third_party/webgl/sdk/tests/conformance/rendering/point-size.html - Issue 10399113: Roll webgl conformance tests to r17874: part 2, adding r17874

Unified Diff: third_party/webgl/sdk/tests/conformance/rendering/point-size.html

Issue 10399113: Roll webgl conformance tests to r17874: part 2, adding r17874 (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/

Patch Set: Created 8 years, 7 months ago

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Index: third_party/webgl/sdk/tests/conformance/rendering/point-size.html

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

--- third_party/webgl/sdk/tests/conformance/rendering/point-size.html (revision 0)

+++ third_party/webgl/sdk/tests/conformance/rendering/point-size.html (revision 0)

@@ -0,0 +1,148 @@

+<!--

+/*

+**

+** 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.

+*/

+-->

+<!DOCTYPE html>

+<html>

+<head>

+<meta charset="utf-8">

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

+<script src="../../resources/js-test-pre.js"></script>

+<script src="../resources/webgl-test.js"></script>

+<script id="vshader" type="x-shader/x-vertex">

+ attribute vec3 pos;

+ attribute vec4 colorIn;

+ uniform float pointSize;

+ varying vec4 color;

+ void main()

+ {

+ gl_PointSize = pointSize;

+ color = colorIn;

+ gl_Position = vec4(pos, 1.0);

+ }

+</script>

+<script id="fshader" type="x-shader/x-fragment">

+ precision mediump float;

+ varying vec4 color;

+ void main()

+ {

+ gl_FragColor = color;

+ }

+</script>

+</head>

+<body>

+<canvas id="testbed" width="2px" height="2px"></canvas>

+<div id="description"></div>

+<div id="console"></div>

+<script>

+ description('Verify GL_VERTEX_PROGRAM_POINT_SIZE is enabled in WebGL');

+ var gl = initWebGL('testbed', { antialias: false });

+ shouldBeNonNull("gl");

+ var program = setupProgram(gl, 'vshader', 'fshader', ['pos', 'colorIn']);

+ shouldBe('gl.getError()', 'gl.NO_ERROR');

+ gl.disable(gl.BLEND);

+ gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);

+ // The choice of (0.4, 0.4) ensures that the centers of the surrounding

+ // pixels are not contained within the point when it is of size 1, but

+ // that they definitely are when it is of size 2.

+ var vertices = new Float32Array([

+ 0.4, 0.4, 0.0]);

+ var colors = new Uint8Array([

+ 255, 0, 0, 255]);

+ var colorOffset = vertices.byteLength;

+ var vbo = gl.createBuffer();

+ gl.bindBuffer(gl.ARRAY_BUFFER, vbo);

+ gl.bufferData(gl.ARRAY_BUFFER, colorOffset + colors.byteLength, gl.STATIC_DRAW);

+ gl.bufferSubData(gl.ARRAY_BUFFER, 0, vertices);

+ gl.bufferSubData(gl.ARRAY_BUFFER, colorOffset, colors);

+ gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0);

+ gl.enableVertexAttribArray(0);

+ gl.vertexAttribPointer(1, 4, gl.UNSIGNED_BYTE, true, 0, colorOffset);

+ gl.enableVertexAttribArray(1);

+ var locPointSize = gl.getUniformLocation(program, 'pointSize');

+ shouldBe('gl.getError()', 'gl.NO_ERROR');

+ debug('Draw a point of size 1 and verify it does not touch any other pixels.');

+ gl.uniform1f(locPointSize, 1.0);

+ gl.drawArrays(gl.POINTS, 0, vertices.length / 3);

+ var buf = new Uint8Array(2 * 2 * 4);

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

+ shouldBe('gl.getError()', 'gl.NO_ERROR');

+ var index = 0;

+ var correctColor;

+ for (var y = 0; y < 2; ++y) {

+ for (var x = 0; x < 2; ++x) {

+ correctColor = [0, 0, 0];

+ if (x == 1 && y == 1)

+ shouldBe('buf[index]', '255');

+ else

+ shouldBe('buf[index]', '0');

+ shouldBe('buf[index + 1]', '0');

+ shouldBe('buf[index + 2]', '0');

+ index += 4;

+ }

+ gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);

+ debug('Draw a point of size 2 and verify it fills the appropriate region.');

+ var pointSizeRange = gl.getParameter(gl.ALIASED_POINT_SIZE_RANGE);

+ if (pointSizeRange[1] >= 2.0) {

+ gl.uniform1f(locPointSize, 2.0);

+ gl.drawArrays(gl.POINTS, 0, vertices.length / 3);

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

+ shouldBe('gl.getError()', 'gl.NO_ERROR');

+ index = 0;

+ for (var y = 0; y < 2; ++y) {

+ for (var x = 0; x < 2; ++x) {

+ shouldBe('buf[index]', '255');

+ shouldBe('buf[index + 1]', '0');

+ shouldBe('buf[index + 2]', '0');

+ index += 4;

+ }

+ successfullyParsed = true;

+</script>

+<script src="../../resources/js-test-post.js"></script>

+</body>

+</html>

Property changes on: third_party/webgl/sdk/tests/conformance/rendering/point-size.html

___________________________________________________________________

Added: svn:eol-style

+ LF