| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>WebGL sampler uniforms conformance test.</title> |
| <script src="../../../resources/js-test.js"></script> |
| <script src="resources/webgl-test.js"> </script> |
| <script src="resources/webgl-test-utils.js"></script> |
| </head> |
| <body> |
| <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( |
| "Tests that only Uniform1i and Uniform1iv can be used to set" + |
| "sampler uniforms."); |
| |
| if (window.internals) |
| window.internals.settings.setWebGLErrorsToConsoleEnabled(false); |
| |
| var canvas2d = document.getElementById("canvas2d"); |
| |
| var wtu = WebGLTestUtils; |
| var gl = wtu.create3DContext("example"); |
| var program = wtu.setupTexturedQuad(gl); |
| |
| var textureLoc = gl.getUniformLocation(program, "tex"); |
| var testInt32Array = new Int32Array(1); |
| |
| gl.uniform1i(textureLoc, 1); |
| glErrorShouldBe(gl, gl.NO_ERROR, |
| "uniform1i can set a sampler uniform"); |
| gl.uniform1iv(textureLoc, [1]); |
| glErrorShouldBe(gl, gl.NO_ERROR, |
| "uniform1iv can set a sampler uniform"); |
| gl.uniform1iv(textureLoc, testInt32Array); |
| glErrorShouldBe(gl, gl.NO_ERROR, |
| "uniform1iv can set a sampler uniform"); |
| gl.uniform1f(textureLoc, 1); |
| glErrorShouldBe(gl, gl.INVALID_OPERATION, |
| "uniform1f returns INVALID_OPERATION if attempting to set a sampler uniform"); |
| gl.uniform1fv(textureLoc, [1]); |
| glErrorShouldBe(gl, gl.INVALID_OPERATION, |
| "uniform1fv returns INVALID_OPERATION if attempting to set a sampler uniform"); |
| |
| var maxTextureUnits = gl.getParameter(gl.MAX_COMBINED_TEXTURE_IMAGE_UNITS); |
| |
| var success = true; |
| for (var ii = 0; ii < maxTextureUnits; ++ii) { |
| gl.uniform1i(textureLoc, ii); |
| success = success && (gl.getError() == gl.NO_ERROR); |
| } |
| expectTrue(success, "uniform1i works for any valid texture unit"); |
| |
| var success = true; |
| for (var ii = 0; ii < maxTextureUnits; ++ii) { |
| gl.uniform1iv(textureLoc, [ii]); |
| success = success && (gl.getError() == gl.NO_ERROR); |
| } |
| expectTrue(success, "uniform1iv works for any valid texture unit"); |
| |
| var success = true; |
| for (var ii = maxTextureUnits; ii < 0x10000; ++ii) { |
| gl.uniform1i(textureLoc, ii); |
| success = success && (gl.getError() == gl.INVALID_VALUE); |
| } |
| expectTrue(success, "uniform1i generates INVALID_VALUE for invalid texture units"); |
| |
| var success = true; |
| for (var ii = maxTextureUnits; ii < 0x10000; ++ii) { |
| gl.uniform1iv(textureLoc, [ii]); |
| success = success && (gl.getError() == gl.INVALID_VALUE); |
| } |
| expectTrue(success, "uniform1iv generates INVALID_VALUE for invalid texture units"); |
| |
| } |
| |
| init(); |
| </script> |
| </body> |
| </html> |
| |
