amd-fx@amd-fx:~$ cd piglit
amd-fx@amd-fx:~/piglit$  ./bin/ext_transform_feedback-api-errors bind_pipeline -auto
MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTIBS=4
Compile vertex shader
Setup transform feedback for 1 varyings in interleaved mode
Link program
Create 2nd program for the pipeline
Use pipeline
Prepare 1 buffers
BindBufferBase(buffer 0)
BeginTransformFeedback
Bind a new pipeline
Unexpected GL error: GL_NO_ERROR 0x0
(Error at /home/amd-fx/piglit/tests/spec/ext_transform_feedback/api-errors.c:405)
Expected GL error: GL_INVALID_OPERATION 0x502
PIGLIT: {'result': 'fail' }
amd-fx@amd-fx:~/piglit$  ./bin/ext_transform_feedback-api-errors useprogstage_active -auto
MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTIBS=4
Compile vertex shader
Setup transform feedback for 1 varyings in interleaved mode
Link program
Create 2nd program for the pipeline
Use pipeline
Prepare 1 buffers
BindBufferBase(buffer 0)
BeginTransformFeedback
Use new program stage
PIGLIT: {'result': 'pass' }
amd-fx@amd-fx:~/piglit$  ./bin/ext_transform_feedback-api-errors useprogstage_noactive -auto
MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTIBS=4
Compile vertex shader
Setup transform feedback for 1 varyings in interleaved mode
Link program
Create 2nd program for the pipeline
Use pipeline
Prepare 1 buffers
BindBufferBase(buffer 0)
BeginTransformFeedback
Use new program stage
PIGLIT: {'result': 'pass' }
amd-fx@amd-fx:~/piglit$