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Reviewed-by: Timothy Arceri <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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Right now, this just deduces when we can arbitrarily reorder SSBO and
image loads, matching the existing logic in radeonsi's TGSI->LLVM pass.
This approach can't handle some things that nir_opt_copy_prop_vars can,
but it can handle images, and with GCM it lets us hoist reads outside of
loops. We can also pass this information to LLVM which lets it do its
own optimizations on it.
This is GLSL only as I haven't tested it on Vulkan yet, and it would
probably need a few changes to work there.
Reviewed-by: Timothy Arceri <[email protected]>
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v2: handle atomics as well
make use of nir_rewrite_image_intrinsic
v3: remove call to nir_remove_dead_derefs
v4: (Timothy Arceri) dont actually call lowering yet
Signed-off-by: Karol Herbst <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]> (v3)
Reviewed-by: Marek Olšák <[email protected]>
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Reviewed-by: Caio Marcelo de Oliveira Filho <[email protected]>
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Signed-off-by: Rob Clark <[email protected]>
Acked-by: Rob Clark <[email protected]>
Acked-by: Bas Nieuwenhuizen <[email protected]>
Acked-by: Dave Airlie <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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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 <[email protected]>
Acked-by: Rob Clark <[email protected]>
Acked-by: Bas Nieuwenhuizen <[email protected]>
Acked-by: Dave Airlie <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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With this we should have no passes in src/compiler/nir with any
dependencies on headers from core GL Mesa.
Reviewed-by: Alejandro Piñeiro <[email protected]>
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