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Unified Diff: third_party/WebKit/LayoutTests/fast/canvas/webgl/read-pixels-test.html

Issue 1601093008: Remove duplicated WebGL layout tests. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 11 months ago
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Index: third_party/WebKit/LayoutTests/fast/canvas/webgl/read-pixels-test.html
diff --git a/third_party/WebKit/LayoutTests/fast/canvas/webgl/read-pixels-test.html b/third_party/WebKit/LayoutTests/fast/canvas/webgl/read-pixels-test.html
deleted file mode 100644
index 396ccdcb74240b031cb11a1ff1d1cb511242a7c8..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/fast/canvas/webgl/read-pixels-test.html
+++ /dev/null
@@ -1,221 +0,0 @@
-<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
-<html>
-<head>
-<title>WebGL ReadPixels conformance test.</title>
-<script src="../../../resources/js-test.js"></script>
-<script src="resources/webgl-test.js"> </script>
-<script src="resources/webgl-test-utils.js"> </script>
-</head>
-<body>
-<canvas id="example" width="200" height="200" style="width: 20px; height: 20px"></canvas>
-<div id="description"></div>
-<div id="console"></div>
-<script>
-description("Checks that ReadPixels works as expected.");
-
-if (window.internals)
- window.internals.settings.setWebGLErrorsToConsoleEnabled(false);
-
-var wtu = WebGLTestUtils;
-var canvas = document.getElementById("example");
-var gl = create3DContext(canvas);
-
-if (window.initNonKhronosFramework) {
- window.initNonKhronosFramework(true);
-}
-
-var actual;
-var expected;
-var width = 2;
-var height = 2;
-var continueTestFunc = continueTestPart1;
-
-gl.clearColor(1, 1, 1, 1);
-gl.clear(gl.COLOR_BUFFER_BIT);
-
-// Resize the canvas to 2x2. This is an attempt to get stuff in the backbuffer.
-// that shouldn't be there.
-canvas.addEventListener("webglcontextrestored", continueTestAfterContextRestored, false);
-canvas.width = width;
-canvas.height = height;
-if (gl.getError() != gl.CONTEXT_LOST_WEBGL) {
- continueTestPart1();
-}
-
-function continueTestAfterContextRestored() {
- window.gl = create3DContext(canvas);
- var func = continueTestFunc;
- window.continueTestFunc = function() { testFailed("should not be here"); };
- func();
-}
-
-function continueTestPart1() {
- gl.clearColor(0.5, 0.7, 1.0, 1);
- gl.clear(gl.COLOR_BUFFER_BIT);
-
- var innerColor = [0.5, 0.7, 1.0, 1];
- var outerColor = [0, 0, 0, 0];
-
- var tests = [
- { msg: 'in range', checkColor: innerColor, x: 0, y: 0,
- oneColor: innerColor, oneX: 0, oneY: 0},
- { msg: 'off top left', checkColor: outerColor, x: -1, y: -1,
- oneColor: innerColor, oneX: 1, oneY: 1},
- { msg: 'off bottom right', checkColor: outerColor, x: 1, y: 1,
- oneColor: innerColor, oneX: 0, oneY: 0},
- { msg: 'completely off top ', checkColor: outerColor, x: 0, y: -2,
- oneColor: outerColor, oneX: 0, oneY: 0},
- { msg: 'completely off bottom', checkColor: outerColor, x: 0, y: 2,
- oneColor: outerColor, oneX: 0, oneY: 0},
- { msg: 'completely off left', checkColor: outerColor, x: -2, y: 0,
- oneColor: outerColor, oneX: 0, oneY: 0},
- { msg: 'completeley off right', checkColor: outerColor, x: 2, y: 0,
- oneColor: outerColor, oneX: 0, oneY: 0}
- ];
-
- for (var tt = 0; tt < tests.length; ++tt) {
- var test = tests[tt];
- debug("");
- debug("checking: " + test.msg);
- checkBuffer(test.checkColor, test.x, test.y,
- test.oneColor, test.oneX, test.oneY);
- }
-
- glErrorShouldBe(gl, gl.NO_ERROR, "there should be no GL errors");
-
- function checkBuffer(checkColor, x, y, oneColor, oneX, oneY) {
- var buf = new Uint8Array(width * height * 4);
- gl.readPixels(x, y, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf);
- for (var yy = 0; yy < height; ++yy) {
- for (var xx = 0; xx < width; ++xx) {
- var offset = (yy * width + xx) * 4;
- var expectedColors = (oneX == xx && oneY == yy) ? oneColor : checkColor;
- for (var cc = 0; cc < 4; ++cc) {
- var expectedColor = expectedColors[cc] * 255;
- var color = buf[offset + cc];
- var diff = Math.abs(expectedColor - color);
- assertMsg(diff < 3,
- "color pixel at " + xx + ", " + yy + " should be about " + expectedColor);
- }
- }
- }
- }
-
- var badFormats = [
- {
- format: gl.RGB,
- type: gl.UNSIGNED_BYTE,
- dest: new Uint8Array(3),
- error: gl.INVALID_OPERATION
- },
- {
- format: gl.RGB,
- type: gl.UNSIGNED_SHORT_5_6_5,
- dest: new Uint8Array(3),
- error: gl.INVALID_OPERATION
- },
- {
- format: gl.RGBA,
- type: gl.UNSIGNED_SHORT_5_5_5_1,
- dest: new Uint16Array(1),
- error: gl.INVALID_OPERATION
- },
- {
- format: gl.RGBA,
- type: gl.UNSIGNED_SHORT_4_4_4_4,
- dest: new Uint16Array(1),
- error: gl.INVALID_OPERATION
- },
- {
- format: gl.ALPHA,
- type: gl.UNSIGNED_BYTE,
- dest: new Uint8Array(1),
- error: gl.INVALID_OPERATION
- },
- {
- format: gl.LUMINANCE,
- type: gl.UNSIGNED_BYTE,
- dest: new Uint8Array(1),
- error: gl.INVALID_ENUM
- },
- {
- format: gl.LUMINANCE_ALPHA,
- type: gl.UNSIGNED_BYTE,
- dest: new Uint8Array(2),
- error: gl.INVALID_ENUM
- }
- ];
- debug("");
- debug("check disallowed formats");
- for (var tt = 0; tt < badFormats.length; ++ tt) {
- var info = badFormats[tt]
- var format = info.format;
- var type = info.type;
- var dest = info.dest;
- var error = info.error;
- gl.readPixels(0, 0, 1, 1, format, type, dest);
- // note that the GL error is INVALID_OPERATION if both format and type are invalid, but
- // INVALID_ENUM if only one is.
- glErrorShouldBe(
- gl, error,
- "Should not be able to read as " + wtu.glEnumToString(gl, format) +
- " / " + wtu.glEnumToString(gl, type));
- }
-
- debug("");
- debug("check reading with lots of drawing");
- continueTestFunc = continueTestPart2;
- width = 1024;
- height = 1024;
- canvas.width = width;
- canvas.height = height;
- if (gl.getError() != gl.CONTEXT_LOST_WEBGL) {
- continueTestPart2();
- }
-}
-
-function continueTestPart2() {
- gl.viewport(0, 0, 1024, 1024);
- var program = wtu.setupTexturedQuad(gl);
- var loc = gl.getUniformLocation(program, "tex");
- gl.disable(gl.BLEND);
- gl.disable(gl.DEPTH_TEST);
- var colors = [[255, 0, 0, 255], [0, 255, 0, 255], [0, 0, 255, 255]];
- var textures = [];
- var results = [];
- for (var ii = 0; ii < colors.length; ++ii) {
- gl.activeTexture(gl.TEXTURE0 + ii);
- var tex = gl.createTexture();
- wtu.fillTexture(gl, tex, 1, 1, colors[ii]);
- textures.push(tex);
- }
- for (var ii = 0; ii < colors.length; ++ii) {
- for (var jj = 0; jj < 0 + ii + 1; ++jj) {
- gl.uniform1i(loc, jj % 3);
- gl.drawArrays(gl.TRIANGLES, 0, 6);
- }
- var buf = new Uint8Array(4);
- gl.readPixels(512, 512, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, buf);
- results.push(buf);
- for (var kk = 0; kk < 1; ++kk) {
- gl.uniform1i(loc, (jj + kk) % 3);
- gl.drawArrays(gl.TRIANGLES, 0, 6);
- }
- }
- for (var ii = 0; ii < colors.length; ++ii) {
- var buf = results[ii];
- var color = colors[ii];
- actual = [buf[0], buf[1], buf[2], buf[3]];
- expected = [color[0], color[1], color[2], color[3]];
- shouldBe("actual", "expected");
- }
- glErrorShouldBe(gl, gl.NO_ERROR, "there should be no GL errors");
-
- debug("");
- finishTest();
-}
-</script>
-</body>
-</html>
-

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