I started drafting tests for the new transform feedback mechanisms. So far I have exercised the use of interleaved and separate modes together (previously only one of the modes could be used at a time). I first wrote a test using fixed set of varyings and two buffers. Then I generalized it for more buffers asking the driver for limits. Both of course are not needed and I can merge them into a setup that people find useful. The last of the three types of test also uses multiple buffers but also multiple vertex streams - one per buffer and all originating from the same geometry shader invocation.
These tests pass on 4.3.0 NVIDIA 319.32 binary driver. Any feedback is more than welcome. For example, is it better having the tests simpler and using fixed amount of streams, buffers and varyings? I had in mind playing with instanced shaders next. Once I have tests for all the new functionality I thought looking at the corner and error cases - I have a feeling there are going to be quite a few such tests. Topi Pohjolainen (4): util: buffer object probe tests/spec: ARB_transform_feedback3 interleaved in two buffers tests/spec: ARB_transform_feedback3 interleaved in separate buffers tests/spec: ARB_transform_feedback3 interleaved in multiple streams tests/all.tests | 6 + tests/spec/CMakeLists.txt | 1 + .../spec/arb_transform_feedback3/CMakeLists.gl.txt | 15 + tests/spec/arb_transform_feedback3/CMakeLists.txt | 1 + .../ext_interleaved_single_gs_many_streams.c | 290 ++++++++++++++++++ .../ext_interleaved_single_stream_many_buffers.c | 334 +++++++++++++++++++++ .../ext_interleaved_two_bufs.c | 223 ++++++++++++++ tests/spec/arb_transform_feedback3/xfb3_common.h | 48 +++ tests/spec/ext_transform_feedback/separate.c | 30 +- tests/util/piglit-util-gl-common.h | 4 + tests/util/piglit-util-gl.c | 24 ++ 11 files changed, 954 insertions(+), 22 deletions(-) create mode 100644 tests/spec/arb_transform_feedback3/CMakeLists.gl.txt create mode 100644 tests/spec/arb_transform_feedback3/CMakeLists.txt create mode 100644 tests/spec/arb_transform_feedback3/ext_interleaved_single_gs_many_streams.c create mode 100644 tests/spec/arb_transform_feedback3/ext_interleaved_single_stream_many_buffers.c create mode 100644 tests/spec/arb_transform_feedback3/ext_interleaved_two_bufs.c create mode 100644 tests/spec/arb_transform_feedback3/xfb3_common.h -- 1.8.3.1 _______________________________________________ Piglit mailing list Piglit@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/piglit