Shader: Initial implementation of x86_x64 JIT compiler for Pica vertex shaders.

- Config: Add an option for selecting to use shader JIT or interpreter.
- Qt: Add a menu option for enabling/disabling the shader JIT.

src/video_core/CMakeLists.txt

@@ -13,6 +13,7 @@ set(SRCS
             rasterizer.cpp
             shader/shader.cpp
             shader/shader_interpreter.cpp
+            shader/shader_jit.cpp
             utils.cpp
             video_core.cpp
             )
@@ -38,10 +39,19 @@ set(HEADERS
             renderer_base.h
             shader/shader.h
             shader/shader_interpreter.h
+            shader/shader_jit.h
             utils.h
             video_core.h
             )
 
+if(_M_X86_64)
+    set(SRCS ${SRCS}
+            shader/shader_jit_x64.cpp)
+else()
+    set(SRCS ${SRCS}
+            shader/shader_jit_fake.cpp)
+endif()
+
 create_directory_groups(${SRCS} ${HEADERS})
 
 add_library(video_core STATIC ${SRCS} ${HEADERS})