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// Copyright (c) 2015-2016 The Khronos Group Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "ext_inst.h"
#include <cassert>
#include <cstring>
#include "spirv/1.0/GLSL.std.450.h"
#include "spirv/1.0/OpenCL.std.h"
#include "spirv_definition.h"
#include "macro.h"
static const spv_ext_inst_desc_t glslStd450Entries_1_0[] = {
#include "glsl.std.450.insts-1.0.inc"
};
static const spv_ext_inst_desc_t openclEntries_1_0[] = {
#include "opencl.std.insts-1.0.inc"
};
static const spv_ext_inst_desc_t spv_amd_gcn_shader_entries[] = {
#include "spv-amd-gcn-shader.insts.inc"
};
spv_result_t spvExtInstTableGet(spv_ext_inst_table* pExtInstTable,
spv_target_env env) {
if (!pExtInstTable) return SPV_ERROR_INVALID_POINTER;
static const spv_ext_inst_group_t groups_1_0[] = {
{SPV_EXT_INST_TYPE_GLSL_STD_450, ARRAY_SIZE(glslStd450Entries_1_0),
glslStd450Entries_1_0},
{SPV_EXT_INST_TYPE_OPENCL_STD, ARRAY_SIZE(openclEntries_1_0),
openclEntries_1_0},
{SPV_EXT_INST_TYPE_SPV_AMD_GCN_SHADER,
ARRAY_SIZE(spv_amd_gcn_shader_entries), spv_amd_gcn_shader_entries},
};
static const spv_ext_inst_table_t table_1_0 = {ARRAY_SIZE(groups_1_0),
groups_1_0};
switch (env) {
// The extended instruction sets are all version 1.0 so far.
case SPV_ENV_UNIVERSAL_1_0:
case SPV_ENV_VULKAN_1_0:
case SPV_ENV_UNIVERSAL_1_1:
case SPV_ENV_UNIVERSAL_1_2:
case SPV_ENV_OPENCL_2_1:
case SPV_ENV_OPENCL_2_2:
case SPV_ENV_OPENGL_4_0:
case SPV_ENV_OPENGL_4_1:
case SPV_ENV_OPENGL_4_2:
case SPV_ENV_OPENGL_4_3:
case SPV_ENV_OPENGL_4_5:
*pExtInstTable = &table_1_0;
return SPV_SUCCESS;
default:
assert(0 && "Unknown spv_target_env in spvExtInstTableGet()");
return SPV_ERROR_INVALID_TABLE;
}
}
spv_ext_inst_type_t spvExtInstImportTypeGet(const char* name) {
// The names are specified by the respective extension instruction
// specifications.
if (!strcmp("GLSL.std.450", name)) {
return SPV_EXT_INST_TYPE_GLSL_STD_450;
}
if (!strcmp("OpenCL.std", name)) {
return SPV_EXT_INST_TYPE_OPENCL_STD;
}
if (!strcmp("SPV_AMD_gcn_shader", name)) {
return SPV_EXT_INST_TYPE_SPV_AMD_GCN_SHADER;
}
return SPV_EXT_INST_TYPE_NONE;
}
spv_result_t spvExtInstTableNameLookup(const spv_ext_inst_table table,
const spv_ext_inst_type_t type,
const char* name,
spv_ext_inst_desc* pEntry) {
if (!table) return SPV_ERROR_INVALID_TABLE;
if (!pEntry) return SPV_ERROR_INVALID_POINTER;
for (uint32_t groupIndex = 0; groupIndex < table->count; groupIndex++) {
const auto& group = table->groups[groupIndex];
if (type != group.type) continue;
for (uint32_t index = 0; index < group.count; index++) {
const auto& entry = group.entries[index];
if (!strcmp(name, entry.name)) {
*pEntry = &entry;
return SPV_SUCCESS;
}
}
}
return SPV_ERROR_INVALID_LOOKUP;
}
spv_result_t spvExtInstTableValueLookup(const spv_ext_inst_table table,
const spv_ext_inst_type_t type,
const uint32_t value,
spv_ext_inst_desc* pEntry) {
if (!table) return SPV_ERROR_INVALID_TABLE;
if (!pEntry) return SPV_ERROR_INVALID_POINTER;
for (uint32_t groupIndex = 0; groupIndex < table->count; groupIndex++) {
const auto& group = table->groups[groupIndex];
if (type != group.type) continue;
for (uint32_t index = 0; index < group.count; index++) {
const auto& entry = group.entries[index];
if (value == entry.ext_inst) {
*pEntry = &entry;
return SPV_SUCCESS;
}
}
}
return SPV_ERROR_INVALID_LOOKUP;
}
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