Remove legacy renderers.

OpenRA.Renderer.Sdl2/Texture.cs

@@ -0,0 +1,154 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2011 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 COPYING.
+ */
+#endregion
+
+using System;
+using System.Drawing;
+using System.Drawing.Imaging;
+using System.IO;
+using OpenRA.Graphics;
+using Tao.OpenGl;
+
+namespace OpenRA.Renderer.Sdl2
+{
+	public class Texture : ITexture
+	{
+		int texture;
+		public int ID { get { return texture; } }
+
+		Size size;
+		public Size Size { get { return size; } }
+
+		public Texture()
+		{
+			Gl.glGenTextures(1, out texture);
+			ErrorHandler.CheckGlError();
+		}
+
+		public Texture(Bitmap bitmap)
+		{
+			Gl.glGenTextures(1, out texture);
+			ErrorHandler.CheckGlError();
+			SetData(bitmap);
+		}
+
+		void FinalizeInner() { Gl.glDeleteTextures(1, ref texture); }
+		~Texture() { Game.RunAfterTick(FinalizeInner); }
+
+		void PrepareTexture()
+		{
+			ErrorHandler.CheckGlError();
+			Gl.glBindTexture(Gl.GL_TEXTURE_2D, texture);
+			ErrorHandler.CheckGlError();
+			Gl.glTexParameteri(Gl.GL_TEXTURE_2D, Gl.GL_TEXTURE_MAG_FILTER, Gl.GL_NEAREST);
+			ErrorHandler.CheckGlError();
+			Gl.glTexParameteri(Gl.GL_TEXTURE_2D, Gl.GL_TEXTURE_MIN_FILTER, Gl.GL_NEAREST);
+			ErrorHandler.CheckGlError();
+
+			Gl.glTexParameteri(Gl.GL_TEXTURE_2D, Gl.GL_TEXTURE_WRAP_S, Gl.GL_CLAMP_TO_EDGE);
+			ErrorHandler.CheckGlError();
+			Gl.glTexParameteri(Gl.GL_TEXTURE_2D, Gl.GL_TEXTURE_WRAP_T, Gl.GL_CLAMP_TO_EDGE);
+			ErrorHandler.CheckGlError();
+
+			Gl.glTexParameteri(Gl.GL_TEXTURE_2D, Gl.GL_TEXTURE_BASE_LEVEL, 0);
+			ErrorHandler.CheckGlError();
+			Gl.glTexParameteri(Gl.GL_TEXTURE_2D, Gl.GL_TEXTURE_MAX_LEVEL, 0);
+			ErrorHandler.CheckGlError();
+		}
+
+		public void SetData(byte[] colors, int width, int height)
+		{
+			if (!Exts.IsPowerOf2(width) || !Exts.IsPowerOf2(height))
+				throw new InvalidDataException("Non-power-of-two array {0}x{1}".F(width, height));
+
+			size = new Size(width, height);
+			unsafe
+			{
+				fixed (byte* ptr = &colors[0])
+				{
+					IntPtr intPtr = new IntPtr((void*)ptr);
+					PrepareTexture();
+					Gl.glTexImage2D(Gl.GL_TEXTURE_2D, 0, Gl.GL_RGBA8, width, height,
+						0, Gl.GL_BGRA, Gl.GL_UNSIGNED_BYTE, intPtr);
+					ErrorHandler.CheckGlError();
+				}
+			}
+		}
+
+		// An array of RGBA
+		public void SetData(uint[,] colors)
+		{
+			int width = colors.GetUpperBound(1) + 1;
+			int height = colors.GetUpperBound(0) + 1;
+
+			if (!Exts.IsPowerOf2(width) || !Exts.IsPowerOf2(height))
+				throw new InvalidDataException("Non-power-of-two array {0}x{1}".F(width, height));
+
+			size = new Size(width, height);
+			unsafe
+			{
+				fixed (uint* ptr = &colors[0, 0])
+				{
+					IntPtr intPtr = new IntPtr((void*)ptr);
+					PrepareTexture();
+					Gl.glTexImage2D(Gl.GL_TEXTURE_2D, 0, Gl.GL_RGBA8, width, height,
+						0, Gl.GL_BGRA, Gl.GL_UNSIGNED_BYTE, intPtr);
+					ErrorHandler.CheckGlError();
+				}
+			}
+		}
+
+		public void SetData(Bitmap bitmap)
+		{
+			if (!Exts.IsPowerOf2(bitmap.Width) || !Exts.IsPowerOf2(bitmap.Height))
+				bitmap = new Bitmap(bitmap, bitmap.Size.NextPowerOf2());
+
+			size = new Size(bitmap.Width, bitmap.Height);
+			var bits = bitmap.LockBits(bitmap.Bounds(),
+				ImageLockMode.ReadOnly,	PixelFormat.Format32bppArgb);
+
+			PrepareTexture();
+			Gl.glTexImage2D(Gl.GL_TEXTURE_2D, 0, Gl.GL_RGBA8, bits.Width, bits.Height,
+				0, Gl.GL_BGRA, Gl.GL_UNSIGNED_BYTE, bits.Scan0);        // todo: weird strides
+			ErrorHandler.CheckGlError();
+			bitmap.UnlockBits(bits);
+		}
+
+		public byte[] GetData()
+		{
+			var data = new byte[4 * size.Width * size.Height];
+
+			ErrorHandler.CheckGlError();
+			Gl.glBindTexture(Gl.GL_TEXTURE_2D, texture);
+			unsafe
+			{
+				fixed (byte* ptr = &data[0])
+				{
+					IntPtr intPtr = new IntPtr((void*)ptr);
+					Gl.glGetTexImage(Gl.GL_TEXTURE_2D, 0, Gl.GL_BGRA, Gl.GL_UNSIGNED_BYTE, intPtr);
+				}
+			}
+
+			ErrorHandler.CheckGlError();
+			return data;
+		}
+
+		public void SetEmpty(int width, int height)
+		{
+			if (!Exts.IsPowerOf2(width) || !Exts.IsPowerOf2(height))
+				throw new InvalidDataException("Non-power-of-two array {0}x{1}".F(width, height));
+
+			size = new Size(width, height);
+			PrepareTexture();
+			Gl.glTexImage2D(Gl.GL_TEXTURE_2D, 0, Gl.GL_RGBA8, width, height,
+			                0, Gl.GL_BGRA, Gl.GL_UNSIGNED_BYTE, null);
+			ErrorHandler.CheckGlError();
+		}
+	}
+}