77 lines
3.5 KiB
C#
77 lines
3.5 KiB
C#
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using ANX.Framework.Graphics;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace ANX.Framework.Content.Pipeline.Helpers
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{
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static class GraphicsHelper
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{
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private static GraphicsDevice _refDevice = null;
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private static short[] _indices = new short[] { 0, 1, 2, 1, 3, 2 };
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public static GraphicsDevice ReferenceDevice
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{
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get
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{
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if (_refDevice == null)
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{
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bool value = GraphicsAdapter.UseReferenceDevice;
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GraphicsAdapter.UseReferenceDevice = true;
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IntPtr handle = System.Diagnostics.Process.GetCurrentProcess().MainWindowHandle;
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_refDevice = new GraphicsDevice(GraphicsAdapter.DefaultAdapter, GraphicsProfile.HiDef, new PresentationParameters() { DeviceWindowHandle = new NonXNA.WindowHandle(handle) });
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GraphicsAdapter.UseReferenceDevice = value;
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}
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return _refDevice;
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}
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}
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public static void DrawQuad(GraphicsDevice graphicsDevice, Texture2D sourceTexture, Rectangle sourceRegion, RenderTarget2D destinationTexture, Rectangle destinationRegion, TextureFilter filter)
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{
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if (graphicsDevice == null)
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throw new ArgumentNullException("graphicsDevice");
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if (sourceTexture == null)
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throw new ArgumentNullException("sourceTexture");
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if (destinationTexture == null)
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throw new ArgumentNullException("destinationTexture");
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graphicsDevice.SetRenderTarget(destinationTexture);
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using (BasicEffect effect = new BasicEffect(graphicsDevice))
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{
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effect.FogEnabled = false;
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effect.LightingEnabled = false;
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effect.Projection = Matrix.CreateOrthographicOffCenter(destinationRegion.Left, destinationRegion.Right, destinationRegion.Bottom, destinationRegion.Top, 0f, 1f);
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effect.TextureEnabled = true;
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VertexPositionTexture[] vertices = new VertexPositionTexture[]
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{
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new VertexPositionTexture(new Vector3(0, 0, 0), new Vector2((float)sourceRegion.Left / sourceTexture.Width, (float)sourceRegion.Top / sourceTexture.Height)),
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new VertexPositionTexture(new Vector3(1, 0, 0), new Vector2((float)sourceRegion.Right / sourceTexture.Width, (float)sourceRegion.Top / sourceTexture.Height)),
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new VertexPositionTexture(new Vector3(0, 1, 0), new Vector2((float)sourceRegion.Left / sourceTexture.Width, (float)sourceRegion.Bottom / sourceTexture.Height)),
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new VertexPositionTexture(new Vector3(1, 1, 0), new Vector2((float)sourceRegion.Right / sourceTexture.Width, (float)sourceRegion.Bottom / sourceTexture.Height))
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};
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foreach (var pass in effect.CurrentTechnique.Passes)
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{
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pass.Apply();
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graphicsDevice.SamplerStates[0].Filter = filter;
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graphicsDevice.DrawUserIndexedPrimitives(PrimitiveType.TriangleList, vertices, 0, 4, _indices, 0, 2);
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}
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}
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}
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public static void Convert(GraphicsDevice graphicsDevice, byte[] sourcePixels, SurfaceFormat destinationFormat)
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{
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//convert from not compressed to compressed.
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throw new NotImplementedException();
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}
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}
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}
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