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48 lines
1.7 KiB
C
48 lines
1.7 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2013 - Hans-Kristian Arntzen
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef MATH_MATRIX_H__
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#define MATH_MATRIX_H__
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// Colunm-major matrix (OpenGL-style).
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// Reimplements functionality from FF OpenGL pipeline to be able to work on GLES 2.0 and modern GL variants.
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typedef struct math_matrix
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{
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float data[16];
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} math_matrix;
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#define MAT_ELEM(mat, r, c) ((mat).data[4 * (c) + (r)])
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void matrix_load_identity(math_matrix *mat);
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void matrix_transpose(math_matrix *out, const math_matrix *in);
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void matrix_rotate_x(math_matrix *mat, float rad);
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void matrix_rotate_y(math_matrix *mat, float rad);
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void matrix_rotate_z(math_matrix *mat, float rad);
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void matrix_ortho(math_matrix *mat,
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float left, float right,
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float bottom, float top,
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float znear, float zfar);
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void matrix_multiply(math_matrix *out, const math_matrix *a, const math_matrix *b);
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void matrix_scale(math_matrix *out, float x, float y, float z);
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void matrix_translate(math_matrix *out, float x, float y, float z);
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void matrix_projection(math_matrix *out, float znear, float zfar);
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#endif
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