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author | Jason Ekstrand <jason@jlekstrand.net> | 2021-11-19 15:30:08 -0600 |
---|---|---|
committer | Marge Bot <emma+marge@anholt.net> | 2023-02-06 09:12:17 +0000 |
commit | 991d54610215786fd4937db24391e7cd5b567919 (patch) | |
tree | b63f790c0f72b7574586d69b4aa82fc51ddd5c04 | |
parent | 71a6b53192096904cd9726d9cf86b850d6c1155b (diff) |
intel/compiler: Document wm_prog_key::persample_interp
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21094>
-rw-r--r-- | src/intel/compiler/brw_compiler.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/intel/compiler/brw_compiler.h b/src/intel/compiler/brw_compiler.h index b59b84e558d..06fea096d75 100644 --- a/src/intel/compiler/brw_compiler.h +++ b/src/intel/compiler/brw_compiler.h @@ -482,7 +482,17 @@ struct brw_wm_prog_key { bool alpha_test_replicate_alpha:1; bool alpha_to_coverage:1; bool clamp_fragment_color:1; + + /** Whether or inputs are interpolated at sample rate by default + * + * This corresponds to the sample shading API bit in Vulkan or OpenGL which + * controls how inputs with no interpolation qualifier are interpolated. + * This is distinct from the way that using gl_SampleID or similar requires + * us to run per-sample. Even when running per-sample due to gl_SampleID, + * we may still interpolate unqualified inputs at the pixel center. + */ bool persample_interp:1; + bool multisample_fbo:1; enum brw_wm_aa_enable line_aa:2; bool force_dual_color_blend:1; |