132 lines
3.3 KiB
C#
Executable File
132 lines
3.3 KiB
C#
Executable File
#region Copyright & License Information
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/*
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* Copyright 2007-2011 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see COPYING.
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*/
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#endregion
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using System;
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using System.Diagnostics;
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using System.Drawing;
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using System.IO;
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using System.Linq;
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using System.Runtime.InteropServices;
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using OpenRA.FileFormats.Graphics;
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using OpenRA.Renderer.SdlCommon;
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using Tao.OpenGl;
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using Tao.Sdl;
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[assembly: Renderer(typeof(OpenRA.Renderer.Glsl.DeviceFactory))]
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namespace OpenRA.Renderer.Glsl
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{
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public class DeviceFactory : IDeviceFactory
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{
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public IGraphicsDevice Create(Size size, WindowMode windowMode)
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{
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return new GraphicsDevice( size, windowMode );
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}
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}
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public class GraphicsDevice : IGraphicsDevice
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{
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Size windowSize;
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IntPtr surf;
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SdlInput input;
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public Size WindowSize { get { return windowSize; } }
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public GraphicsDevice( Size size, WindowMode window )
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{
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Console.WriteLine("Using Gl renderer");
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windowSize = size;
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var extensions = new string[]
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{
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"GL_ARB_vertex_shader",
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"GL_ARB_fragment_shader",
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"GL_ARB_vertex_buffer_object",
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};
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surf = SdlGraphics.InitializeSdlGl( ref windowSize, window, extensions );
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Gl.glEnableClientState( Gl.GL_VERTEX_ARRAY );
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ErrorHandler.CheckGlError();
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Gl.glEnableClientState( Gl.GL_TEXTURE_COORD_ARRAY );
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ErrorHandler.CheckGlError();
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Sdl.SDL_SetModState( 0 );
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input = new SdlInput( surf );
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}
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public void EnableScissor( int left, int top, int width, int height )
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{
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if( width < 0 ) width = 0;
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if( height < 0 ) height = 0;
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Gl.glScissor( left, windowSize.Height - ( top + height ), width, height );
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ErrorHandler.CheckGlError();
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Gl.glEnable( Gl.GL_SCISSOR_TEST );
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ErrorHandler.CheckGlError();
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}
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public void DisableScissor()
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{
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Gl.glDisable( Gl.GL_SCISSOR_TEST );
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ErrorHandler.CheckGlError();
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}
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public void Clear()
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{
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Gl.glClearColor( 0, 0, 0, 0 );
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ErrorHandler.CheckGlError();
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Gl.glClear( Gl.GL_COLOR_BUFFER_BIT );
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ErrorHandler.CheckGlError();
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}
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public void Present()
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{
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Sdl.SDL_GL_SwapBuffers();
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}
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public void PumpInput( IInputHandler inputHandler )
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{
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input.PumpInput(inputHandler);
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}
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public void DrawPrimitives( PrimitiveType pt, int firstVertex, int numVertices )
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{
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Gl.glDrawArrays( ModeFromPrimitiveType( pt ), firstVertex, numVertices );
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ErrorHandler.CheckGlError();
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}
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static int ModeFromPrimitiveType( PrimitiveType pt )
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{
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switch( pt )
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{
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case PrimitiveType.PointList: return Gl.GL_POINTS;
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case PrimitiveType.LineList: return Gl.GL_LINES;
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case PrimitiveType.TriangleList: return Gl.GL_TRIANGLES;
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case PrimitiveType.QuadList: return Gl.GL_QUADS;
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}
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throw new NotImplementedException();
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}
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public void SetLineWidth( float width )
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{
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Gl.glLineWidth(width);
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ErrorHandler.CheckGlError();
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}
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public IVertexBuffer<Vertex> CreateVertexBuffer( int size ) { return new VertexBuffer<Vertex>( size ); }
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public ITexture CreateTexture() { return new Texture(); }
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public ITexture CreateTexture( Bitmap bitmap ) { return new Texture( bitmap ); }
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public IShader CreateShader( string name ) { return new Shader( this, name ); }
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public int GpuMemoryUsed { get; internal set; }
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}
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}
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