+#include "efence.h"
+
#include "render.h"
#include "screen.h"
#include "window.h"
+#include "display.h"
#include "list.h"
#include <stdio.h>
+#include <assert.h>
#include <stdlib.h>
#include <xcb/render.h>
-#define PLUGIN_NAME "render"
+static int plugin_id;
typedef struct {
void (*screen_paint)(d_screen_t *sc);
+ void (*window_show)(d_window_t *w);
+ void (*window_hide)(d_window_t *w);
+ void (*window_resize)(d_window_t *w);
+
+ xcb_render_query_pict_formats_reply_t *pict_formats;
+ xcb_render_picture_t overlay_picture;
+ xcb_render_picture_t overlay_buffer;
+ xcb_render_picture_t solid_bg;
} data_t;
-static void render_paint_screen(d_screen_t *sc);
-static void paint_root(d_screen_t *sc);
-static void paint_window(d_window_t *window);
+typedef struct {
+ xcb_render_picture_t picture;
+ gboolean waiting_picture;
+ xcb_void_cookie_t ck_picture;
+} window_data_t;
+
+static void render_screen_paint(d_screen_t *sc);
+static void paint_root(d_screen_t *sc, data_t *d);
+static void paint_window(d_window_t *window, data_t *d);
+static void render_update_picture(d_window_t *w, data_t *d, window_data_t *wd,
+ gboolean children);
+static void render_free_picture(d_window_t *w, window_data_t *wd);
+static xcb_render_pictformat_t find_visual_format(data_t *d,
+ xcb_visualid_t visual);
+static xcb_render_picture_t solid_picture(d_screen_t *sc,
+ double a, double r,
+ double g, double b);
+
+static void render_window_show(d_window_t *window);
+static void render_window_hide(d_window_t *window);
+static void render_window_resize(d_window_t *window);
void
-render_init(d_screen_t *sc)
+render_init(d_screen_t *sc, int id)
{
+ xcb_render_query_pict_formats_cookie_t ck;
+ xcb_render_pictformat_t format;
+ xcb_pixmap_t px;
+
+ plugin_id = id;
+
data_t *d = malloc(sizeof(data_t));
d->screen_paint = sc->screen_paint;
- screen_add_plugin_data(sc, PLUGIN_NAME, d);
+ d->window_show = sc->window_show;
+ d->window_hide = sc->window_hide;
+ d->window_resize = sc->window_resize;
+ screen_add_plugin_data(sc, plugin_id, d);
+
+ sc->screen_paint = render_screen_paint;
+ sc->window_show = render_window_show;
+ sc->window_hide = render_window_hide;
+ sc->window_resize = render_window_resize;
+
+ ck = xcb_render_query_pict_formats_unchecked(sc->dpy->conn);
+ d->pict_formats = xcb_render_query_pict_formats_reply(sc->dpy->conn, ck,
+ NULL);
- sc->screen_paint = render_paint_screen;
+ format = find_visual_format(d, sc->super.root_visual);
+
+ d->overlay_picture = xcb_generate_id(sc->dpy->conn);
+ xcb_render_create_picture(sc->dpy->conn,
+ d->overlay_picture, sc->overlay, format,
+ 0, NULL);
+
+ /* make the double buffer */
+ px = xcb_generate_id(sc->dpy->conn);
+ xcb_create_pixmap(sc->dpy->conn, sc->super.root_depth, px,
+ sc->super.root, sc->super.width_in_pixels,
+ sc->super.height_in_pixels);
+ d->overlay_buffer = xcb_generate_id(sc->dpy->conn);
+ xcb_render_create_picture(sc->dpy->conn, d->overlay_buffer, px,
+ format, 0, 0);
+ xcb_free_pixmap(sc->dpy->conn, px);
+
+ d->solid_bg = solid_picture(sc, 1.0, 0.0, 0.0, 0.0);
}
void
render_free(d_screen_t *sc)
{
- data_t *d = screen_find_plugin_data(sc, PLUGIN_NAME);
+ data_t *d = screen_find_plugin_data(sc, plugin_id);
+ free(d->pict_formats);
+ xcb_render_free_picture(sc->dpy->conn, d->solid_bg);
+ xcb_render_free_picture(sc->dpy->conn, d->overlay_picture);
+ xcb_render_free_picture(sc->dpy->conn, d->overlay_buffer);
free(d);
+ screen_remove_plugin_data(sc, plugin_id);
+}
+
+void
+render_window_free(d_window_t *w, window_data_t *wd)
+{
+ render_free_picture(w, wd);
+ free(wd);
+}
+
+static void
+render_window_show(d_window_t *w)
+{
+ data_t *d;
+ window_data_t *wd;
+
+ d = screen_find_plugin_data(w->sc, plugin_id);
+
+ /* pass it on */
+ d->window_show(w);
+
+ wd = window_find_plugin_data(w, plugin_id);
+ if (wd)
+ render_window_free(w, wd);
+
+ wd = malloc(sizeof(window_data_t));
+ wd->picture = XCB_NONE;
+ wd->waiting_picture = FALSE;
+ window_add_plugin_data(w, plugin_id, wd);
+
+ window_ref(w);
+}
+
+static void
+render_window_hide(d_window_t *w)
+{
+ data_t *d;
+ window_data_t *wd;
+
+ d = screen_find_plugin_data(w->sc, plugin_id);
+ wd = window_find_plugin_data(w, plugin_id);
+ if (wd) {
+ render_window_free(w, wd);
+ window_remove_plugin_data(w, plugin_id);
+ }
+
+ /* pass it on */
+ d->window_hide(w);
+}
+
+static
+xcb_render_picture_t solid_picture(d_screen_t *sc,
+ double a, double r,
+ double g, double b)
+{
+ xcb_render_picture_t picture;
+ xcb_render_color_t c;
+
+ picture = xcb_generate_id (sc->dpy->conn);
+
+ c.alpha = a * 0xffff;
+ c.red = a * r * 0xffff;
+ c.green = a * g * 0xffff;
+ c.blue = a * b * 0xffff;
+
+ xcb_render_create_solid_fill (sc->dpy->conn, picture, c);
+ return picture;
+}
+
+static xcb_render_pictformat_t
+find_visual_format(data_t *d, xcb_visualid_t visual)
+{
+ xcb_render_pictscreen_iterator_t si;
+ xcb_render_pictdepth_iterator_t di;
+ xcb_render_pictvisual_iterator_t vi;
+
+ if (!visual) return XCB_NONE;
+
+ /* go through all the screens */
+ si = xcb_render_query_pict_formats_screens_iterator(d->pict_formats);
+ for (; si.rem; xcb_render_pictscreen_next(&si)) {
+ di = xcb_render_pictscreen_depths_iterator(si.data);
+ for (; di.rem; xcb_render_pictdepth_next(&di)) {
+ vi = xcb_render_pictdepth_visuals_iterator(di.data);
+ for (; vi.rem; xcb_render_pictvisual_next(&vi)) {
+ if (vi.data->visual == visual)
+ return vi.data->format;
+ }
+ }
+ }
+ return XCB_NONE;
+}
+
+static xcb_render_picture_t
+render_get_picture(d_window_t *w, window_data_t *wd)
+{
+ if (wd->waiting_picture) {
+ xcb_generic_error_t *err;
+ //printf("** checking create picture 0x%x\n", w->id);
+ err = xcb_request_check(w->sc->dpy->conn, wd->ck_picture);
+ if (err) {
+ wd->picture = XCB_NONE;
+ printf("error creating picture for window 0x%x\n", w->id);
+ free(err);
+ }
+ wd->waiting_picture = FALSE;
+ }
+ //printf("returning picture 0x%x for window 0x%x\n", wd->picture, w->id);
+ return wd->picture;
+}
+
+static void
+render_free_picture(d_window_t *w, window_data_t *wd)
+{
+ xcb_render_picture_t pict;
+
+ pict = render_get_picture(w, wd);
+ if (pict) xcb_render_free_picture(w->sc->dpy->conn, pict);
+ wd->picture = XCB_NONE;
+}
+
+static void
+render_update_picture(d_window_t *w, data_t *d, window_data_t *wd,
+ gboolean children)
+{
+ xcb_pixmap_t px;
+
+ px = window_get_pixmap(w);
+ //printf("got pixmap 0x%x\n", px);
+ if (px) {
+ xcb_render_pictformat_t format;
+ const uint32_t vals = (children ?
+ XCB_SUBWINDOW_MODE_INCLUDE_INFERIORS :
+ XCB_SUBWINDOW_MODE_CLIP_BY_CHILDREN);
+
+ render_free_picture(w, wd);
+
+ wd->picture = xcb_generate_id(w->sc->dpy->conn);
+ format = find_visual_format(d, window_get_visual(w));
+ wd->ck_picture =
+ xcb_render_create_picture_checked(w->sc->dpy->conn,
+ wd->picture, px, format,
+ XCB_RENDER_CP_SUBWINDOW_MODE,
+ &vals);
+ wd->waiting_picture = TRUE;
+ }
}
static void
-render_paint_screen(d_screen_t *sc)
+render_window_resize(d_window_t *w)
{
- data_t *d = screen_find_plugin_data(sc, PLUGIN_NAME);
+ data_t *d;
+ window_data_t *wd;
+
+ d = screen_find_plugin_data(w->sc, plugin_id);
+ wd = window_find_plugin_data(w, plugin_id);
+ assert(wd != NULL);
+ render_free_picture(w, wd);
+
+ /* pass it on */
+ d->window_resize(w);
+}
+
+static void
+render_screen_paint(d_screen_t *sc)
+{
+ data_t *d = screen_find_plugin_data(sc, plugin_id);
d_list_it_t *it;
- printf("-- painting --\n");
- paint_root(sc);
- for (it = list_bottom(sc->stacking); it; it = it->prev)
- paint_window(it->data);
+ //printf("-- painting --\n");
+ paint_root(sc, d);
+#if 1
+ for (it = list_bottom(sc->stacking); it; it = it->prev) {
+ d_window_t *w = it->data;
+ if (!window_is_input_only(w) && window_is_mapped(w))
+ paint_window(w, d);
+ }
+#endif
+
+ /* copy the double buffer to the overlay window */
+ xcb_render_composite(sc->dpy->conn,
+ XCB_RENDER_PICT_OP_SRC,
+ d->overlay_buffer,
+ XCB_NONE,
+ d->overlay_picture,
+ 0, 0, 0, 0,
+ 0, 0,
+ sc->super.width_in_pixels,
+ sc->super.height_in_pixels);
/* call the function we replaced in the chain */
d->screen_paint(sc);
}
static void
-paint_root(d_screen_t *sc)
+paint_root(d_screen_t *sc, data_t *d)
{
- int w, h;
-
- w = sc->super.width_in_pixels;
- h = sc->super.height_in_pixels;
-
- //printf("-- paint root 0x%x --\n", sc->super.root);
+ xcb_render_composite(sc->dpy->conn,
+ XCB_RENDER_PICT_OP_CLEAR,
+ d->solid_bg,
+ XCB_NONE,
+ d->overlay_buffer,
+ 0, 0, 0, 0,
+ 0, 0,
+ sc->super.width_in_pixels,
+ sc->super.height_in_pixels);
}
static void
-paint_window(d_window_t *w)
+paint_window(d_window_t *w, data_t *d)
{
- //printf("-- paint window 0x%x --\n", w->id);
+ window_data_t *wd;
+ xcb_render_picture_t pict;
+ int x, y, width, height, bwidth;
+
+ wd = window_find_plugin_data(w, plugin_id);
+
+ if (!wd->picture)
+ render_update_picture(w, d, wd, TRUE);
+ pict = render_get_picture(w, wd);
+
+ //printf("-- paint window 0x%x picture 0x%x --\n", w->id, wd->picture);
+ window_get_area(w, &x, &y, &width, &height, &bwidth);
+ xcb_render_composite(w->sc->dpy->conn,
+ //XCB_RENDER_PICT_OP_SRC, /* - for solid */
+ XCB_RENDER_PICT_OP_OVER, /* - for argb */
+ wd->picture,
+ XCB_NONE,
+ d->overlay_buffer,
+ 0, 0, 0, 0,
+ x, y, width + bwidth*2, height + bwidth *2);
}