dom/canvas/test/webgl-conf/checkout/conformance/extensions/ext-float-blend.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4 <meta charset="utf-8">
   5 <title>WebGL EXT_float_blend Conformance Tests</title>
   6 <link rel="stylesheet" href="../../resources/js-test-style.css"/>
   7 <script src="../../js/js-test-pre.js"></script>
   8 <script src="../../js/webgl-test-utils.js"></script>
   9 <script src="../../js/tests/ext-float-blend.js"></script>
  10 </head>
  11 <body>
  12 <div id="description"></div>
  13 <div id="console"></div>
  14 <script>
  15 "use strict";
  16 description("This test verifies the functionality of the EXT_float_blend extension, if it is available.");
  17
  18 var wtu = WebGLTestUtils;
  19 var canvas = document.getElementById("canvas");
  20 var gl = wtu.create3DContext(canvas);
  21 var ext = null;
  22
  23 function extFloatBlendTests(version, config) {
  24     debug("");
  25     debug("Testing float32 blending without EXT_float_blend");
  26     testExtFloatBlend(config.internalFormat);
  27     testExtFloatBlendMRT(version, config.drawBuffers);
  28     testExtFloatBlendNonFloat32Type(version, config.oesTextureHalfFloat);
  29
  30     const floatBlend = gl.getExtension("EXT_float_blend");
  31     if (!floatBlend) {
  32         testPassed("EXT_float_blend is allowed to be missing.");
  33         return;
  34     }
  35
  36     debug("");
  37     debug("Testing that float32 blending is allowed with EXT_float_blend");
  38     testExtFloatBlend(config.internalFormat);
  39     testExtFloatBlendMRT(version, config.drawBuffers);
  40     testExtFloatBlendNonFloat32Type(version, config.oesTextureHalfFloat);
  41 }
  42
  43 (function(){
  44     if (wtu.getDefault3DContextVersion() < 2) {
  45         const oesTextureFloat = gl.getExtension("OES_texture_float");
  46         if (!oesTextureFloat) {
  47             testPassed("OES_texture_float is allowed to be missing.");
  48             return;
  49         }
  50
  51         const colorBufferFloat = gl.getExtension("WEBGL_color_buffer_float");
  52         if (!colorBufferFloat) {
  53             testPassed("WEBGL_color_buffer_float is allowed to be missing.");
  54             return;
  55         }
  56
  57         const drawBuffers = gl.getExtension("WEBGL_draw_buffers");
  58         if (!drawBuffers) {
  59             debug("WEBGL_draw_buffers is allowed to be missing. MRT tests will be skipped.");
  60         }
  61
  62         const oesTextureHalfFloat = gl.getExtension("OES_texture_half_float");
  63         const extColorBufferHalfFloat = gl.getExtension("EXT_color_buffer_half_float");
  64         const testHalfFloat = !(!oesTextureHalfFloat || !extColorBufferHalfFloat);
  65         if (!testHalfFloat) {
  66             debug("OES_texture_half_float or EXT_color_buffer_half_float is allowed to be missing. NonFloat32Type tests will be skipped.");
  67         }
  68
  69         const internalFormat = gl.RGBA;
  70         extFloatBlendTests(1, {
  71             internalFormat, drawBuffers, oesTextureHalfFloat
  72         });
  73     } else {
  74         const colorBufferFloat = gl.getExtension("EXT_color_buffer_float");
  75         if (!colorBufferFloat) {
  76             testPassed("EXT_color_buffer_float is allowed to be missing.");
  77             return;
  78         }
  79
  80         const internalFormat = gl.RGBA32F;
  81         extFloatBlendTests(2, {
  82             internalFormat
  83         });
  84     }
  85 })();
  86
  87 debug("");
  88 var successfullyParsed = true;
  89 </script>
  90 <script src="../../js/js-test-post.js"></script>
  91
  92 </body>
  93 </html>
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  95 Copyright (c) 2019 The Khronos Group Inc.
  96 Use of this source code is governed by an MIT-style license that can be
  97 found in the LICENSE.txt file.
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