222 lines
7.0 KiB
C++
222 lines
7.0 KiB
C++
/*
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* Copyright 2019 The Android Open Source Project
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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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/**
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* @defgroup swappy_common Swappy common tools
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* Tools to be used with Swappy for OpenGL or Swappy for Vulkan.
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* @{
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*/
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#pragma once
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#include <android/native_window.h>
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#include <stdint.h>
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#include "common/gamesdk_common.h"
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/** @brief Swap interval for 60fps, in nanoseconds. */
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#define SWAPPY_SWAP_60FPS (16666667L)
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/** @brief Swap interval for 30fps, in nanoseconds. */
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#define SWAPPY_SWAP_30FPS (33333333L)
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/** @brief Swap interval for 20fps, in nanoseconds. */
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#define SWAPPY_SWAP_20FPS (50000000L)
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/** @cond INTERNAL */
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#define SWAPPY_SYSTEM_PROP_KEY_DISABLE "swappy.disable"
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// Internal macros to track Swappy version, do not use directly.
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#define SWAPPY_MAJOR_VERSION 1
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#define SWAPPY_MINOR_VERSION 10
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#define SWAPPY_BUGFIX_VERSION 0
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#define SWAPPY_PACKED_VERSION \
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ANDROID_GAMESDK_PACKED_VERSION(SWAPPY_MAJOR_VERSION, SWAPPY_MINOR_VERSION, \
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SWAPPY_BUGFIX_VERSION)
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// Internal macros to generate a symbol to track Swappy version, do not use
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// directly.
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#define SWAPPY_VERSION_CONCAT_NX(PREFIX, MAJOR, MINOR, BUGFIX, GITCOMMIT) \
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PREFIX##_##MAJOR##_##MINOR##_##BUGFIX##_##GITCOMMIT
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#define SWAPPY_VERSION_CONCAT(PREFIX, MAJOR, MINOR, BUGFIX, GITCOMMIT) \
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SWAPPY_VERSION_CONCAT_NX(PREFIX, MAJOR, MINOR, BUGFIX, GITCOMMIT)
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#define SWAPPY_VERSION_SYMBOL \
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SWAPPY_VERSION_CONCAT(Swappy_version, SWAPPY_MAJOR_VERSION, \
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SWAPPY_MINOR_VERSION, SWAPPY_BUGFIX_VERSION, \
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AGDK_GIT_COMMIT)
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/** @endcond */
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/** @brief Id of a thread returned by an external thread manager. */
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typedef uint64_t SwappyThreadId;
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/**
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* @brief A structure enabling you to set how Swappy starts and joins threads by
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* calling
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* ::Swappy_setThreadFunctions.
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*
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* Usage of this functionality is optional.
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*/
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typedef struct SwappyThreadFunctions {
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/** @brief Thread start callback.
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*
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* This function is called by Swappy to start thread_func on a new thread.
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* @param user_data A value to be passed the thread function.
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* If the thread was started, this function should set the thread_id and
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* return 0. If the thread was not started, this function should return a
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* non-zero value.
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*/
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int (*start)(SwappyThreadId* thread_id, void* (*thread_func)(void*),
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void* user_data);
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/** @brief Thread join callback.
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*
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* This function is called by Swappy to join the thread with given id.
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*/
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void (*join)(SwappyThreadId thread_id);
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/** @brief Thread joinable callback.
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*
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* This function is called by Swappy to discover whether the thread with the
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* given id is joinable.
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*/
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bool (*joinable)(SwappyThreadId thread_id);
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} SwappyThreadFunctions;
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Return the version of the Swappy library at runtime.
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*/
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uint32_t Swappy_version();
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/**
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* @brief Call this before any other functions in order to use a custom thread
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* manager.
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*
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* Usage of this function is entirely optional. Swappy uses std::thread by
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* default.
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*
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*/
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void Swappy_setThreadFunctions(const SwappyThreadFunctions* thread_functions);
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/**
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* @brief Return the full version of the Swappy library at runtime, e.g.
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* "1.9.0_8a85ab7c46"
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*/
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const char* Swappy_versionString();
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#ifdef __cplusplus
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} // extern "C"
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#endif
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/**
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* Pointer to a function that can be attached to SwappyTracer::preWait
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* @param userData Pointer to arbitrary data, see SwappyTracer::userData.
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*/
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typedef void (*SwappyPreWaitCallback)(void*);
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/**
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* Pointer to a function that can be attached to SwappyTracer::postWait.
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* @param userData Pointer to arbitrary data, see SwappyTracer::userData.
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* @param cpu_time_ns Time for CPU processing of this frame in nanoseconds.
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* @param gpu_time_ns Time for GPU processing of previous frame in nanoseconds.
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*/
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typedef void (*SwappyPostWaitCallback)(void*, int64_t cpu_time_ns,
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int64_t gpu_time_ns);
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/**
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* Pointer to a function that can be attached to SwappyTracer::preSwapBuffers.
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* @param userData Pointer to arbitrary data, see SwappyTracer::userData.
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*/
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typedef void (*SwappyPreSwapBuffersCallback)(void*);
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/**
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* Pointer to a function that can be attached to SwappyTracer::postSwapBuffers.
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* @param userData Pointer to arbitrary data, see SwappyTracer::userData.
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* @param desiredPresentationTimeMillis The target time, in milliseconds, at
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* which the frame would be presented on screen.
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*/
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typedef void (*SwappyPostSwapBuffersCallback)(
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void*, int64_t desiredPresentationTimeMillis);
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/**
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* Pointer to a function that can be attached to SwappyTracer::startFrame.
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* @param userData Pointer to arbitrary data, see SwappyTracer::userData.
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* @param desiredPresentationTimeMillis The time, in milliseconds, at which the
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* frame is scheduled to be presented.
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*/
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typedef void (*SwappyStartFrameCallback)(void*, int currentFrame,
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int64_t desiredPresentationTimeMillis);
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/**
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* Pointer to a function that can be attached to
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* SwappyTracer::swapIntervalChanged. Call ::SwappyGL_getSwapIntervalNS or
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* ::SwappyVk_getSwapIntervalNS to get the latest swapInterval.
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* @param userData Pointer to arbitrary data, see SwappyTracer::userData.
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*/
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typedef void (*SwappySwapIntervalChangedCallback)(void*);
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/**
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* @brief Collection of callbacks to be called each frame to trace execution.
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*
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* Injection of these is optional.
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*/
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typedef struct SwappyTracer {
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/**
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* Callback called before waiting to queue the frame to the composer.
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*/
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SwappyPreWaitCallback preWait;
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/**
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* Callback called after wait to queue the frame to the composer is done.
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*/
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SwappyPostWaitCallback postWait;
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/**
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* Callback called before calling the function to queue the frame to the
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* composer.
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*/
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SwappyPreSwapBuffersCallback preSwapBuffers;
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/**
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* Callback called after calling the function to queue the frame to the
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* composer.
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*/
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SwappyPostSwapBuffersCallback postSwapBuffers;
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/**
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* Callback called at the start of a frame.
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*/
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SwappyStartFrameCallback startFrame;
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/**
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* Pointer to some arbitrary data that will be passed as the first argument
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* of callbacks.
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*/
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void* userData;
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/**
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* Callback called when the swap interval was changed.
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*/
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SwappySwapIntervalChangedCallback swapIntervalChanged;
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} SwappyTracer;
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/** @} */
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