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| |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>WebGL uniform struct Conformance Test</title> |
| <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 src="../resources/webgl-test-utils.js"></script> |
| </head> |
| <body> |
| <div id="description"></div> |
| <div id="console"></div> |
| <canvas id="example" width="2" height="2"> </canvas> |
| |
| <script id="vshader" type="x-shader/x-vertex"> |
| attribute vec4 vPosition; |
| uniform vec4 u0; |
| struct MyStruct { |
| vec4 var1; |
| vec4 var2; |
| vec4 var3; |
| vec4 var4; |
| }; |
| uniform MyStruct u1; |
| uniform vec4 u2; |
| varying vec4 v_color; |
| void main() |
| { |
| gl_Position = vPosition; |
| v_color = (u0 + u2 + u1.var1) - vec4(2.0); |
| } |
| </script> |
| |
| <script id="fshader" type="x-shader/x-fragment"> |
| precision mediump float; |
| varying vec4 v_color; |
| void main() |
| { |
| gl_FragColor = v_color; |
| } |
| </script> |
| |
| <script> |
| "use strict"; |
| description("This test ensures WebGL implementations handle unused members at the end of structs correctly."); |
| |
| var wtu = WebGLTestUtils; |
| var gl = wtu.create3DContext(); |
| var c = document.getElementById("console"); |
| program = wtu.setupProgram(gl, ["vshader", "fshader"], [ "vPosition"]); |
| |
| wtu.setupUnitQuad(gl, [0, 1]); |
| var white = [1.0, 1.0, 1.0, 1.0]; |
| var black = [0.0, 0.0, 0.0, 0.0]; |
| gl.uniform4fv(gl.getUniformLocation(program, "u0"), white); |
| gl.uniform4fv(gl.getUniformLocation(program, "u1.var1"), white); |
| gl.uniform4fv(gl.getUniformLocation(program, "u1.var2"), black); |
| gl.uniform4fv(gl.getUniformLocation(program, "u1.var3"), black); |
| gl.uniform4fv(gl.getUniformLocation(program, "u1.var4"), black); |
| gl.uniform4fv(gl.getUniformLocation(program, "u2"), white); |
| wtu.clearAndDrawUnitQuad(gl); |
| wtu.checkCanvas(gl, [255, 255, 255, 255], "should be white", 0); |
| gl.uniform4fv(gl.getUniformLocation(program, "u1.var2"), black); |
| gl.uniform4fv(gl.getUniformLocation(program, "u1.var3"), black); |
| gl.uniform4fv(gl.getUniformLocation(program, "u1.var4"), black); |
| wtu.clearAndDrawUnitQuad(gl, [0, 0, 0, 0]); |
| wtu.checkCanvas(gl, [255, 255, 255, 255], "should still be white", 0); |
| |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no GL errors"); |
| debug(""); |
| var successfullyParsed = true; |
| |
| </script> |
| <script src="../../resources/js-test-post.js"></script> |
| |
| </body> |
| </html> |
