LayoutTests/fast/canvas/webgl/tex-image-and-sub-image-2d-with-image-data.html - Issue 10441002: Merge 117918 - Must set/reset pixel unpack alignment to 1 during texSubImage2D

Unified Diff: LayoutTests/fast/canvas/webgl/tex-image-and-sub-image-2d-with-image-data.html

Issue 10441002: Merge 117918 - Must set/reset pixel unpack alignment to 1 during texSubImage2D (Closed) Base URL: http://svn.webkit.org/repository/webkit/branches/chromium/1132/

Patch Set: Created 8 years, 7 months ago

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Index: LayoutTests/fast/canvas/webgl/tex-image-and-sub-image-2d-with-image-data.html

===================================================================

--- LayoutTests/fast/canvas/webgl/tex-image-and-sub-image-2d-with-image-data.html (revision 118258)

+++ LayoutTests/fast/canvas/webgl/tex-image-and-sub-image-2d-with-image-data.html (working copy)

@@ -1,133 +1,19 @@

+<!DOCTYPE html>

<html>

<head>

+<meta charset="utf-8">

+<link rel="stylesheet" href="../../js/resources/js-test-style.css"/>

+<script src="resources/tex-image-and-sub-image-2d-with-image-data.js"></script>

-var wtu = WebGLTestUtils;

-var gl = null;

-var textureLoc = null;

-var imageData = null;

-function init()

- if (window.initNonKhronosFramework) {

- window.initNonKhronosFramework(true);

- }

- description('Verify texImage2D and texSubImage2D code paths taking ImageData');

- var canvas2d = document.getElementById("texcanvas");

- var context2d = canvas2d.getContext("2d");

- imageData = context2d.createImageData(1, 2);

- var data = imageData.data;

- data[0] = 255;

- data[1] = 0;

- data[2] = 0;

- data[3] = 255;

- data[4] = 0;

- data[5] = 255;

- data[6] = 0;

- data[7] = 0;

- wtu = WebGLTestUtils;

- var canvas = document.getElementById("example");

- gl = wtu.create3DContext(canvas);

- var program = wtu.setupTexturedQuad(gl);

- gl.clearColor(0,0,0,1);

- gl.clearDepth(1);

- gl.disable(gl.BLEND);

- textureLoc = gl.getUniformLocation(program, "tex");

- runTest();

+function testPrologue(gl) {

+ return true;

}

-// These two declarations need to be global for "shouldBe" to see them

-var buf = null;

-var idx = 0;

-var pixel = [0, 0, 0, 1];

-var correctColor = null;

-function runOneIteration(useTexSubImage2D, flipY, premultiplyAlpha, topColor, bottomColor)

- debug('Testing ' + (useTexSubImage2D ? 'texSubImage2D' : 'texImage2D') +

- ' with flipY=' + flipY + ' and premultiplyAlpha=' + premultiplyAlpha);

- 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(gl.TEXTURE_2D, texture);

- // Set up texture parameters

- gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);

- gl.texParameteri(gl.TEXTURE_2D, 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);

- // Upload the image into the texture

- if (useTexSubImage2D) {

- // Initialize the texture to black first

- gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1, 2, 0,

- gl.RGBA, gl.UNSIGNED_BYTE, null);

- gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, gl.RGBA, gl.UNSIGNED_BYTE, imageData);

- } else {

- gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, imageData);

- }

- // Point the uniform sampler to texture unit 0

- gl.uniform1i(textureLoc, 0);

- // Draw the triangles

- wtu.drawQuad(gl, [0, 0, 0, 255]);

- // Read back the rendering results

- buf = new Uint8Array(1 * 2 * 4);

- gl.readPixels(0, 0, 1, 2, gl.RGBA, gl.UNSIGNED_BYTE, buf);

- // Check the top pixel and bottom pixel and make sure they have

- // the right color.

- debug("Checking bottom pixel");

- wtu.checkCanvasRect(gl, 0, 0, 1, 1, bottomColor, "shouldBe " + bottomColor);

- debug("Checking top pixel");

- wtu.checkCanvasRect(gl, 0, 1, 1, 1, topColor, "shouldBe " + topColor);

-function runTest()

- var red = [255, 0, 0, 255];

- var green = [0, 255, 0, 255];

- var redPremultiplyAlpha = [255, 0, 0, 255];

- var greenPremultiplyAlpha = [0, 0, 0, 255];

- runOneIteration(false, true, false,

- red, green);

- runOneIteration(false, false, false,

- green, red);

- runOneIteration(false, true, true,

- redPremultiplyAlpha, greenPremultiplyAlpha);

- runOneIteration(false, false, true,

- greenPremultiplyAlpha, redPremultiplyAlpha);

- runOneIteration(true, true, false,

- red, green);

- runOneIteration(true, false, false,

- green, red);

- runOneIteration(true, true, true,

- redPremultiplyAlpha, greenPremultiplyAlpha);

- runOneIteration(true, false, true,

- greenPremultiplyAlpha, redPremultiplyAlpha);

- var epilogue = document.createElement("script");

- epilogue.onload = finish;

- epilogue.src = "../../js/resources/js-test-post.js";

- document.body.appendChild(epilogue);

-function finish() {

- if (window.nonKhronosFrameworkNotifyDone) {

- window.nonKhronosFrameworkNotifyDone();

- }

</script>

</head>

-<body onload="init()">

+<body onload='generateTest("RGBA", "UNSIGNED_BYTE", testPrologue)()'>