diff options
Diffstat (limited to 'src/compositor/compositor-xrender.c')
| -rw-r--r-- | src/compositor/compositor-xrender.c | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/src/compositor/compositor-xrender.c b/src/compositor/compositor-xrender.c index 6baa01e3..8f325146 100644 --- a/src/compositor/compositor-xrender.c +++ b/src/compositor/compositor-xrender.c @@ -33,6 +33,7 @@ #include <gdk/gdk.h> #include <cairo/cairo-xlib.h> +#include <cairo/cairo-xlib-xrender.h> #include "display.h" #include "screen.h" @@ -167,6 +168,7 @@ typedef struct _MetaCompWindow Damage damage; Picture picture; + Picture mask; Picture alpha_pict; gboolean needs_shadow; @@ -1290,6 +1292,92 @@ get_window_picture (MetaCompWindow *cw) return None; } +static Picture +get_window_mask (MetaCompWindow *cw) +{ + MetaFrame *frame; + MetaScreen *screen; + MetaDisplay *display; + Display *xdisplay; + int width; + int height; + XRenderPictFormat *format; + Pixmap pixmap; + cairo_surface_t *surface; + cairo_t *cr; + Picture picture; + + if (cw->window == NULL) + return None; + + frame = meta_window_get_frame (cw->window); + if (frame == NULL) + return None; + + screen = cw->screen; + display = meta_screen_get_display (screen); + xdisplay = meta_display_get_xdisplay (display); + width = cw->attrs.width + cw->attrs.border_width * 2; + height = cw->attrs.height + cw->attrs.border_width * 2; + format = XRenderFindStandardFormat (xdisplay, PictStandardA8); + + meta_error_trap_push (display); + pixmap = XCreatePixmap (xdisplay, cw->id, width, height, format->depth); + if (meta_error_trap_pop_with_return (display, FALSE) != 0) + return None; + + surface = cairo_xlib_surface_create_with_xrender_format (xdisplay, pixmap, + DefaultScreenOfDisplay (xdisplay), + format, width, height); + + cr = cairo_create (surface); + + cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR); + cairo_set_source_rgba (cr, 0, 0, 0, 1); + cairo_paint (cr); + + { + cairo_rectangle_int_t rect; + cairo_region_t *frame_paint_region; + MetaFrameBorders borders; + + rect.x = 0; + rect.y = 0; + rect.width = width; + rect.height = height; + + frame_paint_region = cairo_region_create_rectangle (&rect); + meta_frame_calc_borders (frame, &borders); + + rect.x += borders.total.left; + rect.y += borders.total.top; + rect.width -= borders.total.left + borders.total.right; + rect.height -= borders.total.top + borders.total.bottom; + + cairo_region_subtract_rectangle (frame_paint_region, &rect); + + gdk_cairo_region (cr, frame_paint_region); + cairo_clip (cr); + + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + meta_frame_get_mask (frame, cr); + + cairo_surface_flush (surface); + cairo_region_destroy (frame_paint_region); + } + + cairo_destroy (cr); + cairo_surface_destroy (surface); + + meta_error_trap_push (display); + picture = XRenderCreatePicture (xdisplay, pixmap, format, 0, NULL); + meta_error_trap_pop (display, FALSE); + + XFreePixmap (xdisplay, pixmap); + + return picture; +} + static void paint_dock_shadows (MetaScreen *screen, Picture root_buffer, @@ -1397,6 +1485,9 @@ paint_windows (MetaScreen *screen, if (cw->picture == None) cw->picture = get_window_picture (cw); + if (cw->mask == None) + cw->mask = get_window_mask (cw); + /* If the clip region of the screen has been changed then we need to recreate the extents of the window */ if (info->clip_changed) @@ -1758,6 +1849,12 @@ free_win (MetaCompWindow *cw, cw->picture = None; } + if (cw->mask) + { + XRenderFreePicture (xdisplay, cw->mask); + cw->mask = None; + } + if (cw->shadow) { XRenderFreePicture (xdisplay, cw->shadow); @@ -2264,6 +2361,12 @@ resize_win (MetaCompWindow *cw, cw->picture = None; } + if (cw->mask) + { + XRenderFreePicture (xdisplay, cw->mask); + cw->mask = None; + } + if (cw->shadow) { XRenderFreePicture (xdisplay, cw->shadow); @@ -3137,6 +3240,12 @@ xrender_set_active_window (MetaCompositor *compositor, if (old_focus->attrs.map_state == IsViewable) { + if (old_focus->mask) + { + XRenderFreePicture (xdisplay, old_focus->mask); + old_focus->mask = None; + } + if (old_focus->shadow) { XRenderFreePicture (xdisplay, old_focus->shadow); @@ -3181,6 +3290,12 @@ xrender_set_active_window (MetaCompositor *compositor, determine_mode (display, screen, new_focus); new_focus->needs_shadow = window_has_shadow (new_focus); + if (new_focus->mask) + { + XRenderFreePicture (xdisplay, new_focus->mask); + new_focus->mask = None; + } + if (new_focus->shadow) { XRenderFreePicture (xdisplay, new_focus->shadow); |