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https://github.com/KhronosGroup/SPIRV-Tools
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85 lines
3.2 KiB
C
85 lines
3.2 KiB
C
// Copyright (c) 2015 The Khronos Group Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and/or associated documentation files (the
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// "Materials"), to deal in the Materials without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Materials, and to
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// permit persons to whom the Materials are furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Materials.
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//
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// MODIFICATIONS TO THIS FILE MAY MEAN IT NO LONGER ACCURATELY REFLECTS
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// KHRONOS STANDARDS. THE UNMODIFIED, NORMATIVE VERSIONS OF KHRONOS
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// SPECIFICATIONS AND HEADER INFORMATION ARE LOCATED AT
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// https://www.khronos.org/registry/
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//
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// THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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// MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
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#ifndef LIBSPIRV_SPIRV_CONSTANT_H_
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#define LIBSPIRV_SPIRV_CONSTANT_H_
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#include "libspirv/libspirv.h"
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// Header indices
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#define SPV_INDEX_MAGIC_NUMBER 0u
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#define SPV_INDEX_VERSION_NUMBER 1u
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#define SPV_INDEX_GENERATOR_NUMBER 2u
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#define SPV_INDEX_BOUND 3u
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#define SPV_INDEX_SCHEMA 4u
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#define SPV_INDEX_INSTRUCTION 5u
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// Universal limits
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// SPIR-V 1.0 limits
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#define SPV_LIMIT_INSTRUCTION_WORD_COUNT_MAX 0xffff
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#define SPV_LIMIT_LITERAL_STRING_UTF8_CHARS_MAX 0xffff
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// A single Unicode character in UTF-8 encoding can take
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// up 4 bytes.
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#define SPV_LIMIT_LITERAL_STRING_BYTES_MAX \
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(SPV_LIMIT_LITERAL_STRING_UTF8_CHARS_MAX * 4)
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// NOTE: These are set to the minimum maximum values
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// TODO(dneto): Check these.
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// libspirv limits.
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#define SPV_LIMIT_RESULT_ID_BOUND 0x00400000
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#define SPV_LIMIT_CONTROL_FLOW_NEST_DEPTH 0x00000400
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#define SPV_LIMIT_GLOBAL_VARIABLES_MAX 0x00010000
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#define SPV_LIMIT_LOCAL_VARIABLES_MAX 0x00080000
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// TODO: Decorations per target ID max, depends on decoration table size
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#define SPV_LIMIT_EXECUTION_MODE_PER_ENTRY_POINT_MAX 0x00000100
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#define SPV_LIMIT_INDICIES_MAX_ACCESS_CHAIN_COMPOSITE_MAX 0x00000100
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#define SPV_LIMIT_FUNCTION_PARAMETERS_PER_FUNCTION_DECL 0x00000100
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#define SPV_LIMIT_FUNCTION_CALL_ARGUMENTS_MAX 0x00000100
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#define SPV_LIMIT_EXT_FUNCTION_CALL_ARGUMENTS_MAX 0x00000100
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#define SPV_LIMIT_SWITCH_LITERAL_LABEL_PAIRS_MAX 0x00004000
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#define SPV_LIMIT_STRUCT_MEMBERS_MAX 0x0000400
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#define SPV_LIMIT_STRUCT_NESTING_DEPTH_MAX 0x00000100
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// Enumerations
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// Values mapping to registered vendors. See the registry at
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// https://www.khronos.org/registry/spir-v/api/spir-v.xml
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typedef enum spv_generator_t {
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SPV_GENERATOR_KHRONOS = 0,
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SPV_GENERATOR_LUNARG = 1,
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SPV_GENERATOR_VALVE = 2,
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SPV_GENERATOR_CODEPLAY = 3,
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SPV_GENERATOR_NVIDIA = 4,
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SPV_GENERATOR_ARM = 5,
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SPV_FORCE_32_BIT_ENUM(spv_generator_t)
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} spv_generator_t;
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#endif // LIBSPIRV_SPIRV_CONSTANT_H_
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