test texture surface backend with sdl and xcbTestXCBandSDL

1 files changed, 159 insertions, 0 deletions

diff --git a/Tests/test-sdl2.cs b/Tests/test-sdl2.cs
new file mode 100644
index 00000000..d405696a
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+++ b/Tests/test-sdl2.cs
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+//
+// test-sdl2.cs
+//
+// Author:
+//       jp <>
+//
+// Copyright (c) 2013-2017 Jean-Philippe Bruyère
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+using System;
+using OpenTK;
+using OpenTK.Graphics.OpenGL;
+using OpenTK.Platform;
+using Crow.SDL2;
+
+namespace Crow
+{
+	public class test_sdl2
+	{
+		public test_sdl2 ()
+		{
+		}
+
+		static int colors = 32, depth=24, stencil=0,samples=1;
+		static int width=500,height=500;
+
+		static void Main(){
+			SysWMInfo sdlInfo;
+
+			SDL.Init (SystemFlags.EVERYTHING);
+
+
+			IntPtr hWin = SDL.CreateWindow ("test sdl2", 0, 0, width, height, WindowFlags.OPENGL | WindowFlags.SHOWN);
+
+			SDL.GL.SetAttribute (ContextAttribute.CONTEXT_MAJOR_VERSION, 3);
+			SDL.GL.SetAttribute (ContextAttribute.CONTEXT_MAJOR_VERSION, 3);
+			SDL.GL.SetAttribute (ContextAttribute.SHARE_WITH_CURRENT_CONTEXT, 1);
+
+			IntPtr hCtx = SDL.GL.CreateContext (hWin);
+			IntPtr hCairoCtx = SDL.GL.CreateContext (hWin);
+
+			SDL.GetWindowWMInfo (hWin, out sdlInfo);
+			SDL.GL.MakeCurrent(hWin,hCtx);
+
+			int major, minor;
+			SDL.GL.GetAttribute (ContextAttribute.CONTEXT_MAJOR_VERSION, out major);
+			SDL.GL.GetAttribute (ContextAttribute.CONTEXT_MINOR_VERSION, out minor);
+			Console.WriteLine ("gl context = {0}.{1}\n", major, minor);
+
+			Toolkit.Init();
+			IWindowInfo wi = Utilities.CreateSdl2WindowInfo (hWin);
+			ContextHandle otkCtx = new ContextHandle (hCtx);
+
+			OpenTK.Graphics.GraphicsContext ctx = new OpenTK.Graphics.GraphicsContext (otkCtx, wi);
+
+
+
+			ctx.LoadAll();
+
+			Cairo.GLXDevice dev = new Cairo.GLXDevice (sdlInfo.Info.X11.Display, hCairoCtx);
+
+			int tex = GL.GenTexture ();
+			GL.BindTexture (TextureTarget.Texture2D, tex);
+			GL.TexImage2D (TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, width, height, 0,
+				PixelFormat.Bgra, PixelType.UnsignedByte, IntPtr.Zero);
+
+			//dev.Acquire ();
+			Cairo.GLSurface surf = new Cairo.GLSurface (dev,Cairo.Content.ColorAlpha,(uint)tex, width,height);
+
+			SDL.GL.MakeCurrent(hWin,hCairoCtx);
+			using (Cairo.Context gr = new Cairo.Context (surf)) {
+				gr.Rectangle (150, 100, 200, 100);
+				gr.SetSourceRGBA (1.0, 0.0, 0.0,0.5);
+				gr.Fill ();
+				gr.Rectangle (200, 150, 200, 100);
+				gr.SetSourceRGBA (0.0, 1.0, 0.0,0.5);
+				gr.Fill ();
+			}
+			surf.Flush ();
+			surf.SwapBuffers ();
+
+			SDL.GL.MakeCurrent(hWin,hCtx);
+
+
+			Matrix4 proj = Matrix4.CreateOrthographicOffCenter (-1f, 1f, -1f, 1f, 1.0f, -1.0f);
+			GL.MatrixMode(MatrixMode.Projection);
+			GL.LoadMatrix (ref proj);
+			GL.MatrixMode(MatrixMode.Modelview);
+			GL.LoadIdentity();
+
+			GL.ClearColor(0.0f, 0.0f, 0.5f, 1.0f);
+			GL.Clear (ClearBufferMask.ColorBufferBit|ClearBufferMask.DepthBufferBit);
+
+			GL.Viewport (0, 0, width, height);
+
+			GL.Enable(EnableCap.DepthTest);
+			GL.Enable(EnableCap.Texture2D);
+			GL.Enable (EnableCap.Blend);
+			GL.BlendFunc (BlendingFactorSrc.One, BlendingFactorDest.OneMinusSrcAlpha);
+
+			GL.BindTexture (TextureTarget.Texture2D, tex);
+			GL.Begin(PrimitiveType.Quads);
+
+			// Bottom-Left
+			GL.TexCoord2(0, 1);
+			GL.Vertex2(-1, -1);
+
+			// Upper-Left
+			GL.TexCoord2(0, 0);
+			GL.Vertex2(-1, 1);
+
+			// Upper-Right
+			GL.TexCoord2(1, 0);
+			GL.Vertex2(1, 1);
+
+			// Bottom-Right
+			GL.TexCoord2(1, 1);
+			GL.Vertex2(1, -1);
+
+			GL.End();
+	
+			//ctx.SwapBuffers ();
+			SDL.GL.SwapWindow (hWin);
+
+			System.Threading.Thread.Sleep (1000);
+
+			surf.Dispose();
+			GL.DeleteTexture (tex);
+			dev.Dispose ();
+
+
+			SDL.GL.MakeCurrent (hWin, IntPtr.Zero);
+			SDL.GL.DeleteContext (hCairoCtx);
+			SDL.GL.DeleteContext (hCtx);
+			SDL.DestroyWindow (hWin);
+
+
+
+
+		}
+	}
+}
+