#include <stdexcept>
-#include "arb_uniform_buffer_object.h"
-#include "arb_vertex_buffer_object.h"
+#include <msp/gl/extensions/arb_pixel_buffer_object.h>
+#include <msp/gl/extensions/arb_uniform_buffer_object.h>
+#include <msp/gl/extensions/arb_vertex_buffer_object.h>
#include "buffer.h"
-#include "extension.h"
+#include "error.h"
+#include "mesh.h"
#include "misc.h"
using namespace std;
{
require_buffer_type(type);
- glGenBuffersARB(1, &id);
+ glGenBuffers(1, &id);
}
Buffer::~Buffer()
{
- glDeleteBuffersARB(1, &id);
+ glDeleteBuffers(1, &id);
}
void Buffer::require_buffer_type(BufferType type)
{
- static RequireExtension _req_vbo("GL_ARB_vertex_buffer_object");
+ static Require _req_vbo(ARB_vertex_buffer_object);
if(type==PIXEL_PACK_BUFFER || type==PIXEL_UNPACK_BUFFER)
- static RequireExtension _req_pbo("GL_ARB_pixel_buffer_object");
+ static Require _req_pbo(ARB_pixel_buffer_object);
else if(type==UNIFORM_BUFFER)
- static RequireExtension _req_ubo("GL_ARB_uniform_buffer_object");
+ static Require _req_ubo(ARB_uniform_buffer_object);
}
void Buffer::set_usage(BufferUsage u)
void Buffer::data(unsigned sz, const void *d)
{
- const Buffer *old = current(type);
- bind();
- glBufferDataARB(type, sz, d, usage);
+ BindRestore _bind(this, type);
+ glBufferData(type, sz, d, usage);
size = sz;
- restore(old, type);
}
void Buffer::sub_data(unsigned off, unsigned sz, const void *d)
{
- const Buffer *old = current(type);
- bind();
- glBufferSubDataARB(type, off, sz, d);
- restore(old, type);
+ BindRestore _bind(this, type);
+ glBufferSubData(type, off, sz, d);
}
BufferRange *Buffer::create_range(unsigned s, unsigned o)
{
if(t!=type)
require_buffer_type(t);
+ if(t==ELEMENT_ARRAY_BUFFER)
+ if(const Mesh *m = Mesh::current())
+ {
+ // Don't change the binding in a mesh's vertex array object
+ if(this==m->get_index_buffer())
+ return;
+ throw invalid_operation("Buffer::bind_to(ELEMENT_ARRAY_BUFFER)");
+ }
if(set_current(t, this))
- glBindBufferARB(t, id);
+ glBindBuffer(t, id);
+}
+
+const Buffer *Buffer::current(BufferType t)
+{
+ if(t==ELEMENT_ARRAY_BUFFER)
+ if(const Mesh *m = Mesh::current())
+ return m->get_index_buffer();
+ return binding(t);
}
void Buffer::unbind_from(BufferType type)
{
+ if(type==ELEMENT_ARRAY_BUFFER && Mesh::current())
+ throw invalid_operation("Buffer::unbind_from(ELEMENT_ARRAY_BUFFER)");
if(set_current(type, 0))
- glBindBufferARB(type, 0);
+ glBindBuffer(type, 0);
}
const Buffer *&Buffer::binding(BufferType type)
return true;
}
-void Buffer::restore(const Buffer *buf, BufferType type)
-{
- if(buf!=current(type))
- {
- if(buf)
- buf->bind_to(type);
- else
- unbind_from(type);
- }
-}
-
vector<const BufferRange *> BufferRange::bound_uniform;
if(type==UNIFORM_BUFFER)
{
if(index>=get_n_uniform_buffer_bindings())
- throw out_of_range("Buffer::binding");
+ throw out_of_range("BufferRange::binding");
if(bound_uniform.size()<=index)
bound_uniform.resize(index+1);
return bound_uniform[index];
}
else
- throw invalid_argument("Buffer::binding");
+ throw invalid_argument("BufferRange::binding");
}
bool BufferRange::set_current(BufferType type, unsigned index, const BufferRange *buf)