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nir/lower_samplers: split out _legacy version for deref chains

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To simplify the transition, and make things bisectable, split out a
legacy copy or lower_samplers.  This way the i965 and gallium drivers
can independently switch over to deref instructions.

Since the lower_samplers_as_deref pass is only used by gallium drivers,
it can be converted in lock-step with moving the lower_deref_instrs
pass, and so does not need a corresponding _legacy clone.

This legacy pass will be removed in a future commit.

Signed-off-by: Rob Clark <robdclark@gmail.com>
Acked-by: Rob Clark <robdclark@gmail.com>
Acked-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Acked-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Rob Clark
2018-05-15 18:27:18 -04:00
committed by Jason Ekstrand
parent 3891c1906f
commit a6ebbbc594
6 changed files with 169 additions and 2 deletions
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1
src/compiler/glsl/meson.build
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@@ -68,6 +68,7 @@ files_libglsl = files(
'generate_ir.cpp',
'gl_nir_lower_atomics.c',
'gl_nir_lower_samplers.c',
'gl_nir_lower_samplers_legacy.c',
'gl_nir_lower_samplers_as_deref.c',
'gl_nir_link_uniform_initializers.c',
'gl_nir_link_uniforms.c',