ZoneBuilder/Source/Core/Rendering/D3DDevice.cs
2016-01-23 03:15:37 +01:00

541 lines
15 KiB
C#

#region ================== Copyright (c) 2007 Pascal vd Heiden
/*
* Copyright (c) 2007 Pascal vd Heiden, www.codeimp.com
* This program is released under GNU General Public License
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#endregion
#region ================== Namespaces
using System;
using System.Collections.Generic;
using System.Windows.Forms;
using System.Drawing;
using SlimDX.Direct3D9;
using CodeImp.DoomBuilder.Geometry;
using SlimDX;
using CodeImp.DoomBuilder.Data;
using CodeImp.DoomBuilder.Controls;
#endregion
namespace CodeImp.DoomBuilder.Rendering
{
internal class D3DDevice
{
#region ================== Constants
// NVPerfHUD device name
public const string NVPERFHUD_ADAPTER = "NVPerfHUD";
#endregion
#region ================== Variables
// Settings
private int adapter;
private Filter postfilter;
private Filter mipgeneratefilter;
private static bool isrendering; //mxd
// Main objects
private static Direct3D d3d;
private RenderTargetControl rendertarget;
private Capabilities devicecaps;
private Device device;
private Viewport viewport;
private Dictionary<ID3DResource, ID3DResource> resources;
private ShaderManager shaders;
private Surface backbuffer;
private Surface depthbuffer;
private TextFont font;
private ResourceImage fonttexture;
// Disposing
private bool isdisposed;
#endregion
#region ================== Properties
internal Device Device { get { return device; } }
public bool IsDisposed { get { return isdisposed; } }
public static bool IsRendering { get { return isrendering; } } //mxd
internal RenderTargetControl RenderTarget { get { return rendertarget; } }
internal Viewport Viewport { get { return viewport; } }
internal ShaderManager Shaders { get { return shaders; } }
internal Surface BackBuffer { get { return backbuffer; } }
internal Surface DepthBuffer { get { return depthbuffer; } }
internal TextFont Font { get { return font; } }
internal Texture FontTexture { get { return fonttexture.Texture; } }
internal Filter PostFilter { get { return postfilter; } }
internal Filter MipGenerateFilter { get { return mipgeneratefilter; } }
#endregion
#region ================== Constructor / Disposer
// Constructor
internal D3DDevice(RenderTargetControl rendertarget)
{
// Set render target
this.rendertarget = rendertarget;
// Create resources list
resources = new Dictionary<ID3DResource, ID3DResource>();
// We have no destructor
GC.SuppressFinalize(this);
}
// Disposer
internal void Dispose()
{
// Not already disposed?
if(!isdisposed)
{
// Clean up
foreach(ID3DResource res in resources.Values) res.UnloadResource();
if(shaders != null) shaders.Dispose();
rendertarget = null;
if(backbuffer != null) backbuffer.Dispose();
if(depthbuffer != null) depthbuffer.Dispose();
if(device != null) device.Dispose();
if(font != null) font.Dispose();
if(fonttexture != null) fonttexture.Dispose();
isrendering = false; //mxd
// Done
isdisposed = true;
}
}
#endregion
#region ================== Renderstates
// This completes initialization after the device has started or has been reset
public void SetupSettings()
{
// Setup renderstates
device.SetRenderState(RenderState.AlphaBlendEnable, false);
device.SetRenderState(RenderState.AlphaBlendEnable, false);
device.SetRenderState(RenderState.AlphaFunc, Compare.GreaterEqual);
device.SetRenderState(RenderState.AlphaRef, 0x0000007E);
device.SetRenderState(RenderState.AlphaTestEnable, false);
device.SetRenderState(RenderState.Ambient, Color.White.ToArgb());
device.SetRenderState(RenderState.AmbientMaterialSource, ColorSource.Material);
device.SetRenderState(RenderState.AntialiasedLineEnable, false);
device.SetRenderState(RenderState.Clipping, true);
device.SetRenderState(RenderState.ColorVertex, false);
device.SetRenderState(RenderState.ColorWriteEnable, ColorWriteEnable.Red | ColorWriteEnable.Green | ColorWriteEnable.Blue | ColorWriteEnable.Alpha);
device.SetRenderState(RenderState.CullMode, Cull.None);
device.SetRenderState(RenderState.DestinationBlend, Blend.InverseSourceAlpha);
device.SetRenderState(RenderState.DiffuseMaterialSource, ColorSource.Color1);
device.SetRenderState(RenderState.DitherEnable, true);
device.SetRenderState(RenderState.FillMode, FillMode.Solid);
device.SetRenderState(RenderState.FogEnable, false);
device.SetRenderState(RenderState.FogTableMode, FogMode.Linear);
device.SetRenderState(RenderState.Lighting, false);
device.SetRenderState(RenderState.LocalViewer, false);
device.SetRenderState(RenderState.NormalizeNormals, false);
device.SetRenderState(RenderState.PointSpriteEnable, false);
device.SetRenderState(RenderState.RangeFogEnable, false);
device.SetRenderState(RenderState.SourceBlend, Blend.SourceAlpha);
device.SetRenderState(RenderState.SpecularEnable, false);
device.SetRenderState(RenderState.StencilEnable, false);
device.SetRenderState(RenderState.TextureFactor, -1);
device.SetRenderState(RenderState.ZEnable, false);
device.SetRenderState(RenderState.ZWriteEnable, false);
device.PixelShader = null;
device.VertexShader = null;
// Matrices
device.SetTransform(TransformState.World, Matrix.Identity);
device.SetTransform(TransformState.View, Matrix.Identity);
device.SetTransform(TransformState.Projection, Matrix.Identity);
// Texture addressing
device.SetSamplerState(0, SamplerState.AddressU, TextureAddress.Wrap);
device.SetSamplerState(0, SamplerState.AddressV, TextureAddress.Wrap);
device.SetSamplerState(0, SamplerState.AddressW, TextureAddress.Wrap);
// Setup material
device.Material = new Material
{
Ambient = new Color4(Color.White),
Diffuse = new Color4(Color.White),
Specular = new Color4(Color.White)
};
// Shader settings
shaders.World3D.SetConstants(General.Settings.VisualBilinear, General.Settings.FilterAnisotropy);
// Texture filters
postfilter = Filter.Point;
mipgeneratefilter = Filter.Box;
// Initialize presentations
Presentation.Initialize();
}
#endregion
#region ================== Initialization
// This starts up Direct3D
public static void Startup()
{
d3d = new Direct3D();
}
// This terminates Direct3D
public static void Terminate()
{
if(d3d != null)
{
d3d.Dispose();
d3d = null;
}
}
// This initializes the graphics
public bool Initialize()
{
// Use default adapter
this.adapter = 0; // Manager.Adapters.Default.Adapter;
try
{
// Make present parameters
PresentParameters displaypp = CreatePresentParameters(adapter);
// Determine device type for compatability with NVPerfHUD
DeviceType devtype;
if(d3d.Adapters[adapter].Details.Description.EndsWith(NVPERFHUD_ADAPTER))
devtype = DeviceType.Reference;
else
devtype = DeviceType.Hardware;
// Get the device capabilities
devicecaps = d3d.GetDeviceCaps(adapter, devtype);
// Check if this adapter supports TnL
if((devicecaps.DeviceCaps & DeviceCaps.HWTransformAndLight) != 0)
{
// Initialize with hardware TnL
device = new Device(d3d, adapter, devtype, rendertarget.Handle,
CreateFlags.HardwareVertexProcessing, displaypp);
}
else
{
// Initialize with software TnL
device = new Device(d3d, adapter, devtype, rendertarget.Handle,
CreateFlags.SoftwareVertexProcessing, displaypp);
}
}
catch(Exception)
{
// Failed
MessageBox.Show(General.MainWindow, "Unable to initialize the Direct3D video device. Another application may have taken exclusive mode on this video device or the device does not support Direct3D at all.", Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Error);
return false;
}
//mxd. Check if we can use shaders
if (device.Capabilities.PixelShaderVersion.Major < 2)
{
// Failed
MessageBox.Show(General.MainWindow, "Unable to initialize the Direct3D video device. Video device with Shader Model 2.0 support is required.", Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Error);
return false;
}
// Add event to cancel resize event
//device.DeviceResizing += new CancelEventHandler(CancelResize);
// Keep a reference to the original buffers
backbuffer = device.GetBackBuffer(0, 0);
depthbuffer = device.DepthStencilSurface;
// Get the viewport
viewport = device.Viewport;
// Create shader manager
shaders = new ShaderManager(this);
// Font
postfilter = Filter.Box; // Only for the font. This will be reset in SetupSettings (see below)
font = new TextFont();
fonttexture = new ResourceImage("CodeImp.DoomBuilder.Resources.Font.png");
fonttexture.LoadImage();
fonttexture.MipMapLevels = 2;
fonttexture.CreateTexture();
// Initialize settings
SetupSettings();
// Done
return true;
}
// This is to disable the automatic resize reset
/*private static void CancelResize(object sender, CancelEventArgs e)
{
// Cancel resize event
e.Cancel = true;
}*/
// This creates present parameters
private PresentParameters CreatePresentParameters(int adapter)
{
PresentParameters displaypp = new PresentParameters();
// Get current display mode
DisplayMode currentmode = d3d.Adapters[adapter].CurrentDisplayMode;
// Make present parameters
displaypp.Windowed = true;
displaypp.SwapEffect = SwapEffect.Discard;
displaypp.BackBufferCount = 1;
displaypp.BackBufferFormat = currentmode.Format;
displaypp.BackBufferWidth = rendertarget.ClientSize.Width;
displaypp.BackBufferHeight = rendertarget.ClientSize.Height;
displaypp.EnableAutoDepthStencil = true;
displaypp.AutoDepthStencilFormat = Format.D16;
displaypp.Multisample = MultisampleType.None;
displaypp.PresentationInterval = PresentInterval.Immediate;
// Return result
return displaypp;
}
#endregion
#region ================== Resetting
// This registers a resource
internal void RegisterResource(ID3DResource res)
{
// Add resource
resources.Add(res, res);
}
// This unregisters a resource
internal void UnregisterResource(ID3DResource res)
{
// Remove resource
resources.Remove(res);
}
// This resets the device and returns true on success
internal bool Reset()
{
// Unload all Direct3D resources
foreach(ID3DResource res in resources.Values) res.UnloadResource();
// Lose backbuffers
if(backbuffer != null) backbuffer.Dispose();
if(depthbuffer != null) depthbuffer.Dispose();
backbuffer = null;
depthbuffer = null;
try
{
// Make present parameters
PresentParameters displaypp = CreatePresentParameters(adapter);
// Reset the device
device.Reset(displaypp);
}
#if DEBUG
catch(Exception e)
{
// Failed to re-initialize
Console.WriteLine("Device reset failed: " + e.Message);
return false;
}
#else
catch(Exception)
{
// Failed to re-initialize
return false;
}
#endif
// Keep a reference to the original buffers
backbuffer = device.GetBackBuffer(0, 0);
depthbuffer = device.DepthStencilSurface;
// Get the viewport
viewport = device.Viewport;
// Reload all Direct3D resources
foreach(ID3DResource res in resources.Values) res.ReloadResource();
// Re-apply settings
SetupSettings();
// Success
return true;
}
#endregion
#region ================== Rendering
// This begins a drawing session
public bool StartRendering(bool clear, Color4 backcolor, Surface target, Surface depthbuffer)
{
// Check if we can render
if(CheckAvailability() && !isrendering) //mxd. Added isrendering check
{
// Set rendertarget
device.DepthStencilSurface = depthbuffer;
device.SetRenderTarget(0, target);
// Clear the screen
if(clear)
{
if(depthbuffer != null)
device.Clear(ClearFlags.Target | ClearFlags.ZBuffer, backcolor, 1f, 0);
else
device.Clear(ClearFlags.Target, backcolor, 1f, 0);
}
// Ready to render
device.BeginScene();
isrendering = true; //mxd
return true;
}
else
{
// Minimized, you cannot see anything
isrendering = false; //mxd
return false;
}
}
// This clears a target
public void ClearRendertarget(Color4 backcolor, Surface target, Surface depthbuffer)
{
// Set rendertarget
device.DepthStencilSurface = depthbuffer;
device.SetRenderTarget(0, target);
if(depthbuffer != null)
device.Clear(ClearFlags.Target | ClearFlags.ZBuffer, backcolor, 1f, 0);
else
device.Clear(ClearFlags.Target, backcolor, 1f, 0);
}
// This ends a drawing session
public void FinishRendering()
{
try
{
// Done
device.EndScene();
isrendering = false; //mxd
}
// Errors are not a problem here
catch(Exception) { }
}
// This presents what has been drawn
public void Present()
{
try
{
device.Present();
isrendering = false; //mxd
}
// Errors are not a problem here
catch(Exception) { }
}
// This checks if we can use the hardware at this moment
public bool CheckAvailability()
{
// When minimized, the hardware is not available
if(General.MainWindow.WindowState != FormWindowState.Minimized)
{
// Test the cooperative level
Result coopresult = device.TestCooperativeLevel();
// Check if device must be reset
if(!coopresult.IsSuccess)
{
// Should we reset?
if(coopresult.Name == "D3DERR_DEVICENOTRESET")
{
// Device is lost and must be reset now
Reset();
}
// Impossible to render at this point
return false;
}
else
{
// Ready to go!
return true;
}
}
else
{
// Minimized
return false;
}
}
#endregion
#region ================== Tools
// Make a color from ARGB
public static int ARGB(float a, float r, float g, float b)
{
return Color.FromArgb((int)(a * 255f), (int)(r * 255f), (int)(g * 255f), (int)(b * 255f)).ToArgb();
}
// Make a color from RGB
public static int RGB(int r, int g, int b)
{
return Color.FromArgb(255, r, g, b).ToArgb();
}
// This makes a Vector3 from Vector3D
public static Vector3 V3(Vector3D v3d)
{
return new Vector3(v3d.x, v3d.y, v3d.z);
}
// This makes a Vector3D from Vector3
public static Vector3D V3D(Vector3 v3)
{
return new Vector3D(v3.X, v3.Y, v3.Z);
}
// This makes a Vector2 from Vector2D
public static Vector2 V2(Vector2D v2d)
{
return new Vector2(v2d.x, v2d.y);
}
// This makes a Vector2D from Vector2
public static Vector2D V2D(Vector2 v2)
{
return new Vector2D(v2.X, v2.Y);
}
#endregion
}
}