125 lines
3.9 KiB
C
125 lines
3.9 KiB
C
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// Copyright 2016 The Draco Authors.
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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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//
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#ifndef DRACO_CORE_MACROS_H_
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#define DRACO_CORE_MACROS_H_
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#include <cassert>
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#include "draco/draco_features.h"
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#ifdef ANDROID_LOGGING
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#include <android/log.h>
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#define LOG_TAG "draco"
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#define DRACO_LOGI(...) \
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__android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)
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#define DRACO_LOGE(...) \
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__android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)
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#else
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#define DRACO_LOGI printf
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#define DRACO_LOGE printf
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#endif
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#include <iostream>
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namespace draco {
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#ifndef FALLTHROUGH_INTENDED
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#if defined(__clang__) && defined(__has_warning)
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#if __has_feature(cxx_attributes) && __has_warning("-Wimplicit-fallthrough")
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#define FALLTHROUGH_INTENDED [[clang::fallthrough]]
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#endif
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#elif defined(__GNUC__) && __GNUC__ >= 7
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#define FALLTHROUGH_INTENDED [[gnu::fallthrough]]
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#endif // FALLTHROUGH_INTENDED
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// If FALLTHROUGH_INTENDED is still not defined, define it.
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#ifndef FALLTHROUGH_INTENDED
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#define FALLTHROUGH_INTENDED \
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do { \
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} while (0)
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#endif
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#endif // FALLTHROUGH_INTENDED
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#ifndef LOG
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#define LOG(...) std::cout
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#endif
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#ifndef VLOG
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#define VLOG(...) std::cout
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#endif
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} // namespace draco
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#ifndef DISALLOW_COPY_AND_ASSIGN
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#define DISALLOW_COPY_AND_ASSIGN(TypeName) \
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TypeName(const TypeName &) = delete; \
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void operator=(const TypeName &) = delete;
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#endif // DISALLOW_COPY_AND_ASSIGN
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#ifdef DRACO_DEBUG
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#define DRACO_DCHECK(x) (assert(x));
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#define DRACO_DCHECK_EQ(a, b) assert((a) == (b));
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#define DRACO_DCHECK_NE(a, b) assert((a) != (b));
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#define DRACO_DCHECK_GE(a, b) assert((a) >= (b));
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#define DRACO_DCHECK_GT(a, b) assert((a) > (b));
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#define DRACO_DCHECK_LE(a, b) assert((a) <= (b));
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#define DRACO_DCHECK_LT(a, b) assert((a) < (b));
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#define DRACO_DCHECK_NOTNULL(x) assert((x) != NULL);
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#else
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#define DRACO_DCHECK(x)
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#define DRACO_DCHECK_EQ(a, b)
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#define DRACO_DCHECK_NE(a, b)
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#define DRACO_DCHECK_GE(a, b)
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#define DRACO_DCHECK_GT(a, b)
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#define DRACO_DCHECK_LE(a, b)
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#define DRACO_DCHECK_LT(a, b)
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#define DRACO_DCHECK_NOTNULL(x)
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#endif // DRACO_DEBUG
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// Helper macros for concatenating macro values.
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#define DRACO_MACROS_IMPL_CONCAT_INNER_(x, y) x##y
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#define DRACO_MACROS_IMPL_CONCAT_(x, y) DRACO_MACROS_IMPL_CONCAT_INNER_(x, y)
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#define DRACO_MACROS_IMPL_CONCAT_INNER_3_(x, y, z) x##y##z
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#define DRACO_MACROS_IMPL_CONCAT_3_(x, y, z) \
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DRACO_MACROS_IMPL_CONCAT_INNER_3_(x, y, z)
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// Expand the n-th argument of the macro. Used to select an argument based on
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// the number of entries in a variadic macro argument. Example usage:
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//
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// #define FUNC_1(x) x
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// #define FUNC_2(x, y) x + y
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// #define FUNC_3(x, y, z) x + y + z
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//
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// #define VARIADIC_MACRO(...)
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// DRACO_SELECT_NTH_FROM_3(__VA_ARGS__, FUNC_3, FUNC_2, FUNC_1) __VA_ARGS__
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//
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#define DRACO_SELECT_NTH_FROM_2(_1, _2, NAME, ...) NAME
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#define DRACO_SELECT_NTH_FROM_3(_1, _2, _3, NAME, ...) NAME
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#define DRACO_SELECT_NTH_FROM_4(_1, _2, _3, _4, NAME, ...) NAME
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// Macro that converts the Draco bit-stream into one uint16_t number.
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// Useful mostly when checking version numbers.
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#define DRACO_BITSTREAM_VERSION(MAJOR, MINOR) \
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((static_cast<uint16_t>(MAJOR) << 8) | MINOR)
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// Macro that converts the uint16_t Draco bit-stream number into the major
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// and minor components respectively.
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#define DRACO_BISTREAM_VERSION_MAJOR(VERSION) \
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(static_cast<uint8_t>(VERSION >> 8))
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#define DRACO_BISTREAM_VERSION_MINOR(VERSION) \
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(static_cast<uint8_t>(VERSION & 0xFF))
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#endif // DRACO_CORE_MACROS_H_
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