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Create matrix_4x4_copy

This commit is contained in:
twinaphex 2016-05-17 18:12:43 +02:00
parent 8b915bbc22
commit 070b7b78b1
2 changed files with 10 additions and 0 deletions
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9
libretro-common/gfx/math/matrix_4x4.c
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@ -25,6 +25,15 @@
#include <gfx/math/matrix_4x4.h> #include <gfx/math/matrix_4x4.h>
void matrix_4x4_copy(math_matrix_4x4 *dst, const math_matrix_4x4 *src)
{
unsigned i, j;
for (i = 0; i < 4; i++)
for (j = 0; j < 4; j++)
MAT_ELEM_4X4(*dst, i, j) = MAT_ELEM_4X4(*src, i, j);
}
/* /*
* Sets mat to an identity matrix * Sets mat to an identity matrix
*/ */

1
libretro-common/include/gfx/math/matrix_4x4.h
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@ -35,6 +35,7 @@ typedef struct math_matrix_4x4
#define MAT_ELEM_4X4(mat, r, c) ((mat).data[4 * (c) + (r)]) #define MAT_ELEM_4X4(mat, r, c) ((mat).data[4 * (c) + (r)])
void matrix_4x4_copy(math_matrix_4x4 *dst, const math_matrix_4x4 *src);
void matrix_4x4_identity(math_matrix_4x4 *mat); void matrix_4x4_identity(math_matrix_4x4 *mat);
void matrix_4x4_transpose(math_matrix_4x4 *out, const math_matrix_4x4 *in); void matrix_4x4_transpose(math_matrix_4x4 *out, const math_matrix_4x4 *in);