sunshader???

$ grep -r sunShader src
src/engine/renderer/tr_bsp.cpp:	if ( tr.sunShaderName )
src/engine/renderer/tr_bsp.cpp:		tr.sunShader = R_FindShader( tr.sunShaderName, shaderType_t::SHADER_3D_STATIC, RSF_DEFAULT );
src/engine/renderer/tr_local.h:		shader_t   *sunShader;
src/engine/renderer/tr_local.h:		char       *sunShaderName;
src/engine/renderer/tr_shader.cpp:			RB: don't call tr.sunShader = R_FindShader(token, SHADER_3D_STATIC, RSF_DEFAULT);
src/engine/renderer/tr_shader.cpp:			tr.sunShaderName = (char*) ri.Hunk_Alloc( sizeof( char ) * tokenLen, ha_pref::h_low );
src/engine/renderer/tr_shader.cpp:			Q_strncpyz( tr.sunShaderName, token, tokenLen );
src/engine/renderer/tr_shader.cpp:	tr.sunShader = R_FindShader( "sun", shaderType_t::SHADER_3D_DYNAMIC, RSF_DEFAULT );