public void BindAttributes(ShaderProgram program)
{
GenericVBO elementArray = new GenericVBO(0, "", 0, 0, VertexAttribPointerType.Byte, BufferTarget.ArrayBuffer);
for (int i = 0; i < vbos.Length; i++)
{
if (vbos[i].bufferTarget == BufferTarget.ElementArrayBuffer)
{
elementArray = vbos[i];
continue;
}
int loc = Gl.GetAttribLocation(program.ProgramID, vbos[i].name);
if (loc == -1)
{
throw new Exception(string.Format("Shader did not contain '{0}'.", vbos[i].name));
}
Gl.EnableVertexAttribArray((uint)loc);
Gl.BindBuffer(vbos[i].bufferTarget, vbos[i].vboID);
Gl.VertexAttribPointer((uint)loc, vbos[i].size, vbos[i].pointerType, true, vbos[i].size * SizeOfType(vbos[i].pointerType), IntPtr.Zero);
}
if (elementArray.vboID != 0)
{
Gl.BindBuffer(BufferTarget.ElementArrayBuffer, elementArray.vboID);
VertexCount = elementArray.length;
}
}
public VAO(ShaderProgram program, VBO <T1> vbo1, string attribName, VBO <int> elementArray)
: base(program)
{
GenericVAO.GenericVBO[] vbos = new GenericVBO[2];
vbos[0] = new GenericVBO(vbo1.vboID, attribName, vbo1.Count, vbo1.Size, vbo1.PointerType, vbo1.BufferTarget);
vbos[1] = new GenericVBO(elementArray.vboID, "", elementArray.Count, elementArray.Size, elementArray.PointerType, elementArray.BufferTarget);
Init(vbos);
}
public VAO(ShaderProgram program, VBO <T1> vbo1, string attribName, VBO <int> elementArray)
: base(program)
{
IGenericVBO[] vbos = new IGenericVBO[2];
vbos[0] = new GenericVBO <T1>(vbo1, attribName);
vbos[1] = new GenericVBO <int>(elementArray);
Init(vbos);
}
public VAO(ShaderProgram program, VBO <T1> vbo1, string[] attribNames, VBO <int> elementArray)
: base(program)
{
if (attribNames.Length != 1)
{
throw new Exception(string.Format("Expected an array of 1 name, but instead got {0}.", attribNames.Length));
}
GenericVAO.GenericVBO[] vbos = new GenericVBO[2];
vbos[0] = new GenericVBO(vbo1.vboID, attribNames[0], vbo1.Count, vbo1.Size, vbo1.PointerType, vbo1.BufferTarget);
vbos[1] = new GenericVBO(elementArray.vboID, "", elementArray.Count, elementArray.Size, elementArray.PointerType, elementArray.BufferTarget);
Init(vbos);
}
public VAO(ShaderProgram program, VBO <T1> vbo1, string[] attribNames, VBO <int> elementArray)
: base(program)
{
if (attribNames.Length != 1)
{
throw new Exception(string.Format("Expected an array of 1 name, but instead got {0}.", attribNames.Length));
}
IGenericVBO[] vbos = new IGenericVBO[2];
vbos[0] = new GenericVBO <T1>(vbo1, attribNames[0]);
vbos[1] = new GenericVBO <int>(elementArray);
Init(vbos);
}
