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<?xml-stylesheet type="text/xsl" href="https://community.arm.com/utility/feedstylesheets/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/"><channel><title>olekhabiter7's Activities</title><link>https://community.arm.com/members/olekhabiter7</link><description>olekhabiter7's recent activity</description><dc:language>en-US</dc:language><generator>Telligent Community 10</generator><item><title>Setting up OpenGL for left-handed coordinates</title><link>https://community.arm.com/developer/tools-software/graphics/f/discussions/47596/setting-up-opengl-for-left-handed-coordinates</link><pubDate>Tue, 08 Sep 2020 08:31:43 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:a9353065-c84d-4f13-aef6-a4c3ba976597</guid><dc:creator>olekhabiter7</dc:creator><description>&lt;div class="_3xX726aBn29LDbsDtzr_6E _1Ap4F5maDtT1E1YuCiaO0r D3IL3FD0RFy_mkKLPwL4"&gt;
&lt;div class="_292iotee39Lmt0MkQZ2hPV RichTextJSON-root"&gt;
&lt;p class="_1qeIAgB0cPwnLhDF9XSiJM"&gt;I am in process of writing my own math library and chose to follow a left-handed coordinate system approach because I find it more intuitive.&lt;/p&gt;
&lt;p class="_1qeIAgB0cPwnLhDF9XSiJM"&gt;I have read that on modern OpenGL the right-handed convention is something we can do away with thanks to our providing our own matrices.&lt;/p&gt;
&lt;p class="_1qeIAgB0cPwnLhDF9XSiJM"&gt;I have read that they are a few things one needs to do to ensure OpenGL behaves well in left-handed mode:&lt;/p&gt;
&lt;ol class="_1eJr7K139jnMstd4HajqYP"&gt;
&lt;li class="_3gqTEjt4x9UIIpWiro7YXz"&gt;
&lt;p class="_1qeIAgB0cPwnLhDF9XSiJM"&gt;provide your MVP matrices as left-handed matrices&lt;/p&gt;
&lt;/li&gt;
&lt;li class="_3gqTEjt4x9UIIpWiro7YXz"&gt;
&lt;p class="_1qeIAgB0cPwnLhDF9XSiJM"&gt;modify the default winding of front facing triangles to be clockwise with glFrontFace(GL_CW)&lt;/p&gt;
&lt;/li&gt;
&lt;li class="_3gqTEjt4x9UIIpWiro7YXz"&gt;
&lt;p class="_1qeIAgB0cPwnLhDF9XSiJM"&gt;modify the depth function to greater with glDepthFunc(GL_GEQUAL)&lt;/p&gt;
&lt;/li&gt;
&lt;/ol&gt;
&lt;p class="_1qeIAgB0cPwnLhDF9XSiJM"&gt;I wanted to know if anyone out there had any thoughts about these suggestions. Are they pertinent, sufficient?&lt;/p&gt;
&lt;/div&gt;
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