Add option for high-res graphics (#111)

Author: loganmc10

parallel-rdp/interface.cpp

@@ -132,7 +132,7 @@ static const unsigned cmd_len_lut[64] = {
 	1,
 };
 
-void rdp_init(void *_window, GFX_INFO _gfx_info, bool _fullscreen)
+void rdp_init(void *_window, GFX_INFO _gfx_info, bool _fullscreen, bool _upscale)
 {
 	window = (SDL_Window *)_window;
 	SDL_SetEventFilter(sdl_event_filter, nullptr);
@@ -156,6 +156,11 @@ void rdp_init(void *_window, GFX_INFO _gfx_info, bool _fullscreen)
 		rdp_close();
 	}
 	RDP::CommandProcessorFlags flags = 0;
+	if (_upscale)
+	{
+		flags |= RDP::COMMAND_PROCESSOR_FLAG_UPSCALING_2X_BIT;
+		flags |= RDP::COMMAND_PROCESSOR_FLAG_SUPER_SAMPLED_DITHER_BIT;
+	}
 	processor = new RDP::CommandProcessor(wsi->get_device(), gfx_info.RDRAM, 0, gfx_info.RDRAM_SIZE, gfx_info.RDRAM_SIZE / 2, flags);
 
 	if (!processor->device_is_supported())

parallel-rdp/interface.hpp

@@ -23,7 +23,7 @@ extern "C"
 		uint32_t *VI_WIDTH_REG;
 	} GFX_INFO;
 
-	void rdp_init(void *_window, GFX_INFO _gfx_info, bool fullscreen);
+	void rdp_init(void *_window, GFX_INFO _gfx_info, bool fullscreen, bool _upscale);
 	void rdp_close();
 	void rdp_set_vi_register(uint32_t reg, uint32_t value);
 	bool rdp_update_screen();

src/ui/config.rs

@@ -18,8 +18,13 @@ pub struct Input {
     pub controller_enabled: [bool; 4],
 }
 #[derive(serde::Serialize, serde::Deserialize)]
+pub struct Video {
+    pub upscale: bool,
+}
+#[derive(serde::Serialize, serde::Deserialize)]
 pub struct Config {
     pub input: Input,
+    pub video: Video,
 }
 
 impl Config {
@@ -38,6 +43,7 @@ impl Config {
                 input_profiles,
                 controller_enabled: [true, false, false, false],
             },
+            video: Video { upscale: false },
         }
     }
 }

src/ui/gui.rs

@@ -10,6 +10,7 @@ pub struct GopherEguiApp {
     selected_profile: [String; 4],
     input_profiles: Vec<String>,
     controller_enabled: [bool; 4],
+    upscale: bool,
 }
 
 fn get_input_profiles(game_ui: &ui::Ui) -> Vec<String> {
@@ -65,6 +66,7 @@ impl GopherEguiApp {
             controllers: get_controllers(&game_ui),
             input_profiles: get_input_profiles(&game_ui),
             controller_enabled: game_ui.config.input.controller_enabled,
+            upscale: game_ui.config.video.upscale,
         }
     }
 }
@@ -74,6 +76,7 @@ fn save_config(
     selected_controller: [i32; 4],
     selected_profile: [String; 4],
     controller_enabled: [bool; 4],
+    upscale: bool,
 ) {
     let joystick_subsystem = game_ui.joystick_subsystem.as_ref().unwrap();
     for (pos, item) in selected_controller.iter().enumerate() {
@@ -91,6 +94,8 @@ fn save_config(
 
     game_ui.config.input.input_profile_binding = selected_profile;
     game_ui.config.input.controller_enabled = controller_enabled;
+
+    game_ui.config.video.upscale = upscale;
 }
 
 impl Drop for GopherEguiApp {
@@ -101,6 +106,7 @@ impl Drop for GopherEguiApp {
             self.selected_controller,
             self.selected_profile.clone(),
             self.controller_enabled,
+            self.upscale,
         );
     }
 }
@@ -148,6 +154,7 @@ impl eframe::App for GopherEguiApp {
                 let selected_controller = self.selected_controller;
                 let selected_profile = self.selected_profile.clone();
                 let controller_enabled = self.controller_enabled;
+                let upscale = self.upscale;
                 execute(async move {
                     let file = task.await;
 
@@ -166,6 +173,7 @@ impl eframe::App for GopherEguiApp {
                             selected_controller,
                             selected_profile,
                             controller_enabled,
+                            upscale,
                         );
                         device::run_game(std::path::Path::new(file.path()), &mut device, false);
                         let _ = std::fs::remove_file(running_file.clone());
@@ -233,6 +241,8 @@ impl eframe::App for GopherEguiApp {
                 }
             });
             ui.add_space(32.0);
+            ui.checkbox(&mut self.upscale, "High-Res Graphics");
+            ui.add_space(32.0);
             ui.label(format!("Version: {}", env!("CARGO_PKG_VERSION")));
         });
     }

src/ui/video.rs

@@ -17,7 +17,7 @@ pub struct GfxInfo {
 }
 
 unsafe extern "C" {
-    pub fn rdp_init(window: usize, gfx_info: GfxInfo, fullscreen: bool);
+    pub fn rdp_init(window: usize, gfx_info: GfxInfo, fullscreen: bool, upscale: bool);
     pub fn rdp_close();
     pub fn rdp_update_screen() -> bool;
     pub fn rdp_set_vi_register(reg: u32, value: u32);
@@ -62,6 +62,7 @@ pub fn init(device: &mut device::Device, fullscreen: bool) {
             device.ui.window.as_mut().unwrap().raw() as usize,
             gfx_info,
             fullscreen,
+            device.ui.config.video.upscale,
         )
     }
 }