Ejemplo n.º 1
0
        private WebGLShader LoadShader(WebGLContext gl, ShaderType type, string source)
        {
            var shader = gl.CreateShader(type);

            gl.ShaderSource(shader, source);
            gl.CompileShader(shader);

            if (!gl.GetShaderParameter <bool>(shader, ShaderParameter.COMPILE_STATUS))
            {
                string info = gl.GetShaderInfoLog(shader);
                gl.DeleteShader(shader);
                throw new Exception("An error occured while compiling the shader: " + info);
            }

            return(shader);
        }
Ejemplo n.º 2
0
        private static GLShader GetShader(WebGLContext gl, string id)
        {
            var shaderScript = Element.GetById(id);

            var str = shaderScript.TextContent;

            if (str == "" || str == null)
            {
                var k = shaderScript.FirstChild;
                while (k != null)
                {
                    if (k.NodeType == 3)
                    {
                        str += k.TextContent;
                    }
                    k = k.NextSibling;
                }
            }

            GLShader shader;

            if (shaderScript.GetAttributeValue("type") == "x-shader/x-fragment")
            {
                shader = gl.CreateShader(gl.FragmentShader);
            }
            else if (shaderScript.GetAttributeValue("type") == "x-shader/x-vertex")
            {
                shader = gl.CreateShader(gl.VertexShader);
            }
            else
            {
                return(null);
            }

            gl.ShaderSource(shader, str);
            gl.CompileShader(shader);

            if (!gl.GetShaderParameter(shader, gl.CompileStatus))
            {
                throw new Exception("Shader compilation failed");
            }

            return(shader);
        }