Avalonia UI - Part 1 (#3270)

* avalonia part 1

* remove vulkan ui backend

* move ui common files to ui common project

* get name for oading screen from device

* rebase.

* review 1

* review 1.1

* review

* cleanup

* addressed review

* use cancellation token

* review

* review

* rebased

* cancel library loading when closing window

* remove star  image, use fonticon instead

* delete render control frame buffer when game ends. change position of fav star

* addressed @Thog review

* ensure the right ui is downloaded in updates

* fix crash when showing not supported dialog during controller request

* add prefix to artifact names

* Auto-format Avalonia project

* Fix input

* Fix build, simplify app disposal

* remove nv stutter thread

* addressed review

* add missing change

* maintain window size if new size is zero length

* add game, handheld, docked to local

* reverse scale main window

* Update de_DE.json

* Update de_DE.json

* Update de_DE.json

* Update italian json

* Update it_IT.json

* let render timer poll with no wait

* remove unused code

* more unused code

* enabled tiered compilation and trimming

* check if window event is not closed before signaling

* fix atmospher case

* locale fix

* locale fix

* remove explicit tiered compilation declarations

* Remove ) it_IT.json

* Remove ) de_DE.json

* Update it_IT.json

* Update pt_BR locale with latest strings

* Remove ')'

* add more strings to locale

* update locale

* remove extra slash

* remove extra slash

* set firmware version to 0 if key's not found

* fix

* revert timer changes

* lock  on object instead

* Update it_IT.json

* remove unused method

* add load screen text to locale

* drop swap event

* Update de_DE.json

* Update de_DE.json

* do null check when stopping emulator

* Update de_DE.json

* Create tr_TR.json

* Add tr_TR

* Add tr_TR + Turkish

* Update it_IT.json

* Update Ryujinx.Ava/Input/AvaloniaMappingHelper.cs

Co-authored-by: Ac_K <Acoustik666@gmail.com>

* Apply suggestions from code review

Co-authored-by: Ac_K <Acoustik666@gmail.com>

* Apply suggestions from code review

Co-authored-by: Ac_K <Acoustik666@gmail.com>

* addressed review

* Update Ryujinx.Ava/Ui/Backend/OpenGl/OpenGlRenderTarget.cs

Co-authored-by: gdkchan <gab.dark.100@gmail.com>

* use avalonia's inbuilt renderer on linux

* removed whitespace

* workaround for queue render crash with vsync off

* drop custom backend

* format files

* fix not closing issue

* remove warnings

* rebase

* update avalonia library

* Reposition the Text and Button on About Page

* Assign build version

* Remove appveyor text

Co-authored-by: gdk <gab.dark.100@gmail.com>
Co-authored-by: Niwu34 <67392333+Niwu34@users.noreply.github.com>
Co-authored-by: Antonio Brugnolo <36473846+AntoSkate@users.noreply.github.com>
Co-authored-by: aegiff <99728970+aegiff@users.noreply.github.com>
Co-authored-by: Ac_K <Acoustik666@gmail.com>
Co-authored-by: MostlyWhat <78652091+MostlyWhat@users.noreply.github.com>

3 files changed, 43 insertions, 16 deletions

diff --git a/Ryujinx.Headless.SDL2/OpenGL/OpenGLWindow.cs b/Ryujinx.Headless.SDL2/OpenGL/OpenGLWindow.cs
index df0dd1e7..a6995143 100644
--- a/Ryujinx.Headless.SDL2/OpenGL/OpenGLWindow.cs
+++ b/Ryujinx.Headless.SDL2/OpenGL/OpenGLWindow.cs
@@ -141,7 +141,7 @@ namespace Ryujinx.Headless.SDL2.OpenGL
 
             GL.ClearColor(0, 0, 0, 1.0f);
             GL.Clear(ClearBufferMask.ColorBufferBit);
-            SwapBuffers();
+            SwapBuffers(0);
 
             Renderer?.Window.SetSize(DefaultWidth, DefaultHeight);
             MouseDriver.SetClientSize(DefaultWidth, DefaultHeight);
@@ -159,8 +159,28 @@ namespace Ryujinx.Headless.SDL2.OpenGL
             _openGLContext.Dispose();
         }
 
-        protected override void SwapBuffers()
+        protected override void SwapBuffers(object image)
         {
+            if ((int)image != 0)
+            {
+                // The game's framebruffer is already bound, so blit it to the window's backbuffer
+                GL.BindFramebuffer(FramebufferTarget.DrawFramebuffer, 0);
+
+                GL.Clear(ClearBufferMask.ColorBufferBit);
+                GL.ClearColor(0, 0, 0, 1);
+
+                GL.BlitFramebuffer(0,
+                    0,
+                    Width,
+                    Height,
+                    0,
+                    0,
+                    Width,
+                    Height,
+                    ClearBufferMask.ColorBufferBit,
+                    BlitFramebufferFilter.Linear);
+            }
+
             SDL_GL_SwapWindow(WindowHandle);
         }
     }
diff --git a/Ryujinx.Headless.SDL2/Ryujinx.Headless.SDL2.csproj b/Ryujinx.Headless.SDL2/Ryujinx.Headless.SDL2.csproj
index 0c92a227..f1ee1fba 100644
--- a/Ryujinx.Headless.SDL2/Ryujinx.Headless.SDL2.csproj
+++ b/Ryujinx.Headless.SDL2/Ryujinx.Headless.SDL2.csproj
@@ -30,16 +30,16 @@
     <PackageReference Include="CommandLineParser" Version="2.8.0" />
   </ItemGroup>
 
-  <ItemGroup>
-    <None Update="..\Ryujinx\THIRDPARTY.md">
-      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-      <TargetPath>THIRDPARTY.md</TargetPath>
-    </None>
-    <ContentWithTargetPath Include="..\Ryujinx.Audio\LICENSE.txt">
-      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-      <TargetPath>LICENSE-Ryujinx.Audio.txt</TargetPath>
-    </ContentWithTargetPath>
-  </ItemGroup>
+	<ItemGroup>
+		<ContentWithTargetPath Include="..\distribution\legal\THIRDPARTY.md">
+			<CopyToOutputDirectory>Always</CopyToOutputDirectory>
+			<TargetPath>THIRDPARTY.md</TargetPath>
+		</ContentWithTargetPath>
+		<ContentWithTargetPath Include="..\Ryujinx.Audio\LICENSE.txt">
+			<CopyToOutputDirectory>Always</CopyToOutputDirectory>
+			<TargetPath>LICENSE-Ryujinx.Audio.txt</TargetPath>
+		</ContentWithTargetPath>
+	</ItemGroup>
 
   <!-- Due to .net core 3.1 embedded resource loading -->
   <PropertyGroup>
diff --git a/Ryujinx.Headless.SDL2/WindowBase.cs b/Ryujinx.Headless.SDL2/WindowBase.cs
index c7c45596..58aa8d07 100644
--- a/Ryujinx.Headless.SDL2/WindowBase.cs
+++ b/Ryujinx.Headless.SDL2/WindowBase.cs
@@ -36,6 +36,8 @@ namespace Ryujinx.Headless.SDL2
         protected IntPtr WindowHandle { get; set; }
 
         public IHostUiTheme HostUiTheme { get; }
+        public int Width { get; private set; }
+        public int Height { get; private set; }
 
         protected SDL2MouseDriver MouseDriver;
         private InputManager _inputManager;
@@ -119,6 +121,9 @@ namespace Ryujinx.Headless.SDL2
 
             _windowId = SDL_GetWindowID(WindowHandle);
             SDL2Driver.Instance.RegisterWindow(_windowId, HandleWindowEvent);
+
+            Width = DefaultWidth;
+            Height = DefaultHeight;
         }
 
         private void HandleWindowEvent(SDL_Event evnt)
@@ -128,8 +133,10 @@ namespace Ryujinx.Headless.SDL2
                 switch (evnt.window.windowEvent)
                 {
                     case SDL_WindowEventID.SDL_WINDOWEVENT_SIZE_CHANGED:
-                        Renderer?.Window.SetSize(evnt.window.data1, evnt.window.data2);
-                        MouseDriver.SetClientSize(evnt.window.data1, evnt.window.data2);
+                        Width = evnt.window.data1;
+                        Height = evnt.window.data2;
+                        Renderer?.Window.SetSize(Width, Height);
+                        MouseDriver.SetClientSize(Width, Height);
                         break;
                     case SDL_WindowEventID.SDL_WINDOWEVENT_CLOSE:
                         Exit();
@@ -148,7 +155,7 @@ namespace Ryujinx.Headless.SDL2
 
         protected abstract void FinalizeRenderer();
 
-        protected abstract void SwapBuffers();
+        protected abstract void SwapBuffers(object image);
 
         protected abstract string GetGpuVendorName();
 
@@ -188,7 +195,7 @@ namespace Ryujinx.Headless.SDL2
 
                     while (Device.ConsumeFrameAvailable())
                     {
-                        Device.PresentFrame(SwapBuffers);
+                        Device.PresentFrame((texture) => { SwapBuffers(texture); });
                     }
 
                     if (_ticks >= _ticksPerFrame)