diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c
index 19cc410e6d3..d3844e3b00a 100644
--- a/src/mesa/main/fbobject.c
+++ b/src/mesa/main/fbobject.c
@@ -570,6 +570,11 @@ _mesa_BindRenderbufferEXT(GLenum target, GLuint renderbuffer)
    }
 
    FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+   /* The above doesn't fully flush the drivers in the way that a
+    * glFlush does, but that is required here:
+    */
+   ctx->Driver.Flush(ctx);
+
 
    if (renderbuffer) {
       newRb = _mesa_lookup_renderbuffer(ctx, renderbuffer);
@@ -1049,6 +1054,10 @@ _mesa_DeleteFramebuffersEXT(GLsizei n, const GLuint *framebuffers)
 
    ASSERT_OUTSIDE_BEGIN_END(ctx);
    FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+   /* The above doesn't fully flush the drivers in the way that a
+    * glFlush does, but that is required here:
+    */
+   ctx->Driver.Flush(ctx);
 
    for (i = 0; i < n; i++) {
       if (framebuffers[i] > 0) {
@@ -1264,6 +1273,10 @@ framebuffer_texture(GLuint dims, GLenum target, GLenum attachment,
    }
 
    FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+   /* The above doesn't fully flush the drivers in the way that a
+    * glFlush does, but that is required here:
+    */
+   ctx->Driver.Flush(ctx);
 
    _glthread_LOCK_MUTEX(fb->Mutex);
    if (texObj) {
@@ -1382,6 +1395,10 @@ _mesa_FramebufferRenderbufferEXT(GLenum target, GLenum attachment,
    }
 
    FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+   /* The above doesn't fully flush the drivers in the way that a
+    * glFlush does, but that is required here:
+    */
+   ctx->Driver.Flush(ctx);
 
    assert(ctx->Driver.FramebufferRenderbuffer);
    ctx->Driver.FramebufferRenderbuffer(ctx, fb, attachment, rb);
@@ -1445,6 +1462,10 @@ _mesa_GetFramebufferAttachmentParameterivEXT(GLenum target, GLenum attachment,
    }
 
    FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+   /* The above doesn't fully flush the drivers in the way that a
+    * glFlush does, but that is required here:
+    */
+   ctx->Driver.Flush(ctx);
 
    switch (pname) {
    case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT: