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spirv/nir: handle memory access qualifiers for SSBO loads/stores

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v2: - change how the access qualifiers are accumulated
v3: - duplicate members in struct_member_decoration_cb()
    - handle access qualifiers on variables
    - remove access qualifiers handling in _vtn_variable_load_store()
    - fix setting access qualifiers on type->array_element

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net
This commit is contained in:
Samuel Pitoiset
2018-10-10 10:42:19 +02:00
parent 26a10e3844
commit 4b74f05f6b
4 changed files with 78 additions and 15 deletions
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4
src/compiler/nir/nir_intrinsics.py
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@@ -565,7 +565,7 @@ intrinsic("load_interpolated_input", src_comp=[2, 1], dest_comp=0,
indices=[BASE, COMPONENT], flags=[CAN_ELIMINATE, CAN_REORDER])
# src[] = { buffer_index, offset }. No const_index
load("ssbo", 2, flags=[CAN_ELIMINATE])
load("ssbo", 2, flags=[CAN_ELIMINATE], indices=[ACCESS])
# src[] = { offset }. const_index[] = { base, component }
load("output", 1, [BASE, COMPONENT], flags=[CAN_ELIMINATE])
# src[] = { vertex, offset }. const_index[] = { base }
@@ -591,6 +591,6 @@ store("output", 2, [BASE, WRMASK, COMPONENT])
# const_index[] = { base, write_mask, component }
store("per_vertex_output", 3, [BASE, WRMASK, COMPONENT])
# src[] = { value, block_index, offset }. const_index[] = { write_mask }
store("ssbo", 3, [WRMASK])
store("ssbo", 3, [WRMASK, ACCESS])
# src[] = { value, offset }. const_index[] = { base, write_mask }
store("shared", 2, [BASE, WRMASK])