git-svn-id: svn://svn.ijw.co.nz/svn/OpenRa@2049 993157c7-ee19-0410-b2c4-bb4e9862e678

OpenRa.Game/Graphics/Renderer.cs

@@ -0,0 +1,68 @@
+using System;
+using System.Drawing;
+using System.Windows.Forms;
+using Ijw.DirectX;
+using OpenRa.FileFormats;
+
+namespace OpenRa.Game.Graphics
+{
+	class Renderer
+	{
+		readonly GraphicsDevice device;
+		readonly Shader shader;
+
+		const string shaderName = "diffuse.fx";
+
+		public void SetPalette(HardwarePalette hp)
+		{
+			shader.SetValue("Palette", hp.Texture);
+		}
+
+		public Renderer(Control host, Size resolution, bool windowed)
+		{
+			host.ClientSize = resolution;
+			device = GraphicsDevice.Create(host, 
+				resolution.Width, resolution.Height, windowed, false);
+
+			shader = new Shader(device, FileSystem.Open(shaderName));
+			shader.Quality = ShaderQuality.Low;
+		}
+
+		public GraphicsDevice Device { get { return device; } }
+
+		public void BeginFrame( float2 r1, float2 r2, float2 scroll )
+		{
+			device.Begin();
+
+			shader.SetValue("Scroll", scroll);
+			shader.SetValue("r1", r1);
+			shader.SetValue("r2", r2);
+		}
+
+		public void EndFrame()
+		{
+			device.End();
+			device.Present();
+		}
+
+		public void DrawWithShader(ShaderQuality quality, Action task)
+		{
+			shader.Quality = quality;
+			shader.Render(() => task());
+		}
+
+		public void DrawBatch<T>(FvfVertexBuffer<T> vertices, IndexBuffer indices,
+			Range<int> vertexRange, Range<int> indexRange, Texture texture)
+			where T : struct
+		{
+			shader.SetValue("DiffuseTexture", texture);
+			shader.Commit();
+
+			vertices.Bind(0);
+			indices.Bind();
+
+			device.DrawIndexedPrimitives(PrimitiveType.TriangleList,
+				vertexRange, indexRange);
+		}
+	}
+}