Remove shader cache and make it optional (#238)

CMakeLists.txt

@@ -87,11 +87,15 @@ add_custom_command(OUTPUT ${CMAKE_SOURCE_DIR}/RecompiledPatches/patches_bin.c
     DEPENDS ${CMAKE_SOURCE_DIR}/patches/patches.bin
 )
 
-# Generate mm_shader_cache.c from the MM shader cache
+# Generate mm_shader_cache.c from the MM shader cache if it exists
+if (EXISTS ${CMAKE_SOURCE_DIR}/shadercache/mm_shader_cache.bin)
+    set(HAS_MM_SHADER_CACHE TRUE)
+    add_compile_definitions(HAS_MM_SHADER_CACHE)
     add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/mm_shader_cache.c ${CMAKE_CURRENT_BINARY_DIR}/mm_shader_cache.h
         COMMAND file_to_c ${CMAKE_SOURCE_DIR}/shadercache/mm_shader_cache.bin mm_shader_cache_bytes ${CMAKE_CURRENT_BINARY_DIR}/mm_shader_cache.c ${CMAKE_CURRENT_BINARY_DIR}/mm_shader_cache.h
         DEPENDS ${CMAKE_SOURCE_DIR}/shadercache/mm_shader_cache.bin
     )
+endif()
 
 # Recompile patches elf into patches.c
 add_custom_command(OUTPUT
@@ -159,10 +163,12 @@ set (SOURCES
     ${CMAKE_SOURCE_DIR}/rsp/njpgdspMain.cpp
 
     ${CMAKE_SOURCE_DIR}/lib/RmlUi/Backends/RmlUi_Platform_SDL.cpp
-
-    ${CMAKE_CURRENT_BINARY_DIR}/mm_shader_cache.c
 )
 
+if (HAS_MM_SHADER_CACHE)
+    list(APPEND SOURCES ${CMAKE_CURRENT_BINARY_DIR}/mm_shader_cache.c)
+endif()
+
 target_include_directories(Zelda64Recompiled PRIVATE
     ${CMAKE_SOURCE_DIR}/include
     ${CMAKE_SOURCE_DIR}/lib/concurrentqueue

src/recomp/recomp.cpp

@@ -17,7 +17,9 @@
 #include "xxHash/xxh3.h"
 #include "../ultramodern/ultramodern.hpp"
 #include "../../RecompiledPatches/patches_bin.h"
+#ifdef HAS_MM_SHADER_CACHE
 #include "mm_shader_cache.h"
+#endif
 
 #ifdef _MSC_VER
 inline uint32_t byteswap(uint32_t val) {
@@ -411,7 +413,11 @@ void recomp::start(ultramodern::WindowHandle window_handle, const ultramodern::a
                 if (!recomp::load_stored_rom(recomp::Game::MM)) {
                     recomp::message_box("Error opening stored ROM! Please restart this program.");
                 }
+
+                #ifdef HAS_MM_SHADER_CACHE
                 ultramodern::load_shader_cache({mm_shader_cache_bytes, sizeof(mm_shader_cache_bytes)});
+                #endif
+
                 init(rdram, &context);
                 try {
                     recomp_entrypoint(rdram, &context);