+++ /dev/null
-/* $Id$
-
-This file is part of libmspgl
-Copyright © 2007 Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
-#include "arb_vertex_buffer_object.h"
-#include "extension.h"
-#include "buffer.h"
-
-namespace Msp {
-namespace GL {
-
-Buffer::Buffer(BufferType t):
- type(t),
- usage(STATIC_DRAW)
-{
- static RequireExtension _req_vbo("GL_ARB_vertex_buffer_object");
- if(type==PIXEL_PACK_BUFFER || type==PIXEL_UNPACK_BUFFER)
- static RequireExtension _req_pbo("GL_ARB_pixel_buffer_object");
-
- glGenBuffersARB(1, &id);
-}
-
-Buffer::~Buffer()
-{
- glDeleteBuffersARB(1, &id);
-}
-
-void Buffer::bind(BufferType t) const
-{
- glBindBufferARB(t, id);
- binding(t)=this;
-}
-
-void Buffer::maybe_bind() const
-{
- if(binding(type)!=this)
- bind();
-}
-
-void Buffer::set_usage(BufferUsage u)
-{
- usage=u;
-}
-
-void Buffer::data(unsigned size, const void *d)
-{
- maybe_bind();
- glBufferDataARB(type, size, d, usage);
-}
-
-void Buffer::sub_data(unsigned offset, unsigned size, const void *d)
-{
- maybe_bind();
- glBufferSubDataARB(type, offset, size, d);
-}
-
-void Buffer::unbind(BufferType type)
-{
- const Buffer *&ptr=binding(type);
- if(ptr)
- {
- glBindBufferARB(type, 0);
- ptr=0;
- }
-}
-
-const Buffer *&Buffer::binding(BufferType type)
-{
- switch(type)
- {
- case ARRAY_BUFFER: return bound[0];
- case ELEMENT_ARRAY_BUFFER: return bound[1];
- case PIXEL_PACK_BUFFER: return bound[2];
- case PIXEL_UNPACK_BUFFER: return bound[3];
- default: throw InvalidParameterValue("Invalid buffer type");
- }
-}
-
-const Buffer *Buffer::bound[4]={ 0, 0, 0, 0 };
-
-} // namespace GL
-} // namespace Msp