Jonathan Marek
b76c6dcbc5
The previous version assumes tess level outputs will only be written once in the shader, however its not possible to guarantee that. It also assumes all invocations will write all the levels, which is also not guaranteed. This is required to fix the "tesselation" and "terraintessellation" demos with turnip. The comment about nir_lower_io_to_temporaries in lower_tess_ctrl_block is removed because nir_lower_io_to_temporaries specifically skips TESS_CTRL shaders so the comment doesn't make sense. The split load for tess levels workaround is removed, the new version only has scalar access unless if ever gets vectorized. This sets NIR_COMPACT_ARRAYS cap to avoid the glsl tess vec lowering with gallium. It seems this will also disable "LowerCombinedClipCullDistance", which I'm not sure was needed or not. Signed-off-by: Jonathan Marek <jonathan@marek.ca> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5744>
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