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!!ARBvp1.0 # REQUIRE GL_NV_vertex_program3 OPTION NV_vertex_program3; # REQUIRE GL_ARB_fragment_program_shadow OPTION ARB_fragment_program_shadow; # FAIL - TXQ not supported by GL_NV_vertex_program3 OUTPUT SHADOW2D = result.color; TXQ SHADOW2D, vertex.texcoord[0], texture[0], SHADOW2D; END