OffscreenRenderTargets.hh

 
#ifndef GRAMODS_GRAPHICS_OFFSCREENRENDERTARGETS
#define GRAMODS_GRAPHICS_OFFSCREENRENDERTARGETS
 
#include <gmGraphics/config.hh>
#include <gmCore/io_size.hh>
 
#include <GL/glew.h>
#include <GL/gl.h>
 
#include <memory>
 
BEGIN_NAMESPACE_GMGRAPHICS;
 
class OffscreenRenderTargets {
 
public:
 
  OffscreenRenderTargets();
  virtual ~OffscreenRenderTargets();
 
  void setUsePowersOfTwo(bool on);
 
  bool getUsePowersOfTwo();
 
  void setLinearInterpolation(bool on);
 
  void setPixelFormat(GLenum format);
 
  GLenum getPixelFormat();
 
  void getTextureSize(size_t &width, size_t &height, size_t idx = 0);
 
  bool init(size_t count = 1);
 
  void push();
 
  void pop();
 
  void bind(gmCore::size2 res, size_t idx = 0);
 
  void bind(size_t width = 0, size_t height = 0, size_t idx = 0);
 
  GLuint getTexId(size_t idx = 0);
 
private:
 
  struct Impl;
  std::unique_ptr<Impl> _impl;
 
};
 
END_NAMESPACE_GMGRAPHICS;
 
#endif