Rewrite Framebuffer to defer attach/detach operations until bound

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

diff --git a/source/renderbuffer.cpp b/source/renderbuffer.cpp
index 31a623ea617a179500c1cc821ffc232134d2ce09..95cf56b8a06f49a8dcb0984936a5f86bc11fc405 100644 (file)
--- a/source/renderbuffer.cpp
+++ b/source/renderbuffer.cpp
@@ -25,18 +25,25 @@ Renderbuffer::~Renderbuffer()
        glDeleteRenderbuffersEXT(1, &id);
 }
 
-void Renderbuffer::bind() const
-{
-       glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, id);
-}
-
 void Renderbuffer::storage(PixelFormat fmt, unsigned w, unsigned h)
 {
-       bind();
+       Bind _bind(this, true);
        width = w;
        height = h;
        glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, fmt, width, height);
 }
 
+void Renderbuffer::bind() const
+{
+       if(set_current(this))
+               glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, id);
+}
+
+void Renderbuffer::unbind()
+{
+       if(set_current(0))
+               glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0);
+}
+
 } // namespace GL
 } // namespace Msp