message: [GL backend] fix sampler binding bug
  When a program had an unused SamplerInterfaceBlock, other samplers
  could be bound to the wrong TMU
  Fixes
diff: @@ -273,6 +273,7 @@ void OpenGLProgram::updateSamplers(OpenGLDriver* gld) noexcept {
  BlockInfo blockInfo = blockInfos[i];
  HwSamplerGroup const * const UTILS_RESTRICT hwsb = samplerBindings[blockInfo.binding];
  if (UTILS_UNLIKELY(!hwsb)) {
  + tmu += blockInfo.count + 1;
  continue;
  }
  SamplerGroup const& UTILS_RESTRICT sb = *(hwsb->sb);
  