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rootston: fix rotated views rendering

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This commit is contained in:
emersion 2019-03-02 11:54:21 +01:00 committed by Drew DeVault
parent 62fd03a7be
commit bfaf06f04b
1 changed files with 9 additions and 4 deletions
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13
rootston/output.c
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@ -260,15 +260,19 @@ static void scale_box(struct wlr_box *box, float scale) {
static void render_texture(struct wlr_output *wlr_output,
pixman_region32_t *output_damage, struct wlr_texture *texture,
const struct wlr_box *box, const float matrix[static 9], float alpha) {
const struct wlr_box *box, const float matrix[static 9],
float rotation, float alpha) {
struct wlr_renderer *renderer =
wlr_backend_get_renderer(wlr_output->backend);
assert(renderer);
struct wlr_box rotated;
wlr_box_rotated_bounds(&rotated, box, rotation);
pixman_region32_t damage;
pixman_region32_init(&damage);
pixman_region32_union_rect(&damage, &damage, box->x, box->y,
box->width, box->height);
pixman_region32_union_rect(&damage, &damage, rotated.x, rotated.y,
rotated.width, rotated.height);
pixman_region32_intersect(&damage, &damage, output_damage);
bool damaged = pixman_region32_not_empty(&damage);
if (!damaged) {
@ -308,7 +312,8 @@ static void render_surface_iterator(struct roots_output *output,
wlr_matrix_project_box(matrix, &box, transform, rotation,
wlr_output->transform_matrix);
render_texture(wlr_output, output_damage, texture, &box, matrix, alpha);
render_texture(wlr_output, output_damage,
texture, &box, matrix, rotation, alpha);
}
static void get_decoration_box(struct roots_view *view,