gl_shader_cache: Store a system class and drop global accessors

src/video_core/renderer_opengl/gl_shader_cache.cpp

@@ -35,8 +35,8 @@ struct UnspecializedShader {
 namespace {
 
 /// Gets the address for the specified shader stage program
-GPUVAddr GetShaderAddress(Maxwell::ShaderProgram program) {
-    const auto& gpu{Core::System::GetInstance().GPU().Maxwell3D()};
+GPUVAddr GetShaderAddress(Core::System& system, Maxwell::ShaderProgram program) {
+    const auto& gpu{system.GPU().Maxwell3D()};
     const auto& shader_config{gpu.regs.shader_config[static_cast<std::size_t>(program)]};
     return gpu.regs.code_address.CodeAddress() + shader_config.offset;
 }
@@ -350,7 +350,8 @@ ShaderDiskCacheUsage CachedShader::GetUsage(GLenum primitive_mode,
 
 ShaderCacheOpenGL::ShaderCacheOpenGL(RasterizerOpenGL& rasterizer, Core::System& system,
                                      Core::Frontend::EmuWindow& emu_window, const Device& device)
-    : RasterizerCache{rasterizer}, emu_window{emu_window}, device{device}, disk_cache{system} {}
+    : RasterizerCache{rasterizer}, system{system}, emu_window{emu_window}, device{device},
+      disk_cache{system} {}
 
 void ShaderCacheOpenGL::LoadDiskCache(const std::atomic_bool& stop_loading,
                                       const VideoCore::DiskResourceLoadCallback& callback) {
@@ -546,12 +547,12 @@ std::unordered_map<u64, UnspecializedShader> ShaderCacheOpenGL::GenerateUnspecia
 }
 
 Shader ShaderCacheOpenGL::GetStageProgram(Maxwell::ShaderProgram program) {
-    if (!Core::System::GetInstance().GPU().Maxwell3D().dirty_flags.shaders) {
+    if (!system.GPU().Maxwell3D().dirty_flags.shaders) {
         return last_shaders[static_cast<std::size_t>(program)];
     }
 
-    auto& memory_manager{Core::System::GetInstance().GPU().MemoryManager()};
-    const GPUVAddr program_addr{GetShaderAddress(program)};
+    auto& memory_manager{system.GPU().MemoryManager()};
+    const GPUVAddr program_addr{GetShaderAddress(system, program)};
 
     // Look up shader in the cache based on address
     const auto host_ptr{memory_manager.GetPointer(program_addr)};
@@ -564,7 +565,7 @@ Shader ShaderCacheOpenGL::GetStageProgram(Maxwell::ShaderProgram program) {
     ProgramCode program_code{GetShaderCode(memory_manager, program_addr, host_ptr)};
     ProgramCode program_code_b;
     if (program == Maxwell::ShaderProgram::VertexA) {
-        const GPUVAddr program_addr_b{GetShaderAddress(Maxwell::ShaderProgram::VertexB)};
+        const GPUVAddr program_addr_b{GetShaderAddress(system, Maxwell::ShaderProgram::VertexB)};
         program_code_b = GetShaderCode(memory_manager, program_addr_b,
                                        memory_manager.GetPointer(program_addr_b));
     }

src/video_core/renderer_opengl/gl_shader_cache.h

@@ -137,6 +137,7 @@ private:
     CachedProgram GeneratePrecompiledProgram(const ShaderDiskCacheDump& dump,
                                              const std::set<GLenum>& supported_formats);
 
+    Core::System& system;
     Core::Frontend::EmuWindow& emu_window;
     const Device& device;
     ShaderDiskCacheOpenGL disk_cache;