diff options
Diffstat (limited to 'src/gallium/auxiliary/hud')
| -rw-r--r-- | src/gallium/auxiliary/hud/hud_context.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/hud/hud_context.c b/src/gallium/auxiliary/hud/hud_context.c index ffe30b8fa79..a055480646d 100644 --- a/src/gallium/auxiliary/hud/hud_context.c +++ b/src/gallium/auxiliary/hud/hud_context.c @@ -33,6 +33,7 @@ * Set GALLIUM_HUD=help for more info. */ +#include <signal.h> #include <stdio.h> #include "hud/hud_context.h" @@ -51,6 +52,8 @@ #include "tgsi/tgsi_text.h" #include "tgsi/tgsi_dump.h" +/* Control the visibility of all HUD contexts */ +static boolean huds_visible = TRUE; struct hud_context { struct pipe_context *pipe; @@ -95,6 +98,11 @@ struct hud_context { } text, bg, whitelines; }; +static void +signal_visible_handler(int sig, siginfo_t *siginfo, void *context) +{ + huds_visible = !huds_visible; +} static void hud_draw_colored_prims(struct hud_context *hud, unsigned prim, @@ -441,6 +449,9 @@ hud_draw(struct hud_context *hud, struct pipe_resource *tex) struct hud_pane *pane; struct hud_graph *gr; + if (!huds_visible) + return; + hud->fb_width = tex->width0; hud->fb_height = tex->height0; hud->constants.two_div_fb_width = 2.0f / hud->fb_width; @@ -1125,6 +1136,10 @@ hud_create(struct pipe_context *pipe, struct cso_context *cso) struct pipe_sampler_view view_templ; unsigned i; const char *env = debug_get_option("GALLIUM_HUD", NULL); + unsigned signo = debug_get_num_option("GALLIUM_HUD_TOGGLE_SIGNAL", 0); + static boolean sig_handled = FALSE; + struct sigaction action = {}; + huds_visible = debug_get_bool_option("GALLIUM_HUD_VISIBLE", TRUE); if (!env || !*env) return NULL; @@ -1267,6 +1282,20 @@ hud_create(struct pipe_context *pipe, struct cso_context *cso) LIST_INITHEAD(&hud->pane_list); + /* setup sig handler once for all hud contexts */ + if (!sig_handled && signo != 0) { + action.sa_sigaction = &signal_visible_handler; + action.sa_flags = SA_SIGINFO; + + if (signo >= NSIG) + fprintf(stderr, "gallium_hud: invalid signal %u\n", signo); + else if (sigaction(signo, &action, NULL) < 0) + fprintf(stderr, "gallium_hud: unable to set handler for signal %u\n", signo); + fflush(stderr); + + sig_handled = TRUE; + } + hud_parse_env_var(hud, env); return hud; } |