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Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/js/tests/tex-image-and-sub-image-2d-with-canvas.js')
| -rw-r--r-- | dom/canvas/test/webgl-conf/checkout/js/tests/tex-image-and-sub-image-2d-with-canvas.js | 320 |
1 files changed, 320 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/js/tests/tex-image-and-sub-image-2d-with-canvas.js b/dom/canvas/test/webgl-conf/checkout/js/tests/tex-image-and-sub-image-2d-with-canvas.js new file mode 100644 index 000000000..4024a0200 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/js/tests/tex-image-and-sub-image-2d-with-canvas.js @@ -0,0 +1,320 @@ +/* +** Copyright (c) 2012 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 whiteColor = [255, 255, 255, 255]; + var redColor = [255, 0, 0]; + var greenColor = [0, 255, 0]; + + function init() + { + description('Verify texImage2D and texSubImage2D code paths taking 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: + whiteColor = [255, 0, 0, 255]; + greenColor = [0, 0, 0]; + break; + case gl.RG: + case gl.RG_INTEGER: + whiteColor = [255, 255, 0, 255]; + break; + default: + break; + } + + gl.clearColor(0,0,0,1); + gl.clearDepth(1); + + var testCanvas = document.createElement('canvas'); + runTest(testCanvas); + //document.body.appendChild(testCanvas); + } + + function setCanvasToRedGreen(ctx) { + var width = ctx.canvas.width; + var height = ctx.canvas.height; + var halfHeight = Math.floor(height / 2); + ctx.fillStyle = "#ff0000"; + ctx.fillRect(0, 0, width, halfHeight); + ctx.fillStyle = "#00ff00"; + ctx.fillRect(0, halfHeight, width, height - halfHeight); + } + + function drawTextInCanvas(ctx, bindingTarget) { + var width = ctx.canvas.width; + var height = ctx.canvas.height; + ctx.fillStyle = "#ffffff"; + ctx.fillRect(0, 0, width, height); + ctx.font = '20pt Arial'; + ctx.fillStyle = 'black'; + ctx.textAlign = "center"; + ctx.textBaseline = "middle"; + ctx.fillText("1234567890", width / 2, height / 4); + } + + function setCanvasTo257x257(ctx, bindingTarget) { + ctx.canvas.width = 257; + ctx.canvas.height = 257; + setCanvasToRedGreen(ctx); + } + + function setCanvasToMin(ctx, bindingTarget) { + if (bindingTarget == gl.TEXTURE_CUBE_MAP) { + // cube map texture must be square. + ctx.canvas.width = 2; + } else { + ctx.canvas.width = 1; + } + ctx.canvas.height = 2; + setCanvasToRedGreen(ctx); + } + + function checkSourceCanvasImageData(imageDataBefore, imageDataAfter) { + if (imageDataBefore.length != imageDataAfter.length) { + testFailed("The size of image data in source canvas become different after it is used in webgl texture."); + return; + } + for (var i = 0; i < imageDataAfter.length; i++) { + if (imageDataBefore[i] != imageDataAfter[i]) { + testFailed("Pixel values in source canvas have changed after canvas used in webgl texture."); + return; + } + } + testPassed("Pixel values in source canvas remain unchanged after canvas used in webgl texture."); + } + + function runOneIteration(canvas, useTexSubImage2D, flipY, program, bindingTarget, opt_texture, opt_fontTest) + { + debug('Testing ' + (useTexSubImage2D ? 'texSubImage2D' : 'texImage2D') + + ' with flipY=' + flipY + ' bindingTarget=' + (bindingTarget == gl.TEXTURE_2D ? 'TEXTURE_2D' : 'TEXTURE_CUBE_MAP') + + ' canvas size: ' + canvas.width + 'x' + canvas.height + + (opt_fontTest ? " with fonts" : " 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_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);'); + var targets = [gl.TEXTURE_2D]; + if (bindingTarget == gl.TEXTURE_CUBE_MAP) { + targets = [gl.TEXTURE_CUBE_MAP_POSITIVE_X, + gl.TEXTURE_CUBE_MAP_NEGATIVE_X, + gl.TEXTURE_CUBE_MAP_POSITIVE_Y, + gl.TEXTURE_CUBE_MAP_NEGATIVE_Y, + gl.TEXTURE_CUBE_MAP_POSITIVE_Z, + gl.TEXTURE_CUBE_MAP_NEGATIVE_Z]; + } + // Upload the image into the texture + for (var tt = 0; tt < targets.length; ++tt) { + // Initialize the texture to black first + if (useTexSubImage2D) { + gl.texImage2D(targets[tt], 0, gl[internalFormat], canvas.width, canvas.height, 0, + gl[pixelFormat], gl[pixelType], null); + gl.texSubImage2D(targets[tt], 0, 0, 0, gl[pixelFormat], gl[pixelType], canvas); + } else { + gl.texImage2D(targets[tt], 0, gl[internalFormat], gl[pixelFormat], gl[pixelType], canvas); + } + } + + var width = gl.canvas.width; + var height = gl.canvas.height; + var halfWidth = Math.floor(width / 2); + var halfHeight = Math.floor(height / 2); + var top = flipY ? 0 : (height - halfHeight); + var bottom = flipY ? (height - halfHeight) : 0; + + var loc; + var skipCorner = false; + if (bindingTarget == gl.TEXTURE_CUBE_MAP) { + loc = gl.getUniformLocation(program, "face"); + switch (gl[pixelFormat]) { + case gl.RED_INTEGER: + case gl.RG_INTEGER: + case gl.RGB_INTEGER: + case gl.RGBA_INTEGER: + // https://github.com/KhronosGroup/WebGL/issues/1819 + skipCorner = true; + break; + } + } + + for (var tt = 0; tt < targets.length; ++tt) { + if (bindingTarget == gl.TEXTURE_CUBE_MAP) { + gl.uniform1i(loc, targets[tt]); + } + // Draw the triangles + wtu.clearAndDrawUnitQuad(gl, [0, 255, 0, 255]); + + if (opt_fontTest) { + // check half is a solid color. + wtu.checkCanvasRect( + gl, 0, top, width, halfHeight, + whiteColor, + "should be white"); + // check other half is not a solid color. + wtu.checkCanvasRectColor( + gl, 0, bottom, width, halfHeight, + whiteColor, 0, + function() { + testFailed("font missing"); + }, + function() { + testPassed("font rendered"); + }, + debug); + } else { + // Check the top and bottom halves and make sure they have the right color. + debug("Checking " + (flipY ? "top" : "bottom")); + wtu.checkCanvasRect(gl, 0, bottom, (skipCorner && flipY) ? halfWidth : width, halfHeight, redColor, + "shouldBe " + redColor); + debug("Checking " + (flipY ? "bottom" : "top")); + wtu.checkCanvasRect(gl, 0, top, (skipCorner && !flipY) ? halfWidth : width, halfHeight, greenColor, + "shouldBe " + greenColor); + } + + if (!useTexSubImage2D && pixelFormat == "RGBA") { + if (pixelType == "FLOAT") { + // Attempt to set a pixel in the texture to ensure the texture was + // actually created with floats. Regression test for http://crbug.com/484968 + var pixels = new Float32Array([1000.0, 1000.0, 1000.0, 1000.0]); + gl.texSubImage2D(targets[tt], 0, 0, 0, 1, 1, gl[pixelFormat], gl[pixelType], pixels); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Texture should be backed by floats"); + } else if (pixelType == "HALF_FLOAT_OES" || pixelType == "HALF_FLOAT") { + // Attempt to set a pixel in the texture to ensure the texture was + // actually created with half-floats. Regression test for http://crbug.com/484968 + var halfFloatTenK = 0x70E2; // Half float 10000 + var pixels = new Uint16Array([halfFloatTenK, halfFloatTenK, halfFloatTenK, halfFloatTenK]); + gl.texSubImage2D(targets[tt], 0, 0, 0, 1, 1, gl[pixelFormat], gl[pixelType], pixels); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Texture should be backed by half-floats"); + } + } + } + + if (false) { + var m = wtu.makeImageFromCanvas(gl.canvas); + document.getElementById("console").appendChild(m); + document.getElementById("console").appendChild(document.createElement("hr")); + } + + return texture; + } + + function runTest(canvas) + { + var ctx = canvas.getContext("2d"); + + var cases = [ + { sub: false, flipY: true, font: false, init: setCanvasToMin }, + { sub: false, flipY: false, font: false }, + { sub: true, flipY: true, font: false }, + { sub: true, flipY: false, font: false }, + { sub: false, flipY: true, font: false, init: setCanvasTo257x257 }, + { sub: false, flipY: false, font: false }, + { sub: true, flipY: true, font: false }, + { sub: true, flipY: false, font: false }, + { sub: false, flipY: true, font: true, init: drawTextInCanvas }, + { sub: false, flipY: false, font: true }, + { sub: true, flipY: true, font: true }, + { sub: true, flipY: false, font: true }, + ]; + + function runTexImageTest(bindingTarget) { + var program; + if (bindingTarget == gl.TEXTURE_2D) { + program = tiu.setupTexturedQuad(gl, internalFormat); + } else { + program = tiu.setupTexturedQuadWithCubeMap(gl, internalFormat); + } + + return new Promise(function(resolve, reject) { + var count = 4; + var caseNdx = 0; + var texture = undefined; + function runNextTest() { + var c = cases[caseNdx]; + var imageDataBefore = null; + if (c.init) { + c.init(ctx, bindingTarget); + imageDataBefore = ctx.getImageData(0, 0, canvas.width, canvas.height); + } + texture = runOneIteration(canvas, c.sub, c.flipY, program, bindingTarget, texture, c.font); + if (c.init) { + debug("Checking if pixel values in source canvas change after canvas used as webgl texture"); + checkSourceCanvasImageData(imageDataBefore, ctx.getImageData(0, 0, canvas.width, canvas.height)); + } + // for the first 2 iterations always make a new texture. + if (count > 2) { + gl.deleteTexture(texture); + texture = undefined; + } + ++caseNdx; + if (caseNdx == cases.length) { + caseNdx = 0; + --count; + if (!count) { + resolve("SUCCESS"); + return; + } + } + wtu.waitForComposite(runNextTest); + } + runNextTest(); + }); + } + + runTexImageTest(gl.TEXTURE_2D).then(function(val) { + runTexImageTest(gl.TEXTURE_CUBE_MAP).then(function(val) { + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors"); + finishTest(); + }); + }); + } + + return init; +} |