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 Texture2DMultisample::Texture2DMultisample():
  11         width(0),
  12         height(0)
  13 { }
  14
  15 void Texture2DMultisample::storage(PixelFormat fmt, unsigned wd, unsigned ht, unsigned sm)
  16 {
  17         if(width>0)
  18         {
  19                 if(fmt!=format || wd!=width || ht!=height || sm!=samples)
  20                         throw incompatible_data("Texture2DMultisample::storage");
  21                 return;
  22         }
  23         if(wd==0 || ht==0)
  24                 throw invalid_argument("Texture2DMultisample::storage");
  25         if(!sm || sm>DeviceInfo::get_global().limits.max_samples)
  26                 throw invalid_argument("Texture2DMultisample::storage");
  27
  28         set_format(fmt);
  29         width = wd;
  30         height = ht;
  31         samples = sm;
  32
  33         allocate();
  34 }
  35
  36 void Texture2DMultisample::image(const Graphics::Image &, unsigned)
  37 {
  38         throw invalid_operation("Texture2DMultisample::image");
  39 }
  40
  41 uint64_t Texture2DMultisample::get_data_size() const
  42 {
  43         return id ? width*height*get_pixel_size(format)*samples : 0;
  44 }
  45
  46 } // namespace GL
  47 } // namespace Msp