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@ -16,8 +16,9 @@ required to create full screen windows with GLFW 3. |
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The GLFW 3 header is named @ref glfw3.h and moved to the `GLFW` directory, to |
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The GLFW 3 header is named @ref glfw3.h and moved to the `GLFW` directory, to |
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avoid collisions with the headers of other major versions. Similarly, the GLFW |
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avoid collisions with the headers of other major versions. Similarly, the GLFW |
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3 library is named `glfw3,` except when it's installed as a shared library on |
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3 library is named `glfw3,` except when it's installed as a shared library on |
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Unix-like systems, where it uses the |
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Unix-like systems, where it uses the [soname][] `libglfw.so.3`. |
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[soname](https://en.wikipedia.org/wiki/soname) `libglfw.so.3`. |
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[soname]: https://en.wikipedia.org/wiki/soname |
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__Old syntax__ |
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__Old syntax__ |
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```c |
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```c |
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@ -36,18 +37,20 @@ The threading functions have been removed, including the per-thread sleep |
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function. They were fairly primitive, under-used, poorly integrated and took |
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function. They were fairly primitive, under-used, poorly integrated and took |
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time away from the focus of GLFW (i.e. context, input and window). There are |
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time away from the focus of GLFW (i.e. context, input and window). There are |
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better threading libraries available and native threading support is available |
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better threading libraries available and native threading support is available |
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in both [C++11](https://en.cppreference.com/w/cpp/thread) and |
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in both [C++11][] and [C11][], both of which are gaining traction. |
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[C11](https://en.cppreference.com/w/c/thread), both of which are gaining |
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traction. |
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[C++11]: https://en.cppreference.com/w/cpp/thread |
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[C11]: https://en.cppreference.com/w/c/thread |
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If you wish to use the C++11 or C11 facilities but your compiler doesn't yet |
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If you wish to use the C++11 or C11 facilities but your compiler doesn't yet |
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support them, see the |
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support them, see the [TinyThread++][] and [TinyCThread][] projects created by |
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[TinyThread++](https://gitorious.org/tinythread/tinythreadpp) and |
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[TinyCThread](https://github.com/tinycthread/tinycthread) projects created by |
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the original author of GLFW. These libraries implement a usable subset of the |
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the original author of GLFW. These libraries implement a usable subset of the |
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threading APIs in C++11 and C11, and in fact some GLFW 3 test programs use |
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threading APIs in C++11 and C11, and in fact some GLFW 3 test programs use |
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TinyCThread. |
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TinyCThread. |
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[TinyThread++]: https://gitorious.org/tinythread/tinythreadpp |
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[TinyCThread]: https://github.com/tinycthread/tinycthread |
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However, GLFW 3 has better support for _use from multiple threads_ than GLFW |
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However, GLFW 3 has better support for _use from multiple threads_ than GLFW |
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2 had. Contexts can be made current on any thread, although only a single |
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2 had. Contexts can be made current on any thread, although only a single |
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thread at a time, and the documentation explicitly states which functions may be |
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thread at a time, and the documentation explicitly states which functions may be |
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@ -84,13 +87,14 @@ __Removed functions__ |
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### Removal of GLFWCALL macro {#moving_stdcall} |
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### Removal of GLFWCALL macro {#moving_stdcall} |
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The `GLFWCALL` macro, which made callback functions use |
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The `GLFWCALL` macro, which made callback functions use [\_\_stdcall][stdcall] |
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[\_\_stdcall](https://msdn.microsoft.com/en-us/library/zxk0tw93.aspx) on Windows, |
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on Windows, has been removed. GLFW is written in C, not Pascal. Removing this |
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has been removed. GLFW is written in C, not Pascal. Removing this macro means |
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macro means there's one less thing for application programmers to remember, i.e. |
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there's one less thing for application programmers to remember, i.e. the |
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the requirement to mark all callback functions with `GLFWCALL`. It also |
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requirement to mark all callback functions with `GLFWCALL`. It also simplifies |
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simplifies the creation of DLLs and DLL link libraries, as there's no need to |
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the creation of DLLs and DLL link libraries, as there's no need to explicitly |
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explicitly disable `@n` entry point suffixes. |
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disable `@n` entry point suffixes. |
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[stdcall]: https://msdn.microsoft.com/en-us/library/zxk0tw93.aspx |
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__Old syntax__ |
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__Old syntax__ |
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```c |
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```c |
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@ -109,7 +113,9 @@ Because GLFW 3 supports multiple windows, window handle parameters have been |
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added to all window-related GLFW functions and callbacks. The handle of |
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added to all window-related GLFW functions and callbacks. The handle of |
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a newly created window is returned by @ref glfwCreateWindow (formerly |
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a newly created window is returned by @ref glfwCreateWindow (formerly |
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`glfwOpenWindow`). Window handles are pointers to the |
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`glfwOpenWindow`). Window handles are pointers to the |
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[opaque](https://en.wikipedia.org/wiki/Opaque_data_type) type @ref GLFWwindow. |
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[opaque][opaque-type] type @ref GLFWwindow. |
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[opaque-type]: https://en.wikipedia.org/wiki/Opaque_data_type |
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__Old syntax__ |
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__Old syntax__ |
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```c |
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```c |
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@ -129,7 +135,7 @@ instead of passing `GLFW_FULLSCREEN` you specify which monitor you wish the |
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window to use. The @ref glfwGetPrimaryMonitor function returns the monitor that |
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window to use. The @ref glfwGetPrimaryMonitor function returns the monitor that |
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GLFW 2 would have selected, but there are many other |
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GLFW 2 would have selected, but there are many other |
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[monitor functions](@ref monitor_guide). Monitor handles are pointers to the |
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[monitor functions](@ref monitor_guide). Monitor handles are pointers to the |
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[opaque](https://en.wikipedia.org/wiki/Opaque_data_type) type @ref GLFWmonitor. |
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[opaque][opaque-type] type @ref GLFWmonitor. |
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__Old basic full screen__ |
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__Old basic full screen__ |
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```c |
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```c |
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@ -376,14 +382,15 @@ glfwGetJoystickAxes and @ref glfwGetJoystickButtons functions. |
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### Win32 MBCS support {#moving_mbcs} |
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### Win32 MBCS support {#moving_mbcs} |
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The Win32 port of GLFW 3 will not compile in |
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The Win32 port of GLFW 3 will not compile in [MBCS mode][MBCS]. However, |
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[MBCS mode](https://msdn.microsoft.com/en-us/library/5z097dxa.aspx). |
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because the use of the Unicode version of the Win32 API doesn't affect the |
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However, because the use of the Unicode version of the Win32 API doesn't affect |
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process as a whole, but only those windows created using it, it's perfectly |
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the process as a whole, but only those windows created using it, it's perfectly |
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possible to call MBCS functions from other parts of the same application. |
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possible to call MBCS functions from other parts of the same application. |
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Therefore, even if an application using GLFW has MBCS mode code, there's no need |
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Therefore, even if an application using GLFW has MBCS mode code, there's no need |
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for GLFW itself to support it. |
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for GLFW itself to support it. |
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[MBCS]: https://msdn.microsoft.com/en-us/library/5z097dxa.aspx |
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### Support for versions of Windows older than XP {#moving_windows} |
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### Support for versions of Windows older than XP {#moving_windows} |
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@ -429,10 +436,12 @@ invalidating any window handles you may still have. |
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### GLU header inclusion {#moving_glu} |
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### GLU header inclusion {#moving_glu} |
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GLFW 3 does not by default include the GLU header and GLU itself has been |
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GLFW 3 does not by default include the GLU header and GLU itself has been |
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deprecated by [Khronos](https://en.wikipedia.org/wiki/Khronos_Group). __New |
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deprecated by [Khronos][]. __New projects should not use GLU__, but if you need |
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projects should not use GLU__, but if you need it for legacy code that |
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it for legacy code that has been moved to GLFW 3, you can request that the GLFW |
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has been moved to GLFW 3, you can request that the GLFW header includes it by |
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header includes it by defining @ref GLFW_INCLUDE_GLU before the inclusion of the |
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defining @ref GLFW_INCLUDE_GLU before the inclusion of the GLFW header. |
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GLFW header. |
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[Khronos]: https://en.wikipedia.org/wiki/Khronos_Group |
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__Old syntax__ |
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__Old syntax__ |
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```c |
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```c |
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@ -446,11 +455,13 @@ __New syntax__ |
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``` |
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``` |
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There are many libraries that offer replacements for the functionality offered |
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There are many libraries that offer replacements for the functionality offered |
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by GLU. For the matrix helper functions, see math libraries like |
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by GLU. For the matrix helper functions, see math libraries like [GLM][] (for |
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[GLM](https://github.com/g-truc/glm) (for C++), |
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C++), [linmath.h][] (for C) and others. For the tessellation functions, see for |
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[linmath.h](https://github.com/datenwolf/linmath.h) (for C) and others. For the |
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example [libtess2][]. |
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tessellation functions, see for example |
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[libtess2](https://github.com/memononen/libtess2). |
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[GLM]: https://github.com/g-truc/glm |
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[linmath.h]: https://github.com/datenwolf/linmath.h |
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[libtess2]: https://github.com/memononen/libtess2 |
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## Name change tables {#moving_tables} |
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## Name change tables {#moving_tables} |
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Camilla Löwy
ago%!(EXTRA string=2 years)