Add EXT_framebuffer_blit and EXT_framebuffer_multisample

[libs/gl.git] / source / renderbuffer.cpp

diff --git a/source/renderbuffer.cpp b/source/renderbuffer.cpp
index 49e0b74fbebdc908aa238eaedf6e2c0238ccf237..bd37aeea2bc59b460bbf17d4ecc32351bdfbe8dd 100644 (file)
--- a/source/renderbuffer.cpp
+++ b/source/renderbuffer.cpp
@@ -1,11 +1,12 @@
 /* $Id$
 
 This file is part of libmspgl
-Copyright © 2007  Mikko Rasa, Mikkosoft Productions
+Copyright © 2007-2011  Mikko Rasa, Mikkosoft Productions
 Distributed under the LGPL
 */
 
 #include "extension.h"
+#include "ext_framebuffer_multisample.h"
 #include "ext_framebuffer_object.h"
 #include "renderbuffer.h"
 
@@ -14,10 +15,9 @@ namespace GL {
 
 Renderbuffer::Renderbuffer()
 {
-       require_extension("GL_EXT_framebuffer_object");
+       static RequireExtension _ext("GL_EXT_framebuffer_object");
 
        glGenRenderbuffersEXT(1, &id);
-       bind();
 }
 
 Renderbuffer::~Renderbuffer()
@@ -25,15 +25,34 @@ Renderbuffer::~Renderbuffer()
        glDeleteRenderbuffersEXT(1, &id);
 }
 
+void Renderbuffer::storage(PixelFormat fmt, unsigned w, unsigned h)
+{
+       Bind _bind(this, true);
+       width = w;
+       height = h;
+       glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, fmt, width, height);
+}
+
+void Renderbuffer::storage_multisample(unsigned samples, PixelFormat fmt, unsigned w, unsigned h)
+{
+       static RequireExtension _ext("GL_EXT_framebuffer_multisample");
+
+       Bind _bind(this, true);
+       width = w;
+       height = h;
+       glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER_EXT, samples, fmt, width, height);
+}
+
 void Renderbuffer::bind() const
 {
-       glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, id);
+       if(set_current(this))
+               glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, id);
 }
 
-void Renderbuffer::storage(PixelFormat fmt, sizei width, sizei height)
+void Renderbuffer::unbind()
 {
-       bind();
-       glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, fmt, width, height);
+       if(set_current(0))
+               glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0);
 }
 
 } // namespace GL