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/cvs/libgender/shader.h
Revision: 1.11
Committed: Sun Oct 24 02:13:43 2004 UTC (19 years, 7 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.10: +13 -0 lines
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File Contents

# User Rev Content
1 root 1.1 #ifndef SHADER_H
2     #define SHADER_H
3    
4     #include <sstream>
5    
6     #include "opengl.h"
7     #include "util.h"
8    
9     namespace shader {
10    
11     using namespace std;
12    
13     const int NAMELEN = 32;
14    
15     template<class T>
16     struct sl_expr {
17     const T t;
18     sl_expr (const T &t) : t(t) { }
19     void operator ()() const { t (); }
20 root 1.5 template<typename expr>
21     const sl_expr &operator =(const expr &e) const;
22 root 1.1 };
23    
24     template<class A, class B>
25     struct sl_concat2
26     {
27     const A a; const B b;
28     sl_concat2 (const A &a, const B &b) : a(a), b(b) { }
29     void operator ()() const { a (); b (); }
30     };
31    
32     template<class A, class B, class C>
33     struct sl_concat3
34     {
35     const A a; const B b; const C c;
36     sl_concat3 (const A &a, const B &b, const C &c) : a(a), b(b), c(c) { }
37     void operator ()() const { a (); b (); c (); }
38     };
39    
40     template<class A, class B, class C, class D>
41     struct sl_concat4
42     {
43     const A a; const B b; const C c; const D d;
44     sl_concat4 (const A &a, const B &b, const C &c, const D &d) : a(a), b(b), c(c), d(d) { }
45     void operator ()() const { a (); b (); c (); d(); }
46     };
47    
48 root 1.7 struct sl_func0
49     {
50     const char *name_par;
51     sl_func0 (const char *name_par) : name_par(name_par) { }
52     void begin () const;
53 root 1.8 void comma () const;
54 root 1.7 void end () const;
55     void operator ()() const
56     {
57     begin ();
58     end ();
59     }
60     };
61    
62     template<class A>
63     struct sl_func1 : sl_func0
64     {
65     const A a;
66     sl_func1 (const char *name, const A &a) : sl_func0(name), a(a) { }
67     void operator ()() const { begin (); a (); end (); }
68     };
69    
70     template<class A, class B>
71     struct sl_func2 : sl_func0
72     {
73     const A a; const B b;
74     sl_func2 (const char *name, const A &a, const B &b) : sl_func0(name), a(a), b(b) { }
75 root 1.8 void operator ()() const { begin (); a (); comma (); b (); end (); }
76 root 1.7 };
77    
78     template<class A, class B, class C>
79     struct sl_func3 : sl_func0
80     {
81     const A a; const B b; const C c;
82     sl_func3 (const char *name, const A &a, const B &b, const C &c) : sl_func0(name), a(a), b(b), c(c) { }
83 root 1.8 void operator ()() const { begin (); a (); comma (); b (); comma (); c (); end (); }
84 root 1.7 };
85    
86     template<class A, class B, class C, class D>
87     struct sl_func4 : sl_func0
88     {
89     const A a; const B b; const C c; const D d;
90     sl_func4 (const char *name, const A &a, const B &b, const C &c, const D &d) : sl_func0(name), a(a), b(b), c(c), d(d) { }
91 root 1.8 void operator ()() const { begin (); a (); comma (); b (); comma (); c (); comma (); d(); end (); }
92 root 1.7 };
93    
94 root 1.1 class refcounted
95     {
96     template<class type> friend class ref;
97     mutable int refcnt;
98     void refcnt_inc () const { refcnt++; }
99 root 1.6 void refcnt_dec () const;
100 root 1.1 public:
101     refcounted () : refcnt(0) { }
102     virtual ~refcounted ();
103     };
104    
105     template<class type>
106     struct ref
107     {
108     type *p;
109    
110     ref ()
111     {
112     p = new type;
113     p->refcnt_inc ();
114     }
115    
116     ref (type &d)
117     {
118     d.refcnt_inc ();
119     p = &d;
120     }
121    
122     ref (const ref &r)
123     {
124     r.p->refcnt_inc ();
125     p = r.p;
126     }
127    
128     template<class type2>
129     ref (const ref<type2> &r)
130     {
131     r.p->refcnt_inc ();
132     p = r.p;
133     }
134    
135     ~ref ()
136     {
137     p->refcnt_dec ();
138     }
139    
140     ref &operator =(type &d)
141     {
142     d.refcnt_inc ();
143     p->refcnt_dec ();
144     p = &d;
145     return *this;
146     }
147    
148     type *operator ->() const { return p; }
149    
150     operator type &() const { return *p; }
151    
152     template<class type2>
153     bool operator ==(const ref<type2> b) const
154     {
155     return (void *)p == (void *)b.p;
156     }
157     };
158    
159     // ref with auto-construct
160     template<class type>
161     struct auto_ref0 : ref<type>
162     {
163     auto_ref0 () : ref<type> (*new type ()) { }
164     };
165    
166     template<class type, typename arg1>
167     struct auto_ref1 : ref<type>
168     {
169     auto_ref1 (arg1 a) : ref<type> (*new type (a)) { }
170     };
171    
172     template<class type>
173     struct auto_lvalue_ref0 : ref<type>
174     {
175     auto_lvalue_ref0 () : ref<type> (*new type ()) { }
176     template<typename expr>
177     const auto_lvalue_ref0 &operator =(const expr &e) const;
178     };
179    
180     template<class type, typename arg1>
181     struct auto_lvalue_ref1 : ref<type>
182     {
183     auto_lvalue_ref1 (arg1 a) : ref<type> (*new type (a)) { }
184     template<class expr>
185     const auto_lvalue_ref1 &operator =(const expr &e) const;
186     };
187    
188     extern const char str_float [];
189     extern const char str_vec2 [];
190     extern const char str_vec3 [];
191     extern const char str_vec4 [];
192     extern const char str_mat2 [];
193     extern const char str_mat3 [];
194     extern const char str_mat4 [];
195    
196     extern const char str_sampler_1d [];
197     extern const char str_sampler_1d_shadow [];
198     extern const char str_sampler_2d [];
199     extern const char str_sampler_2d_shadow [];
200     extern const char str_sampler_2d_rect [];
201     extern const char str_sampler_2d_rect_shadow [];
202     extern const char str_sampler_3d [];
203     extern const char str_sampler_3d_rect [];
204     extern const char str_sampler_cube [];
205    
206     typedef ref<struct var_i> var;
207     typedef ref<struct uniform_i> uniform;
208    
209     struct shader_builder
210     {
211     vector<uniform> refs; // uniform parameters
212     vector<var> temps; // temporary variables
213     vector<var> streams; // varying inputs & outputs
214    
215     ostringstream source;
216    
217     template<typename type>
218     shader_builder &operator <<(const type &t)
219     {
220     source << t;
221     return *this;
222     }
223     };
224    
225     struct fragment_i : refcounted
226     {
227     virtual void build (shader_builder &b) = 0;
228     };
229    
230     typedef ref<fragment_i> fragment;
231    
232     struct lvalue_i : fragment_i
233     {
234     };
235    
236     // a simple predeclared variable with unspecified type
237     struct glvar_i : lvalue_i
238     {
239     const char *name;
240     void build (shader_builder &b);
241     glvar_i (const char *name) : name (name) { }
242     };
243    
244     typedef auto_lvalue_ref1<glvar_i, const char *> glvar;
245    
246     struct var_i : lvalue_i
247     {
248     static unsigned int next_id;
249    
250     char name[NAMELEN];
251     const char *typestr;
252    
253     void build (shader_builder &b);
254     virtual void build_decl (ostringstream &b);
255    
256     var_i (const char *typestr);
257     ~var_i ();
258     };
259    
260     struct uniform_i : var_i
261     {
262     bool dirty;
263    
264     virtual void update () = 0;
265    
266     void build (shader_builder &b);
267     void build_decl (ostringstream &b);
268     uniform_i (const char *strtype);
269     };
270    
271     template<int dimension, typename gltype, const char *strtype, void (*upd)(CGparameter, const gltype *)>
272     struct uniform2_i : uniform_i
273     {
274     gltype data[dimension];
275    
276     void update ()
277     {
278     if (dirty)
279     {
280     //upd (param, data);
281     dirty = false;
282     }
283     }
284    
285     uniform2_i () : uniform_i (strtype) { }
286     };
287    
288     template<int dimension, const char *strtype, void (*update)(CGparameter, const GLfloat *)>
289     struct uniform_f_i : uniform2_i<dimension, GLfloat, strtype, update>
290     {
291     };
292    
293     struct uniform_1f_i : uniform_f_i<1, str_float, cgGLSetParameter1fv> {
294     void operator =(GLfloat v)
295     {
296     data[0] = v;
297     dirty = true;
298     }
299     };
300    
301     struct uniform_2f_i : uniform_f_i<2, str_vec2, cgGLSetParameter2fv> { };
302    
303     struct uniform_3f_i : uniform_f_i<3, str_vec3, cgGLSetParameter3fv> {
304     void operator =(const vec3 &v)
305     {
306     data[0] = v.x;
307     data[1] = v.y;
308     data[2] = v.z;
309     dirty = true;
310     }
311     };
312    
313     struct uniform_4f_i : uniform_f_i<4, str_vec4, cgGLSetParameter4fv> {
314     #if 0
315     void operator =(const gl::matrix &m)
316     {
317     memcpy (data, m.data, 16 * sizeof (GLfloat));
318     dirty = true;
319     }
320     #endif
321     };
322    
323     struct uniform_matrix_2f_i : uniform_f_i< 4, str_mat2, cgGLSetMatrixParameterfc> { };
324     struct uniform_matrix_3f_i : uniform_f_i< 9, str_mat3, cgGLSetMatrixParameterfc> { };
325     struct uniform_matrix_4f_i : uniform_f_i<16, str_mat4, cgGLSetMatrixParameterfc> { };
326    
327 root 1.2 template<class var_i>
328     struct var_ref : ref<var_i>
329 root 1.1 {
330 root 1.2 var_ref (const char *glname = 0)
331     : ref<var_i> (*new var_i)
332 root 1.1 {
333     if (glname)
334     strcpy ((*this)->name, glname);
335     }
336     };
337    
338 root 1.2 typedef var_ref<uniform_1f_i> uniform_1f;
339     typedef var_ref<uniform_2f_i> uniform_2f;
340     typedef var_ref<uniform_3f_i> uniform_3f;
341     typedef var_ref<uniform_4f_i> uniform_4f;
342     typedef var_ref<uniform_matrix_2f_i> uniform_matrix_2f;
343     typedef var_ref<uniform_matrix_3f_i> uniform_matrix_3f;
344     typedef var_ref<uniform_matrix_4f_i> uniform_matrix_4f;
345 root 1.1
346     struct stream_i : var_i
347     {
348     void build (shader_builder &b);
349     void build_decl (ostringstream &b);
350 root 1.4 stream_i (const char *strtype);
351 root 1.1 };
352    
353     template<int dimension, GLenum gltype, const char *strtype>
354     struct varying_i : stream_i
355     {
356 root 1.4 varying_i () : stream_i (strtype) { }
357 root 1.1
358     void set (GLsizei stride, GLvoid *ptr)
359     {
360     //cgGLSetParameterPointer (param, dimension, gltype, stride, ptr);
361     }
362     };
363    
364     template<int dimension, const char *strtype>
365     struct varying_f_i : varying_i<dimension, GL_FLOAT, strtype>
366     {
367     void set (const gl::vertex_buffer_object &vb, GLint offset)
368     {
369     varying_i<dimension, GL_FLOAT, strtype>::set (gl::format_stride (vb.format), (GLvoid *)(long)offset);
370     }
371     };
372    
373     struct varying_1f_i : varying_f_i<1, str_float>
374     {
375     };
376    
377     struct varying_2f_i : varying_f_i<2, str_vec2>
378     {
379     void set_t (const gl::vertex_buffer_object &vb)
380     {
381     set (vb, gl::format_offset_t (vb.format));
382     }
383     };
384    
385     struct varying_3f_i : varying_f_i<3, str_vec3>
386     {
387     void set_p (const gl::vertex_buffer_object &vb)
388     {
389     set (vb, gl::format_offset_p (vb.format));
390     }
391    
392     void set_n (const gl::vertex_buffer_object &vb)
393     {
394     set (vb, gl::format_offset_n (vb.format));
395     }
396     };
397    
398     struct varying_4f_i : varying_f_i<4, str_vec4>
399     {
400     };
401    
402 root 1.2 typedef var_ref<varying_1f_i> varying_1f;
403     typedef var_ref<varying_2f_i> varying_2f;
404     typedef var_ref<varying_3f_i> varying_3f;
405     typedef var_ref<varying_4f_i> varying_4f;
406 root 1.1
407     struct temporary_i : var_i
408     {
409     void build (shader_builder &b);
410    
411     temporary_i (const char *strtype);
412     };
413    
414     template<const char *strtype>
415     struct temp_ref : ref<temporary_i>
416     {
417     temp_ref ()
418     : ref<temporary_i> (*new temporary_i (strtype))
419     {
420     }
421    
422 root 1.10 #if 0
423     template<typename expr>
424     temp_ref (const expr &e)
425     : ref<temporary_i> (*new temporary_i (strtype))
426     {
427     (*this) = e;
428     }
429     #endif
430    
431 root 1.1 template<typename expr>
432     const temp_ref &operator =(const expr &e) const;
433     };
434    
435     typedef temp_ref<str_float> temp_1f;
436     typedef temp_ref<str_vec2> temp_2f;
437     typedef temp_ref<str_vec3> temp_3f;
438     typedef temp_ref<str_vec4> temp_4f;
439     typedef temp_ref<str_mat2> temp_matrix_2f;
440     typedef temp_ref<str_mat3> temp_matrix_3f;
441     typedef temp_ref<str_mat4> temp_matrix_4f;
442    
443     template<GLenum gltype, const char *strtype>
444     struct sampler_i : uniform_i
445     {
446     GLuint texture;
447    
448     void update ()
449     {
450     if (dirty)
451     {
452     //cgGLSetTextureParameter (param, texture);
453     dirty = false;
454     }
455     }
456    
457     void begin ()
458     {
459     cgGLEnableTextureParameter (texture);
460     }
461    
462     sampler_i (GLuint texturename) : uniform_i (strtype), texture (texturename) { }
463     };
464    
465     struct sampler_1d_i : sampler_i<CG_SAMPLER1D, str_sampler_1d>
466     {
467     sampler_1d_i (GLuint texturename) : sampler_i<CG_SAMPLER1D, str_sampler_1d> (texturename) { }
468     };
469    
470     struct sampler_1d_shadow_i : sampler_i<CG_SAMPLER1D, str_sampler_1d_shadow>
471     {
472     sampler_1d_shadow_i (GLuint texturename) : sampler_i<CG_SAMPLER1D, str_sampler_1d_shadow> (texturename) { }
473     };
474    
475     struct sampler_2d_i : sampler_i<CG_SAMPLER2D, str_sampler_2d>
476     {
477     sampler_2d_i (GLuint texturename) : sampler_i<CG_SAMPLER2D, str_sampler_2d> (texturename) { }
478     };
479    
480     struct sampler_2d_shadow_i : sampler_i<CG_SAMPLER2D, str_sampler_2d_shadow>
481     {
482     sampler_2d_shadow_i (GLuint texturename) : sampler_i<CG_SAMPLER2D, str_sampler_2d_shadow> (texturename) { }
483     };
484    
485     struct sampler_2d_rect_i : sampler_i<CG_SAMPLERRECT, str_sampler_2d_rect>
486     {
487     sampler_2d_rect_i (GLuint texturename) : sampler_i<CG_SAMPLERRECT, str_sampler_2d_rect> (texturename) { }
488     };
489    
490     struct sampler_2d_rect_shadow_i : sampler_i<CG_SAMPLERRECT, str_sampler_2d_rect_shadow>
491     {
492     sampler_2d_rect_shadow_i (GLuint texturename) : sampler_i<CG_SAMPLERRECT, str_sampler_2d_rect_shadow> (texturename) { }
493     };
494    
495     struct sampler_3d_i : sampler_i<CG_SAMPLER3D, str_sampler_3d>
496     {
497     sampler_3d_i (GLuint texturename) : sampler_i<CG_SAMPLER3D, str_sampler_3d> (texturename) { }
498     };
499    
500     struct sampler_3d_rect_i : sampler_i<CG_SAMPLER3D, str_sampler_3d_rect>
501     {
502     sampler_3d_rect_i (GLuint texturename) : sampler_i<CG_SAMPLER3D, str_sampler_3d_rect> (texturename) { }
503     };
504    
505     struct sampler_cube_i : sampler_i<CG_SAMPLERCUBE, str_sampler_cube>
506     {
507     sampler_cube_i (GLuint texturename) : sampler_i<CG_SAMPLERCUBE, str_sampler_cube> (texturename) { }
508     };
509    
510     typedef auto_ref1<sampler_1d_i, GLuint> sampler_1d;
511     typedef auto_ref1<sampler_1d_shadow_i, GLuint> sampler_1d_shadow;
512     typedef auto_ref1<sampler_2d_i, GLuint> sampler_2d;
513     typedef auto_ref1<sampler_2d_shadow_i, GLuint> sampler_2d_shadow;
514     typedef auto_ref1<sampler_2d_rect_i, GLuint> sampler_2d_rect;
515     typedef auto_ref1<sampler_2d_rect_shadow_i, GLuint> sampler_2d_rect_shadow;
516     typedef auto_ref1<sampler_3d_i, GLuint> sampler_3d;
517     typedef auto_ref1<sampler_3d_rect_i, GLuint> sampler_3d_rect;
518     typedef auto_ref1<sampler_cube_i, GLuint> sampler_cube;
519    
520     struct fragment_const_string_i : fragment_i
521     {
522     const char *str;
523    
524     void build (shader_builder &b);
525    
526     fragment_const_string_i (const char *str) : str(str) { }
527     };
528    
529     typedef auto_ref1<fragment_const_string_i, const char *> fragment_const_string;
530    
531     struct fragment_string_i : fragment_i
532     {
533     char *str;
534    
535     void build (shader_builder &b);
536    
537     fragment_string_i (const char *str) : str (strdup (str)) { }
538     ~fragment_string_i ();
539     };
540    
541     struct fragment_vector_i : fragment_i, vector<fragment>
542     {
543     void build (shader_builder &b);
544    
545     template<class fragment_i>
546     void append (const ref<fragment_i> &f)
547     {
548     push_back (f);
549     }
550    
551 root 1.5 template<class expr>
552     void append (const sl_expr<expr> &e)
553     {
554     e ();
555     }
556    
557 root 1.1 void append_const (const char *s)
558     {
559     push_back (*new fragment_const_string_i (s));
560     }
561    
562     void append_string (const char *s)
563     {
564     push_back (*new fragment_string_i (s));
565     }
566     };
567    
568     typedef ref<fragment_vector_i> fragment_vector;
569    
570     struct shader_object_i : fragment_vector_i
571     {
572     GLenum type;
573     GLuint id; // GLhandleARB, but 2.0 will use uint
574    
575     string source ();
576     void compile ();
577     void start ();
578     void stop ();
579    
580     shader_object_i (GLenum type);
581     ~shader_object_i ();
582     };
583    
584     extern shader_object_i *cur; // record actions to this shader
585    
586     template<GLenum type>
587     struct shader_object : ref<shader_object_i>
588     {
589     shader_object ()
590     : ref<shader_object_i> (*new shader_object_i (type))
591     {
592     }
593     };
594    
595     typedef shader_object<GL_VERTEX_SHADER_ARB> vertex_shader;
596     typedef shader_object<GL_FRAGMENT_SHADER_ARB> fragment_shader;
597    
598 root 1.11 struct program_object
599     {
600     GLuint id;
601    
602     vertex_shader vsh;
603     fragment_shader fsh;
604    
605     program_object ();
606     ~program_object ();
607    
608     void link ();
609     };
610    
611 root 1.3 template<typename T>
612     struct sl_append
613     {
614     T t;
615    
616     sl_append (const T &t) : t(t) { }
617    
618     void operator ()() const
619     {
620     cur->push_back (t);
621     }
622     };
623    
624     template<int length>
625     struct sl_string
626     {
627     char str[length];
628    
629     void operator ()() const
630     {
631     cur->push_back (*new fragment_string_i (str));
632     }
633     };
634    
635     struct sl_float
636     {
637     const GLfloat c;
638    
639     sl_float (GLfloat c) : c(c) { }
640    
641 root 1.6 void operator ()() const;
642 root 1.3 };
643    
644     template<class A, class B>
645     inline sl_expr< sl_concat2<A, B> >
646     concat (const A &a, const B &b)
647     {
648     typedef sl_concat2<A, B> expr;
649     return sl_expr<expr> (expr (a, b));
650     }
651    
652     template<class A, class B, class C>
653     inline sl_expr< sl_concat3<A, B, C> >
654     concat (const A &a, const B &b, const C &c)
655     {
656     typedef sl_concat3<A, B, C> expr;
657     return sl_expr<expr> (expr (a, b, c));
658     }
659    
660     template<class A, class B, class C, class D>
661     inline sl_expr< sl_concat4<A, B, C, D> >
662     concat (const A &a, const B &b, const C &c, const D &d)
663     {
664     typedef sl_concat4<A, B, C, D> expr;
665     return sl_expr<expr> (expr (a, b, c, d));
666     }
667    
668     template<typename expr>
669     struct sl_convert
670     {
671     typedef sl_expr<expr> T;
672     static inline const T &convert (const T &e)
673     {
674     return e;
675     }
676     };
677    
678     template<>
679     struct sl_convert<GLfloat>
680     {
681     typedef sl_expr<sl_float> T;
682     static inline const T convert (GLfloat f)
683     {
684     return sl_float (f);
685     }
686     };
687    
688     template<>
689 root 1.5 struct sl_convert<GLdouble>
690     {
691     typedef sl_expr<sl_float> T;
692     static inline const T convert (GLdouble d)
693     {
694     return sl_float (d);
695     }
696     };
697    
698     template<>
699     struct sl_convert<GLint>
700     {
701     typedef sl_expr<sl_float> T;
702     static inline const T convert (GLint i)
703     {
704     return sl_float (i);
705     }
706     };
707    
708     template<>
709 root 1.6 struct sl_convert<vec2>
710     {
711     typedef sl_expr< sl_string<60> > T;
712     static const T convert (const vec2 &v);
713     };
714    
715     template<>
716 root 1.3 struct sl_convert<vec3>
717     {
718 root 1.6 typedef sl_expr< sl_string<80> > T;
719     static const T convert (const vec3 &v);
720 root 1.3 };
721    
722     template<>
723     struct sl_convert<vec4>
724     {
725 root 1.6 typedef sl_expr< sl_string<100> > T;
726     static const T convert (const vec4 &v);
727 root 1.3 };
728    
729     template<>
730     template<class V>
731     struct sl_convert< var_ref<V> >
732     {
733     typedef sl_expr< sl_append< var_ref<V> > > T;
734     static inline const T convert (const var_ref<V> &v)
735     {
736     return sl_append< var_ref<V> > (v);
737     }
738     };
739    
740     template<>
741     struct sl_convert<glvar>
742     {
743     typedef sl_expr< sl_append<glvar> > T;
744     static inline const T convert (const glvar &v)
745     {
746     return sl_append<glvar> (v);
747     }
748     };
749    
750     template<>
751     template<const char *strtype>
752     struct sl_convert< temp_ref<strtype> >
753     {
754     typedef sl_expr< sl_append< temp_ref<strtype> > > T;
755     static inline const T convert (const temp_ref<strtype> &v)
756     {
757     return sl_expr< sl_append< temp_ref<strtype> > >(
758     sl_append< temp_ref<strtype> > (v)
759     );
760     }
761     };
762    
763 root 1.5 extern const fragment_const_string str_2sp;
764     extern const fragment_const_string str_equal;
765 root 1.8 extern const fragment_const_string str_comma;
766 root 1.5 extern const fragment_const_string str_endl;
767    
768 root 1.3 template<class fragment, typename expr>
769     inline void sl_assign (const fragment &f, const expr &e)
770     {
771 root 1.5 cur->append (str_2sp);
772 root 1.3 cur->append (f);
773 root 1.5 cur->append (str_equal);
774 root 1.3 sl_convert<expr>::convert (e) ();
775 root 1.5 cur->append (str_endl);
776 root 1.3 }
777    
778     template<class type>
779     template<typename expr>
780     inline const auto_lvalue_ref0<type> &auto_lvalue_ref0<type>::operator =(const expr &e) const
781     {
782     sl_assign (*this, e);
783     return *this;
784     }
785    
786     template<class type, typename arg1>
787     template<typename expr>
788     inline const auto_lvalue_ref1<type,arg1> &auto_lvalue_ref1<type,arg1>::operator =(const expr &e) const
789     {
790     sl_assign (*this, e);
791     return *this;
792     }
793    
794 root 1.5 template<class T>
795     template<typename expr>
796     inline const sl_expr<T> &sl_expr<T>::operator =(const expr &e) const
797     {
798     sl_assign (*this, e);
799     return *this;
800     }
801    
802 root 1.3 template<const char *strtype>
803     template<typename expr>
804     inline const temp_ref<strtype> &temp_ref<strtype>::operator =(const expr &e) const
805     {
806     sl_assign (*this, e);
807     return *this;
808     }
809    
810     struct sl_append_const_string
811     {
812     fragment_const_string str;
813     sl_append_const_string (const char *s)
814     : str (s)
815     { }
816    
817     void operator ()() const
818     {
819     cur->push_back (str);
820     }
821     };
822    
823     # define SHADER_BINOP(op, str) \
824     extern const sl_append_const_string str_ ## str; \
825     template<typename A, typename B> \
826     inline const sl_expr< sl_concat3< typename sl_convert<A>::T, \
827     sl_append_const_string, \
828     typename sl_convert<B>::T > > \
829     operator op(const A &a, const B &b) \
830     { \
831     return concat (sl_convert<A>::convert (a), str_ ## str, sl_convert<B>::convert (b)); \
832     }
833    
834     SHADER_BINOP (+, plus);
835     SHADER_BINOP (-, minus);
836     SHADER_BINOP (*, mul);
837     SHADER_BINOP (/, div);
838 root 1.9 SHADER_BINOP (%, div);
839 root 1.3
840     # undef SHADER_BINOP
841    
842 root 1.5 void swizzle_mask (sl_string<7> &s, int mask);
843 root 1.6
844     extern const sl_append_const_string str_lpar;
845     extern const sl_append_const_string str_rpar;
846    
847     template<typename T>
848     inline const sl_expr< sl_concat3< sl_append_const_string,
849     typename sl_convert<T>::T,
850     sl_string<7>
851     > >
852     swizzle (const T &t, int a, int b = 0, int c = 0, int d = 0)
853     {
854     sl_string<7> s;
855     swizzle_mask (s, ((d * 5 + c) * 5 + b) * 5 + a);
856     return concat (str_lpar, sl_convert<T>::convert (t), s);
857     }
858    
859     # define SHADER_SWIZZLE_OP(abcd,type) \
860     template<typename T> \
861     inline const sl_expr< sl_concat3< sl_append_const_string, \
862     typename sl_convert<T>::T, \
863     sl_string<7> \
864     > > \
865     type (const T &t) \
866     { \
867     return swizzle (t, (abcd / 1000) % 5, (abcd / 100) % 5, (abcd / 10) % 5, (abcd / 1) % 5); \
868     }
869    
870     // brute force is lovely, ain't it?
871     SHADER_SWIZZLE_OP (1 , x ) SHADER_SWIZZLE_OP (11 , xx ) SHADER_SWIZZLE_OP (111 , xxx ) SHADER_SWIZZLE_OP (1111, xxxx)
872     SHADER_SWIZZLE_OP (1112, xxxy) SHADER_SWIZZLE_OP (1113, xxxz) SHADER_SWIZZLE_OP (1114, xxxw) SHADER_SWIZZLE_OP (112 , xxy )
873     SHADER_SWIZZLE_OP (1121, xxyx) SHADER_SWIZZLE_OP (1122, xxyy) SHADER_SWIZZLE_OP (1123, xxyz) SHADER_SWIZZLE_OP (1124, xxyw)
874     SHADER_SWIZZLE_OP (113 , xxz ) SHADER_SWIZZLE_OP (1131, xxzx) SHADER_SWIZZLE_OP (1132, xxzy) SHADER_SWIZZLE_OP (1133, xxzz)
875     SHADER_SWIZZLE_OP (1134, xxzw) SHADER_SWIZZLE_OP (114 , xxw ) SHADER_SWIZZLE_OP (1141, xxwx) SHADER_SWIZZLE_OP (1142, xxwy)
876     SHADER_SWIZZLE_OP (1143, xxwz) SHADER_SWIZZLE_OP (1144, xxww) SHADER_SWIZZLE_OP (12 , xy ) SHADER_SWIZZLE_OP (121 , xyx )
877     SHADER_SWIZZLE_OP (1211, xyxx) SHADER_SWIZZLE_OP (1212, xyxy) SHADER_SWIZZLE_OP (1213, xyxz) SHADER_SWIZZLE_OP (1214, xyxw)
878     SHADER_SWIZZLE_OP (122 , xyy ) SHADER_SWIZZLE_OP (1221, xyyx) SHADER_SWIZZLE_OP (1222, xyyy) SHADER_SWIZZLE_OP (1223, xyyz)
879     SHADER_SWIZZLE_OP (1224, xyyw) SHADER_SWIZZLE_OP (123 , xyz ) SHADER_SWIZZLE_OP (1231, xyzx) SHADER_SWIZZLE_OP (1232, xyzy)
880     SHADER_SWIZZLE_OP (1233, xyzz) SHADER_SWIZZLE_OP (1234, xyzw) SHADER_SWIZZLE_OP (124 , xyw ) SHADER_SWIZZLE_OP (1241, xywx)
881     SHADER_SWIZZLE_OP (1242, xywy) SHADER_SWIZZLE_OP (1243, xywz) SHADER_SWIZZLE_OP (1244, xyww) SHADER_SWIZZLE_OP (13 , xz )
882     SHADER_SWIZZLE_OP (131 , xzx ) SHADER_SWIZZLE_OP (1311, xzxx) SHADER_SWIZZLE_OP (1312, xzxy) SHADER_SWIZZLE_OP (1313, xzxz)
883     SHADER_SWIZZLE_OP (1314, xzxw) SHADER_SWIZZLE_OP (132 , xzy ) SHADER_SWIZZLE_OP (1321, xzyx) SHADER_SWIZZLE_OP (1322, xzyy)
884     SHADER_SWIZZLE_OP (1323, xzyz) SHADER_SWIZZLE_OP (1324, xzyw) SHADER_SWIZZLE_OP (133 , xzz ) SHADER_SWIZZLE_OP (1331, xzzx)
885     SHADER_SWIZZLE_OP (1332, xzzy) SHADER_SWIZZLE_OP (1333, xzzz) SHADER_SWIZZLE_OP (1334, xzzw) SHADER_SWIZZLE_OP (134 , xzw )
886     SHADER_SWIZZLE_OP (1341, xzwx) SHADER_SWIZZLE_OP (1342, xzwy) SHADER_SWIZZLE_OP (1343, xzwz) SHADER_SWIZZLE_OP (1344, xzww)
887     SHADER_SWIZZLE_OP (14 , xw ) SHADER_SWIZZLE_OP (141 , xwx ) SHADER_SWIZZLE_OP (1411, xwxx) SHADER_SWIZZLE_OP (1412, xwxy)
888     SHADER_SWIZZLE_OP (1413, xwxz) SHADER_SWIZZLE_OP (1414, xwxw) SHADER_SWIZZLE_OP (142 , xwy ) SHADER_SWIZZLE_OP (1421, xwyx)
889     SHADER_SWIZZLE_OP (1422, xwyy) SHADER_SWIZZLE_OP (1423, xwyz) SHADER_SWIZZLE_OP (1424, xwyw) SHADER_SWIZZLE_OP (143 , xwz )
890     SHADER_SWIZZLE_OP (1431, xwzx) SHADER_SWIZZLE_OP (1432, xwzy) SHADER_SWIZZLE_OP (1433, xwzz) SHADER_SWIZZLE_OP (1434, xwzw)
891     SHADER_SWIZZLE_OP (144 , xww ) SHADER_SWIZZLE_OP (1441, xwwx) SHADER_SWIZZLE_OP (1442, xwwy) SHADER_SWIZZLE_OP (1443, xwwz)
892     SHADER_SWIZZLE_OP (1444, xwww) SHADER_SWIZZLE_OP (2 , y ) SHADER_SWIZZLE_OP (21 , yx ) SHADER_SWIZZLE_OP (211 , yxx )
893     SHADER_SWIZZLE_OP (2111, yxxx) SHADER_SWIZZLE_OP (2112, yxxy) SHADER_SWIZZLE_OP (2113, yxxz) SHADER_SWIZZLE_OP (2114, yxxw)
894     SHADER_SWIZZLE_OP (212 , yxy ) SHADER_SWIZZLE_OP (2121, yxyx) SHADER_SWIZZLE_OP (2122, yxyy) SHADER_SWIZZLE_OP (2123, yxyz)
895     SHADER_SWIZZLE_OP (2124, yxyw) SHADER_SWIZZLE_OP (213 , yxz ) SHADER_SWIZZLE_OP (2131, yxzx) SHADER_SWIZZLE_OP (2132, yxzy)
896     SHADER_SWIZZLE_OP (2133, yxzz) SHADER_SWIZZLE_OP (2134, yxzw) SHADER_SWIZZLE_OP (214 , yxw ) SHADER_SWIZZLE_OP (2141, yxwx)
897     SHADER_SWIZZLE_OP (2142, yxwy) SHADER_SWIZZLE_OP (2143, yxwz) SHADER_SWIZZLE_OP (2144, yxww) SHADER_SWIZZLE_OP (22 , yy )
898     SHADER_SWIZZLE_OP (221 , yyx ) SHADER_SWIZZLE_OP (2211, yyxx) SHADER_SWIZZLE_OP (2212, yyxy) SHADER_SWIZZLE_OP (2213, yyxz)
899     SHADER_SWIZZLE_OP (2214, yyxw) SHADER_SWIZZLE_OP (222 , yyy ) SHADER_SWIZZLE_OP (2221, yyyx) SHADER_SWIZZLE_OP (2222, yyyy)
900     SHADER_SWIZZLE_OP (2223, yyyz) SHADER_SWIZZLE_OP (2224, yyyw) SHADER_SWIZZLE_OP (223 , yyz ) SHADER_SWIZZLE_OP (2231, yyzx)
901     SHADER_SWIZZLE_OP (2232, yyzy) SHADER_SWIZZLE_OP (2233, yyzz) SHADER_SWIZZLE_OP (2234, yyzw) SHADER_SWIZZLE_OP (224 , yyw )
902     SHADER_SWIZZLE_OP (2241, yywx) SHADER_SWIZZLE_OP (2242, yywy) SHADER_SWIZZLE_OP (2243, yywz) SHADER_SWIZZLE_OP (2244, yyww)
903     SHADER_SWIZZLE_OP (23 , yz ) SHADER_SWIZZLE_OP (231 , yzx ) SHADER_SWIZZLE_OP (2311, yzxx) SHADER_SWIZZLE_OP (2312, yzxy)
904     SHADER_SWIZZLE_OP (2313, yzxz) SHADER_SWIZZLE_OP (2314, yzxw) SHADER_SWIZZLE_OP (232 , yzy ) SHADER_SWIZZLE_OP (2321, yzyx)
905     SHADER_SWIZZLE_OP (2322, yzyy) SHADER_SWIZZLE_OP (2323, yzyz) SHADER_SWIZZLE_OP (2324, yzyw) SHADER_SWIZZLE_OP (233 , yzz )
906     SHADER_SWIZZLE_OP (2331, yzzx) SHADER_SWIZZLE_OP (2332, yzzy) SHADER_SWIZZLE_OP (2333, yzzz) SHADER_SWIZZLE_OP (2334, yzzw)
907     SHADER_SWIZZLE_OP (234 , yzw ) SHADER_SWIZZLE_OP (2341, yzwx) SHADER_SWIZZLE_OP (2342, yzwy) SHADER_SWIZZLE_OP (2343, yzwz)
908     SHADER_SWIZZLE_OP (2344, yzww) SHADER_SWIZZLE_OP (24 , yw ) SHADER_SWIZZLE_OP (241 , ywx ) SHADER_SWIZZLE_OP (2411, ywxx)
909     SHADER_SWIZZLE_OP (2412, ywxy) SHADER_SWIZZLE_OP (2413, ywxz) SHADER_SWIZZLE_OP (2414, ywxw) SHADER_SWIZZLE_OP (242 , ywy )
910     SHADER_SWIZZLE_OP (2421, ywyx) SHADER_SWIZZLE_OP (2422, ywyy) SHADER_SWIZZLE_OP (2423, ywyz) SHADER_SWIZZLE_OP (2424, ywyw)
911     SHADER_SWIZZLE_OP (243 , ywz ) SHADER_SWIZZLE_OP (2431, ywzx) SHADER_SWIZZLE_OP (2432, ywzy) SHADER_SWIZZLE_OP (2433, ywzz)
912     SHADER_SWIZZLE_OP (2434, ywzw) SHADER_SWIZZLE_OP (244 , yww ) SHADER_SWIZZLE_OP (2441, ywwx) SHADER_SWIZZLE_OP (2442, ywwy)
913     SHADER_SWIZZLE_OP (2443, ywwz) SHADER_SWIZZLE_OP (2444, ywww) SHADER_SWIZZLE_OP (3 , z ) SHADER_SWIZZLE_OP (31 , zx )
914     SHADER_SWIZZLE_OP (311 , zxx ) SHADER_SWIZZLE_OP (3111, zxxx) SHADER_SWIZZLE_OP (3112, zxxy) SHADER_SWIZZLE_OP (3113, zxxz)
915     SHADER_SWIZZLE_OP (3114, zxxw) SHADER_SWIZZLE_OP (312 , zxy ) SHADER_SWIZZLE_OP (3121, zxyx) SHADER_SWIZZLE_OP (3122, zxyy)
916     SHADER_SWIZZLE_OP (3123, zxyz) SHADER_SWIZZLE_OP (3124, zxyw) SHADER_SWIZZLE_OP (313 , zxz ) SHADER_SWIZZLE_OP (3131, zxzx)
917     SHADER_SWIZZLE_OP (3132, zxzy) SHADER_SWIZZLE_OP (3133, zxzz) SHADER_SWIZZLE_OP (3134, zxzw) SHADER_SWIZZLE_OP (314 , zxw )
918     SHADER_SWIZZLE_OP (3141, zxwx) SHADER_SWIZZLE_OP (3142, zxwy) SHADER_SWIZZLE_OP (3143, zxwz) SHADER_SWIZZLE_OP (3144, zxww)
919     SHADER_SWIZZLE_OP (32 , zy ) SHADER_SWIZZLE_OP (321 , zyx ) SHADER_SWIZZLE_OP (3211, zyxx) SHADER_SWIZZLE_OP (3212, zyxy)
920     SHADER_SWIZZLE_OP (3213, zyxz) SHADER_SWIZZLE_OP (3214, zyxw) SHADER_SWIZZLE_OP (322 , zyy ) SHADER_SWIZZLE_OP (3221, zyyx)
921     SHADER_SWIZZLE_OP (3222, zyyy) SHADER_SWIZZLE_OP (3223, zyyz) SHADER_SWIZZLE_OP (3224, zyyw) SHADER_SWIZZLE_OP (323 , zyz )
922     SHADER_SWIZZLE_OP (3231, zyzx) SHADER_SWIZZLE_OP (3232, zyzy) SHADER_SWIZZLE_OP (3233, zyzz) SHADER_SWIZZLE_OP (3234, zyzw)
923     SHADER_SWIZZLE_OP (324 , zyw ) SHADER_SWIZZLE_OP (3241, zywx) SHADER_SWIZZLE_OP (3242, zywy) SHADER_SWIZZLE_OP (3243, zywz)
924     SHADER_SWIZZLE_OP (3244, zyww) SHADER_SWIZZLE_OP (33 , zz ) SHADER_SWIZZLE_OP (331 , zzx ) SHADER_SWIZZLE_OP (3311, zzxx)
925     SHADER_SWIZZLE_OP (3312, zzxy) SHADER_SWIZZLE_OP (3313, zzxz) SHADER_SWIZZLE_OP (3314, zzxw) SHADER_SWIZZLE_OP (332 , zzy )
926     SHADER_SWIZZLE_OP (3321, zzyx) SHADER_SWIZZLE_OP (3322, zzyy) SHADER_SWIZZLE_OP (3323, zzyz) SHADER_SWIZZLE_OP (3324, zzyw)
927     SHADER_SWIZZLE_OP (333 , zzz ) SHADER_SWIZZLE_OP (3331, zzzx) SHADER_SWIZZLE_OP (3332, zzzy) SHADER_SWIZZLE_OP (3333, zzzz)
928     SHADER_SWIZZLE_OP (3334, zzzw) SHADER_SWIZZLE_OP (334 , zzw ) SHADER_SWIZZLE_OP (3341, zzwx) SHADER_SWIZZLE_OP (3342, zzwy)
929     SHADER_SWIZZLE_OP (3343, zzwz) SHADER_SWIZZLE_OP (3344, zzww) SHADER_SWIZZLE_OP (34 , zw ) SHADER_SWIZZLE_OP (341 , zwx )
930     SHADER_SWIZZLE_OP (3411, zwxx) SHADER_SWIZZLE_OP (3412, zwxy) SHADER_SWIZZLE_OP (3413, zwxz) SHADER_SWIZZLE_OP (3414, zwxw)
931     SHADER_SWIZZLE_OP (342 , zwy ) SHADER_SWIZZLE_OP (3421, zwyx) SHADER_SWIZZLE_OP (3422, zwyy) SHADER_SWIZZLE_OP (3423, zwyz)
932     SHADER_SWIZZLE_OP (3424, zwyw) SHADER_SWIZZLE_OP (343 , zwz ) SHADER_SWIZZLE_OP (3431, zwzx) SHADER_SWIZZLE_OP (3432, zwzy)
933     SHADER_SWIZZLE_OP (3433, zwzz) SHADER_SWIZZLE_OP (3434, zwzw) SHADER_SWIZZLE_OP (344 , zww ) SHADER_SWIZZLE_OP (3441, zwwx)
934     SHADER_SWIZZLE_OP (3442, zwwy) SHADER_SWIZZLE_OP (3443, zwwz) SHADER_SWIZZLE_OP (3444, zwww) SHADER_SWIZZLE_OP (4 , w )
935     SHADER_SWIZZLE_OP (41 , wx ) SHADER_SWIZZLE_OP (411 , wxx ) SHADER_SWIZZLE_OP (4111, wxxx) SHADER_SWIZZLE_OP (4112, wxxy)
936     SHADER_SWIZZLE_OP (4113, wxxz) SHADER_SWIZZLE_OP (4114, wxxw) SHADER_SWIZZLE_OP (412 , wxy ) SHADER_SWIZZLE_OP (4121, wxyx)
937     SHADER_SWIZZLE_OP (4122, wxyy) SHADER_SWIZZLE_OP (4123, wxyz) SHADER_SWIZZLE_OP (4124, wxyw) SHADER_SWIZZLE_OP (413 , wxz )
938     SHADER_SWIZZLE_OP (4131, wxzx) SHADER_SWIZZLE_OP (4132, wxzy) SHADER_SWIZZLE_OP (4133, wxzz) SHADER_SWIZZLE_OP (4134, wxzw)
939     SHADER_SWIZZLE_OP (414 , wxw ) SHADER_SWIZZLE_OP (4141, wxwx) SHADER_SWIZZLE_OP (4142, wxwy) SHADER_SWIZZLE_OP (4143, wxwz)
940     SHADER_SWIZZLE_OP (4144, wxww) SHADER_SWIZZLE_OP (42 , wy ) SHADER_SWIZZLE_OP (421 , wyx ) SHADER_SWIZZLE_OP (4211, wyxx)
941     SHADER_SWIZZLE_OP (4212, wyxy) SHADER_SWIZZLE_OP (4213, wyxz) SHADER_SWIZZLE_OP (4214, wyxw) SHADER_SWIZZLE_OP (422 , wyy )
942     SHADER_SWIZZLE_OP (4221, wyyx) SHADER_SWIZZLE_OP (4222, wyyy) SHADER_SWIZZLE_OP (4223, wyyz) SHADER_SWIZZLE_OP (4224, wyyw)
943     SHADER_SWIZZLE_OP (423 , wyz ) SHADER_SWIZZLE_OP (4231, wyzx) SHADER_SWIZZLE_OP (4232, wyzy) SHADER_SWIZZLE_OP (4233, wyzz)
944     SHADER_SWIZZLE_OP (4234, wyzw) SHADER_SWIZZLE_OP (424 , wyw ) SHADER_SWIZZLE_OP (4241, wywx) SHADER_SWIZZLE_OP (4242, wywy)
945     SHADER_SWIZZLE_OP (4243, wywz) SHADER_SWIZZLE_OP (4244, wyww) SHADER_SWIZZLE_OP (43 , wz ) SHADER_SWIZZLE_OP (431 , wzx )
946     SHADER_SWIZZLE_OP (4311, wzxx) SHADER_SWIZZLE_OP (4312, wzxy) SHADER_SWIZZLE_OP (4313, wzxz) SHADER_SWIZZLE_OP (4314, wzxw)
947     SHADER_SWIZZLE_OP (432 , wzy ) SHADER_SWIZZLE_OP (4321, wzyx) SHADER_SWIZZLE_OP (4322, wzyy) SHADER_SWIZZLE_OP (4323, wzyz)
948     SHADER_SWIZZLE_OP (4324, wzyw) SHADER_SWIZZLE_OP (433 , wzz ) SHADER_SWIZZLE_OP (4331, wzzx) SHADER_SWIZZLE_OP (4332, wzzy)
949     SHADER_SWIZZLE_OP (4333, wzzz) SHADER_SWIZZLE_OP (4334, wzzw) SHADER_SWIZZLE_OP (434 , wzw ) SHADER_SWIZZLE_OP (4341, wzwx)
950     SHADER_SWIZZLE_OP (4342, wzwy) SHADER_SWIZZLE_OP (4343, wzwz) SHADER_SWIZZLE_OP (4344, wzww) SHADER_SWIZZLE_OP (44 , ww )
951     SHADER_SWIZZLE_OP (441 , wwx ) SHADER_SWIZZLE_OP (4411, wwxx) SHADER_SWIZZLE_OP (4412, wwxy) SHADER_SWIZZLE_OP (4413, wwxz)
952     SHADER_SWIZZLE_OP (4414, wwxw) SHADER_SWIZZLE_OP (442 , wwy ) SHADER_SWIZZLE_OP (4421, wwyx) SHADER_SWIZZLE_OP (4422, wwyy)
953     SHADER_SWIZZLE_OP (4423, wwyz) SHADER_SWIZZLE_OP (4424, wwyw) SHADER_SWIZZLE_OP (443 , wwz ) SHADER_SWIZZLE_OP (4431, wwzx)
954     SHADER_SWIZZLE_OP (4432, wwzy) SHADER_SWIZZLE_OP (4433, wwzz) SHADER_SWIZZLE_OP (4434, wwzw) SHADER_SWIZZLE_OP (444 , www )
955     SHADER_SWIZZLE_OP (4441, wwwx) SHADER_SWIZZLE_OP (4442, wwwy) SHADER_SWIZZLE_OP (4443, wwwz) SHADER_SWIZZLE_OP (4444, wwww)
956    
957     # undef SHADER_SWIZZLE_OP
958 root 1.9
959     # define SHADER_FUNC0_(name, glname) \
960     template<typename A> \
961     inline const sl_expr<sl_func0> \
962     name () \
963     { \
964     return sl_func0 (#glname " ("); \
965     }
966    
967     # define SHADER_FUNC0(name) SHADER_FUNC0_(name,name)
968    
969     # define SHADER_FUNC1_(name, glname) \
970     template<typename A> \
971     inline const sl_expr< sl_func1<typename sl_convert<A>::T> > \
972     name (const A &a) \
973     { \
974     return sl_func1<typename sl_convert<A>::T> (#glname " (", sl_convert<A>::convert (a));\
975     }
976    
977     # define SHADER_FUNC1(name) SHADER_FUNC1_(name,name)
978    
979     # define SHADER_FUNC2_(name, glname) \
980     template<typename A, typename B> \
981     inline const sl_expr< sl_func2<typename sl_convert<A>::T, typename sl_convert<B>::T> > \
982     name (const A &a, const B &b) \
983     { \
984     return sl_func2<typename sl_convert<A>::T, typename sl_convert<B>::T> (#glname " (", sl_convert<A>::convert (a), sl_convert<B>::convert (b));\
985     }
986    
987     # define SHADER_FUNC2(name) SHADER_FUNC2_(name,name)
988    
989     # define SHADER_FUNC3_(name, glname) \
990     template<typename A, typename B, typename C> \
991     inline const sl_expr< sl_func3<typename sl_convert<A>::T, typename sl_convert<B>::T, typename sl_convert<C>::T> > \
992     name (const A &a, const B &b, const C &c) \
993     { \
994     return sl_func3<typename sl_convert<A>::T, typename sl_convert<B>::T, typename sl_convert<C>::T> (#glname " (", sl_convert<A>::convert (a), sl_convert<B>::convert (b), sl_convert<C>::convert (c));\
995     }
996    
997     # define SHADER_FUNC3(name) SHADER_FUNC3_(name,name)
998    
999     # define SHADER_FUNC4_(name, glname) \
1000     template<typename A, typename B, typename C, typename D> \
1001     inline const sl_expr< sl_func4<typename sl_convert<A>::T, typename sl_convert<B>::T, typename sl_convert<C>::T, typename sl_convert<D>::T > > \
1002     name (const A &a, const B &b, const C &c, const D &d) \
1003     { \
1004     return sl_func4<typename sl_convert<A>::T, typename sl_convert<B>::T, typename sl_convert<C>::T, typename sl_convert<D>::T> (#glname " (", sl_convert<A>::convert (a), sl_convert<B>::convert (b), sl_convert<C>::convert (c), sl_convert<D>::convert (d));\
1005     }
1006    
1007     # define SHADER_FUNC4(name) SHADER_FUNC4_(name,name)
1008    
1009     SHADER_FUNC1 (abs)
1010     SHADER_FUNC1 (acos)
1011     SHADER_FUNC1 (all)
1012     SHADER_FUNC1 (any)
1013     SHADER_FUNC1 (asin)
1014     SHADER_FUNC1 (atan)
1015     SHADER_FUNC2 (atan)
1016     SHADER_FUNC1 (ceil)
1017     SHADER_FUNC3 (clamp)
1018     SHADER_FUNC1 (cos)
1019     SHADER_FUNC2 (cross)
1020     SHADER_FUNC1 (dFdx)
1021     SHADER_FUNC1 (dFdy)
1022     SHADER_FUNC1 (degrees)
1023     SHADER_FUNC2 (distance)
1024     SHADER_FUNC2 (dot)
1025     SHADER_FUNC2_(equal, equal)
1026     SHADER_FUNC1 (exp)
1027     SHADER_FUNC1 (exp2)
1028     SHADER_FUNC3 (faceforward)
1029     SHADER_FUNC1 (floor)
1030     SHADER_FUNC1 (fract)
1031     SHADER_FUNC0 (ftransform)
1032     SHADER_FUNC1 (fwidth)
1033     SHADER_FUNC2_(greater_than_equal, greaterThanEqual)
1034     SHADER_FUNC2_(greater_then, greaterThan)
1035     SHADER_FUNC1 (inversesqrt)
1036     SHADER_FUNC1 (length)
1037     SHADER_FUNC2_(less_than, lessThan)
1038     SHADER_FUNC2_(less_than_equal, lessThanEqual)
1039     SHADER_FUNC1 (log)
1040     SHADER_FUNC1 (log2)
1041     SHADER_FUNC2_(matrix_comp_mult, matrixCompMult)
1042     SHADER_FUNC2 (max)
1043     SHADER_FUNC2 (min)
1044     SHADER_FUNC3 (mix)
1045     SHADER_FUNC2 (mod)
1046     SHADER_FUNC1 (noise1)
1047     SHADER_FUNC1 (noise2)
1048     SHADER_FUNC1 (noise3)
1049     SHADER_FUNC1 (noise4)
1050     SHADER_FUNC1 (normalize)
1051     SHADER_FUNC1 (gl_not) // TODO
1052     SHADER_FUNC2_(notequal, notEqual)
1053     SHADER_FUNC2 (pow)
1054     SHADER_FUNC1 (radians)
1055     SHADER_FUNC2 (reflect)
1056     SHADER_FUNC3 (refract)
1057     SHADER_FUNC2_(shadow_1d, shadow1D)
1058     SHADER_FUNC3_(shadow_1d, shadow1D)
1059     SHADER_FUNC3_(shadow_1d_lod, shadow1DLod)
1060     SHADER_FUNC2_(shadow_1d_proj, shadow1DProj)
1061     SHADER_FUNC3_(shadow_1d_proj, shadow1DProj)
1062     SHADER_FUNC3_(shadow_1d_proj_lod, shadow1DProjLod)
1063     SHADER_FUNC2_(shadow_2d, shadow2D)
1064     SHADER_FUNC3_(shadow_2d, shadow2D)
1065     SHADER_FUNC3_(shadow_2d_lod, shadow2DLod)
1066     SHADER_FUNC2_(shadow_2d_proj, shadow2DProj)
1067     SHADER_FUNC3_(shadow_2d_proj, shadow2DProj)
1068     SHADER_FUNC3_(shadow_2d_proj_lod, shadow2DProjLod)
1069     SHADER_FUNC1 (sign)
1070     SHADER_FUNC1 (sin)
1071     SHADER_FUNC3 (smoothstep)
1072     SHADER_FUNC1 (sqrt)
1073     SHADER_FUNC2 (step)
1074     SHADER_FUNC1 (tan)
1075     SHADER_FUNC2_(texture_1d, texture1D)
1076     SHADER_FUNC3_(texture_1d, texture1D)
1077     SHADER_FUNC3_(texture_1d_lod, texture1DLod)
1078     SHADER_FUNC2_(texture_1d_proj, texture1DProj)
1079     SHADER_FUNC3_(texture_1d_proj, texture1DProj)
1080     SHADER_FUNC3_(texture_1d_proj_lod, texture1DProjLod)
1081     SHADER_FUNC2_(texture_2d, texture2D)
1082     SHADER_FUNC3_(texture_2d, texture2D)
1083     SHADER_FUNC3_(texture_2d_lod, texture2DLod)
1084     SHADER_FUNC2_(texture_2d_proj, texture2DProj)
1085     SHADER_FUNC3_(texture_2d_proj, texture2DProj)
1086     SHADER_FUNC3_(texture_2d_proj_lod, texture2DProjLod)
1087     SHADER_FUNC2_(texture_3d, texture3D)
1088     SHADER_FUNC3_(texture_3d, texture3D)
1089     SHADER_FUNC3_(texture_3d_lod, texture3DLod)
1090     SHADER_FUNC2_(texture_3d_proj, texture3DProj)
1091     SHADER_FUNC3_(texture_3d_proj, texture3DProj)
1092     SHADER_FUNC3_(texture_3d_proj_lod, texture3DProjLod)
1093     SHADER_FUNC2_(texture_cube, textureCube)
1094     SHADER_FUNC3_(texture_cube, textureCube)
1095     SHADER_FUNC3_(texture_cude_lod, textureCubeLod)
1096     SHADER_FUNC1 (vec2) SHADER_FUNC2 (vec2)
1097     SHADER_FUNC1 (vec3) SHADER_FUNC2 (vec3) SHADER_FUNC3 (vec3)
1098     SHADER_FUNC1 (vec4) SHADER_FUNC2 (vec4) SHADER_FUNC3 (vec4) SHADER_FUNC4 (vec4)
1099     SHADER_FUNC1 (mat2) SHADER_FUNC2 (mat2)
1100     SHADER_FUNC1 (mat3) SHADER_FUNC2 (mat3) SHADER_FUNC3 (mat3)
1101     SHADER_FUNC1 (mat4) SHADER_FUNC2 (mat4) SHADER_FUNC3 (mat4) SHADER_FUNC4 (mat4)
1102    
1103     # undef SHADER_FUNC0
1104     # undef SHADER_FUNC0_
1105     # undef SHADER_FUNC1
1106     # undef SHADER_FUNC1_
1107     # undef SHADER_FUNC2
1108     # undef SHADER_FUNC2_
1109     # undef SHADER_FUNC3
1110     # undef SHADER_FUNC3_
1111     # undef SHADER_FUNC4
1112     # undef SHADER_FUNC5_
1113 root 1.6
1114 root 1.1 void debdebdebdebug ();//D
1115     }
1116    
1117     #endif
1118