[PATCH weston 11/11] simple-damage: Add --use-buffer-damage flag
Derek Foreman
derekf at osg.samsung.com
Wed Nov 18 14:32:34 PST 2015
Add a new flag for testing damage in buffer co-ordinates
Signed-off-by: Derek Foreman <derekf at osg.samsung.com>
---
clients/simple-damage.c | 62 +++++++++++++++++++++++++++++++++++++------------
1 file changed, 47 insertions(+), 15 deletions(-)
diff --git a/clients/simple-damage.c b/clients/simple-damage.c
index 0551b9d..8929071 100644
--- a/clients/simple-damage.c
+++ b/clients/simple-damage.c
@@ -64,6 +64,7 @@ struct buffer {
enum window_flags {
WINDOW_FLAG_USE_VIEWPORT = 0x1,
WINDOW_FLAG_ROTATING_TRANSFORM = 0x2,
+ WINDOW_FLAG_USE_DAMAGE_BUFFER = 0x4,
};
struct window {
@@ -261,6 +262,14 @@ create_window(struct display *display, int width, int height,
exit(1);
}
+ if (display->compositor_version < 4 &&
+ (flags & WINDOW_FLAG_USE_DAMAGE_BUFFER)) {
+ fprintf(stderr, "wl_surface.damage_buffer unsupported in "
+ "wl_surface version %d\n",
+ display->compositor_version);
+ exit(1);
+ }
+
window = calloc(1, sizeof *window);
if (!window)
return NULL;
@@ -303,8 +312,12 @@ create_window(struct display *display, int width, int height,
}
/* Initialise damage to full surface, so the padding gets painted */
- wl_surface_damage(window->surface, 0, 0, INT32_MAX, INT32_MAX);
-
+ if (window->flags & WINDOW_FLAG_USE_DAMAGE_BUFFER) {
+ wl_surface_damage_buffer(window->surface, 0, 0,
+ INT32_MAX, INT32_MAX);
+ } else {
+ wl_surface_damage(window->surface, 0, 0, INT32_MAX, INT32_MAX);
+ }
return window;
}
@@ -567,12 +580,20 @@ redraw(void *data, struct wl_callback *callback, uint32_t time)
bwidth - 2 * bborder, bheight - 2 * bborder, 0x80000000);
/* Damage where the ball was */
- wl_surface_damage(window->surface,
- window->ball.x - window->ball.radius,
- window->ball.y - window->ball.radius,
- window->ball.radius * 2 + 1,
- window->ball.radius * 2 + 1);
-
+ if (window->flags & WINDOW_FLAG_USE_DAMAGE_BUFFER) {
+ window_get_transformed_ball(window, &bx, &by);
+ wl_surface_damage_buffer(window->surface,
+ bx - bradius + off_x,
+ by - bradius + off_y,
+ bradius * 2 + 1,
+ bradius * 2 + 1);
+ } else {
+ wl_surface_damage(window->surface,
+ window->ball.x - window->ball.radius,
+ window->ball.y - window->ball.radius,
+ window->ball.radius * 2 + 1,
+ window->ball.radius * 2 + 1);
+ }
window_advance_game(window, time);
window_get_transformed_ball(window, &bx, &by);
@@ -595,12 +616,19 @@ redraw(void *data, struct wl_callback *callback, uint32_t time)
}
/* Damage where the ball is now */
- wl_surface_damage(window->surface,
- window->ball.x - window->ball.radius,
- window->ball.y - window->ball.radius,
- window->ball.radius * 2 + 1,
- window->ball.radius * 2 + 1);
-
+ if (window->flags & WINDOW_FLAG_USE_DAMAGE_BUFFER) {
+ wl_surface_damage_buffer(window->surface,
+ bx - bradius + off_x,
+ by - bradius + off_y,
+ bradius * 2 + 1,
+ bradius * 2 + 1);
+ } else {
+ wl_surface_damage(window->surface,
+ window->ball.x - window->ball.radius,
+ window->ball.y - window->ball.radius,
+ window->ball.radius * 2 + 1,
+ window->ball.radius * 2 + 1);
+ }
wl_surface_attach(window->surface, buffer->buffer, 0, 0);
if (window->display->compositor_version >= 2 &&
@@ -787,6 +815,7 @@ print_usage(int retval)
" --transform=TRANSFORM\tTransform for the surface\n"
" --rotating-transform\tUse a different buffer_transform for each frame\n"
" --use-viewport\tUse wl_viewport\n"
+ " --use-damage-buffer\tUse damage_buffer to post damage\n"
);
exit(retval);
@@ -837,7 +866,7 @@ main(int argc, char **argv)
strcmp(argv[i], "-h") == 0) {
print_usage(0);
} else if (sscanf(argv[i], "--version=%d", &version) > 0) {
- if (version < 1 || version > 3) {
+ if (version < 1 || version > 4) {
fprintf(stderr, "Unsupported wl_surface version: %d\n",
version);
return 1;
@@ -861,6 +890,9 @@ main(int argc, char **argv)
} else if (strcmp(argv[i], "--use-viewport") == 0) {
flags |= WINDOW_FLAG_USE_VIEWPORT;
continue;
+ } else if (strcmp(argv[i], "--use-damage-buffer") == 0) {
+ flags |= WINDOW_FLAG_USE_DAMAGE_BUFFER;
+ continue;
} else {
printf("Invalid option: %s\n", argv[i]);
print_usage(255);
--
2.6.2
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