source/renderbuffer.cpp

   1 #include "extension.h"
   2 #include "ext_framebuffer_multisample.h"
   3 #include "ext_framebuffer_object.h"
   4 #include "renderbuffer.h"
   5
   6 namespace Msp {
   7 namespace GL {
   8
   9 Renderbuffer::Renderbuffer()
  10 {
  11         static RequireExtension _ext("GL_EXT_framebuffer_object");
  12
  13         glGenRenderbuffersEXT(1, &id);
  14 }
  15
  16 Renderbuffer::~Renderbuffer()
  17 {
  18         glDeleteRenderbuffersEXT(1, &id);
  19 }
  20
  21 void Renderbuffer::storage(PixelFormat fmt, unsigned wd, unsigned ht)
  22 {
  23         Bind _bind(this, true);
  24         width = wd;
  25         height = ht;
  26         glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, fmt, width, height);
  27 }
  28
  29 void Renderbuffer::storage_multisample(unsigned samples, PixelFormat fmt, unsigned wd, unsigned ht)
  30 {
  31         static RequireExtension _ext("GL_EXT_framebuffer_multisample");
  32
  33         Bind _bind(this, true);
  34         width = wd;
  35         height = ht;
  36         glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER_EXT, samples, fmt, width, height);
  37 }
  38
  39 void Renderbuffer::bind() const
  40 {
  41         if(set_current(this))
  42                 glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, id);
  43 }
  44
  45 void Renderbuffer::unbind()
  46 {
  47         if(set_current(0))
  48                 glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0);
  49 }
  50
  51 } // namespace GL
  52 } // namespace Msp