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<!-- doxytag: class="CEGUI::OpenGLGLXPBTextureTarget" --><!-- doxytag: inherits="CEGUI::OpenGLTextureTarget" -->
<p><a class="el" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html" title="OpenGLGLXPBTextureTarget - allows rendering to an OpenGL texture via the pbuffer provided in GLX 1...">OpenGLGLXPBTextureTarget</a> - allows rendering to an OpenGL texture via the pbuffer provided in GLX 1.3 and above.
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<p><a href="classCEGUI_1_1OpenGLGLXPBTextureTarget-members.html">List of all members.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae48d81690d82ae941f7073bc03d74761"></a><!-- doxytag: member="CEGUI::OpenGLGLXPBTextureTarget::OpenGLGLXPBTextureTarget" ref="ae48d81690d82ae941f7073bc03d74761" args="(OpenGLRenderer &owner)" -->
 </td><td class="memItemRight" valign="bottom"><b>OpenGLGLXPBTextureTarget</b> (<a class="el" href="classCEGUI_1_1OpenGLRenderer.html">OpenGLRenderer</a> &owner)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#a4316bdb6e493f2a20706c6f4e7d0c6d3">activate</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Activate the render target and put it in a state ready to be drawn to. <a href="#a4316bdb6e493f2a20706c6f4e7d0c6d3"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#a5c980f97ff5dd1074463ade98b9a990d">deactivate</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Deactivate the render target after having completed rendering. <a href="#a5c980f97ff5dd1074463ade98b9a990d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a13d3b821f57c9b95d2311c70a8838185"></a><!-- doxytag: member="CEGUI::OpenGLGLXPBTextureTarget::clear" ref="a13d3b821f57c9b95d2311c70a8838185" args="()" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#a13d3b821f57c9b95d2311c70a8838185">clear</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Clear the surface of the underlying texture. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#a368753fd36424bc9e2b142138a1c8ad0">declareRenderSize</a> (const <a class="el" href="classCEGUI_1_1Size.html">Size</a> &sz)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Used to declare to the <a class="el" href="classCEGUI_1_1TextureTarget.html" title="Specialisation of RenderTarget interface that should be used as the base class for RenderTargets that...">TextureTarget</a> the largest size, in pixels, of the next set of incoming rendering operations. <a href="#a368753fd36424bc9e2b142138a1c8ad0"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#adfc9f4fa4a0278120d2ac208f41884ac">grabTexture</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Grab the texture to a local buffer. <a href="#adfc9f4fa4a0278120d2ac208f41884ac"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a8db4da5fb459c0133c1cd7484162446f"></a><!-- doxytag: member="CEGUI::OpenGLGLXPBTextureTarget::restoreTexture" ref="a8db4da5fb459c0133c1cd7484162446f" args="()" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#a8db4da5fb459c0133c1cd7484162446f">restoreTexture</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Restore the texture from the locally buffered copy previously create by a call to grabTexture. <br/></td></tr>
<tr><td colspan="2"><h2><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af8f62c2909791e7b6fbdb4828cf1225a"></a><!-- doxytag: member="CEGUI::OpenGLGLXPBTextureTarget::initialisePBuffer" ref="af8f62c2909791e7b6fbdb4828cf1225a" args="()" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#af8f62c2909791e7b6fbdb4828cf1225a">initialisePBuffer</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Initialise the PBuffer with the needed size. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa7ea8d84b98cd43f4d4295b5a9f63f60"></a><!-- doxytag: member="CEGUI::OpenGLGLXPBTextureTarget::enablePBuffer" ref="aa7ea8d84b98cd43f4d4295b5a9f63f60" args="() const " -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#aa7ea8d84b98cd43f4d4295b5a9f63f60">enablePBuffer</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Switch rendering so it targets the pbuffer. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a46143a1340d3aebcb27141abb11af042"></a><!-- doxytag: member="CEGUI::OpenGLGLXPBTextureTarget::disablePBuffer" ref="a46143a1340d3aebcb27141abb11af042" args="() const " -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#a46143a1340d3aebcb27141abb11af042">disablePBuffer</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Switch rendering to target what was active before the pbuffer was used. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a64821f3fe7285538ca538f3140adb833"></a><!-- doxytag: member="CEGUI::OpenGLGLXPBTextureTarget::initialiseTexture" ref="a64821f3fe7285538ca538f3140adb833" args="()" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#a64821f3fe7285538ca538f3140adb833">initialiseTexture</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Perform basic initialisation of the texture we're going to use. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="adc30573c1f60e229698fef9c761d2fd4"></a><!-- doxytag: member="CEGUI::OpenGLGLXPBTextureTarget::selectFBConfig" ref="adc30573c1f60e229698fef9c761d2fd4" args="()" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#adc30573c1f60e229698fef9c761d2fd4">selectFBConfig</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Selects an appropriate FB config to use and stores in d_fbconfig. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab5678f0499e4ef6d20cc8070211044ae"></a><!-- doxytag: member="CEGUI::OpenGLGLXPBTextureTarget::createContext" ref="ab5678f0499e4ef6d20cc8070211044ae" args="()" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#ab5678f0499e4ef6d20cc8070211044ae">createContext</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Creates the context to use with the pbuffer. <br/></td></tr>
<tr><td colspan="2"><h2><a name="pro-attribs"></a>
Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac5992d38286d2c47ee485fe855a63de6"></a><!-- doxytag: member="CEGUI::OpenGLGLXPBTextureTarget::d_dpy" ref="ac5992d38286d2c47ee485fe855a63de6" args="" -->
Display * </td><td class="memItemRight" valign="bottom"><a class="el" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#ac5992d38286d2c47ee485fe855a63de6">d_dpy</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">X server display. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a8678f996e661a7e2b3f2f7d09ab09ec4"></a><!-- doxytag: member="CEGUI::OpenGLGLXPBTextureTarget::d_fbconfig" ref="a8678f996e661a7e2b3f2f7d09ab09ec4" args="" -->
GLXFBConfig </td><td class="memItemRight" valign="bottom"><a class="el" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#a8678f996e661a7e2b3f2f7d09ab09ec4">d_fbconfig</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">GLX config used in creating pbuffer. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae7d4f9b13e5d0ed2d5ea40bb61e635af"></a><!-- doxytag: member="CEGUI::OpenGLGLXPBTextureTarget::d_context" ref="ae7d4f9b13e5d0ed2d5ea40bb61e635af" args="" -->
GLXContext </td><td class="memItemRight" valign="bottom"><a class="el" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#ae7d4f9b13e5d0ed2d5ea40bb61e635af">d_context</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">GLX context. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6d5fb86e5012e1a1df9c640ea265058f"></a><!-- doxytag: member="CEGUI::OpenGLGLXPBTextureTarget::d_pbuffer" ref="a6d5fb86e5012e1a1df9c640ea265058f" args="" -->
GLXPbuffer </td><td class="memItemRight" valign="bottom"><a class="el" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#a6d5fb86e5012e1a1df9c640ea265058f">d_pbuffer</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">The GLX pbuffer we're using. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a708a0330b26b5661e9498aed90ba5170"></a><!-- doxytag: member="CEGUI::OpenGLGLXPBTextureTarget::d_prevDisplay" ref="a708a0330b26b5661e9498aed90ba5170" args="" -->
Display * </td><td class="memItemRight" valign="bottom"><a class="el" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#a708a0330b26b5661e9498aed90ba5170">d_prevDisplay</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">stores previous X display when switching to pbuffer <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad11cea8f234dd985d2c19b5ea6bf9cb3"></a><!-- doxytag: member="CEGUI::OpenGLGLXPBTextureTarget::d_prevDrawable" ref="ad11cea8f234dd985d2c19b5ea6bf9cb3" args="" -->
GLXDrawable </td><td class="memItemRight" valign="bottom"><a class="el" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#ad11cea8f234dd985d2c19b5ea6bf9cb3">d_prevDrawable</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">stores previous GLX drawable when switching to pbuffer <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0205ad986d1dab47d953f7a583c764da"></a><!-- doxytag: member="CEGUI::OpenGLGLXPBTextureTarget::d_prevContext" ref="a0205ad986d1dab47d953f7a583c764da" args="" -->
GLXContext </td><td class="memItemRight" valign="bottom"><a class="el" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#a0205ad986d1dab47d953f7a583c764da">d_prevContext</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">stores previous GLX context when switching to pbuffer <br/></td></tr>
<tr><td colspan="2"><h2><a name="pro-static-attribs"></a>
Static Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a84686f55833bfa2a34152d7c60e9e360"></a><!-- doxytag: member="CEGUI::OpenGLGLXPBTextureTarget::DEFAULT_SIZE" ref="a84686f55833bfa2a34152d7c60e9e360" args="" -->
static const float </td><td class="memItemRight" valign="bottom"><a class="el" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#a84686f55833bfa2a34152d7c60e9e360">DEFAULT_SIZE</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">default size of created texture objects <br/></td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p><a class="el" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html" title="OpenGLGLXPBTextureTarget - allows rendering to an OpenGL texture via the pbuffer provided in GLX 1...">OpenGLGLXPBTextureTarget</a> - allows rendering to an OpenGL texture via the pbuffer provided in GLX 1.3 and above. </p>
</div><hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a4316bdb6e493f2a20706c6f4e7d0c6d3"></a><!-- doxytag: member="CEGUI::OpenGLGLXPBTextureTarget::activate" ref="a4316bdb6e493f2a20706c6f4e7d0c6d3" args="()" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void CEGUI::OpenGLGLXPBTextureTarget::activate </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td><code> [virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Activate the render target and put it in a state ready to be drawn to. </p>
<dl class="note"><dt><b>Note:</b></dt><dd>You MUST call this before doing any rendering - if you do not call this, in the unlikely event that your application actually works, it will likely stop working in some future version. </dd></dl>
<p>Reimplemented from <a class="el" href="classCEGUI_1_1OpenGLRenderTarget.html#a22e2783ac4304193a358a37c8549a175">CEGUI::OpenGLRenderTarget</a>.</p>
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<a class="anchor" id="a5c980f97ff5dd1074463ade98b9a990d"></a><!-- doxytag: member="CEGUI::OpenGLGLXPBTextureTarget::deactivate" ref="a5c980f97ff5dd1074463ade98b9a990d" args="()" -->
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<td class="memname">void CEGUI::OpenGLGLXPBTextureTarget::deactivate </td>
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<td><code> [virtual]</code></td>
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<p>Deactivate the render target after having completed rendering. </p>
<dl class="note"><dt><b>Note:</b></dt><dd>You MUST call this after you finish rendering to the target - if you do not call this, in the unlikely event that your application actually works, it will likely stop working in some future version. </dd></dl>
<p>Reimplemented from <a class="el" href="classCEGUI_1_1OpenGLRenderTarget.html#a8413b5323c907f65c732a1af29629579">CEGUI::OpenGLRenderTarget</a>.</p>
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<a class="anchor" id="a368753fd36424bc9e2b142138a1c8ad0"></a><!-- doxytag: member="CEGUI::OpenGLGLXPBTextureTarget::declareRenderSize" ref="a368753fd36424bc9e2b142138a1c8ad0" args="(const Size &sz)" -->
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<td class="memname">void CEGUI::OpenGLGLXPBTextureTarget::declareRenderSize </td>
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<td class="paramname"><em>sz</em></td><td>)</td>
<td><code> [virtual]</code></td>
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<p>Used to declare to the <a class="el" href="classCEGUI_1_1TextureTarget.html" title="Specialisation of RenderTarget interface that should be used as the base class for RenderTargets that...">TextureTarget</a> the largest size, in pixels, of the next set of incoming rendering operations. </p>
<dl class="note"><dt><b>Note:</b></dt><dd>The main purpose of this is to allow for the implemenatation to resize the underlying texture so that it can hold the imagery that will be drawn.</dd></dl>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">sz</td><td><a class="el" href="classCEGUI_1_1Size.html" title="Class that holds the size (width & height) of something.">Size</a> object describing the largest area that will be rendererd in the next batch of rendering operations.</td></tr>
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<dl><dt><b>Exceptions:</b></dt><dd>
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<tr><td class="paramname"><a class="el" href="classCEGUI_1_1InvalidRequestException.html" title="Exception class used when some impossible request was made of the system.">InvalidRequestException</a></td><td>May be thrown if the <a class="el" href="classCEGUI_1_1TextureTarget.html" title="Specialisation of RenderTarget interface that should be used as the base class for RenderTargets that...">TextureTarget</a> would not be able to handle the operations rendering content of the given size. </td></tr>
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<p>Implements <a class="el" href="classCEGUI_1_1TextureTarget.html#ab9cdb8912667867c5c3443475838583c">CEGUI::TextureTarget</a>.</p>
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<a class="anchor" id="adfc9f4fa4a0278120d2ac208f41884ac"></a><!-- doxytag: member="CEGUI::OpenGLGLXPBTextureTarget::grabTexture" ref="adfc9f4fa4a0278120d2ac208f41884ac" args="()" -->
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<td class="memname">void CEGUI::OpenGLGLXPBTextureTarget::grabTexture </td>
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<p>Grab the texture to a local buffer. </p>
<p>This will destroy the OpenGL texture, and restoreTexture must be called before using it again. </p>
<p>Reimplemented from <a class="el" href="classCEGUI_1_1OpenGLTextureTarget.html#ac30068b3ef91d37702308495abc6680d">CEGUI::OpenGLTextureTarget</a>.</p>
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