From: kgv <kgv@opencascade.com>
Date: Thu, 2 Apr 2015 16:06:57 +0000 (+0300)
Subject: 0026012: Visualization, TKOpenGl - fix misprints in detection of high precision float... 
X-Git-Tag: V6_9_0_beta1~40
X-Git-Url: http://git.dev.opencascade.org/gitweb/?a=commitdiff_plain;h=447c4115766e848803e15ede40d3de9d0ea71738;p=occt-copy.git

0026012: Visualization, TKOpenGl - fix misprints in detection of high precision floats within OpenGL ES 2.0
---

diff --git a/src/OpenGl/OpenGl_Context.cxx b/src/OpenGl/OpenGl_Context.cxx
index 277e7f6f0d..0cf70394ce 100644
--- a/src/OpenGl/OpenGl_Context.cxx
+++ b/src/OpenGl/OpenGl_Context.cxx
@@ -1051,11 +1051,11 @@ void OpenGl_Context::init (const Standard_Boolean theIsCoreProfile)
     arbFBOBlit = (OpenGl_ArbFBOBlit* )(&(*myFuncs));
   }
 
-  hasHighp = CheckExtension ("OES_fragment_precision_high");
+  hasHighp = CheckExtension ("GL_OES_fragment_precision_high");
   GLint aRange[2] = {0, 0};
-  GLint aPrec [2] = {0, 0};
-  ::glGetShaderPrecisionFormat (GL_FRAGMENT_SHADER, GL_HIGH_FLOAT, aRange, aPrec);
-  if (aPrec[1] != 0)
+  GLint aPrec     = 0;
+  ::glGetShaderPrecisionFormat (GL_FRAGMENT_SHADER, GL_HIGH_FLOAT, aRange, &aPrec);
+  if (aPrec != 0)
   {
     hasHighp = Standard_True;
   }