mirror of
https://github.com/space-wizards/RobustToolbox.git
synced 2026-02-15 03:30:53 +01:00
520 lines
18 KiB
C#
520 lines
18 KiB
C#
using System;
|
|
using System.Diagnostics;
|
|
using System.Globalization;
|
|
using System.Runtime.InteropServices;
|
|
using System.Threading;
|
|
using OpenToolkit;
|
|
using OpenToolkit.Graphics.OpenGL4;
|
|
using Robust.Client.Map;
|
|
using Robust.Client.ResourceManagement;
|
|
using Robust.Client.UserInterface;
|
|
using Robust.Shared;
|
|
using Robust.Shared.Configuration;
|
|
using Robust.Shared.GameObjects;
|
|
using Robust.Shared.IoC;
|
|
using Robust.Shared.Log;
|
|
using Robust.Shared.Map;
|
|
using Robust.Shared.Timing;
|
|
using DependencyAttribute = Robust.Shared.IoC.DependencyAttribute;
|
|
|
|
namespace Robust.Client.Graphics.Clyde
|
|
{
|
|
/// <summary>
|
|
/// Responsible for most things rendering on OpenGL mode.
|
|
/// </summary>
|
|
internal sealed partial class Clyde : IClydeInternal, IClydeAudio, IPostInjectInit
|
|
{
|
|
[Dependency] private readonly IClydeTileDefinitionManager _tileDefinitionManager = default!;
|
|
[Dependency] private readonly IEntityLookup _lookup = default!;
|
|
[Dependency] private readonly IEyeManager _eyeManager = default!;
|
|
[Dependency] private readonly ILightManager _lightManager = default!;
|
|
[Dependency] private readonly ILogManager _logManager = default!;
|
|
[Dependency] private readonly IMapManager _mapManager = default!;
|
|
[Dependency] private readonly IOverlayManager _overlayManager = default!;
|
|
[Dependency] private readonly IResourceCache _resourceCache = default!;
|
|
[Dependency] private readonly IUserInterfaceManagerInternal _userInterfaceManager = default!;
|
|
[Dependency] private readonly IEntitySystemManager _entitySystemManager = default!;
|
|
[Dependency] private readonly IGameTiming _gameTiming = default!;
|
|
[Dependency] private readonly IConfigurationManager _cfg = default!;
|
|
|
|
private GLUniformBuffer<ProjViewMatrices> ProjViewUBO = default!;
|
|
private GLUniformBuffer<UniformConstants> UniformConstantsUBO = default!;
|
|
|
|
private GLBuffer BatchVBO = default!;
|
|
private GLBuffer BatchEBO = default!;
|
|
private GLHandle BatchVAO;
|
|
|
|
// VBO to draw a single quad.
|
|
private GLBuffer QuadVBO = default!;
|
|
private GLHandle QuadVAO;
|
|
|
|
// VBO to blit to the window
|
|
// VAO is per-window and not stored (not necessary!)
|
|
private GLBuffer WindowVBO = default!;
|
|
|
|
private bool _drawingSplash = true;
|
|
|
|
private GLShaderProgram? _currentProgram;
|
|
|
|
private int _lightmapDivider = 2;
|
|
private int _maxLightsPerScene = 128;
|
|
private bool _enableSoftShadows = true;
|
|
|
|
private bool _checkGLErrors;
|
|
|
|
private Thread? _gameThread;
|
|
|
|
private ISawmill _sawmillOgl = default!;
|
|
|
|
private IBindingsContext _glBindingsContext = default!;
|
|
|
|
public Clyde()
|
|
{
|
|
_currentBoundRenderTarget = default!;
|
|
_currentRenderTarget = default!;
|
|
}
|
|
|
|
public bool InitializePreWindowing()
|
|
{
|
|
_sawmillOgl = Logger.GetSawmill("clyde.ogl");
|
|
|
|
_cfg.OnValueChanged(CVars.DisplayOGLCheckErrors, b => _checkGLErrors = b, true);
|
|
_cfg.OnValueChanged(CVars.DisplayVSync, VSyncChanged, true);
|
|
_cfg.OnValueChanged(CVars.DisplayWindowMode, WindowModeChanged, true);
|
|
_cfg.OnValueChanged(CVars.DisplayLightMapDivider, LightmapDividerChanged, true);
|
|
_cfg.OnValueChanged(CVars.DisplayMaxLightsPerScene, MaxLightsPerSceneChanged, true);
|
|
_cfg.OnValueChanged(CVars.DisplaySoftShadows, SoftShadowsChanged, true);
|
|
// I can't be bothered to tear down and set these threads up in a cvar change handler.
|
|
_threadWindowBlit = _cfg.GetCVar(CVars.DisplayThreadWindowBlit);
|
|
|
|
return InitWindowing();
|
|
}
|
|
|
|
public bool InitializePostWindowing()
|
|
{
|
|
_gameThread = Thread.CurrentThread;
|
|
|
|
InitGLContextManager();
|
|
if (!InitMainWindowAndRenderer())
|
|
return false;
|
|
|
|
_initializeAudio();
|
|
return true;
|
|
}
|
|
|
|
public bool SeparateWindowThread => true;
|
|
|
|
public void EnterWindowLoop()
|
|
{
|
|
_windowing!.EnterWindowLoop();
|
|
}
|
|
|
|
public void TerminateWindowLoop()
|
|
{
|
|
_windowing!.TerminateWindowLoop();
|
|
}
|
|
|
|
public void FrameProcess(FrameEventArgs eventArgs)
|
|
{
|
|
_updateAudio();
|
|
|
|
_windowing?.FlushDispose();
|
|
FlushShaderInstanceDispose();
|
|
FlushRenderTargetDispose();
|
|
FlushTextureDispose();
|
|
FlushViewportDispose();
|
|
}
|
|
|
|
public void Ready()
|
|
{
|
|
_drawingSplash = false;
|
|
|
|
InitLighting();
|
|
}
|
|
|
|
public IClydeDebugInfo DebugInfo { get; private set; } = default!;
|
|
public IClydeDebugStats DebugStats => _debugStats;
|
|
|
|
public void PostInject()
|
|
{
|
|
_mapManager.TileChanged += _updateTileMapOnUpdate;
|
|
_mapManager.OnGridCreated += _updateOnGridCreated;
|
|
_mapManager.OnGridRemoved += _updateOnGridRemoved;
|
|
_mapManager.GridChanged += _updateOnGridModified;
|
|
|
|
// This cvar does not modify the actual GL version requested or anything,
|
|
// it overrides the version we detect to detect GL features.
|
|
RegisterBlockCVars();
|
|
}
|
|
|
|
private void GLInitBindings(bool gles)
|
|
{
|
|
_glBindingsContext = _glContext!.BindingsContext;
|
|
GL.LoadBindings(_glBindingsContext);
|
|
|
|
if (gles)
|
|
{
|
|
// On GLES we use some OES and KHR functions so make sure to initialize them.
|
|
OpenToolkit.Graphics.ES20.GL.LoadBindings(_glBindingsContext);
|
|
}
|
|
}
|
|
|
|
private void InitOpenGL()
|
|
{
|
|
GLInitBindings(_isGLES);
|
|
|
|
var vendor = GL.GetString(StringName.Vendor);
|
|
var renderer = GL.GetString(StringName.Renderer);
|
|
var version = GL.GetString(StringName.Version);
|
|
var major = GL.GetInteger(GetPName.MajorVersion);
|
|
var minor = GL.GetInteger(GetPName.MinorVersion);
|
|
|
|
_sawmillOgl.Debug("OpenGL Vendor: {0}", vendor);
|
|
_sawmillOgl.Debug("OpenGL Renderer: {0}", renderer);
|
|
_sawmillOgl.Debug("OpenGL Version: {0}", version);
|
|
|
|
var overrideVersion = ParseGLOverrideVersion();
|
|
|
|
if (overrideVersion != null)
|
|
{
|
|
(major, minor) = overrideVersion.Value;
|
|
_sawmillOgl.Debug("OVERRIDING detected GL version to: {0}.{1}", major, minor);
|
|
}
|
|
|
|
DetectOpenGLFeatures(major, minor);
|
|
SetupDebugCallback();
|
|
|
|
LoadVendorSettings(vendor, renderer, version);
|
|
|
|
var glVersion = new OpenGLVersion((byte) major, (byte) minor, _isGLES, _isCore);
|
|
|
|
DebugInfo = new ClydeDebugInfo(glVersion, renderer, vendor, version, overrideVersion != null);
|
|
|
|
GL.Enable(EnableCap.Blend);
|
|
if (_hasGLSrgb && !_isGLES)
|
|
{
|
|
GL.Enable(EnableCap.FramebufferSrgb);
|
|
CheckGlError();
|
|
}
|
|
if (_hasGLPrimitiveRestart)
|
|
{
|
|
GL.Enable(EnableCap.PrimitiveRestart);
|
|
CheckGlError();
|
|
GL.PrimitiveRestartIndex(PrimitiveRestartIndex);
|
|
CheckGlError();
|
|
}
|
|
if (!HasGLAnyVertexArrayObjects)
|
|
{
|
|
_sawmillOgl.Warning("NO VERTEX ARRAY OBJECTS! Things will probably go terribly, terribly wrong (no fallback path yet)");
|
|
}
|
|
|
|
ResetBlendFunc();
|
|
|
|
CheckGlError();
|
|
|
|
// Primitive Restart's presence or lack thereof changes the amount of required memory.
|
|
InitRenderingBatchBuffers();
|
|
|
|
_sawmillOgl.Debug("Loading stock textures...");
|
|
|
|
LoadStockTextures();
|
|
|
|
_sawmillOgl.Debug("Loading stock shaders...");
|
|
|
|
LoadStockShaders();
|
|
|
|
_sawmillOgl.Debug("Creating various GL objects...");
|
|
|
|
CreateMiscGLObjects();
|
|
|
|
_sawmillOgl.Debug("Setting up RenderHandle...");
|
|
|
|
_renderHandle = new RenderHandle(this);
|
|
|
|
_sawmillOgl.Debug("Setting viewport and rendering splash...");
|
|
|
|
GL.Viewport(0, 0, ScreenSize.X, ScreenSize.Y);
|
|
CheckGlError();
|
|
|
|
// Quickly do a render with _drawingSplash = true so the screen isn't blank.
|
|
Render();
|
|
}
|
|
|
|
private (int major, int minor)? ParseGLOverrideVersion()
|
|
{
|
|
var overrideGLVersion = _cfg.GetCVar(CVars.DisplayOGLOverrideVersion);
|
|
if (string.IsNullOrEmpty(overrideGLVersion))
|
|
{
|
|
return null;
|
|
}
|
|
|
|
var split = overrideGLVersion.Split(".");
|
|
if (split.Length != 2)
|
|
{
|
|
_sawmillOgl.Warning("display.ogl_override_version is in invalid format");
|
|
return null;
|
|
}
|
|
|
|
if (!int.TryParse(split[0], NumberStyles.Integer, CultureInfo.InvariantCulture, out var major)
|
|
|| !int.TryParse(split[1], NumberStyles.Integer, CultureInfo.InvariantCulture, out var minor))
|
|
{
|
|
_sawmillOgl.Warning("display.ogl_override_version is in invalid format");
|
|
return null;
|
|
}
|
|
|
|
return (major, minor);
|
|
}
|
|
|
|
private unsafe void CreateMiscGLObjects()
|
|
{
|
|
// Quad drawing.
|
|
{
|
|
Span<Vertex2D> quadVertices = stackalloc[]
|
|
{
|
|
new Vertex2D(1, 0, 1, 1),
|
|
new Vertex2D(0, 0, 0, 1),
|
|
new Vertex2D(1, 1, 1, 0),
|
|
new Vertex2D(0, 1, 0, 0)
|
|
};
|
|
|
|
QuadVBO = new GLBuffer<Vertex2D>(this, BufferTarget.ArrayBuffer, BufferUsageHint.StaticDraw,
|
|
quadVertices,
|
|
nameof(QuadVBO));
|
|
|
|
QuadVAO = MakeQuadVao();
|
|
|
|
CheckGlError();
|
|
}
|
|
|
|
// Window VBO
|
|
{
|
|
Span<Vertex2D> winVertices = stackalloc[]
|
|
{
|
|
new Vertex2D(-1, 1, 0, 1),
|
|
new Vertex2D(-1, -1, 0, 0),
|
|
new Vertex2D(1, 1, 1, 1),
|
|
new Vertex2D(1, -1, 1, 0),
|
|
};
|
|
|
|
WindowVBO = new GLBuffer<Vertex2D>(
|
|
this,
|
|
BufferTarget.ArrayBuffer,
|
|
BufferUsageHint.StaticDraw,
|
|
winVertices,
|
|
nameof(WindowVBO));
|
|
|
|
CheckGlError();
|
|
}
|
|
|
|
// Batch rendering
|
|
{
|
|
BatchVBO = new GLBuffer(this, BufferTarget.ArrayBuffer, BufferUsageHint.DynamicDraw,
|
|
Vertex2D.SizeOf * BatchVertexData.Length, nameof(BatchVBO));
|
|
|
|
BatchVAO = new GLHandle(GenVertexArray());
|
|
BindVertexArray(BatchVAO.Handle);
|
|
ObjectLabelMaybe(ObjectLabelIdentifier.VertexArray, BatchVAO, nameof(BatchVAO));
|
|
// Vertex Coords
|
|
GL.VertexAttribPointer(0, 2, VertexAttribPointerType.Float, false, Vertex2D.SizeOf, 0);
|
|
GL.EnableVertexAttribArray(0);
|
|
// Texture Coords.
|
|
GL.VertexAttribPointer(1, 2, VertexAttribPointerType.Float, false, Vertex2D.SizeOf, 2 * sizeof(float));
|
|
GL.EnableVertexAttribArray(1);
|
|
|
|
CheckGlError();
|
|
|
|
BatchEBO = new GLBuffer(this, BufferTarget.ElementArrayBuffer, BufferUsageHint.DynamicDraw,
|
|
sizeof(ushort) * BatchIndexData.Length, nameof(BatchEBO));
|
|
}
|
|
|
|
ProjViewUBO = new GLUniformBuffer<ProjViewMatrices>(this, BindingIndexProjView, nameof(ProjViewUBO));
|
|
UniformConstantsUBO = new GLUniformBuffer<UniformConstants>(this, BindingIndexUniformConstants, nameof(UniformConstantsUBO));
|
|
|
|
screenBufferHandle = new GLHandle(GL.GenTexture());
|
|
GL.BindTexture(TextureTarget.Texture2D, screenBufferHandle.Handle);
|
|
ApplySampleParameters(TextureSampleParameters.Default);
|
|
ScreenBufferTexture = GenTexture(screenBufferHandle, _mainWindow!.FramebufferSize, true, null, TexturePixelType.Rgba32);
|
|
}
|
|
|
|
private GLHandle MakeQuadVao()
|
|
{
|
|
var vao = new GLHandle(GenVertexArray());
|
|
BindVertexArray(vao.Handle);
|
|
ObjectLabelMaybe(ObjectLabelIdentifier.VertexArray, vao, nameof(QuadVAO));
|
|
GL.BindBuffer(BufferTarget.ArrayBuffer, QuadVBO.ObjectHandle);
|
|
// Vertex Coords
|
|
GL.VertexAttribPointer(0, 2, VertexAttribPointerType.Float, false, Vertex2D.SizeOf, 0);
|
|
GL.EnableVertexAttribArray(0);
|
|
// Texture Coords.
|
|
GL.VertexAttribPointer(1, 2, VertexAttribPointerType.Float, false, Vertex2D.SizeOf, 2 * sizeof(float));
|
|
GL.EnableVertexAttribArray(1);
|
|
|
|
return vao;
|
|
}
|
|
|
|
[Conditional("DEBUG")]
|
|
private void SetupDebugCallback()
|
|
{
|
|
if (!_hasGLKhrDebug)
|
|
{
|
|
_sawmillOgl.Debug("KHR_debug not present, OpenGL debug logging not enabled.");
|
|
return;
|
|
}
|
|
|
|
GL.Enable(EnableCap.DebugOutput);
|
|
GL.Enable(EnableCap.DebugOutputSynchronous);
|
|
|
|
GCHandle.Alloc(_debugMessageCallbackInstance);
|
|
|
|
// OpenTK seemed to have trouble marshalling the delegate so do it manually.
|
|
|
|
var procName = _isGLKhrDebugESExtension ? "glDebugMessageCallbackKHR" : "glDebugMessageCallback";
|
|
LoadGLProc(procName, out DebugMessageCallbackDelegate proc);
|
|
_debugMessageCallbackInstance = DebugMessageCallback;
|
|
var funcPtr = Marshal.GetFunctionPointerForDelegate(_debugMessageCallbackInstance);
|
|
proc(funcPtr, new IntPtr(0x3005));
|
|
}
|
|
|
|
private delegate void DebugMessageCallbackDelegate(IntPtr funcPtr, IntPtr userParam);
|
|
|
|
private void DebugMessageCallback(DebugSource source, DebugType type, int id, DebugSeverity severity,
|
|
int length, IntPtr message, IntPtr userParam)
|
|
{
|
|
var contents = $"{source}: " + Marshal.PtrToStringAnsi(message, length);
|
|
|
|
var category = "ogl.debug";
|
|
switch (type)
|
|
{
|
|
case DebugType.DebugTypePerformance:
|
|
category += ".performance";
|
|
break;
|
|
case DebugType.DebugTypeOther:
|
|
category += ".other";
|
|
break;
|
|
case DebugType.DebugTypeError:
|
|
category += ".error";
|
|
break;
|
|
case DebugType.DebugTypeDeprecatedBehavior:
|
|
category += ".deprecated";
|
|
break;
|
|
case DebugType.DebugTypeUndefinedBehavior:
|
|
category += ".ub";
|
|
break;
|
|
case DebugType.DebugTypePortability:
|
|
category += ".portability";
|
|
break;
|
|
case DebugType.DebugTypeMarker:
|
|
case DebugType.DebugTypePushGroup:
|
|
case DebugType.DebugTypePopGroup:
|
|
// These are inserted by our own code so I imagine they're not necessary to log?
|
|
return;
|
|
default:
|
|
throw new ArgumentOutOfRangeException(nameof(type), type, null);
|
|
}
|
|
|
|
var sawmill = _logManager.GetSawmill(category);
|
|
|
|
switch (severity)
|
|
{
|
|
case DebugSeverity.DontCare:
|
|
sawmill.Info(contents);
|
|
break;
|
|
case DebugSeverity.DebugSeverityNotification:
|
|
sawmill.Info(contents);
|
|
break;
|
|
case DebugSeverity.DebugSeverityHigh:
|
|
sawmill.Error(contents);
|
|
break;
|
|
case DebugSeverity.DebugSeverityMedium:
|
|
sawmill.Error(contents);
|
|
break;
|
|
case DebugSeverity.DebugSeverityLow:
|
|
sawmill.Warning(contents);
|
|
break;
|
|
default:
|
|
throw new ArgumentOutOfRangeException(nameof(severity), severity, null);
|
|
}
|
|
}
|
|
|
|
private static DebugProc? _debugMessageCallbackInstance;
|
|
|
|
[Conditional("DEBUG")]
|
|
private void ObjectLabelMaybe(ObjectLabelIdentifier identifier, uint name, string? label)
|
|
{
|
|
if (label == null)
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (!_hasGLKhrDebug)
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (_isGLKhrDebugESExtension)
|
|
{
|
|
GL.Khr.ObjectLabel((ObjectIdentifier) identifier, name, label.Length, label);
|
|
}
|
|
else
|
|
{
|
|
GL.ObjectLabel(identifier, name, label.Length, label);
|
|
}
|
|
}
|
|
|
|
[Conditional("DEBUG")]
|
|
private void ObjectLabelMaybe(ObjectLabelIdentifier identifier, GLHandle name, string? label)
|
|
{
|
|
ObjectLabelMaybe(identifier, name.Handle, label);
|
|
}
|
|
|
|
private PopDebugGroup DebugGroup(string group)
|
|
{
|
|
PushDebugGroupMaybe(group);
|
|
return new PopDebugGroup(this);
|
|
}
|
|
|
|
[Conditional("DEBUG")]
|
|
private void PushDebugGroupMaybe(string group)
|
|
{
|
|
if (!_hasGLKhrDebug || true)
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (_isGLKhrDebugESExtension)
|
|
{
|
|
GL.Khr.PushDebugGroup((DebugSource) DebugSourceExternal.DebugSourceApplication, 0, group.Length, group);
|
|
}
|
|
else
|
|
{
|
|
GL.PushDebugGroup(DebugSourceExternal.DebugSourceApplication, 0, group.Length, group);
|
|
}
|
|
}
|
|
|
|
[Conditional("DEBUG")]
|
|
private void PopDebugGroupMaybe()
|
|
{
|
|
if (!_hasGLKhrDebug || true)
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (_isGLKhrDebugESExtension)
|
|
{
|
|
GL.Khr.PopDebugGroup();
|
|
}
|
|
else
|
|
{
|
|
GL.PopDebugGroup();
|
|
}
|
|
}
|
|
|
|
public void Shutdown()
|
|
{
|
|
_glContext?.Shutdown();
|
|
ShutdownWindowing();
|
|
_shutdownAudio();
|
|
}
|
|
}
|
|
}
|