| /* |
| ** Copyright (c) 2015 The Khronos Group Inc. |
| ** |
| ** Permission is hereby granted, free of charge, to any person obtaining a |
| ** copy of this software and/or associated documentation files (the |
| ** "Materials"), to deal in the Materials without restriction, including |
| ** without limitation the rights to use, copy, modify, merge, publish, |
| ** distribute, sublicense, and/or sell copies of the Materials, and to |
| ** permit persons to whom the Materials are 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 Materials. |
| ** |
| ** THE MATERIALS ARE 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 |
| ** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. |
| */ |
| |
| function generateTest(internalFormat, pixelFormat, pixelType, prologue, resourcePath, defaultContextVersion) { |
| var wtu = WebGLTestUtils; |
| var tiu = TexImageUtils; |
| var gl = null; |
| var successfullyParsed = false; |
| var redColor = [255, 0, 0]; |
| var greenColor = [0, 255, 0]; |
| |
| function init() |
| { |
| description('Verify texImage3D and texSubImage3D code paths taking webgl canvas elements (' + internalFormat + '/' + pixelFormat + '/' + pixelType + ')'); |
| |
| // Set the default context version while still allowing the webglVersion URL query string to override it. |
| wtu.setDefault3DContextVersion(defaultContextVersion); |
| gl = wtu.create3DContext("example"); |
| |
| if (!prologue(gl)) { |
| finishTest(); |
| return; |
| } |
| |
| switch (gl[pixelFormat]) { |
| case gl.RED: |
| case gl.RED_INTEGER: |
| greenColor = [0, 0, 0]; |
| break; |
| default: |
| break; |
| } |
| |
| gl.clearColor(0,0,0,1); |
| gl.clearDepth(1); |
| |
| runTest(); |
| } |
| |
| function setCanvasToRedGreen(ctx) { |
| var width = ctx.canvas.width; |
| var height = ctx.canvas.height; |
| var halfHeight = Math.floor(height / 2); |
| |
| ctx.viewport(0, 0, width, height); |
| |
| ctx.enable(ctx.SCISSOR_TEST); |
| ctx.scissor(0, 0, width, halfHeight); |
| ctx.clearColor(1.0, 0, 0, 1.0); |
| ctx.clear(ctx.COLOR_BUFFER_BIT); |
| ctx.scissor(0, halfHeight, width, height - halfHeight); |
| ctx.clearColor(0.0, 1.0, 0, 1.0); |
| ctx.clear(ctx.COLOR_BUFFER_BIT); |
| ctx.disable(ctx.SCISSOR_TEST); |
| } |
| |
| function setCanvasTo257x257(ctx, bindingTarget) { |
| ctx.canvas.width = 257; |
| ctx.canvas.height = 257; |
| setCanvasToRedGreen(ctx); |
| } |
| |
| function setCanvasToMin(ctx, bindingTarget) { |
| ctx.canvas.width = 1; |
| ctx.canvas.height = 2; |
| setCanvasToRedGreen(ctx); |
| } |
| |
| function runOneIteration(canvas, flipY, program, bindingTarget, opt_texture) |
| { |
| debug('Testing flipY=' + flipY + ' visible=' + (canvas.parentNode ? true : false) + |
| ' bindingTarget=' + (bindingTarget == gl.TEXTURE_3D ? 'TEXTURE_3D' : 'TEXTURE_2D_ARRAY') + |
| ' canvas size: ' + canvas.width + 'x' + canvas.height + ' with red-green'); |
| |
| gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); |
| if (!opt_texture) { |
| var texture = gl.createTexture(); |
| // Bind the texture to texture unit 0 |
| gl.bindTexture(bindingTarget, texture); |
| // Set up texture parameters |
| gl.texParameteri(bindingTarget, gl.TEXTURE_MIN_FILTER, gl.NEAREST); |
| gl.texParameteri(bindingTarget, gl.TEXTURE_MAG_FILTER, gl.NEAREST); |
| gl.texParameteri(bindingTarget, gl.TEXTURE_WRAP_R, gl.CLAMP_TO_EDGE); |
| gl.texParameteri(bindingTarget, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); |
| gl.texParameteri(bindingTarget, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); |
| } else { |
| var texture = opt_texture; |
| } |
| // Set up pixel store parameters |
| gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, flipY); |
| gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false); |
| wtu.failIfGLError(gl, 'gl.pixelStorei(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, gl.NONE);'); |
| |
| // Upload the image into the texture |
| // Initialize the texture to black first |
| gl.texImage3D(bindingTarget, 0, gl[internalFormat], canvas.width, canvas.height, 1 /* depth */, 0, |
| gl[pixelFormat], gl[pixelType], null); |
| gl.texSubImage3D(bindingTarget, 0, 0, 0, 0, canvas.width, canvas.height, 1 /* depth */, |
| gl[pixelFormat], gl[pixelType], canvas); |
| |
| var width = gl.canvas.width; |
| var height = gl.canvas.height; |
| var halfHeight = Math.floor(height / 2); |
| var top = flipY ? (height - halfHeight) : 0; |
| var bottom = flipY ? 0 : (height - halfHeight); |
| |
| // Draw the triangles |
| wtu.clearAndDrawUnitQuad(gl, [0, 255, 0, 255]); |
| |
| // Check the top and bottom halves and make sure they have the right color. |
| debug("Checking " + (flipY ? "top" : "bottom")); |
| wtu.checkCanvasRect(gl, 0, bottom, width, halfHeight, redColor, "shouldBe " + redColor); |
| debug("Checking " + (flipY ? "bottom" : "top")); |
| wtu.checkCanvasRect(gl, 0, top, width, halfHeight, greenColor, "shouldBe " + greenColor); |
| |
| if (false) { |
| var ma = wtu.makeImageFromCanvas(canvas); |
| document.getElementById("console").appendChild(ma); |
| |
| var m = wtu.makeImageFromCanvas(gl.canvas); |
| document.getElementById("console").appendChild(m); |
| document.getElementById("console").appendChild(document.createElement("hr")); |
| } |
| |
| return texture; |
| } |
| |
| function runTest() |
| { |
| var ctx = wtu.create3DContext(); |
| var canvas = ctx.canvas; |
| // Note: We use preserveDrawingBuffer:true to prevent canvas |
| // visibility from interfering with the tests. |
| var visibleCtx = wtu.create3DContext(null, { preserveDrawingBuffer:true }); |
| var visibleCanvas = visibleCtx.canvas; |
| visibleCanvas.width = visibleCanvas.height = 32; |
| setCanvasToRedGreen(visibleCtx); |
| var descriptionNode = document.getElementById("description"); |
| document.body.insertBefore(visibleCanvas, descriptionNode); |
| |
| var cases = [ |
| { flipY: true, canvas: canvas, init: setCanvasToMin }, |
| { flipY: false, canvas: canvas }, |
| { flipY: true, canvas: canvas, init: setCanvasTo257x257 }, |
| { flipY: false, canvas: canvas }, |
| { flipY: true, canvas: visibleCanvas }, |
| { flipY: false, canvas: visibleCanvas }, |
| ]; |
| |
| function runTexImageTest(bindingTarget) { |
| var program; |
| if (bindingTarget == gl.TEXTURE_3D) { |
| program = tiu.setupTexturedQuadWith3D(gl, internalFormat); |
| } else { |
| program = tiu.setupTexturedQuadWith2DArray(gl, internalFormat); |
| } |
| |
| return new Promise(function(resolve, reject) { |
| var count = 4; |
| var caseNdx = 0; |
| var texture = undefined; |
| function runNextTest() { |
| var c = cases[caseNdx]; |
| if (c.init) { |
| c.init(ctx, bindingTarget); |
| } |
| texture = runOneIteration(c.canvas, c.flipY, program, bindingTarget, texture); |
| // for the first 2 iterations always make a new texture. |
| if (count > 2) { |
| texture = undefined; |
| } |
| ++caseNdx; |
| if (caseNdx == cases.length) { |
| caseNdx = 0; |
| --count; |
| if (!count) { |
| resolve("SUCCESS"); |
| return; |
| } |
| } |
| wtu.waitForComposite(runNextTest); |
| } |
| runNextTest(); |
| }); |
| } |
| |
| runTexImageTest(gl.TEXTURE_3D).then(function(val) { |
| runTexImageTest(gl.TEXTURE_2D_ARRAY).then(function(val) { |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors"); |
| finishTest(); |
| }); |
| }); |
| } |
| |
| return init; |
| } |