Update to latest N64ModernRuntime (#392)

- updates to new controller changes
- updates to new render context changes
- updates to new controller number changes
- fix for crash on save thread

CMakeLists.txt

@@ -120,6 +120,7 @@ set (SOURCES
     ${CMAKE_SOURCE_DIR}/src/main/main.cpp
     ${CMAKE_SOURCE_DIR}/src/main/register_overlays.cpp
     ${CMAKE_SOURCE_DIR}/src/main/register_patches.cpp
+    ${CMAKE_SOURCE_DIR}/src/main/rt64_render_context.cpp
 
     ${CMAKE_SOURCE_DIR}/src/game/input.cpp
     ${CMAKE_SOURCE_DIR}/src/game/controls.cpp

include/recomp_input.h

@@ -9,6 +9,8 @@
 #include <string>
 #include <string_view>
 
+#include "ultramodern/input.hpp"
+
 #include "json/json.hpp"
 
 namespace recomp {
@@ -150,11 +152,13 @@ namespace recomp {
     InputField& get_input_binding(GameInput input, size_t binding_index, InputDevice device);
     void set_input_binding(GameInput input, size_t binding_index, InputDevice device, InputField value);
 
-    void get_n64_input(uint16_t* buttons_out, float* x_out, float* y_out);
+    bool get_n64_input(int controller_num, uint16_t* buttons_out, float* x_out, float* y_out);
-    void set_rumble(bool);
+    void set_rumble(int controller_num, bool);
     void update_rumble();
     void handle_events();
 
+    ultramodern::input::connected_device_info_t get_connected_device_info(int controller_num);
+    
     // Rumble strength ranges from 0 to 100.
     int get_rumble_strength();
     void set_rumble_strength(int strength);

include/recomp_ui.h

@@ -120,6 +120,8 @@ namespace recompui {
 	void activate_mouse();
 
 	void message_box(const char* msg);
+
+	void set_render_hooks();
 }
 
 #endif

include/zelda_render.h

@@ -0,0 +1,42 @@
+#ifndef __ZELDA_RENDER_H__
+#define __ZELDA_RENDER_H__
+
+#include "common/rt64_user_configuration.h"
+#include "ultramodern/renderer_context.hpp"
+
+namespace RT64 {
+    struct Application;
+}
+
+namespace zelda64 {
+    namespace renderer {
+        class RT64Context : public ultramodern::renderer::RendererContext {
+        public:
+            ~RT64Context() override;
+            RT64Context(uint8_t *rdram, ultramodern::renderer::WindowHandle window_handle, bool developer_mode);
+
+            bool valid() override { return static_cast<bool>(app); }
+
+            bool update_config(const ultramodern::renderer::GraphicsConfig &old_config, const ultramodern::renderer::GraphicsConfig &new_config) override;
+
+            void enable_instant_present() override;
+            void send_dl(const OSTask *task) override;
+            void update_screen(uint32_t vi_origin) override;
+            void shutdown() override;
+            uint32_t get_display_framerate() const override;
+            float get_resolution_scale() const override;
+            void load_shader_cache(std::span<const char> cache_binary) override;
+
+        protected:
+            std::unique_ptr<RT64::Application> app;
+        };
+
+        std::unique_ptr<ultramodern::renderer::RendererContext> create_render_context(uint8_t *rdram, ultramodern::renderer::WindowHandle window_handle, bool developer_mode);
+
+        RT64::UserConfiguration::Antialiasing RT64MaxMSAA();
+        bool RT64SamplePositionsSupported();
+        bool RT64HighPrecisionFBEnabled();
+    }
+}
+
+#endif

lib/N64ModernRuntime

@@ -1 +1 @@
-Subproject commit ec7e81b45d9a622cb3e45865ce5d7d3536b26534
+Subproject commit 0c1811ca6f8291c6608f1d6626a73e863902ece9

src/game/config.cpp

@@ -1,6 +1,7 @@
 #include "zelda_config.h"
 #include "recomp_input.h"
 #include "zelda_sound.h"
+#include "zelda_render.h"
 #include "ultramodern/config.hpp"
 #include "librecomp/files.hpp"
 #include <filesystem>
@@ -20,21 +21,21 @@ constexpr std::u8string_view controls_filename = u8"controls.json";
 constexpr std::u8string_view sound_filename = u8"sound.json";
 constexpr std::u8string_view program_id = u8"Zelda64Recompiled";
 
-constexpr auto res_default            = ultramodern::Resolution::Auto;
+constexpr auto res_default            = ultramodern::renderer::Resolution::Auto;
-constexpr auto hr_default             = ultramodern::HUDRatioMode::Clamp16x9;
+constexpr auto hr_default             = ultramodern::renderer::HUDRatioMode::Clamp16x9;
-constexpr auto api_default            = ultramodern::GraphicsApi::Auto;
+constexpr auto api_default            = ultramodern::renderer::GraphicsApi::Auto;
-constexpr auto ar_default             = RT64::UserConfiguration::AspectRatio::Expand;
+constexpr auto ar_default             = ultramodern::renderer::AspectRatio::Expand;
-constexpr auto msaa_default           = RT64::UserConfiguration::Antialiasing::MSAA2X;
+constexpr auto msaa_default           = ultramodern::renderer::Antialiasing::MSAA2X;
-constexpr auto rr_default             = RT64::UserConfiguration::RefreshRate::Display;
+constexpr auto rr_default             = ultramodern::renderer::RefreshRate::Display;
-constexpr auto hpfb_default           = ultramodern::HighPrecisionFramebuffer::Auto;
+constexpr auto hpfb_default           = ultramodern::renderer::HighPrecisionFramebuffer::Auto;
 constexpr int ds_default              = 1;
 constexpr int rr_manual_default       = 60;
 constexpr bool developer_mode_default = false;
 
 static bool is_steam_deck = false;
 
-ultramodern::WindowMode wm_default() {
+ultramodern::renderer::WindowMode wm_default() {
-    return is_steam_deck ? ultramodern::WindowMode::Fullscreen : ultramodern::WindowMode::Windowed;
+    return is_steam_deck ? ultramodern::renderer::WindowMode::Fullscreen : ultramodern::renderer::WindowMode::Windowed;
 }
 
 #ifdef __gnu_linux__
@@ -86,7 +87,7 @@ void call_if_key_exists(void (*func)(T), const json& j, const std::string& key)
 }
 
 namespace ultramodern {
-    void to_json(json& j, const GraphicsConfig& config) {
+    void to_json(json& j, const renderer::GraphicsConfig& config) {
         j = json{
             {"res_option",      config.res_option},
             {"wm_option",       config.wm_option},
@@ -102,7 +103,7 @@ namespace ultramodern {
         };
     }
 
-    void from_json(const json& j, GraphicsConfig& config) {
+    void from_json(const json& j, renderer::GraphicsConfig& config) {
         config.res_option       = from_or_default(j, "res_option",      res_default);
         config.wm_option        = from_or_default(j, "wm_option",       wm_default());
         config.hr_option        = from_or_default(j, "hr_option",       hr_default);
@@ -302,7 +303,7 @@ void zelda64::reset_kb_input_bindings() {
 }
 
 void reset_graphics_options() {
-    ultramodern::GraphicsConfig new_config{};
+    ultramodern::renderer::GraphicsConfig new_config{};
     new_config.res_option = res_default;
     new_config.wm_option = wm_default();
     new_config.hr_option = hr_default;
@@ -313,12 +314,12 @@ void reset_graphics_options() {
     new_config.hpfb_option = hpfb_default;
     new_config.rr_manual_value = rr_manual_default;
     new_config.developer_mode = developer_mode_default;
-    ultramodern::set_graphics_config(new_config);
+    ultramodern::renderer::set_graphics_config(new_config);
 }
 
 bool save_graphics_config(const std::filesystem::path& path) {
     nlohmann::json config_json{};
-    ultramodern::to_json(config_json, ultramodern::get_graphics_config());
+    ultramodern::to_json(config_json, ultramodern::renderer::get_graphics_config());
     return save_json_with_backups(path, config_json);
 }
 
@@ -328,9 +329,9 @@ bool load_graphics_config(const std::filesystem::path& path) {
         return false;
     }
 
-    ultramodern::GraphicsConfig new_config{};
+    ultramodern::renderer::GraphicsConfig new_config{};
     ultramodern::from_json(config_json, new_config);
-    ultramodern::set_graphics_config(new_config);
+    ultramodern::renderer::set_graphics_config(new_config);
     return true;
 }
 

src/game/controls.cpp

@@ -75,11 +75,15 @@ void recomp::set_input_binding(recomp::GameInput input, size_t binding_index, re
     }
 }
 
-void recomp::get_n64_input(uint16_t* buttons_out, float* x_out, float* y_out) {
+bool recomp::get_n64_input(int controller_num, uint16_t* buttons_out, float* x_out, float* y_out) {
     uint16_t cur_buttons = 0;
     float cur_x = 0.0f;
     float cur_y = 0.0f;
     
+    if (controller_num != 0) {
+        return false;
+    }
+
     if (!recomp::game_input_disabled()) {
         for (size_t i = 0; i < n64_button_values.size(); i++) {
             size_t input_index = (size_t)GameInput::N64_BUTTON_START + i;
@@ -107,4 +111,6 @@ void recomp::get_n64_input(uint16_t* buttons_out, float* x_out, float* y_out) {
     *buttons_out = cur_buttons;
     *x_out = std::clamp(cur_x, -1.0f, 1.0f);
     *y_out = std::clamp(cur_y, -1.0f, 1.0f);
+
+    return true;
 }

src/game/input.cpp

@@ -446,8 +446,25 @@ void recomp::poll_inputs() {
     #endif
 }
 
-void recomp::set_rumble(bool on) {
+void recomp::set_rumble(int controller_num, bool on) {
+    if (controller_num == 0) {
         InputState.rumble_active = on;
+    }
+}
+
+ultramodern::input::connected_device_info_t recomp::get_connected_device_info(int controller_num) {
+    switch (controller_num) {
+        case 0:
+            return ultramodern::input::connected_device_info_t {
+                .connected_device = ultramodern::input::Device::Controller,
+                .connected_pak = ultramodern::input::Pak::RumblePak,
+            };
+    }
+
+    return ultramodern::input::connected_device_info_t {
+        .connected_device = ultramodern::input::Device::None,
+        .connected_pak = ultramodern::input::Pak::None,
+    };
 }
 
 static float smoothstep(float from, float to, float amount) {

src/game/recomp_api.cpp

@@ -5,6 +5,7 @@
 #include "zelda_config.h"
 #include "recomp_input.h"
 #include "recomp_ui.h"
+#include "zelda_render.h"
 #include "zelda_sound.h"
 #include "librecomp/helpers.hpp"
 #include "../patches/input.h"
@@ -12,7 +13,6 @@
 #include "../patches/sound.h"
 #include "ultramodern/ultramodern.hpp"
 #include "ultramodern/config.hpp"
-#include "ultramodern/rt64_layer.hpp"
 
 extern "C" void recomp_update_inputs(uint8_t* rdram, recomp_context* ctx) {
     recomp::poll_inputs();
@@ -59,17 +59,17 @@ extern "C" void recomp_get_target_framerate(uint8_t* rdram, recomp_context* ctx)
 }
 
 extern "C" void recomp_get_aspect_ratio(uint8_t* rdram, recomp_context* ctx) {
-    ultramodern::GraphicsConfig graphics_config = ultramodern::get_graphics_config();
+    ultramodern::renderer::GraphicsConfig graphics_config = ultramodern::renderer::get_graphics_config();
     float original = _arg<0, float>(rdram, ctx);
     int width, height;
     recompui::get_window_size(width, height);
 
     switch (graphics_config.ar_option) {
-        case RT64::UserConfiguration::AspectRatio::Original:
+        case ultramodern::renderer::AspectRatio::Original:
         default:
             _return(ctx, original);
             return;
-        case RT64::UserConfiguration::AspectRatio::Expand:
+        case ultramodern::renderer::AspectRatio::Expand:
             _return(ctx, std::max(static_cast<float>(width) / height, original));
             return;
     }
@@ -104,7 +104,7 @@ extern "C" void recomp_load_overlays(uint8_t * rdram, recomp_context * ctx) {
 }
 
 extern "C" void recomp_high_precision_fb_enabled(uint8_t * rdram, recomp_context * ctx) {
-    _return(ctx, static_cast<s32>(ultramodern::RT64HighPrecisionFBEnabled()));
+    _return(ctx, static_cast<s32>(zelda64::renderer::RT64HighPrecisionFBEnabled()));
 }
 
 extern "C" void recomp_get_resolution_scale(uint8_t* rdram, recomp_context* ctx) {

src/main/main.cpp

@@ -24,6 +24,7 @@
 #include "recomp_input.h"
 #include "zelda_config.h"
 #include "zelda_sound.h"
+#include "zelda_render.h"
 #include "ovl_patches.hpp"
 #include "librecomp/game.hpp"
 
@@ -40,9 +41,6 @@
 #define STB_IMAGE_IMPLEMENTATION
 #include "../../lib/rt64/src/contrib/stb/stb_image.h"
 
-extern "C" void init();
-/*extern "C"*/ void start(ultramodern::WindowHandle window_handle, const ultramodern::audio_callbacks_t* audio_callbacks, const ultramodern::input_callbacks_t* input_callbacks);
-
 template<typename... Ts>
 void exit_error(const char* str, Ts ...args) {
     // TODO pop up an error
@@ -121,11 +119,11 @@ bool SetImageAsIcon(const char* filename, SDL_Window* window)
 
 SDL_Window* window;
 
-ultramodern::WindowHandle create_window(ultramodern::gfx_callbacks_t::gfx_data_t) {
+ultramodern::renderer::WindowHandle create_window(ultramodern::gfx_callbacks_t::gfx_data_t) {
     window = SDL_CreateWindow("Zelda 64: Recompiled", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 1600, 960, SDL_WINDOW_RESIZABLE );
 #if defined(__linux__)
     SetImageAsIcon("icons/512.png",window);
-    if (ultramodern::get_graphics_config().wm_option == ultramodern::WindowMode::Fullscreen) { // TODO: Remove once RT64 gets native fullscreen support on Linux
+    if (ultramodern::renderer::get_graphics_config().wm_option == ultramodern::renderer::WindowMode::Fullscreen) { // TODO: Remove once RT64 gets native fullscreen support on Linux
         SDL_SetWindowFullscreen(window,SDL_WINDOW_FULLSCREEN_DESKTOP);
     } else {
         SDL_SetWindowFullscreen(window,0);
@@ -141,7 +139,7 @@ ultramodern::WindowHandle create_window(ultramodern::gfx_callbacks_t::gfx_data_t
     SDL_GetWindowWMInfo(window, &wmInfo);
 
 #if defined(_WIN32)
-    return ultramodern::WindowHandle{ wmInfo.info.win.window, GetCurrentThreadId() };
+    return ultramodern::renderer::WindowHandle{ wmInfo.info.win.window, GetCurrentThreadId() };
 #elif defined(__ANDROID__)
     static_assert(false && "Unimplemented");
 #elif defined(__linux__)
@@ -149,7 +147,7 @@ ultramodern::WindowHandle create_window(ultramodern::gfx_callbacks_t::gfx_data_t
         exit_error("Unsupported SDL2 video driver \"%s\". Only X11 is supported on Linux.\n", SDL_GetCurrentVideoDriver());
     }
 
-    return ultramodern::WindowHandle{ wmInfo.info.x11.display, wmInfo.info.x11.window };
+    return ultramodern::renderer::WindowHandle{ wmInfo.info.x11.display, wmInfo.info.x11.window };
 #else
     static_assert(false && "Unimplemented");
 #endif
@@ -390,6 +388,10 @@ int main(int argc, char** argv) {
         .get_rsp_microcode = get_rsp_microcode,
     };
 
+    ultramodern::renderer::callbacks_t renderer_callbacks{
+        .create_render_context = zelda64::renderer::create_render_context,
+    };
+
     ultramodern::gfx_callbacks_t gfx_callbacks{
         .create_gfx = create_gfx,
         .create_window = create_window,
@@ -402,10 +404,11 @@ int main(int argc, char** argv) {
         .set_frequency = set_frequency,
     };
 
-    ultramodern::input_callbacks_t input_callbacks{
+    ultramodern::input::callbacks_t input_callbacks{
         .poll_input = recomp::poll_inputs,
         .get_input = recomp::get_n64_input,
         .set_rumble = recomp::set_rumble,
+        .get_connected_device_info = recomp::get_connected_device_info,
     };
 
     ultramodern::events::callbacks_t thread_callbacks{
@@ -417,7 +420,7 @@ int main(int argc, char** argv) {
         .message_box = recompui::message_box,
     };
 
-    recomp::start({}, rsp_callbacks, audio_callbacks, input_callbacks, gfx_callbacks, thread_callbacks, error_handling_callbacks);
+    recomp::start({}, rsp_callbacks, renderer_callbacks, audio_callbacks, input_callbacks, gfx_callbacks, thread_callbacks, error_handling_callbacks);
 
     NFD_Quit();
 

src/main/register_overlays.cpp

@@ -4,16 +4,16 @@
 #include "librecomp/overlays.hpp"
 
 void zelda64::register_overlays() {
-    recomp::overlay_section_table_data_t sections {
+    recomp::overlays::overlay_section_table_data_t sections {
         .code_sections = section_table,
         .num_code_sections = ARRLEN(section_table),
         .total_num_sections = num_sections,
     };
 
-    recomp::overlays_by_index_t overlays {
+    recomp::overlays::overlays_by_index_t overlays {
         .table = overlay_sections_by_index,
         .len = ARRLEN(overlay_sections_by_index),
     };
 
-    recomp::register_overlays(sections, overlays);
+    recomp::overlays::register_overlays(sections, overlays);
 }

src/main/register_patches.cpp

@@ -6,7 +6,5 @@
 #include "librecomp/game.hpp"
 
 void zelda64::register_patches() {
-    // TODO: This is a bit awful, maybe provide only one functions that does both in librecomp?
+    recomp::overlays::register_patches(mm_patches_bin, sizeof(mm_patches_bin), section_table);
-    recomp::register_patch(mm_patches_bin, sizeof(mm_patches_bin));
-    recomp::register_patch_section(section_table);
 }

src/main/rt64_render_context.cpp

@@ -0,0 +1,378 @@
+#include <memory>
+#include <cstring>
+
+#define HLSL_CPU
+#include "hle/rt64_application.h"
+#include "rt64_render_hooks.h"
+
+#include "ultramodern/ultramodern.hpp"
+#include "ultramodern/config.hpp"
+
+#include "zelda_render.h"
+#include "recomp_ui.h"
+
+static RT64::UserConfiguration::Antialiasing device_max_msaa = RT64::UserConfiguration::Antialiasing::None;
+static bool sample_positions_supported = false;
+static bool high_precision_fb_enabled = false;
+
+static uint8_t DMEM[0x1000];
+static uint8_t IMEM[0x1000];
+
+unsigned int MI_INTR_REG = 0;
+
+unsigned int DPC_START_REG = 0;
+unsigned int DPC_END_REG = 0;
+unsigned int DPC_CURRENT_REG = 0;
+unsigned int DPC_STATUS_REG = 0;
+unsigned int DPC_CLOCK_REG = 0;
+unsigned int DPC_BUFBUSY_REG = 0;
+unsigned int DPC_PIPEBUSY_REG = 0;
+unsigned int DPC_TMEM_REG = 0;
+
+unsigned int VI_STATUS_REG = 0;
+unsigned int VI_ORIGIN_REG = 0;
+unsigned int VI_WIDTH_REG = 0;
+unsigned int VI_INTR_REG = 0;
+unsigned int VI_V_CURRENT_LINE_REG = 0;
+unsigned int VI_TIMING_REG = 0;
+unsigned int VI_V_SYNC_REG = 0;
+unsigned int VI_H_SYNC_REG = 0;
+unsigned int VI_LEAP_REG = 0;
+unsigned int VI_H_START_REG = 0;
+unsigned int VI_V_START_REG = 0;
+unsigned int VI_V_BURST_REG = 0;
+unsigned int VI_X_SCALE_REG = 0;
+unsigned int VI_Y_SCALE_REG = 0;
+
+void dummy_check_interrupts() {}
+
+RT64::UserConfiguration::Antialiasing compute_max_supported_aa(RT64::RenderSampleCounts bits) {
+    if (bits & RT64::RenderSampleCount::Bits::COUNT_2) {
+        if (bits & RT64::RenderSampleCount::Bits::COUNT_4) {
+            if (bits & RT64::RenderSampleCount::Bits::COUNT_8) {
+                return RT64::UserConfiguration::Antialiasing::MSAA8X;
+            }
+            return RT64::UserConfiguration::Antialiasing::MSAA4X;
+        }
+        return RT64::UserConfiguration::Antialiasing::MSAA2X;
+    };
+    return RT64::UserConfiguration::Antialiasing::None;
+}
+
+RT64::UserConfiguration::AspectRatio to_rt64(ultramodern::renderer::AspectRatio option) {
+    switch (option) {
+        case ultramodern::renderer::AspectRatio::Original:
+            return RT64::UserConfiguration::AspectRatio::Original;
+        case ultramodern::renderer::AspectRatio::Expand:
+            return RT64::UserConfiguration::AspectRatio::Expand;
+        case ultramodern::renderer::AspectRatio::Manual:
+            return RT64::UserConfiguration::AspectRatio::Manual;
+        case ultramodern::renderer::AspectRatio::OptionCount:
+            return RT64::UserConfiguration::AspectRatio::OptionCount;
+    }
+}
+
+RT64::UserConfiguration::Antialiasing to_rt64(ultramodern::renderer::Antialiasing option) {
+    switch (option) {
+        case ultramodern::renderer::Antialiasing::None:
+            return RT64::UserConfiguration::Antialiasing::None;
+        case ultramodern::renderer::Antialiasing::MSAA2X:
+            return RT64::UserConfiguration::Antialiasing::MSAA2X;
+        case ultramodern::renderer::Antialiasing::MSAA4X:
+            return RT64::UserConfiguration::Antialiasing::MSAA4X;
+        case ultramodern::renderer::Antialiasing::MSAA8X:
+            return RT64::UserConfiguration::Antialiasing::MSAA8X;
+        case ultramodern::renderer::Antialiasing::OptionCount:
+            return RT64::UserConfiguration::Antialiasing::OptionCount;
+    }
+}
+
+RT64::UserConfiguration::RefreshRate to_rt64(ultramodern::renderer::RefreshRate option) {
+    switch (option) {
+        case ultramodern::renderer::RefreshRate::Original:
+            return RT64::UserConfiguration::RefreshRate::Original;
+        case ultramodern::renderer::RefreshRate::Display:
+            return RT64::UserConfiguration::RefreshRate::Display;
+        case ultramodern::renderer::RefreshRate::Manual:
+            return RT64::UserConfiguration::RefreshRate::Manual;
+        case ultramodern::renderer::RefreshRate::OptionCount:
+            return RT64::UserConfiguration::RefreshRate::OptionCount;
+    }
+}
+
+RT64::UserConfiguration::InternalColorFormat to_rt64(ultramodern::renderer::HighPrecisionFramebuffer option) {
+    switch (option) {
+        case ultramodern::renderer::HighPrecisionFramebuffer::Off:
+            return RT64::UserConfiguration::InternalColorFormat::Standard;
+        case ultramodern::renderer::HighPrecisionFramebuffer::On:
+            return RT64::UserConfiguration::InternalColorFormat::High;
+        case ultramodern::renderer::HighPrecisionFramebuffer::Auto:
+            return RT64::UserConfiguration::InternalColorFormat::Automatic;
+        case ultramodern::renderer::HighPrecisionFramebuffer::OptionCount:
+            return RT64::UserConfiguration::InternalColorFormat::OptionCount;
+    }
+}
+
+void set_application_user_config(RT64::Application* application, const ultramodern::renderer::GraphicsConfig& config) {
+    switch (config.res_option) {
+        default:
+        case ultramodern::renderer::Resolution::Auto:
+            application->userConfig.resolution = RT64::UserConfiguration::Resolution::WindowIntegerScale;
+            application->userConfig.downsampleMultiplier = 1;
+            break;
+        case ultramodern::renderer::Resolution::Original:
+            application->userConfig.resolution = RT64::UserConfiguration::Resolution::Manual;
+            application->userConfig.resolutionMultiplier = std::max(config.ds_option, 1);
+            application->userConfig.downsampleMultiplier = std::max(config.ds_option, 1);
+            break;
+        case ultramodern::renderer::Resolution::Original2x:
+            application->userConfig.resolution = RT64::UserConfiguration::Resolution::Manual;
+            application->userConfig.resolutionMultiplier = 2.0 * std::max(config.ds_option, 1);
+            application->userConfig.downsampleMultiplier = std::max(config.ds_option, 1);
+            break;
+    }
+
+    switch (config.hr_option) {
+        default:
+        case ultramodern::renderer::HUDRatioMode::Original:
+            application->userConfig.extAspectRatio = RT64::UserConfiguration::AspectRatio::Original;
+            break;
+        case ultramodern::renderer::HUDRatioMode::Clamp16x9:
+            application->userConfig.extAspectRatio = RT64::UserConfiguration::AspectRatio::Manual;
+            application->userConfig.extAspectTarget = 16.0/9.0;
+            break;
+        case ultramodern::renderer::HUDRatioMode::Full:
+            application->userConfig.extAspectRatio = RT64::UserConfiguration::AspectRatio::Expand;
+            break;
+    }
+
+    application->userConfig.aspectRatio = to_rt64(config.ar_option);
+    application->userConfig.antialiasing = to_rt64(config.msaa_option);
+    application->userConfig.refreshRate = to_rt64(config.rr_option);
+    application->userConfig.refreshRateTarget = config.rr_manual_value;
+    application->userConfig.internalColorFormat = to_rt64(config.hpfb_option);
+}
+
+ultramodern::renderer::SetupResult map_setup_result(RT64::Application::SetupResult rt64_result) {
+    switch (rt64_result) {
+        case RT64::Application::SetupResult::Success:
+            return ultramodern::renderer::SetupResult::Success;
+        case RT64::Application::SetupResult::DynamicLibrariesNotFound:
+            return ultramodern::renderer::SetupResult::DynamicLibrariesNotFound;
+        case RT64::Application::SetupResult::InvalidGraphicsAPI:
+            return ultramodern::renderer::SetupResult::InvalidGraphicsAPI;
+        case RT64::Application::SetupResult::GraphicsAPINotFound:
+            return ultramodern::renderer::SetupResult::GraphicsAPINotFound;
+        case RT64::Application::SetupResult::GraphicsDeviceNotFound:
+            return ultramodern::renderer::SetupResult::GraphicsDeviceNotFound;
+    }
+
+    fprintf(stderr, "Unhandled `RT64::Application::SetupResult` ?\n");
+    assert(false);
+    std::exit(EXIT_FAILURE);
+}
+
+zelda64::renderer::RT64Context::RT64Context(uint8_t* rdram, ultramodern::renderer::WindowHandle window_handle, bool debug) {
+    static unsigned char dummy_rom_header[0x40];
+    recompui::set_render_hooks();
+
+    // Set up the RT64 application core fields.
+    RT64::Application::Core appCore{};
+#if defined(_WIN32)
+    appCore.window = window_handle.window;
+#elif defined(__ANDROID__)
+    assert(false && "Unimplemented");
+#elif defined(__linux__)
+    appCore.window.display = window_handle.display;
+    appCore.window.window = window_handle.window;
+#elif defined(__APPLE__)
+    appCore.window.window = window_handle.window;
+    appCore.window.view = window_handle.view;
+#endif
+
+    appCore.checkInterrupts = dummy_check_interrupts;
+
+    appCore.HEADER = dummy_rom_header;
+    appCore.RDRAM = rdram;
+    appCore.DMEM = DMEM;
+    appCore.IMEM = IMEM;
+
+    appCore.MI_INTR_REG = &MI_INTR_REG;
+
+    appCore.DPC_START_REG = &DPC_START_REG;
+    appCore.DPC_END_REG = &DPC_END_REG;
+    appCore.DPC_CURRENT_REG = &DPC_CURRENT_REG;
+    appCore.DPC_STATUS_REG = &DPC_STATUS_REG;
+    appCore.DPC_CLOCK_REG = &DPC_CLOCK_REG;
+    appCore.DPC_BUFBUSY_REG = &DPC_BUFBUSY_REG;
+    appCore.DPC_PIPEBUSY_REG = &DPC_PIPEBUSY_REG;
+    appCore.DPC_TMEM_REG = &DPC_TMEM_REG;
+
+    appCore.VI_STATUS_REG = &VI_STATUS_REG;
+    appCore.VI_ORIGIN_REG = &VI_ORIGIN_REG;
+    appCore.VI_WIDTH_REG = &VI_WIDTH_REG;
+    appCore.VI_INTR_REG = &VI_INTR_REG;
+    appCore.VI_V_CURRENT_LINE_REG = &VI_V_CURRENT_LINE_REG;
+    appCore.VI_TIMING_REG = &VI_TIMING_REG;
+    appCore.VI_V_SYNC_REG = &VI_V_SYNC_REG;
+    appCore.VI_H_SYNC_REG = &VI_H_SYNC_REG;
+    appCore.VI_LEAP_REG = &VI_LEAP_REG;
+    appCore.VI_H_START_REG = &VI_H_START_REG;
+    appCore.VI_V_START_REG = &VI_V_START_REG;
+    appCore.VI_V_BURST_REG = &VI_V_BURST_REG;
+    appCore.VI_X_SCALE_REG = &VI_X_SCALE_REG;
+    appCore.VI_Y_SCALE_REG = &VI_Y_SCALE_REG;
+
+    // Set up the RT64 application configuration fields.
+    RT64::ApplicationConfiguration appConfig;
+    appConfig.useConfigurationFile = false;
+
+    // Create the RT64 application.
+    app = std::make_unique<RT64::Application>(appCore, appConfig);
+
+    // Set initial user config settings based on the current settings.
+    auto& cur_config = ultramodern::renderer::get_graphics_config();
+    set_application_user_config(app.get(), cur_config);
+    app->userConfig.developerMode = debug;
+    // Force gbi depth branches to prevent LODs from kicking in.
+    app->enhancementConfig.f3dex.forceBranch = true;
+    // Scale LODs based on the output resolution.
+    app->enhancementConfig.textureLOD.scale = true;
+    // Pick an API if the user has set an override.
+    switch (cur_config.api_option) {
+        case ultramodern::renderer::GraphicsApi::D3D12:
+            app->userConfig.graphicsAPI = RT64::UserConfiguration::GraphicsAPI::D3D12;
+            break;
+        case ultramodern::renderer::GraphicsApi::Vulkan:
+            app->userConfig.graphicsAPI = RT64::UserConfiguration::GraphicsAPI::Vulkan;
+            break;
+        default:
+        case ultramodern::renderer::GraphicsApi::Auto:
+            // Don't override if auto is selected.
+            break;
+    }
+
+    // Set up the RT64 application.
+    uint32_t thread_id = 0;
+#ifdef _WIN32
+    thread_id = window_handle.thread_id;
+#endif
+    setup_result = map_setup_result(app->setup(thread_id));
+    if (setup_result != ultramodern::renderer::SetupResult::Success) {
+        app = nullptr;
+        return;
+    }
+
+    // Set the application's fullscreen state.
+    app->setFullScreen(cur_config.wm_option == ultramodern::renderer::WindowMode::Fullscreen);
+
+    // Check if the selected device actually supports MSAA sample positions and MSAA for for the formats that will be used
+    // and downgrade the configuration accordingly.
+    if (app->device->getCapabilities().sampleLocations) {
+        RT64::RenderSampleCounts color_sample_counts = app->device->getSampleCountsSupported(RT64::RenderFormat::R8G8B8A8_UNORM);
+        RT64::RenderSampleCounts depth_sample_counts = app->device->getSampleCountsSupported(RT64::RenderFormat::D32_FLOAT);
+        RT64::RenderSampleCounts common_sample_counts = color_sample_counts & depth_sample_counts;
+        device_max_msaa = compute_max_supported_aa(common_sample_counts);
+        sample_positions_supported = true;
+    }
+    else {
+        device_max_msaa = RT64::UserConfiguration::Antialiasing::None;
+        sample_positions_supported = false;
+    }
+
+    high_precision_fb_enabled = app->shaderLibrary->usesHDR;
+}
+
+zelda64::renderer::RT64Context::~RT64Context() = default;
+
+void zelda64::renderer::RT64Context::send_dl(const OSTask* task) {
+    app->state->rsp->reset();
+    app->interpreter->loadUCodeGBI(task->t.ucode & 0x3FFFFFF, task->t.ucode_data & 0x3FFFFFF, true);
+    app->processDisplayLists(app->core.RDRAM, task->t.data_ptr & 0x3FFFFFF, 0, true);
+}
+
+void zelda64::renderer::RT64Context::update_screen(uint32_t vi_origin) {
+    VI_ORIGIN_REG = vi_origin;
+
+    app->updateScreen();
+}
+
+void zelda64::renderer::RT64Context::shutdown() {
+    if (app != nullptr) {
+        app->end();
+    }
+}
+
+bool zelda64::renderer::RT64Context::update_config(const ultramodern::renderer::GraphicsConfig& old_config, const ultramodern::renderer::GraphicsConfig& new_config) {
+    if (old_config == new_config) {
+        return false;
+    }
+
+    if (new_config.wm_option != old_config.wm_option) {
+        app->setFullScreen(new_config.wm_option == ultramodern::renderer::WindowMode::Fullscreen);
+    }
+
+    set_application_user_config(app.get(), new_config);
+
+    app->updateUserConfig(true);
+
+    if (new_config.msaa_option != old_config.msaa_option) {
+        app->updateMultisampling();
+    }
+    return true;
+}
+
+void zelda64::renderer::RT64Context::enable_instant_present() {
+    // Enable the present early presentation mode for minimal latency.
+    app->enhancementConfig.presentation.mode = RT64::EnhancementConfiguration::Presentation::Mode::PresentEarly;
+
+    app->updateEnhancementConfig();
+}
+
+uint32_t zelda64::renderer::RT64Context::get_display_framerate() const {
+    return app->presentQueue->ext.sharedResources->swapChainRate;
+}
+
+float zelda64::renderer::RT64Context::get_resolution_scale() const {
+    constexpr int ReferenceHeight = 240;
+    switch (app->userConfig.resolution) {
+        case RT64::UserConfiguration::Resolution::WindowIntegerScale:
+            if (app->sharedQueueResources->swapChainHeight > 0) {
+                return std::max(float((app->sharedQueueResources->swapChainHeight + ReferenceHeight - 1) / ReferenceHeight), 1.0f);
+            }
+            else {
+                return 1.0f;
+            }
+        case RT64::UserConfiguration::Resolution::Manual:
+            return float(app->userConfig.resolutionMultiplier);
+        case RT64::UserConfiguration::Resolution::Original:
+        default:
+            return 1.0f;
+    }
+}
+
+void zelda64::renderer::RT64Context::load_shader_cache(std::span<const char> cache_binary) {
+    // TODO figure out how to avoid a copy here.
+    std::istringstream cache_stream{std::string{cache_binary.data(), cache_binary.size()}};
+
+    if (!app->rasterShaderCache->loadOfflineList(cache_stream)) {
+       printf("Failed to preload shader cache!\n");
+       assert(false);
+    }
+}
+
+RT64::UserConfiguration::Antialiasing zelda64::renderer::RT64MaxMSAA() {
+    return device_max_msaa;
+}
+
+std::unique_ptr<ultramodern::renderer::RendererContext> zelda64::renderer::create_render_context(uint8_t* rdram, ultramodern::renderer::WindowHandle window_handle, bool developer_mode) {
+    return std::make_unique<zelda64::renderer::RT64Context>(rdram, window_handle, developer_mode);
+}
+
+bool zelda64::renderer::RT64SamplePositionsSupported() {
+    return sample_positions_supported;
+}
+
+bool zelda64::renderer::RT64HighPrecisionFBEnabled() {
+    return high_precision_fb_enabled;
+}

src/ui/ui_config.cpp

@@ -3,13 +3,13 @@
 #include "zelda_sound.h"
 #include "zelda_config.h"
 #include "zelda_debug.h"
+#include "zelda_render.h"
 #include "promptfont.h"
 #include "ultramodern/config.hpp"
 #include "ultramodern/ultramodern.hpp"
 #include "RmlUi/Core.h"
-#include "ultramodern/rt64_layer.hpp"
 
-ultramodern::GraphicsConfig new_options;
+ultramodern::renderer::GraphicsConfig new_options;
 Rml::DataModelHandle nav_help_model_handle;
 Rml::DataModelHandle general_model_handle;
 Rml::DataModelHandle controls_model_handle;
@@ -214,9 +214,9 @@ extern SDL_Window* window;
 #endif
 
 void apply_graphics_config(void) {
-	ultramodern::set_graphics_config(new_options);
+	ultramodern::renderer::set_graphics_config(new_options);
 #if defined(__linux__) // TODO: Remove once RT64 gets native fullscreen support on Linux
-	if (new_options.wm_option == ultramodern::WindowMode::Fullscreen) {
+	if (new_options.wm_option == ultramodern::renderer::WindowMode::Fullscreen) {
 		SDL_SetWindowFullscreen(window,SDL_WINDOW_FULLSCREEN_DESKTOP);
 	} else {
 		SDL_SetWindowFullscreen(window,0);
@@ -225,7 +225,7 @@ void apply_graphics_config(void) {
 }
 
 void close_config_menu() {
-	if (ultramodern::get_graphics_config() != new_options) {
+	if (ultramodern::renderer::get_graphics_config() != new_options) {
 		prompt_context.open_prompt(
 			"Graphics options have changed",
 			"Would you like to apply or discard the changes?",
@@ -237,7 +237,7 @@ void close_config_menu() {
 				close_config_menu_impl();
 			},
 			[]() {
-				new_options = ultramodern::get_graphics_config();
+				new_options = ultramodern::renderer::get_graphics_config();
 				graphics_model_handle.DirtyAllVariables();
 				close_config_menu_impl();
 			},
@@ -612,7 +612,7 @@ public:
 		}
 
 		ultramodern::sleep_milliseconds(50);
-		new_options = ultramodern::get_graphics_config();
+		new_options = ultramodern::renderer::get_graphics_config();
 		bind_config_list_events(constructor);
 
 		constructor.BindFunc("res_option",
@@ -639,7 +639,7 @@ public:
 			});
 		constructor.BindFunc("ds_option",
 			[](Rml::Variant& out) {
-				if (new_options.res_option == ultramodern::Resolution::Auto) {
+				if (new_options.res_option == ultramodern::renderer::Resolution::Auto) {
 					out = 1;
 				} else {
 					out = new_options.ds_option;
@@ -658,23 +658,23 @@ public:
 
 		constructor.BindFunc("options_changed",
 			[](Rml::Variant& out) {
-				out = (ultramodern::get_graphics_config() != new_options);
+				out = (ultramodern::renderer::get_graphics_config() != new_options);
 			});
 		constructor.BindFunc("ds_info",
 			[](Rml::Variant& out) {
 				switch (new_options.res_option) {
 					default:
-					case ultramodern::Resolution::Auto:
+					case ultramodern::renderer::Resolution::Auto:
 						out = "Downsampling is not available at auto resolution";
 						return;
-					case ultramodern::Resolution::Original:
+					case ultramodern::renderer::Resolution::Original:
 						if (new_options.ds_option == 2) {
 							out = "Rendered in 480p and scaled to 240p";
 						} else if (new_options.ds_option == 4) {
 							out = "Rendered in 960p and scaled to 240p";
 						}
 						return;
-					case ultramodern::Resolution::Original2x:
+					case ultramodern::renderer::Resolution::Original2x:
 						if (new_options.ds_option == 2) {
 							out = "Rendered in 960p and scaled to 480p";
 						} else if (new_options.ds_option == 4) {
@@ -1000,18 +1000,18 @@ void zelda64::set_debug_mode_enabled(bool enabled) {
 }
 
 void recompui::update_supported_options() {
-	msaa2x_supported = ultramodern::RT64MaxMSAA() >= RT64::UserConfiguration::Antialiasing::MSAA2X;
+	msaa2x_supported = zelda64::renderer::RT64MaxMSAA() >= RT64::UserConfiguration::Antialiasing::MSAA2X;
-	msaa4x_supported = ultramodern::RT64MaxMSAA() >= RT64::UserConfiguration::Antialiasing::MSAA4X;
+	msaa4x_supported = zelda64::renderer::RT64MaxMSAA() >= RT64::UserConfiguration::Antialiasing::MSAA4X;
-	msaa8x_supported = ultramodern::RT64MaxMSAA() >= RT64::UserConfiguration::Antialiasing::MSAA8X;
+	msaa8x_supported = zelda64::renderer::RT64MaxMSAA() >= RT64::UserConfiguration::Antialiasing::MSAA8X;
-	sample_positions_supported = ultramodern::RT64SamplePositionsSupported();
+	sample_positions_supported = zelda64::renderer::RT64SamplePositionsSupported();
 	
-	new_options = ultramodern::get_graphics_config();
+	new_options = ultramodern::renderer::get_graphics_config();
 
 	graphics_model_handle.DirtyAllVariables();
 }
 
 void recompui::toggle_fullscreen() {
-	new_options.wm_option = (new_options.wm_option == ultramodern::WindowMode::Windowed) ? ultramodern::WindowMode::Fullscreen : ultramodern::WindowMode::Windowed;
+	new_options.wm_option = (new_options.wm_option == ultramodern::renderer::WindowMode::Windowed) ? ultramodern::renderer::WindowMode::Fullscreen : ultramodern::renderer::WindowMode::Windowed;
 	apply_graphics_config();
 	graphics_model_handle.DirtyVariable("wm_option");
 }

src/ui/ui_renderer.cpp

@@ -19,7 +19,6 @@
 
 #include "concurrentqueue.h"
 
-#include "ultramodern/rt64_layer.hpp"
 #include "rt64_render_hooks.h"
 #include "rt64_render_interface_builders.h"
 
@@ -1458,7 +1457,7 @@ void deinit_hook() {
     ui_context.reset();
 }
 
-void set_rt64_hooks() {
+void recompui::set_render_hooks() {
     RT64::SetRenderHooks(init_hook, draw_hook, deinit_hook);
 }