michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:    http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: "use strict";
michael@0: 
michael@0: let isWebGLAvailable;
michael@0: 
michael@0: function onWebGLFail() {
michael@0:   isWebGLAvailable = false;
michael@0: }
michael@0: 
michael@0: function onWebGLSuccess() {
michael@0:   isWebGLAvailable = true;
michael@0: }
michael@0: 
michael@0: function test() {
michael@0:   if (!isWebGLSupported()) {
michael@0:     info("Skipping tilt_gl01 because WebGL isn't supported on this hardware.");
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   let canvas = createCanvas();
michael@0: 
michael@0:   let renderer = new TiltGL.Renderer(canvas, onWebGLFail, onWebGLSuccess);
michael@0:   let gl = renderer.context;
michael@0: 
michael@0:   if (!isWebGLAvailable) {
michael@0:     return;
michael@0:   }
michael@0: 
michael@0: 
michael@0:   ok(renderer,
michael@0:     "The TiltGL.Renderer constructor should have initialized a new object.");
michael@0: 
michael@0:   ok(gl instanceof WebGLRenderingContext,
michael@0:     "The renderer context wasn't created correctly from the passed canvas.");
michael@0: 
michael@0: 
michael@0:   let clearColor = gl.getParameter(gl.COLOR_CLEAR_VALUE),
michael@0:       clearDepth = gl.getParameter(gl.DEPTH_CLEAR_VALUE);
michael@0: 
michael@0:   is(clearColor[0], 0,
michael@0:     "The default red clear color wasn't set correctly at initialization.");
michael@0:   is(clearColor[1], 0,
michael@0:     "The default green clear color wasn't set correctly at initialization.");
michael@0:   is(clearColor[2], 0,
michael@0:     "The default blue clear color wasn't set correctly at initialization.");
michael@0:   is(clearColor[3], 0,
michael@0:     "The default alpha clear color wasn't set correctly at initialization.");
michael@0:   is(clearDepth, 1,
michael@0:     "The default clear depth wasn't set correctly at initialization.");
michael@0: 
michael@0:   is(renderer.width, canvas.width,
michael@0:     "The renderer width wasn't set correctly from the passed canvas.");
michael@0:   is(renderer.height, canvas.height,
michael@0:     "The renderer height wasn't set correctly from the passed canvas.");
michael@0: 
michael@0:   ok(renderer.mvMatrix,
michael@0:     "The model view matrix wasn't initialized properly.");
michael@0:   ok(renderer.projMatrix,
michael@0:     "The model view matrix wasn't initialized properly.");
michael@0: 
michael@0:   ok(isApproxVec(renderer._fillColor, [1, 1, 1, 1]),
michael@0:     "The default fill color wasn't set correctly.");
michael@0:   ok(isApproxVec(renderer._strokeColor, [0, 0, 0, 1]),
michael@0:     "The default stroke color wasn't set correctly.");
michael@0:   is(renderer._strokeWeightValue, 1,
michael@0:     "The default stroke weight wasn't set correctly.");
michael@0: 
michael@0:   ok(renderer._colorShader,
michael@0:     "A default color shader should have been created.");
michael@0: 
michael@0:   ok(typeof renderer.Program, "function",
michael@0:     "At init, the renderer should have created a Program constructor.");
michael@0:   ok(typeof renderer.VertexBuffer, "function",
michael@0:     "At init, the renderer should have created a VertexBuffer constructor.");
michael@0:   ok(typeof renderer.IndexBuffer, "function",
michael@0:     "At init, the renderer should have created a IndexBuffer constructor.");
michael@0:   ok(typeof renderer.Texture, "function",
michael@0:     "At init, the renderer should have created a Texture constructor.");
michael@0: 
michael@0:   renderer.depthTest(true);
michael@0:   is(gl.getParameter(gl.DEPTH_TEST), true,
michael@0:     "The depth test wasn't enabled when requested.");
michael@0: 
michael@0:   renderer.depthTest(false);
michael@0:   is(gl.getParameter(gl.DEPTH_TEST), false,
michael@0:     "The depth test wasn't disabled when requested.");
michael@0: 
michael@0:   renderer.stencilTest(true);
michael@0:   is(gl.getParameter(gl.STENCIL_TEST), true,
michael@0:     "The stencil test wasn't enabled when requested.");
michael@0: 
michael@0:   renderer.stencilTest(false);
michael@0:   is(gl.getParameter(gl.STENCIL_TEST), false,
michael@0:     "The stencil test wasn't disabled when requested.");
michael@0: 
michael@0:   renderer.cullFace("front");
michael@0:   is(gl.getParameter(gl.CULL_FACE), true,
michael@0:     "The cull face wasn't enabled when requested.");
michael@0:   is(gl.getParameter(gl.CULL_FACE_MODE), gl.FRONT,
michael@0:     "The cull face front mode wasn't set correctly.");
michael@0: 
michael@0:   renderer.cullFace("back");
michael@0:   is(gl.getParameter(gl.CULL_FACE), true,
michael@0:     "The cull face wasn't enabled when requested.");
michael@0:   is(gl.getParameter(gl.CULL_FACE_MODE), gl.BACK,
michael@0:     "The cull face back mode wasn't set correctly.");
michael@0: 
michael@0:   renderer.cullFace("both");
michael@0:   is(gl.getParameter(gl.CULL_FACE), true,
michael@0:     "The cull face wasn't enabled when requested.");
michael@0:   is(gl.getParameter(gl.CULL_FACE_MODE), gl.FRONT_AND_BACK,
michael@0:     "The cull face back mode wasn't set correctly.");
michael@0: 
michael@0:   renderer.cullFace(false);
michael@0:   is(gl.getParameter(gl.CULL_FACE), false,
michael@0:     "The cull face wasn't disabled when requested.");
michael@0: 
michael@0:   renderer.frontFace("cw");
michael@0:   is(gl.getParameter(gl.FRONT_FACE), gl.CW,
michael@0:     "The front face cw mode wasn't set correctly.");
michael@0: 
michael@0:   renderer.frontFace("ccw");
michael@0:   is(gl.getParameter(gl.FRONT_FACE), gl.CCW,
michael@0:     "The front face ccw mode wasn't set correctly.");
michael@0: 
michael@0:   renderer.blendMode("alpha");
michael@0:   is(gl.getParameter(gl.BLEND), true,
michael@0:     "The blend mode wasn't enabled when requested.");
michael@0:   is(gl.getParameter(gl.BLEND_SRC_ALPHA), gl.SRC_ALPHA,
michael@0:     "The soruce blend func wasn't set correctly.");
michael@0:   is(gl.getParameter(gl.BLEND_DST_ALPHA), gl.ONE_MINUS_SRC_ALPHA,
michael@0:     "The destination blend func wasn't set correctly.");
michael@0: 
michael@0:   renderer.blendMode("add");
michael@0:   is(gl.getParameter(gl.BLEND), true,
michael@0:     "The blend mode wasn't enabled when requested.");
michael@0:   is(gl.getParameter(gl.BLEND_SRC_ALPHA), gl.SRC_ALPHA,
michael@0:     "The soruce blend func wasn't set correctly.");
michael@0:   is(gl.getParameter(gl.BLEND_DST_ALPHA), gl.ONE,
michael@0:     "The destination blend func wasn't set correctly.");
michael@0: 
michael@0:   renderer.blendMode(false);
michael@0:   is(gl.getParameter(gl.CULL_FACE), false,
michael@0:     "The blend mode wasn't disabled when requested.");
michael@0: 
michael@0: 
michael@0:   is(gl.getParameter(gl.CURRENT_PROGRAM), null,
michael@0:     "No program should be initially set in the WebGL context.");
michael@0: 
michael@0:   renderer.useColorShader(new renderer.VertexBuffer([1, 2, 3], 3));
michael@0: 
michael@0:   ok(gl.getParameter(gl.CURRENT_PROGRAM) instanceof WebGLProgram,
michael@0:     "The correct program hasn't been set in the WebGL context.");
michael@0: }