renderer_opengl « video_core « src - anonymous/yuzu - yuzu is the world's most popular, open-source, Nintendo Switch emulator — started by the creators of Citra. It is written in C++ with portability in mind,

Mode	Name	Size
-rw-r--r--	gl_rasterizer.cpp	35271	log stats plain blame
-rw-r--r--	gl_rasterizer.h	6759	log stats plain blame
-rw-r--r--	gl_rasterizer_cache.cpp	38390	log stats plain blame
-rw-r--r--	gl_rasterizer_cache.h	23442	log stats plain blame
-rw-r--r--	gl_resource_manager.h	8037	log stats plain blame
-rw-r--r--	gl_shader_decompiler.cpp	76158	log stats plain blame
-rw-r--r--	gl_shader_decompiler.h	762	log stats plain blame
-rw-r--r--	gl_shader_gen.cpp	2740	log stats plain blame
-rw-r--r--	gl_shader_gen.h	5585	log stats plain blame
-rw-r--r--	gl_shader_manager.cpp	1975	log stats plain blame
-rw-r--r--	gl_shader_manager.h	6002	log stats plain blame
-rw-r--r--	gl_shader_util.cpp	1500	log stats plain blame
-rw-r--r--	gl_shader_util.h	2831	log stats plain blame
-rw-r--r--	gl_state.cpp	10913	log stats plain blame
-rw-r--r--	gl_state.h	4860	log stats plain blame
-rw-r--r--	gl_stream_buffer.cpp	4997	log stats plain blame
-rw-r--r--	gl_stream_buffer.h	940	log stats plain blame
-rw-r--r--	maxwell_to_gl.h	10541	log stats plain blame
-rw-r--r--	renderer_opengl.cpp	17468	log stats plain blame
-rw-r--r--	renderer_opengl.h	3058	log stats plain blame