source/core/texture2dmultisample.cpp

   1 #include "deviceinfo.h"
   2 #include "error.h"
   3 #include "texture2dmultisample.h"
   4
   5 using namespace std;
   6
   7 namespace Msp {
   8 namespace GL {
   9
  10 void Texture2DMultisample::storage(PixelFormat fmt, unsigned wd, unsigned ht, unsigned sm)
  11 {
  12         if(width>0)
  13         {
  14                 if(fmt!=format || wd!=width || ht!=height || sm!=samples)
  15                         throw incompatible_data("Texture2DMultisample::storage");
  16                 return;
  17         }
  18         if(wd==0 || ht==0)
  19                 throw invalid_argument("Texture2DMultisample::storage");
  20         if(!sm || sm>DeviceInfo::get_global().limits.max_samples)
  21                 throw invalid_argument("Texture2DMultisample::storage");
  22
  23         set_format(fmt);
  24         width = wd;
  25         height = ht;
  26         samples = sm;
  27
  28         allocate();
  29 }
  30
  31 void Texture2DMultisample::image(const Graphics::Image &, unsigned)
  32 {
  33         throw invalid_operation("Texture2DMultisample::image");
  34 }
  35
  36 uint64_t Texture2DMultisample::get_data_size() const
  37 {
  38         return id ? width*height*get_pixel_size(format)*samples : 0;
  39 }
  40
  41 } // namespace GL
  42 } // namespace Msp