C# (CSharp) RectangleGL Exemples

Exemple #1

        public override bool Compile()
        {
            if (Loaded)
            {
                return(true);
            }
            if (!CompileFromFile(VSPath, FSPath))
            {
                return(false);
            }

            aVertexLoc = GL.GetAttribLocation(Id, "aVertex");
            aUvLoc     = GL.GetAttribLocation(Id, "aUv");
            uMvpLoc    = GL.GetUniformLocation(Id, "uMvp");
            uColorLoc  = GL.GetUniformLocation(Id, "uColor");
            uTxtLoc    = GL.GetUniformLocation(Id, "uTxt");

            if (!RectangleGL.StaticLoaded)
            {
                RectangleGL.Load();
            }

            Loaded = true;
            return(true);
        }

Exemple #2

 private void CleanupGL()
 {
     ColorShader.Instance.Unload();
     EchoShader.Instance.Unload();
     RectangleGL.Unload();
     GL.DeleteRenderbuffer(depthBufferId);
     GL.DeleteFramebuffer(frameBufferId);
     GL.DeleteTexture(textureId);
 }

Exemple #3

        private void StartupGL()
        {
#if DEBUG
            EchoWindow = true;
#endif
            render_window = new GameWindow(
                (EchoWindow ? textureSizeX : 640),
                (EchoWindow ? textureSizeY : 480),
                new OpenTK.Graphics.GraphicsMode(new OpenTK.Graphics.ColorFormat(8, 8, 8, 8), 16, 0),
                "OpenVR Cards Subsystem",
                GameWindowFlags.Default,
                DisplayDevice.Default,
                3, 3,
                OpenTK.Graphics.GraphicsContextFlags.Default)
            {
                Visible = EchoWindow,
                VSync   = VSyncMode.Off
            };

            render_window.MakeCurrent();
#if DEBUG
            cb = DBGProc;
            GL.Enable(EnableCap.DebugOutput);
            GL.DebugMessageCallback(cb, IntPtr.Zero);
#endif
            GL.ClearColor(0, 0, 0, 0);

            VAO = GL.GenVertexArray();
            GL.BindVertexArray(VAO);

            frameBufferId = GL.GenFramebuffer();
            GL.BindFramebuffer(FramebufferTarget.Framebuffer, frameBufferId);

            textureId = GL.GenTexture();
            GL.BindTexture(TextureTarget.Texture2D, textureId);

            GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba8, textureSizeX, textureSizeY, 0, PixelFormat.Rgb, PixelType.Byte, IntPtr.Zero);

            GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest);
            GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Nearest);

            depthBufferId = GL.GenRenderbuffer();
            GL.BindRenderbuffer(RenderbufferTarget.Renderbuffer, depthBufferId);

            GL.RenderbufferStorage(RenderbufferTarget.Renderbuffer, RenderbufferStorage.DepthComponent16, textureSizeX, textureSizeY);
            GL.FramebufferRenderbuffer(FramebufferTarget.Framebuffer, FramebufferAttachment.DepthAttachment, RenderbufferTarget.Renderbuffer, depthBufferId);

            GL.FramebufferTexture(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0, textureId, 0);

            GL.DrawBuffer(DrawBufferMode.ColorAttachment0);

            FramebufferErrorCode error = GL.CheckFramebufferStatus(FramebufferTarget.Framebuffer);
            if (error != FramebufferErrorCode.FramebufferComplete)
            {
                throw new Exception("OpenGL Error.");
            }

            GL.Viewport(0, 0, textureSizeX, textureSizeY);

            GL.Enable(EnableCap.Blend);
            GL.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha);

            GL.Enable(EnableCap.DepthTest);
            GL.DepthFunc(DepthFunction.Lequal);

            ColorShader.Instance.Compile();
            EchoShader.Instance.Compile();
            RectangleGL.Load();

            EchoScene.Instance.Window      = render_window;
            EchoScene.Instance.EchoTexture = textureId;

            CardRectangle.Scale  = new Vector2(textureSizeX, 300);
            CardRectangle.Shader = ColorShader.Instance;
            CardScene            = new Scene(textureSizeX, textureSizeY);
            CardFont.Load();
#if DEBUG
            Debug.WriteLine("StartupGL Complete");
#endif
        }