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44 lines
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<!DOCTYPE html> <html> <head> <title>THREEx.glCapability.js</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <link rel="stylesheet" media="all" href="docco.css" /> </head> <body> <div id="container"> <div id="background"></div> <div id="jump_to"> Jump To … <div id="jump_wrapper"> <div id="jump_page"> <a class="source" href="THREEx.CelShader.html"> THREEx.CelShader.js </a> <a class="source" href="THREEx.DeviceOrientationState.html"> THREEx.DeviceOrientationState.js </a> <a class="source" href="THREEx.FullScreen.html"> THREEx.FullScreen.js </a> <a class="source" href="THREEx.GeometryUtils.html"> THREEx.GeometryUtils.js </a> <a class="source" href="THREEx.GeometryWobble.html"> THREEx.GeometryWobble.js </a> <a class="source" href="THREEx.KeyboardState.html"> THREEx.KeyboardState.js </a> <a class="source" href="THREEx.LogoTurtle.html"> THREEx.LogoTurtle.js </a> <a class="source" href="THREEx.PlasmaShader.html"> THREEx.PlasmaShader.js </a> <a class="source" href="THREEx.SkyMap.html"> THREEx.SkyMap.js </a> <a class="source" href="THREEx.WindowResize.html"> THREEx.WindowResize.js </a> <a class="source" href="THREEx.glCapability.html"> THREEx.glCapability.js </a> <a class="source" href="THREEx.requestAnimationFrame.html"> THREEx.requestAnimationFrame.js </a> <a class="source" href="THREEx.screenshot.html"> THREEx.screenshot.js </a> <a class="source" href="threex.embedded.html"> threex.embedded.js </a> </div> </div> </div> <table cellpadding="0" cellspacing="0"> <thead> <tr> <th class="docs"> <h1> THREEx.glCapability.js </h1> </th> <th class="code"> </th> </tr> </thead> <tbody> <tr id="section-1"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-1">¶</a> </div> </td> <td class="code"> <div class="highlight"><pre><span class="cm">/**</span>
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<span class="cm"> * Define namespace</span>
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<span class="cm">*/</span>
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<span class="k">if</span><span class="p">(</span><span class="k">typeof</span> <span class="nx">THREEx</span> <span class="o">===</span> <span class="s2">"undefined"</span><span class="p">)</span> <span class="kd">var</span> <span class="nx">THREEx</span> <span class="o">=</span> <span class="p">{};</span>
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<span class="cm">/**</span>
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<span class="cm"> * return the capability of a WebGl context</span>
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<span class="cm"> *</span>
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<span class="cm"> * TODO to rewrite</span>
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<span class="cm"> * - heavily wased on webglreport on sourceforge</span>
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<span class="cm"> * - is there other/better properties</span>
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<span class="cm"> * - should i get a more readable output ?</span>
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<span class="cm"> * - another function ?</span>
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<span class="cm"> *</span>
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<span class="cm"> * @param {WebGLRenderingContext} webgl context</span>
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<span class="cm"> * @returns {Object} capabilities</span>
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<span class="cm">*/</span>
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<span class="nx">THREEx</span><span class="p">.</span><span class="nx">glCapability</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">gl</span><span class="p">)</span>
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<span class="p">{</span></pre></div> </td> </tr> <tr id="section-2"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-2">¶</a> </div> <p>sanity check - gl context MUST BE WebGLRenderingContext</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">console</span><span class="p">.</span><span class="nx">assert</span><span class="p">(</span><span class="nx">gl</span> <span class="k">instanceof</span> <span class="nx">WebGLRenderingContext</span><span class="p">)</span></pre></div> </td> </tr> <tr id="section-3"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-3">¶</a> </div> <p>TODO find better names</p> </td> <td class="code"> <div class="highlight"><pre> <span class="kd">var</span> <span class="nx">prout</span> <span class="o">=</span> <span class="p">[</span><span class="s1">'VERSION'</span><span class="p">,</span> <span class="s1">'SHADING_LANGUAGE_VERSION'</span><span class="p">,</span> <span class="s1">'VENDOR'</span><span class="p">,</span> <span class="s1">'RENDERER'</span><span class="p">];</span>
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<span class="kd">var</span> <span class="nx">pixDepth</span> <span class="o">=</span> <span class="p">[</span><span class="s1">'RED_BITS'</span><span class="p">,</span> <span class="s1">'GREEN_BITS'</span><span class="p">,</span> <span class="s1">'BLUE_BITS'</span><span class="p">,</span> <span class="s1">'ALPHA_BITS'</span><span class="p">,</span> <span class="s1">'DEPTH_BITS'</span><span class="p">,</span> <span class="s1">'STENCIL_BITS'</span><span class="p">];</span>
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<span class="kd">var</span> <span class="nx">slota</span> <span class="o">=</span> <span class="p">[</span><span class="s1">'MAX_RENDERBUFFER_SIZE'</span><span class="p">,</span> <span class="s1">'MAX_COMBINED_TEXTURE_IMAGE_UNITS'</span><span class="p">,</span> <span class="s1">'MAX_CUBE_MAP_TEXTURE_SIZE'</span>
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<span class="p">,</span> <span class="s1">'MAX_FRAGMENT_UNIFORM_VECTORS'</span><span class="p">,</span> <span class="s1">'MAX_TEXTURE_IMAGE_UNITS'</span>
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<span class="p">,</span> <span class="s1">'MAX_TEXTURE_SIZE'</span><span class="p">,</span> <span class="s1">'MAX_VERTEX_ATTRIBS'</span>
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<span class="p">,</span> <span class="s1">'MAX_VERTEX_ATTRIBS'</span><span class="p">,</span> <span class="s1">'MAX_VERTEX_TEXTURE_IMAGE_UNITS'</span>
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<span class="p">,</span> <span class="s1">'MAX_VERTEX_UNIFORM_VECTORS'</span><span class="p">];</span>
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<span class="kd">var</span> <span class="nx">sloti</span> <span class="o">=</span> <span class="p">[</span><span class="s1">'ALIASED_LINE_WIDTH_RANGE'</span><span class="p">,</span> <span class="s1">'ALIASED_POINT_SIZE_RANGE'</span><span class="p">,</span> <span class="s1">'MAX_VIEWPORT_DIMS'</span><span class="p">];</span>
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<span class="kd">var</span> <span class="nx">info</span> <span class="o">=</span> <span class="p">{};</span>
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<span class="kd">var</span> <span class="nx">collect</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">arr</span><span class="p">){</span>
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<span class="nx">arr</span><span class="p">.</span><span class="nx">forEach</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">parameter</span><span class="p">){</span></pre></div> </td> </tr> <tr id="section-4"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-4">¶</a> </div> <p>console.log('parameter', parameter)</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">info</span><span class="p">[</span><span class="nx">parameter</span><span class="p">]</span> <span class="o">=</span> <span class="nx">gl</span><span class="p">.</span><span class="nx">getParameter</span><span class="p">(</span><span class="nx">gl</span><span class="p">[</span><span class="nx">parameter</span><span class="p">])</span>
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<span class="p">})</span>
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<span class="p">}</span>
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<span class="nx">collect</span><span class="p">(</span><span class="nx">prout</span><span class="p">);</span>
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<span class="nx">collect</span><span class="p">(</span><span class="nx">pixDepth</span><span class="p">);</span>
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<span class="nx">collect</span><span class="p">(</span><span class="nx">slota</span><span class="p">);</span>
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<span class="nx">collect</span><span class="p">(</span><span class="nx">sloti</span><span class="p">)</span>
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</pre></div> </td> </tr> <tr id="section-5"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-5">¶</a> </div> <p>special case to get the extensions</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">info</span><span class="p">[</span><span class="s1">'SUPPORTED_EXTENSIONS'</span><span class="p">]</span> <span class="o">=</span> <span class="nx">gl</span><span class="p">.</span><span class="nx">getSupportedExtensions</span><span class="p">()</span>
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</pre></div> </td> </tr> <tr id="section-6"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-6">¶</a> </div> <p>console.log("info");
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console.dir(info)</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">return</span> <span class="nx">info</span><span class="p">;</span>
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<span class="p">}</span>
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</pre></div> </td> </tr> </tbody> </table> </div> </body> </html>
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