simple-egl: Set opaque region when running opaque
diff --git a/clients/simple-egl.c b/clients/simple-egl.c
index 51f810f..ef2f9b2 100644
--- a/clients/simple-egl.c
+++ b/clients/simple-egl.c
@@ -77,7 +77,7 @@
struct wl_shell_surface *shell_surface;
EGLSurface egl_surface;
struct wl_callback *callback;
- int fullscreen, configured;
+ int fullscreen, configured, opaque;
};
static const char *vert_shader_text =
@@ -100,7 +100,7 @@
static int running = 1;
static void
-init_egl(struct display *display, EGLint alpha_size)
+init_egl(struct display *display, int opaque)
{
static const EGLint context_attribs[] = {
EGL_CONTEXT_CLIENT_VERSION, 2,
@@ -112,7 +112,7 @@
EGL_RED_SIZE, 1,
EGL_GREEN_SIZE, 1,
EGL_BLUE_SIZE, 1,
- EGL_ALPHA_SIZE, alpha_size,
+ EGL_ALPHA_SIZE, 1,
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_NONE
};
@@ -120,6 +120,9 @@
EGLint major, minor, n;
EGLBoolean ret;
+ if (opaque)
+ config_attribs[9] = 0;
+
display->egl.dpy = eglGetDisplay(display->display);
assert(display->egl.dpy);
@@ -358,6 +361,7 @@
};
static const int32_t speed_div = 5;
static uint32_t start_time = 0;
+ struct wl_region *region;
if (callback)
wl_callback_destroy(callback);
@@ -394,6 +398,15 @@
eglSwapBuffers(window->display->egl.dpy, window->egl_surface);
+ if (window->opaque) {
+ region = wl_compositor_create_region(window->display->compositor);
+ wl_region_add(region, 0, 0,
+ window->window_size.width,
+ window->window_size.height);
+ wl_surface_set_opaque_region(window->surface, region);
+ wl_region_destroy(region);
+ }
+
window->callback = wl_surface_frame(window->surface);
wl_callback_add_listener(window->callback, &frame_listener, window);
}
@@ -565,14 +578,13 @@
struct sigaction sigint;
struct display display = { 0 };
struct window window = { 0 };
- int alpha_size, i;
+ int i;
window.display = &display;
display.window = &window;
window.window_size.width = 250;
window.window_size.height = 250;
- alpha_size = 1;
for (i = 1; i < argc; i++) {
if (strcmp("-f", argv[i]) == 0)
window.fullscreen = 1;
@@ -590,9 +602,9 @@
wl_display_iterate(display.display, WL_DISPLAY_READABLE);
if (window.fullscreen)
- alpha_size = 0;
+ window.opaque = 1;
- init_egl(&display, alpha_size);
+ init_egl(&display, window.opaque);
create_surface(&window);
init_gl(&window);