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Start turning most matrix 4x4 functions into macros

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This commit is contained in:
twinaphex 2017-04-16 03:45:07 +02:00
parent 793930b352
commit 809bce6cd9
4 changed files with 61 additions and 73 deletions
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2
gfx/common/gl_common.c
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@ -50,7 +50,7 @@ void gl_ff_matrix(const math_matrix_4x4 *mat)
glMatrixMode(GL_PROJECTION);
glLoadMatrixf(mat->data);
glMatrixMode(GL_MODELVIEW);
matrix_4x4_identity(&ident);
matrix_4x4_identity(ident);
glLoadMatrixf(ident.data);
#endif
}

47
libretro-common/gfx/math/matrix_4x4.c
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@ -163,53 +163,6 @@ void matrix_4x4_ortho(math_matrix_4x4 *mat,
MAT_ELEM_4X4(*mat, 3, 3) = 1.0f;
}
void matrix_4x4_scale(math_matrix_4x4 *out, float x, float y,
float z)
{
MAT_ELEM_4X4(*out, 0, 0) = x;
MAT_ELEM_4X4(*out, 0, 1) = 0.0f;
MAT_ELEM_4X4(*out, 0, 2) = 0.0f;
MAT_ELEM_4X4(*out, 0, 3) = 0.0f;
MAT_ELEM_4X4(*out, 1, 0) = 0.0f;
MAT_ELEM_4X4(*out, 1, 1) = y;
MAT_ELEM_4X4(*out, 1, 2) = 0.0f;
MAT_ELEM_4X4(*out, 1, 3) = 0.0f;
MAT_ELEM_4X4(*out, 2, 0) = 0.0f;
MAT_ELEM_4X4(*out, 2, 1) = 0.0f;
MAT_ELEM_4X4(*out, 2, 2) = z;
MAT_ELEM_4X4(*out, 2, 3) = 0.0f;
MAT_ELEM_4X4(*out, 3, 0) = 0.0f;
MAT_ELEM_4X4(*out, 3, 1) = 0.0f;
MAT_ELEM_4X4(*out, 3, 2) = 0.0f;
MAT_ELEM_4X4(*out, 3, 3) = 1.0f;
}
/*
* Builds a translation matrix. All other elements in
* the matrix will be set to zero except for the
* diagonal which is set to 1.0
*/
void matrix_4x4_translate(math_matrix_4x4 *out, float x,
float y, float z)
{
MAT_ELEM_4X4(*out, 0, 0) = 1.0f;
MAT_ELEM_4X4(*out, 0, 1) = 0.0f;
MAT_ELEM_4X4(*out, 0, 2) = 0.0f;
MAT_ELEM_4X4(*out, 0, 3) = x;
MAT_ELEM_4X4(*out, 1, 0) = 0.0f;
MAT_ELEM_4X4(*out, 1, 1) = 1.0f;
MAT_ELEM_4X4(*out, 1, 2) = 1.0f;
MAT_ELEM_4X4(*out, 1, 3) = y;
MAT_ELEM_4X4(*out, 2, 0) = 0.0f;
MAT_ELEM_4X4(*out, 2, 1) = 0.0f;
MAT_ELEM_4X4(*out, 2, 2) = 1.0f;
MAT_ELEM_4X4(*out, 2, 3) = z;
MAT_ELEM_4X4(*out, 3, 0) = 0.0f;
MAT_ELEM_4X4(*out, 3, 1) = 0.0f;
MAT_ELEM_4X4(*out, 3, 2) = 0.0f;
MAT_ELEM_4X4(*out, 3, 3) = 1.0f;
}
/*
* Creates a perspective projection matrix.
*/

83
libretro-common/include/gfx/math/matrix_4x4.h
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@ -45,28 +45,23 @@ typedef struct math_matrix_4x4
/*
* Sets mat to an identity matrix
*/
static INLINE void matrix_4x4_identity(math_matrix_4x4 *mat)
{
MAT_ELEM_4X4(*mat, 0, 0) = 1.0f;
MAT_ELEM_4X4(*mat, 0, 1) = 0.0f;
MAT_ELEM_4X4(*mat, 0, 2) = 0.0f;
MAT_ELEM_4X4(*mat, 0, 3) = 0.0f;
MAT_ELEM_4X4(*mat, 1, 0) = 0.0f;
MAT_ELEM_4X4(*mat, 1, 1) = 1.0f;
MAT_ELEM_4X4(*mat, 1, 2) = 0.0f;
MAT_ELEM_4X4(*mat, 1, 3) = 0.0f;
MAT_ELEM_4X4(*mat, 2, 0) = 0.0f;
MAT_ELEM_4X4(*mat, 2, 1) = 0.0f;
MAT_ELEM_4X4(*mat, 2, 2) = 1.0f;
MAT_ELEM_4X4(*mat, 2, 3) = 0.0f;
MAT_ELEM_4X4(*mat, 3, 0) = 0.0f;
MAT_ELEM_4X4(*mat, 3, 1) = 0.0f;
MAT_ELEM_4X4(*mat, 3, 2) = 0.0f;
MAT_ELEM_4X4(*mat, 3, 3) = 1.0f;
}
#define matrix_4x4_identity(mat) \
MAT_ELEM_4X4(mat, 0, 0) = 1.0f; \
MAT_ELEM_4X4(mat, 0, 1) = 0.0f; \
MAT_ELEM_4X4(mat, 0, 2) = 0.0f; \
MAT_ELEM_4X4(mat, 0, 3) = 0.0f; \
MAT_ELEM_4X4(mat, 1, 0) = 0.0f; \
MAT_ELEM_4X4(mat, 1, 1) = 1.0f; \
MAT_ELEM_4X4(mat, 1, 2) = 0.0f; \
MAT_ELEM_4X4(mat, 1, 3) = 0.0f; \
MAT_ELEM_4X4(mat, 2, 0) = 0.0f; \
MAT_ELEM_4X4(mat, 2, 1) = 0.0f; \
MAT_ELEM_4X4(mat, 2, 2) = 1.0f; \
MAT_ELEM_4X4(mat, 2, 3) = 0.0f; \
MAT_ELEM_4X4(mat, 3, 0) = 0.0f; \
MAT_ELEM_4X4(mat, 3, 1) = 0.0f; \
MAT_ELEM_4X4(mat, 3, 2) = 0.0f; \
MAT_ELEM_4X4(mat, 3, 3) = 1.0f
void matrix_4x4_copy(math_matrix_4x4 *dst, const math_matrix_4x4 *src);
void matrix_4x4_transpose(math_matrix_4x4 *out, const math_matrix_4x4 *in);
@ -87,8 +82,48 @@ void matrix_4x4_lookat(math_matrix_4x4 *out,
void matrix_4x4_multiply(math_matrix_4x4 *out, const math_matrix_4x4 *a, const math_matrix_4x4 *b);
void matrix_4x4_scale(math_matrix_4x4 *out, float x, float y, float z);
void matrix_4x4_translate(math_matrix_4x4 *out, float x, float y, float z);
#define matrix_4x4_scale(mat, x, y, z) \
MAT_ELEM_4X4(mat, 0, 0) = x; \
MAT_ELEM_4X4(mat, 0, 1) = 0.0f; \
MAT_ELEM_4X4(mat, 0, 2) = 0.0f; \
MAT_ELEM_4X4(mat, 0, 3) = 0.0f; \
MAT_ELEM_4X4(mat, 1, 0) = 0.0f; \
MAT_ELEM_4X4(mat, 1, 1) = y; \
MAT_ELEM_4X4(mat, 1, 2) = 0.0f; \
MAT_ELEM_4X4(mat, 1, 3) = 0.0f; \
MAT_ELEM_4X4(mat, 2, 0) = 0.0f; \
MAT_ELEM_4X4(mat, 2, 1) = 0.0f; \
MAT_ELEM_4X4(mat, 2, 2) = z; \
MAT_ELEM_4X4(mat, 2, 3) = 0.0f; \
MAT_ELEM_4X4(mat, 3, 0) = 0.0f; \
MAT_ELEM_4X4(mat, 3, 1) = 0.0f; \
MAT_ELEM_4X4(mat, 3, 2) = 0.0f; \
MAT_ELEM_4X4(mat, 3, 3) = 1.0f
/*
* Builds a translation matrix. All other elements in
* the matrix will be set to zero except for the
* diagonal which is set to 1.0
*/
#define matrix_4x4_translate(mat, x, y, z) \
MAT_ELEM_4X4(mat, 0, 0) = 1.0f; \
MAT_ELEM_4X4(mat, 0, 1) = 0.0f; \
MAT_ELEM_4X4(mat, 0, 2) = 0.0f; \
MAT_ELEM_4X4(mat, 0, 3) = x; \
MAT_ELEM_4X4(mat, 1, 0) = 0.0f; \
MAT_ELEM_4X4(mat, 1, 1) = 1.0f; \
MAT_ELEM_4X4(mat, 1, 2) = 1.0f; \
MAT_ELEM_4X4(mat, 1, 3) = y; \
MAT_ELEM_4X4(mat, 2, 0) = 0.0f; \
MAT_ELEM_4X4(mat, 2, 1) = 0.0f; \
MAT_ELEM_4X4(mat, 2, 2) = 1.0f; \
MAT_ELEM_4X4(mat, 2, 3) = z; \
MAT_ELEM_4X4(mat, 3, 0) = 0.0f; \
MAT_ELEM_4X4(mat, 3, 1) = 0.0f; \
MAT_ELEM_4X4(mat, 3, 2) = 0.0f; \
MAT_ELEM_4X4(mat, 3, 3) = 1.0f
void matrix_4x4_projection(math_matrix_4x4 *out, float y_fov, float aspect, float znear, float zfar);
RETRO_END_DECLS

2
menu/menu_display.c
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@ -912,7 +912,7 @@ void menu_display_rotate_z(menu_display_ctx_rotate_draw_t *draw)
if (!draw->scale_enable)
return;
matrix_4x4_scale(&matrix_scaled,
matrix_4x4_scale(matrix_scaled,
draw->scale_x, draw->scale_y, draw->scale_z);
matrix_4x4_multiply(draw->matrix, &matrix_scaled, draw->matrix);
#endif