GLES2 Xephyr is failing due to lack of glMapBuffer() with the read
bits set, and I decided to see if we can just switch everything to
glMapBufferRange(). I'm undecided, and it largely depends on whether
we find people are interested in using glamor for the windows X server.
Signed-off-by: Eric
Am 2014-03-06 18:00, schrieb Eric Anholt:
+/* We'd like to require GL_ARB_map_buffer_range or
OpenGL ES 3 or
+ * GL_OES_map_buffer_range, since it offers more information to
+ * the driver than plain old glMapBuffer() or glBufferSubData().
+ * It's been supported on Mesa on the
