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r600/sfn: Only run 64 bit ops lowering passes when really needed

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If the shader doesn't do 64 bit then there is no need to run these
lowering passes.

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18983>
This commit is contained in:
Gert Wollny
2022-10-05 09:50:02 +02:00
parent ed3caf4866
commit 82b22e7fb9
1 changed files with 9 additions and 5 deletions
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14
src/gallium/drivers/r600/sfn/sfn_nir.cpp
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@@ -759,17 +759,21 @@ int r600_shader_from_nir(struct r600_context *rctx,
NIR_PASS_V(sh, r600::r600_nir_lower_tex_to_backend, rctx->b.gfx_level);
NIR_PASS_V(sh, r600::r600_nir_split_64bit_io);
NIR_PASS_V(sh, r600::r600_split_64bit_alu_and_phi);
NIR_PASS_V(sh, nir_split_64bit_vec3_and_vec4);
NIR_PASS_V(sh, nir_lower_int64);
if ((sh->info.bit_sizes_float | sh->info.bit_sizes_int) & 64) {
NIR_PASS_V(sh, r600::r600_nir_split_64bit_io);
NIR_PASS_V(sh, r600::r600_split_64bit_alu_and_phi);
NIR_PASS_V(sh, nir_split_64bit_vec3_and_vec4);
NIR_PASS_V(sh, nir_lower_int64);
}
NIR_PASS_V(sh, nir_lower_ubo_vec4);
if (lower_64bit)
NIR_PASS_V(sh, r600::r600_nir_64_to_vec2);
NIR_PASS_V(sh, r600::r600_split_64bit_uniforms_and_ubo);
if ((sh->info.bit_sizes_float | sh->info.bit_sizes_int) & 64)
NIR_PASS_V(sh, r600::r600_split_64bit_uniforms_and_ubo);
/* Lower to scalar to let some optimization work out better */
while(optimize_once(sh));