diff --git a/cfg/opengl.cfg b/cfg/opengl.cfg
index dca1534fe..46d5f315f 100644
--- a/cfg/opengl.cfg
+++ b/cfg/opengl.cfg
@@ -41,6 +41,18 @@
       <not-bool/>
     </arg>
   </function>
+  <!-- https://www.khronos.org/registry/OpenGL-Refpages/gl4/html/glBindTexture.xhtml -->
+  <!-- void glBindTexture( GLenum target, GLuint texture); -->
+  <function name="glBindTexture">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="2" direction="in">
+      <not-uninit/>
+    </arg>
+  </function>
   <!-- https://www.khronos.org/registry/OpenGL-Refpages/gl2.1/xhtml/glClear.xml -->
   <!-- void glClear( GLbitfield mask ); -->
   <function name="glClear">
@@ -153,6 +165,23 @@
     <noreturn>false</noreturn>
     <returnValue type="void"/>
   </function>
+  <!-- https://www.khronos.org/registry/OpenGL-Refpages/gl2.1/xhtml/glGet.xml -->
+  <!-- void glGetBooleanv( GLenum pname, GLboolean * params); -->
+  <!-- void glGetDoublev( GLenum pname, GLdouble * params); -->
+  <!-- void glGetFloatv( GLenum pname, GLfloat * params); -->
+  <!-- void glGetIntegerv( GLenum pname, GLint * params); -->
+  <function name="glGetBooleanv,glGetDoublev,glGetFloatv,glGetIntegerv">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <leak-ignore/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="2" direction="out">
+      <not-null/>
+      <not-bool/>
+    </arg>
+  </function>
   <!-- https://www.khronos.org/registry/OpenGL-Refpages/gl2.1/xhtml/glIsEnabled.xml -->
   <!-- GLboolean glIsEnabled( GLenum cap ); -->
   <function name="glIsEnabled">
@@ -164,6 +193,16 @@
       <not-bool/>
     </arg>
   </function>
+  <!-- https://www.khronos.org/registry/OpenGL-Refpages/gl2.1/xhtml/glMatrixMode.xml -->
+  <!-- void glMatrixMode( GLenum mode); -->
+  <function name="glMatrixMode">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+      <not-bool/>
+    </arg>
+  </function>
   <!-- https://www.khronos.org/registry/OpenGL-Refpages/gl2.1/xhtml/glNormal.xml -->
   <!-- void glNormal3b( GLbyte nx, GLbyte ny, GLbyte nz ); -->
   <!-- void glNormal3d( GLdouble nx, GLdouble ny, GLdouble nz ); -->
@@ -201,6 +240,18 @@
       <not-bool/>
     </arg>
   </function>
+  <!-- https://www.khronos.org/registry/OpenGL-Refpages/gl2.1/xhtml/glPushMatrix.xml -->
+  <!-- void glPopMatrix( void); -->
+  <function name="glPopMatrix">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+  </function>
+  <!-- https://www.khronos.org/registry/OpenGL-Refpages/gl2.1/xhtml/glPushMatrix.xml -->
+  <!-- void glPushMatrix( void); -->
+  <function name="glPushMatrix">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+  </function>
   <!-- https://www.khronos.org/registry/OpenGL-Refpages/gl2.1/xhtml/glRotate.xml -->
   <!-- void glRotated( GLdouble angle, GLdouble x, GLdouble y, GLdouble z ); -->
   <!-- void glRotatef( GLfloat angle, GLfloat x, GLfloat y, GLfloat z ); -->
@@ -312,6 +363,66 @@
       <not-bool/>
     </arg>
   </function>
+  <!-- https://www.khronos.org/registry/OpenGL-Refpages/gl4/html/glTexParameter.xhtml -->
+  <!-- void glTexParameterf( GLenum target, GLenum pname, GLfloat param); -->
+  <!-- void glTexParameteri( GLenum target, GLenum pname, GLint param); -->
+  <!-- void glTextureParameterf( GLuint texture, GLenum pname, GLfloat param); -->
+  <!-- void glTextureParameteri( GLuint texture, GLenum pname, GLint param); -->
+  <function name="glTexParameterf,glTexParameteri,glTextureParameterf,glTextureParameteri">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <leak-ignore/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="2" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="3" direction="in">
+      <not-uninit/>
+    </arg>
+  </function>
+  <!-- https://www.khronos.org/registry/OpenGL-Refpages/gl4/html/glTexParameter.xhtml -->
+  <!-- void glTexParameterfv( GLenum target, GLenum pname, const GLfloat * params); -->
+  <!-- void glTexParameteriv( GLenum target, GLenum pname, const GLint * params); -->
+  <!-- void glTexParameterIiv( GLenum target, GLenum pname, const GLint * params); -->
+  <!-- void glTexParameterIuiv( GLenum target, GLenum pname, const GLuint * params); -->
+  <!-- void glTextureParameterfv( GLuint texture, GLenum pname, const GLfloat *params); -->
+  <!-- void glTextureParameteriv( GLuint texture, GLenum pname, const GLint *params); -->
+  <!-- void glTextureParameterIiv( GLuint texture, GLenum pname, const GLint *params); -->
+  <!-- void glTextureParameterIuiv( GLuint texture, GLenum pname, const GLuint *params); -->
+  <function name="glTexParameterfv,glTexParameteriv,glTexParameterIiv,glTexParameterIuiv,glTextureParameterfv,glTextureParameteriv,glTextureParameterIiv,glTextureParameterIuiv">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <leak-ignore/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="2" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="3" direction="in">
+      <not-null/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <!-- https://www.khronos.org/registry/OpenGL-Refpages/gl2.1/xhtml/glTranslate.xml -->
+  <!-- void glTranslated( GLdouble x, GLdouble y, GLdouble z); -->
+  <!-- void glTranslatef( GLfloat x, GLfloat y, GLfloat z); -->
+  <function name="glTranslated,glTranslatef">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <leak-ignore/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="2" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="3" direction="in">
+      <not-uninit/>
+    </arg>
+  </function>
   <!-- https://www.khronos.org/registry/OpenGL-Refpages/gl2.1/xhtml/glVertex.xml -->
   <!-- void glVertex2s( GLshort x, GLshort y ); -->
   <!-- void glVertex2i( GLint x, GLint y ); -->