| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="../../../resources/js-test.js"></script> |
| <script src="resources/webgl-test.js"></script> |
| </head> |
| <body> |
| <canvas id="c" width="40" height="40"></canvas> |
| <script> |
| description("Checks for proper getActiveUniforms() behavior on a simple WebGL 2 program."); |
| |
| if (window.internals) |
| internals.settings.setWebGL2Enabled(true); |
| |
| var canvas = document.getElementById("c"); |
| var gl = canvas.getContext("webgl2"); |
| shouldBe("gl.getError()", "gl.NO_ERROR"); |
| |
| var program = loadStandardProgram(gl); |
| var mvpLocation = gl.getUniformLocation(program, "u_modelViewProjMatrix"); |
| |
| shouldBe("gl.getActiveUniforms(program, [mvpLocation], gl.UNIFORM_TYPE)", "[gl.FLOAT_MAT4]"); |
| shouldBe("gl.getActiveUniforms(program, [mvpLocation], gl.UNIFORM_SIZE)", "[1]"); |
| shouldBe("gl.getActiveUniforms(program, [mvpLocation], gl.UNIFORM_BLOCK_INDEX)", "[-1]"); |
| shouldBe("gl.getActiveUniforms(program, [mvpLocation], gl.UNIFORM_OFFSET)", "[-1]"); |
| shouldBe("gl.getActiveUniforms(program, [mvpLocation], gl.UNIFORM_ARRAY_STRIDE)", "[-1]"); |
| shouldBe("gl.getActiveUniforms(program, [mvpLocation], gl.UNIFORM_MATRIX_STRIDE)", "[-1]"); |
| shouldBe("gl.getActiveUniforms(program, [mvpLocation], gl.UNIFORM_IS_ROW_MAJOR)", "[0]"); |
| shouldBe("gl.getError()", "gl.NO_ERROR"); |
| |
| // Invalid parameter for getActiveUniforms() in WebGL2. |
| shouldBe("gl.getActiveUniforms(program, [mvpLocation], gl.UNIFORM_NAME_LENGTH)", "null"); |
| shouldBe("gl.getError()", "gl.INVALID_ENUM"); |
| </script> |
| </body> |
| </html> |
