use box projection function

1 files changed, 1 insertions, 42 deletions

diff --git a/sway/desktop/output.c b/sway/desktop/output.c
index ba282c2c..7b7fcbb9 100644
--- a/sway/desktop/output.c
+++ b/sway/desktop/output.c
@@ -57,46 +57,7 @@ static void render_surface(struct wlr_surface *surface,
         };
         if (wlr_output_layout_intersects(layout, wlr_output, &render_box)) {
                 float matrix[16];
-
-                float translate_center[16];
-                wlr_matrix_translate(&translate_center,
-                        (int)ox + render_width / 2, (int)oy + render_height / 2, 0);
-
-                float rotate[16];
-                wlr_matrix_rotate(&rotate, rotation);
-
-                float translate_origin[16];
-                wlr_matrix_translate(&translate_origin, -render_width / 2,
-                        -render_height / 2, 0);
-
-                float scale[16];
-                wlr_matrix_scale(&scale, render_width, render_height, 1);
-
-                float transform[16];
-                wlr_matrix_mul(&translate_center, &rotate, &transform);
-                wlr_matrix_mul(&transform, &translate_origin, &transform);
-                wlr_matrix_mul(&transform, &scale, &transform);
-
-                if (surface->current->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(surface->current->transform));
-
-                        float surface_translate_origin[16];
-                        wlr_matrix_translate(&surface_translate_origin, -0.5, -0.5, 0);
-
-                        wlr_matrix_mul(&transform, &surface_translate_center,
-                                &transform);
-                        wlr_matrix_mul(&transform, &surface_transform, &transform);
-                        wlr_matrix_mul(&transform, &surface_translate_origin,
-                                &transform);
-                }
-
-                wlr_matrix_mul(&wlr_output->transform_matrix, &transform, &matrix);
-
+                wlr_matrix_project_box(&matrix, &render_box, surface->current->transform, 0, &wlr_output->transform_matrix);
                 wlr_render_with_matrix(server.renderer, surface->texture,
                         &matrix);
 
@@ -220,8 +181,6 @@ static void output_frame_notify(struct wl_listener *listener, void *data) {
         struct wlr_renderer *renderer = wlr_backend_get_renderer(wlr_output->backend);
         wlr_renderer_clear(renderer, &clear_color);
 
-        wlr_renderer_clear(renderer, &clear_color);
-
         int buffer_age = -1;
         wlr_output_make_current(wlr_output, &buffer_age);
         wlr_renderer_begin(server->renderer, wlr_output);