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74 lines
1.5 KiB
HTML
74 lines
1.5 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<meta charset='utf-8'/>
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<script src='/tests/SimpleTest/SimpleTest.js'></script>
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<link rel='stylesheet' href='/tests/SimpleTest/test.css'>
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<script src='webgl-util.js'></script>
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</head>
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<body>
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<script id='vs' type='x-shader/x-vertex'>
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attribute vec2 aVertCoord;
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void main(void) {
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gl_Position = vec4(aVertCoord, 0.0, 1.0);
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}
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</script>
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<script id='fs' type='x-shader/x-fragment'>
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precision mediump float;
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uniform sampler2D uTexUnit;
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void main(void) {
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vec4 tex = texture2D(uTexUnit, vec2(0));
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gl_FragColor = vec4(tex.r, 1.0, 0.0, 1.0);
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}
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</script>
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<script>
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'use strict';
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var gl = null;
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do {
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var c = document.createElement('canvas');
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gl = c.getContext('webgl');
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if (!gl) {
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todo(false, 'Get GL working here first.');
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break;
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}
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var ext = gl.getExtension('WEBGL_depth_texture');
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if (!ext) {
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todo(false, 'WEBGL_depth_texture not supported, which is fine.');
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break;
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}
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var prog = WebGLUtil.createProgramByIds(gl, 'vs', 'fs');
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if (!prog) {
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ok(false, 'Program linking should succeed.');
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break;
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}
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var tex = gl.createTexture();
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gl.bindTexture(gl.TEXTURE_2D, tex);
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gl.texImage2D(gl.TEXTURE_2D, 0, gl.DEPTH_COMPONENT, 1, 1, 0, gl.DEPTH_COMPONENT,
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gl.UNSIGNED_INT, null);
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var uTexUnit = gl.getUniformLocation(prog, 'uTexUnit');
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gl.useProgram(prog);
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gl.uniform1i(uTexUnit, 0);
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gl.drawArrays(gl.POINTS, 0, 1);
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ok(!gl.getError(), 'Should have no errors.');
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} while (false);
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ok(true, 'Test complete.');
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</script>
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</body>
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</html>
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