93 lines
2.4 KiB
C
93 lines
2.4 KiB
C
/*
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* Sweet is a small library for basic math and small matrix operations.
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* Copyright 2014 Luc Girod.
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*
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* This library is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation, either
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* version 3 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef SWEET_MATRIX_STACK
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#define SWEET_MATRIX_STACK
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#include "sweet_types.h"
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#include "sweet_matrix.h"
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#define SWEET_MATRIX_STACK_SIZE 128
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typedef struct matrix_stack2
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{
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mat2 matrix[SWEET_MATRIX_STACK_SIZE];
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unsigned int position;
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}matrix_stack2;
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typedef struct matrix_stack3
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{
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mat3 matrix[SWEET_MATRIX_STACK_SIZE];
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unsigned int position;
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}matrix_stack3;
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typedef struct matrix_stack4
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{
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mat4 matrix[SWEET_MATRIX_STACK_SIZE];
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unsigned int position;
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}matrix_stack4;
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matrix_stack2 sweet_matrix_stack2_new ();
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matrix_stack3 sweet_matrix_stack3_new ();
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matrix_stack4 sweet_matrix_stack4_new ();
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int sweet_matrix_stack2_push (matrix_stack2 * ms);
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int sweet_matrix_stack3_push (matrix_stack3 * ms);
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int sweet_matrix_stack4_push (matrix_stack4 * ms);
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int sweet_matrix_stack2_pop (matrix_stack2 * ms);
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int sweet_matrix_stack3_pop (matrix_stack3 * ms);
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int sweet_matrix_stack4_pop (matrix_stack4 * ms);
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void sweet_matrix_stack2_mult (matrix_stack2 * ms, mat2 * m);
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void sweet_matrix_stack3_mult (matrix_stack3 * ms, mat3 * m);
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void sweet_matrix_stack4_mult (matrix_stack4 * ms, mat4 * m);
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void sweet_matrix_stack2_set (matrix_stack2 * ms, mat2 * m);
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void sweet_matrix_stack3_set (matrix_stack3 * ms, mat3 * m);
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void sweet_matrix_stack4_set (matrix_stack4 * ms, mat4 * m);
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mat2 * sweet_matrix_stack2_get_matrix_pointer (matrix_stack2 * m);
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mat3 * sweet_matrix_stack3_get_matrix_pointer (matrix_stack3 * m);
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mat4 * sweet_matrix_stack4_get_matrix_pointer (matrix_stack4 * m);
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mat2 sweet_matrix_stack2_get_matrix (matrix_stack2 * m);
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mat3 sweet_matrix_stack3_get_matrix (matrix_stack3 * m);
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mat4 sweet_matrix_stack4_get_matrix (matrix_stack4 * m);
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#endif
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