diff options
| -rw-r--r-- | examples/cogl-x11-tfp.c | 36 |
1 files changed, 32 insertions, 4 deletions
diff --git a/examples/cogl-x11-tfp.c b/examples/cogl-x11-tfp.c index aaa449f9..e8223b56 100644 --- a/examples/cogl-x11-tfp.c +++ b/examples/cogl-x11-tfp.c @@ -27,12 +27,13 @@ static pid_t gears_pid = 0; static void -spawn_gears (void) +spawn_gears (CoglBool stereo) { pid_t pid = fork(); if (pid == 0) execlp ("glxgears", "glxgears", + stereo ? "-stereo" : NULL, NULL); gears_pid = pid; @@ -143,6 +144,7 @@ main (int argc, char **argv) Atom atom_wm_delete_window; int screen; CoglBool gears = FALSE; + CoglBool stereo = FALSE; Window tfp_xwin = None; Pixmap pixmap; CoglTexturePixmapX11 *tfp; @@ -154,9 +156,11 @@ main (int argc, char **argv) { if (strcmp (argv[i], "--gears") == 0) gears = TRUE; + else if (strcmp (argv[i], "--stereo") == 0) + stereo = TRUE; else { - g_printerr ("Usage: cogl-x11-tfp [--gears]\n"); + g_printerr ("Usage: cogl-x11-tfp [--gears] [--stereo]\n"); return 1; } } @@ -188,7 +192,7 @@ main (int argc, char **argv) if (gears) { - spawn_gears (); + spawn_gears (stereo); while (TRUE) { tfp_xwin = find_gears_toplevel (xdpy, None); @@ -218,6 +222,8 @@ main (int argc, char **argv) * having an impedance miss-match between the format of windows and the * format the display pipeline expects. */ onscreen_template = cogl_onscreen_template_new (chain); + if (stereo) + cogl_onscreen_template_set_stereo_enabled (onscreen_template, TRUE); cogl_object_unref (chain); /* Conceptually setup a display pipeline */ @@ -318,7 +324,17 @@ main (int argc, char **argv) pixmap = XCompositeNameWindowPixmap (xdpy, tfp_xwin); - tfp = cogl_texture_pixmap_x11_new (ctx, pixmap, TRUE, &error); + if (stereo) + { + tfp = cogl_texture_pixmap_x11_new_left (ctx, pixmap, TRUE, &error); + if (tfp) + right_texture = cogl_texture_pixmap_x11_new_right (tfp); + } + else + { + tfp = cogl_texture_pixmap_x11_new (ctx, pixmap, TRUE, &error); + } + if (!tfp) { fprintf (stderr, "Failed to create CoglTexturePixmapX11: %s", @@ -367,10 +383,22 @@ main (int argc, char **argv) } cogl_framebuffer_clear4f (fb, COGL_BUFFER_BIT_COLOR, 0, 0, 0, 1); + pipeline = cogl_pipeline_new (ctx); + + cogl_framebuffer_set_stereo_mode (onscreen, COGL_STEREO_LEFT); cogl_pipeline_set_layer_texture (pipeline, 0, tfp); cogl_framebuffer_draw_rectangle (fb, pipeline, -0.8, 0.8, 0.8, -0.8); + + if (stereo) + { + cogl_framebuffer_set_stereo_mode (onscreen, COGL_STEREO_RIGHT); + cogl_pipeline_set_layer_texture (pipeline, 0, right_texture); + cogl_framebuffer_draw_rectangle (fb, pipeline, -0.8, 0.8, 0.8, -0.8); + } + cogl_object_unref (pipeline); + cogl_onscreen_swap_buffers (onscreen); } |