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| /* |
| ** 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, |
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| ** The above copyright notice and this permission notice shall be included |
| ** in all copies or substantial portions of the Materials. |
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| ** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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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 uniform values are per program conformance test.</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> |
| <script id="vshader" type="x-shader/x-vertex"> |
| attribute vec4 a_position; |
| void main() { |
| gl_Position = a_position; |
| } |
| </script> |
| <script id="fshader" type="x-shader/x-fragment"> |
| precision mediump float; |
| varying vec4 v_color; |
| void main() { |
| gl_FragColor = v_color; |
| } |
| </script> |
| <script id="vshaderTest" type="x-shader/x-vertex"> |
| attribute vec4 a_position; |
| uniform $(type) $(name1); |
| uniform $(type) $(name2); |
| uniform bool u_select; |
| varying vec4 v_color; |
| void main() { |
| $(type) value = u_select ? $(name2) : $(name1); |
| v_color = $(conversion); |
| gl_Position = a_position; |
| } |
| </script> |
| <script id="fshaderTest" type="x-shader/x-fragment"> |
| precision mediump float; |
| uniform $(type) $(name1); |
| uniform $(type) $(name2); |
| uniform bool u_select; |
| void main() { |
| $(type) value = u_select ? $(name2) : $(name1); |
| gl_FragColor = $(conversion); |
| } |
| </script> |
| <canvas id="example" width="2" height="2" style="width: 40px; height: 40px;"></canvas> |
| <div id="description"></div> |
| <div id="console"></div> |
| <script> |
| "use strict"; |
| function init() { |
| description(); |
| |
| var console = document.getElementById("console"); |
| var wtu = WebGLTestUtils; |
| var gl = wtu.create3DContext("example"); |
| wtu.setupUnitQuad(gl); |
| var vtemplate = wtu.getScript("vshader"); |
| var ftemplate = wtu.getScript("fshader"); |
| var vtemplateTest = wtu.getScript("vshaderTest"); |
| var ftemplateTest = wtu.getScript("fshaderTest"); |
| |
| var shaders = [ |
| [vtemplate, ftemplateTest], |
| [vtemplateTest, ftemplate], |
| ]; |
| |
| var names = [ |
| ["u_value1", "u_value2"], |
| ["a", "b"], |
| ["x", "y"], |
| ["y", "z"], |
| ["y", "u"], |
| ["a00000", "a00001"], |
| ]; |
| var testList = [ |
| { type: "float", |
| conversion: "vec4(value, 0, 0, 0)", |
| values: [[64], [128]], |
| func: 'uniform1fv', |
| }, |
| { type: "vec2", |
| conversion: "vec4(value, 0, 0)", |
| values: [[64, 128], [128, 64]], |
| func: 'uniform2fv', |
| }, |
| { type: "vec3", |
| conversion: "vec4(value, 0)", |
| values: [[64, 128, 192], [192, 128, 64]], |
| func: 'uniform3fv', |
| }, |
| { type: "vec4", |
| conversion: "vec4(value)", |
| values: [[64, 128, 192, 255], [255, 192, 128, 64]], |
| func: 'uniform4fv', |
| }, |
| ]; |
| |
| var clone = function(obj) { |
| var n = { }; |
| for (var $key in obj) { |
| n[$key] = obj[$key]; |
| } |
| return n; |
| }; |
| |
| var tests = []; |
| names.forEach(function(namePair) { |
| testList.forEach(function(test) { |
| var t = clone(test); |
| t.name1 = namePair[0]; |
| t.name2 = namePair[1]; |
| tests.push(t); |
| }); |
| }); |
| |
| var runTest = function(test) { |
| debug(""); |
| debug("testing: " + test.type); |
| shaders.forEach(function(shaderPair) { |
| var progs = []; |
| for (var ii = 0; ii < 2; ++ii) { |
| var vsource = wtu.replaceParams(shaderPair[0], test); |
| var fsource = wtu.replaceParams(shaderPair[1], test); |
| if (!ii) { |
| wtu.addShaderSource(console, "vertex shader: type = " + test.type + " with names " + test.name1 + ", " + test.name2, vsource); |
| wtu.addShaderSource(console, "fragment shader: type = " + test.type + " with names " + test.name1 + ", " + test.name2, fsource); |
| } |
| var program = wtu.setupProgram(gl, [vsource, fsource], ["a_position"]); |
| var info = { |
| program: program, |
| valueLocs: [gl.getUniformLocation(program, test.name1), |
| gl.getUniformLocation(program, test.name2)], |
| selectLoc: gl.getUniformLocation(program, "u_select"), |
| }; |
| var v1 = test.values[0]; |
| var v2 = test.values[1]; |
| if (ii) { |
| var t = v1; |
| v1 = v2; |
| v2 = t; |
| } |
| info.expect = [v1, v2]; |
| for (var jj = 0; jj < 2; ++jj) { |
| var input = info.expect[jj].map(function(v) { return v / 255; }); |
| gl[test.func](info.valueLocs[jj], input); |
| } |
| progs.push(info); |
| } |
| for (var ii = 0; ii < 2; ++ii) { |
| progs.forEach(function(info) { |
| gl.useProgram(info.program); |
| gl.uniform1i(info.selectLoc, ii); |
| wtu.clearAndDrawUnitQuad(gl); |
| wtu.checkCanvas(gl, info.expect[ii], undefined, 1); |
| }); |
| } |
| progs.forEach(function(info) { |
| gl.deleteProgram(info.program); |
| }); |
| }); |
| } |
| tests.forEach(function(test){ |
| runTest(test); |
| }); |
| } |
| init(); |
| var successfullyParsed = true; |
| </script> |
| <script src="../../js/js-test-post.js"></script> |
| </body> |
| </html> |
| |