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https://github.com/Ellpeck/MLEM.git
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71 lines
No EOL
2.8 KiB
C#
71 lines
No EOL
2.8 KiB
C#
using System;
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using System.Linq;
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using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Graphics;
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namespace MLEM.Extensions {
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public static class GraphicsExtensions {
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private static int lastWidth;
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private static int lastHeight;
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public static void SetFullscreen(this GraphicsDeviceManager manager, bool fullscreen) {
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manager.IsFullScreen = fullscreen;
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if (fullscreen) {
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var view = manager.GraphicsDevice.Viewport;
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lastWidth = view.Width;
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lastHeight = view.Height;
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var curr = GraphicsAdapter.DefaultAdapter.CurrentDisplayMode;
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manager.PreferredBackBufferWidth = curr.Width;
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manager.PreferredBackBufferHeight = curr.Height;
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} else {
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if (lastWidth <= 0 || lastHeight <= 0)
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throw new InvalidOperationException("Can't call SetFullscreen to change out of fullscreen mode without going into fullscreen mode first");
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manager.PreferredBackBufferWidth = lastWidth;
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manager.PreferredBackBufferHeight = lastHeight;
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}
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manager.ApplyChanges();
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}
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public static void ApplyChangesSafely(this GraphicsDeviceManager manager) {
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// If we don't do this, then applying changes will cause the
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// graphics device manager to reset the window size to the
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// size set when starting the game :V
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var view = manager.GraphicsDevice.Viewport;
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manager.PreferredBackBufferWidth = view.Width;
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manager.PreferredBackBufferHeight = view.Height;
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manager.ApplyChanges();
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}
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public static void ResetWidthAndHeight(this GraphicsDeviceManager manager, GameWindow window) {
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var (_, _, width, height) = window.ClientBounds;
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manager.PreferredBackBufferWidth = Math.Max(height, width);
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manager.PreferredBackBufferHeight = Math.Min(height, width);
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manager.ApplyChanges();
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}
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public static TargetContext WithRenderTarget(this GraphicsDevice device, RenderTarget2D target) {
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return new TargetContext(device, target);
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}
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public struct TargetContext : IDisposable {
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private readonly GraphicsDevice device;
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private readonly RenderTargetBinding[] lastTargets;
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public TargetContext(GraphicsDevice device, RenderTarget2D target) {
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this.device = device;
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this.lastTargets = device.RenderTargetCount <= 0 ? null : device.GetRenderTargets();
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device.SetRenderTarget(target);
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}
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public void Dispose() {
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this.device.SetRenderTargets(this.lastTargets);
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}
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}
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}
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} |