vcl: OpenGL texture creation debug.

Change-Id: I6a21c89329d9e9396ed16ce58b184339719adab7

vcl/opengl/texture.cxx

@@ -41,6 +41,8 @@ ImplOpenGLTexture::ImplOpenGLTexture( int nWidth, int nHeight, bool bAllocate )
         glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, nWidth, nHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL );
     glBindTexture( GL_TEXTURE_2D, 0 );
 
+    SAL_INFO( "vcl.opengl", "OpenGLTexture " << mnTexture << " " << nWidth << "x" << nHeight << " allocate" );
+
     CHECK_GL_ERROR();
 }
 
@@ -65,6 +67,8 @@ ImplOpenGLTexture::ImplOpenGLTexture( int nX, int nY, int nWidth, int nHeight )
     CHECK_GL_ERROR();
     glBindTexture( GL_TEXTURE_2D, 0 );
 
+    SAL_INFO( "vcl.opengl", "OpenGLTexture " << mnTexture << " " << nWidth << "x" << nHeight << " from x" << nX << ", y" << nY );
+
     CHECK_GL_ERROR();
 }
 
@@ -87,6 +91,8 @@ ImplOpenGLTexture::ImplOpenGLTexture( int nWidth, int nHeight, int nFormat, int
     glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, mnWidth, mnHeight, 0, nFormat, nType, pData );
     glBindTexture( GL_TEXTURE_2D, 0 );
 
+    SAL_INFO( "vcl.opengl", "OpenGLTexture " << mnTexture << " " << nWidth << "x" << nHeight << " from data" );
+
     CHECK_GL_ERROR();
 }