1 |
root |
1.12 |
#include <cassert> |
2 |
|
|
|
3 |
root |
1.1 |
#include "shader.h" |
4 |
|
|
#include "shader_vars.h" |
5 |
|
|
|
6 |
|
|
namespace shader { |
7 |
|
|
|
8 |
|
|
refcounted::~refcounted () |
9 |
|
|
{ |
10 |
root |
1.11 |
#if 1 |
11 |
root |
1.1 |
if (refcnt) |
12 |
|
|
abort (); |
13 |
|
|
#endif |
14 |
|
|
} |
15 |
|
|
|
16 |
root |
1.6 |
void refcounted::refcnt_dec () const |
17 |
|
|
{ |
18 |
|
|
if (!--refcnt) |
19 |
|
|
delete this; // quite a bit of code... |
20 |
|
|
} |
21 |
|
|
|
22 |
root |
1.1 |
const char str_float [] = "float"; |
23 |
|
|
const char str_vec2 [] = "vec2"; |
24 |
|
|
const char str_vec3 [] = "vec3"; |
25 |
|
|
const char str_vec4 [] = "vec4"; |
26 |
|
|
const char str_mat2 [] = "mat2"; |
27 |
|
|
const char str_mat3 [] = "mat3"; |
28 |
|
|
const char str_mat4 [] = "mat4"; |
29 |
|
|
|
30 |
|
|
const char str_sampler_1d [] = "sampler1D"; |
31 |
|
|
const char str_sampler_1d_shadow [] = "sampler1DShadow"; |
32 |
|
|
const char str_sampler_2d [] = "sampler2D"; |
33 |
|
|
const char str_sampler_2d_shadow [] = "sampler2DShadow"; |
34 |
|
|
const char str_sampler_2d_rect [] = "sampler2DRect"; |
35 |
|
|
const char str_sampler_2d_rect_shadow [] = "sampler2DRectShadow"; |
36 |
|
|
const char str_sampler_3d [] = "sampler3D"; |
37 |
|
|
const char str_sampler_3d_rect [] = "sampler3DRect"; |
38 |
|
|
const char str_sampler_cube [] = "samplerCube"; |
39 |
|
|
|
40 |
|
|
unsigned int var_i::next_id = 0; |
41 |
|
|
|
42 |
|
|
var_i::var_i (const char *typestr) |
43 |
|
|
: typestr (typestr) |
44 |
|
|
{ |
45 |
|
|
//param = cgCreateParameter (cg_context, cgtype); |
46 |
|
|
} |
47 |
|
|
|
48 |
|
|
var_i::~var_i () |
49 |
|
|
{ |
50 |
|
|
//cgDestroyParameter (param); |
51 |
|
|
} |
52 |
|
|
|
53 |
root |
1.4 |
stream_i::stream_i (const char *strtype) |
54 |
|
|
: var_i (strtype) |
55 |
|
|
{ |
56 |
|
|
sprintf (name, "V%lx_%d", ((long)this >> 4) & 0xfff, ++next_id); |
57 |
|
|
} |
58 |
|
|
|
59 |
root |
1.1 |
temporary_i::temporary_i (const char *strtype) |
60 |
|
|
: var_i (strtype) |
61 |
|
|
{ |
62 |
|
|
sprintf (name, "T%lx_%d", ((long)this >> 4) & 0xfff, ++next_id); |
63 |
|
|
} |
64 |
|
|
|
65 |
|
|
uniform_i::uniform_i (const char *strtype) |
66 |
|
|
: var_i (strtype), dirty (true) |
67 |
|
|
{ |
68 |
|
|
sprintf (name, "U%lx_%d", ((long)this >> 4) & 0xfff, ++next_id); |
69 |
|
|
} |
70 |
|
|
|
71 |
|
|
fragment_string_i::~fragment_string_i () |
72 |
|
|
{ |
73 |
|
|
free (str); |
74 |
|
|
} |
75 |
|
|
|
76 |
|
|
//////////////////////////////////////////////////////////////////////////// |
77 |
|
|
|
78 |
|
|
void var_i::build_decl (ostringstream &b) |
79 |
|
|
{ |
80 |
|
|
b << typestr << ' ' << name; |
81 |
|
|
} |
82 |
|
|
|
83 |
|
|
void uniform_i::build_decl (ostringstream &b) |
84 |
|
|
{ |
85 |
|
|
b << "uniform " << typestr << ' ' << name; |
86 |
|
|
} |
87 |
|
|
|
88 |
|
|
void stream_i::build_decl (ostringstream &b) |
89 |
|
|
{ |
90 |
|
|
b << typestr << ' ' << name; |
91 |
|
|
} |
92 |
|
|
|
93 |
|
|
//////////////////////////////////////////////////////////////////////////// |
94 |
|
|
|
95 |
|
|
void glvar_i::build (shader_builder &b) |
96 |
|
|
{ |
97 |
|
|
b << name; |
98 |
|
|
} |
99 |
|
|
|
100 |
|
|
void var_i::build (shader_builder &b) |
101 |
|
|
{ |
102 |
|
|
b << name; |
103 |
|
|
} |
104 |
|
|
|
105 |
|
|
void uniform_i::build (shader_builder &b) |
106 |
|
|
{ |
107 |
|
|
var_i::build (b); |
108 |
|
|
|
109 |
|
|
if (find (b.refs.begin (), b.refs.end (), uniform (*this)) == b.refs.end ()) |
110 |
|
|
b.refs.push_back (*this); |
111 |
|
|
} |
112 |
|
|
|
113 |
|
|
void stream_i::build (shader_builder &b) |
114 |
|
|
{ |
115 |
|
|
var_i::build (b); |
116 |
|
|
|
117 |
|
|
if (find (b.streams.begin (), b.streams.end (), var (*this)) == b.streams.end ()) |
118 |
|
|
b.streams.push_back (*this); |
119 |
|
|
} |
120 |
|
|
|
121 |
|
|
void temporary_i::build (shader_builder &b) |
122 |
|
|
{ |
123 |
|
|
var_i::build (b); |
124 |
|
|
|
125 |
|
|
if (find (b.temps.begin (), b.temps.end (), var (*this)) == b.temps.end ()) |
126 |
|
|
b.temps.push_back (*this); |
127 |
|
|
} |
128 |
|
|
|
129 |
|
|
void fragment_vector_i::build (shader_builder &b) |
130 |
|
|
{ |
131 |
|
|
for (vector<fragment>::iterator i = begin (); i != end (); i++) |
132 |
|
|
(*i)->build (b); |
133 |
|
|
} |
134 |
|
|
|
135 |
|
|
void fragment_const_string_i::build (shader_builder &b) |
136 |
|
|
{ |
137 |
|
|
b << str; |
138 |
|
|
} |
139 |
|
|
|
140 |
|
|
void fragment_string_i::build (shader_builder &b) |
141 |
|
|
{ |
142 |
|
|
b << str; |
143 |
|
|
} |
144 |
|
|
|
145 |
|
|
#if 0 |
146 |
|
|
void statement_i::build (shader_builder &b) |
147 |
|
|
{ |
148 |
|
|
b << " "; |
149 |
|
|
fragment_vector_i::build (b); |
150 |
|
|
b << ";\n"; |
151 |
|
|
} |
152 |
|
|
#endif |
153 |
|
|
|
154 |
|
|
//////////////////////////////////////////////////////////////////////////// |
155 |
|
|
|
156 |
|
|
shader_object_i *cur = 0; |
157 |
|
|
|
158 |
|
|
shader_object_i::shader_object_i (GLenum type) |
159 |
|
|
: type (type) |
160 |
|
|
{ |
161 |
|
|
id = glCreateShaderObjectARB (type); |
162 |
root |
1.12 |
assert (id); |
163 |
root |
1.1 |
} |
164 |
|
|
|
165 |
|
|
shader_object_i::~shader_object_i () |
166 |
|
|
{ |
167 |
|
|
glDeleteObjectARB (id); |
168 |
|
|
} |
169 |
|
|
|
170 |
|
|
void shader_object_i::start () |
171 |
|
|
{ |
172 |
|
|
clear (); |
173 |
|
|
cur = this; |
174 |
|
|
} |
175 |
|
|
|
176 |
|
|
void shader_object_i::stop () |
177 |
|
|
{ |
178 |
|
|
cur = 0; |
179 |
|
|
} |
180 |
|
|
|
181 |
|
|
string shader_object_i::source () |
182 |
|
|
{ |
183 |
|
|
shader_builder b; |
184 |
|
|
build (b); |
185 |
|
|
ostringstream os; |
186 |
|
|
|
187 |
|
|
for (vector<uniform>::iterator i = b.refs.begin (); i != b.refs.end (); i++) |
188 |
|
|
{ |
189 |
|
|
(*i)->build_decl (os); |
190 |
|
|
os << ";\n"; |
191 |
|
|
} |
192 |
|
|
|
193 |
|
|
// not neccessary right now, as GLSL is rich on predefinitions |
194 |
|
|
for (vector<var>::iterator i = b.streams.begin (); i != b.streams.end (); i++) |
195 |
|
|
{ |
196 |
|
|
os << "attribute "; |
197 |
|
|
(*i)->build_decl (os); |
198 |
|
|
os << ";\n"; |
199 |
|
|
} |
200 |
|
|
|
201 |
|
|
os << "\nvoid main (void)\n{\n"; |
202 |
|
|
|
203 |
|
|
for (vector<var>::iterator i = b.temps.begin (); i != b.temps.end (); i++) |
204 |
|
|
{ |
205 |
|
|
os << " "; |
206 |
|
|
(*i)->build_decl (os); |
207 |
|
|
os << ";\n"; |
208 |
|
|
} |
209 |
|
|
|
210 |
|
|
os << "\n"; |
211 |
|
|
os << b.source.str (); |
212 |
|
|
os << "}\n"; |
213 |
|
|
|
214 |
|
|
return os.str (); |
215 |
|
|
} |
216 |
|
|
|
217 |
|
|
void shader_object_i::compile () |
218 |
|
|
{ |
219 |
|
|
string src = source (); |
220 |
|
|
const char *sptr = src.data (); |
221 |
|
|
const int slen = src.size (); |
222 |
|
|
|
223 |
root |
1.10 |
printf ("SOURCE<%s>\n", src.c_str ()); |
224 |
root |
1.1 |
glShaderSourceARB (id, 1, &sptr, &slen); |
225 |
|
|
glCompileShaderARB (id); |
226 |
|
|
|
227 |
|
|
GLint compiled; |
228 |
|
|
glGetObjectParameterivARB (id, GL_OBJECT_COMPILE_STATUS_ARB, &compiled); |
229 |
|
|
|
230 |
|
|
if (!compiled) |
231 |
|
|
{ |
232 |
|
|
char infolog[8192]; |
233 |
|
|
glGetInfoLogARB (id, 8192, NULL, infolog); |
234 |
|
|
printf ("SOURCE<%s>\n", src.c_str ()); |
235 |
|
|
printf ("INFOLOG<%s>\n", infolog); |
236 |
root |
1.12 |
abort (); |
237 |
|
|
} |
238 |
|
|
} |
239 |
|
|
|
240 |
|
|
program_object::program_object () |
241 |
|
|
{ |
242 |
|
|
id = glCreateProgramObjectARB (); |
243 |
|
|
assert (id); |
244 |
|
|
} |
245 |
|
|
|
246 |
|
|
program_object::~program_object () |
247 |
|
|
{ |
248 |
|
|
glDeleteProgramsARB (1, &id); |
249 |
|
|
} |
250 |
|
|
|
251 |
|
|
void program_object::link () |
252 |
|
|
{ |
253 |
|
|
glAttachObjectARB (id, vsh->id); |
254 |
|
|
glAttachObjectARB (id, fsh->id); |
255 |
|
|
glLinkProgramARB (id); |
256 |
|
|
|
257 |
|
|
GLint linked; |
258 |
|
|
glGetObjectParameterivARB (id, GL_OBJECT_LINK_STATUS_ARB, &linked); |
259 |
|
|
|
260 |
|
|
if (!linked) |
261 |
|
|
{ |
262 |
|
|
char infolog[8192]; |
263 |
|
|
glGetInfoLogARB (id, 8192, NULL, infolog); |
264 |
|
|
printf ("LINK-INFOLOG<%s>\n", infolog); |
265 |
root |
1.1 |
abort (); |
266 |
|
|
} |
267 |
|
|
} |
268 |
|
|
|
269 |
root |
1.7 |
void sl_func0::begin () const |
270 |
|
|
{ |
271 |
|
|
cur->append_string (name_par); |
272 |
|
|
} |
273 |
|
|
|
274 |
root |
1.8 |
void sl_func0::comma () const |
275 |
|
|
{ |
276 |
|
|
cur->append (str_comma); |
277 |
|
|
} |
278 |
|
|
|
279 |
root |
1.7 |
void sl_func0::end () const |
280 |
|
|
{ |
281 |
|
|
str_rpar (); |
282 |
|
|
} |
283 |
|
|
|
284 |
root |
1.6 |
void sl_float::operator ()() const |
285 |
|
|
{ |
286 |
|
|
char s[20]; |
287 |
|
|
sprintf (s, "%g", c); |
288 |
|
|
cur->append_string (s); |
289 |
|
|
} |
290 |
|
|
|
291 |
root |
1.9 |
const sl_convert< ::vec2 >::T sl_convert< ::vec2 >::convert (const ::vec2 &v) |
292 |
root |
1.6 |
{ |
293 |
|
|
sl_string<60> s; |
294 |
|
|
sprintf (s.str, "vec2 (%g, %g)", v.x, v.y); |
295 |
|
|
return s; |
296 |
|
|
} |
297 |
|
|
|
298 |
root |
1.9 |
const sl_convert< ::vec3 >::T sl_convert< ::vec3 >::convert (const ::vec3 &v) |
299 |
root |
1.6 |
{ |
300 |
|
|
sl_string<80> s; |
301 |
|
|
sprintf (s.str, "vec3 (%g, %g, %g)", v.x, v.y, v.z); |
302 |
|
|
return s; |
303 |
|
|
} |
304 |
|
|
|
305 |
root |
1.9 |
const sl_convert< ::vec4 >::T sl_convert< ::vec4 >::convert (const ::vec4 &v) |
306 |
root |
1.6 |
{ |
307 |
|
|
sl_string<100> s; |
308 |
|
|
sprintf (s.str, "vec4 (%g, %g, %g, %g)", v.x, v.y, v.z, v.w); |
309 |
|
|
return s; |
310 |
|
|
} |
311 |
|
|
|
312 |
root |
1.5 |
const fragment_const_string str_2sp (" "); |
313 |
|
|
const fragment_const_string str_equal (" = "); |
314 |
root |
1.8 |
const fragment_const_string str_comma (", "); |
315 |
root |
1.5 |
const fragment_const_string str_endl (";\n"); |
316 |
|
|
|
317 |
root |
1.1 |
const sl_append_const_string str_plus (" + "); |
318 |
|
|
const sl_append_const_string str_minus (" - "); |
319 |
|
|
const sl_append_const_string str_mul (" * "); |
320 |
|
|
const sl_append_const_string str_div (" / "); |
321 |
root |
1.9 |
const sl_append_const_string str_mod (" % "); |
322 |
root |
1.1 |
|
323 |
root |
1.5 |
const sl_append_const_string str_lpar ("("); |
324 |
root |
1.1 |
const sl_append_const_string str_rpar (")"); |
325 |
|
|
|
326 |
root |
1.5 |
void swizzle_mask (sl_string<7> &s, int mask) |
327 |
|
|
{ |
328 |
|
|
static const char channel[4] = { 'x', 'y', 'z', 'w' }; |
329 |
|
|
|
330 |
|
|
char *str = s.str; |
331 |
|
|
|
332 |
|
|
*str++ = ')'; |
333 |
|
|
*str++ = '.'; |
334 |
|
|
|
335 |
|
|
while (mask) |
336 |
|
|
{ |
337 |
|
|
int c = mask % 5; |
338 |
|
|
mask /= 5; |
339 |
|
|
|
340 |
|
|
if (c) |
341 |
|
|
*str++ = channel[c - 1]; |
342 |
|
|
} |
343 |
|
|
|
344 |
|
|
*str++ = 0; |
345 |
|
|
} |
346 |
|
|
|
347 |
root |
1.7 |
|
348 |
root |
1.1 |
void debdebdebdebug ()//D |
349 |
|
|
{ |
350 |
|
|
vertex_shader vsh; |
351 |
|
|
|
352 |
|
|
vsh->start (); |
353 |
|
|
|
354 |
|
|
temp_4f lightpos; |
355 |
|
|
temp_3f wpos; |
356 |
|
|
|
357 |
root |
1.13 |
lightpos = vec4 (0, 10, 0, 1); |
358 |
root |
1.7 |
wpos = xyz (gl.model_view_matrix * vin.vertex); |
359 |
|
|
vout.position = gl.model_view_matrix_inverse_transpose * vin.vertex; |
360 |
|
|
vout.tex_coord[0] = vin.tex_coord[0]; |
361 |
root |
1.8 |
vout.tex_coord[1] = normalize (lightpos - wpos); |
362 |
|
|
vout.tex_coord[2] = normalize (wpos); |
363 |
|
|
vout.tex_coord[3] = normalize (xyz (gl.model_view_matrix_inverse_transpose) * vin.normal); |
364 |
|
|
vout.tex_coord[4] = normalize (xyz (gl.projection_matrix_inverse_transpose) - wpos); |
365 |
root |
1.1 |
|
366 |
|
|
vsh->end (); |
367 |
root |
1.13 |
vsh->compile (); |
368 |
root |
1.10 |
|
369 |
|
|
fragment_shader fsh; |
370 |
|
|
|
371 |
|
|
fsh->start (); |
372 |
|
|
|
373 |
root |
1.11 |
xyz (fout.frag_color) = noise3 (x (fin.frag_coord) * y (fin.frag_coord)); |
374 |
|
|
|
375 |
root |
1.10 |
temp_1f spec_expon; |
376 |
|
|
spec_expon = 200; |
377 |
|
|
|
378 |
|
|
fsh->end (); |
379 |
|
|
fsh->compile (); |
380 |
|
|
|
381 |
root |
1.11 |
//abort (); |
382 |
root |
1.1 |
} |
383 |
|
|
|
384 |
|
|
} |
385 |
|
|
|