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nir: Add ability to count emitted GS primitives.

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Add an option to nir_lower_gs_intrinsics which tells it to track
the number of emitted primitives, not just vertices. Additionally,
also make it per-stream.

Also rename the set_vertex_count intrinsic to
set_vertex_and_primitive_count.

Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6964>
This commit is contained in:
Timur Kristóf
2020-06-08 12:16:13 +02:00
parent 73dd86c421
commit 2be99012e9
9 changed files with 77 additions and 28 deletions
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src/intel/compiler/brw_nir.c
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@@ -692,7 +692,7 @@ brw_preprocess_nir(const struct brw_compiler *compiler, nir_shader *nir,
}
if (nir->info.stage == MESA_SHADER_GEOMETRY)
OPT(nir_lower_gs_intrinsics, false);
OPT(nir_lower_gs_intrinsics, 0);
/* See also brw_nir_trig_workarounds.py */
if (compiler->precise_trig &&