message: Always display all 4 components of output from shader in pixel history
  * This means the alpha that was output (and maybe used for blending) is
  displayed even when the target texture doesn't have an alpha component.
diff: @@ -300,7 +300,7 @@ public:
  return tr("No Pixel\nShader\nBound");
  if(mod.directShaderWrite)
  return tr("Tex Before\n\n") + modString(mod.preMod);
  - return tr("Shader Out\n\n") + modString(mod.shaderOut);
  + return tr("Shader Out\n\n") + modString(mod.shaderOut, 4);
  }
  }
  @@ -485,12 +485,15 @@ private:
  return QBrush(QColor::fromRgb((int)(255.0f * r), (int)(255.0f * g), (int)(255.0f * b)));
  }
  - QString modString(const ModificationValue &val) const
  + QString modString(const ModificationValue &val, int forceComps = 0) const
  {
  QString s;
  int numComps = (int)(m_Tex->format.compCount);
  + if(forceComps > 0)
  + numComps = forceComps;
  +
  static const QString colourLetterPrefix[] = {lit("R: "), lit("G: "), lit("B: "), lit("A: ")};
  if(!m_IsDepth)
  