Index: third_party/webgl/sdk/tests/conformance/attribs/gl-vertex-attrib-render.html |
=================================================================== |
--- third_party/webgl/sdk/tests/conformance/attribs/gl-vertex-attrib-render.html (revision 0) |
+++ third_party/webgl/sdk/tests/conformance/attribs/gl-vertex-attrib-render.html (revision 0) |
@@ -0,0 +1,107 @@ |
+<!-- |
+ |
+/* |
+** Copyright (c) 2012 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"> |
+ <link rel="stylesheet" href="../../resources/js-test-style.css"/> |
+ <script src="../../resources/js-test-pre.js"></script> |
+ <script src="../resources/webgl-test.js"></script> |
+ <script id='vshader' type='x-shader'> |
+ attribute vec4 a; |
+ attribute vec2 p; |
+ void main() { |
+ gl_Position = vec4(p.x + a.x + a.y + a.z + a.w, p.y, 0.0, 1.0); |
+ } |
+ </script> |
+ <script id='fshader' type='x-shader'> |
+ precision mediump float; |
+ void main() { |
+ gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0); |
+ } |
+ </script> |
+ <script> |
+ function checkRedPortion(gl, w, low, high) { |
+ var buf = new Uint8Array(w * w * 4); |
+ gl.readPixels(0, 0, w, w, gl.RGBA, gl.UNSIGNED_BYTE, buf); |
+ var i = 0; |
+ for (; i < w; ++i) { |
+ if (buf[i * 4 + 0] != 255 || buf[i * 4 + 1] != 0 || buf[i * 4 + 2] != 0 || buf[i * 4 + 3] != 255) { |
+ break; |
+ } |
+ } |
+ return low <= i && i <= high; |
+ } |
+ |
+ function runTest() { |
+ var gl = initWebGL('testbed', { preserveDrawingBuffer : true }); |
+ if (!gl) { |
+ testFailed('initWebGL(..) failed'); |
+ return; |
+ } |
+ var program = setupProgram(gl, 'vshader', 'fshader', ['p', 'a']) |
+ |
+ gl.enableVertexAttribArray(gl.p); |
+ var pos = gl.createBuffer(); |
+ pos.type = gl.FLOAT; |
+ pos.size = 2; |
+ pos.num = 4; |
+ gl.bindBuffer(gl.ARRAY_BUFFER, pos); |
+ gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([-1, -1, 1, -1, -1, 1, 1, 1]), gl.STATIC_DRAW); |
+ |
+ gl.vertexAttribPointer(0, pos.size, pos.type, false, 0, 0); |
+ |
+ debug('Test vertexAttrib[1..4]fv by setting different combinations that add up to 1.5 and use that when rendering.'); |
+ var vals = [[0.5], [0.1,0.4], [0.2,-0.2,0.5], [-1.0,0.3,0.2,2.0]]; |
+ |
+ for (var j = 0; j < 4; ++j) { |
+ gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); |
+ gl['vertexAttrib' + (j+1) + 'fv'](1, vals[j]); |
+ gl.drawArrays(gl.TRIANGLE_STRIP, 0, pos.num); |
+ |
+ if (checkRedPortion(gl, 50, 50 * 0.7, 50 * 0.8)) { |
+ testPassed('Attribute of size ' + (j+1) + ' was set correctly'); |
+ } else { |
+ testFailed('Attribute of size ' + (j+1) + ' was not set correctly'); |
+ } |
+ } |
+ } |
+ </script> |
+ </head> |
+ <body> |
+ <canvas id="testbed" width="50" height="50"></canvas> |
+ <div id="description"></div> |
+ <div id="console"></div> |
+ <script> |
+ description('Verify that using constant attributes works.'); |
+ runTest(); |
+ successfullyParsed = true; |
+ </script> |
+ <script src="../../resources/js-test-post.js"></script> |
+ </body> |
+</html> |
Property changes on: third_party/webgl/sdk/tests/conformance/attribs/gl-vertex-attrib-render.html |
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Added: svn:eol-style |
+ LF |