private void BindMaterial(Material mat)
{
Ogl.BindVertexArray(vertexArrayHandle);
Ogl.BindBuffer(BufferTarget.ArrayBuffer, vertexBuffer);
Ogl.BufferData(BufferTarget.ArrayBuffer, packedData.Length * sizeof(float), packedData, BufferUsageHint.StaticDraw);
Ogl.BindBuffer(BufferTarget.ElementArrayBuffer, trisBuffer);
Ogl.BufferData(BufferTarget.ElementArrayBuffer, tris.Length * sizeof(uint), tris, BufferUsageHint.StaticDraw);
VertexBufferLayout[] layouts = GetVertexLayout();
int layoutSize = GetVertexLayoutSize();
int layoutOffset = 0;
for (int l = 0; l < layouts.Length; l++)
{
VertexBufferLayout layout = layouts[l];
int location = layout.Attribute.GetAttributeLocation(mat);
if (location == -1)
{
continue;
}
int stride = layoutSize * layout.Format.ByteSize();
Ogl.EnableVertexAttribArray(location);
Ogl.VertexAttribPointer(location, layout.Size, layout.Format.ToOpenGlAttribType(), false, stride, layoutOffset);
layoutOffset += layout.Size * layout.Format.ByteSize();
}
Ogl.BindVertexArray(0);
}
