[Piglit] [PATCH] Test interaction of primitive restart and transform feedback.

[Eric Anholt]

Paul Berry <stereotype441 at gmail.com> writes:
> +	switch (test_mode) {
> +	case TEST_MODE_GENERATED:
> +		glBeginQuery(GL_PRIMITIVES_GENERATED, query);
> +		glBeginTransformFeedback(GL_TRIANGLES);
> +		glDrawElements(GL_TRIANGLE_STRIP, 9, GL_UNSIGNED_BYTE, NULL);
> +		glEndTransformFeedback();
> +		glEndQuery(GL_PRIMITIVES_GENERATED);
> +		pass = check_query_result(query, 4);
> +		break;
> +	case TEST_MODE_WRITTEN:
> +		glBeginQuery(GL_PRIMITIVES_GENERATED, query);
> +		glBeginTransformFeedback(GL_TRIANGLES);
> +		glDrawElements(GL_TRIANGLE_STRIP, 9, GL_UNSIGNED_BYTE, NULL);
> +		glEndTransformFeedback();
> +		glEndQuery(GL_PRIMITIVES_GENERATED);
> +		pass = check_query_result(query, 4);
> +		break;
> +	case TEST_MODE_FLUSH:
> +		glBeginTransformFeedback(GL_TRIANGLES);
> +		glDrawElements(GL_TRIANGLE_STRIP, 9, GL_UNSIGNED_BYTE, NULL);
> +		glFlush();
> +		glDrawElements(GL_TRIANGLE_STRIP, 4, GL_UNSIGNED_BYTE,
> +			       (void *) (9 * sizeof(GLubyte)));
> +		glEndTransformFeedback();
> +		pass = check_xfb_result();
> +		break;

I'd like to see this path also check_query_result -- I think we've got a
better way to change the driver, but I worry about messing up the
queries.  Other than that, looks good to me.

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