On Fri, May 26, 2017 at 04:30:04PM -0700, Jason Ekstrand wrote: > This patch series does a complete overhaul of the current resolve handling > framework inside the i916 OpenGL driver. For HiZ and MCS, the current > resolve code is ok but not optimal. For CCS, however, it's pretty bad. > I've been looking at the code for a week now and I still don't know how Ben > ever got it to do a partial resolve for his CCS modifiers series. So far > as I can tell, it's not capable of doing so. The new resolve system is > hopefully much easier to reason about. For users of the system, there are > fewer entry-points and depth and color are no longer separate. The guts of > the system are much more explicit and, thanks to the new isl_aux_state > enum, should be easier to understand. > > As of my last Jenkins run, the series is still failing 2 piglit tests on > Sandy Bridge and I have yet to do any benchmarking. However, I wanted to > send it out early so that I could get feedback on the structure of the > system as quickly as possible. Discussion of the structure can happen in > parallel with final tweaking. Personally, I'm fairly happy with it and I > think this looks like a good way to go but I'd like more eyes. > > The patch series itself is organized as follows > > * The first 13 patches are various cleanups which make later patches > simpler. They should be fairly benign. These can easily land on their > own as I think most of them are good clean-ups anyway. > > * Patch 14 adds the new isl_aux_state enum and the accompanying comment > > * Patch 15 adds the new interface for doing resolves. All of the > functions are just dummies which call the already existing functions. > > * Patches 16-26 convert everything over to using the new resolve > interface. I tried as hard as I could to not make any functional > changes while doing so. If you see any, they are probably bugs! > > * Patch 27 wholesale replaces the current color resolve scheme with a new > one based on isl_aux_state. It's a bit unfortunate that it all had to > happen in one go but it's not easy to switch resolve schemes slowly. > > * Patch 28 replaces the HiZ resolve framework. This one is not nearly as > drastic as patch 27 because the current HiZ framework is already pretty > good. > > * Patch 29 deletes the now unused intel_resolve_map struct > > * Patch 30 enables fast-clears for non-CCS_E capable surfaces. In > particular, this gives us fast-clears for sRGB. > > I'd appreciate it if the initial review focussed on patches 14, 15, and 27. > Those are where you see the new resolve system in action. > > This series is available here: > > https://cgit.freedesktop.org/~jekstrand/mesa/log/?h=review/i965-resolve-rework > > Happy Reviewing! > > --Jason Ekstrand > > Cc: Chad Versace <chadvers...@chromium.org> > Cc: Kenneth Graunke <kenn...@whitecape.org> > Cc: Nanley Chery <nanley.g.ch...@intel.com> > Cc: Topi Pohjolainen <topi.pohjolai...@intel.com> > > Jason Ekstrand (30): > i965: Mark depth surfaces as needing a HiZ resolve after blitting > i965/surface_state: Images can't handle CCS at all > intel/isl: Add a helper for determining if a color is 0/1 > i965/miptree: Store fast clear colors in an isl_color_value > i965/miptree: Clean up the depth resolve helpers a little > i965/miptree: Refactor intel_miptree_resolve_color > i965: Get rid of intel_renderbuffer_resolve_* > i965: Inline renderbuffer_att_set_needs_depth_resolve > i965/miptree: Move color resolve on map to intel_miptree_map > i965/blorp: Take an explicit fast clear op in resolve_color > i965/blorp: Refactor do_single_blorp_clear > i965/blorp: Move MCS allocation earlier for clears > i965: Combine render target resolve code
Patches 3-13: Reviewed-by: Topi Pohjolainen <topi.pohjolai...@intel.com> > intel/isl: Add an enum for describing auxiliary compression state > i965/miptree: Add new entrypoints for resolve management > i965: Use the new resolve function for several simple cases > i965: Finalize miptrees before prepare_texture > i965: Move texturing to the new resolve functions > i965: Move color rendering to the new resolve functions > i965: Remove an unneeded render_cache_set_check_flush > i965: Move framebuffer fetch to the new resolve functions > i965: Move images to the new resolve functions > i965: Move depth to the new resolve functions > i965: Move blorp to the new resolve functions > i965: Use the new get/set_aux_state functions for color clears > i965: Delete most of the old resolve interface > i965: Wholesale replace the color resolve tracking code > i965: Use the new tracking mechanism for HiZ > i965: Delete intel_resolve_map > i965: Enable non-CCS_E fast-clears on gen9+ > > src/intel/blorp/blorp_genX_exec.h | 2 +- > src/intel/isl/isl.c | 19 + > src/intel/isl/isl.h | 146 ++++ > src/intel/isl/isl_emit_depth_stencil.c | 19 + > src/mesa/drivers/dri/i965/Makefile.sources | 2 - > src/mesa/drivers/dri/i965/brw_blorp.c | 143 ++-- > src/mesa/drivers/dri/i965/brw_blorp.h | 3 +- > src/mesa/drivers/dri/i965/brw_clear.c | 30 +- > src/mesa/drivers/dri/i965/brw_context.c | 123 +-- > src/mesa/drivers/dri/i965/brw_context.h | 1 - > src/mesa/drivers/dri/i965/brw_draw.c | 51 +- > src/mesa/drivers/dri/i965/brw_meta_util.c | 56 +- > src/mesa/drivers/dri/i965/brw_meta_util.h | 7 +- > src/mesa/drivers/dri/i965/brw_misc_state.c | 23 +- > src/mesa/drivers/dri/i965/brw_state.h | 3 + > src/mesa/drivers/dri/i965/brw_wm_surface_state.c | 14 +- > src/mesa/drivers/dri/i965/gen6_depth_state.c | 7 +- > src/mesa/drivers/dri/i965/gen7_misc_state.c | 7 +- > src/mesa/drivers/dri/i965/gen8_depth_state.c | 3 +- > src/mesa/drivers/dri/i965/intel_blit.c | 12 +- > src/mesa/drivers/dri/i965/intel_fbo.c | 41 - > src/mesa/drivers/dri/i965/intel_fbo.h | 27 - > src/mesa/drivers/dri/i965/intel_mipmap_tree.c | 912 > ++++++++++++++++------- > src/mesa/drivers/dri/i965/intel_mipmap_tree.h | 247 +++--- > src/mesa/drivers/dri/i965/intel_pixel_bitmap.c | 2 +- > src/mesa/drivers/dri/i965/intel_pixel_read.c | 2 +- > src/mesa/drivers/dri/i965/intel_resolve_map.c | 97 --- > src/mesa/drivers/dri/i965/intel_resolve_map.h | 168 ----- > src/mesa/drivers/dri/i965/intel_tex_image.c | 7 +- > src/mesa/drivers/dri/i965/intel_tex_subimage.c | 7 +- > 30 files changed, 1139 insertions(+), 1042 deletions(-) > delete mode 100644 src/mesa/drivers/dri/i965/intel_resolve_map.c > delete mode 100644 src/mesa/drivers/dri/i965/intel_resolve_map.h > > Fun fact: While this series is technically +103 lines, the comment on > isl_aux_state by itself is 125 lines. > > -- > 2.5.0.400.gff86faf > > _______________________________________________ > mesa-dev mailing list > mesa-dev@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/mesa-dev _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev
