On 03/31/2011 09:38 PM, Eric Anholt wrote:
On Thu, 31 Mar 2011 14:46:32 +0100, jfons...@vmware.com wrote:
+/* Test whether out-of-bounds vertex buffer object cause termination.
+ *
+ * Note that the original ARB_vertex_buffer_object extension explicitly states
+ * program termination is allowed when out-of-bounds vertex buffer object
+ * fetches occur. The ARB_robustness extension does provides an enbale to
+ * guarantee that out-of-bounds buffer object accesses by the GPU will have
+ * deterministic behavior and preclude application instability or termination
+ * due to an incorrect buffer access. But regardless of ARB_robustness
+ * extension support it is a good idea not to crash. For example, viewperf
+ * doesn't properly detect NV_primitive_restart and emits 0xffffffff indices
+ * which can result in crashes.
+ *
+ * TODO:
+ * - test out-of-bound index buffer object access
+ * - test more vertex/element formats
+ * - test non-aligned offsets
+ * - provide a command line option to actually enable ARB_robustness
+ */
Instead of a single draw-robustness test to (eventually) test all these
things, a draw-robustness-* collection of tests for each would be way
more useful.
Sounds good. Will do.
Jose
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