Whoops. Sorry, it appears I did not delete this patch before using git send-email on the gbm series.
Please disregard this email. -Jordan On Mon, Aug 13, 2012 at 5:11 PM, Jordan Justen <jordan.l.jus...@intel.com> wrote: > Signed-off-by: Jordan Justen <jordan.l.jus...@intel.com> > --- > examples/gl_basic.c | 28 +++++++++++++++++++++++++++- > 1 file changed, 27 insertions(+), 1 deletion(-) > > diff --git a/examples/gl_basic.c b/examples/gl_basic.c > index 628c25d..800756a 100644 > --- a/examples/gl_basic.c > +++ b/examples/gl_basic.c > @@ -91,6 +91,14 @@ error_waffle(void) > } > > static void > +gl_basic_error(const char *str) > +{ > + fflush(stdout); > + fprintf(stderr, "gl_basic: error: %s\n", str); > + exit(EXIT_FAILURE); > +} > + > +static void > error_get_gl_symbol(const char *name) > { > fflush(stdout); > @@ -244,8 +252,9 @@ parse_args(int argc, char *argv[], struct options *opts) > static bool > draw(struct waffle_window *window) > { > - int i; > + int i, j; > bool ok; > + unsigned char *colors; > > static const struct timespec sleep_time = { > // 0.5 sec > @@ -262,6 +271,23 @@ draw(struct waffle_window *window) > } > > glClear(GL_COLOR_BUFFER_BIT); > + > + colors = calloc(WINDOW_WIDTH * WINDOW_HEIGHT * 4, sizeof(*colors)); > + glReadPixels(0, 0, > + WINDOW_WIDTH, WINDOW_HEIGHT, > + GL_RGBA, GL_UNSIGNED_BYTE, > + colors); > + for (j = 0; j < WINDOW_WIDTH * WINDOW_HEIGHT * 4; j += 4) { > + if ((colors[j] != (i == 0 ? 0xff : 0)) || > + (colors[j+1] != (i == 1 ? 0xff : 0)) || > + (colors[j+2] != (i == 2 ? 0xff : 0)) || > + (colors[j+3] != 0xff)) { > + free(colors); > + gl_basic_error("glReadPixels returned unexpected result"); > + } > + } > + free(colors); > + > ok = waffle_window_swap_buffers(window); > if (!ok) > return false; > -- > 1.7.9.5 > > _______________________________________________ > waffle mailing list > waffle@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/waffle _______________________________________________ waffle mailing list waffle@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/waffle