mirror of
https://github.com/KhronosGroup/SPIRV-Tools
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123 lines
4.0 KiB
C++
123 lines
4.0 KiB
C++
// Copyright (c) 2015-2016 The Khronos Group Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "ext_inst.h"
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#include <cassert>
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#include <cstring>
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#include "spirv/1.0/GLSL.std.450.h"
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#include "spirv/1.0/OpenCL.std.h"
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#include "spirv_definition.h"
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#include "macro.h"
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static const spv_ext_inst_desc_t glslStd450Entries_1_0[] = {
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#include "glsl.std.450.insts-1.0.inc"
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};
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static const spv_ext_inst_desc_t openclEntries_1_0[] = {
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#include "opencl.std.insts-1.0.inc"
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};
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spv_result_t spvExtInstTableGet(spv_ext_inst_table* pExtInstTable,
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spv_target_env env) {
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if (!pExtInstTable) return SPV_ERROR_INVALID_POINTER;
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static const spv_ext_inst_group_t groups_1_0[] = {
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{SPV_EXT_INST_TYPE_GLSL_STD_450, ARRAY_SIZE(glslStd450Entries_1_0),
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glslStd450Entries_1_0},
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{SPV_EXT_INST_TYPE_OPENCL_STD, ARRAY_SIZE(openclEntries_1_0),
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openclEntries_1_0},
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};
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static const spv_ext_inst_table_t table_1_0 = {ARRAY_SIZE(groups_1_0),
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groups_1_0};
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switch (env) {
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// The extended instruction sets are all version 1.0 so far.
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case SPV_ENV_UNIVERSAL_1_0:
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case SPV_ENV_VULKAN_1_0:
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case SPV_ENV_UNIVERSAL_1_1:
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case SPV_ENV_OPENCL_2_1:
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case SPV_ENV_OPENCL_2_2:
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case SPV_ENV_OPENGL_4_0:
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case SPV_ENV_OPENGL_4_1:
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case SPV_ENV_OPENGL_4_2:
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case SPV_ENV_OPENGL_4_3:
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case SPV_ENV_OPENGL_4_5:
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*pExtInstTable = &table_1_0;
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return SPV_SUCCESS;
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default:
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assert(0 && "Unknown spv_target_env in spvExtInstTableGet()");
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return SPV_ERROR_INVALID_TABLE;
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}
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}
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spv_ext_inst_type_t spvExtInstImportTypeGet(const char* name) {
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// The names are specified by the respective extension instruction
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// specifications.
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if (!strcmp("GLSL.std.450", name)) {
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return SPV_EXT_INST_TYPE_GLSL_STD_450;
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}
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if (!strcmp("OpenCL.std", name)) {
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return SPV_EXT_INST_TYPE_OPENCL_STD;
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}
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return SPV_EXT_INST_TYPE_NONE;
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}
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spv_result_t spvExtInstTableNameLookup(const spv_ext_inst_table table,
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const spv_ext_inst_type_t type,
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const char* name,
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spv_ext_inst_desc* pEntry) {
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if (!table) return SPV_ERROR_INVALID_TABLE;
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if (!pEntry) return SPV_ERROR_INVALID_POINTER;
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for (uint32_t groupIndex = 0; groupIndex < table->count; groupIndex++) {
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const auto& group = table->groups[groupIndex];
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if (type != group.type) continue;
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for (uint32_t index = 0; index < group.count; index++) {
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const auto& entry = group.entries[index];
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if (!strcmp(name, entry.name)) {
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*pEntry = &entry;
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return SPV_SUCCESS;
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}
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}
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}
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return SPV_ERROR_INVALID_LOOKUP;
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}
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spv_result_t spvExtInstTableValueLookup(const spv_ext_inst_table table,
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const spv_ext_inst_type_t type,
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const uint32_t value,
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spv_ext_inst_desc* pEntry) {
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if (!table) return SPV_ERROR_INVALID_TABLE;
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if (!pEntry) return SPV_ERROR_INVALID_POINTER;
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for (uint32_t groupIndex = 0; groupIndex < table->count; groupIndex++) {
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const auto& group = table->groups[groupIndex];
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if (type != group.type) continue;
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for (uint32_t index = 0; index < group.count; index++) {
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const auto& entry = group.entries[index];
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if (value == entry.ext_inst) {
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*pEntry = &entry;
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return SPV_SUCCESS;
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}
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}
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}
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return SPV_ERROR_INVALID_LOOKUP;
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}
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