summaryrefslogtreecommitdiffstats
path: root/dom/canvas/test/webgl-conf/checkout/js/tests/tex-image-and-sub-image-2d-with-image-data.js
diff options
context:
space:
mode:
Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/js/tests/tex-image-and-sub-image-2d-with-image-data.js')
-rw-r--r--dom/canvas/test/webgl-conf/checkout/js/tests/tex-image-and-sub-image-2d-with-image-data.js267
1 files changed, 267 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/js/tests/tex-image-and-sub-image-2d-with-image-data.js b/dom/canvas/test/webgl-conf/checkout/js/tests/tex-image-and-sub-image-2d-with-image-data.js
new file mode 100644
index 000000000..80abb697c
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/js/tests/tex-image-and-sub-image-2d-with-image-data.js
@@ -0,0 +1,267 @@
+/*
+** 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 imageData = null;
+ var blackColor = [0, 0, 0];
+ var redColor = [255, 0, 0];
+ var greenColor = [0, 255, 0];
+
+ function init()
+ {
+ description('Verify texImage2D and texSubImage2D code paths taking ImageData (' + 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);
+ gl.disable(gl.BLEND);
+
+ var canvas2d = document.getElementById("texcanvas");
+ var context2d = canvas2d.getContext("2d");
+ imageData = context2d.createImageData(2, 2);
+ var data = imageData.data;
+ data[0] = 255;
+ data[1] = 0;
+ data[2] = 0;
+ data[3] = 255;
+ data[4] = 255;
+ data[5] = 0;
+ data[6] = 0;
+ data[7] = 0;
+ data[8] = 0;
+ data[9] = 255;
+ data[10] = 0;
+ data[11] = 255;
+ data[12] = 0;
+ data[13] = 255;
+ data[14] = 0;
+ data[15] = 0;
+
+ runTest();
+ }
+
+ function runOneIteration(useTexSubImage2D, flipY, premultiplyAlpha,
+ sourceSubRectangle, expected,
+ bindingTarget, program)
+ {
+ sourceSubRectangleString = '';
+ if (sourceSubRectangle) {
+ sourceSubRectangleString = ', sourceSubRectangle=' + sourceSubRectangle;
+ }
+ debug('');
+ debug('Testing ' + (useTexSubImage2D ? 'texSubImage2D' : 'texImage2D') +
+ ' with flipY=' + flipY + ' and premultiplyAlpha=' + premultiplyAlpha +
+ ', bindingTarget=' + (bindingTarget == gl.TEXTURE_2D ? 'TEXTURE_2D' : 'TEXTURE_CUBE_MAP') +
+ sourceSubRectangleString);
+
+ 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;
+ }
+ }
+
+ if (skipCorner && expected.length == 1 && (flipY ^ sourceSubRectangle[1] == 0)) {
+ debug("Test skipped, see WebGL#1819");
+ return;
+ }
+
+ gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
+ // Enable writes to the RGBA channels
+ 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);
+ // Set up pixel store parameters
+ gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, flipY);
+ gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, premultiplyAlpha);
+ 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];
+ }
+ // Handle the source sub-rectangle if specified (WebGL 2.0 only)
+ if (sourceSubRectangle) {
+ gl.pixelStorei(gl.UNPACK_SKIP_PIXELS, sourceSubRectangle[0]);
+ gl.pixelStorei(gl.UNPACK_SKIP_ROWS, sourceSubRectangle[1]);
+ }
+ // Upload the image into the texture
+ for (var tt = 0; tt < targets.length; ++tt) {
+ if (sourceSubRectangle) {
+ if (useTexSubImage2D) {
+ // Initialize the texture to black first
+ gl.texImage2D(targets[tt], 0, gl[internalFormat],
+ sourceSubRectangle[2], sourceSubRectangle[3], 0,
+ gl[pixelFormat], gl[pixelType], null);
+ gl.texSubImage2D(targets[tt], 0, 0, 0,
+ sourceSubRectangle[2], sourceSubRectangle[3],
+ gl[pixelFormat], gl[pixelType], imageData);
+ } else {
+ gl.texImage2D(targets[tt], 0, gl[internalFormat],
+ sourceSubRectangle[2], sourceSubRectangle[3], 0,
+ gl[pixelFormat], gl[pixelType], imageData);
+ }
+ } else {
+ if (useTexSubImage2D) {
+ // Initialize the texture to black first
+ gl.texImage2D(targets[tt], 0, gl[internalFormat], imageData.width, imageData.height, 0,
+ gl[pixelFormat], gl[pixelType], null);
+ gl.texSubImage2D(targets[tt], 0, 0, 0, gl[pixelFormat], gl[pixelType], imageData);
+ } else {
+ gl.texImage2D(targets[tt], 0, gl[internalFormat], gl[pixelFormat], gl[pixelType], imageData);
+ }
+ }
+ }
+
+ if (sourceSubRectangle) {
+ gl.pixelStorei(gl.UNPACK_SKIP_PIXELS, 0);
+ gl.pixelStorei(gl.UNPACK_SKIP_ROWS, 0);
+ }
+
+ var width = gl.canvas.width;
+ var halfWidth = Math.floor(width / 2);
+ var height = gl.canvas.height;
+ var halfHeight = Math.floor(height / 2);
+
+ var top = 0;
+ var bottom = height - halfHeight;
+ var left = 0;
+ var right = width - halfWidth;
+
+ var tl, tr, bl, br;
+ if (expected.length == 1) {
+ tl = tr = bl = br = expected[0];
+ } else {
+ tl = expected[0];
+ tr = expected[1];
+ bl = expected[2];
+ br = expected[3];
+ }
+
+ 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, 0, 0, 255]);
+
+ // Check the top pixel and bottom pixel and make sure they have
+ // the right color.
+ wtu.checkCanvasRect(gl, left, top, halfWidth, halfHeight, tl, "shouldBe " + tl);
+ if (!skipCorner) {
+ wtu.checkCanvasRect(gl, right, top, halfWidth, halfHeight, tr, "shouldBe " + tr);
+ }
+ wtu.checkCanvasRect(gl, left, bottom, halfWidth, halfHeight, bl, "shouldBe " + bl);
+ if (!skipCorner) {
+ wtu.checkCanvasRect(gl, right, bottom, halfWidth, halfHeight, br, "shouldBe " + br);
+ }
+ }
+ }
+
+ function runTest()
+ {
+ var program = tiu.setupTexturedQuad(gl, internalFormat);
+ runTestOnBindingTarget(gl.TEXTURE_2D, program);
+ program = tiu.setupTexturedQuadWithCubeMap(gl, internalFormat);
+ runTestOnBindingTarget(gl.TEXTURE_CUBE_MAP, program);
+
+ wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors");
+ finishTest();
+ }
+
+ function runTestOnBindingTarget(bindingTarget, program) {
+ var k = blackColor;
+ var r = redColor;
+ var g = greenColor;
+ var cases = [
+ { expected: [r, r, g, g], flipY: false, premultiplyAlpha: false, sub: false },
+ { expected: [r, r, g, g], flipY: false, premultiplyAlpha: false, sub: true },
+ { expected: [r, k, g, k], flipY: false, premultiplyAlpha: true, sub: false },
+ { expected: [r, k, g, k], flipY: false, premultiplyAlpha: true, sub: true },
+ { expected: [g, g, r, r], flipY: true, premultiplyAlpha: false, sub: false },
+ { expected: [g, g, r, r], flipY: true, premultiplyAlpha: false, sub: true },
+ { expected: [g, k, r, k], flipY: true, premultiplyAlpha: true, sub: false },
+ { expected: [g, k, r, k], flipY: true, premultiplyAlpha: true, sub: true },
+ ];
+
+ if (wtu.getDefault3DContextVersion() > 1) {
+ var morecases = [];
+ // Make 2 copies of the original case: top left and bottom right 1x1 rectangles
+ for (var i = 0; i < cases.length; i++) {
+ for (var subX = 0; subX <= 1; subX++) {
+ var subY = subX == 0 ? 1 : 0;
+ // shallow-copy cases[i] into newcase
+ var newcase = Object.assign({}, cases[i]);
+ newcase.expected = [cases[i].expected[subY * 2 + subX]];
+ newcase.sourceSubRectangle = [subX, subY, 1, 1];
+ morecases.push(newcase);
+ }
+ }
+ cases = cases.concat(morecases);
+ }
+
+ for (var i in cases) {
+ runOneIteration(cases[i].sub, cases[i].flipY, cases[i].premultiplyAlpha,
+ cases[i].sourceSubRectangle, cases[i].expected,
+ bindingTarget, program);
+ }
+ }
+
+ return init;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-15 01:41:39 +0000