yuzu: Add frontend settings for assembly shaders

Add settings for assembly shaders. Currently hidden to avoid users from
accidentally enabled them.

src/yuzu_cmd/config.cpp

@@ -397,6 +397,8 @@ void Config::ReadValues() {
         sdl2_config->GetBoolean("Renderer", "use_asynchronous_gpu_emulation", false);
     Settings::values.use_vsync =
         static_cast<u16>(sdl2_config->GetInteger("Renderer", "use_vsync", 1));
+    Settings::values.use_assembly_shaders =
+        sdl2_config->GetBoolean("Renderer", "use_assembly_shaders", false);
     Settings::values.use_fast_gpu_time =
         sdl2_config->GetBoolean("Renderer", "use_fast_gpu_time", true);
 

src/yuzu_cmd/default_ini.h

@@ -134,6 +134,10 @@ max_anisotropy =
 # 0 (default): Off, 1: On
 use_vsync =
 
+# Whether to use OpenGL assembly shaders or not. NV_gpu_program5 is required.
+# 0 (default): Off, 1: On
+use_assembly_shaders =
+
 # Turns on the frame limiter, which will limit frames output to the target game speed
 # 0: Off, 1: On (default)
 use_frame_limit =