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Code Issues 123 Wiki Activity

maintenance: glew update to v 2.1.0, glfw update to v3.3

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This commit is contained in:
tmj-fstate
2019-08-20 12:48:24 +02:00
parent d9b4b9e32b
commit 269e271f01
231 changed files with 19203 additions and 19005 deletions
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380
ref/glfw/docs/html/group__init.html
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@@ -3,7 +3,7 @@
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<div class="header">
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<a href="#groups">Modules</a> &#124;
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<div class="headertitle">
<div class="title">Initialization, version and error reference</div> </div>
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<div class="contents">
<a name="details" id="details"></a><h2 class="groupheader">Description</h2>
<p>This is the reference documentation for initialization and termination of the library, version management and error handling. For more task-oriented information, see the <a class="el" href="intro_guide.html">Introduction to the API</a>. </p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="groups"></a>
Modules</h2></td></tr>
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<tr class="memitem:ga2744fbb29b5631bb28802dbe0cf36eba"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__init.html#ga2744fbb29b5631bb28802dbe0cf36eba">GLFW_TRUE</a>&#160;&#160;&#160;1</td></tr>
<tr class="memdesc:ga2744fbb29b5631bb28802dbe0cf36eba"><td class="mdescLeft">&#160;</td><td class="mdescRight">One. <a href="#ga2744fbb29b5631bb28802dbe0cf36eba">More...</a><br /></td></tr>
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<tr class="memdesc:gac877fe3b627d21ef3a0a23e0a73ba8c5"><td class="mdescLeft">&#160;</td><td class="mdescRight">Zero. <a href="#gac877fe3b627d21ef3a0a23e0a73ba8c5">More...</a><br /></td></tr>
<tr class="separator:gac877fe3b627d21ef3a0a23e0a73ba8c5"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gab9c0534709fda03ec8959201da3a9a18"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__init.html#gab9c0534709fda03ec8959201da3a9a18">GLFW_JOYSTICK_HAT_BUTTONS</a>&#160;&#160;&#160;0x00050001</td></tr>
<tr class="memdesc:gab9c0534709fda03ec8959201da3a9a18"><td class="mdescLeft">&#160;</td><td class="mdescRight">Joystick hat buttons init hint. <a href="#gab9c0534709fda03ec8959201da3a9a18">More...</a><br /></td></tr>
<tr class="separator:gab9c0534709fda03ec8959201da3a9a18"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gab937983147a3158d45f88fad7129d9f2"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__init.html#gab937983147a3158d45f88fad7129d9f2">GLFW_COCOA_CHDIR_RESOURCES</a>&#160;&#160;&#160;0x00051001</td></tr>
<tr class="memdesc:gab937983147a3158d45f88fad7129d9f2"><td class="mdescLeft">&#160;</td><td class="mdescRight">macOS specific init hint. <a href="#gab937983147a3158d45f88fad7129d9f2">More...</a><br /></td></tr>
<tr class="separator:gab937983147a3158d45f88fad7129d9f2"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga71e0b4ce2f2696a84a9b8c5e12dc70cf"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__init.html#ga71e0b4ce2f2696a84a9b8c5e12dc70cf">GLFW_COCOA_MENUBAR</a>&#160;&#160;&#160;0x00051002</td></tr>
<tr class="memdesc:ga71e0b4ce2f2696a84a9b8c5e12dc70cf"><td class="mdescLeft">&#160;</td><td class="mdescRight">macOS specific init hint. <a href="#ga71e0b4ce2f2696a84a9b8c5e12dc70cf">More...</a><br /></td></tr>
<tr class="separator:ga71e0b4ce2f2696a84a9b8c5e12dc70cf"><td class="memSeparator" colspan="2">&#160;</td></tr>
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Typedefs</h2></td></tr>
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<tr class="memitem:gaaae48c0a18607ea4a4ba951d939f0901"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__init.html#gaaae48c0a18607ea4a4ba951d939f0901">glfwTerminate</a> (void)</td></tr>
<tr class="memdesc:gaaae48c0a18607ea4a4ba951d939f0901"><td class="mdescLeft">&#160;</td><td class="mdescRight">Terminates the GLFW library. <a href="#gaaae48c0a18607ea4a4ba951d939f0901">More...</a><br /></td></tr>
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<tr class="memdesc:ga110fd1d3f0412822b4f1908c026f724a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the specified init hint to the desired value. <a href="#ga110fd1d3f0412822b4f1908c026f724a">More...</a><br /></td></tr>
<tr class="separator:ga110fd1d3f0412822b4f1908c026f724a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga9f8ffaacf3c269cc48eafbf8b9b71197"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__init.html#ga9f8ffaacf3c269cc48eafbf8b9b71197">glfwGetVersion</a> (int *major, int *minor, int *rev)</td></tr>
<tr class="memdesc:ga9f8ffaacf3c269cc48eafbf8b9b71197"><td class="mdescLeft">&#160;</td><td class="mdescRight">Retrieves the version of the GLFW library. <a href="#ga9f8ffaacf3c269cc48eafbf8b9b71197">More...</a><br /></td></tr>
<tr class="separator:ga9f8ffaacf3c269cc48eafbf8b9b71197"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<tr class="memdesc:ga23d47dc013fce2bf58036da66079a657"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns a string describing the compile-time configuration. <a href="#ga23d47dc013fce2bf58036da66079a657">More...</a><br /></td></tr>
<tr class="separator:ga23d47dc013fce2bf58036da66079a657"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<tr class="memdesc:ga944986b4ec0b928d488141f92982aa18"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns and clears the last error for the calling thread. <a href="#ga944986b4ec0b928d488141f92982aa18">More...</a><br /></td></tr>
<tr class="separator:ga944986b4ec0b928d488141f92982aa18"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gaa5d796c3cf7c1a7f02f845486333fb5f"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__init.html#ga6b8a2639706d5c409fc1287e8f55e928">GLFWerrorfun</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__init.html#gaa5d796c3cf7c1a7f02f845486333fb5f">glfwSetErrorCallback</a> (<a class="el" href="group__init.html#ga6b8a2639706d5c409fc1287e8f55e928">GLFWerrorfun</a> cbfun)</td></tr>
<tr class="memdesc:gaa5d796c3cf7c1a7f02f845486333fb5f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the error callback. <a href="#gaa5d796c3cf7c1a7f02f845486333fb5f">More...</a><br /></td></tr>
<tr class="separator:gaa5d796c3cf7c1a7f02f845486333fb5f"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
GLFW version macros</h2></td></tr>
<tr class="memitem:ga6337d9ea43b22fc529b2bba066b4a576"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__init.html#ga6337d9ea43b22fc529b2bba066b4a576">GLFW_VERSION_MAJOR</a>&#160;&#160;&#160;3</td></tr>
<tr class="memdesc:ga6337d9ea43b22fc529b2bba066b4a576"><td class="mdescLeft">&#160;</td><td class="mdescRight">The major version number of the GLFW library. <a href="#ga6337d9ea43b22fc529b2bba066b4a576">More...</a><br /></td></tr>
<tr class="separator:ga6337d9ea43b22fc529b2bba066b4a576"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gaf80d40f0aea7088ff337606e9c48f7a3"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__init.html#gaf80d40f0aea7088ff337606e9c48f7a3">GLFW_VERSION_MINOR</a>&#160;&#160;&#160;2</td></tr>
<tr class="memdesc:gaf80d40f0aea7088ff337606e9c48f7a3"><td class="mdescLeft">&#160;</td><td class="mdescRight">The minor version number of the GLFW library. <a href="#gaf80d40f0aea7088ff337606e9c48f7a3">More...</a><br /></td></tr>
<tr class="separator:gaf80d40f0aea7088ff337606e9c48f7a3"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gab72ae2e2035d9ea461abc3495eac0502"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__init.html#gab72ae2e2035d9ea461abc3495eac0502">GLFW_VERSION_REVISION</a>&#160;&#160;&#160;1</td></tr>
<tr class="memdesc:gab72ae2e2035d9ea461abc3495eac0502"><td class="mdescLeft">&#160;</td><td class="mdescRight">The revision number of the GLFW library. <a href="#gab72ae2e2035d9ea461abc3495eac0502">More...</a><br /></td></tr>
<tr class="separator:gab72ae2e2035d9ea461abc3495eac0502"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>This is the reference documentation for initialization and termination of the library, version management and error handling. For more task-oriented information, see the <a class="el" href="intro_guide.html">Introduction to the API</a>. </p>
<h2 class="groupheader">Macro Definition Documentation</h2>
<a class="anchor" id="ga6337d9ea43b22fc529b2bba066b4a576"></a>
<a id="ga6337d9ea43b22fc529b2bba066b4a576"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga6337d9ea43b22fc529b2bba066b4a576">&#9670;&nbsp;</a></span>GLFW_VERSION_MAJOR</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
@@ -142,12 +141,14 @@ GLFW version macros</h2></td></tr>
</div>
</div>
<a class="anchor" id="gaf80d40f0aea7088ff337606e9c48f7a3"></a>
<a id="gaf80d40f0aea7088ff337606e9c48f7a3"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gaf80d40f0aea7088ff337606e9c48f7a3">&#9670;&nbsp;</a></span>GLFW_VERSION_MINOR</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define GLFW_VERSION_MINOR&#160;&#160;&#160;2</td>
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</div><div class="memdoc">
@@ -155,21 +156,100 @@ GLFW version macros</h2></td></tr>
</div>
</div>
<a class="anchor" id="gab72ae2e2035d9ea461abc3495eac0502"></a>
<a id="gab72ae2e2035d9ea461abc3495eac0502"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gab72ae2e2035d9ea461abc3495eac0502">&#9670;&nbsp;</a></span>GLFW_VERSION_REVISION</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname">#define GLFW_VERSION_REVISION&#160;&#160;&#160;1</td>
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<p>This is incremented when a bug fix release is made that does not contain any API changes. </p>
</div>
</div>
<a id="ga2744fbb29b5631bb28802dbe0cf36eba"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga2744fbb29b5631bb28802dbe0cf36eba">&#9670;&nbsp;</a></span>GLFW_TRUE</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname">#define GLFW_TRUE&#160;&#160;&#160;1</td>
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</div><div class="memdoc">
<p>This is only semantic sugar for the number 1. You can instead use <code>1</code> or <code>true</code> or <code>_True</code> or <code>GL_TRUE</code> or <code>VK_TRUE</code> or anything else that is equal to one. </p>
</div>
</div>
<a id="gac877fe3b627d21ef3a0a23e0a73ba8c5"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gac877fe3b627d21ef3a0a23e0a73ba8c5">&#9670;&nbsp;</a></span>GLFW_FALSE</h2>
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<td class="memname">#define GLFW_FALSE&#160;&#160;&#160;0</td>
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</div><div class="memdoc">
<p>This is only semantic sugar for the number 0. You can instead use <code>0</code> or <code>false</code> or <code>_False</code> or <code>GL_FALSE</code> or <code>VK_FALSE</code> or anything else that is equal to zero. </p>
</div>
</div>
<a id="gab9c0534709fda03ec8959201da3a9a18"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gab9c0534709fda03ec8959201da3a9a18">&#9670;&nbsp;</a></span>GLFW_JOYSTICK_HAT_BUTTONS</h2>
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<td class="memname">#define GLFW_JOYSTICK_HAT_BUTTONS&#160;&#160;&#160;0x00050001</td>
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</div><div class="memdoc">
<p>Joystick hat buttons <a class="el" href="intro_guide.html#GLFW_JOYSTICK_HAT_BUTTONS">init hint</a>. </p>
</div>
</div>
<a id="gab937983147a3158d45f88fad7129d9f2"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gab937983147a3158d45f88fad7129d9f2">&#9670;&nbsp;</a></span>GLFW_COCOA_CHDIR_RESOURCES</h2>
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<td class="memname">#define GLFW_COCOA_CHDIR_RESOURCES&#160;&#160;&#160;0x00051001</td>
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</div><div class="memdoc">
<p>macOS specific <a class="el" href="intro_guide.html#GLFW_COCOA_CHDIR_RESOURCES_hint">init hint</a>. </p>
</div>
</div>
<a id="ga71e0b4ce2f2696a84a9b8c5e12dc70cf"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga71e0b4ce2f2696a84a9b8c5e12dc70cf">&#9670;&nbsp;</a></span>GLFW_COCOA_MENUBAR</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define GLFW_COCOA_MENUBAR&#160;&#160;&#160;0x00051002</td>
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</table>
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<p>macOS specific <a class="el" href="intro_guide.html#GLFW_COCOA_MENUBAR_hint">init hint</a>. </p>
</div>
</div>
<h2 class="groupheader">Typedef Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ga6b8a2639706d5c409fc1287e8f55e928">&#9670;&nbsp;</a></span>GLFWerrorfun</h2>
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@@ -188,13 +268,118 @@ GLFW version macros</h2></td></tr>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="intro_guide.html#error_handling">Error handling</a> </dd>
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<a class="el" href="group__init.html#gaa5d796c3cf7c1a7f02f845486333fb5f" title="Sets the error callback. ">glfwSetErrorCallback</a></dd></dl>
<a class="el" href="group__init.html#gaa5d796c3cf7c1a7f02f845486333fb5f">glfwSetErrorCallback</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 3.0. </dd></dl>
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<h2 class="groupheader">Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ga317aac130a235ab08c6db0834907d85e">&#9670;&nbsp;</a></span>glfwInit()</h2>
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<td class="memname">int glfwInit </td>
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<td class="paramtype">void&#160;</td>
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<p>This function initializes the GLFW library. Before most GLFW functions can be used, GLFW must be initialized, and before an application terminates GLFW should be terminated in order to free any resources allocated during or after initialization.</p>
<p>If this function fails, it calls <a class="el" href="group__init.html#gaaae48c0a18607ea4a4ba951d939f0901">glfwTerminate</a> before returning. If it succeeds, you should call <a class="el" href="group__init.html#gaaae48c0a18607ea4a4ba951d939f0901">glfwTerminate</a> before the application exits.</p>
<p>Additional calls to this function after successful initialization but before termination will return <code>GLFW_TRUE</code> immediately.</p>
<dl class="section return"><dt>Returns</dt><dd><code>GLFW_TRUE</code> if successful, or <code>GLFW_FALSE</code> if an <a class="el" href="intro_guide.html#error_handling">error</a> occurred.</dd></dl>
<dl class="section user"><dt>Errors</dt><dd>Possible errors include <a class="el" href="group__errors.html#gad44162d78100ea5e87cdd38426b8c7a1">GLFW_PLATFORM_ERROR</a>.</dd></dl>
<dl class="section remark"><dt>Remarks</dt><dd><b>macOS:</b> This function will change the current directory of the application to the <code>Contents/Resources</code> subdirectory of the application's bundle, if present. This can be disabled with the <a class="el" href="group__init.html#gab937983147a3158d45f88fad7129d9f2">GLFW_COCOA_CHDIR_RESOURCES</a> init hint.</dd></dl>
<dl class="section user"><dt>Thread safety</dt><dd>This function must only be called from the main thread.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="intro_guide.html#intro_init">Initialization and termination</a> </dd>
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<a class="el" href="group__init.html#gaaae48c0a18607ea4a4ba951d939f0901">glfwTerminate</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 1.0. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#gaaae48c0a18607ea4a4ba951d939f0901">&#9670;&nbsp;</a></span>glfwTerminate()</h2>
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<td class="memname">void glfwTerminate </td>
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<p>This function destroys all remaining windows and cursors, restores any modified gamma ramps and frees any other allocated resources. Once this function is called, you must again call <a class="el" href="group__init.html#ga317aac130a235ab08c6db0834907d85e">glfwInit</a> successfully before you will be able to use most GLFW functions.</p>
<p>If GLFW has been successfully initialized, this function should be called before the application exits. If initialization fails, there is no need to call this function, as it is called by <a class="el" href="group__init.html#ga317aac130a235ab08c6db0834907d85e">glfwInit</a> before it returns failure.</p>
<dl class="section user"><dt>Errors</dt><dd>Possible errors include <a class="el" href="group__errors.html#gad44162d78100ea5e87cdd38426b8c7a1">GLFW_PLATFORM_ERROR</a>.</dd></dl>
<dl class="section remark"><dt>Remarks</dt><dd>This function may be called before <a class="el" href="group__init.html#ga317aac130a235ab08c6db0834907d85e">glfwInit</a>.</dd></dl>
<dl class="section warning"><dt>Warning</dt><dd>The contexts of any remaining windows must not be current on any other thread when this function is called.</dd></dl>
<dl class="section user"><dt>Reentrancy</dt><dd>This function must not be called from a callback.</dd></dl>
<dl class="section user"><dt>Thread safety</dt><dd>This function must only be called from the main thread.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="intro_guide.html#intro_init">Initialization and termination</a> </dd>
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<a class="el" href="group__init.html#ga317aac130a235ab08c6db0834907d85e">glfwInit</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 1.0. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ga110fd1d3f0412822b4f1908c026f724a">&#9670;&nbsp;</a></span>glfwInitHint()</h2>
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<td class="memname">void glfwInitHint </td>
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<td class="paramtype">int&#160;</td>
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<p>This function sets hints for the next initialization of GLFW.</p>
<p>The values you set hints to are never reset by GLFW, but they only take effect during initialization. Once GLFW has been initialized, any values you set will be ignored until the library is terminated and initialized again.</p>
<p>Some hints are platform specific. These may be set on any platform but they will only affect their specific platform. Other platforms will ignore them. Setting these hints requires no platform specific headers or functions.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramdir">[in]</td><td class="paramname">hint</td><td>The <a class="el" href="intro_guide.html#init_hints">init hint</a> to set. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">value</td><td>The new value of the init hint.</td></tr>
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<dl class="section user"><dt>Errors</dt><dd>Possible errors include <a class="el" href="group__errors.html#ga76f6bb9c4eea73db675f096b404593ce">GLFW_INVALID_ENUM</a> and <a class="el" href="group__errors.html#gaaf2ef9aa8202c2b82ac2d921e554c687">GLFW_INVALID_VALUE</a>.</dd></dl>
<dl class="section remark"><dt>Remarks</dt><dd>This function may be called before <a class="el" href="group__init.html#ga317aac130a235ab08c6db0834907d85e">glfwInit</a>.</dd></dl>
<dl class="section user"><dt>Thread safety</dt><dd>This function must only be called from the main thread.</dd></dl>
<dl class="section see"><dt>See also</dt><dd>init_hints </dd>
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<a class="el" href="group__init.html#ga317aac130a235ab08c6db0834907d85e" title="Initializes the GLFW library.">glfwInit</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 3.3. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ga9f8ffaacf3c269cc48eafbf8b9b71197">&#9670;&nbsp;</a></span>glfwGetVersion()</h2>
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<dl class="section user"><dt>Thread safety</dt><dd>This function may be called from any thread.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="intro_guide.html#intro_version">Version management</a> </dd>
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<a class="el" href="group__init.html#ga23d47dc013fce2bf58036da66079a657" title="Returns a string describing the compile-time configuration. ">glfwGetVersionString</a></dd></dl>
<a class="el" href="group__init.html#ga23d47dc013fce2bf58036da66079a657">glfwGetVersionString</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 1.0. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ga23d47dc013fce2bf58036da66079a657">&#9670;&nbsp;</a></span>glfwGetVersionString()</h2>
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<dl class="section user"><dt>Thread safety</dt><dd>This function may be called from any thread.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="intro_guide.html#intro_version">Version management</a> </dd>
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<a class="el" href="group__init.html#ga9f8ffaacf3c269cc48eafbf8b9b71197" title="Retrieves the version of the GLFW library. ">glfwGetVersion</a></dd></dl>
<a class="el" href="group__init.html#ga9f8ffaacf3c269cc48eafbf8b9b71197">glfwGetVersion</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 3.0. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ga944986b4ec0b928d488141f92982aa18">&#9670;&nbsp;</a></span>glfwGetError()</h2>
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<td class="memname">int glfwInit </td>
<td class="memname">int glfwGetError </td>
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<td class="paramtype">const char **&#160;</td>
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<p>This function initializes the GLFW library. Before most GLFW functions can be used, GLFW must be initialized, and before an application terminates GLFW should be terminated in order to free any resources allocated during or after initialization.</p>
<p>If this function fails, it calls <a class="el" href="group__init.html#gaaae48c0a18607ea4a4ba951d939f0901">glfwTerminate</a> before returning. If it succeeds, you should call <a class="el" href="group__init.html#gaaae48c0a18607ea4a4ba951d939f0901">glfwTerminate</a> before the application exits.</p>
<p>Additional calls to this function after successful initialization but before termination will return <code>GLFW_TRUE</code> immediately.</p>
<dl class="section return"><dt>Returns</dt><dd><code>GLFW_TRUE</code> if successful, or <code>GLFW_FALSE</code> if an <a class="el" href="intro_guide.html#error_handling">error</a> occurred.</dd></dl>
<dl class="section user"><dt>Errors</dt><dd>Possible errors include <a class="el" href="group__errors.html#gad44162d78100ea5e87cdd38426b8c7a1">GLFW_PLATFORM_ERROR</a>.</dd></dl>
<dl class="section remark"><dt>Remarks</dt><dd><b>OS X:</b> This function will change the current directory of the application to the <code>Contents/Resources</code> subdirectory of the application's bundle, if present. This can be disabled with a <a class="el" href="compile_guide.html#compile_options_osx">compile-time option</a>.</dd></dl>
<dl class="section user"><dt>Thread safety</dt><dd>This function must only be called from the main thread.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="intro_guide.html#intro_init">Initialization and termination</a> </dd>
<p>This function returns and clears the <a class="el" href="group__errors.html">error code</a> of the last error that occurred on the calling thread, and optionally a UTF-8 encoded human-readable description of it. If no error has occurred since the last call, it returns <a class="el" href="group__errors.html#gafa30deee5db4d69c4c93d116ed87dbf4">GLFW_NO_ERROR</a> (zero) and the description pointer is set to <code>NULL</code>.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramdir">[in]</td><td class="paramname">description</td><td>Where to store the error description pointer, or <code>NULL</code>. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>The last error code for the calling thread, or <a class="el" href="group__errors.html#gafa30deee5db4d69c4c93d116ed87dbf4">GLFW_NO_ERROR</a> (zero).</dd></dl>
<dl class="section user"><dt>Errors</dt><dd>None.</dd></dl>
<dl class="section user"><dt>Pointer lifetime</dt><dd>The returned string is allocated and freed by GLFW. You should not free it yourself. It is guaranteed to be valid only until the next error occurs or the library is terminated.</dd></dl>
<dl class="section remark"><dt>Remarks</dt><dd>This function may be called before <a class="el" href="group__init.html#ga317aac130a235ab08c6db0834907d85e">glfwInit</a>.</dd></dl>
<dl class="section user"><dt>Thread safety</dt><dd>This function may be called from any thread.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="intro_guide.html#error_handling">Error handling</a> </dd>
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<a class="el" href="group__init.html#gaaae48c0a18607ea4a4ba951d939f0901" title="Terminates the GLFW library. ">glfwTerminate</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 1.0. </dd></dl>
<a class="el" href="group__init.html#gaa5d796c3cf7c1a7f02f845486333fb5f">glfwSetErrorCallback</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 3.3. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#gaa5d796c3cf7c1a7f02f845486333fb5f">&#9670;&nbsp;</a></span>glfwSetErrorCallback()</h2>
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<p>This function sets the error callback, which is called with an error code and a human-readable description each time a GLFW error occurs.</p>
<p>The error code is set before the callback is called. Calling <a class="el" href="group__init.html#ga944986b4ec0b928d488141f92982aa18">glfwGetError</a> from the error callback will return the same value as the error code argument.</p>
<p>The error callback is called on the thread where the error occurred. If you are using GLFW from multiple threads, your error callback needs to be written accordingly.</p>
<p>Because the description string may have been generated specifically for that error, it is not guaranteed to be valid after the callback has returned. If you wish to use it after the callback returns, you need to make a copy.</p>
<p>Once set, the error callback remains set even after the library has been terminated.</p>
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<dl class="section user"><dt>Errors</dt><dd>None.</dd></dl>
<dl class="section remark"><dt>Remarks</dt><dd>This function may be called before <a class="el" href="group__init.html#ga317aac130a235ab08c6db0834907d85e">glfwInit</a>.</dd></dl>
<dl class="section user"><dt>Thread safety</dt><dd>This function must only be called from the main thread.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="intro_guide.html#error_handling">Error handling</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 3.0. </dd></dl>
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<td class="memname">void glfwTerminate </td>
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<p>This function destroys all remaining windows and cursors, restores any modified gamma ramps and frees any other allocated resources. Once this function is called, you must again call <a class="el" href="group__init.html#ga317aac130a235ab08c6db0834907d85e">glfwInit</a> successfully before you will be able to use most GLFW functions.</p>
<p>If GLFW has been successfully initialized, this function should be called before the application exits. If initialization fails, there is no need to call this function, as it is called by <a class="el" href="group__init.html#ga317aac130a235ab08c6db0834907d85e">glfwInit</a> before it returns failure.</p>
<dl class="section user"><dt>Errors</dt><dd>Possible errors include <a class="el" href="group__errors.html#gad44162d78100ea5e87cdd38426b8c7a1">GLFW_PLATFORM_ERROR</a>.</dd></dl>
<dl class="section remark"><dt>Remarks</dt><dd>This function may be called before <a class="el" href="group__init.html#ga317aac130a235ab08c6db0834907d85e">glfwInit</a>.</dd></dl>
<dl class="section warning"><dt>Warning</dt><dd>The contexts of any remaining windows must not be current on any other thread when this function is called.</dd></dl>
<dl class="section user"><dt>Reentrancy</dt><dd>This function must not be called from a callback.</dd></dl>
<dl class="section user"><dt>Thread safety</dt><dd>This function must only be called from the main thread.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="intro_guide.html#intro_init">Initialization and termination</a> </dd>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="intro_guide.html#error_handling">Error handling</a> </dd>
<dd>
<a class="el" href="group__init.html#ga317aac130a235ab08c6db0834907d85e" title="Initializes the GLFW library. ">glfwInit</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 1.0. </dd></dl>
<a class="el" href="group__init.html#ga944986b4ec0b928d488141f92982aa18">glfwGetError</a></dd></dl>
<dl class="section since"><dt>Since</dt><dd>Added in version 3.0. </dd></dl>
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Last update on Thu Aug 18 2016 for GLFW 3.2.1
Last update on Tue Apr 16 2019 for GLFW 3.3.0
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