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radv: disable NGG in more situations with ESO on GFX10/GFX10.3

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NGG streamout isn't supported on GFX10/GFX10.3, so NGG GS must be
disabled when pre-rasterization stages are compiled separately because
it's not possible to know that when compiling VS/TES only.

Also GFX10/GFX10.3 needs to disable NGG when extreme geometry are used
with tessellation and we can't know the previous stage if the GS is
compiled separately.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27880>
This commit is contained in:
Samuel Pitoiset 2024-02-29 14:11:45 +01:00 • committed by Marge Bot
parent bffdd05a79
commit 62e6132284
1 changed files with 16 additions and 0 deletions
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16
src/amd/vulkan/radv_pipeline_graphics.c
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@ -2049,6 +2049,22 @@ radv_fill_shader_info_ngg(struct radv_device *device, struct radv_shader_stage *
else
stages[MESA_SHADER_GEOMETRY].info.is_ngg = stages[MESA_SHADER_VERTEX].info.is_ngg;
}
/* When pre-rasterization stages are compiled separately with shader objects, NGG GS needs to
* be disabled because if the next stage of VS/TES is GS and GS is unknown, it might use
* streamout but it's not possible to know that when compiling VS or TES only.
*/
if (stages[MESA_SHADER_VERTEX].nir && stages[MESA_SHADER_VERTEX].info.next_stage == MESA_SHADER_GEOMETRY &&
!stages[MESA_SHADER_GEOMETRY].nir) {
stages[MESA_SHADER_VERTEX].info.is_ngg = false;
} else if (stages[MESA_SHADER_TESS_EVAL].nir &&
stages[MESA_SHADER_TESS_EVAL].info.next_stage == MESA_SHADER_GEOMETRY &&
!stages[MESA_SHADER_GEOMETRY].nir) {
stages[MESA_SHADER_TESS_EVAL].info.is_ngg = false;
} else if (stages[MESA_SHADER_GEOMETRY].nir &&
(!stages[MESA_SHADER_VERTEX].nir && !stages[MESA_SHADER_TESS_EVAL].nir)) {
stages[MESA_SHADER_GEOMETRY].info.is_ngg = false;
}
}
}