Check for GL_EXT_texture_format_BGRA8888
diff --git a/compositor/compositor.c b/compositor/compositor.c
index 8659344..7261dc2 100644
--- a/compositor/compositor.c
+++ b/compositor/compositor.c
@@ -1398,6 +1398,7 @@
wlsc_compositor_init(struct wlsc_compositor *ec, struct wl_display *display)
{
struct wl_event_loop *loop;
+ const char *extensions;
ec->wl_display = display;
@@ -1419,6 +1420,13 @@
screenshooter_create(ec);
+ extensions = (const char *) glGetString(GL_EXTENSIONS);
+ if (!strstr(extensions, "GL_EXT_texture_format_BGRA8888")) {
+ fprintf(stderr,
+ "GL_EXT_texture_format_BGRA8888 not available\n");
+ return -1;
+ }
+
glGenFramebuffers(1, &ec->fbo);
glBindFramebuffer(GL_FRAMEBUFFER, ec->fbo);
glActiveTexture(GL_TEXTURE0);