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Cocoa: Replace display link with IOKit query

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This removes the final dependency on CoreVideo, using a display link to
get the refresh rate of monitors where Core Graphics report a refresh
rate of zero.  Instead we now query the I/O registry directly, similarly
to what the display link does at creation.

Thanks to @OneSadCookie for pointers to this solution.
This commit is contained in:
Camilla Löwy
2019-12-25 17:09:38 +01:00
parent c3ca88055f
commit 4ec7daf3e9
6 changed files with 70 additions and 23 deletions
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6
docs/build.dox
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@@ -344,8 +344,8 @@ If you are using the dynamic library version of GLFW, add it to the project
dependencies.
If you are using the static library version of GLFW, add it and the Cocoa,
OpenGL, IOKit and CoreVideo frameworks to the project as dependencies. They can
all be found in `/System/Library/Frameworks`.
OpenGL and IOKit frameworks to the project as dependencies. They can all be
found in `/System/Library/Frameworks`.
@subsection build_link_osx With command-line on macOS
@@ -359,7 +359,7 @@ the `-l` and `-framework` switches.
If you are using the dynamic GLFW library, which is named `libglfw.3.dylib`, do:
@code{.sh}
cc -o myprog myprog.c -lglfw -framework Cocoa -framework OpenGL -framework IOKit -framework CoreVideo
cc -o myprog myprog.c -lglfw -framework Cocoa -framework OpenGL -framework IOKit
@endcode
If you are using the static library, named `libglfw3.a`, substitute `-lglfw3`

6
docs/news.dox
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@@ -52,6 +52,12 @@ add_subdirectory(path/to/glfw)
@endcode
@subsubsection corevideo_34 CoreVideo dependency has been removed
GLFW no longer depends on the CoreVideo framework on macOS and it no longer
needs to be specified during compilation or linking.
@subsection deprecations_34 Deprecations in version 3.4
@subsection removals_34 Removals in 3.4