| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>WebGL test checking that unused uniforms are null</title> |
| <link rel="stylesheet" href="resources/webgl_test_files/resources/js-test-style.css"/> |
| <script src="resources/webgl_test_files/js/js-test-pre.js"></script> |
| <script src="resources/webgl_test_files/js/webgl-test-utils.js"></script> |
| </head> |
| <body> |
| <canvas id="canvas" width="256" height="256"> </canvas> |
| <div id="description"></div> |
| <div id="console"></div> |
| <script> |
| "use strict"; |
| description("Unused uniform locations should return null, uniform block variables should not have location"); |
| var wtu = WebGLTestUtils; |
| var vs = `#version 300 es |
| precision highp float; |
| in vec4 vPosition; |
| uniform vec4 u0; |
| uniform vec4 u1[2]; |
| uniform U { |
| vec4 u2; |
| vec4 u3[2]; |
| vec4 u4[3]; |
| }; |
| uniform vec4 u5[3]; |
| void main() { |
| gl_Position = vPosition + u4[1] + u5[1]; |
| }`; |
| var fs = `#version 300 es |
| precision highp float; |
| uniform vec4 c; |
| out vec4 color; |
| void main() { |
| color = c; |
| }`; |
| var gl; |
| var program; |
| function test() { |
| var canvas = document.getElementById("canvas"); |
| gl = wtu.create3DContext(canvas, undefined, 2); |
| if (!gl) { |
| testFailed("no context"); |
| finishTest(); |
| return; |
| } |
| |
| program = wtu.setupProgram(gl, [vs, fs], ["vPosition"]); |
| if (!program) { |
| testFailed("Failed to create program"); |
| finishTest(); |
| return; |
| } |
| shouldBeNonNull('gl.getUniformLocation(program, "c")'); |
| shouldBeNull('gl.getUniformLocation(program, "u0")'); |
| shouldBeNull('gl.getUniformLocation(program, "u1")'); |
| shouldBeNull('gl.getUniformLocation(program, "u1[0]")'); |
| shouldBeNull('gl.getUniformLocation(program, "u2")'); |
| shouldBeNull('gl.getUniformLocation(program, "u3[0]")'); |
| shouldBeNull('gl.getUniformLocation(program, "u3[1]")'); |
| shouldBeNull('gl.getUniformLocation(program, "u4[0]")'); |
| shouldBeNull('gl.getUniformLocation(program, "u4[1]")'); |
| shouldBeNull('gl.getUniformLocation(program, "u4[2]")'); |
| shouldBeNonNull('gl.getUniformLocation(program, "u5[0]")'); |
| shouldBeNonNull('gl.getUniformLocation(program, "u5[1]")'); |
| shouldBe('gl.getProgramParameter(program, gl.ACTIVE_UNIFORMS)', '5'); |
| shouldBe('gl.getActiveUniform(program, 0).name', '"u5[0]"'); |
| shouldBe('gl.getActiveUniform(program, 1).name', '"c"'); |
| shouldBe('gl.getActiveUniform(program, 2).name', '"u2"'); |
| shouldBe('gl.getActiveUniform(program, 3).name', '"u3[0]"'); |
| shouldBe('gl.getActiveUniform(program, 4).name', '"u4[0]"'); |
| finishTest(); |
| }; |
| test(); |
| var successfullyParsed = true; |
| </script> |
| </body> |
| </html> |
