mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-08-19 07:08:43 +02:00
168 lines
6.1 KiB
C#
168 lines
6.1 KiB
C#
using OpenTK;
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using OpenTK.Graphics.OpenGL;
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using Ryujinx.Common.Configuration;
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using Ryujinx.Common.Logging;
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using Ryujinx.Graphics.OpenGL;
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using Ryujinx.Input.HLE;
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using System;
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using static SDL2.SDL;
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namespace Ryujinx.Headless.SDL2.OpenGL
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{
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class OpenGLWindow : WindowBase
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{
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private static void SetupOpenGLAttributes(bool sharedContext, GraphicsDebugLevel debugLevel)
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{
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SDL_GL_SetAttribute(SDL_GLattr.SDL_GL_CONTEXT_MAJOR_VERSION, 3);
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SDL_GL_SetAttribute(SDL_GLattr.SDL_GL_CONTEXT_MINOR_VERSION, 3);
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SDL_GL_SetAttribute(SDL_GLattr.SDL_GL_CONTEXT_PROFILE_MASK, SDL_GLprofile.SDL_GL_CONTEXT_PROFILE_COMPATIBILITY);
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SDL_GL_SetAttribute(SDL_GLattr.SDL_GL_CONTEXT_FLAGS, debugLevel != GraphicsDebugLevel.None ? (int)SDL_GLcontext.SDL_GL_CONTEXT_DEBUG_FLAG : 0);
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SDL_GL_SetAttribute(SDL_GLattr.SDL_GL_SHARE_WITH_CURRENT_CONTEXT, sharedContext ? 1 : 0);
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SDL_GL_SetAttribute(SDL_GLattr.SDL_GL_ACCELERATED_VISUAL, 1);
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SDL_GL_SetAttribute(SDL_GLattr.SDL_GL_RED_SIZE, 8);
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SDL_GL_SetAttribute(SDL_GLattr.SDL_GL_GREEN_SIZE, 8);
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SDL_GL_SetAttribute(SDL_GLattr.SDL_GL_BLUE_SIZE, 8);
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SDL_GL_SetAttribute(SDL_GLattr.SDL_GL_ALPHA_SIZE, 8);
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SDL_GL_SetAttribute(SDL_GLattr.SDL_GL_DEPTH_SIZE, 16);
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SDL_GL_SetAttribute(SDL_GLattr.SDL_GL_STENCIL_SIZE, 0);
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SDL_GL_SetAttribute(SDL_GLattr.SDL_GL_DOUBLEBUFFER, 1);
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SDL_GL_SetAttribute(SDL_GLattr.SDL_GL_STEREO, 0);
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}
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private class OpenToolkitBindingsContext : IBindingsContext
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{
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public IntPtr GetProcAddress(string procName)
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{
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return SDL_GL_GetProcAddress(procName);
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}
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}
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private class SDL2OpenGLContext : IOpenGLContext
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{
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private IntPtr _context;
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private IntPtr _window;
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private bool _shouldDisposeWindow;
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public SDL2OpenGLContext(IntPtr context, IntPtr window, bool shouldDisposeWindow = true)
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{
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_context = context;
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_window = window;
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_shouldDisposeWindow = shouldDisposeWindow;
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}
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public static SDL2OpenGLContext CreateBackgroundContext(SDL2OpenGLContext sharedContext)
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{
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sharedContext.MakeCurrent();
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// Ensure we share our contexts.
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SetupOpenGLAttributes(true, GraphicsDebugLevel.None);
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IntPtr windowHandle = SDL_CreateWindow("Ryujinx background context window", 0, 0, 1, 1, SDL_WindowFlags.SDL_WINDOW_OPENGL | SDL_WindowFlags.SDL_WINDOW_HIDDEN);
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IntPtr context = SDL_GL_CreateContext(windowHandle);
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GL.LoadBindings(new OpenToolkitBindingsContext());
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SDL_GL_SetAttribute(SDL_GLattr.SDL_GL_SHARE_WITH_CURRENT_CONTEXT, 0);
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SDL_GL_MakeCurrent(windowHandle, IntPtr.Zero);
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return new SDL2OpenGLContext(context, windowHandle);
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}
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public void MakeCurrent()
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{
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if (SDL_GL_GetCurrentContext() == _context || SDL_GL_GetCurrentWindow() == _window)
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{
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return;
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}
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int res = SDL_GL_MakeCurrent(_window, _context);
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if (res != 0)
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{
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string errorMessage = $"SDL_GL_CreateContext failed with error \"{SDL_GetError()}\"";
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Logger.Error?.Print(LogClass.Application, errorMessage);
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throw new Exception(errorMessage);
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}
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}
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public void Dispose()
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{
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SDL_GL_DeleteContext(_context);
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if (_shouldDisposeWindow)
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{
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SDL_DestroyWindow(_window);
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}
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}
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}
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private GraphicsDebugLevel _glLogLevel;
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private SDL2OpenGLContext _openGLContext;
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public OpenGLWindow(InputManager inputManager, GraphicsDebugLevel glLogLevel, AspectRatio aspectRatio, bool enableMouse) : base(inputManager, glLogLevel, aspectRatio, enableMouse)
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{
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_glLogLevel = glLogLevel;
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}
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protected override string GetGpuVendorName()
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{
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return ((Renderer)Renderer).GpuVendor;
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}
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public override SDL_WindowFlags GetWindowFlags() => SDL_WindowFlags.SDL_WINDOW_OPENGL;
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protected override void InitializeRenderer()
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{
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// Ensure to not share this context with other contexts before this point.
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SetupOpenGLAttributes(false, _glLogLevel);
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IntPtr context = SDL_GL_CreateContext(WindowHandle);
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SDL_GL_SetSwapInterval(1);
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if (context == IntPtr.Zero)
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{
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string errorMessage = $"SDL_GL_CreateContext failed with error \"{SDL_GetError()}\"";
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Logger.Error?.Print(LogClass.Application, errorMessage);
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throw new Exception(errorMessage);
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}
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// NOTE: The window handle needs to be disposed by the thread that created it and is handled separately.
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_openGLContext = new SDL2OpenGLContext(context, WindowHandle, false);
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// First take exclusivity on the OpenGL context.
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((Renderer)Renderer).InitializeBackgroundContext(SDL2OpenGLContext.CreateBackgroundContext(_openGLContext));
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_openGLContext.MakeCurrent();
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GL.ClearColor(0, 0, 0, 1.0f);
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GL.Clear(ClearBufferMask.ColorBufferBit);
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SwapBuffers();
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Renderer?.Window.SetSize(DefaultWidth, DefaultHeight);
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MouseDriver.SetClientSize(DefaultWidth, DefaultHeight);
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}
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protected override void FinalizeRenderer()
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{
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// Try to bind the OpenGL context before calling the gpu disposal.
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_openGLContext.MakeCurrent();
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Device.DisposeGpu();
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// Unbind context and destroy everything
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SDL_GL_MakeCurrent(WindowHandle, IntPtr.Zero);
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_openGLContext.Dispose();
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}
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protected override void SwapBuffers()
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{
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SDL_GL_SwapWindow(WindowHandle);
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}
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}
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}
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