[Piglit] [PATCH] arb_transform_feedback3: test another skip/next buffer combo

[Dave Airlie]

While developing virgl I found this combo wasn't tested by any
of the current tests, emit, skip, next buffer, emit.

Just add a test to this to exercise the codepath.

Signed-off-by: Dave Airlie <airlied at redhat.com>
---
 tests/all.py                                    |  2 +-
 tests/spec/ext_transform_feedback/output-type.c | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/tests/all.py b/tests/all.py
index 805361c..4631510 100644
--- a/tests/all.py
+++ b/tests/all.py
@@ -3389,7 +3389,7 @@ with profile.group_manager(
                   'gl_SkipComponents2', 'gl_SkipComponents3',
                   'gl_SkipComponents4',
                   'gl_NextBuffer-gl_SkipComponents1-gl_NextBuffer',
-                  'gl_NextBuffer-gl_NextBuffer', 'gl_SkipComponents1234']:
+                  'gl_NextBuffer-gl_NextBuffer', 'gl_SkipComponents1234', 'gl_SkipComponents1-gl_NextBuffer']:
         g(['ext_transform_feedback-output-type', param], param)
 
 with profile.group_manager(
diff --git a/tests/spec/ext_transform_feedback/output-type.c b/tests/spec/ext_transform_feedback/output-type.c
index d76c67d..5b6c625 100644
--- a/tests/spec/ext_transform_feedback/output-type.c
+++ b/tests/spec/ext_transform_feedback/output-type.c
@@ -1376,6 +1376,24 @@ struct test_desc {
 		true /* is transform_feedback3 */
 	},
 	{
+		"gl_SkipComponents1-gl_NextBuffer", /* name */
+
+		"#version 120\n" /* vs */
+		"varying float r[2];"
+		"void main() {"
+		"  gl_Position = ftransform();"
+		"  r = float[2](0.4, 0.5);"
+		"}",
+
+		4, /* num_varyings, varyings */
+		{"r[0]", "gl_SkipComponents1", "gl_NextBuffer", "r[1]"},
+
+		true, /* is_floating_point */
+		{2, 1}, /* num_elements, expected_float, expected_int */
+		{{0.4, DEFAULT_VALUE}, {0.5}}, {{0}},
+		true /* is transform_feedback3 */
+	},
+	{
 		"gl_NextBuffer-gl_SkipComponents1-gl_NextBuffer", /* name */
 
 		"#version 120\n" /* vs */
-- 
2.1.0