Clear depth buffer, but only depth buffer for gears.

diff --git a/gears.c b/gears.c
index db79d4d..9722eef 100644 (file)
--- a/gears.c
+++ b/gears.c
@@ -174,6 +174,8 @@ gears_draw(struct gears *gears, GLfloat angle)
 {
        GLfloat view_rotx = 20.0, view_roty = 30.0, view_rotz = 0.0;
 
+       glClear(GL_DEPTH_BUFFER_BIT);
+
        glPushMatrix();
 
        glTranslatef(0.0, 0.0, -50);

diff --git a/window.c b/window.c
index 7db8c2c..3cc894f 100644 (file)
--- a/window.c
+++ b/window.c
@@ -154,6 +154,7 @@ draw_window(struct window *window)
                                                     window->config, window->name,
                                                     window->width, window->height,
                                                     window->stride, NULL);
+
        if (surface == NULL)
                die("failed to create surface\n");