tdf#108299: Limit the width and height of opengl bitmap to...

GL_MAX_TEXTURE_SIZE in OpenGLSalBitmap::Create()

Change-Id: I3d9538cc8004241972bc63d09eeb2914ce511df6
Reviewed-on: https://gerrit.libreoffice.org/42194Reviewed-by: Michael Meeks <michael.meeks@collabora.com>
Tested-by: Jenkins <ci@libreoffice.org>

vcl/opengl/salbmp.cxx

@@ -124,6 +124,20 @@ bool OpenGLSalBitmap::Create( const OpenGLTexture& rTex, long nX, long nY, long
     VCL_GL_INFO( "OpenGLSalBitmap::Create from FBO: ["
                   << nX << ", " << nY << "] " << nWidth << "x" << nHeight );
 
+    GLint nMaxTextureSize;
+    glGetIntegerv( GL_MAX_TEXTURE_SIZE, &nMaxTextureSize );
+    if ( nWidth > nMaxTextureSize )
+    {
+        nWidth = nMaxTextureSize;
+        VCL_GL_INFO( "Width limited to " << nMaxTextureSize );
+    }
+
+    if ( nHeight > nMaxTextureSize )
+    {
+        nHeight = nMaxTextureSize;
+        VCL_GL_INFO( "Height limited to " << nMaxTextureSize );
+    }
+
     mnWidth = nWidth;
     mnHeight = nHeight;