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Clarify documentation for glfwMakeContextCurrent
(cherry picked from commit 3f31519de8
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@ -5454,12 +5454,15 @@ GLFWAPI uint64_t glfwGetTimerFrequency(void);
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* thread.
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*
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* This function makes the OpenGL or OpenGL ES context of the specified window
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* current on the calling thread. A context must only be made current on
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* a single thread at a time and each thread can have only a single current
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* context at a time.
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* current on the calling thread. It can also detach the current context from
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* the calling thread without making a new one current by passing in `NULL`.
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*
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* When moving a context between threads, you must make it non-current on the
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* old thread before making it current on the new one.
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* A context must only be made current on a single thread at a time and each
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* thread can have only a single current context at a time. Making a context
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* current detaches any previously current context on the calling thread.
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*
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* When moving a context between threads, you must detach it (make it
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* non-current) on the old thread before making it current on the new one.
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*
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* By default, making a context non-current implicitly forces a pipeline flush.
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* On machines that support `GL_KHR_context_flush_control`, you can control
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@ -5474,6 +5477,10 @@ GLFWAPI uint64_t glfwGetTimerFrequency(void);
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* @param[in] window The window whose context to make current, or `NULL` to
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* detach the current context.
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*
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* @remarks If the previously current context was created via a different
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* context creation API than the one passed to this function, GLFW will still
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* detach the previous one from its API before making the new one current.
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*
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* @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref
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* GLFW_NO_WINDOW_CONTEXT and @ref GLFW_PLATFORM_ERROR.
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*
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