | |
|
|
165 | struct fin fin; |
|
|
166 | struct fin &vout = fin; |
|
|
167 | |
|
|
168 | // MUST update is-function below |
|
|
169 | varying_4f fin::position_4f ("HPOS"); |
|
|
170 | varying_4f fin::color0_4f ("COLOR0"); |
|
|
171 | varying_4f fin::color1_4f ("COLOR1"); |
|
|
172 | varying_4f fin::texcoord0_4f ("TEXCOORD0"); |
|
|
173 | varying_4f fin::texcoord1_4f ("TEXCOORD1"); |
|
|
174 | varying_4f fin::texcoord2_4f ("TEXCOORD2"); |
|
|
175 | varying_4f fin::texcoord3_4f ("TEXCOORD3"); |
|
|
176 | varying_4f fin::texcoord4_4f ("TEXCOORD4"); |
|
|
177 | varying_4f fin::texcoord5_4f ("TEXCOORD5"); |
|
|
178 | varying_4f fin::texcoord6_4f ("TEXCOORD6"); |
|
|
179 | varying_4f fin::texcoord7_4f ("TEXCOORD7"); |
|
|
180 | |
|
|
181 | bool fin::is (const var &r) |
|
|
182 | { |
|
|
183 | return r == fin::position_4f |
|
|
184 | || r == fin::color0_4f |
|
|
185 | || r == fin::color1_4f |
|
|
186 | || r == fin::texcoord0_4f |
|
|
187 | || r == fin::texcoord1_4f |
|
|
188 | || r == fin::texcoord2_4f |
|
|
189 | || r == fin::texcoord3_4f |
|
|
190 | || r == fin::texcoord4_4f |
|
|
191 | || r == fin::texcoord5_4f |
|
|
192 | || r == fin::texcoord6_4f |
|
|
193 | || r == fin::texcoord7_4f; |
|
|
194 | } |
|
|
195 | |
|
|
196 | struct fout fout; |
|
|
197 | |
|
|
198 | // MUST update is-function below |
|
|
199 | varying_4f fout::color0_4f ("COLOR0"); |
|
|
200 | varying_3f fout::color0_3f ("COLOR0"); |
|
|
201 | varying_4f fout::color1_4f ("COLOR1"); |
|
|
202 | varying_3f fout::color1_3f ("COLOR1"); |
|
|
203 | varying_1f fout::depth_1f ("DEPTH"); |
|
|
204 | |
|
|
205 | bool fout::is (const var &r) |
|
|
206 | { |
|
|
207 | return r == fout::color0_4f |
|
|
208 | || r == fout::color0_3f |
|
|
209 | || r == fout::color1_4f |
|
|
210 | || r == fout::color1_3f |
|
|
211 | || r == fout::depth_1f; |
|
|
212 | } |
|
|
213 | |
|
|
214 | uniform_matrix_f_i mvp, mv, proj; |
|
|
215 | |
|
|
216 | void fragment_vector_i::build (shader_builder &b) |
|
|
217 | { |
|
|
218 | for (vector<fragment>::iterator i = begin (); i != end (); i++) |
|
|
219 | (*i)->build (b); |
|
|
220 | } |
|
|
221 | |
|
|
222 | void shader_program::print () |
|
|
223 | { |
|
|
224 | shader_builder b; |
|
|
225 | build (b); |
|
|
226 | ostringstream os; |
|
|
227 | |
|
|
228 | os << "void main (\n"; |
|
|
229 | for (vector<var>::iterator i = b.streams.begin (); i != b.streams.end (); i++) |
|
|
230 | { |
|
|
231 | os << " "; |
|
|
232 | |
|
|
233 | if (is_vertex) |
|
|
234 | { |
|
|
235 | if (vin.is (*i)) os << "in "; |
|
|
236 | if (vout.is (*i)) os << "out "; |
|
|
237 | } |
|
|
238 | else |
|
|
239 | { |
|
|
240 | if (fin.is (*i)) os << "in "; |
|
|
241 | if (fout.is (*i)) os << "out "; |
|
|
242 | } |
|
|
243 | |
|
|
244 | (*i)->build_decl (os); |
|
|
245 | os << ",\n"; |
|
|
246 | } |
|
|
247 | |
|
|
248 | for (vector<uniform>::iterator i = b.refs.begin (); i != b.refs.end (); i++) |
|
|
249 | { |
|
|
250 | os << " "; |
|
|
251 | (*i)->build_decl (os); |
|
|
252 | os << ",\n"; |
|
|
253 | } |
|
|
254 | |
|
|
255 | os << " uniform float unused_cg_broken_syntax\n"; |
|
|
256 | os << ")\n{\n"; |
|
|
257 | |
|
|
258 | for (vector<var>::iterator i = b.temps.begin (); i != b.temps.end (); i++) |
|
|
259 | { |
|
|
260 | (*i)->build_decl (os); |
|
|
261 | os << ";\n"; |
|
|
262 | } |
|
|
263 | |
|
|
264 | os << "\n"; |
|
|
265 | os << b.source.str (); |
|
|
266 | os << "\n}\n"; |
|
|
267 | |
|
|
268 | printf ("%s\n", os.str ().c_str ()); |
|
|
269 | |
|
|
270 | } |
|
|
271 | |
|
|
272 | void debdebdebdebug ()//D |
|
|
273 | { |
|
|
274 | vertex_program p; |
|
|
275 | temp_4f t1; |
|
|
276 | |
|
|
277 | p << t1 << " = mul(" << vin.position_4f << "," << mvp << ");\n"; |
|
|
278 | p << vout.position_4f << " = " << t1 << ";\n"; |
|
|
279 | |
|
|
280 | p.print (); |
|
|
281 | exit (0); |
|
|
282 | } |
|
|
283 | |
|
|
284 | } |
|
|
285 | |
| 4 | material::~material () |
286 | material::~material () |
| 5 | { |
287 | { |
| 6 | } |
288 | } |
| 7 | |
289 | |
| 8 | void simple_material::push () |
290 | void |
|
|
291 | simple_material::begin () |
| 9 | { |
292 | { |
| 10 | glMaterialfv (GL_FRONT, GL_DIFFUSE, (GLfloat *)&diffuse); |
293 | glMaterialfv (GL_FRONT, GL_DIFFUSE, (GLfloat *) & diffuse); |
| 11 | glMaterialfv (GL_FRONT, GL_SPECULAR, (GLfloat *)&specular); |
294 | glMaterialfv (GL_FRONT, GL_SPECULAR, (GLfloat *) & specular); |
| 12 | glMaterialfv (GL_FRONT, GL_EMISSION, (GLfloat *)&emission); |
295 | glMaterialfv (GL_FRONT, GL_EMISSION, (GLfloat *) & emission); |
| 13 | glMaterialf (GL_FRONT, GL_SHININESS, shininess); |
296 | glMaterialf (GL_FRONT, GL_SHININESS, shininess); |
| 14 | } |
297 | } |
| 15 | |
298 | |
|
|
299 | void |
| 16 | void simple_material::pop () |
300 | simple_material::end () |
| 17 | { |
301 | { |
| 18 | } |
302 | } |
| 19 | |
303 | |
|
|
304 | void |
|
|
305 | osama_material::begin () |
|
|
306 | { |
|
|
307 | cgGLEnableProfile (vsh_profile); |
|
|
308 | cgGLEnableProfile (fsh_profile); |
|
|
309 | cgGLEnableTextureParameter (g_Texture); |
|
|
310 | } |
| 20 | |
311 | |
|
|
312 | void |
|
|
313 | osama_material::end () |
|
|
314 | { |
|
|
315 | cgGLDisableTextureParameter (g_Texture); |
|
|
316 | // cgGLUnbindProgram (vsh_profile); |
|
|
317 | // cgGLUnbindProgram (fsh_profile); |
|
|
318 | cgGLDisableProfile (vsh_profile); |
|
|
319 | cgGLDisableProfile (fsh_profile); |
|
|
320 | } |
|
|
321 | |
|
|
322 | GLuint |
|
|
323 | texture::load_texture (SDL_Surface * surface, GLfloat * tex2oord) |
|
|
324 | { |
|
|
325 | GLuint textur; |
|
|
326 | int w, h; |
|
|
327 | SDL_Surface *image; |
|
|
328 | SDL_Rect area; |
|
|
329 | Uint32 saved_flags; |
|
|
330 | Uint8 saved_alpha; |
|
|
331 | |
|
|
332 | /* Use the surface width and height expanded to powers of 2 */ |
|
|
333 | //w = power_of_two (surface->w); |
|
|
334 | //h = power_of_two (surface->h); |
|
|
335 | w = power_of_two (surface->w); |
|
|
336 | h = power_of_two (surface->h); |
|
|
337 | tex2oord[0] = 0.0f; /* Min X */ |
|
|
338 | tex2oord[1] = 0.0f; /* Min Y */ |
|
|
339 | tex2oord[2] = (GLfloat) surface->w / w; /* Max X */ |
|
|
340 | tex2oord[3] = (GLfloat) surface->h / h; /* Max Y */ |
|
|
341 | |
|
|
342 | image = SDL_CreateRGBSurface (SDL_SWSURFACE, w, h, 32, |
|
|
343 | #if SDL_BYTEORDER == SDL_LIL_ENDIAN /* OpenGL RGBA masks */ |
|
|
344 | 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000 |
|
|
345 | #else |
|
|
346 | 0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF |
|
|
347 | #endif |
|
|
348 | ); |
|
|
349 | |
|
|
350 | if (image == NULL) |
|
|
351 | return 0; |
|
|
352 | |
|
|
353 | /* Save the alpha blending attributes */ |
|
|
354 | saved_flags = surface->flags & (SDL_SRCALPHA | SDL_RLEACCELOK); |
|
|
355 | saved_alpha = surface->format->alpha; |
|
|
356 | if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA) |
|
|
357 | SDL_SetAlpha (surface, 0, 0); |
|
|
358 | |
|
|
359 | /* Copy the surface into the GL texture image */ |
|
|
360 | area.x = 0; |
|
|
361 | area.y = 0; |
|
|
362 | area.w = surface->w; |
|
|
363 | area.h = surface->h; |
|
|
364 | SDL_BlitSurface (surface, &area, image, &area); |
|
|
365 | |
|
|
366 | /* Restore the alpha blending attributes */ |
|
|
367 | if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA) |
|
|
368 | SDL_SetAlpha (surface, saved_flags, saved_alpha); |
|
|
369 | |
|
|
370 | /* Create an OpenGL texture for the image */ |
|
|
371 | glGenTextures (1, &textur); |
|
|
372 | glBindTexture (GL_TEXTURE_2D, textur); |
|
|
373 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
|
|
374 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); |
|
|
375 | glTexParameteri (GL_TEXTURE_2D, GL_GENERATE_MIPMAP_SGIS, GL_TRUE); // GENERATE_MIPMAP_SGIS |
|
|
376 | glTexImage2D (GL_TEXTURE_2D, |
|
|
377 | 0, |
|
|
378 | GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image->pixels); |
|
|
379 | SDL_FreeSurface (image); /* No longer needed */ |
|
|
380 | |
|
|
381 | return textur; |
|
|
382 | } |
|
|
383 | |
|
|
384 | CGcontext cgc; |
|
|
385 | |
|
|
386 | void |
|
|
387 | init_shaders () |
|
|
388 | { |
|
|
389 | cgc = cgCreateContext (); |
|
|
390 | } |
|
|
391 | |
