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Add conformance tests for TEXTURE_BASE_LEVEL and TEXTURE_MAX_LEVEL. #746

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Merged
toji merged 1 commit into from
Oct 10, 2014
Merged

Add conformance tests for TEXTURE_BASE_LEVEL and TEXTURE_MAX_LEVEL. #746

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1 change: 1 addition & 0 deletions sdk/tests/conformance2/core/00_test_list.txt
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Expand Up @@ -5,3 +5,4 @@ instanced-arrays.html
tex-new-formats.html
tex-storage-2d.html
vertex-array-object.html
tex-mipmap-levels.html
133 changes: 133 additions & 0 deletions sdk/tests/conformance2/core/tex-mipmap-levels.html
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<!--

/*
** Copyright (c) 2014 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.
*/

-->

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>WebGL2 Non-Power of 2 texture conformance test.</title>
<link rel="stylesheet" href="../../resources/js-test-style.css"/>
<script src="../../resources/js-test-pre.js"></script>
<script src="../../conformance/resources/webgl-test-utils.js"></script>
</head>
<body>
<canvas id="example" width="2" height="2" style="width: 2px; height: 2px;"></canvas>
<div id="description"></div>
<div id="console"></div>
<script id="vshader" type="x-shader/x-vertex">
uniform vec4 uMult;
attribute vec4 vPosition;
attribute vec2 texCoord0;
varying vec2 texCoord;
void main()
{
gl_Position = vPosition * uMult;
texCoord = texCoord0;
}
</script>

<script id="fshader" type="x-shader/x-fragment">
precision mediump float;
uniform sampler2D tex;
varying vec2 texCoord;
void main()
{
gl_FragColor = texture2D(tex, texCoord);
}
</script>
<script>
"use strict";
description(document.title);
var wtu = WebGLTestUtils;
var gl = wtu.create3DContext("example");

wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");

(function() {
debug("");
debug("test mipmap level ranges");
var tex = gl.createTexture();
wtu.setupUnitQuad(gl, 0, 1);
var program = wtu.setupProgram(
gl, ['vshader', 'fshader'], ['vPosition', 'texCoord0'], [0, 1]);

gl.disable(gl.DEPTH_TEST);
gl.disable(gl.BLEND);
gl.uniform1i(gl.getUniformLocation(program, "tex"), 0);

var multLoc = gl.getUniformLocation(program, "uMult");
gl.uniform4f(multLoc, 1, 1, 1, 1);

// Test that filling partial levels is enough for mipmapping.
gl.bindTexture(gl.TEXTURE_2D, tex);
wtu.fillTexture(gl, tex, 8, 8, [255, 0, 0, 255], 2, gl.RGBA, gl.UNSIGNED_BYTE);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "fillTexture(8,8,2) should succeed");
wtu.fillTexture(gl, tex, 4, 4, [0, 255, 0, 255], 3, gl.RGBA, gl.UNSIGNED_BYTE);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "fillTexture(4,4,3) should succeed");
wtu.fillTexture(gl, tex, 2, 2, [0, 0, 255, 255], 4, gl.RGBA, gl.UNSIGNED_BYTE);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "fillTexture(2,2,4) should succeed");
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_BASE_LEVEL, 2);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "texParameter(TEXTURE_BASE_LEVEL) should succeed");
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAX_LEVEL, 4);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "texParameter(TEXTURE_MAX_LEVEL) should succeed");
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "texParameter(TEXTURE_MAG_FILTER) should succeed");
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_LINEAR);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "texParameter(TEXTURE_MIN_FILTER) should succeed");
wtu.clearAndDrawUnitQuad(gl);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "clearAndDrawQuad should succeed");
wtu.checkCanvas(gl, [0, 0, 255, 255], "should draw with [0, 0, 255, 255]");

// Test that generateMipmap works with partial levels.
gl.generateMipmap(gl.TEXTURE_2D);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "generateMipmap should succeed");
wtu.clearAndDrawUnitQuad(gl);
wtu.checkCanvas(gl, [255, 0, 0, 255], "should draw with [255, 0, 0, 255]");

// Test incompleteless for partial levels.
var tex = gl.createTexture()
gl.bindTexture(gl.TEXTURE_2D, tex);
wtu.fillTexture(gl, tex, 8, 8, [255, 0, 0, 255], 2, gl.RGBA, gl.UNSIGNED_BYTE);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "fillTexture(8,8,2) should succeed");
wtu.fillTexture(gl, tex, 4, 4, [255, 0, 0, 255], 3, gl.RGBA, gl.UNSIGNED_BYTE);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "fillTexture(4,4,3) should succeed");
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_BASE_LEVEL, 2);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "texParameter(TEXTURE_BASE_LEVEL) should succeed");
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAX_LEVEL, 4);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "texParameter(TEXTURE_MAX_LEVEL) should succeed");
wtu.clearAndDrawUnitQuad(gl);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "clearAndDrawQuad should succeed");
wtu.checkCanvas(gl, [0, 0, 0, 255], "incomplete; should draw with [0, 0, 0, 255]");
})();

var successfullyParsed = true;

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

</body>
</html>