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move matrix model code to matrix.h

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This commit is contained in:
Tony Crisci 2018-01-21 15:53:29 -05:00
parent 7474f00591
commit d13114520a
5 changed files with 68 additions and 56 deletions
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43
types/wlr_output.c
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@ -751,46 +751,3 @@ enum wl_output_transform wlr_output_transform_compose(
}
return flipped | rotated;
}
void wlr_output_get_box_matrix(struct wlr_output *output, int ox, int oy,
int width, int height, enum wl_output_transform transform,
float rotation, float (*mat)[16]) {
float translate_center[16];
wlr_matrix_translate(&translate_center,
(int)ox + width / 2, (int)oy + height / 2, 0);
float rotate[16];
wlr_matrix_rotate(&rotate, rotation);
float translate_origin[16];
wlr_matrix_translate(&translate_origin, -width / 2,
-height / 2, 0);
float scale[16];
wlr_matrix_scale(&scale, width, height, 1);
float transform_matrix[16];
wlr_matrix_mul(&translate_center, &rotate, &transform_matrix);
wlr_matrix_mul(&transform_matrix, &translate_origin, &transform_matrix);
wlr_matrix_mul(&transform_matrix, &scale, &transform_matrix);
if (transform != WL_OUTPUT_TRANSFORM_NORMAL) {
float surface_translate_center[16];
wlr_matrix_translate(&surface_translate_center, 0.5, 0.5, 0);
float surface_transform[16];
wlr_matrix_transform(surface_transform,
wlr_output_transform_invert(transform));
float surface_translate_origin[16];
wlr_matrix_translate(&surface_translate_origin, -0.5, -0.5, 0);
wlr_matrix_mul(&transform_matrix, &surface_translate_center,
&transform_matrix);
wlr_matrix_mul(&transform_matrix, &surface_transform, &transform_matrix);
wlr_matrix_mul(&transform_matrix, &surface_translate_origin,
&transform_matrix);
}
wlr_matrix_mul(&output->transform_matrix, &transform_matrix, mat);
}