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| |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>WebGL clear 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> |
| <canvas id="example" width="1" height="1" style="width: 256px; height: 48px;"></canvas> |
| <div id="description"></div><div id="console"></div> |
| <script> |
| "use strict"; |
| description("Test clear."); |
| var wtu = WebGLTestUtils; |
| var gl = wtu.create3DContext("example"); |
| var program = wtu.setupTexturedQuad(gl); |
| |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); |
| wtu.checkCanvas(gl, [0,0,0,0], "should be 0,0,0,0"); |
| |
| gl.clearColor(1,1,1,1); |
| gl.clear(gl.COLOR_BUFFER_BIT); |
| wtu.checkCanvas(gl, [255,255,255,255], "should be 255,255,255,255"); |
| |
| gl.clearColor(0,0,0,0); |
| gl.clear(gl.COLOR_BUFFER_BIT); |
| wtu.checkCanvas(gl, [0,0,0,0], "should be 0,0,0,0"); |
| |
| gl.colorMask(false, false, false, true); |
| gl.clearColor(1,1,1,1); |
| gl.clear(gl.COLOR_BUFFER_BIT); |
| wtu.checkCanvas(gl, [0,0,0,255], "should be 0,0,0,255"); |
| |
| var tex = gl.createTexture(); |
| gl.bindTexture(gl.TEXTURE_2D, tex); |
| gl.texImage2D( |
| gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, |
| new Uint8Array([128, 128, 128, 192])); |
| |
| gl.disable(gl.DEPTH_TEST); |
| gl.disable(gl.BLEND); |
| gl.colorMask(true, true, true, true); |
| gl.drawArrays(gl.TRIANGLES, 0, 6); |
| wtu.checkCanvas(gl, [128,128,128,192], "should be 128,128,128,192"); |
| |
| gl.colorMask(false, false, false, true); |
| gl.clearColor(1,1,1,1); |
| gl.clear(gl.COLOR_BUFFER_BIT); |
| wtu.checkCanvas(gl, [128,128,128,255], "should be 128,128,128,255"); |
| |
| // TODO: Test depth and stencil clearing. |
| |
| debug(""); |
| var successfullyParsed = true; |
| </script> |
| <script src="../../js/js-test-post.js"></script> |
| </body> |
| </html> |
| |
