mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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141 lines
3.9 KiB
HTML
141 lines
3.9 KiB
HTML
<!--
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Copyright (c) 2009 The Chromium Authors. All rights reserved.
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Use of this source code is governed by a BSD-style license that can be
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found in the LICENSE file.
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-->
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
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"http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<title>WebGL ActiveTexture BindTexture conformance test.</title>
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<link rel="stylesheet" href="../resources/js-test-style.css"/>
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<script src="../resources/js-test-pre.js"></script>
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<script src="resources/webgl-test.js"> </script>
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<script src="resources/webgl-test-utils.js"></script>
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</head>
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<body>
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<canvas id="example" width="2" height="2" style="width: 40px; height: 40px;"></canvas>
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<canvas id="canvas2d" width="1" height="1" style="width: 40px; height: 40px;"></canvas>
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<div id="description"></div>
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<div id="console"></div>
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<script id="vshader" type="x-shader/x-vertex">
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uniform mat4 world;
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attribute vec3 vPosition;
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attribute vec2 texCoord0;
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varying vec2 texCoord;
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void main()
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{
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gl_Position = world * vec4(vPosition, 1);
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texCoord = texCoord0;
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}
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</script>
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<script>
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var gl;
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function init()
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{
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if (window.initNonKhronosFramework) {
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window.initNonKhronosFramework(false);
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}
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debug("Tests that glActiveTexture and glBindTexture work as expected");
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debug("Specifically texture targets are per active texture unit.");
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debug("");
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var canvas2d = document.getElementById("canvas2d");
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var ctx2d = canvas2d.getContext("2d");
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var wtu = WebGLTestUtils;
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var canvas = document.getElementById("example");
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gl = wtu.create3DContext(canvas);
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var program = wtu.setupProgram(
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gl,
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[wtu.loadShaderFromScript(gl, "vshader"),
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wtu.setupSimpleTextureFragmentShader(gl)],
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['vPosition', 'texCoord0']);
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wtu.setupUnitQuad(gl);
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gl.disable(gl.DEPTH_TEST);
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gl.disable(gl.BLEND);
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glErrorShouldBe(gl, gl.NO_ERROR);
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var colors = [
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[0,192,128,255],
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[128,64,255,255],
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[192,255,64,255],
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[200,0,255,255]];
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// Make 4 textures by using 4 active texture units if available.
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var texunits = Math.min(colors.length, gl.getParameter(gl.MAX_COMBINED_TEXTURE_IMAGE_UNITS))
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var textures = [];
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for (var ii = 0; ii < texunits; ++ii) {
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var tex = gl.createTexture();
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gl.activeTexture(gl.TEXTURE0 + ii);
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gl.bindTexture(gl.TEXTURE_2D, tex);
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textures[ii] = tex;
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}
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glErrorShouldBe(gl, gl.NO_ERROR);
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// now use each texture unit to write into the textures,
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for (var ii = 0; ii < texunits; ++ii) {
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var c = colors[ii];
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ctx2d.fillStyle =
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"rgba(" + c[0] + "," + c[1] + "," + c[2] + "," + c[3] + ")";
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ctx2d.fillRect(0, 0, 1, 1);
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gl.activeTexture(gl.TEXTURE0 + ii);
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gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, canvas2d);
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}
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glErrorShouldBe(gl, gl.NO_ERROR);
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var textureLoc = gl.getUniformLocation(program, "tex");
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var worldLoc = gl.getUniformLocation(program, "world");
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glErrorShouldBe(gl, gl.NO_ERROR);
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gl.clearColor(1,0,0,1);
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gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
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for (var ii = 0; ii < texunits; ++ii) {
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var x = ii % 2;
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var y = Math.floor(ii / 2);
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gl.uniform1i(textureLoc, ii);
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gl.uniformMatrix4fv(
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worldLoc, false,
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[0.5, 0, 0, 0,
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0, 0.5, 0, 0,
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0, 0, 1, 0,
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-0.5 + x, -0.5 + y, 0, 1]);
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gl.drawArrays(gl.TRIANGLES, 0, 6);
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}
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glErrorShouldBe(gl, gl.NO_ERROR);
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for (var ii = 0; ii < texunits; ++ii) {
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var c = colors[ii];
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var x = ii % 2;
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var y = Math.floor(ii / 2);
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var buf = new Uint8Array(4);
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gl.readPixels(x, y, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, buf);
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var msg = 'expected:' +
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c[0] + ', ' + c[1] + ', ' + c[2] + ', ' + c[3] + ' found: ' +
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buf[0] + ', ' +
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buf[1] + ', ' +
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buf[2] + ', ' +
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buf[3];
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if (buf[0] != c[0] ||
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buf[1] != c[1] ||
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buf[2] != c[2] ||
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buf[3] != c[3])
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testFailed(msg);
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else
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testPassed(msg);
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}
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}
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init();
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successfullyParsed = true;
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</script>
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<script src="../resources/js-test-post.js"></script>
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</body>
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</html>
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