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Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/math/m_matrix.h')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/math/m_matrix.h | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/math/m_matrix.h b/nx-X11/extras/Mesa/src/mesa/math/m_matrix.h deleted file mode 100644 index e8303f3ac..000000000 --- a/nx-X11/extras/Mesa/src/mesa/math/m_matrix.h +++ /dev/null @@ -1,195 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.3 - * - * Copyright (C) 1999-2005 Brian Paul All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - - -/** - * \file math/m_matrix.h - * Defines basic structures for matrix-handling. - */ - -#ifndef _M_MATRIX_H -#define _M_MATRIX_H - - - -/** - * \name Symbolic names to some of the entries in the matrix - * - * These are handy for the viewport mapping, which is expressed as a matrix. - */ -/*@{*/ -#define MAT_SX 0 -#define MAT_SY 5 -#define MAT_SZ 10 -#define MAT_TX 12 -#define MAT_TY 13 -#define MAT_TZ 14 -/*@}*/ - - -/** - * Different kinds of 4x4 transformation matrices. - * We use these to select specific optimized vertex transformation routines. - */ -enum GLmatrixtype { - MATRIX_GENERAL, /**< general 4x4 matrix */ - MATRIX_IDENTITY, /**< identity matrix */ - MATRIX_3D_NO_ROT, /**< orthogonal projection and others... */ - MATRIX_PERSPECTIVE, /**< perspective projection matrix */ - MATRIX_2D, /**< 2-D transformation */ - MATRIX_2D_NO_ROT, /**< 2-D scale & translate only */ - MATRIX_3D /**< 3-D transformation */ -} ; - -/** - * Matrix type to represent 4x4 transformation matrices. - */ -typedef struct { - GLfloat *m; /**< 16 matrix elements (16-byte aligned) */ - GLfloat *inv; /**< optional 16-element inverse (16-byte aligned) */ - GLuint flags; /**< possible values determined by (of \link - * MatFlags MAT_FLAG_* flags\endlink) - */ - enum GLmatrixtype type; -} GLmatrix; - - - - -extern void -_math_matrix_ctr( GLmatrix *m ); - -extern void -_math_matrix_dtr( GLmatrix *m ); - -extern void -_math_matrix_alloc_inv( GLmatrix *m ); - -extern void -_math_matrix_mul_matrix( GLmatrix *dest, const GLmatrix *a, const GLmatrix *b ); - -extern void -_math_matrix_mul_floats( GLmatrix *dest, const GLfloat *b ); - -extern void -_math_matrix_loadf( GLmatrix *mat, const GLfloat *m ); - -extern void -_math_matrix_translate( GLmatrix *mat, GLfloat x, GLfloat y, GLfloat z ); - -extern void -_math_matrix_rotate( GLmatrix *m, GLfloat angle, - GLfloat x, GLfloat y, GLfloat z ); - -extern void -_math_matrix_scale( GLmatrix *mat, GLfloat x, GLfloat y, GLfloat z ); - -extern void -_math_matrix_ortho( GLmatrix *mat, - GLfloat left, GLfloat right, - GLfloat bottom, GLfloat top, - GLfloat nearval, GLfloat farval ); - -extern void -_math_matrix_frustum( GLmatrix *mat, - GLfloat left, GLfloat right, - GLfloat bottom, GLfloat top, - GLfloat nearval, GLfloat farval ); - -extern void -_math_matrix_viewport(GLmatrix *m, GLint x, GLint y, GLint width, GLint height, - GLfloat zNear, GLfloat zFar, GLfloat depthMax); - -extern void -_math_matrix_set_identity( GLmatrix *dest ); - -extern void -_math_matrix_copy( GLmatrix *to, const GLmatrix *from ); - -extern void -_math_matrix_analyse( GLmatrix *mat ); - -extern void -_math_matrix_print( const GLmatrix *m ); - -extern GLboolean -_math_matrix_is_length_preserving( const GLmatrix *m ); - -extern GLboolean -_math_matrix_has_rotation( const GLmatrix *m ); - -extern GLboolean -_math_matrix_is_general_scale( const GLmatrix *m ); - -extern GLboolean -_math_matrix_is_dirty( const GLmatrix *m ); - - -/** - * \name Related functions that don't actually operate on GLmatrix structs - */ -/*@{*/ - -extern void -_math_transposef( GLfloat to[16], const GLfloat from[16] ); - -extern void -_math_transposed( GLdouble to[16], const GLdouble from[16] ); - -extern void -_math_transposefd( GLfloat to[16], const GLdouble from[16] ); - - -/* - * Transform a point (column vector) by a matrix: Q = M * P - */ -#define TRANSFORM_POINT( Q, M, P ) \ - Q[0] = M[0] * P[0] + M[4] * P[1] + M[8] * P[2] + M[12] * P[3]; \ - Q[1] = M[1] * P[0] + M[5] * P[1] + M[9] * P[2] + M[13] * P[3]; \ - Q[2] = M[2] * P[0] + M[6] * P[1] + M[10] * P[2] + M[14] * P[3]; \ - Q[3] = M[3] * P[0] + M[7] * P[1] + M[11] * P[2] + M[15] * P[3]; - - -#define TRANSFORM_POINT3( Q, M, P ) \ - Q[0] = M[0] * P[0] + M[4] * P[1] + M[8] * P[2] + M[12]; \ - Q[1] = M[1] * P[0] + M[5] * P[1] + M[9] * P[2] + M[13]; \ - Q[2] = M[2] * P[0] + M[6] * P[1] + M[10] * P[2] + M[14]; \ - Q[3] = M[3] * P[0] + M[7] * P[1] + M[11] * P[2] + M[15]; - - -/* - * Transform a normal (row vector) by a matrix: [NX NY NZ] = N * MAT - */ -#define TRANSFORM_NORMAL( TO, N, MAT ) \ -do { \ - TO[0] = N[0] * MAT[0] + N[1] * MAT[1] + N[2] * MAT[2]; \ - TO[1] = N[0] * MAT[4] + N[1] * MAT[5] + N[2] * MAT[6]; \ - TO[2] = N[0] * MAT[8] + N[1] * MAT[9] + N[2] * MAT[10]; \ -} while (0) - - -/*@}*/ - - -#endif |