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C# WebGLRenderingContext.getShaderParameter方法代码示例

本文整理汇总了C#中WebGLRenderingContext.getShaderParameter方法的典型用法代码示例。如果您正苦于以下问题:C# WebGLRenderingContext.getShaderParameter方法的具体用法?C# WebGLRenderingContext.getShaderParameter怎么用?C# WebGLRenderingContext.getShaderParameter使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在WebGLRenderingContext的用法示例。


在下文中一共展示了WebGLRenderingContext.getShaderParameter方法的11个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: Application

        /// <summary>
        /// This is a javascript application.
        /// </summary>
        /// <param name="page">HTML document rendered by the web server which can now be enhanced.</param>
        public Application(IDefault page = null)
        {


            var gl_viewportWidth = 500;
            var gl_viewportHeight = 500;


            var gl = new WebGLRenderingContext();





            #region canvas
            var canvas = gl.canvas.AttachToDocument();

            Native.document.body.style.overflow = IStyle.OverflowEnum.hidden;
            canvas.style.SetLocation(0, 0, gl_viewportWidth, gl_viewportHeight);

            canvas.width = gl_viewportWidth;
            canvas.height = gl_viewportHeight;
            #endregion




            var h = 1f;
            var r1 = .5f;
            var r2 = .2f;
            var nPhi = 500;


            var prog = gl.createProgram();


            #region createShader
            Func<ScriptCoreLib.GLSL.Shader, WebGLShader> createShader = (src) =>
            {
                var shader = gl.createShader(src);

                // verify
                if (gl.getShaderParameter(shader, gl.COMPILE_STATUS) == null)
                {
                    Native.window.alert("error in SHADER:\n" + gl.getShaderInfoLog(shader));
                    throw new InvalidOperationException("shader failed");
                }

                return shader;
            };
            #endregion

            var vs = createShader(new GeometryVertexShader());
            var fs = createShader(new GeometryFragmentShader());


            gl.attachShader(prog, vs);
            gl.attachShader(prog, fs);


            gl.linkProgram(prog);
            gl.useProgram(prog);



            var pt = new IArray<float>();
            var nt = new IArray<float>();
            var Phi = 0.0;
            var dPhi = 2 * Math.PI / (nPhi - 1);

            var Nx = r1 - r2;
            var Ny = h;
            var N = (float)Math.Sqrt(Nx * Nx + Ny * Ny);

            Nx /= N;
            Ny /= N;

            for (var i = 0; i < nPhi; i++)
            {
                var cosPhi = Math.Cos(Phi);
                var sinPhi = Math.Sin(Phi);
                var cosPhi2 = Math.Cos(Phi + dPhi / 2);
                var sinPhi2 = Math.Sin(Phi + dPhi / 2);

                pt.push(-h / 2);
                pt.push((float)(cosPhi * r1));
                pt.push((float)(sinPhi * r1));   // points

                nt.push(Nx);
                nt.push((float)(Ny * cosPhi));
                nt.push((float)(Ny * sinPhi));         // normals

                pt.push(h / 2);
                pt.push((float)(cosPhi2 * r2));
                pt.push((float)(sinPhi2 * r2));  // points

//.........这里部分代码省略.........
开发者ID:exaphaser,项目名称:JSC-Cross-Compiler,代码行数:101,代码来源:Application.cs

示例2: CreateShader

        static CreateShaderResult CreateShader(
            WebGLRenderingContext gl,
            string tvs,
            string tfs,
            bool nativeDebug
            )
        {
            //new IHTMLPre { "enter CreateShader" }.AttachToDocument();

            //var p = gl.createProgram();

            var vs = new WebGLShader(gl, gl.VERTEX_SHADER);
            var fs = new WebGLShader(gl, gl.FRAGMENT_SHADER);

            gl.shaderSource(vs, tvs);
            gl.shaderSource(fs, tfs);

            gl.compileShader(vs);

            var ok = new CreateShaderResult { mSuccess = true };

            // https://www.khronos.org/registry/webgl/extensions/WEBGL_debug_shaders/
            new WebGLDebugShaders(gl).With(x => ok.vsTranslatedShaderSource = x.getTranslatedShaderSource(vs));

            //gl.getExtension("WEBGL_debug_shaders").With(
            //(dynamic WEBGL_debug_shaders) =>
            //	{
            //		ok.vsTranslatedShaderSource = WEBGL_debug_shaders.getTranslatedShaderSource((WebGLShader)vs);
            //	}
            //);

            gl.compileShader(fs);

            // ipad wont have it available
            new WebGLDebugShaders(gl).With(x => ok.fsTranslatedShaderSource = x.getTranslatedShaderSource(fs));

            //gl.getExtension("WEBGL_debug_shaders").With(
            //	(dynamic WEBGL_debug_shaders) =>
            //	{
            //		ok.fsTranslatedShaderSource = WEBGL_debug_shaders.getTranslatedShaderSource((WebGLShader)fs);
            //	}
            //);

            if (gl.getShaderParameter(vs, gl.COMPILE_STATUS) == null)
            {
                var infoLog = gl.getShaderInfoLog(vs);

                // does our async rewriter throw async exceptions yet?
                throw new Exception(message: new { infoLog }.ToString());
                //new IHTMLPre { "error CreateShader " + new { infoLog } }.AttachToDocument();
                //return new CreateShaderResult { mSuccess = false, mInfo = infoLog };
            }

            var fsCOMPILE_STATUS = (bool)gl.getShaderParameter(fs, gl.COMPILE_STATUS);
            //new IHTMLPre { "CreateShader " + new { fsCOMPILE_STATUS } }.AttachToDocument();

            if (!fsCOMPILE_STATUS)
            {
                var infoLog = gl.getShaderInfoLog(fs);
                throw new Exception(message: new { infoLog }.ToString());
                //new IHTMLPre { "error CreateShader " + new { infoLog } }.AttachToDocument();
                //return new CreateShaderResult { mSuccess = false, mInfo = infoLog };
            }


            var p = new WebGLProgram(gl);
            gl.attachShader(p, vs);
            gl.attachShader(p, fs);

            // using dispose?
            gl.deleteShader(vs);
            gl.deleteShader(fs);

            gl.linkProgram(p);

            var linkResult = (bool)gl.getProgramParameter(p, gl.LINK_STATUS);

            //new IHTMLPre { "CreateShader " + new { linkResult } }.AttachToDocument();

            if (!linkResult)
            {
                var infoLog = gl.getProgramInfoLog(p);
                gl.deleteProgram(p);
                throw new Exception(message: new { infoLog }.ToString());
                //new IHTMLPre { "error CreateShader " + new { infoLog } }.AttachToDocument();
                //return new CreateShaderResult { mSuccess = false, mInfo = infoLog };
            }

            // https://msdn.microsoft.com/en-us/library/ie/dn302415(v=vs.85).aspx
            //new IHTMLPre { "exit CreateShader" }.AttachToDocument();

            ok.mProgram = p;
            return ok;
        }
开发者ID:exaphaser,项目名称:JSC-Cross-Compiler,代码行数:94,代码来源:ShaderToy.cs

示例3: Application

        /// <summary>
        /// This is a javascript application.
        /// </summary>
        /// <param name="page">HTML document rendered by the web server which can now be enhanced.</param>
        public Application(IDefault page = null)
        {

            var size = 500;




            var gl = new WebGLRenderingContext();


            var canvas = gl.canvas.AttachToDocument();

            Native.document.body.style.overflow = IStyle.OverflowEnum.hidden;
            canvas.style.SetLocation(0, 0, size, size);

            canvas.width = size;
            canvas.height = size;

            var gl_viewportWidth = size;
            var gl_viewportHeight = size;




            #region requestFullscreen
            Native.Document.body.ondblclick +=
                delegate
                {
                    if (IsDisposed)
                        return;

                    // http://tutorialzine.com/2012/02/enhance-your-website-fullscreen-api/

                    Native.Document.body.requestFullscreen();


                };
            #endregion




            var shaderProgram = gl.createProgram();


            #region createShader
            Func<ScriptCoreLib.GLSL.Shader, WebGLShader> createShader = (src) =>
            {
                var shader = gl.createShader(src);

                // verify
                if (gl.getShaderParameter(shader, gl.COMPILE_STATUS) == null)
                {
                    Native.window.alert("error in SHADER:\n" + gl.getShaderInfoLog(shader));
                    throw new InvalidOperationException("shader failed");
                }

                return shader;
            };
            #endregion

            var vs = createShader(new GeometryVertexShader());
            var fs = createShader(new GeometryFragmentShader());


            gl.attachShader(shaderProgram, vs);
            gl.attachShader(shaderProgram, fs);


            gl.linkProgram(shaderProgram);
            gl.useProgram(shaderProgram);

            var shaderProgram_vertexPositionAttribute = gl.getAttribLocation(shaderProgram, "aVertexPosition");

            gl.enableVertexAttribArray((uint)shaderProgram_vertexPositionAttribute);

            // new in lesson 02
            var shaderProgram_vertexColorAttribute = gl.getAttribLocation(shaderProgram, "aVertexColor");
            gl.enableVertexAttribArray((uint)shaderProgram_vertexColorAttribute);

            var shaderProgram_pMatrixUniform = gl.getUniformLocation(shaderProgram, "uPMatrix");
            var shaderProgram_mvMatrixUniform = gl.getUniformLocation(shaderProgram, "uMVMatrix");



            var mvMatrix = glMatrix.mat4.create();
            var pMatrix = glMatrix.mat4.create();

            #region setMatrixUniforms
            Action setMatrixUniforms =
                delegate
                {
                    gl.uniformMatrix4fv(shaderProgram_pMatrixUniform, false, pMatrix);
                    gl.uniformMatrix4fv(shaderProgram_mvMatrixUniform, false, mvMatrix);
                };
//.........这里部分代码省略.........
开发者ID:exaphaser,项目名称:JSC-Cross-Compiler,代码行数:101,代码来源:Application.cs

示例4: Initialize

        private void Initialize(IHTMLCanvas c, WebGLRenderingContext gl, IDefault  page)
        {
            // http://cs.helsinki.fi/u/ilmarihe/metatunnel.html
            // http://wakaba.c3.cx/w/puls.html

            Action<string> alert = Native.window.alert;

            c.style.border = "1px solid yellow";

            page.MaxTextures.innerText = "" + gl.getParameter(gl.MAX_COMBINED_TEXTURE_IMAGE_UNITS);

            // https://www.khronos.org/webgl/public-mailing-list/archives/1007/msg00034.html

            var vs = "";

            vs += "precision highp float; \n";
            vs += "attribute vec3 aVertexPosition;";
            vs += "attribute vec2 aTextureCoord;";
            vs += "uniform mat4 uModelViewMatrix;";
            vs += "uniform mat4 uProjectionMatrix;";
            vs += "varying vec2 vTextureCoord;";
            vs += "void main(void) {";
            vs += "gl_Position = uProjectionMatrix * uModelViewMatrix * vec4(aVertexPosition, 1.0);";
            vs += "vTextureCoord = vec2(aTextureCoord.x, 1.0 - aTextureCoord.y);";
            vs += "}";

           var fs = "";
            
            fs += "precision highp float; \n";
            fs += "varying vec2 vTextureCoord;";
            fs += "uniform sampler2D uSamplerDiffuse1;";
            fs += "uniform sampler2D uSamplerDiffuse2;";
            fs += "uniform sampler2D uSamplerDiffuse3;";
            fs += "uniform sampler2D uSamplerDiffuse4;";
            fs += "uniform sampler2D uSamplerDiffuse5;";
            fs += "uniform sampler2D uSamplerDiffuse6;";
            fs += "void main(void) {";
            fs += "gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0) * texture2D(uSamplerDiffuse1, vTextureCoord)";
            fs += "+ vec4(0.0, 1.0, 0.0, 1.0) * texture2D(uSamplerDiffuse2, vTextureCoord)";
            fs += "+ vec4(0.0, 0.0, 1.0, 1.0) * texture2D(uSamplerDiffuse3, vTextureCoord)";
            fs += "+ vec4(0.0, 1.0, 1.0, 1.0) * texture2D(uSamplerDiffuse4, vTextureCoord)";
            fs += "+ vec4(1.0, 0.0, 1.0, 1.0) * texture2D(uSamplerDiffuse5, vTextureCoord)";
            fs += "+ vec4(1.0, 1.0, 0.0, 1.0) * texture2D(uSamplerDiffuse6, vTextureCoord);";
            fs += "}";


            var xfs = gl.createShader(gl.FRAGMENT_SHADER);
            gl.shaderSource(xfs, fs);
            gl.compileShader(xfs);
            if ((int)gl.getShaderParameter(xfs, gl.COMPILE_STATUS) != 1)
            {
                // vs: ERROR: 0:2: '' : Version number not supported by ESSL 
                // fs: ERROR: 0:1: '' : No precision specified for (float) 

                var error = gl.getShaderInfoLog(xfs);
                Native.window.alert("fs: " + error);
                return;
            }

            var xvs = gl.createShader(gl.VERTEX_SHADER);
            gl.shaderSource(xvs, vs);
            gl.compileShader(xvs);
            if ((int)gl.getShaderParameter(xvs, gl.COMPILE_STATUS) != 1)
            {
                // vs: ERROR: 0:2: '' : Version number not supported by ESSL 
                // vs: ERROR: 0:10: '-' :  wrong operand types  no operation '-' exists that takes a left-hand operand of type 'const mediump int' and a right operand of type 'float' (or there is no acceptable conversion)


                var error = gl.getShaderInfoLog(xvs);
                Native.window.alert("vs: " + error);
                return;
            }

            var shader = new foo();

            shader.program = gl.createProgram();
            gl.attachShader(shader.program, xvs);
            gl.attachShader(shader.program, xfs);
            gl.linkProgram(shader.program);

            var linked = gl.getProgramParameter(shader.program, gl.LINK_STATUS);
            if (linked == null)
            {
                var error = gl.getProgramInfoLog(shader.program);
                Native.window.alert("Error while linking: " + error);
                return;
            }

            gl.useProgram(shader.program);
            shader.aVertexPosition = gl.getAttribLocation(shader.program, "aVertexPosition");
            shader.aTextureCoord = gl.getAttribLocation(shader.program, "aTextureCoord");
            gl.enableVertexAttribArray((uint)shader.aVertexPosition);
            gl.enableVertexAttribArray((uint)shader.aTextureCoord);

            shader.u["uModelViewMatrix"] = gl.getUniformLocation(shader.program, "uModelViewMatrix");
            shader.u["uProjectionMatrix"] = gl.getUniformLocation(shader.program, "uProjectionMatrix");

            shader.u["uSamplerDiffuse1"] = gl.getUniformLocation(shader.program, "uSamplerDiffuse1");
            shader.u["uSamplerDiffuse2"] = gl.getUniformLocation(shader.program, "uSamplerDiffuse2");
            shader.u["uSamplerDiffuse3"] = gl.getUniformLocation(shader.program, "uSamplerDiffuse3");
//.........这里部分代码省略.........
开发者ID:exaphaser,项目名称:JSC-Cross-Compiler,代码行数:101,代码来源:Application.cs

示例5: InitializeContent

        void InitializeContent(IDefault page = null)
        {

            var size = 500;


            var gl = new WebGLRenderingContext();


            var canvas = gl.canvas.AttachToDocument();

            Native.document.body.style.overflow = IStyle.OverflowEnum.hidden;
            canvas.style.SetLocation(0, 0, size, size);

            canvas.width = size;
            canvas.height = size;

            var gl_viewportWidth = size;
            var gl_viewportHeight = size;
            #region IsDisposed
            var IsDisposed = false;

            this.Dispose = delegate
            {
                if (IsDisposed)
                    return;

                IsDisposed = true;

                canvas.Orphanize();
            };
            #endregion

            #region AtResize
            Action AtResize =
                delegate
                {
                    gl_viewportWidth = Native.window.Width;
                    gl_viewportHeight = Native.window.Height;

                    canvas.style.SetLocation(0, 0, gl_viewportWidth, gl_viewportHeight);

                    canvas.width = gl_viewportWidth;
                    canvas.height = gl_viewportHeight;
                };

            Native.window.onresize +=
                e =>
                {
                    AtResize();
                };
            AtResize();
            #endregion


            #region requestFullscreen
            Native.document.body.ondblclick +=
                delegate
                {
                    if (IsDisposed)
                        return;

                    // http://tutorialzine.com/2012/02/enhance-your-website-fullscreen-api/

                    Native.document.body.requestFullscreen();


                };
            #endregion

            #region createShader
            Func<ScriptCoreLib.GLSL.Shader, WebGLShader> createShader = (src) =>
            {
                var shader = gl.createShader(src);

                // verify
                if (gl.getShaderParameter(shader, gl.COMPILE_STATUS) == null)
                {
                    Native.window.alert("error in SHADER:\n" + gl.getShaderInfoLog(shader));
                    throw new InvalidOperationException("shader failed");
                }

                return shader;
            };
            #endregion

            #region programs
            var programs =
                new[]
                {
                    new 
                    { 
                        vs = (FragmentShader)new Shaders.PerFragmentLightingFragmentShader(),
                        fs = (VertexShader)new Shaders.PerFragmentLightingVertexShader()
                    },

                }.Select(
                    p =>
                    {
                        var vs = createShader(p.vs);
//.........这里部分代码省略.........
开发者ID:exaphaser,项目名称:JSC-Cross-Compiler,代码行数:101,代码来源:Application.cs

示例6: Application

        /// <summary>
        /// This is a javascript application.
        /// </summary>
        /// <param name="page">HTML document rendered by the web server which can now be enhanced.</param>
        public Application(IDefault page = null)
        {
            var size = 500;


            var gl = new WebGLRenderingContext();


            var canvas = gl.canvas.AttachToDocument();

            Native.document.body.style.overflow = IStyle.OverflowEnum.hidden;
            canvas.style.SetLocation(0, 0, size, size);

            canvas.width = size;
            canvas.height = size;

            var gl_viewportWidth = size;
            var gl_viewportHeight = size;


            #region IsDisposed
            var IsDisposed = false;

            this.Dispose = delegate
            {
                if (IsDisposed)
                    return;

                IsDisposed = true;

                canvas.Orphanize();
            };
            #endregion

            #region AtResize
            Action AtResize =
                delegate
                {
                    gl_viewportWidth = Native.window.Width;
                    gl_viewportHeight = Native.window.Height;

                    canvas.style.SetLocation(0, 0, gl_viewportWidth, gl_viewportHeight);

                    canvas.width = gl_viewportWidth;
                    canvas.height = gl_viewportHeight;
                };

            Native.window.onresize +=
                e =>
                {
                    AtResize();
                };
            AtResize();
            #endregion


            #region requestFullscreen
            Native.Document.body.ondblclick +=
                delegate
                {
                    if (IsDisposed)
                        return;

                    // http://tutorialzine.com/2012/02/enhance-your-website-fullscreen-api/

                    Native.Document.body.requestFullscreen();


                };
            #endregion







            #region createShader
            Func<ScriptCoreLib.GLSL.Shader, WebGLShader> createShader = (src) =>
            {
                var shader = gl.createShader(src);

                // verify
                if (gl.getShaderParameter(shader, gl.COMPILE_STATUS) == null)
                {
                    Native.window.alert("error in SHADER:\n" + gl.getShaderInfoLog(shader));
                    throw new InvalidOperationException("shader failed");

                }

                return shader;
            };
            #endregion

            var shaderProgram = gl.createProgram();

//.........这里部分代码省略.........
开发者ID:exaphaser,项目名称:JSC-Cross-Compiler,代码行数:101,代码来源:Application.cs

示例7: Application

		/// <summary>
		/// This is a javascript application.
		/// </summary>
		/// <param name="page">HTML document rendered by the web server which can now be enhanced.</param>
		public Application(IDefault page = null)
		{
			#region += Launched chrome.app.window
			//Error   CS0656 Missing compiler required member 'Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfo.Create' ChromeWebGLFrameBufferToSquare X:\jsc.svn\examples\javascript\chrome\apps\WebGL\ChromeWebGLFrameBufferToSquare\ChromeWebGLFrameBufferToSquare\Application.cs   51


			dynamic self = Native.self;
			dynamic self_chrome = self.chrome;
			object self_chrome_socket = self_chrome.socket;

			if (self_chrome_socket != null)
			{
				if (!(Native.window.opener == null && Native.window.parent == Native.window.self))
				{
					Console.WriteLine("chrome.app.window.create, is that you?");

					// pass thru
				}
				else
				{
					// should jsc send a copresence udp message?
					chrome.runtime.UpdateAvailable += delegate
					{
						new chrome.Notification(title: "UpdateAvailable");

					};

					chrome.app.runtime.Launched += async delegate
					{
						// 0:12094ms chrome.app.window.create {{ href = chrome-extension://aemlnmcokphbneegoefdckonejmknohh/_generated_background_page.html }}
						Console.WriteLine("chrome.app.window.create " + new { Native.document.location.href });

						new chrome.Notification(title: "ChromeUDPSendAsync");

						var xappwindow = await chrome.app.window.create(
							   Native.document.location.pathname, options: null
						);

						//xappwindow.setAlwaysOnTop

						xappwindow.show();

						await xappwindow.contentWindow.async.onload;

						Console.WriteLine("chrome.app.window loaded!");
					};


					return;
				}
			}
			#endregion

			//Z:\jsc.svn\examples\javascript\WebGLLesson01\WebGLLesson01\Application.cs(48,13): error CS0121: The call is ambiguous between the following methods or properties: 
			// 'ScriptCoreLib.Extensions.LinqExtensions.With<ScriptCoreLib.JavaScript.DOM.HTML.IHTMLScript>(ScriptCoreLib.JavaScript.DOM.HTML.IHTMLScript, System.Action<ScriptCoreLib.JavaScript.DOM.HTML.IHTMLScript>)' and 
			// 'ScriptCoreLib.Extensions.LinqExtensions.With<ScriptCoreLib.JavaScript.DOM.HTML.IHTMLScript>(ScriptCoreLib.JavaScript.DOM.HTML.IHTMLScript, System.Action<ScriptCoreLib.JavaScript.DOM.HTML.IHTMLScript>)'

			// works for IE11

			//var size = 512;
			//var size = 256;
			//var size = 96;
			// size wont matter? always rendered 
			var size = 16;


			var rttFramebuffer_width = 128;
			var rttFramebuffer_height = 128;

			var gl = new WebGLRenderingContext();


			var canvas = gl.canvas.AttachToDocument();

			Native.document.body.style.overflow = IStyle.OverflowEnum.hidden;
			canvas.style.SetLocation(0, 0, size, size);

			canvas.width = size;
			canvas.height = size;

			var gl_viewportWidth = size;
			var gl_viewportHeight = size;


			#region createShader
			// dont we have a better api already?
			Func<ScriptCoreLib.GLSL.Shader, WebGLShader> createShader = (src) =>
			{
				var shader = gl.createShader(src);

				// verify
				if (gl.getShaderParameter(shader, gl.COMPILE_STATUS) == null)
				{
					Native.window.alert("error in SHADER:\n" + gl.getShaderInfoLog(shader));
					throw new InvalidOperationException("shader failed");

//.........这里部分代码省略.........
开发者ID:exaphaser,项目名称:JSC-Cross-Compiler,代码行数:101,代码来源:Application.cs

示例8: ApplicationContent

        public ApplicationContent()
        {
            canvas.AttachToDocument();



            #region tween
            NumericEmitter.OfDouble(
                (value, reserved) => red_obstacle_L_y = (f)value
            ).With(
                e =>
                {
                    tween_red_obstacle_L_y = (value) => e(value, 0);
                }
            );

            NumericEmitter.OfDouble(
               (value, reserved) => red_obstacle_R_y = (f)value
           ).With(
               e =>
               {
                   tween_red_obstacle_R_y = (value) => e(value, 0);
               }
           );

            NumericEmitter.OfDouble(
             (value, reserved) => white_arrow_x = (f)value
         ).With(
             e =>
             {
                 tween_white_arrow_x = (value) => e(value, 0);
             }
         );

            NumericEmitter.OfDouble(
      (value, reserved) => white_arrow_y = (f)value
  ).With(
      e =>
      {
          tween_white_arrow_y = (value) => e(value, 0);
      }
  );
            #endregion



            #region canvas

            Native.document.body.style.overflow = IStyle.OverflowEnum.hidden;

            #endregion

            #region gl - Initialise WebGL


            var gl = new WebGLRenderingContext();

            try
            {

                gl = (WebGLRenderingContext)canvas.getContext("experimental-webgl");

            }
            catch { }

            if (gl == null)
            {
                Native.window.alert("WebGL not supported");
                throw new InvalidOperationException("cannot create webgl context");
            }
            #endregion


            var gl_viewportWidth = Native.window.Width;
            var gl_viewportHeight = Native.window.Height;



            var shaderProgram = gl.createProgram();


            #region createShader
            Func<ScriptCoreLib.GLSL.Shader, WebGLShader> createShader = (src) =>
            {
                var shader = gl.createShader(src);

                // verify
                if (gl.getShaderParameter(shader, gl.COMPILE_STATUS) == null)
                {
                    Native.window.alert("error in SHADER:\n" + gl.getShaderInfoLog(shader));
                    throw new InvalidOperationException("shader failed");
                }

                return shader;
            };
            #endregion

            #region initShaders
            var vs = createShader(new GeometryVertexShader());
            var fs = createShader(new GeometryFragmentShader());
//.........这里部分代码省略.........
开发者ID:exaphaser,项目名称:JSC-Cross-Compiler,代码行数:101,代码来源:Application.cs

示例9: Application

        /// <summary>
        /// This is a javascript application.
        /// </summary>
        /// <param name="page">HTML document rendered by the web server which can now be enhanced.</param>
        public Application(IDefault page = null)
        {
            // works in IE!

            var size = 500;


            var gl = new WebGLRenderingContext();


            var canvas = gl.canvas.AttachToDocument();

            Native.document.body.style.overflow = IStyle.OverflowEnum.hidden;
            canvas.style.SetLocation(0, 0, size, size);

            canvas.width = size;
            canvas.height = size;

            var gl_viewportWidth = size;
            var gl_viewportHeight = size;



            var toolbar = new Toolbar();

            if (page != null)
            {
                toolbar.Container.AttachToDocument();
                toolbar.Container.style.Opacity = 0.7;
                toolbar.HideButton.onclick +=
                    delegate
                    {
                        // ScriptCoreLib.Extensions
                        toolbar.HideTarget.ToggleVisible();
                    };
            }

            #region IsDisposed
            var IsDisposed = false;

            this.Dispose = delegate
            {
                if (IsDisposed)
                    return;

                IsDisposed = true;

                canvas.Orphanize();
            };
            #endregion

            #region AtResize
            Action AtResize =
                delegate
                {
                    gl_viewportWidth = Native.window.Width;
                    gl_viewportHeight = Native.window.Height;

                    canvas.style.SetLocation(0, 0, gl_viewportWidth, gl_viewportHeight);

                    canvas.width = gl_viewportWidth;
                    canvas.height = gl_viewportHeight;
                };

            Native.window.onresize +=
                e =>
                {
                    AtResize();
                };
            AtResize();
            #endregion


            #region requestFullscreen
            Native.Document.body.ondblclick +=
                delegate
                {
                    if (IsDisposed)
                        return;

                    // http://tutorialzine.com/2012/02/enhance-your-website-fullscreen-api/

                    Native.Document.body.requestFullscreen();


                };
            #endregion

            #region createShader
            Func<ScriptCoreLib.GLSL.Shader, WebGLShader> createShader = (src) =>
            {
                var shader = gl.createShader(src);

                // verify
                if (gl.getShaderParameter(shader, gl.COMPILE_STATUS) == null)
                {
//.........这里部分代码省略.........
开发者ID:exaphaser,项目名称:JSC-Cross-Compiler,代码行数:101,代码来源:Application.cs

示例10: Application

        /// <summary>
        /// This is a javascript application.
        /// </summary>
        /// <param name="page">HTML document rendered by the web server which can now be enhanced.</param>
        public Application(IDefault page = null)
        {
            var size = 500;


            var gl = new WebGLRenderingContext();


            var canvas = gl.canvas.AttachToDocument();

            Native.document.body.style.overflow = IStyle.OverflowEnum.hidden;
            canvas.style.SetLocation(0, 0, size, size);

            canvas.width = size;
            canvas.height = size;

            var gl_viewportWidth = size;
            var gl_viewportHeight = size;



            var toolbar = new Toolbar();

            if (page != null)
            {
                toolbar.Container.AttachToDocument();
                toolbar.Container.style.Opacity = 0.7;
                toolbar.HideButton.onclick +=
                    delegate
                    {
                        // ScriptCoreLib.Extensions
                        toolbar.HideTarget.ToggleVisible();
                    };
            }

            #region IsDisposed
            var IsDisposed = false;

            this.Dispose = delegate
            {
                if (IsDisposed)
                    return;

                IsDisposed = true;

                canvas.Orphanize();
            };
            #endregion

            #region AtResize
            Action AtResize =
                delegate
                {
                    gl_viewportWidth = Native.window.Width;
                    gl_viewportHeight = Native.window.Height;

                    canvas.style.SetLocation(0, 0, gl_viewportWidth, gl_viewportHeight);

                    canvas.width = gl_viewportWidth;
                    canvas.height = gl_viewportHeight;
                };

            Native.window.onresize +=
                e =>
                {
                    AtResize();
                };
            AtResize();
            #endregion


            #region requestFullscreen
            Native.Document.body.ondblclick +=
                delegate
                {
                    if (IsDisposed)
                        return;

                    // http://tutorialzine.com/2012/02/enhance-your-website-fullscreen-api/

                    Native.Document.body.requestFullscreen();


                };
            #endregion

            #region createShader
            Func<ScriptCoreLib.GLSL.Shader, WebGLShader> createShader = (src) =>
            {
                var shader = gl.createShader(src);

                // verify
                if (gl.getShaderParameter(shader, gl.COMPILE_STATUS) == null)
                {
                    Native.window.alert("error in SHADER:\n" + gl.getShaderInfoLog(shader));
                    throw new InvalidOperationException("shader failed");
//.........这里部分代码省略.........
开发者ID:exaphaser,项目名称:JSC-Cross-Compiler,代码行数:101,代码来源:Application.cs

示例11: Application

        /* Source: http://www.ibiblio.org/e-notes/webgl/models/ethanol.html
         * 
         */


        /// <summary>
        /// This is a javascript application.
        /// </summary>
        /// <param name="page">HTML document rendered by the web server which can now be enhanced.</param>
        public Application(IDefault page = null)
        {
            var gl_viewportWidth = 500;
            var gl_viewportHeight = 500;




            var gl = new WebGLRenderingContext();

            var canvas = gl.canvas.AttachToDocument();

            Native.document.body.style.overflow = IStyle.OverflowEnum.hidden;
            canvas.style.SetLocation(0, 0, gl_viewportWidth, gl_viewportHeight);

            canvas.width = gl_viewportWidth;
            canvas.height = gl_viewportHeight;




            var h = 1f;
            var r1 = .5f;
            var r2 = .2f;


            var prog = gl.createProgram();


            #region createShader
            Func<ScriptCoreLib.GLSL.Shader, WebGLShader> createShader = (src) =>
            {
                var shader = gl.createShader(src);

                // verify
                if (gl.getShaderParameter(shader, gl.COMPILE_STATUS) == null)
                {
                    Native.window.alert("error in SHADER:\n" + gl.getShaderInfoLog(shader));
                    throw new InvalidOperationException("shader failed");
                }

                return shader;
            };
            #endregion

            var vs = createShader(new GeometryVertexShader());
            var fs = createShader(new GeometryFragmentShader());


            gl.attachShader(prog, vs);
            gl.attachShader(prog, fs);


            gl.linkProgram(prog);
            gl.useProgram(prog);

            var nPhi = 100;
            var nTheta = 50;
            var dPhi = 2 * Math.PI / nPhi;
            var dTheta = Math.PI / nTheta;

            var vertices = new IArray<float>();
            var ind = new IArray<ushort>();

            for (var j = 0; j <= nTheta; j++)
            {
                var Theta = j * dTheta;
                var cosTheta = Math.Cos(Theta);
                var sinTheta = Math.Sin(Theta);
                for (var i = 0; i <= nPhi; i++)
                {
                    var Phi = i * dPhi;
                    var cosPhi = Math.Cos(Phi);
                    var sinPhi = Math.Sin(Phi);
                    vertices.push((f)(cosPhi * sinTheta));
                    vertices.push((f)(-sinPhi * sinTheta));
                    vertices.push((f)(cosTheta));
                }
            }
            for (var j = 0; j < nTheta; j++)
                for (var i = 0; i <= nPhi; i++)
                {
                    ind.push((ushort)(j * (nPhi + 1) + i));
                    ind.push((ushort)((j + 1) * (nPhi + 1) + i));
                }
            var posLocation = gl.getAttribLocation(prog, "aPos");
            gl.enableVertexAttribArray((uint)posLocation);
            var posBuffer = gl.createBuffer();
            gl.bindBuffer(gl.ARRAY_BUFFER, posBuffer);
            gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(vertices), gl.STATIC_DRAW);
            gl.vertexAttribPointer((uint)posLocation, 3, gl.FLOAT, false, 0, 0);
//.........这里部分代码省略.........
开发者ID:exaphaser,项目名称:JSC-Cross-Compiler,代码行数:101,代码来源:Application.cs


注:本文中的WebGLRenderingContext.getShaderParameter方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。