235 lines
7.5 KiB
C++
235 lines
7.5 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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#ifndef LIBSPIRV_TEST_UNITSPIRV_H_
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#define LIBSPIRV_TEST_UNITSPIRV_H_
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#include <stdint.h>
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#include <iomanip>
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#include <vector>
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#include "source/assembly_grammar.h"
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#include "source/binary.h"
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#include "source/diagnostic.h"
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#include "source/enum_set.h"
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#include "source/opcode.h"
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#include "source/spirv_endian.h"
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#include "source/text.h"
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#include "source/text_handler.h"
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#include "source/validate.h"
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#include "spirv-tools/libspirv.h"
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#include <gtest/gtest.h>
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#ifdef __ANDROID__
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#include <sstream>
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namespace std {
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template <typename T>
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std::string to_string(const T& val) {
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std::ostringstream os;
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os << val;
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return os.str();
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}
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} // namespace std
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#endif
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// Determine endianness & predicate tests on it
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enum {
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I32_ENDIAN_LITTLE = 0x03020100ul,
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I32_ENDIAN_BIG = 0x00010203ul,
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};
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static const union {
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unsigned char bytes[4];
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uint32_t value;
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} o32_host_order = {{0, 1, 2, 3}};
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#define I32_ENDIAN_HOST (o32_host_order.value)
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// A namespace for utilities used in SPIR-V Tools unit tests.
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namespace spvtest {
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class WordVector;
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// Emits the given word vector to the given stream.
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// This function can be used by the gtest value printer.
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void PrintTo(const WordVector& words, ::std::ostream* os);
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// A proxy class to allow us to easily write out vectors of SPIR-V words.
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class WordVector {
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public:
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explicit WordVector(const std::vector<uint32_t>& val) : value_(val) {}
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explicit WordVector(const spv_binary_t& binary)
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: value_(binary.code, binary.code + binary.wordCount) {}
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// Returns the underlying vector.
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const std::vector<uint32_t>& value() const { return value_; }
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// Returns the string representation of this word vector.
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std::string str() const {
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std::ostringstream os;
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PrintTo(*this, &os);
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return os.str();
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}
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private:
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const std::vector<uint32_t> value_;
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};
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inline void PrintTo(const WordVector& words, ::std::ostream* os) {
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size_t count = 0;
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const auto saved_flags = os->flags();
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const auto saved_fill = os->fill();
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for (uint32_t value : words.value()) {
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*os << "0x" << std::setw(8) << std::setfill('0') << std::hex << value
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<< " ";
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if (count++ % 8 == 7) {
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*os << std::endl;
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}
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}
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os->flags(saved_flags);
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os->fill(saved_fill);
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}
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// Returns a vector of words representing a single instruction with the
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// given opcode and operand words as a vector.
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inline std::vector<uint32_t> MakeInstruction(
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SpvOp opcode, const std::vector<uint32_t>& args) {
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std::vector<uint32_t> result{
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spvOpcodeMake(uint16_t(args.size() + 1), opcode)};
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result.insert(result.end(), args.begin(), args.end());
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return result;
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}
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// Returns a vector of words representing a single instruction with the
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// given opcode and whose operands are the concatenation of the two given
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// argument lists.
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inline std::vector<uint32_t> MakeInstruction(
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SpvOp opcode, std::vector<uint32_t> args,
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const std::vector<uint32_t>& extra_args) {
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args.insert(args.end(), extra_args.begin(), extra_args.end());
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return MakeInstruction(opcode, args);
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}
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// Returns the vector of words representing the concatenation
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// of all input vectors.
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inline std::vector<uint32_t> Concatenate(
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const std::vector<std::vector<uint32_t>>& instructions) {
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std::vector<uint32_t> result;
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for (const auto& instruction : instructions) {
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result.insert(result.end(), instruction.begin(), instruction.end());
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}
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return result;
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}
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// Encodes a string as a sequence of words, using the SPIR-V encoding.
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inline std::vector<uint32_t> MakeVector(std::string input) {
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std::vector<uint32_t> result;
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uint32_t word = 0;
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size_t num_bytes = input.size();
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// SPIR-V strings are null-terminated. The byte_index == num_bytes
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// case is used to push the terminating null byte.
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for (size_t byte_index = 0; byte_index <= num_bytes; byte_index++) {
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const auto new_byte =
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(byte_index < num_bytes ? uint8_t(input[byte_index]) : uint8_t(0));
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word |= (new_byte << (8 * (byte_index % sizeof(uint32_t))));
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if (3 == (byte_index % sizeof(uint32_t))) {
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result.push_back(word);
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word = 0;
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}
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}
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// Emit a trailing partial word.
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if ((num_bytes + 1) % sizeof(uint32_t)) {
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result.push_back(word);
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}
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return result;
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}
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// A type for easily creating spv_text_t values, with an implicit conversion to
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// spv_text.
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struct AutoText {
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explicit AutoText(const std::string& value)
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: str(value), text({str.data(), str.size()}) {}
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operator spv_text() { return &text; }
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std::string str;
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spv_text_t text;
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};
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// An example case for an enumerated value, optionally with operands.
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template <typename E>
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class EnumCase {
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public:
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EnumCase() = default; // Required by ::testing::Combine().
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EnumCase(E val, std::string enum_name, std::vector<uint32_t> ops = {})
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: enum_value_(val), name_(enum_name), operands_(ops) {}
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// Returns the enum value as a uint32_t.
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uint32_t value() const { return static_cast<uint32_t>(enum_value_); }
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// Returns the name of the enumerant.
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const std::string& name() const { return name_; }
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// Returns a reference to the operands.
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const std::vector<uint32_t>& operands() const { return operands_; }
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private:
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E enum_value_;
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std::string name_;
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std::vector<uint32_t> operands_;
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};
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// Returns a string with num_4_byte_chars Unicode characters,
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// each of which has a 4-byte UTF-8 encoding.
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inline std::string MakeLongUTF8String(size_t num_4_byte_chars) {
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// An example of a longest valid UTF-8 character.
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// Be explicit about the character type because Microsoft compilers can
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// otherwise interpret the character string as being over wide (16-bit)
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// characters. Ideally, we would just use a C++11 UTF-8 string literal,
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// but we want to support older Microsoft compilers.
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const std::basic_string<char> earth_africa("\xF0\x9F\x8C\x8D");
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EXPECT_EQ(4u, earth_africa.size());
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std::string result;
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result.reserve(num_4_byte_chars * 4);
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for (size_t i = 0; i < num_4_byte_chars; i++) {
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result += earth_africa;
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}
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EXPECT_EQ(4 * num_4_byte_chars, result.size());
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return result;
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}
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// Returns a vector of all valid target environment enums.
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inline std::vector<spv_target_env> AllTargetEnvironments() {
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return {
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SPV_ENV_UNIVERSAL_1_0, SPV_ENV_UNIVERSAL_1_1,
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SPV_ENV_OPENCL_1_2, SPV_ENV_OPENCL_EMBEDDED_1_2,
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SPV_ENV_OPENCL_2_0, SPV_ENV_OPENCL_EMBEDDED_2_0,
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SPV_ENV_OPENCL_2_1, SPV_ENV_OPENCL_EMBEDDED_2_1,
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SPV_ENV_OPENCL_2_2, SPV_ENV_OPENCL_EMBEDDED_2_2,
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SPV_ENV_VULKAN_1_0, SPV_ENV_OPENGL_4_0,
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SPV_ENV_OPENGL_4_1, SPV_ENV_OPENGL_4_2,
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SPV_ENV_OPENGL_4_3, SPV_ENV_OPENGL_4_5,
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SPV_ENV_UNIVERSAL_1_2, SPV_ENV_UNIVERSAL_1_3,
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SPV_ENV_VULKAN_1_1,
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};
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}
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// Returns the capabilities in a CapabilitySet as an ordered vector.
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inline std::vector<SpvCapability> ElementsIn(
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const libspirv::CapabilitySet& capabilities) {
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std::vector<SpvCapability> result;
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capabilities.ForEach([&result](SpvCapability c) { result.push_back(c); });
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return result;
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}
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} // namespace spvtest
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#endif // LIBSPIRV_TEST_UNITSPIRV_H_
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