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);
}
public void CalculatePackedData()
{
int layoutSize = GetVertexLayoutSize();
packedData = new float[verts.Length * layoutSize];
for (int i = 0, v = -1; i < verts.Length; i++)
{
for (int l = 0; l < layouts.Length; l++)
{
VertexBufferLayout layout = layouts[l];
switch (layout.Attribute)
{
case VertexAttribute.Position:
for (int s = 0; s < layout.Size; s++)
{
packedData[++v] = verts[i][s];
}
break;
case VertexAttribute.Normal:
for (int s = 0; s < layout.Size; s++)
{
packedData[++v] = normals[i][s];
}
break;
case VertexAttribute.Tangent:
break;
case VertexAttribute.Color:
break;
case VertexAttribute.Uv0:
for (int s = 0; s < layout.Size; s++)
{
packedData[++v] = uvs[i][s];
}
break;
case VertexAttribute.Uv1:
break;
case VertexAttribute.Uv2:
break;
case VertexAttribute.Uv3:
break;
case VertexAttribute.Uv4:
break;
case VertexAttribute.Uv5:
break;
case VertexAttribute.Uv6:
break;
case VertexAttribute.Uv7:
break;
}
}
}
}