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<title>Castle Game Engine: Castle3D: record TRenderStatistics</title>
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<h2>Castle Game Engine</h2><p><a href="introduction.html" class="navigation">Introduction</a></p><p><a href="AllUnits.html" class="navigation">Units</a></p><p><a href="ClassHierarchy.html" class="navigation">Class Hierarchy</a></p><p><a href="AllClasses.html" class="navigation">Classes, Interfaces, Objects and Records</a></p><p><a href="AllTypes.html" class="navigation">Types</a></p><p><a href="AllVariables.html" class="navigation">Variables</a></p><p><a href="AllConstants.html" class="navigation">Constants</a></p><p><a href="AllFunctions.html" class="navigation">Functions and Procedures</a></p><p><a href="AllIdentifiers.html" class="navigation">Identifiers</a></p></td><td class="content">
<a name="TRenderStatistics"></a><h1 class="cio">record TRenderStatistics</h1>
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<td><a class="section" href="#PasDoc-Description">Description</a></td><td>Hierarchy</td><td><a class="section" href="#PasDoc-Fields">Fields</a></td><td>Methods</td><td>Properties</td></tr></table>
<a name="PasDoc-Description"></a><h2 class="unit">Unit</h2>
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<a href="Castle3D.html">Castle3D</a></p>
<h2 class="declaration">Declaration</h2>
<p class="declaration">
<code>type TRenderStatistics = record</code></p>
<h2 class="description">Description</h2>
<p>
Statistics about what was rendered during last frame. You will usually access this by scene manager property, see <a class="normal" href="CastleSceneManager.TCastleAbstractViewport.html#Statistics">TCastleAbstractViewport.Statistics</a>.</p>
<h2 class="overview">Overview</h2>
<a name="PasDoc-Fields"></a><h3 class="summary">Fields</h3>
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<td class="itemcode"><code><b><a href="Castle3D.TRenderStatistics.html#ShapesRendered">ShapesRendered</a></b>: Cardinal;</code></td>
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<td class="itemcode"><code><b><a href="Castle3D.TRenderStatistics.html#ShapesVisible">ShapesVisible</a></b>: Cardinal;</code></td>
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<td class="itemcode"><code><b><a href="Castle3D.TRenderStatistics.html#BoxesOcclusionQueriedCount">BoxesOcclusionQueriedCount</a></b>: Cardinal;</code></td>
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<h2 class="description">Description</h2>
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<td class="itemcode"><a name="ShapesRendered"></a><code><b>ShapesRendered</b>: Cardinal;</code></td>
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<p>
How many shapes were rendered (send to OpenGL) versus all shapes that were potentially visible. Potentially visible shapes are the ones with <a class="normal" href="CastleShapes.TShape.html#Visible">TShape.Visible</a> inside a 3D object with <a class="normal" href="Castle3D.T3D.html#GetExists">T3D.GetExists</a>.
<p>When <code>ShapesRendered</code> is much smaller than <a class="normal" href="Castle3D.TRenderStatistics.html#ShapesVisible">ShapesVisible</a>, it means that the algorithm for removing invisible scene parts works good. This includes frustum culling (automatically used by <a class="normal" href="CastleScene.TCastleScene.html">TCastleScene</a>), or occlusion culling (see <a class="normal" href="CastleScene.TSceneRenderingAttributes.html#UseOcclusionQuery">TSceneRenderingAttributes.UseOcclusionQuery</a>), or any custom algorithm you implement by using <a class="normal" href="CastleShapes.html#TTestShapeVisibility">TTestShapeVisibility</a> callback with <a class="normal" href="CastleScene.TCastleScene.html#Render">TCastleScene.Render</a>.</p>
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<td class="itemcode"><a name="ShapesVisible"></a><code><b>ShapesVisible</b>: Cardinal;</code></td>
</tr>
<tr><td colspan="1">
<p>
How many shapes were rendered (send to OpenGL) versus all shapes that were potentially visible. Potentially visible shapes are the ones with <a class="normal" href="CastleShapes.TShape.html#Visible">TShape.Visible</a> inside a 3D object with <a class="normal" href="Castle3D.T3D.html#GetExists">T3D.GetExists</a>.
<p>When <a class="normal" href="Castle3D.TRenderStatistics.html#ShapesRendered">ShapesRendered</a> is much smaller than <code>ShapesVisible</code>, it means that the algorithm for removing invisible scene parts works good. This includes frustum culling (automatically used by <a class="normal" href="CastleScene.TCastleScene.html">TCastleScene</a>), or occlusion culling (see <a class="normal" href="CastleScene.TSceneRenderingAttributes.html#UseOcclusionQuery">TSceneRenderingAttributes.UseOcclusionQuery</a>), or any custom algorithm you implement by using <a class="normal" href="CastleShapes.html#TTestShapeVisibility">TTestShapeVisibility</a> callback with <a class="normal" href="CastleScene.TCastleScene.html#Render">TCastleScene.Render</a>.</p>
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<tr class="list">
<td class="itemcode"><a name="BoxesOcclusionQueriedCount"></a><code><b>BoxesOcclusionQueriedCount</b>: Cardinal;</code></td>
</tr>
<tr><td colspan="1">
<p>
The number of shapes that were not rendered, but their bounding box was rendered to check with occlusion query. This is always zero when not using occlusion query (see <a class="normal" href="CastleScene.TSceneRenderingAttributes.html#UseOcclusionQuery">TSceneRenderingAttributes.UseOcclusionQuery</a>). Basically, this measures the "invisible overhead" of occlusion query.</p>
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