68 lines
1.2 KiB
C
68 lines
1.2 KiB
C
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#ifndef CSC_OKUU_H
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#define CSC_OKUU_H
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#include <GL/glew.h>
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/** PRIMITIVES **/
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#define OKUU_MTYPE(T, R, C) \
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typedef union { \
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T mat[R][C]; \
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T gl[R*C]; \
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}
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#define OKUU_MTALL(R, C, N) \
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OKUU_MTYPE(GLint, R, C) N##i_t; \
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OKUU_MTYPE(GLuint, R, C) N##ui_t; \
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OKUU_MTYPE(GLfloat, R, C) N##f_t;
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OKUU_MTALL(4, 4, mat4);
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OKUU_MTALL(3, 3, mat3);
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OKUU_MTALL(2, 2, mat2);
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OKUU_MTALL(4, 1, vec4);
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OKUU_MTALL(3, 1, vec3);
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OKUU_MTALL(2, 1, vec2);
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/** END PRIMITIVES **/
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/** MATRIX GEN FUNCS **/
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#define OKUU_MGALL(M) \
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M(mat4i_t, i) \
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M(mat4ui_t, ui) \
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M(mat4f_t, f)
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#define OKUU_IDENT(T, S) \
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inline T okuu_ident##S(void) { \
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return (T) {{ \
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{1, 0, 0, 0}, \
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{0, 1, 0, 0}, \
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{0, 0, 1, 0}, \
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{0, 0, 0, 1}, \
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}}; \
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}
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OKUU_MGALL(OKUU_IDENT)
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mat4f_t okuu_ortho_ex
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(GLfloat left, GLfloat right,
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GLfloat top, GLfloat bottom,
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GLfloat near, GLfloat far);
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inline mat4f_t okuu_ortho
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(GLfloat left, GLfloat right,
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GLfloat top, GLfloat bottom)
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{
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return okuu_ortho_ex(left, right,top, bottom, -1, 1);
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}
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/** END MATRIX GEN FUNCS **/
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/** MATRIX OPERATIONS **/
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/** END MATRIX OPERATIONS **/
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#endif
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