public override void DrawDecal(DecalInstance decal)
{
SetDecalMode(decal.mode);
if (decal.decal == null)
{
GL.BindTexture(TextureTarget.Texture2D, rendBlankQuad.Decal().id);
}
else
{
GL.BindTexture(TextureTarget.Texture2D, decal.decal.id);
}
GL.BindBuffer(BufferTarget.ArrayBuffer, m_vbQuad);
Bvert[] pVertexMem = new Bvert[decal.points];
for (int i = 0; i < decal.points; i++)
{
pVertexMem[i] = new Bvert(new float[3] {
decal.pos[i].x, decal.pos[i].y, decal.w[i]
}, new vf2d(decal.uv[i].x, decal.uv[i].y), decal.tint[i]);
}
int vertexSize = Marshal.SizeOf(typeof(Bvert));
GL.BufferData(BufferTarget.ArrayBuffer, (int)(vertexSize * decal.points), pVertexMem, BufferUsageHint.StreamDraw);
if (nDecalMode == DecalMode.WIREFRAME)
{
GL.DrawArrays(PrimitiveType.LineLoop, 0, (int)decal.points);
}
else
{
GL.DrawArrays(PrimitiveType.TriangleFan, 0, (int)decal.points);
}
}
public abstract void DrawDecal(DecalInstance decal);