| … | |
… | |
| 395 | void clear () { diagonal (0.F); }; |
395 | void clear () { diagonal (0.F); }; |
| 396 | void identity () { diagonal (1.F); }; |
396 | void identity () { diagonal (1.F); }; |
| 397 | |
397 | |
| 398 | void print (); // ugly |
398 | void print (); // ugly |
| 399 | |
399 | |
| 400 | static const matrix translation (const vec3 &v); |
400 | static matrix translation (const vec3 &v); |
| 401 | static const matrix rotation (GLfloat degrees, const vec3 &axis); |
401 | static matrix rotation (GLfloat degrees, const vec3 &axis); |
|
|
402 | static matrix scaling (GLfloat sx, GLfloat sy, GLfloat sz, GLfloat w = 1.F); |
| 402 | |
403 | |
| 403 | matrix () { }; |
404 | matrix () { }; |
| 404 | matrix (GLfloat diag) { diagonal (diag); }; |
405 | matrix (GLfloat diag) { diagonal (diag); }; |
| 405 | }; |
406 | }; |
| 406 | |
407 | |
| 407 | const matrix operator *(const matrix &a, const matrix &b); |
408 | matrix operator *(const matrix &a, const matrix &b); |
| 408 | const vec3 operator *(const matrix &a, const vec3 &v); |
409 | vec3 operator *(const matrix &a, const vec3 &v); |
| 409 | |
410 | |
| 410 | template<GLenum target> |
411 | template<GLenum target> |
| 411 | struct vertex_buffer_object_base { |
412 | struct vertex_buffer_object { |
| 412 | GLuint buffer; |
413 | GLuint buffer; |
| 413 | GLenum format; |
414 | GLenum format; |
| 414 | GLsizei count; |
415 | GLsizei count; |
| 415 | |
416 | |
| 416 | bool alloc () |
417 | bool alloc () |
| … | |
… | |
| 441 | void set (const vector<data> &d, GLenum usage = GL_STATIC_DRAW_ARB) |
442 | void set (const vector<data> &d, GLenum usage = GL_STATIC_DRAW_ARB) |
| 442 | { |
443 | { |
| 443 | set (&d[0], d.size (), usage); |
444 | set (&d[0], d.size (), usage); |
| 444 | } |
445 | } |
| 445 | |
446 | |
| 446 | vertex_buffer_object_base () |
447 | vertex_buffer_object () |
| 447 | : buffer(0) |
448 | : buffer(0) |
| 448 | { |
449 | { |
| 449 | } |
450 | } |
| 450 | |
451 | |
| 451 | ~vertex_buffer_object_base () |
452 | ~vertex_buffer_object () |
| 452 | { |
453 | { |
| 453 | if (buffer) |
454 | if (buffer) |
| 454 | glDeleteBuffersARB (1, &buffer); |
455 | glDeleteBuffersARB (1, &buffer); |
| 455 | } |
456 | } |
| 456 | |
457 | |
| … | |
… | |
| 458 | { |
459 | { |
| 459 | return buffer; |
460 | return buffer; |
| 460 | } |
461 | } |
| 461 | }; |
462 | }; |
| 462 | |
463 | |
| 463 | struct vertex_buffer_object : vertex_buffer_object_base<GL_ARRAY_BUFFER_ARB> { |
464 | struct vertex_buffer : vertex_buffer_object<GL_ARRAY_BUFFER_ARB> { |
| 464 | void bind () |
465 | void bind () |
| 465 | { |
466 | { |
| 466 | vertex_buffer_object_base<GL_ARRAY_BUFFER_ARB>::bind (); |
467 | vertex_buffer_object<GL_ARRAY_BUFFER_ARB>::bind (); |
| 467 | glInterleavedArrays (format, 0, 0); |
468 | glInterleavedArrays (format, 0, 0); |
| 468 | } |
469 | } |
| 469 | |
470 | |
| 470 | void draw (GLenum mode, GLint first, GLsizei count) |
471 | void draw (GLenum mode, GLint first, GLsizei count) |
| 471 | { |
472 | { |
| 472 | bind (); |
473 | bind (); |
| 473 | glDrawArrays (mode, first, count); |
474 | glDrawArrays (mode, first, count); |
| 474 | } |
475 | } |
| 475 | }; |
476 | }; |
| 476 | |
477 | |
| 477 | struct index_buffer_object : vertex_buffer_object_base<GL_ELEMENT_ARRAY_BUFFER_ARB> { |
478 | struct index_buffer : vertex_buffer_object<GL_ELEMENT_ARRAY_BUFFER_ARB> { |
| 478 | void draw (GLenum mode, GLint first, GLsizei count) |
479 | void draw (GLenum mode, GLint first, GLsizei count) |
| 479 | { |
480 | { |
| 480 | bind (); |
481 | bind (); |
| 481 | glDrawElements (mode, count, format, (GLushort*)0 + first); // only SHORT supported :( // first //D//TODO |
482 | glDrawElements (mode, count, format, (GLushort*)0 + first); // only SHORT supported :( // first //D//TODO |
| 482 | } |
483 | } |
