message: When creating SPIR-V bindpoint mapping ensure we cover all attrib binds
diff: @@ -2667,6 +2667,19 @@ void EvaluateSPIRVBindpointMapping(GLuint curProg, int shadIdx, const ShaderRefl
  if(mapping.inputAttributes[i] < 0)
  mapping.inputAttributes[i] = -1;
  + // ensure the mapping contains a value for all valid vertex attribs, even if it doesn't use them.
  + GLint numVAttribBindings = 16;
  + GL.glGetIntegerv(eGL_MAX_VERTEX_ATTRIBS, &numVAttribBindings);
  +
  + // if more vertex attribs exist, resize and set them all to -1
  + if(numVAttribBindings > mapping.inputAttributes.count())
  + {
  + size_t prevSize = mapping.inputAttributes.size();
  + mapping.inputAttributes.resize(numVAttribBindings);
  + for(size_t i = prevSize; i < mapping.inputAttributes.size(); i++)
  + mapping.inputAttributes[i] = -1;
  + }
  +
  #if ENABLED(RDOC_DEVEL)
  for(size_t i = 1; i < ARRAY_COUNT(dummyReadback); i++)
  if(dummyReadback[i] != 0x6c7b8a9d)
  