source/renderbuffer.cpp

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