SPIRV-Tools/source/spirv_target_env.cpp
2017-05-15 17:10:07 -04:00

113 lines
3.5 KiB
C++

// 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 <cassert>
#include <cstring>
#include "spirv-tools/libspirv.h"
#include "spirv_constant.h"
const char* spvTargetEnvDescription(spv_target_env env) {
switch (env) {
case SPV_ENV_UNIVERSAL_1_0:
return "SPIR-V 1.0";
case SPV_ENV_VULKAN_1_0:
return "SPIR-V 1.0 (under Vulkan 1.0 semantics)";
case SPV_ENV_UNIVERSAL_1_1:
return "SPIR-V 1.1";
case SPV_ENV_OPENCL_2_1:
return "SPIR-V 1.0 (under OpenCL 2.1 semantics)";
case SPV_ENV_OPENCL_2_2:
return "SPIR-V 1.1 (under OpenCL 2.2 semantics)";
case SPV_ENV_OPENGL_4_0:
return "SPIR-V 1.0 (under OpenCL 4.0 semantics)";
case SPV_ENV_OPENGL_4_1:
return "SPIR-V 1.0 (under OpenCL 4.1 semantics)";
case SPV_ENV_OPENGL_4_2:
return "SPIR-V 1.0 (under OpenCL 4.2 semantics)";
case SPV_ENV_OPENGL_4_3:
return "SPIR-V 1.0 (under OpenCL 4.3 semantics)";
case SPV_ENV_OPENGL_4_5:
return "SPIR-V 1.0 (under OpenCL 4.5 semantics)";
case SPV_ENV_UNIVERSAL_1_2:
return "SPIR-V 1.2";
}
assert(0 && "Unhandled SPIR-V target environment");
return "";
}
uint32_t spvVersionForTargetEnv(spv_target_env env) {
switch (env) {
case SPV_ENV_UNIVERSAL_1_0:
case SPV_ENV_VULKAN_1_0:
case SPV_ENV_OPENCL_2_1:
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:
return SPV_SPIRV_VERSION_WORD(1, 0);
case SPV_ENV_UNIVERSAL_1_1:
return SPV_SPIRV_VERSION_WORD(1, 1);
case SPV_ENV_UNIVERSAL_1_2:
case SPV_ENV_OPENCL_2_2:
return SPV_SPIRV_VERSION_WORD(1, 2);
}
assert(0 && "Unhandled SPIR-V target environment");
return SPV_SPIRV_VERSION_WORD(0, 0);
}
bool spvParseTargetEnv(const char* s, spv_target_env* env) {
auto match = [s](const char* b) {
return s && (0 == strncmp(s, b, strlen(b)));
};
if (match("vulkan1.0")) {
if (env) *env = SPV_ENV_VULKAN_1_0;
return true;
} else if (match("spv1.0")) {
if (env) *env = SPV_ENV_UNIVERSAL_1_0;
return true;
} else if (match("spv1.1")) {
if (env) *env = SPV_ENV_UNIVERSAL_1_1;
return true;
} else if (match("spv1.2")) {
if (env) *env = SPV_ENV_UNIVERSAL_1_2;
return true;
} else if (match("opencl2.1")) {
if (env) *env = SPV_ENV_OPENCL_2_1;
return true;
} else if (match("opencl2.2")) {
if (env) *env = SPV_ENV_OPENCL_2_2;
return true;
} else if (match("opengl4.0")) {
if (env) *env = SPV_ENV_OPENGL_4_0;
return true;
} else if (match("opengl4.1")) {
if (env) *env = SPV_ENV_OPENGL_4_1;
return true;
} else if (match("opengl4.2")) {
if (env) *env = SPV_ENV_OPENGL_4_2;
return true;
} else if (match("opengl4.3")) {
if (env) *env = SPV_ENV_OPENGL_4_3;
return true;
} else if (match("opengl4.5")) {
if (env) *env = SPV_ENV_OPENGL_4_5;
return true;
} else {
if (env) *env = SPV_ENV_UNIVERSAL_1_0;
return false;
}
}