goat3dgfx
annotate src/rtarg.h @ 16:f61cc1df533c
added viewscn example (under dev)
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Sat, 30 Nov 2013 20:53:26 +0200 |
| parents | 1873dfd13f2d |
| children |
| rev | line source |
|---|---|
| nuclear@0 | 1 #ifndef RTARG_H_ |
| nuclear@0 | 2 #define RTARG_H_ |
| nuclear@0 | 3 |
| nuclear@0 | 4 #include "vmath/vmath.h" |
| nuclear@0 | 5 #include "opengl.h" |
| nuclear@0 | 6 |
| nuclear@15 | 7 namespace goatgfx { |
| nuclear@15 | 8 |
| nuclear@0 | 9 class Texture; |
| nuclear@0 | 10 |
| nuclear@0 | 11 class RenderTarget { |
| nuclear@0 | 12 private: |
| nuclear@0 | 13 int width, height; |
| nuclear@0 | 14 |
| nuclear@0 | 15 unsigned int fbo; |
| nuclear@0 | 16 Texture *color_tex; |
| nuclear@0 | 17 unsigned int tex_targ; |
| nuclear@0 | 18 int tex_face; |
| nuclear@0 | 19 unsigned int rbuf_zstencil; |
| nuclear@0 | 20 |
| nuclear@0 | 21 public: |
| nuclear@0 | 22 RenderTarget(); |
| nuclear@0 | 23 ~RenderTarget(); |
| nuclear@0 | 24 |
| nuclear@0 | 25 bool create(unsigned int fmt = GL_RGBA); |
| nuclear@0 | 26 bool create(int width, int height, unsigned int fmt = GL_RGBA); |
| nuclear@0 | 27 bool create(Texture *tex, int face = 0); |
| nuclear@0 | 28 |
| nuclear@0 | 29 void cleanup(); |
| nuclear@0 | 30 |
| nuclear@0 | 31 bool resize(int width, int height); |
| nuclear@0 | 32 |
| nuclear@0 | 33 int get_width() const; |
| nuclear@0 | 34 int get_height() const; |
| nuclear@0 | 35 |
| nuclear@0 | 36 Texture *get_texture() const; |
| nuclear@0 | 37 |
| nuclear@0 | 38 /** calculates a texture matrix to map the full texture space |
| nuclear@0 | 39 * onto the part of the texture occupied by the render target |
| nuclear@0 | 40 */ |
| nuclear@0 | 41 Matrix4x4 get_texture_matrix() const; |
| nuclear@0 | 42 |
| nuclear@0 | 43 bool check() const; |
| nuclear@0 | 44 void bind() const; |
| nuclear@0 | 45 }; |
| nuclear@0 | 46 |
| nuclear@0 | 47 void set_render_target(const RenderTarget *rtarg); |
| nuclear@0 | 48 |
| nuclear@0 | 49 int next_pow2(int x); |
| nuclear@0 | 50 |
| nuclear@15 | 51 } // namespace goatgfx |
| nuclear@15 | 52 |
| nuclear@0 | 53 #endif // RTARG_H_ |