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compositor: check queryString success

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During a bring-up of a new backend, it would be nice to get a real error
message, when the EGL and GL contexts have not been properly set up.

Signed-off-by: Pekka Paalanen <ppaalanen@gmail.com>
This commit is contained in:
Pekka Paalanen
2012-04-12 14:45:35 +03:00
parent 52bfbaae14
commit 299e58d9f8
1 changed files with 10 additions and 0 deletions
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src/compositor.c
+10
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@@ -2380,6 +2380,11 @@ weston_compositor_init(struct weston_compositor *ec, struct wl_display *display)
(void *) eglGetProcAddress("eglUnbindWaylandDisplayWL"); (void *) eglGetProcAddress("eglUnbindWaylandDisplayWL");
extensions = (const char *) glGetString(GL_EXTENSIONS); extensions = (const char *) glGetString(GL_EXTENSIONS);
if (!extensions) {
fprintf(stderr, "Retrieving GL extension string failed.\n");
return -1;
}
if (!strstr(extensions, "GL_EXT_texture_format_BGRA8888")) { if (!strstr(extensions, "GL_EXT_texture_format_BGRA8888")) {
fprintf(stderr, fprintf(stderr,
"GL_EXT_texture_format_BGRA8888 not available\n"); "GL_EXT_texture_format_BGRA8888 not available\n");
@@ -2396,6 +2401,11 @@ weston_compositor_init(struct weston_compositor *ec, struct wl_display *display)
extensions = extensions =
(const char *) eglQueryString(ec->display, EGL_EXTENSIONS); (const char *) eglQueryString(ec->display, EGL_EXTENSIONS);
if (!extensions) {
fprintf(stderr, "Retrieving EGL extension string failed.\n");
return -1;
}
if (strstr(extensions, "EGL_WL_bind_wayland_display")) if (strstr(extensions, "EGL_WL_bind_wayland_display"))
ec->has_bind_display = 1; ec->has_bind_display = 1;
if (ec->has_bind_display) if (ec->has_bind_display)