Files
OpenRA/OpenRA.Game/Graphics/Renderer.cs
2010-07-18 16:48:21 +12:00

123 lines
4.1 KiB
C#

#region Copyright & License Information
/*
* Copyright 2007-2010 The OpenRA Developers (see AUTHORS)
* This file is part of OpenRA, which is free software. It is made
* available to you under the terms of the GNU General Public License
* as published by the Free Software Foundation. For more information,
* see LICENSE.
*/
#endregion
using System;
using System.Drawing;
using System.IO;
using System.Reflection;
using OpenRA.FileFormats;
using OpenRA.FileFormats.Graphics;
using OpenRA.Support;
namespace OpenRA.Graphics
{
internal class Renderer
{
internal static int SheetSize;
readonly IGraphicsDevice device;
public IShader SpriteShader { get; private set; } /* note: shared shader params */
public IShader LineShader { get; private set; }
public IShader RgbaSpriteShader { get; private set; }
public IShader WorldSpriteShader { get; private set; }
public SpriteRenderer SpriteRenderer { get; private set; }
public SpriteRenderer RgbaSpriteRenderer { get; private set; }
public SpriteRenderer WorldSpriteRenderer { get; private set; }
public ITexture PaletteTexture;
public readonly SpriteFont RegularFont, BoldFont, TitleFont;
public Size Resolution { get { return device.WindowSize; } }
public Renderer(Size resolution, OpenRA.FileFormats.Graphics.WindowMode windowMode)
{
device = CreateDevice( Assembly.LoadFile( Path.GetFullPath( "OpenRA.Gl.dll" ) ), resolution.Width, resolution.Height, windowMode, false );
SpriteShader = device.CreateShader(FileSystem.Open("shaders/world-shp.fx"));
LineShader = device.CreateShader(FileSystem.Open("shaders/line.fx"));
RgbaSpriteShader = device.CreateShader(FileSystem.Open("shaders/chrome-rgba.fx"));
WorldSpriteShader = device.CreateShader(FileSystem.Open("shaders/chrome-shp.fx"));
SpriteRenderer = new SpriteRenderer( this, SpriteShader );
RgbaSpriteRenderer = new SpriteRenderer( this, RgbaSpriteShader );
WorldSpriteRenderer = new SpriteRenderer( this, WorldSpriteShader );
RegularFont = new SpriteFont(this, "FreeSans.ttf", 14);
BoldFont = new SpriteFont(this, "FreeSansBold.ttf", 14);
TitleFont = new SpriteFont(this, "titles.ttf", 48);
}
IGraphicsDevice CreateDevice( Assembly rendererDll, int width, int height, WindowMode window, bool vsync )
{
foreach( RendererAttribute r in rendererDll.GetCustomAttributes( typeof( RendererAttribute ), false ) )
{
return (IGraphicsDevice)r.Type.GetConstructor( new Type[] { typeof( int ), typeof( int ), typeof( WindowMode ), typeof( bool ) } )
.Invoke( new object[] { width, height, window, vsync } );
}
throw new NotImplementedException();
}
public IGraphicsDevice Device { get { return device; } }
public void BeginFrame(float2 r1, float2 r2, float2 scroll)
{
device.Begin();
device.Clear(Color.Black);
SetShaderParams( SpriteShader, r1, r2, scroll );
SetShaderParams( LineShader, r1, r2, scroll );
SetShaderParams( RgbaSpriteShader, r1, r2, scroll );
SetShaderParams( WorldSpriteShader, r1, r2, scroll );
}
private void SetShaderParams( IShader s, float2 r1, float2 r2, float2 scroll )
{
s.SetValue( "Palette", PaletteTexture );
s.SetValue( "Scroll", scroll.X, scroll.Y );
s.SetValue( "r1", r1.X, r1.Y );
s.SetValue( "r2", r2.X, r2.Y );
s.Commit();
}
public void EndFrame()
{
device.End();
device.Present();
}
public void DrawBatch<T>(IVertexBuffer<T> vertices, IIndexBuffer indices,
Range<int> vertexRange, Range<int> indexRange, PrimitiveType type, IShader shader)
where T : struct
{
vertices.Bind();
indices.Bind();
device.DrawIndexedPrimitives(type, vertexRange, indexRange);
PerfHistory.Increment("batches", 1);
}
public void DrawBatch<T>(IVertexBuffer<T> vertices, IIndexBuffer indices,
int vertexPool, int numPrimitives, PrimitiveType type)
where T : struct
{
vertices.Bind();
indices.Bind();
device.DrawIndexedPrimitives(type, vertexPool, numPrimitives);
PerfHistory.Increment("batches", 1);
}
}
}