1 #ifndef GLMATRIX_H_ 2 #define GLMATRIX_H_ 3 4 #ifndef GL_MODELVIEW 5 #define GL_MODELVIEW 0x1700 6 #endif 7 #ifndef GL_PROJECTION 8 #define GL_PROJECTION 0x1701 9 #endif 10 #ifndef GL_TEXTURE 11 #define GL_TEXTURE 0x1702 12 #endif 13 14 void gl_matrix_mode(int mmode); 15 void gl_push_matrix(void); 16 void gl_pop_matrix(void); 17 void gl_load_identity(void); 18 void gl_load_matrixf(const float *mat); 19 void gl_mult_matrixf(const float *mat); 20 void gl_translatef(float x, float y, float z); 21 void gl_rotatef(float angle, float x, float y, float z); 22 void gl_scalef(float x, float y, float z); 23 void gl_ortho(float left, float right, float bottom, float top, float znear, float zfar); 24 void gl_frustum(float left, float right, float bottom, float top, float znear, float zfar); 25 void glu_perspective(float vfov, float aspect, float znear, float zfar); 26 27 /* getters */ 28 float* get_matrix(int mm); 29 float* get_inv_transpose_3x3(int mm); 30 31 #endif /* GLMATRIX_H_ */ 32