diff --git a/src/compositor-x11.c b/src/compositor-x11.c index 58ccc162..9d6b6e75 100644 --- a/src/compositor-x11.c +++ b/src/compositor-x11.c @@ -354,6 +354,111 @@ x11_output_repaint_gl(struct weston_output *output_base, wl_event_source_timer_update(output->finish_frame_timer, 10); } +static void +set_clip_for_output(struct weston_output *output_base, pixman_region32_t *region) +{ + struct x11_output *output = (struct x11_output *)output_base; + struct weston_compositor *ec = output->base.compositor; + struct x11_compositor *c = (struct x11_compositor *)ec; + pixman_box32_t *rects; + xcb_rectangle_t *output_rects; + pixman_box32_t rect, transformed_rect; + xcb_void_cookie_t cookie; + int width, height, nrects, i; + xcb_generic_error_t *err; + + rects = pixman_region32_rectangles(region, &nrects); + output_rects = calloc(nrects, sizeof(xcb_rectangle_t)); + + if (output_rects == NULL) + return; + + width = output_base->width; + height = output_base->height; + + for (i = 0; i < nrects; i++) { + rect = rects[i]; + rect.x1 -= output_base->x; + rect.y1 -= output_base->y; + rect.x2 -= output_base->x; + rect.y2 -= output_base->y; + + switch (output_base->transform) { + default: + case WL_OUTPUT_TRANSFORM_NORMAL: + transformed_rect.x1 = rect.x1; + transformed_rect.y1 = rect.y1; + transformed_rect.x2 = rect.x2; + transformed_rect.y2 = rect.y2; + break; + case WL_OUTPUT_TRANSFORM_90: + transformed_rect.x1 = height - rect.y2; + transformed_rect.y1 = rect.x1; + transformed_rect.x2 = height - rect.y1; + transformed_rect.y2 = rect.x2; + break; + case WL_OUTPUT_TRANSFORM_180: + transformed_rect.x1 = width - rect.x2; + transformed_rect.y1 = height - rect.y2; + transformed_rect.x2 = width - rect.x1; + transformed_rect.y2 = height - rect.y1; + break; + case WL_OUTPUT_TRANSFORM_270: + transformed_rect.x1 = rect.y1; + transformed_rect.y1 = width - rect.x2; + transformed_rect.x2 = rect.y2; + transformed_rect.y2 = width - rect.x1; + break; + case WL_OUTPUT_TRANSFORM_FLIPPED: + transformed_rect.x1 = width - rect.x2; + transformed_rect.y1 = rect.y1; + transformed_rect.x2 = width - rect.x1; + transformed_rect.y2 = rect.y2; + break; + case WL_OUTPUT_TRANSFORM_FLIPPED_90: + transformed_rect.x1 = height - rect.y2; + transformed_rect.y1 = width - rect.x2; + transformed_rect.x2 = height - rect.y1; + transformed_rect.y2 = width - rect.x1; + break; + case WL_OUTPUT_TRANSFORM_FLIPPED_180: + transformed_rect.x1 = rect.x1; + transformed_rect.y1 = height - rect.y2; + transformed_rect.x2 = rect.x2; + transformed_rect.y2 = height - rect.y1; + break; + case WL_OUTPUT_TRANSFORM_FLIPPED_270: + transformed_rect.x1 = rect.y1; + transformed_rect.y1 = rect.x1; + transformed_rect.x2 = rect.y2; + transformed_rect.y2 = rect.x2; + break; + } + + transformed_rect.x1 *= output_base->scale; + transformed_rect.y1 *= output_base->scale; + transformed_rect.x2 *= output_base->scale; + transformed_rect.y2 *= output_base->scale; + + output_rects[i].x = transformed_rect.x1; + output_rects[i].y = transformed_rect.y1; + output_rects[i].width = transformed_rect.x2 - transformed_rect.x1; + output_rects[i].height = transformed_rect.y2 - transformed_rect.y1; + } + + cookie = xcb_set_clip_rectangles_checked(c->conn, XCB_CLIP_ORDERING_UNSORTED, + output->gc, + 0, 0, nrects, + output_rects); + err = xcb_request_check(c->conn, cookie); + if (err != NULL) { + weston_log("Failed to set clip rects, err: %d\n", err->error_code); + free(err); + } + free(output_rects); +} + + static void x11_output_repaint_shm(struct weston_output *output_base, pixman_region32_t *damage) @@ -369,6 +474,7 @@ x11_output_repaint_shm(struct weston_output *output_base, pixman_region32_subtract(&ec->primary_plane.damage, &ec->primary_plane.damage, damage); + set_clip_for_output(output_base, damage); cookie = xcb_shm_put_image_checked(c->conn, output->window, output->gc, pixman_image_get_width(output->hw_surface), pixman_image_get_height(output->hw_surface),