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<!--
/*
** Copyright (c) 2015-2016 The Khronos Group Inc.
**
** Permission is hereby granted, free of charge, to any person obtaining a
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**
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** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
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-->
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>WebGL WEBGL_compressed_texture_etc Conformance Tests</title>
<LINK rel="stylesheet" href="../../resources/js-test-style.css"/>
<script src="../../js/js-test-pre.js"></script>
<script src="../../js/webgl-test-utils.js"></script>
</head>
<body>
<div id="description"></div>
<div id="console"></div>
<script>
"use strict";
description("This test verifies the functionality of the WEBGL_compressed_texture_etc extension, if it is available.");
debug("");
var COMPRESSED_RGB_S3TC_DXT1_EXT = 0x83F0;
var COMPRESSED_RGBA_S3TC_DXT1_EXT = 0x83F1;
var COMPRESSED_RGBA_S3TC_DXT3_EXT = 0x83F2;
var COMPRESSED_RGBA_S3TC_DXT5_EXT = 0x83F3;
var COMPRESSED_RGB_PVRTC_4BPPV1_IMG = 0x8C00;
var COMPRESSED_RGBA_PVRTC_4BPPV1_IMG = 0x8C02;
var ETC1_RGB8_OES = 0x8D64;
var COMPRESSED_R11_EAC = 0x9270;
var COMPRESSED_SIGNED_R11_EAC = 0x9271;
var COMPRESSED_RG11_EAC = 0x9272;
var COMPRESSED_SIGNED_RG11_EAC = 0x9273;
var COMPRESSED_RGB8_ETC2 = 0x9274;
var COMPRESSED_SRGB8_ETC2 = 0x9275;
var COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 = 0x9276;
var COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 = 0x9277;
var COMPRESSED_RGBA8_ETC2_EAC = 0x9278;
var COMPRESSED_SRGB8_ALPHA8_ETC2_EAC = 0x9279;
var wtu = WebGLTestUtils;
var gl = wtu.create3DContext(undefined, undefined);
var WEBGL_compressed_texture_etc;
var formats = null;
function runTest() {
if (!gl) {
testFailed("context does not exist");
} else {
testPassed("context exists");
var tex = gl.createTexture();
gl.bindTexture(gl.TEXTURE_2D, tex);
var haveExt = gl.getSupportedExtensions().indexOf("WEBGL_compressed_texture_etc") >= 0;
WEBGL_compressed_texture_etc = gl.getExtension("WEBGL_compressed_texture_etc");
var isPositive = true;
if (haveExt) {
if (WEBGL_compressed_texture_etc !== null) {
testPassed("WEBGL_compressed_texture_etc listed as supported and getExtension succeeded");
} else {
testFailed("WEBGL_compressed_texture_etc listed as supported but getExtension failed");
return;
}
} else {
if (WEBGL_compressed_texture_etc !== null) {
testFailed("WEBGL_compressed_texture_etc listed as supported but getExtension failed");
return;
} else {
testPassed("No WEBGL_compressed_texture_etc support -- this is legal");
isPositive = false;
}
}
if (isPositive) {
shouldBe("WEBGL_compressed_texture_etc.COMPRESSED_R11_EAC", "0x9270");
shouldBe("WEBGL_compressed_texture_etc.COMPRESSED_SIGNED_R11_EAC", "0x9271");
shouldBe("WEBGL_compressed_texture_etc.COMPRESSED_RG11_EAC", "0x9272");
shouldBe("WEBGL_compressed_texture_etc.COMPRESSED_SIGNED_RG11_EAC", "0x9273");
shouldBe("WEBGL_compressed_texture_etc.COMPRESSED_RGB8_ETC2", "0x9274");
shouldBe("WEBGL_compressed_texture_etc.COMPRESSED_SRGB8_ETC2", "0x9275");
shouldBe("WEBGL_compressed_texture_etc.COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2", "0x9276");
shouldBe("WEBGL_compressed_texture_etc.COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2", "0x9277");
shouldBe("WEBGL_compressed_texture_etc.COMPRESSED_RGBA8_ETC2_EAC", "0x9278");
shouldBe("WEBGL_compressed_texture_etc.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC", "0x9279");
}
wtu.shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.compressedTexImage2D(gl.TEXTURE_2D, 0, COMPRESSED_RGB_S3TC_DXT1_EXT, 4, 4, 0, new Uint8Array(8))");
wtu.shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.compressedTexImage2D(gl.TEXTURE_2D, 0, COMPRESSED_RGBA_S3TC_DXT1_EXT, 4, 4, 0, new Uint8Array(8))");
wtu.shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.compressedTexImage2D(gl.TEXTURE_2D, 0, COMPRESSED_RGBA_S3TC_DXT5_EXT, 4, 4, 0, new Uint8Array(16))");
wtu.shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.compressedTexImage2D(gl.TEXTURE_2D, 0, ETC1_RGB8_OES, 4, 4, 0, new Uint8Array(8))");
wtu.shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.compressedTexImage2D(gl.TEXTURE_2D, 0, COMPRESSED_RGB_PVRTC_4BPPV1_IMG, 8, 8, 0, new Uint8Array(8))");
wtu.shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.compressedTexImage2D(gl.TEXTURE_2D, 0, COMPRESSED_RGBA_PVRTC_4BPPV1_IMG, 8, 8, 0, new Uint8Array(8))");
wtu.shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.compressedTexImage2D(gl.TEXTURE_3D, 0, COMPRESSED_R11_EAC, 4, 4, 0, new Uint8Array(8))");
wtu.shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.compressedTexSubImage2D(gl.TEXTURE_3D, 0, 0, 0, 4, 4, COMPRESSED_R11_EAC, new Uint8Array(8))");
var expected = isPositive ? gl.NO_ERROR : gl.INVALID_ENUM;
var expectedSub = isPositive ? gl.NO_ERROR : [gl.INVALID_ENUM, gl.INVALID_OPERATION];
wtu.shouldGenerateGLError(gl, expected, "gl.compressedTexImage2D(gl.TEXTURE_2D, 0, COMPRESSED_R11_EAC, 4, 4, 0, new Uint8Array(8))");
wtu.shouldGenerateGLError(gl, expectedSub, "gl.compressedTexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, 4, 4, COMPRESSED_R11_EAC, new Uint8Array(8))");
wtu.shouldGenerateGLError(gl, expected, "gl.compressedTexImage2D(gl.TEXTURE_2D, 0, COMPRESSED_SIGNED_R11_EAC, 4, 4, 0, new Uint8Array(8))");
wtu.shouldGenerateGLError(gl, expected, "gl.compressedTexImage2D(gl.TEXTURE_2D, 0, COMPRESSED_RG11_EAC, 4, 4, 0, new Uint8Array(16))");
wtu.shouldGenerateGLError(gl, expected, "gl.compressedTexImage2D(gl.TEXTURE_2D, 0, COMPRESSED_SIGNED_RG11_EAC, 4, 4, 0, new Uint8Array(16))");
wtu.shouldGenerateGLError(gl, expected, "gl.compressedTexImage2D(gl.TEXTURE_2D, 0, COMPRESSED_RGB8_ETC2, 4, 4, 0, new Uint8Array(8))");
wtu.shouldGenerateGLError(gl, expected, "gl.compressedTexImage2D(gl.TEXTURE_2D, 0, COMPRESSED_SRGB8_ETC2, 4, 4, 0, new Uint8Array(8))");
wtu.shouldGenerateGLError(gl, expected, "gl.compressedTexImage2D(gl.TEXTURE_2D, 0, COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, 4, 4, 0, new Uint8Array(8))");
wtu.shouldGenerateGLError(gl, expected, "gl.compressedTexImage2D(gl.TEXTURE_2D, 0, COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, 4, 4, 0, new Uint8Array(8))");
wtu.shouldGenerateGLError(gl, expected, "gl.compressedTexImage2D(gl.TEXTURE_2D, 0, COMPRESSED_RGBA8_ETC2_EAC, 4, 4, 0, new Uint8Array(16))");
wtu.shouldGenerateGLError(gl, expected, "gl.compressedTexImage2D(gl.TEXTURE_2D, 0, COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, 4, 4, 0, new Uint8Array(16))");
wtu.shouldGenerateGLError(gl, gl.NO_ERROR, "formats = gl.getParameter(gl.COMPRESSED_TEXTURE_FORMATS)");
shouldBeNonNull("formats");
shouldBe("formats.length", isPositive ? "10" : "0");
debug("");
shouldThrow("gl.compressedTexImage2D(gl.TEXTURE_2D, 0, COMPRESSED_R11_EAC, 4, 4, 0, null)");
shouldThrow("gl.compressedTexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, 0, 0, COMPRESSED_R11_EAC, null)");
shouldThrow("gl.compressedTexImage3D(gl.TEXTURE_2D_ARRAY, 0, COMPRESSED_R11_EAC, 4, 4, 4, 0, null)");
shouldThrow("gl.compressedTexSubImage3D(gl.TEXTURE_2D_ARRAY, 0, 0, 0, 0, 0, 0, 0, COMPRESSED_R11_EAC, null)");
}
}
runTest();
var successfullyParsed = true;
</script>
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</body>
</html>
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