gcc/testsuite/g++.dg/graphite/pr42930.C

   1 /* { dg-options "-O1 -floop-block" } */
   2
   3 typedef unsigned char byte;
   4 typedef unsigned int uint;
   5 typedef unsigned char uint8;
   6 namespace Common {
   7 class NonCopyable {
   8 };
   9 template<class In, class Out>
  10 Out copy(In first, In last, Out dst) {
  11  while (first != last)
  12   *dst++ = *first++;
  13 }
  14 template<class T>
  15 class Array {
  16  uint _size;
  17  T *_storage;
  18 public:
  19  Array<T>& operator=(const Array<T> &array) {
  20   copy(array._storage, array._storage + _size, _storage);
  21  }
  22 };
  23 }
  24 namespace Graphics {
  25 struct PixelFormat {
  26  inline PixelFormat() {
  27  }
  28  inline PixelFormat(byte BytesPerPixel,
  29       byte RBits, byte GBits, byte BBits, byte ABits,
  30       byte RShift, byte GShift, byte BShift, byte AShift) {
  31  }
  32 };
  33 };
  34 namespace Cine {
  35 static const Graphics::PixelFormat kLowPalFormat(2, 3, 3, 3, 0, 8, 4, 0, 0);
  36 class Palette {
  37 public:
  38  struct Color {
  39   uint8 r, g, b;
  40  };
  41  Palette(const Graphics::PixelFormat format = Graphics::PixelFormat(), const uint numColors = 0);
  42  bool empty() const;
  43  bool isValid() const;
  44  Common::Array<Color> _colors;
  45 };
  46 class FWRenderer : public Common::NonCopyable {
  47  Cine::Palette _activePal;
  48  void drawCommand();
  49 };
  50 void FWRenderer::drawCommand() {
  51  if (!_activePal.isValid() || _activePal.empty()) {
  52   _activePal = Cine::Palette(kLowPalFormat, 16);
  53  }
  54 }
  55 }