From: kgv <kgv@opencascade.com>
Date: Sun, 20 Oct 2019 11:13:46 +0000 (+0300)
Subject: 0031088: Visualization - GL_INVALID_ENUM while dumping view within OpenGL 1.1
X-Git-Tag: V7_5_0_beta~369
X-Git-Url: http://git.dev.opencascade.org/gitweb/?a=commitdiff_plain;h=97e0059b05fe5b476a6a0e353eacf286c58e9dab;p=occt-copy.git

0031088: Visualization - GL_INVALID_ENUM while dumping view within OpenGL 1.1

OpenGl_Sampler::resetGlobalTextureParams() - added missing version check before disabling GL_POINT_SPRITE.
---

diff --git a/src/OpenGl/OpenGl_Sampler.cxx b/src/OpenGl/OpenGl_Sampler.cxx
index 24b69b65fa..54c1e25f07 100644
--- a/src/OpenGl/OpenGl_Sampler.cxx
+++ b/src/OpenGl/OpenGl_Sampler.cxx
@@ -418,7 +418,8 @@ void OpenGl_Sampler::resetGlobalTextureParams (const Handle(OpenGl_Context)& the
       {
         theCtx->core11fwd->glDisable (GL_TEXTURE_GEN_S);
         theCtx->core11fwd->glDisable (GL_TEXTURE_GEN_T);
-        if (theParams->GenMode() == Graphic3d_TOTM_SPRITE)
+        if (theParams->GenMode() == Graphic3d_TOTM_SPRITE
+         && theCtx->core20fwd != NULL)
         {
           theCtx->core11fwd->glDisable (GL_POINT_SPRITE);
         }