50283b9573
This makes all the defines and boiler plate code use the generated source include system. This makes source hierarchy more understandable. Pull Request: https://projects.blender.org/blender/blender/pulls/146289
36 lines
1.1 KiB
Plaintext
36 lines
1.1 KiB
Plaintext
/* SPDX-FileCopyrightText: 2022 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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using namespace metal;
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/** Shader atomics:
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* In order to emulate GLSL-style atomic operations, wherein variables can be used within atomic
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* operations, even if they are not explicitly declared atomic, we can cast the pointer to atomic,
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* to ensure that the load instruction follows atomic_load/store idioms.
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*
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* NOTE: We cannot hoist the address space into the template declaration, so these must be declared
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* for each relevant address space. */
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#define ATOMIC_OP_EX(qualifier, glsl_op, mtl_op) \
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template<typename T> T atomic##glsl_op(qualifier T &mem, T data) \
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{ \
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return atomic_##mtl_op##_explicit((qualifier _atomic<T> *)&mem, data, memory_order_relaxed); \
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}
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#define ATOMIC_OP(glsl_op, mtl_op) \
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ATOMIC_OP_EX(threadgroup, glsl_op, mtl_op) \
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ATOMIC_OP_EX(device, glsl_op, mtl_op)
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ATOMIC_OP(Max, fetch_max)
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ATOMIC_OP(Min, fetch_min)
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ATOMIC_OP(Add, fetch_add)
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ATOMIC_OP(Sub, fetch_sub)
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ATOMIC_OP(And, fetch_and)
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ATOMIC_OP(Or, fetch_or)
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ATOMIC_OP(Xor, fetch_xor)
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ATOMIC_OP(Exchange, exchange)
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#undef ATOMIC_OP
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