source/backends/opengl/texture2d_backend.h

   1 #ifndef MSP_GL_TEXTURE2D_BACKEND_H_
   2 #define MSP_GL_TEXTURE2D_BACKEND_H_
   3
   4 #include "texture.h"
   5
   6 namespace Msp {
   7 namespace GL {
   8
   9 class Buffer;
  10
  11 class OpenGLTexture2D: public Texture
  12 {
  13 protected:
  14         class AsyncTransfer: public NonCopyable
  15         {
  16         protected:
  17                 Buffer *pixel_buffer = 0;
  18
  19                 AsyncTransfer() = default;
  20                 AsyncTransfer(AsyncTransfer &&);
  21                 AsyncTransfer &operator=(AsyncTransfer &&);
  22                 ~AsyncTransfer();
  23
  24                 void *allocate();
  25                 void finalize();
  26         };
  27
  28         OpenGLTexture2D();
  29
  30         void allocate();
  31         void sub_image(unsigned, int, int, unsigned, unsigned, const void *);
  32
  33 public:
  34         virtual std::size_t get_data_size() const;
  35         virtual void unload();
  36 };
  37
  38 using Texture2DBackend = OpenGLTexture2D;
  39
  40 } // namespace GL
  41 } // namespace Msp
  42
  43 #endif