| // |
| // Copyright 2014 The ANGLE Project Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| // |
| |
| #include "common/angleutils.h" |
| #include "common/debug.h" |
| |
| #include <stdio.h> |
| |
| #include <limits> |
| #include <vector> |
| |
| namespace angle |
| { |
| // dirtyPointer is a special value that will make the comparison with any valid pointer fail and |
| // force the renderer to re-apply the state. |
| const uintptr_t DirtyPointer = std::numeric_limits<uintptr_t>::max(); |
| } // namespace angle |
| |
| std::string ArrayString(unsigned int i) |
| { |
| // We assume that UINT_MAX and GL_INVALID_INDEX are equal. |
| ASSERT(i != UINT_MAX); |
| |
| std::stringstream strstr; |
| strstr << "["; |
| strstr << i; |
| strstr << "]"; |
| return strstr.str(); |
| } |
| |
| std::string ArrayIndexString(const std::vector<unsigned int> &indices) |
| { |
| std::stringstream strstr; |
| |
| for (auto indicesIt = indices.rbegin(); indicesIt != indices.rend(); ++indicesIt) |
| { |
| // We assume that UINT_MAX and GL_INVALID_INDEX are equal. |
| ASSERT(*indicesIt != UINT_MAX); |
| strstr << "["; |
| strstr << (*indicesIt); |
| strstr << "]"; |
| } |
| |
| return strstr.str(); |
| } |
| |
| size_t FormatStringIntoVector(const char *fmt, va_list vararg, std::vector<char> &outBuffer) |
| { |
| va_list varargCopy; |
| va_copy(varargCopy, vararg); |
| |
| int len = vsnprintf(nullptr, 0, fmt, vararg); |
| ASSERT(len >= 0); |
| |
| outBuffer.resize(len + 1, 0); |
| |
| len = vsnprintf(outBuffer.data(), outBuffer.size(), fmt, varargCopy); |
| va_end(varargCopy); |
| ASSERT(len >= 0); |
| return static_cast<size_t>(len); |
| } |