removes invalid glReadBuffer calls

bosvensson1 · robertosfield · commit ecaca716e9a9 · 2021-10-08T10:49:01.000+01:00
diff --git a/src/osgUtil/RenderStage.cpp b/src/osgUtil/RenderStage.cpp
@@ -519,9 +519,7 @@ void RenderStage::runCameraSetUp(osg::RenderInfo& renderInfo)
             {
             #if !defined(OSG_GLES1_AVAILABLE) && !defined(OSG_GLES2_AVAILABLE) && !defined(OSG_GLES3_AVAILABLE)
                 setDrawBuffer( GL_NONE, true );
-                setReadBuffer( GL_NONE, true );
                 state.glDrawBuffer( GL_NONE );
-                state.glReadBuffer( GL_NONE );
             #endif
             }
 

Original file line number	Diff line number	Diff line change
`@@ -519,9 +519,7 @@ void RenderStage::runCameraSetUp(osg::RenderInfo& renderInfo)`
`519`	`519`	`{`
`520`	`520`	`#if !defined(OSG_GLES1_AVAILABLE) && !defined(OSG_GLES2_AVAILABLE) && !defined(OSG_GLES3_AVAILABLE)`
`521`	`521`	`setDrawBuffer( GL_NONE, true );`
`522`		`- setReadBuffer( GL_NONE, true );`
`523`	`522`	`state.glDrawBuffer( GL_NONE );`
`524`		`- state.glReadBuffer( GL_NONE );`
`525`	`523`	`#endif`
`526`	`524`	`}`
`527`	`525`