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spirv: add vtn_emit_make_{visible,available}_barrier helpers

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Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6090>
This commit is contained in:
Rhys Perry
2020-08-18 14:45:46 +01:00
committed by Marge Bot
parent b85c38a86f
commit e01d1a9f16
1 changed files with 27 additions and 14 deletions
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41
src/compiler/spirv/vtn_variables.c
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@@ -2500,6 +2500,30 @@ vtn_mode_to_memory_semantics(enum vtn_variable_mode mode)
}
}
static void
vtn_emit_make_visible_barrier(struct vtn_builder *b, SpvMemoryAccessMask access,
SpvScope scope, enum vtn_variable_mode mode)
{
if (!(access & SpvMemoryAccessMakePointerVisibleMask))
return;
vtn_emit_memory_barrier(b, scope, SpvMemorySemanticsMakeVisibleMask |
SpvMemorySemanticsAcquireMask |
vtn_mode_to_memory_semantics(mode));
}
static void
vtn_emit_make_available_barrier(struct vtn_builder *b, SpvMemoryAccessMask access,
SpvScope scope, enum vtn_variable_mode mode)
{
if (!(access & SpvMemoryAccessMakePointerAvailableMask))
return;
vtn_emit_memory_barrier(b, scope, SpvMemorySemanticsMakeAvailableMask |
SpvMemorySemanticsReleaseMask |
vtn_mode_to_memory_semantics(mode));
}
void
vtn_handle_variables(struct vtn_builder *b, SpvOp opcode,
const uint32_t *w, unsigned count)
@@ -2617,13 +2641,8 @@ vtn_handle_variables(struct vtn_builder *b, SpvOp opcode,
SpvMemoryAccessMask access;
SpvScope scope;
vtn_get_mem_operands(b, w, count, &idx, &access, &alignment, NULL, &scope);
if (access & SpvMemoryAccessMakePointerVisibleMask) {
SpvMemorySemanticsMask semantics =
SpvMemorySemanticsMakeVisibleMask |
SpvMemorySemanticsAcquireMask |
vtn_mode_to_memory_semantics(src->mode);
vtn_emit_memory_barrier(b, scope, semantics);
}
vtn_emit_make_visible_barrier(b, access, scope, src->mode);
vtn_push_ssa_value(b, w[2], vtn_variable_load(b, src));
break;
@@ -2667,13 +2686,7 @@ vtn_handle_variables(struct vtn_builder *b, SpvOp opcode,
struct vtn_ssa_value *src = vtn_ssa_value(b, w[2]);
vtn_variable_store(b, src, dest);
if (access & SpvMemoryAccessMakePointerAvailableMask) {
SpvMemorySemanticsMask semantics =
SpvMemorySemanticsMakeAvailableMask |
SpvMemorySemanticsReleaseMask |
vtn_mode_to_memory_semantics(dest->mode);
vtn_emit_memory_barrier(b, scope, semantics);
}
vtn_emit_make_available_barrier(b, access, scope, dest->mode);
break;
}