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Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/js/tests/tex-image-and-sub-image-3d-with-canvas-sub-rectangle.js')
| -rw-r--r-- | dom/canvas/test/webgl-conf/checkout/js/tests/tex-image-and-sub-image-3d-with-canvas-sub-rectangle.js | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/js/tests/tex-image-and-sub-image-3d-with-canvas-sub-rectangle.js b/dom/canvas/test/webgl-conf/checkout/js/tests/tex-image-and-sub-image-3d-with-canvas-sub-rectangle.js new file mode 100644 index 0000000000..85f763a0de --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/js/tests/tex-image-and-sub-image-3d-with-canvas-sub-rectangle.js @@ -0,0 +1,287 @@ +/* +Copyright (c) 2019 The Khronos Group Inc. +Use of this source code is governed by an MIT-style license that can be +found in the LICENSE.txt file. +*/ + +function generateTest(internalFormat, pixelFormat, pixelType, prologue, resourcePath, defaultContextVersion) { + var wtu = WebGLTestUtils; + var tiu = TexImageUtils; + var gl = null; + var successfullyParsed = false; + var realRedColor = [255, 0, 0]; + var realGreenColor = [0, 255, 0]; + var realBlueColor = [0, 0, 255]; + var realCyanColor = [0, 255, 255]; + var redColor = [255, 0, 0]; + var greenColor = [0, 255, 0]; + var blueColor = [0, 0, 255]; + var cyanColor = [0, 255, 255]; + + function init() + { + description('Verify texImage3D and texSubImage3D code paths taking a sub-rectangle of a canvas (' + 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]; + blueColor = [0, 0, 0]; + cyanColor = [0, 0, 0]; + break; + + case gl.RG: + case gl.RG_INTEGER: + blueColor = [0, 0, 0]; + cyanColor = [0, 255, 0]; + break; + + default: + break; + } + + gl.clearColor(0,0,0,1); + gl.clearDepth(1); + + var canvas2d = document.createElement('canvas'); + runTest(canvas2d, setupSourceCanvas2D, '2D-rendered canvas'); + + var canvasWebGL = document.createElement('canvas'); + runTest(canvasWebGL, setupSourceCanvasWebGL, 'WebGL-rendered canvas'); + + finishTest(); + } + + function uploadCanvasToTexture(canvas, useTexSubImage3D, flipY, bindingTarget, + depth, sourceSubRectangle, unpackImageHeight) + { + gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); + // Disable any writes to the alpha channel + gl.colorMask(1, 1, 1, 0); + 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); + gl.texParameteri(bindingTarget, gl.TEXTURE_WRAP_R, gl.CLAMP_TO_EDGE); + // Set up pixel store parameters + gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, flipY); + gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false); + gl.pixelStorei(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, gl.NONE); + var uploadWidth = canvas.width; + var uploadHeight = canvas.height; + if (sourceSubRectangle) { + gl.pixelStorei(gl.UNPACK_SKIP_PIXELS, sourceSubRectangle[0]); + gl.pixelStorei(gl.UNPACK_SKIP_ROWS, sourceSubRectangle[1]); + uploadWidth = sourceSubRectangle[2]; + uploadHeight = sourceSubRectangle[3]; + } + if (unpackImageHeight) { + gl.pixelStorei(gl.UNPACK_IMAGE_HEIGHT, unpackImageHeight); + } + // Upload the image into the texture + if (useTexSubImage3D) { + // Initialize the texture to black first + gl.texImage3D(bindingTarget, 0, gl[internalFormat], uploadWidth, uploadHeight, depth, 0, + gl[pixelFormat], gl[pixelType], null); + gl.texSubImage3D(bindingTarget, 0, 0, 0, 0, uploadWidth, uploadHeight, depth, + gl[pixelFormat], gl[pixelType], canvas); + } else { + gl.texImage3D(bindingTarget, 0, gl[internalFormat], uploadWidth, uploadHeight, depth, 0, + gl[pixelFormat], gl[pixelType], canvas); + } + gl.pixelStorei(gl.UNPACK_SKIP_PIXELS, 0); + gl.pixelStorei(gl.UNPACK_SKIP_ROWS, 0); + gl.pixelStorei(gl.UNPACK_IMAGE_HEIGHT, 0); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors from texture upload"); + } + + function fillStyle2D(ctx, color) { + ctx.fillStyle = 'rgb(' + color[0] + ', ' + color[1] + ', ' + color[2] + ')'; + } + + function setupSourceCanvas2D(canvas) { + var width = canvas.width; + var height = canvas.height; + var halfWidth = Math.floor(width / 2); + var halfHeight = Math.floor(height / 2); + + var ctx = canvas.getContext('2d'); + // Always use the same pattern for this test: four quadrants: + // red green + // blue cyan + // Handle odd-sized canvases + fillStyle2D(ctx, realRedColor); + ctx.fillRect(0, 0, halfWidth, halfHeight); + fillStyle2D(ctx, realGreenColor); + ctx.fillRect(halfWidth, 0, width - halfWidth, halfHeight); + fillStyle2D(ctx, realBlueColor); + ctx.fillRect(0, halfHeight, halfWidth, height - halfHeight); + fillStyle2D(ctx, realCyanColor); + ctx.fillRect(halfWidth, halfHeight, width - halfWidth, height - halfHeight); + } + + function clearColorWebGL(ctx, color) { + ctx.clearColor(color[0] / 255.0, color[1] / 255.0, color[2] / 255.0, 1.0); + ctx.clear(ctx.COLOR_BUFFER_BIT); + } + + function setupSourceCanvasWebGL(canvas) { + var width = canvas.width; + var height = canvas.height; + var halfWidth = Math.floor(width / 2); + var halfHeight = Math.floor(height / 2); + + var ctx = canvas.getContext('webgl'); + // Always use the same pattern for this test: four quadrants: + // red green + // blue cyan + // Handle odd-sized canvases + + ctx.viewport(0, 0, width, height); + ctx.enable(ctx.SCISSOR_TEST); + // OpenGL origin is lower-left + ctx.scissor(0, 0, halfWidth, halfHeight); + clearColorWebGL(ctx, realBlueColor); + ctx.scissor(halfWidth, 0, width - halfWidth, halfHeight); + clearColorWebGL(ctx, realCyanColor); + ctx.scissor(0, halfHeight, halfWidth, height - halfHeight); + clearColorWebGL(ctx, realRedColor); + ctx.scissor(halfWidth, halfHeight, width - halfWidth, height - halfHeight); + clearColorWebGL(ctx, realGreenColor); + } + + function runOneIteration(canvas, useTexSubImage3D, flipY, bindingTarget, + depth, sourceSubRectangle, unpackImageHeight, + rTextureCoord, expectedColor, program, + canvasSize, canvasSetupFunction, sourceDescription) + { + debug(''); + debug('Testing ' + sourceDescription + ' with ' + + (useTexSubImage3D ? 'texSubImage3D' : 'texImage3D') + + ', flipY=' + flipY + ', bindingTarget=' + + (bindingTarget == gl.TEXTURE_3D ? 'TEXTURE_3D' : 'TEXTURE_2D_ARRAY') + + ', sourceSubRectangle=' + sourceSubRectangle + + ', depth=' + depth + + (unpackImageHeight ? ', unpackImageHeight=' + unpackImageHeight : '') + + ', rTextureCoord=' + rTextureCoord); + + // Initialize the contents of the source canvas. + var width = canvasSize[0]; + var height = canvasSize[1]; + var halfWidth = Math.floor(width / 2); + var halfHeight = Math.floor(height / 2); + canvas.width = width; + canvas.height = height; + canvasSetupFunction(canvas); + + uploadCanvasToTexture(canvas, useTexSubImage3D, flipY, bindingTarget, + depth, sourceSubRectangle, unpackImageHeight); + var rCoordLocation = gl.getUniformLocation(program, 'uRCoord'); + if (!rCoordLocation) { + testFailed('Shader incorrectly set up; couldn\'t find uRCoord uniform'); + return; + } + gl.uniform1f(rCoordLocation, rTextureCoord); + + // Draw the triangles + wtu.clearAndDrawUnitQuad(gl, [0, 0, 0, 255]); + // Check the rendered canvas + wtu.checkCanvasRect(gl, 0, 0, canvasSize[0], canvasSize[1], expectedColor, "shouldBe " + expectedColor); + } + + function runTest(canvas, canvasSetupFunction, sourceDescription) + { + var cases = [ + // Small canvas cases. Expected that these won't be + // GPU-accelerated in most browsers' implementations. + + // No UNPACK_IMAGE_HEIGHT specified. + { expected: redColor, flipY: false, size: [4, 4], subRect: [0, 0, 2, 2], depth: 2, rTextureCoord: 0.0 }, + { expected: blueColor, flipY: false, size: [4, 4], subRect: [0, 0, 2, 2], depth: 2, rTextureCoord: 1.0 }, + { expected: blueColor, flipY: true, size: [4, 4], subRect: [0, 0, 2, 2], depth: 2, rTextureCoord: 0.0 }, + { expected: redColor, flipY: true, size: [4, 4], subRect: [0, 0, 2, 2], depth: 2, rTextureCoord: 1.0 }, + { expected: greenColor, flipY: false, size: [4, 4], subRect: [2, 0, 2, 2], depth: 2, rTextureCoord: 0.0 }, + { expected: cyanColor, flipY: false, size: [4, 4], subRect: [2, 0, 2, 2], depth: 2, rTextureCoord: 1.0 }, + { expected: cyanColor, flipY: true, size: [4, 4], subRect: [2, 0, 2, 2], depth: 2, rTextureCoord: 0.0 }, + { expected: greenColor, flipY: true, size: [4, 4], subRect: [2, 0, 2, 2], depth: 2, rTextureCoord: 1.0 }, + + // Use UNPACK_IMAGE_HEIGHT to skip some pixels. + { expected: redColor, flipY: false, size: [4, 4], subRect: [0, 0, 1, 1], depth: 2, unpackImageHeight: 2, rTextureCoord: 0.0 }, + { expected: blueColor, flipY: false, size: [4, 4], subRect: [0, 0, 1, 1], depth: 2, unpackImageHeight: 2, rTextureCoord: 1.0 }, + { expected: blueColor, flipY: true, size: [4, 4], subRect: [0, 0, 1, 1], depth: 2, unpackImageHeight: 2, rTextureCoord: 0.0 }, + { expected: redColor, flipY: true, size: [4, 4], subRect: [0, 0, 1, 1], depth: 2, unpackImageHeight: 2, rTextureCoord: 1.0 }, + { expected: greenColor, flipY: false, size: [4, 4], subRect: [2, 0, 1, 1], depth: 2, unpackImageHeight: 2, rTextureCoord: 0.0 }, + { expected: cyanColor, flipY: false, size: [4, 4], subRect: [2, 0, 1, 1], depth: 2, unpackImageHeight: 2, rTextureCoord: 1.0 }, + { expected: cyanColor, flipY: true, size: [4, 4], subRect: [2, 0, 1, 1], depth: 2, unpackImageHeight: 2, rTextureCoord: 0.0 }, + { expected: greenColor, flipY: true, size: [4, 4], subRect: [2, 0, 1, 1], depth: 2, unpackImageHeight: 2, rTextureCoord: 1.0 }, + + // Larger canvas cases. Expected that these will be + // GPU-accelerated in most browsers' implementations. + // Changes will be gladly accepted to trigger more + // browsers' heuristics to accelerate these canvases. + + // No UNPACK_IMAGE_HEIGHT specified. + { expected: redColor, flipY: false, size: [384, 384], subRect: [0, 0, 192, 192], depth: 2, rTextureCoord: 0.0 }, + { expected: blueColor, flipY: false, size: [384, 384], subRect: [0, 0, 192, 192], depth: 2, rTextureCoord: 1.0 }, + { expected: blueColor, flipY: true, size: [384, 384], subRect: [0, 0, 192, 192], depth: 2, rTextureCoord: 0.0 }, + { expected: redColor, flipY: true, size: [384, 384], subRect: [0, 0, 192, 192], depth: 2, rTextureCoord: 1.0 }, + { expected: greenColor, flipY: false, size: [384, 384], subRect: [192, 0, 192, 192], depth: 2, rTextureCoord: 0.0 }, + { expected: cyanColor, flipY: false, size: [384, 384], subRect: [192, 0, 192, 192], depth: 2, rTextureCoord: 1.0 }, + { expected: cyanColor, flipY: true, size: [384, 384], subRect: [192, 0, 192, 192], depth: 2, rTextureCoord: 0.0 }, + { expected: greenColor, flipY: true, size: [384, 384], subRect: [192, 0, 192, 192], depth: 2, rTextureCoord: 1.0 }, + + // Use UNPACK_IMAGE_HEIGHT to skip some pixels. + { expected: redColor, flipY: false, size: [384, 384], subRect: [0, 0, 96, 96], depth: 2, unpackImageHeight: 192, rTextureCoord: 0.0 }, + { expected: blueColor, flipY: false, size: [384, 384], subRect: [0, 0, 96, 96], depth: 2, unpackImageHeight: 192, rTextureCoord: 1.0 }, + { expected: blueColor, flipY: true, size: [384, 384], subRect: [0, 0, 96, 96], depth: 2, unpackImageHeight: 192, rTextureCoord: 0.0 }, + { expected: redColor, flipY: true, size: [384, 384], subRect: [0, 0, 96, 96], depth: 2, unpackImageHeight: 192, rTextureCoord: 1.0 }, + { expected: greenColor, flipY: false, size: [384, 384], subRect: [192, 0, 96, 96], depth: 2, unpackImageHeight: 192, rTextureCoord: 0.0 }, + { expected: cyanColor, flipY: false, size: [384, 384], subRect: [192, 0, 96, 96], depth: 2, unpackImageHeight: 192, rTextureCoord: 1.0 }, + { expected: cyanColor, flipY: true, size: [384, 384], subRect: [192, 0, 96, 96], depth: 2, unpackImageHeight: 192, rTextureCoord: 0.0 }, + { expected: greenColor, flipY: true, size: [384, 384], subRect: [192, 0, 96, 96], depth: 2, unpackImageHeight: 192, rTextureCoord: 1.0 }, + ]; + + var program = tiu.setupTexturedQuadWith3D(gl, internalFormat); + for (var i in cases) { + runOneIteration(canvas, false, cases[i].flipY, gl.TEXTURE_3D, + cases[i].depth, cases[i].subRect, + cases[i].unpackImageHeight, cases[i].rTextureCoord, + cases[i].expected, + program, cases[i].size, canvasSetupFunction, sourceDescription); + runOneIteration(canvas, true, cases[i].flipY, gl.TEXTURE_3D, + cases[i].depth, cases[i].subRect, + cases[i].unpackImageHeight, cases[i].rTextureCoord, + cases[i].expected, + program, cases[i].size, canvasSetupFunction, sourceDescription); + } + + program = tiu.setupTexturedQuadWith2DArray(gl, internalFormat); + for (var i in cases) { + runOneIteration(canvas, false, cases[i].flipY, gl.TEXTURE_2D_ARRAY, + cases[i].depth, cases[i].subRect, + cases[i].unpackImageHeight, cases[i].rTextureCoord, + cases[i].expected, + program, cases[i].size, canvasSetupFunction, sourceDescription); + runOneIteration(canvas, true, cases[i].flipY, gl.TEXTURE_2D_ARRAY, + cases[i].depth, cases[i].subRect, + cases[i].unpackImageHeight, cases[i].rTextureCoord, + cases[i].expected, + program, cases[i].size, canvasSetupFunction, sourceDescription); + } + } + + return init; +} |