WIP: Adding texture compare modes and shadow samplers support.

src/renderer_d3d9.cpp

@@ -410,6 +410,7 @@ namespace bgfx
 								| BGFX_CAPS_TEXTURE_FORMAT_BC2
 								| BGFX_CAPS_TEXTURE_FORMAT_BC3
 								| BGFX_CAPS_TEXTURE_3D
+								| BGFX_CAPS_TEXTURE_COMPARE_LEQUAL
 								| BGFX_CAPS_VERTEX_ATTRIB_HALF
 								| BGFX_CAPS_FRAGMENT_DEPTH
 								);